loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.290.2.7.2.1: download - view: text, annotated - select for diffs
Tue Mar 6 21:24:01 2012 UTC (12 years, 4 months ago) by raeburn
Branches: loncapaMITrelate_1
Diff to branchpoint 1.290.2.7: preferred, unified

- Customization for MITrelate.
  - Backport 1.336.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.290.2.7.2.1 2012/03/06 21:24:01 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: my $target=''; 285: unless ($env{'browser.interface'} eq 'textual' || 286: $env{'environment.remote'} eq 'off' ) { 287: $target='target="LONcom"'; 288: } 289: 290: my $now = time; 291: $discinfo{$visitkey} = $visit; 292: 293: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 294: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 295: 296: my $discussion=''; 297: my $manifestfile; 298: my $manifestok=0; 299: my $tempexport; 300: my $imsresources; 301: my $copyresult; 302: 303: my $function = &Apache::loncommon::get_users_function(); 304: my $color = &Apache::loncommon::designparm($function.'.tabbg', 305: $env{'user.domain'}); 306: my %lt = &Apache::lonlocal::texthash( 307: 'cuse' => 'Current discussion settings', 308: 'allposts' => 'All posts', 309: 'unread' => 'New posts only', 310: 'unmark' => 'Unread only', 311: 'ondisp' => 'Once displayed', 312: 'onmark' => 'Once marked not NEW', 313: 'toggoff' => 'Off', 314: 'toggon' => 'On', 315: 'disa' => 'Posts to be displayed', 316: 'npce' => 'Posts cease to be marked "NEW"', 317: 'epcb' => 'Each post can be toggled read/unread', 318: 'chgt' => 'Change', 319: 'disp' => 'Display', 320: 'nolo' => 'Not new', 321: 'togg' => 'Toggle read/unread', 322: 'aner' => 'An error occurred opening the manifest file.', 323: 'difo' => 'Discussion for', 324: 'aerr' => 'An error occurred opening the export file for posting', 325: 'aysu' => 'Are you sure you want to delete this post?', 326: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 327: 'bwco' => 'but will continue to be visible to your instructor', 328: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 329: 'discussions' => 'DISCUSSIONS' 330: ); 331: 332: my $currdisp = $lt{'allposts'}; 333: my $currmark = $lt{'onmark'}; 334: my $currtogg = $lt{'toggoff'}; 335: my $dispchange = $lt{'unread'}; 336: my $markchange = $lt{'ondisp'}; 337: my $toggchange = $lt{'toggon'}; 338: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 339: my $displinkA = 'onlyunread'; 340: my $displinkB = 'onlyunmark'; 341: my $marklink = 'markondisp'; 342: my $togglink = 'toggon'; 343: 344: if ($markondisp) { 345: $currmark = $lt{'ondisp'}; 346: $markchange = $lt{'onmark'}; 347: $marklink = 'markonread'; 348: } 349: 350: if ($showonlyunread) { 351: $currdisp = $lt{'unread'}; 352: $dispchange = $lt{'allposts'}; 353: $displinkA = 'allposts'; 354: } 355: 356: if ($showunmark) { 357: $currdisp = $lt{'unmark'}; 358: $dispchange = $lt{'unmark'}; 359: $displinkA='allposts'; 360: $displinkB='onlyunread'; 361: $showonlyunread = 0; 362: } 363: 364: if ($dischash{$toggkey}) { 365: $currtogg = $lt{'toggon'}; 366: $toggchange = $lt{'toggoff'}; 367: $togglink = 'toggoff'; 368: } 369: 370: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 371: 372: if ($newpostsflag) { 373: $chglink .= '&previous='.$prevread; 374: } 375: $chglink.=&group_args($group); 376: 377: if ($visible) { 378: # Print the discusssion 379: if ($outputtarget eq 'tex') { 380: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 381: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 382: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 383: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 384: } elsif ($outputtarget eq 'export') { 385: # Create temporary directory if this is an export 386: my $now = time; 387: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 388: $tempexport = $$imsextras{'tempexport'}; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: $tempexport .= '/'.$$imsextras{'count'}; 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: } else { 397: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 398: if (!-e $tempexport) { 399: mkdir($tempexport,0700); 400: } 401: $tempexport .= '/'.$now; 402: if (!-e $tempexport) { 403: mkdir($tempexport,0700); 404: } 405: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 406: } 407: if (!-e $tempexport) { 408: mkdir($tempexport,0700); 409: } 410: # open manifest file 411: my $manifest = '/imsmanifest.xml'; 412: my $manifestfilename = $tempexport.$manifest; 413: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 414: $manifestok=1; 415: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 416: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 417: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 418: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 419: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 420: <organizations default="$ressymb"> 421: <organization identifier="$ressymb"> 422: <title>$lt{'difo'} $ressymb</title>\n|; 423: } else { 424: $discussion .= $lt{'aner'}.'<br />'; 425: } 426: } else { 427: my $colspan=$maxdepth+1; 428: #JW 429: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 430: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 431: var symbparm = symb+':::'+idx 432: var prevparm = "" 433: if (newflag == 1) { 434: prevparm = "&previous="+previous 435: } 436: if (caller == 'studentdelete') { 437: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 438: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 439: } 440: } else { 441: if (caller == 'seeiddelete') { 442: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 443: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 444: } 445: } 446: } 447: } 448: |); 449: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 450: "\n".'<table class="LC_discussion">'; 451: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 452: $newpostsflag,$group, 453: $prevread,$markondisp); 454: my $escsymb=&escape($ressymb); 455: my $numhidden = keys(%notshown); 456: if ($numhidden > 0) { 457: my $colspan = $maxdepth+1; 458: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 459: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 460: if ($newpostsflag) { 461: $discussion .= '&previous='.$prevread; 462: } 463: $discussion .= &group_args($group); 464: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 465: $numhidden.' '; 466: if ($showunmark) { 467: $discussion .= &mt('posts previously marked read'); 468: } else { 469: $discussion .= &mt('previously viewed posts'); 470: } 471: $discussion .= '<br/></td></tr>'; 472: } 473: } 474: 475: # Choose sort mechanism 476: my @showposts = (); 477: if ($sortposts eq 'descdate') { 478: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 479: } elsif ($sortposts eq 'thread') { 480: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 481: } elsif ($sortposts eq 'subject') { 482: foreach my $key (sort(keys(%subjectsort))) { 483: push(@showposts, @{$subjectsort{$key}}); 484: } 485: } elsif ($sortposts eq 'username') { 486: foreach my $domain (sort(keys(%usernamesort))) { 487: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 488: push(@showposts, @{$usernamesort{$domain}{$key}}); 489: } 490: } 491: } elsif ($sortposts eq 'lastfirst') { 492: foreach my $last (sort(keys(%namesort))) { 493: foreach my $key (sort(keys(%{$namesort{$last}}))) { 494: push(@showposts, @{$namesort{$last}{$key}}); 495: } 496: } 497: } else { 498: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 499: } 500: my $currdepth = 0; 501: my $firstidx = $alldiscussion{$showposts[0]}; 502: foreach my $post (@showposts) { 503: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 504: $alldiscussion{$post} = $post; 505: } 506: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 507: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 508: $discussion.="\n<tr>"; 509: } 510: my $thisdepth=$depth[$alldiscussion{$post}]; 511: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 512: for (1..$thisdepth) { 513: $discussion.='<td>   </td>'; 514: } 515: } 516: my $colspan=$maxdepth-$thisdepth+1; 517: if ($outputtarget eq 'tex') { 518: #cleanup block 519: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 520: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 521: my $threadinsert=''; 522: if ($thisdepth > 0) { 523: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 524: } 525: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 526: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 527: 528: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 529: $discussion.=$discussionitems[$alldiscussion{$post}]; 530: } elsif ($outputtarget eq 'export') { 531: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 532: if ($manifestok) { 533: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 534: print $manifestfile ' </item>'."\n"; 535: } 536: $currdepth = $depth[$alldiscussion{$post}]; 537: print $manifestfile "\n". 538: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 539: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 540: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 541: $imsresources .= "\n". 542: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 543: '<file href="'.$postfilename.'">'."\n". 544: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 545: '</resource>'; 546: } 547: my $postingfile; 548: my $postingfilename = $tempexport.'/'.$postfilename; 549: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 550: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 551: $imsitems{$alldiscussion{$post}}{'title'}.' '. 552: $imsitems{$alldiscussion{$post}}{'sender'}. 553: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 554: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 555: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 556: close($postingfile); 557: } else { 558: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 559: } 560: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 561: } else { 562: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 563: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 564: '</td></tr>'; 565: } 566: } 567: } 568: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 569: my $colspan=$maxdepth+1; 570: $discussion .= <<END; 571: <tr bgcolor="#FFFFFF"> 572: <td colspan="$colspan" class="LC_disc_action_links_bar"> 573: <table class="LC_disc_action_table"> 574: <tr> 575: <td align="left"> 576: <table border="0" cellpadding="0" cellspacing="4"> 577: <tr> 578: <td> 579: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 580: <td> </td> 581: <td><font size="-1"> 582: END 583: if ($newpostsflag) { 584: $discussion .= 585: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 586: if ($dischash{$toggkey}) { 587: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 588: } 589: } else { 590: if ($dischash{$toggkey}) { 591: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 592: } else { 593: $discussion .= 594: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 595: } 596: } 597: $discussion .= <<END; 598: </font></td> 599: <td> </td> 600: <td align="left"> 601: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 602: </td> 603: </tr> 604: </table> 605: </td> 606: END 607: if ($sortposts) { 608: my %sort_types = (); 609: my %role_types = (); 610: my %status_types = (); 611: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 612: 613: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 614: if (defined($env{'form.totposters'})) { 615: $discussion .= &mt('Posts by').':'; 616: if ($totposters > 0) { 617: foreach my $poster (@posters) { 618: $discussion .= ' '.$poster.','; 619: } 620: $discussion =~ s/,$//; 621: } else { 622: $discussion .= &mt('None selected'); 623: } 624: } else { 625: my $filterchoice =''; 626: if (@sectionpick > 0) { 627: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 628: $filterchoice .= '    '; 629: } 630: if (@grouppick > 0) { 631: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 632: $filterchoice .= '    '; 633: } 634: if (@rolefilter > 0) { 635: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 636: foreach my $role (@rolefilter) { 637: $filterchoice .= ' '.$role_types{$role}.','; 638: } 639: $filterchoice =~ s/,$//; 640: $filterchoice .= '<br />'.(' ' x8); 641: } 642: if ($statusfilter) { 643: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 644: } 645: if ($filterchoice) { 646: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 647: } 648: $discussion .= '</font></td>'; 649: } 650: } 651: if ($dischash{$toggkey}) { 652: my $storebutton = &mt('Save read/unread changes'); 653: $discussion.='<td align="right">'. 654: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 655: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 656: ' onclick="this.form.submit();" />'."\n". 657: '</td>'; 658: } 659: $discussion .= (<<END); 660: </tr> 661: </table> 662: </td> 663: </tr> 664: END 665: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 666: $newpostsflag,$group, 667: $prevread,$markondisp); 668: $discussion .= " 669: </table> 670: <br /><br /></form>\n"; 671: } 672: if ($outputtarget eq 'export') { 673: if ($manifestok) { 674: while ($currdepth > 0) { 675: print $manifestfile " </item>\n"; 676: $currdepth --; 677: } 678: print $manifestfile qq| 679: </organization> 680: </organizations> 681: <resources> 682: $imsresources 683: </resources> 684: </manifest> 685: |; 686: close($manifestfile); 687: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 688: $discussion = $copyresult; 689: } else { 690: 691: #Create zip file in prtspool 692: 693: my $imszipfile = '/prtspool/'. 694: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 695: time.'_'.rand(1000000000).'.zip'; 696: my $cwd = &getcwd(); 697: my $imszip = '/home/httpd/'.$imszipfile; 698: chdir $tempexport; 699: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 700: close(OUTPUT); 701: chdir $cwd; 702: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 703: if ($copyresult) { 704: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 705: } 706: } 707: } else { 708: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />'; 709: } 710: return $discussion; 711: } 712: } 713: if ($discussiononly) { 714: my $now = time; 715: my $attachnum = 0; 716: my $currnewattach = []; 717: my $currdelold = []; 718: my $comment = ''; 719: my $subject = ''; 720: if ($env{'form.origpage'}) { 721: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 722: $subject = &unescape($env{'form.subject'}); 723: $comment = &unescape($env{'form.comment'}); 724: my @keepold = (); 725: &process_attachments($currnewattach,$currdelold,\@keepold); 726: if (@{$currnewattach} > 0) { 727: $attachnum += @{$currnewattach}; 728: } 729: } 730: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 731: if (($group ne '') && ($mode eq 'board')) { 732: if ((&check_group_priv($group,'pgd') eq 'ok') && 733: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 734: $discussion .= 735: &postingform_display($mode,$ressymb,$now,$subject, 736: $comment,$outputtarget,$attachnum, 737: $currnewattach,$currdelold, 738: $group,$crstype); 739: } 740: } else { 741: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 742: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 743: 744: $discussion.= 745: &postingform_display($mode,$ressymb,$now,$subject, 746: $comment,$outputtarget,$attachnum, 747: $currnewattach,$currdelold,'',$crstype); 748: } else { 749: $discussion.= '<span class="LC_feedback_link">'. 750: &mt('This discussion is closed.').'</span>'; 751: } 752: } 753: } 754: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 755: $discussion.= '<span class="LC_feedback_link">'. 756: &mt('This discussion is closed.').'</span>'; 757: } 758: } elsif ($outputtarget ne 'tex') { 759: $discussion.='<div class="LC_feedback_link">'; 760: if (&discussion_open($status) && 761: &Apache::lonnet::allowed('pch', 762: $env{'request.course.id'}. 763: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 764: $discussion.= &send_feedback_link($ressymb,$target); 765: if ($env{'request.role.adv'}) { 766: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 767: if (defined($close) && $close ne '' && $close < time) { 768: $discussion .= ' '.&mt('(Closed for [_1] roles)', 769: &Apache::lonnet::plaintext('st',$crstype)); 770: } 771: } 772: } else { 773: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 774: } 775: $discussion.= &send_message_link($ressymb).'</div>'; 776: } 777: return $discussion; 778: } 779: 780: sub send_feedback_link { 781: my ($ressymb,$target) = @_; 782: my $output = '<span class="LC_feedback_link">'. 783: ' <a href="/adm/feedback?replydisc='. 784: &escape($ressymb).':::" '.$target.'>'. 785: '<img alt="" class="LC_noBorder" src="'. 786: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 787: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 788: return $output; 789: } 790: 791: sub send_message_link { 792: my ($ressymb) = @_; 793: my $output = '<span class="LC_message_link">'. 794: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 795: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 796: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 797: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 798: return $output; 799: } 800: 801: sub action_links_bar { 802: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 803: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 804: '<table width="100%" class="LC_disc_action_table"><tr>'. 805: '<td class="LC_disc_action_left">'; 806: my $escsymb=&escape($ressymb); 807: if ($visible) { 808: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 809: if ($newpostsflag) { 810: $discussion .= '&previous='.$prevread; 811: } 812: $discussion .= &group_args($group); 813: $discussion .='">'.&mt('Threaded View').'</a>  '. 814: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 815: if ($newpostsflag) { 816: $discussion .= '&previous='.$prevread; 817: } 818: $discussion .= &group_args($group); 819: $discussion .='">'.&mt('Chronological View').'</a>   820: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 821: if ($newpostsflag) { 822: $discussion .= '&previous='.$prevread; 823: } 824: $discussion .= &group_args($group); 825: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 826: } 827: $discussion .='<a href="/adm/feedback?export='.$escsymb; 828: if ($newpostsflag) { 829: $discussion .= '&previous='.$prevread; 830: } 831: $discussion .= &group_args($group); 832: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 833: if ($newpostsflag) { 834: if (!$markondisp) { 835: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 836: $discussion .= &group_args($group); 837: $discussion .= '">'. 838: &mt('Preferences on what is marked as NEW'). 839: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 840: $discussion .= &group_args($group); 841: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 842: } else { 843: $discussion .= '<td> </td>'; 844: } 845: } else { 846: $discussion .= '<td> </td>'; 847: } 848: $discussion .= '</tr></table></td></tr>'; 849: return $discussion; 850: } 851: 852: sub postingform_display { 853: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 854: $currnewattach,$currdelold,$group,$crstype) = @_; 855: my $newattachmsg; 856: my %lt = &Apache::lonlocal::texthash( 857: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 858: 'title' => 'Title', 859: 'podi' => 'Post Discussion', 860: 'poan' => 'Post Anonymous Discussion', 861: 'newa' => 'New attachments', 862: ); 863: if ($crstype eq 'Community') { 864: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 865: } 866: my ($postingform,$textareaclass); 867: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 868: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 869: $textareaclass = 'class="LC_richDefaultOff"'; 870: if ($env{'request.course.id'}) { 871: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 872: undef($textareaclass); 873: } 874: } 875: } 876: $postingform .= (<<ENDDISCUSS); 877: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 878: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 879: <input type="hidden" name="sendit" value="true" /> 880: <input type="hidden" name="timestamp" value="$now" /> 881: <br /><a name="newpost"></a> 882: <font size="1">$lt{'note'}</font><br /> 883: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 884: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 885: ENDDISCUSS 886: if ($env{'form.origpage'}) { 887: $postingform .= '<input type="hidden" name="origpage" value="'. 888: $env{'form.origpage'}.'" />'."\n"; 889: foreach my $att (@{$currnewattach}) { 890: $postingform .= '<input type="hidden" name="currnewattach" '. 891: 'value="'.$att.'" />'."\n"; 892: } 893: } 894: if (exists($env{'form.ref'})) { 895: $postingform .= '<input type="hidden" name="ref" value="'. 896: $env{'form.ref'}.'" />'; 897: } 898: if ($group ne '') { 899: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 900: } 901: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 902: if (!$blockblog) { 903: $postingform .= &add_blog_checkbox($crstype); 904: } 905: $postingform .= "</form>\n"; 906: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 907: $now,$currnewattach, 908: $currdelold,'',$mode, 909: $blockblog); 910: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 911: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 912: if (@{$currnewattach} > 1) { 913: $newattachmsg .= '<ol>'; 914: foreach my $item (@{$currnewattach}) { 915: $item =~ m#.*/([^/]+)$#; 916: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 917: } 918: $newattachmsg .= '</ol>'."\n"; 919: } else { 920: $$currnewattach[0] =~ m#.*/([^/]+)$#; 921: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 922: } 923: } 924: $postingform .= $newattachmsg; 925: $postingform .= &generate_preview_button(); 926: return $postingform; 927: } 928: 929: sub build_posting_display { 930: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 931: my @original=(); 932: my @index=(); 933: my $skip_group_check = 0; 934: my $symb=&Apache::lonenc::check_decrypt($ressymb); 935: my $escsymb=&escape($ressymb); 936: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 937: $env{'course.'.$env{'request.course.id'}.'.domain'}, 938: $env{'course.'.$env{'request.course.id'}.'.num'}); 939: 940: my $see_anonymous = 941: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 942: 943: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 944: $skip_group_check = 1; 945: } 946: my (%deletions,%hiddens); 947: if ($contrib{'deleted'}) { 948: my $deleted = $contrib{'deleted'}; 949: $deleted =~ s/^\.//; 950: $deleted =~ s/\.$//; 951: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 952: } 953: if ($contrib{'hidden'}) { 954: my $hidden = $contrib{'hidden'}; 955: $hidden =~ s/^\.//; 956: $hidden =~ s/\.$//; 957: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 958: } 959: if ($contrib{'version'}) { 960: my $oldest = $contrib{'1:timestamp'}; 961: if ($prevread eq '0') { 962: $prevread = $oldest-1; 963: } 964: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 965: if ($sortposts) { 966: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 967: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 968: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 969: } 970: for (my $id=1;$id<=$contrib{'version'};$id++) { 971: my $idx=$id; 972: next if ($contrib{$idx.':deleted'}); 973: next if ($contrib{$idx.':hidden'}); 974: my $posttime = $contrib{$idx.':timestamp'}; 975: if ($prevread <= $posttime) { 976: $$newpostsflag = 1; 977: } 978: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 979: my $origindex='0.'; 980: my $numoldver=0; 981: if ($contrib{$idx.':replyto'}) { 982: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 983: # this is a follow-up message 984: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 985: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 986: $origindex=$index[$contrib{$idx.':replyto'}]; 987: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 988: } else { 989: $original[$idx]=0; 990: $$depth[$idx]=0; 991: } 992: } else { 993: # this is an original message 994: $original[$idx]=0; 995: $$depth[$idx]=0; 996: } 997: if ($$replies[$$depth[$idx]]) { 998: $$replies[$$depth[$idx]]++; 999: } else { 1000: $$replies[$$depth[$idx]]=1; 1001: } 1002: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1003: $$visible++; 1004: if ($contrib{$idx.':history'}) { 1005: if ($contrib{$idx.':history'} =~ /:/) { 1006: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1007: $numoldver = @oldversions; 1008: } else { 1009: $numoldver = 1; 1010: } 1011: } 1012: $$current = $numoldver; 1013: my %messages = (); 1014: my %subjects = (); 1015: my %attachtxt = (); 1016: my %allattachments = (); 1017: my ($screenname,$plainname,$showaboutme); 1018: my $sender = &mt('Anonymous'); 1019: # Anonymous users getting number within a discussion 1020: # Since idx is in static order, this should give the same sequence every time. 1021: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1022: unless ($$anonhash{$key}) { 1023: $anoncnt++; 1024: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1025: } 1026: my ($message,$subject,$vgrlink,$ctlink); 1027: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,\$showaboutme,$numoldver); 1028: 1029: 1030: # Set up for sorting by subject 1031: unless ($outputtarget eq 'export') { 1032: $message=$messages{$numoldver}; 1033: $message.=$attachtxt{$numoldver}; 1034: $subject=$subjects{$numoldver}; 1035: if ($message) { 1036: if ($hiddens{$idx}) { 1037: $message='<font color="#888888">'.$message.'</font>'; 1038: if ($studenthidden) { 1039: $message .='<br /><br />Deleted by poster (student).'; 1040: } 1041: } 1042: 1043: if ($subject eq '') { 1044: if (defined($$subjectsort{'__No subject'})) { 1045: push(@{$$subjectsort{'__No subject'}}, $idx); 1046: } else { 1047: @{$$subjectsort{'__No subject'}} = ("$idx"); 1048: } 1049: } else { 1050: if (defined($$subjectsort{$subject})) { 1051: push(@{$$subjectsort{$subject}}, $idx); 1052: } else { 1053: @{$$subjectsort{$subject}} = ("$idx"); 1054: } 1055: } 1056: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1057: if ($showaboutme) { 1058: $sender = &Apache::loncommon::aboutmewrapper( 1059: $plainname, 1060: $contrib{$idx.':sendername'}, 1061: $contrib{$idx.':senderdomain'}); 1062: } else { 1063: $sender = $plainname; 1064: } 1065: if ($see_anonymous) { 1066: $sender .= ' ('.$contrib{$idx.':sendername'}.':'. 1067: $contrib{$idx.':senderdomain'}.')'; 1068: } 1069: $sender = '<b>'.$sender.'</b>'; 1070: if ($contrib{$idx.':anonymous'}) { 1071: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1072: $screenname; 1073: } 1074: if ($see_anonymous) { 1075: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1076: } 1077: # Set up for sorting by domain, then username 1078: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1079: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1080: } 1081: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1082: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1083: } else { 1084: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1085: } 1086: # Set up for sorting by last name, then first name 1087: my %names = &Apache::lonnet::get('environment', 1088: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1089: ,$contrib{$idx.':sendername'}); 1090: my $lastname = $names{'lastname'}; 1091: my $firstname = $names{'firstname'}; 1092: if ($lastname eq '') { 1093: $lastname = '_'; 1094: } 1095: if ($firstname eq '') { 1096: $firstname = '_'; 1097: } 1098: unless (defined($$namesort{$lastname})) { 1099: %{$$namesort{$lastname}} = (); 1100: } 1101: if (defined($$namesort{$lastname}{$firstname})) { 1102: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1103: } else { 1104: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1105: } 1106: if ($outputtarget ne 'tex') { 1107: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1108: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1109: $sender.=' <a href="/adm/feedback?editdisc='. 1110: $escsymb.':::'.$idx; 1111: if ($$newpostsflag) { 1112: $sender .= '&previous='.$prevread; 1113: } 1114: $sender .= &group_args($group); 1115: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1116: 1117: unless ($seeid) { 1118: my $grpargs = &group_args($group); 1119: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1120: $sender .= '">'.&mt('Delete').'</a>'; 1121: } 1122: } 1123: } 1124: if ($seeid) { 1125: if ($hiddens{$idx}) { 1126: unless ($studenthidden) { 1127: $sender.=' <a href="/adm/feedback?unhide='. 1128: $escsymb.':::'.$idx; 1129: if ($$newpostsflag) { 1130: $sender .= '&previous='.$prevread; 1131: } 1132: $sender .= '">'.&mt('Make Visible').'</a>'; 1133: } 1134: } else { 1135: $sender.=' <a href="/adm/feedback?hide='. 1136: $escsymb.':::'.$idx; 1137: if ($$newpostsflag) { 1138: $sender .= '&previous='.$prevread; 1139: } 1140: $sender .= &group_args($group); 1141: $sender .= '">'.&mt('Hide').'</a>'; 1142: } 1143: my $grpargs = &group_args($group); 1144: $sender.= 1145: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1146: $sender .= &mt('Delete').'</a>'; 1147: } 1148: } 1149: } else { 1150: if ($screenname) { 1151: $sender='<i>'.$screenname.'</i>'; 1152: } else { 1153: $sender='<i>'.$$anonhash{$key}.'</i>'; 1154: } 1155: $sender = '<b>'.$sender.'</b>'; 1156: # Set up for sorting by domain, then username for anonymous 1157: unless (defined($$usernamesort{'__anon'})) { 1158: %{$$usernamesort{'__anon'}} = (); 1159: } 1160: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1161: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1162: } else { 1163: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1164: } 1165: # Set up for sorting by last name, then first name for anonymous 1166: unless (defined($$namesort{'__anon'})) { 1167: %{$$namesort{'__anon'}} = (); 1168: } 1169: if (defined($$namesort{'__anon'}{'__anon'})) { 1170: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1171: } else { 1172: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1173: } 1174: } 1175: if ($outputtarget ne 'tex') { 1176: if (&discussion_open($status)) { 1177: if (($group ne '') && 1178: (&check_group_priv($group,'pgd') eq 'ok')) { 1179: $sender.=' <a href="/adm/feedback?replydisc='. 1180: $escsymb.':::'.$idx; 1181: if ($$newpostsflag) { 1182: $sender .= '&previous='.$prevread; 1183: } 1184: $sender .= &group_args($group); 1185: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1186: } elsif (&Apache::lonnet::allowed('pch', 1187: $env{'request.course.id'}. 1188: ($env{'request.course.sec'}?'/'. 1189: $env{'request.course.sec'}:''))) { 1190: $sender.=' <a href="/adm/feedback?replydisc='. 1191: $escsymb.':::'.$idx; 1192: if ($$newpostsflag) { 1193: $sender .= '&previous='.$prevread; 1194: } 1195: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1196: } 1197: } 1198: if ($viewgrades) { 1199: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1200: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1201: } 1202: if ($$dischash{$readkey}=~/\.$idx\./) { 1203: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1204: } else { 1205: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1206: } 1207: } 1208: } 1209: #figure out at what position this needs to print 1210: } 1211: if ($outputtarget eq 'export' || $message) { 1212: my $thisindex=$idx; 1213: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1214: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1215: } 1216: $$alldiscussion{$thisindex}=$idx; 1217: $$shown{$idx} = 0; 1218: $index[$idx]=$thisindex; 1219: } 1220: if ($outputtarget eq 'export') { 1221: %{$$imsitems{$idx}} = (); 1222: $$imsitems{$idx}{'isvisible'}='true'; 1223: if ($hiddens{$idx}) { 1224: $$imsitems{$idx}{'isvisible'}='false'; 1225: } 1226: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1227: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1228: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1229: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1230: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1231: $contrib{$idx.':sendername'}.':'. 1232: $contrib{$idx.':senderdomain'}.')'; 1233: $$imsitems{$idx}{'isanonymous'}='false'; 1234: if ($contrib{$idx.':anonymous'}) { 1235: $$imsitems{$idx}{'isanonymous'}='true'; 1236: } 1237: $$imsitems{$idx}{'currversion'}=$numoldver; 1238: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1239: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1240: $$shown{$idx} = 1; 1241: } 1242: } else { 1243: if ($message) { 1244: my $spansize = 2; 1245: if ($showonlyunread && $prevread > $posttime) { 1246: $$notshown{$idx} = 1; 1247: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1248: $$notshown{$idx} = 1; 1249: } else { 1250: # apply filters 1251: my $uname = $contrib{$idx.':sendername'}; 1252: my $udom = $contrib{$idx.':senderdomain'}; 1253: my $poster = $uname.':'.$udom; 1254: if ($env{'form.totposters'} ne '') { 1255: if ($totposters == 0) { 1256: $$shown{$idx} = 0; 1257: } elsif ($totposters > 0) { 1258: if (grep/^$poster$/,@{$posters}) { 1259: $$shown{$idx} = 1; 1260: } 1261: } 1262: } elsif ($sortposts) { 1263: if ($skiptest) { 1264: $$shown{$idx} = 1; 1265: } else { 1266: foreach my $role (@{$$roleinfo{$poster}}) { 1267: if ($role =~ /^cc:/) { 1268: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1269: if ($role =~ /$cc_regexp/) { 1270: $$shown{$idx} = 1; 1271: last; 1272: } 1273: } elsif ($role =~ /^$rolematch$/) { 1274: $$shown{$idx} = 1; 1275: last; 1276: } 1277: } 1278: } 1279: if ($$shown{$idx} && !$skip_group_check) { 1280: my $showflag = 0; 1281: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1282: foreach my $grp (@{$grouppick}) { 1283: if (grep/^\Q$grp\E$/, 1284: keys(%{$$classgroups{$poster}{active}})) { 1285: $showflag = 1; 1286: last; 1287: } 1288: } 1289: } 1290: if ($showflag) { 1291: $$shown{$idx} = 1; 1292: } else { 1293: $$shown{$idx} = 0; 1294: } 1295: } 1296: } else { 1297: $$shown{$idx} = 1; 1298: } 1299: } 1300: unless ($$notshown{$idx} == 1) { 1301: if ($prevread > 0 && $prevread <= $posttime) { 1302: $$newitem{$idx} = 1; 1303: $$discussionitems[$idx] .= ' 1304: <table border="0" width="100%"> 1305: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>'; 1306: } else { 1307: $$newitem{$idx} = 0; 1308: $$discussionitems[$idx] .= ' 1309: <table border="0" width="100%"> 1310: <tr><td align="left"> </td>'; 1311: } 1312: $$discussionitems[$idx] .= '<td align="left">  '. 1313: '<b>'.$subject.'</b>  '. 1314: $sender.' '.$vgrlink.' ('. 1315: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1316: if ($$dischash{$toggkey}) { 1317: $$discussionitems[$idx].='<td align="right">  '. 1318: $ctlink.'</td>'; 1319: } 1320: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1321: $message.'</blockquote>'; 1322: if ($contrib{$idx.':history'}) { 1323: my @postversions = (); 1324: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1325: if ($seeid) { 1326: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1327: $$discussionitems[$idx] .= &group_args($group); 1328: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1329: } 1330: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1331: if ($contrib{$idx.':history'} =~ m/:/) { 1332: @postversions = split(/:/,$contrib{$idx.':history'}); 1333: } else { 1334: @postversions = ("$contrib{$idx.':history'}"); 1335: } 1336: for (my $i=0; $i<@postversions; $i++) { 1337: my $version = $i+1; 1338: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1339: } 1340: } 1341: } 1342: } 1343: } 1344: } 1345: } 1346: } 1347: } 1348: 1349: sub filter_regexp { 1350: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1351: my ($roleregexp,$secregexp,$statusregexp); 1352: my $skiptest = 1; 1353: if (@{$rolefilter} > 0) { 1354: my @okrolefilter = (); 1355: foreach my $role (@{$rolefilter}) { 1356: unless ($role eq '') { 1357: push(@okrolefilter, $role); 1358: } 1359: } 1360: if (@okrolefilter > 0) { 1361: if (grep/^all$/,@okrolefilter) { 1362: $roleregexp='[^:]+'; 1363: } else { 1364: if (@okrolefilter == 1) { 1365: $roleregexp=$okrolefilter[0]; 1366: } else { 1367: $roleregexp='('.join('|',@okrolefilter).')'; 1368: } 1369: $skiptest = 0; 1370: } 1371: } 1372: } 1373: if (@{$sectionpick} > 0) { 1374: my @oksectionpick = (); 1375: foreach my $sec (@{$sectionpick}) { 1376: unless ($sec eq '') { 1377: push(@oksectionpick, $sec); 1378: } 1379: } 1380: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1381: if (@oksectionpick == 1) { 1382: $secregexp = $oksectionpick[0]; 1383: } else { 1384: $secregexp .= '('.join('|',@oksectionpick).')'; 1385: } 1386: $skiptest = 0; 1387: } else { 1388: $secregexp .= '[^:]*'; 1389: } 1390: } 1391: 1392: if (defined($statusfilter) && $statusfilter ne '') { 1393: if ($statusfilter eq 'all') { 1394: $statusregexp = '[^:]+'; 1395: } else { 1396: $statusregexp = $statusfilter; 1397: $skiptest = 0; 1398: } 1399: } 1400: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1401: } 1402: 1403: 1404: sub get_post_contents { 1405: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_; 1406: my $discussion = ''; 1407: my $start=$numver; 1408: my $end=$numver + 1; 1409: %{$$imsfiles{$idx}}=(); 1410: if ($type eq 'allversions') { 1411: unless($seeid) { 1412: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1413: return $discussion; 1414: } 1415: } 1416: # $$screenname=&Apache::loncommon::screenname( 1417: # $$contrib{$idx.':sendername'}, 1418: # $$contrib{$idx.':senderdomain'}); 1419: $$plainname=&Apache::loncommon::nickname( 1420: $$contrib{$idx.':sendername'}, 1421: $$contrib{$idx.':senderdomain'}); 1422: $$screenname=$$contrib{$idx.':screenname'}; 1423: $$showaboutme = &Apache::lonnet::usertools_access($$contrib{$idx.':sendername'}, 1424: $$contrib{$idx.':senderdomain'}, 1425: 'aboutme'); 1426: my $sender = $$plainname; 1427: if ($$showaboutme) { 1428: $sender = &Apache::loncommon::aboutmewrapper( 1429: $$plainname, 1430: $$contrib{$idx.':sendername'}, 1431: $$contrib{$idx.':senderdomain'}); 1432: } 1433: if ($seeid) { 1434: $sender .= ' ('. $$contrib{$idx.':sendername'}.':'. 1435: $$contrib{$idx.':senderdomain'}.')'; 1436: } 1437: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1438: my @postversions = (); 1439: if ($type eq 'allversions' || $type eq 'export') { 1440: $start = 0; 1441: if ($$contrib{$idx.':history'}) { 1442: @postversions = split(/:/,$$contrib{$idx.':history'}); 1443: } 1444: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1445: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1446: push(@postversions,$$contrib{$idx.':timestamp'}); 1447: $end = @postversions; 1448: } else { 1449: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1450: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1451: } 1452: 1453: if ($$contrib{$idx.':anonymous'}) { 1454: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1455: } 1456: if ($type eq 'allversions') { 1457: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1458: } 1459: for (my $i=$start; $i<$end; $i++) { 1460: my ($timesent,$attachmsg); 1461: my %currattach = (); 1462: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1463: unless (&contains_block_html($messages->{$i})) { 1464: &newline_to_br(\$messages->{$i}); 1465: } 1466: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1467: $$subjects{$i}=~s/\n/\<br \/\>/g; 1468: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1469: if ($attachmenturls) { 1470: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1471: } 1472: if ($type eq 'export') { 1473: $$imsfiles{$idx}{$i} = ''; 1474: if ($attachmsg) { 1475: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1476: foreach my $key (sort(keys(%currattach))) { 1477: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1478: my $fname = $1.$3.'/'.$4; 1479: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1480: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1481: } 1482: } 1483: } 1484: } else { 1485: if ($attachmsg) { 1486: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1487: } else { 1488: $$attachtxt{$i} = ''; 1489: } 1490: } 1491: if ($type eq 'allversions') { 1492: $discussion.= <<"END"; 1493: <li><b>$$subjects{$i}</b>, $timesent<br /> 1494: $$messages{$i}<br /> 1495: $$attachtxt{$i}</li> 1496: END 1497: } 1498: } 1499: if ($type eq 'allversions') { 1500: $discussion.='</ul>'; 1501: return $discussion; 1502: } else { 1503: return; 1504: } 1505: } 1506: 1507: sub replicate_attachments { 1508: my ($attachrefs,$tempexport) = @_; 1509: my $response; 1510: foreach my $id (keys(%{$attachrefs})) { 1511: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1512: my $path = $tempexport; 1513: my $tail = $1.'/'.$2.$4; 1514: my @extras = split(/\//,$tail); 1515: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1516: if (!-e $destination) { 1517: my $i= 0; 1518: while ($i<@extras) { 1519: $path .= '/'.$extras[$i]; 1520: if (!-e $path) { 1521: mkdir($path,0700); 1522: } 1523: $i ++; 1524: } 1525: my ($content,$rtncode); 1526: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1527: if ($uploadreply eq 'ok') { 1528: my $attachcopy; 1529: if ($attachcopy = Apache::File->new('>'.$destination)) { 1530: print $attachcopy $content; 1531: close($attachcopy); 1532: } else { 1533: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1534: } 1535: } else { 1536: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1537: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1538: } 1539: } 1540: } 1541: } 1542: return $response; 1543: } 1544: 1545: sub mail_screen { 1546: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1547: if (exists($env{'form.origpage'})) { 1548: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1549: } 1550: 1551: my %lt = &Apache::lonlocal::texthash( 1552: 'myqu' => 'My question/comment/feedback:', 1553: 'title' => 'Title', 1554: 'reta' => 'Retained attachments', 1555: 'atta' => 'Attachment', 1556: ); 1557: my $restitle = &get_resource_title($caller_symb,$feedurl); 1558: my $quote=''; 1559: my $subject = ''; 1560: my $comment = ''; 1561: my $prevtag = ''; 1562: my $parentmsg = ''; 1563: my ($symb,$idx,$attachmenturls); 1564: my $numoldver = 0; 1565: my $attachmsg = ''; 1566: my $newattachmsg = ''; 1567: my @currnewattach = (); 1568: my @currdelold = (); 1569: my @keepold = (); 1570: my %attachments = (); 1571: my %currattach = (); 1572: my $attachnum = 0; 1573: my $anonchk = (<<END); 1574: function anonchk() { 1575: for (var i=0; i < document.mailform.discuss.length; i++) { 1576: if (document.mailform.discuss[i].checked) { 1577: document.attachment.discuss.value = 1578: document.mailform.discuss[i].value; 1579: } 1580: } 1581: if (document.mailform.blog.checked) { 1582: document.attachment.blog.value = 1; 1583: } 1584: return 1585: } 1586: END 1587: my $anonscript; 1588: if (exists($env{'form.origpage'})) { 1589: $anonscript = (<<END); 1590: function setposttype() { 1591: var disc = "$env{'form.discuss'}"; 1592: for (var i=0; i < document.mailform.discuss.length; i++) { 1593: if (disc == document.mailform.discuss[i].value) { 1594: document.mailform.discuss[i].checked = 1; 1595: } 1596: } 1597: var blog = "$env{'form.blog'}"; 1598: if (blog == 1) { 1599: document.mailform.blog.checked=1; 1600: } 1601: return 1602: } 1603: END 1604: } else { 1605: $anonscript = (<<END); 1606: function setposttype() { 1607: return 1608: } 1609: END 1610: } 1611: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1612: if ($env{'form.replydisc'}) { 1613: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1614: } else { 1615: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1616: } 1617: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1618: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1619: $env{'course.'.$env{'request.course.id'}.'.num'}); 1620: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1621: if ($contrib{$idx.':history'}) { 1622: if ($contrib{$idx.':history'} =~ /:/) { 1623: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1624: $numoldver = @oldversions; 1625: } else { 1626: $numoldver = 1; 1627: } 1628: } 1629: if ($env{'form.replydisc'}) { 1630: if ($contrib{$idx.':history'}) { 1631: if ($contrib{$idx.':history'} =~ /:/) { 1632: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1633: $numoldver = @oldversions; 1634: } else { 1635: $numoldver = 1; 1636: } 1637: } 1638: if ($idx > 0) { 1639: my %msgversions = (); 1640: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1641: $quote = $msgversions{$numoldver}; 1642: } 1643: if ($idx > 0) { 1644: my %subversions = (); 1645: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1646: $subject = &mt('Re: ').$subversions{$numoldver}; 1647: } 1648: $subject = &HTML::Entities::encode($subject,'<>&"'); 1649: } else { 1650: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1651: if ($idx > 0) { 1652: my %msgversions = (); 1653: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1654: $comment = $msgversions{$numoldver}; 1655: my %subversions = (); 1656: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1657: $subject = $subversions{$numoldver}; 1658: } 1659: if (defined($contrib{$idx.':replyto'})) { 1660: $parentmsg = $contrib{$idx.':replyto'}; 1661: } 1662: unless (exists($env{'form.origpage'})) { 1663: my $anonflag = 'nonanon'; 1664: if ($contrib{$idx.':anonymous'}) { 1665: $anonflag = 'anon'; 1666: } 1667: $anonscript = (<<END); 1668: function setposttype () { 1669: var currtype = "$anonflag"; 1670: for (var i=0; i<document.mailform.discuss.length; i++) { 1671: if (document.mailform.elements.discuss[i].value == currtype ) { 1672: document.mailform.elements.discuss[i].checked=1; 1673: } 1674: } 1675: return 1676: } 1677: END 1678: } 1679: } 1680: } 1681: if ($env{'form.previous'}) { 1682: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1683: } 1684: } 1685: 1686: if ($env{'form.origpage'}) { 1687: $subject = &unescape($env{'form.subject'}); 1688: $comment = &unescape($env{'form.comment'}); 1689: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1690: } 1691: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1692: my $send=&mt('Send'); 1693: my $alert = &mt('Please select a feedback type.'); 1694: my $js= <<END; 1695: <script type="text/javascript"> 1696: // 1730: </script> 1731: END 1732: 1733: my ($textareaheader,$textareaclass); 1734: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1735: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1736: $textareaclass = 'class="LC_richDefaultOff"'; 1737: if ($env{'request.course.id'}) { 1738: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1739: undef($textareaclass); 1740: } 1741: } 1742: } 1743: 1744: # Breadcrumbs 1745: my $brcrum = [{'href' => '', 1746: 'text' => 'Resource Feedback and Discussion'}]; 1747: 1748: my %onload = ('onload' => 'window.focus();setposttype();'); 1749: my $start_page= 1750: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1751: {'add_entries' => \%onload, 1752: 'bread_crumbs' => $brcrum,}); 1753: 1754: if ($quote ne '') { 1755: $quote = &HTML::Entities::decode($quote); 1756: unless (&contains_block_html($quote)) { 1757: &newline_to_br(\$quote); 1758: } 1759: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1760: } 1761: 1762: $r->print(<<END); 1763: $start_page 1764: <h2><tt>$restitle</tt></h2> 1765: <form action="/adm/feedback" method="post" name="mailform" 1766: enctype="multipart/form-data"> 1767: $prevtag 1768: <input type="hidden" name="postdata" value="$feedurl" /> 1769: END 1770: if ($env{'form.replydisc'}) { 1771: $r->print(<<END); 1772: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1773: END 1774: } elsif ($env{'form.editdisc'}) { 1775: $r->print(<<END); 1776: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1777: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1778: END 1779: } 1780: $r->print(<<END); 1781: $options<hr /> 1782: $quote 1783: <p>$lt{'myqu'} 1784: $textareaheader 1785: </p> 1786: <p> 1787: $latexHelp 1788: </p> 1789: <p> 1790: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1791: <p> 1792: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1793: </textarea></p> 1794: END 1795: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1796: if ($env{'form.origpage'}) { 1797: foreach my $attach (@currnewattach) { 1798: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1799: } 1800: foreach my $oldatt (@currdelold) { 1801: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1802: } 1803: } 1804: if ($env{'form.editdisc'}) { 1805: if ($attachmenturls) { 1806: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1807: $attachnum = scalar(keys(%currattach)); 1808: foreach my $key (keys(%currattach)) { 1809: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1810: } 1811: } 1812: } 1813: } else { 1814: $r->print(<<END); 1815: <p> 1816: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1817: </p> 1818: END 1819: } 1820: if (exists($env{'form.group'})) { 1821: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1822: } 1823: if (exists($env{'form.ref'})) { 1824: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1825: } 1826: $r->print(<<END); 1827: <p> 1828: <input type="hidden" name="sendit" value="1" /> 1829: <input type="button" value="$send" onclick='gosubmit();' /> 1830: </p> 1831: </form> 1832: END 1833: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1834: my $now = time; 1835: my $ressymb = $symb; 1836: &Apache::lonenc::check_encrypt(\$ressymb); 1837: my $postidx = ''; 1838: if ($env{'form.editdisc'}) { 1839: $postidx = $idx; 1840: } 1841: if (@currnewattach > 0) { 1842: $attachnum += @currnewattach; 1843: } 1844: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1845: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1846: if ($attachnum > 0) { 1847: if (@currnewattach > 0) { 1848: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1849: if (@currnewattach > 1) { 1850: $newattachmsg .= '<ol>'; 1851: foreach my $item (@currnewattach) { 1852: $item =~ m#.*/([^/]+)$#; 1853: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1854: } 1855: $newattachmsg .= '</ol>'."\n"; 1856: } else { 1857: $currnewattach[0] =~ m#.*/([^/]+)$#; 1858: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1859: } 1860: } 1861: if ($attachmsg) { 1862: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1863: } 1864: if ($newattachmsg) { 1865: $r->print("$newattachmsg<br />"); 1866: } 1867: } 1868: } 1869: $r->print(&generate_preview_button(). 1870: &Apache::loncommon::end_page()); 1871: 1872: } 1873: 1874: sub print_display_options { 1875: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1876: &Apache::loncommon::content_type($r,'text/html'); 1877: $r->send_http_header; 1878: 1879: my $function = &Apache::loncommon::get_users_function(); 1880: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1881: $env{'user.domain'}); 1882: 1883: my %lt = &Apache::lonlocal::texthash( 1884: 'pref' => 'Display Preference', 1885: 'curr' => 'Current setting ', 1886: 'actn' => 'Action', 1887: 'deff' => 'Default for all discussions', 1888: 'prca' => 'Preferences can be set for this discussion that determine ....', 1889: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1890: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1891: 'wipa' => 'Whether individual posts can be marked as read/unread', 1892: 'allposts' => 'All posts', 1893: 'unread' => 'New posts only', 1894: 'unmark' => 'Posts not marked read', 1895: 'ondisp' => 'Once displayed', 1896: 'onmark' => 'Once marked not NEW', 1897: 'toggon' => 'Shown', 1898: 'toggoff' => 'Not shown', 1899: 'disa' => 'Posts displayed?', 1900: 'npmr' => 'New posts cease to be identified as "NEW"?', 1901: 'dotm' => 'Option to mark each post as read/unread?', 1902: 'chgt' => 'Change to ', 1903: 'mkdf' => 'Set to ', 1904: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1905: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1906: ); 1907: 1908: my $dispchangeA = $lt{'unread'}; 1909: my $dispchangeB = $lt{'unmark'}; 1910: my $markchange = $lt{'ondisp'}; 1911: my $toggchange = $lt{'toggon'}; 1912: my $currdisp = $lt{'allposts'}; 1913: my $currmark = $lt{'onmark'}; 1914: my $discdisp = 'allposts'; 1915: my $discmark = 'onmark'; 1916: my $currtogg = $lt{'toggoff'}; 1917: my $disctogg = 'toggoff'; 1918: 1919: if ($dispchgA eq 'allposts') { 1920: $dispchangeA = $lt{'allposts'}; 1921: $currdisp = $lt{'unread'}; 1922: $discdisp = 'unread'; 1923: } 1924: 1925: if ($markchg eq 'markonread') { 1926: $markchange = $lt{'onmark'}; 1927: $currmark = $lt{'ondisp'}; 1928: $discmark = 'ondisp'; 1929: } 1930: 1931: if ($dispchgB eq 'onlyunread') { 1932: $dispchangeB = $lt{'unread'}; 1933: $currdisp = $lt{'unmark'}; 1934: $discdisp = 'unmark'; 1935: } 1936: if ($toggchg eq 'toggoff') { 1937: $toggchange = $lt{'toggoff'}; 1938: $currtogg = $lt{'toggon'}; 1939: $disctogg = 'toggon'; 1940: } 1941: 1942: my $js = <<END; 1943: <script type="text/javascript"> 1944: function discdispChk(caller) { 1945: var disctogg = '$toggchg' 1946: if (caller == 0) { 1947: if (document.modifydisp.discdisp[0].checked == true) { 1948: if (document.modifydisp.discdisp[1].checked == true) { 1949: document.modifydisp.discdisp[1].checked = false 1950: } 1951: } 1952: } 1953: if (caller == 1) { 1954: if (document.modifydisp.discdisp[1].checked == true) { 1955: if (document.modifydisp.discdisp[0].checked == true) { 1956: document.modifydisp.discdisp[0].checked = false 1957: } 1958: if (disctogg == 'toggon') { 1959: document.modifydisp.disctogg.checked = true 1960: } 1961: if (disctogg == 'toggoff') { 1962: document.modifydisp.disctogg.checked = false 1963: } 1964: } 1965: } 1966: if (caller == 2) { 1967: var dispchgB = '$dispchgB' 1968: if (disctogg == 'toggoff') { 1969: if (document.modifydisp.disctogg.checked == true) { 1970: if (dispchgB == 'onlyunmark') { 1971: document.modifydisp.discdisp[1].checked = false 1972: } 1973: } 1974: } 1975: } 1976: } 1977: 1978: function setDisp() { 1979: var prev = "$previous" 1980: var chktotal = 0 1981: if (document.modifydisp.discdisp[0].checked == true) { 1982: document.modifydisp.$dispchgA.value = "$symb" 1983: chktotal ++ 1984: } 1985: if (document.modifydisp.discdisp[1].checked == true) { 1986: document.modifydisp.$dispchgB.value = "$symb" 1987: chktotal ++ 1988: } 1989: if (document.modifydisp.discmark.checked == true) { 1990: document.modifydisp.$markchg.value = "$symb" 1991: chktotal ++ 1992: } 1993: if (document.modifydisp.disctogg.checked == true) { 1994: document.modifydisp.$toggchg.value = "$symb" 1995: chktotal ++ 1996: } 1997: if (chktotal > 0) { 1998: document.modifydisp.submit() 1999: } else { 2000: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2001: if (prev > 0) { 2002: location.href = "$feedurl?previous=$previous" 2003: } else { 2004: location.href = "$feedurl" 2005: } 2006: } 2007: } 2008: } 2009: </script> 2010: END 2011: 2012: 2013: my $start_page = 2014: &Apache::loncommon::start_page('Discussion display options',$js); 2015: my $end_page = 2016: &Apache::loncommon::end_page(); 2017: $r->print(<<END); 2018: $start_page 2019: <form name="modifydisp" method="post" action="/adm/feedback"> 2020: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2021: <br /> 2022: END 2023: $r->print(&Apache::loncommon::start_data_table()); 2024: $r->print(<<END); 2025: <tr> 2026: <th>$lt{'pref'}</td> 2027: <th>$lt{'curr'}</td> 2028: <th>$lt{'actn'}?</td> 2029: </tr> 2030: END 2031: $r->print(&Apache::loncommon::start_data_table_row()); 2032: $r->print(<<END); 2033: <td>$lt{'disa'}</td> 2034: <td>$lt{$discdisp}</td> 2035: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2036: <br /> 2037: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2038: </td> 2039: END 2040: $r->print(&Apache::loncommon::end_data_table_row()); 2041: $r->print(&Apache::loncommon::start_data_table_row()); 2042: $r->print(<<END); 2043: <td>$lt{'npmr'}</td> 2044: <td>$lt{$discmark}</td> 2045: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2046: END 2047: $r->print(&Apache::loncommon::end_data_table_row()); 2048: $r->print(&Apache::loncommon::start_data_table_row()); 2049: $r->print(<<END); 2050: <td>$lt{'dotm'}</td> 2051: <td>$lt{$disctogg}</td> 2052: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2053: END 2054: my $save = &mt('Save'); 2055: $r->print(&Apache::loncommon::end_data_table_row()); 2056: $r->print(&Apache::loncommon::end_data_table()); 2057: $r->print(<<END); 2058: <br /> 2059: <br /> 2060: <input type="hidden" name="symb" value="$symb" /> 2061: <input type="hidden" name="previous" value="$previous" /> 2062: <input type="hidden" name="$dispchgA" value="" /> 2063: <input type="hidden" name="$dispchgB" value="" /> 2064: <input type="hidden" name="$markchg" value="" /> 2065: <input type="hidden" name="$toggchg" value="" /> 2066: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2067: END 2068: if (exists($env{'form.group'})) { 2069: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2070: } 2071: if (exists($env{'form.ref'})) { 2072: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2073: } 2074: $r->print(" 2075: <br /> 2076: <br /> 2077: </form> 2078: $end_page 2079: "); 2080: return; 2081: } 2082: 2083: sub print_sortfilter_options { 2084: my ($r,$symb,$previous,$feedurl) = @_; 2085: 2086: &Apache::loncommon::content_type($r,'text/html'); 2087: $r->send_http_header; 2088: 2089: &Apache::lonenc::check_encrypt(\$symb); 2090: my @sections; 2091: my $section_sel = ''; 2092: my $numvisible = 5; 2093: my @groups; 2094: my $group_sel = ''; 2095: my $numgroupvis = 5; 2096: my %sectioncount = &Apache::loncommon::get_sections(); 2097: my @courseroles = qw(st ad ep ta in); 2098: my $crstype = &Apache::loncommon::course_type(); 2099: my $ccrole = 'cc'; 2100: if ($crstype eq 'Community') { 2101: $ccrole = 'co'; 2102: } 2103: push(@courseroles,$ccrole); 2104: 2105: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2106: @sections = ('all',$env{'request.course.sec'}); 2107: $numvisible = 2; 2108: } else { 2109: @sections = sort {$a cmp $b} keys(%sectioncount); 2110: if (scalar(@sections) < 4) { 2111: $numvisible = scalar(@sections) + 1; 2112: } 2113: unshift(@sections,'all'); # Put 'all' at the front of the list 2114: 2115: } 2116: foreach my $sec (@sections) { 2117: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2118: } 2119: 2120: if (&check_group_priv() eq 'ok') { 2121: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2122: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2123: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2124: @groups = sort {$a cmp $b} keys(%curr_groups); 2125: if (scalar(@groups) < 4) { 2126: $numgroupvis = scalar(@groups) + 1; 2127: } 2128: unshift(@groups,'all'); # Put 'all' at the front of the list 2129: } else { 2130: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2131: if (@coursegroups > 0) { 2132: @coursegroups = sort {$a cmp $b} @coursegroups; 2133: @groups = ('all',@coursegroups); 2134: if (scalar(@groups) < 4) { 2135: $numgroupvis = scalar(@groups) + 1; 2136: } 2137: } else { 2138: @groups = ('all'); 2139: $numgroupvis = 1; 2140: } 2141: } 2142: foreach my $group (@groups) { 2143: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2144: } 2145: 2146: my $function = &Apache::loncommon::get_users_function(); 2147: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2148: $env{'user.domain'}); 2149: my %lt = &Apache::lonlocal::texthash( 2150: 'diop' => 'Display Options', 2151: 'curr' => 'Current setting ', 2152: 'actn' => 'Action', 2153: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2154: 'soor' => 'Sort order', 2155: 'spur' => 'Specific user roles', 2156: 'sprs' => 'Specific role status', 2157: 'spse' => 'Specific sections', 2158: 'spgr' => 'Specific groups', 2159: 'psub' => 'Pick specific users (by name)', 2160: 'shal' => 'Show a list of current posters', 2161: 'stor' => 'Save changes', 2162: ); 2163: 2164: my %sort_types = (); 2165: my %role_types = (); 2166: my %status_types = (); 2167: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2168: 2169: my $js = <<END; 2170: <script type="text/javascript"> 2171: function verifyFilter() { 2172: var rolenum = 0 2173: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2174: if (document.modifyshown.rolefilter.options[i].selected == true) { 2175: rolenum ++ 2176: } 2177: } 2178: if (rolenum == 0) { 2179: document.modifyshown.rolefilter.options[0].selected = true 2180: } 2181: 2182: var secnum = 0 2183: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2184: if (document.modifyshown.sectionpick.options[i].selected == true) { 2185: secnum ++ 2186: } 2187: } 2188: if (secnum == 0) { 2189: document.modifyshown.sectionpick.options[0].selected = true 2190: } 2191: 2192: var grpnum = 0 2193: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2194: if (document.modifyshown.grouppick.options[i].selected == true) { 2195: grpnum ++ 2196: } 2197: } 2198: if (grpnum == 0) { 2199: document.modifyshown.grouppick.options[0].selected = true 2200: } 2201: 2202: document.modifyshown.submit(); 2203: } 2204: </script> 2205: END 2206: 2207: my $start_page= 2208: &Apache::loncommon::start_page('Discussion options',$js); 2209: my $end_page= 2210: &Apache::loncommon::end_page(); 2211: 2212: $r->print(<<END); 2213: $start_page 2214: <form name="modifyshown" method="post" action="/adm/feedback"> 2215: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2216: <br /><br /> 2217: <table border="0"> 2218: <tr> 2219: <th>$lt{'soor'}</th> 2220: <th> </th> 2221: <th>$lt{'sprs'}</th> 2222: <th> </th> 2223: <th>$lt{'spur'}</th> 2224: <th> </th> 2225: <th>$lt{'spse'}</th> 2226: <th> </th> 2227: <th>$lt{'spgr'}</th> 2228: <th> </th> 2229: <th>$lt{'psub'}</th> 2230: </tr> 2231: <tr> 2232: <td align="center" valign="top"> 2233: <select name="sortposts"> 2234: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2235: <option value="descdate">$sort_types{'descdate'}</option> 2236: <option value="thread">$sort_types{'thread'}</option> 2237: <option value="subject">$sort_types{'subject'}</option> 2238: <option value="username">$sort_types{'username'}</option> 2239: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2240: </select> 2241: </td> 2242: <td> </td> 2243: <td align="center" valign="top"> 2244: <select name="statusfilter"> 2245: <option value="all" selected="selected">$status_types{'all'}</option> 2246: <option value="Active">$status_types{'Active'}</option> 2247: <option value="Expired">$status_types{'Expired'}</option> 2248: <option value="Future">$status_types{'Future'}</option> 2249: </select> 2250: </td> 2251: <td> </td> 2252: <td align="center" valign="top"> 2253: <select name="rolefilter" multiple="multiple" size="5"> 2254: <option value="all">$role_types{'all'}</option> 2255: <option value="st">$role_types{'st'}</option> 2256: <option value="$ccrole">$role_types{$ccrole}</option> 2257: <option value="in">$role_types{'in'}</option> 2258: <option value="ta">$role_types{'ta'}</option> 2259: <option value="ep">$role_types{'ep'}</option> 2260: <option value="ad">$role_types{'ad'}</option> 2261: <option value="cr">$role_types{'cr'}</option> 2262: </select> 2263: </td> 2264: <td> </td> 2265: <td align="center" valign="top"> 2266: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2267: $section_sel 2268: </select> 2269: </td> 2270: <td> </td> 2271: <td align="center" valign="top"> 2272: <select name="grouppick" multiple="multiple" size="$numvisible"> 2273: $group_sel 2274: </select> 2275: </td> 2276: <td> </td> 2277: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2278: </tr> 2279: </table> 2280: <br /> 2281: <br /> 2282: <input type="hidden" name="previous" value="$previous" /> 2283: <input type="hidden" name="applysort" value="$symb" /> 2284: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2285: END 2286: if (exists($env{'form.group'})) { 2287: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2288: } 2289: if (exists($env{'form.ref'})) { 2290: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2291: } 2292: $r->print(" 2293: <br /> 2294: <br /> 2295: </form> 2296: $end_page 2297: "); 2298: } 2299: 2300: sub print_showposters { 2301: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2302: 2303: &Apache::loncommon::content_type($r,'text/html'); 2304: $r->send_http_header; 2305: 2306: &Apache::lonenc::check_encrypt(\$symb); 2307: my $crs='/'.$env{'request.course.id'}; 2308: if ($env{'request.course.sec'}) { 2309: $crs.='_'.$env{'request.course.sec'}; 2310: } 2311: $crs=~s/\_/\//g; 2312: my $seeid; 2313: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2314: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2315: my $group = $env{'form.group'}; 2316: my $ressymb = &wrap_symb($symb); 2317: if (($group ne '') && 2318: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2319: if (&check_group_priv($group,'dgp') eq 'ok') { 2320: $seeid = 1; 2321: } 2322: } else { 2323: $seeid=&Apache::lonnet::allowed('rin',$crs); 2324: } 2325: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2326: $cdom,$cnum); 2327: my %namesort = (); 2328: my %postcounts = (); 2329: 2330: my %lt = &Apache::lonlocal::texthash( 2331: sele => 'Select', 2332: full => 'Fullname', 2333: usdo => 'Username:domain', 2334: post => 'Posts', 2335: ); 2336: if ($contrib{'version'}) { 2337: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2338: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2339: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2340: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2341: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2342: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2343: my $lastname = $names{'lastname'}; 2344: my $firstname = $names{'firstname'}; 2345: if ($lastname eq '') { 2346: $lastname = '_'; 2347: } 2348: if ($firstname eq '') { 2349: $firstname = '_'; 2350: } 2351: unless (defined($namesort{$lastname})) { 2352: %{$namesort{$lastname}} = (); 2353: } 2354: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2355: $postcounts{$poster} ++; 2356: if (defined($namesort{$lastname}{$firstname})) { 2357: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2358: push(@{$namesort{$lastname}{$firstname}}, $poster); 2359: } 2360: } else { 2361: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2362: } 2363: } 2364: } 2365: } 2366: } 2367: 2368: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2369: my $table_start =&Apache::loncommon::start_data_table(); 2370: $r->print(<<END); 2371: $start_page 2372: <form name="pickpostersform" method="post"> 2373: <br /> 2374: $table_start 2375: <tr> 2376: <th>#</th> 2377: <th>$lt{'sele'}</th> 2378: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2379: <th>$lt{'post'}</th> 2380: </tr> 2381: END 2382: my $count = 0; 2383: foreach my $last (sort(keys(%namesort))) { 2384: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2385: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2386: my ($uname,$udom) = split(/:/,$user); 2387: if (!$uname || !$udom) { 2388: next; 2389: } else { 2390: $count ++; 2391: $r->print(&Apache::loncommon::start_data_table_row(). 2392: '<td align="right">'.$count.'</td> 2393: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2394: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2395: <td>'.$postcounts{$user}.'</td>'. 2396: &Apache::loncommon::end_data_table_row()); 2397: } 2398: } 2399: } 2400: } 2401: $r->print(&Apache::loncommon::end_data_table()); 2402: my $end_page = &Apache::loncommon::end_page(); 2403: $r->print(<<END); 2404: <br /> 2405: <input type="hidden" name="sortposts" value="$sortposts" /> 2406: <input type="hidden" name="userpick" value="$symb" /> 2407: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2408: </form> 2409: $end_page 2410: END 2411: } 2412: 2413: sub get_post_versions { 2414: my ($versions,$incoming,$htmldecode,$numver) = @_; 2415: if ($incoming =~ /^<version num="0">/) { 2416: my $p = HTML::LCParser->new(\$incoming); 2417: my $done = 0; 2418: 2419: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2420: my $num = $token->[1]{num}; 2421: my $text = $p->get_text("/version"); 2422: if (defined($numver)) { 2423: if ($num == $numver) { 2424: if ($htmldecode) { 2425: $text = &HTML::Entities::decode($text); 2426: } 2427: $$versions{$numver}=$text; 2428: $done = 1; 2429: } 2430: } else { 2431: if ($htmldecode) { 2432: $text = &HTML::Entities::decode($text); 2433: } 2434: $$versions{$num}=$text; 2435: } 2436: } 2437: } else { 2438: if (!defined($numver)) { 2439: $numver = 0; 2440: } 2441: if ($htmldecode) { 2442: $$versions{$numver} = $incoming; 2443: } else { 2444: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2445: } 2446: } 2447: return; 2448: } 2449: 2450: sub get_post_attachments { 2451: my ($attachments,$attachmenturls) = @_; 2452: my $num; 2453: if ($attachmenturls =~ m/^<attachment id="0">/) { 2454: my $p = HTML::LCParser->new(\$attachmenturls); 2455: while (my $token = $p->get_tag("attachment","filename","post")) { 2456: if ($token->[0] eq "attachment") { 2457: $num = $token->[1]{id}; 2458: %{$$attachments{$num}} =(); 2459: } elsif ($token->[0] eq "filename") { 2460: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2461: } elsif ($token->[0] eq "post") { 2462: my $id = $token->[1]{id}; 2463: $$attachments{$num}{$id} = $p->get_text("/post"); 2464: } 2465: } 2466: } else { 2467: %{$$attachments{'0'}} = (); 2468: $$attachments{'0'}{'filename'} = $attachmenturls; 2469: $$attachments{'0'}{'0'} = 'n'; 2470: } 2471: 2472: return; 2473: } 2474: 2475: sub fail_redirect { 2476: my ($r,$feedurl) = @_; 2477: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2478: my %lt = &Apache::lonlocal::texthash( 2479: 'sorr' => 'Sorry, no recipients ...', 2480: ); 2481: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2482: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2483: {'redirect' => [2,$feedurl], 2484: 'only_body' => 1,})); 2485: $r->print(<<ENDFAILREDIR); 2486: <img align="right" src="$logo" /> 2487: <b>$lt{'sorr'}</b> 2488: ENDFAILREDIR 2489: $r->print(&Apache::loncommon::end_page()); 2490: } 2491: 2492: sub redirect_back { 2493: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2494: my $sorttag = ''; 2495: my $roletag = ''; 2496: my $statustag = ''; 2497: my $sectag = ''; 2498: my $grptag = ''; 2499: my $userpicktag = ''; 2500: my $qrystr = ''; 2501: my $prevtag = ''; 2502: 2503: &Apache::loncommon::content_type($r,'text/html'); 2504: $r->send_http_header; 2505: &dewrapper(\$feedurl); 2506: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2507: if ($previous > 0) { 2508: $qrystr = 'previous='.$previous; 2509: if ($feedurl =~ /\?register=1/) { 2510: $feedurl .= '&'.$qrystr; 2511: } else { 2512: $feedurl .= '?'.$qrystr; 2513: } 2514: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2515: } 2516: if (defined($sort)) { 2517: my $sortqry = 'sortposts='.$sort; 2518: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2519: $feedurl .= '&'.$sortqry; 2520: } else { 2521: $feedurl .= '?'.$sortqry; 2522: } 2523: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2524: if (defined($numpicks)) { 2525: my $userpickqry = 'totposters='.$numpicks; 2526: $feedurl .= '&'.$userpickqry; 2527: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2528: } else { 2529: if (ref($sectionpick) eq 'ARRAY') { 2530: $feedurl .= '&sectionpick='; 2531: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2532: foreach my $sec (@{$sectionpick}) { 2533: $feedurl .= $sec.','; 2534: $sectag .= $sec.','; 2535: } 2536: $feedurl =~ s/,$//; 2537: $sectag =~ s/,$//; 2538: $sectag .= '" />'; 2539: } else { 2540: $feedurl .= '&sectionpick='.$sectionpick; 2541: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2542: } 2543: if (ref($grouppick) eq 'ARRAY') { 2544: $feedurl .= '&grouppick='; 2545: $sectag .= '<input type="hidden" name="grouppick" value="'; 2546: foreach my $grp (@{$grouppick}) { 2547: $feedurl .= $grp.','; 2548: $grptag .= $grp.','; 2549: } 2550: $feedurl =~ s/,$//; 2551: $grptag =~ s/,$//; 2552: $grptag .= '" />'; 2553: } else { 2554: $feedurl .= '&grouppick='.$grouppick; 2555: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2556: } 2557: if (ref($rolefilter) eq 'ARRAY') { 2558: $feedurl .= '&rolefilter='; 2559: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2560: foreach my $role (@{$rolefilter}) { 2561: $feedurl .= $role.','; 2562: $roletag .= $role.','; 2563: } 2564: $feedurl =~ s/,$//; 2565: $roletag =~ s/,$//; 2566: $roletag .= '" />'; 2567: } else { 2568: $feedurl .= '&rolefilter='.$rolefilter; 2569: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2570: } 2571: $feedurl .= '&statusfilter='.$statusfilter; 2572: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2573: } 2574: } 2575: my $grouptag; 2576: if ($group ne '') { 2577: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2578: my $refarg; 2579: if (exists($env{'form.ref'})) { 2580: $refarg = '&ref='.$env{'form.ref'}; 2581: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2582: } 2583: if ($feedurl =~ /\?/) { 2584: $feedurl .= '&group='.$group.$refarg; 2585: } else { 2586: $feedurl .= '?group='.$group.$refarg; 2587: } 2588: } 2589: &Apache::lonenc::check_encrypt(\$feedurl); 2590: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2591: my %onload; 2592: if ($env{'environment.remote'} ne 'off') { 2593: $onload{'onload'} = 2594: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2595: } 2596: my $start_page= 2597: &Apache::loncommon::start_page('Feedback sent',undef, 2598: {'redirect' => [0,$feedurl], 2599: 'only_body' => 1, 2600: 'add_entries' => \%onload}); 2601: my $end_page = &Apache::loncommon::end_page(); 2602: $r->print(<<ENDREDIR); 2603: $start_page 2604: <img align="right" src="$logo" /> 2605: $typestyle 2606: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2607: $blog 2608: $toolarge 2609: <font color="red">$status</font> 2610: <form name="reldt" action="$feedurl" target="loncapaclient"> 2611: $prevtag 2612: $sorttag 2613: $statustag 2614: $roletag 2615: $sectag 2616: $grptag 2617: $userpicktag 2618: $grouptag 2619: </form> 2620: $end_page 2621: ENDREDIR 2622: } 2623: 2624: sub no_redirect_back { 2625: my ($r,$feedurl) = @_; 2626: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2627: 2628: my %onload; 2629: if ($env{'environment.remote'} ne 'off') { 2630: $onload{'onload'} = 2631: "if (window.name!='loncapaclient') { self.window.close(); }"; 2632: } 2633: 2634: my %body_options = ('only_body' => 1, 2635: 'bgcolor' => '#FFFFFF', 2636: 'add_entries' => \%onload,); 2637: 2638: if ($feedurl !~ m{^/adm/feedback}) { 2639: $body_options{'rediect'} = [2,$feedurl]; 2640: } 2641: my $start_page= 2642: &Apache::loncommon::start_page('Feedback not sent',undef, 2643: \%body_options); 2644: 2645: my $end_page = &Apache::loncommon::end_page(); 2646: 2647: &Apache::lonenc::check_encrypt(\$feedurl); 2648: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2649: $r->print (<<ENDNOREDIRTWO); 2650: $start_page 2651: <img align="right" src="$logo" /> 2652: <b>$nofeed</b> 2653: <br /> 2654: $end_page 2655: ENDNOREDIRTWO 2656: } 2657: 2658: sub screen_header { 2659: my ($feedurl,$symb,$group) = @_; 2660: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2661: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2662: my $contribdisc = &mt('Contribution to course discussion of resource'); 2663: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2664: my $namevis = &mt('name only visible to course faculty'); 2665: my $crstype; 2666: if ($env{'request.course.id'}) { 2667: $crstype = &Apache::loncommon::course_type(); 2668: if ($crstype eq 'Community') { 2669: $crscontent = &mt('Question/Comment/Feedback about community content'); 2670: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2671: $contribdisc = &mt('Contribution to community discussion of resource'); 2672: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2673: $namevis = &mt('name only visible to community facilitators'); 2674: } 2675: } 2676: my $msgoptions=''; 2677: my $discussoptions=''; 2678: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2679: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2680: $msgoptions= 2681: '<p><label><input type="radio" name="discuss" value="author" /> '. 2682: &mt('Feedback to resource author').'</label></p>'; 2683: } 2684: my %optionhash=(); 2685: foreach my $type ('question','comment','policy') { 2686: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2687: } 2688: if (&feedback_available(1)) { 2689: $msgoptions.= 2690: '<p><label><input type="radio" name="discuss" value="question" /> '. 2691: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2692: } 2693: if (&feedback_available(0,1)) { 2694: $msgoptions.= 2695: '<p><label><input type="radio" name="discuss" value="course" /> '. 2696: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2697: '</label></p>'; 2698: } 2699: if (&feedback_available(0,0,1)) { 2700: $msgoptions.= 2701: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2702: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2703: '</label></p>'; 2704: } 2705: } 2706: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2707: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2708: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2709: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2710: my $realsymb = $symb; 2711: if ($symb=~/^bulletin___/) { 2712: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2713: $filename=~s|^adm/wrapper/||; 2714: $realsymb=&Apache::lonnet::symbread($filename); 2715: } 2716: if (!$blocked && &discussion_open(undef,$realsymb) && 2717: (&Apache::lonnet::allowed('pch', 2718: $env{'request.course.id'}. 2719: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2720: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2721: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2722: $contribdisc. 2723: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2724: $anoncontrib. 2725: ' <i>('.$namevis.')</i></label> '. 2726: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2727: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2728: if (!$blockblog) { 2729: $discussoptions.= &add_blog_checkbox($crstype); 2730: } 2731: } 2732: } 2733: if ($msgoptions) { 2734: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2735: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2736: .$msgoptions; 2737: } 2738: if ($discussoptions) { 2739: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2740: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2741: .$discussoptions; 2742: } 2743: return $msgoptions.$discussoptions; 2744: } 2745: 2746: sub resource_output { 2747: my ($feedurl) = @_; 2748: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2749: $usersaw=~s/\<body[^\>]*\>//gi; 2750: $usersaw=~s/\<\/body\>//gi; 2751: $usersaw=~s/\<html\>//gi; 2752: $usersaw=~s/\<\/html\>//gi; 2753: $usersaw=~s/\<head\>//gi; 2754: $usersaw=~s/\<\/head\>//gi; 2755: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2756: return $usersaw; 2757: } 2758: 2759: sub clear_out_html { 2760: my ($message,$override)=@_; 2761: # Always allow the <m>-tag 2762: my %html=(M=>1); 2763: # Check if more is allowed 2764: my $cid=$env{'request.course.id'}; 2765: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2766: ($override)) { 2767: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2768: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2769: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2770: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2771: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2772: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2773: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2774: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2775: } 2776: # Do the substitution of everything that is not explicitly allowed 2777: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2778: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2779: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2780: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2781: return $message; 2782: } 2783: 2784: sub assemble_email { 2785: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2786: my %lt = &Apache::lonlocal::texthash( 2787: 'prev' => 'Previous attempts of student (if applicable)', 2788: 'orig' => 'Original screen output (if applicable)', 2789: 'corr' => 'Correct Answer(s) (if applicable)', 2790: ); 2791: if (&Apache::loncommon::course_type() eq 'Community') { 2792: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2793: } 2794: my $email=<<"ENDEMAIL"; 2795: $message 2796: ENDEMAIL 2797: my $citations=<<"ENDCITE"; 2798: <h2>$lt{'prev'}</h2> 2799: $prevattempts 2800: <br /><hr /> 2801: <h2>$lt{'orig'}</h2> 2802: $usersaw 2803: <h2>$lt{'corr'}</h2> 2804: $useranswer 2805: ENDCITE 2806: return ($email,$citations); 2807: } 2808: 2809: 2810: sub feedback_available { 2811: my ($question,$course,$policy)=@_; 2812: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2813: $course,$policy); 2814: return scalar(%to); 2815: } 2816: 2817: sub send_msg { 2818: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2819: my $status=''; 2820: my $sendsomething=0; 2821: my $restitle = &get_resource_title($symb,$feedurl); 2822: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2823: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2824: foreach my $key (keys(%to)) { 2825: if ($key) { 2826: my ($user,$domain) = split(/\:/,$key,2); 2827: if (!defined($user)) { 2828: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2829: } elsif (!defined($domain)) { 2830: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2831: } else { 2832: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2833: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2834: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2835: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2836: } else { 2837: $sendsomething++; 2838: } 2839: } 2840: } 2841: } 2842: 2843: 2844: my %record=&Apache::lonnet::restore('_feedback'); 2845: my ($temp)=keys(%record); 2846: unless ($temp=~/^error\:/) { 2847: my %newrecord=(); 2848: $newrecord{'resource'}=$feedurl; 2849: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2850: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2851: $status.='<br />'.&mt('Not registered').'<br />'; 2852: } 2853: } 2854: 2855: return ($status,$sendsomething); 2856: } 2857: 2858: sub adddiscuss { 2859: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2860: my $status=''; 2861: my $realsymb; 2862: if ($symb=~/^bulletin___/) { 2863: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2864: $filename=~s|^adm/wrapper/||; 2865: $realsymb=&Apache::lonnet::symbread($filename); 2866: } 2867: my ($cnum,$cdom); 2868: if ($env{'request.course.id'}) { 2869: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2870: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2871: } 2872: if (&discussion_open(undef,$realsymb) && 2873: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2874: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2875: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2876: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2877: 2878: my %contrib=('message' => $email, 2879: 'sendername' => $env{'user.name'}, 2880: 'senderdomain' => $env{'user.domain'}, 2881: 'screenname' => $env{'environment.screenname'}, 2882: 'plainname' => $env{'environment.firstname'}.' '. 2883: $env{'environment.middlename'}.' '. 2884: $env{'environment.lastname'}.' '. 2885: $env{'enrironment.generation'}, 2886: 'attachmenturl'=> $attachmenturl, 2887: 'subject' => $subject); 2888: if ($env{'form.replydisc'}) { 2889: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2890: } 2891: if ($anon) { 2892: $contrib{'anonymous'}='true'; 2893: } 2894: if (($symb) && ($email)) { 2895: my $now = time; 2896: if ($env{'form.editdisc'}) { 2897: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2898: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2899: $contrib{'timestamp'} = $now; 2900: $contrib{'history'} = ''; 2901: my $numoldver = 0; 2902: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2903: &Apache::lonenc::check_decrypt(\$oldsymb); 2904: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2905: # get timestamp for last post and history 2906: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2907: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2908: $env{'course.'.$env{'request.course.id'}.'.num'}); 2909: if (defined($oldcontrib{$oldidx.':replyto'})) { 2910: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2911: } 2912: if (defined($oldcontrib{$oldidx.':history'})) { 2913: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2914: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2915: $numoldver = @oldversions; 2916: } else { 2917: $numoldver = 1; 2918: } 2919: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2920: } 2921: my $numnewver = $numoldver + 1; 2922: if (defined($oldcontrib{$oldidx.':subject'})) { 2923: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2924: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2925: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2926: } else { 2927: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2928: } 2929: } 2930: if (defined($oldcontrib{$oldidx.':message'})) { 2931: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2932: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2933: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2934: } else { 2935: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2936: } 2937: } 2938: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2939: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2940: $oldsymb,$oldidx,\%contrib, 2941: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2942: $env{'course.'.$env{'request.course.id'}.'.num'}); 2943: $status='Editing class discussion'.($anon?' (anonymous)':''); 2944: } else { 2945: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2946: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2947: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2948: $env{'course.'.$env{'request.course.id'}.'.num'}); 2949: } 2950: my %storenewentry=($symb => $now); 2951: $status.='<br />'.&mt('Updating discussion time').': '. 2952: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2953: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2954: $env{'course.'.$env{'request.course.id'}.'.num'}); 2955: } 2956: my %record=&Apache::lonnet::restore('_discussion'); 2957: my ($temp)=keys(%record); 2958: unless ($temp=~/^error\:/) { 2959: my %newrecord=(); 2960: $newrecord{'resource'}=$symb; 2961: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2962: $status.='<br />'.&mt('Registering').': '. 2963: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2964: } 2965: } else { 2966: $status.='Failed.'; 2967: } 2968: return $status.'<br />'; 2969: } 2970: 2971: sub get_discussion_info { 2972: my ($idx,%contrib) = @_; 2973: my $changelast = 0; 2974: my $count = 0; 2975: my $hiddenflag = 0; 2976: my $deletedflag = 0; 2977: my ($hidden,$deleted,%info,$newlastdisc); 2978: my $version = $contrib{'version'}; 2979: if ($version) { 2980: for (my $id=$version; $id>0; $id--) { 2981: my $vkeys=$contrib{$id.':keys'}; 2982: my @keys=split(/:/,$vkeys); 2983: if (grep(/^hidden$/,@keys)) { 2984: if (!$hiddenflag) { 2985: $hidden = $contrib{$id.':hidden'}; 2986: $hiddenflag = 1; 2987: } 2988: } elsif (grep(/^deleted$/,@keys)) { 2989: if (!$deletedflag) { 2990: $deleted = $contrib{$id.':deleted'}; 2991: $deletedflag = 1; 2992: } 2993: } else { 2994: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2995: $count++; 2996: $info{$count}{'id'} = $id; 2997: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2998: } 2999: } 3000: } 3001: if ($info{'1'}{'id'} == $idx) { 3002: $changelast = 1; 3003: if ($count > 1) { 3004: $newlastdisc = $info{'2'}{'timestamp'}; 3005: } else { 3006: $newlastdisc = 0; 3007: } 3008: } 3009: } 3010: return ($changelast,$newlastdisc); 3011: } 3012: 3013: # ----------------------------------------------------------- Preview function 3014: 3015: sub show_preview { 3016: my ($r) = @_; 3017: &Apache::loncommon::content_type($r,'text/html'); 3018: $r->send_http_header; 3019: my $start_page= 3020: &Apache::loncommon::start_page('Preview',undef, 3021: {'only_body' => 1,}); 3022: 3023: my $message=&clear_out_html($env{'form.comment'}); 3024: &newline_to_br(\$message); 3025: $message=&Apache::lonspeller::markeduptext($message); 3026: $message=&Apache::lontexconvert::msgtexconverted($message); 3027: my $subject=&clear_out_html($env{'form.subject'}); 3028: $subject=~s/\n/\<br \/\>/g; 3029: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3030: 3031: my $end_page = &Apache::loncommon::end_page(); 3032: 3033: $r->print($start_page 3034: .'<h1>'.&mt('Preview').'</h1>' 3035: .&Apache::lonhtmlcommon::start_pick_box() 3036: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3037: .$subject 3038: .&Apache::lonhtmlcommon::row_closure() 3039: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3040: .$message 3041: .&Apache::lonhtmlcommon::row_closure(1) 3042: .&Apache::lonhtmlcommon::end_pick_box() 3043: .$end_page 3044: ); 3045: } 3046: 3047: sub contains_block_html { 3048: my ($message)=@_; 3049: return ($message =~ m{ 3050: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3051: \s* 3052: (\w+\=['"]\w+['"])* 3053: \s* 3054: ( 3055: \s*/>| 3056: >.*</\1\s*> 3057: )}xs 3058: ); 3059: } 3060: 3061: sub tidy_html { 3062: my ($message)=@_; 3063: # my $tidy = HTML::Tidy::libXML->new(); 3064: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3065: # $xhtml =~ m/<body>(.*)<\/body>/is; 3066: # my $clean = $1; 3067: # # remove any empty block-level tags 3068: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3069: # $message=$clean; 3070: return $message; 3071: } 3072: 3073: sub newline_to_br { 3074: my ($message)=@_; 3075: my $newmessage; 3076: my $parser=HTML::LCParser->new($message); 3077: while (my $token=$parser->get_token()) { 3078: if ($token->[0] eq 'T') { 3079: my $text=$token->[1]; 3080: $text=~s/\n/\<br \/\>/g; 3081: $newmessage.=$text; 3082: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3083: $newmessage.=$token->[1]; 3084: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3085: $newmessage.=$token->[2]; 3086: } elsif ($token->[0] eq 'S') { 3087: $newmessage.=$token->[4]; 3088: } 3089: 3090: } 3091: $$message=$newmessage; 3092: } 3093: 3094: sub generate_preview_button { 3095: my ($formname,$fieldname)=@_; 3096: unless ($formname) { $formname='mailform'; } 3097: unless ($fieldname) { $fieldname='comment'; } 3098: my $pre=&mt("Show Preview and Check Spelling"); 3099: return(<<ENDPREVIEW); 3100: <br /> 3101: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3102: <input type="hidden" name="subject" /> 3103: <input type="hidden" name="comment" /> 3104: <input type="button" value="$pre" 3105: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3106: </form> 3107: ENDPREVIEW 3108: } 3109: 3110: sub modify_attachments { 3111: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3112: $attachmaxtext,$toolarge)=@_; 3113: 3114: my %lt = &Apache::lonlocal::texthash( 3115: 'subj' => 'Subject', 3116: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3117: 'chth' => 'Check the checkboxes for any you wish to remove.', 3118: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3119: 'adda' => 'Add a new attachment to this post.', 3120: 'stch' => 'Save Changes', 3121: ); 3122: my $js = <<END; 3123: <script type="text/javascript"> 3124: function setAction () { 3125: document.modattachments.action = document.modattachments.origpage.value; 3126: document.modattachments.submit(); 3127: } 3128: </script> 3129: END 3130: 3131: # Breadcrumbs 3132: my $brcrum = [{'href' => '', 3133: 'text' => 'Discussion Post Attachments'}]; 3134: my $start_page = 3135: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3136: {'bread_crumbs' => $brcrum,}); 3137: 3138: my $orig_subject = &unescape($env{'form.subject'}); 3139: my $subject=&clear_out_html($orig_subject); 3140: $subject=~s/\n/\<br \/\>/g; 3141: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3142: my $timestamp=$env{'form.timestamp'}; 3143: my $numoldver=$env{'form.numoldver'}; 3144: 3145: my $msg = ''; 3146: my %attachments = (); 3147: my %currattach = (); 3148: if ($idx) { 3149: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3150: } 3151: &Apache::lonenc::check_encrypt(\$symb); 3152: 3153: my $end_page = 3154: &Apache::loncommon::end_page(); 3155: 3156: $r->print(<<END); 3157: $start_page 3158: $toolarge 3159: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3160: <br /> 3161: <table class="LC_data_table"> 3162: <tr> 3163: <td colspan="2"> 3164: <b>Subject:</b> <b>$subject</b><br /><br /> 3165: END 3166: if ($idx) { 3167: if ($attachmenturls) { 3168: my @currold = keys(%currattach); 3169: if (@currold > 0) { 3170: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3171: foreach my $id (@currold) { 3172: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3173: $attachurl =~ m#/([^/]+)$#; 3174: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3175: } 3176: $r->print("<br />"); 3177: } 3178: } 3179: } 3180: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3181: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3182: foreach my $attach (@{$currnewattach}) { 3183: $attach =~ m#/([^/]+)$#; 3184: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3185: } 3186: $r->print("<br />"); 3187: } 3188: $r->print(<<END); 3189: </td></tr> 3190: <tr> 3191: <td> 3192: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3193: </td> 3194: </tr> 3195: <tr> 3196: <td colspan="2">$attachmaxtext</td> 3197: </tr> 3198: </table> 3199: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3200: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3201: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3202: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3203: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3204: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3205: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3206: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3207: END 3208: foreach my $item (@{$currnewattach}) { 3209: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3210: } 3211: foreach my $item (@{$currdelold}) { 3212: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3213: } 3214: $r->print(<<END); 3215: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3216: </form> 3217: $end_page 3218: END 3219: return; 3220: } 3221: 3222: sub process_attachments { 3223: my ($currnewattach,$currdelold,$keepold) = @_; 3224: 3225: @{$currnewattach}= 3226: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3227: @{$currdelold}= 3228: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3229: if (exists($env{'form.delnewattach'})) { 3230: my @currdelnew = 3231: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3232: my @currnew = (); 3233: foreach my $newone (@{$currnewattach}) { 3234: my $delflag = 0; 3235: foreach my $item (@currdelnew) { 3236: if ($newone eq $item) { 3237: $delflag = 1; 3238: last; 3239: } 3240: } 3241: unless ($delflag) { 3242: push(@currnew, $newone); 3243: } 3244: } 3245: @{$currnewattach} = @currnew; 3246: } 3247: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3248: } 3249: 3250: sub generate_attachments_button { 3251: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3252: $numoldver,$mode,$blockblog) = @_; 3253: my $origpage = $ENV{'REQUEST_URI'}; 3254: my $att=$attachnum.' '.&mt("attachments"); 3255: my %lt = &Apache::lonlocal::texthash( 3256: 'clic' => 'Click to add/remove attachments', 3257: ); 3258: my $response = (<<END); 3259: <br /> 3260: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3261: $lt{'clic'}: <input type="button" value="$att" 3262: onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value); 3263: END 3264: if (!$blockblog) { 3265: $response .= 'setblogvalue();'; 3266: } 3267: unless ($mode eq 'board') { 3268: $response .= 'javascript:anonchk();'; 3269: } 3270: $response .= (<<ENDATTACH); 3271: this.form.submit();" /> 3272: <input type="hidden" name="origpage" value="$origpage" /> 3273: <input type="hidden" name="idx" value="$idx" /> 3274: <input type="hidden" name="timestamp" value="$now" /> 3275: <input type="hidden" name="subject" /> 3276: <input type="hidden" name="comment" /> 3277: <input type="hidden" name="blog" value="0" /> 3278: <input type="hidden" name="discuss" value="0" /> 3279: <input type="hidden" name="numoldver" value="$numoldver" /> 3280: ENDATTACH 3281: if (defined($deloldattach)) { 3282: if (@{$deloldattach} > 0) { 3283: foreach my $delatt (@{$deloldattach}) { 3284: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3285: } 3286: } 3287: } 3288: if (defined($currnewattach)) { 3289: if (@{$currnewattach} > 0) { 3290: foreach my $attach (@{$currnewattach}) { 3291: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3292: } 3293: } 3294: } 3295: $response .= '</form>'; 3296: return $response; 3297: } 3298: 3299: sub extract_attachments { 3300: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3301: %{$attachments}=(); 3302: &get_post_attachments($attachments,$attachmenturls); 3303: foreach my $id (sort(keys(%{$attachments}))) { 3304: if (exists($$attachments{$id}{$numoldver})) { 3305: if (defined($currdelold)) { 3306: if (@{$currdelold} > 0) { 3307: unless (grep/^$id$/,@{$currdelold}) { 3308: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3309: } 3310: } else { 3311: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3312: } 3313: } else { 3314: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3315: } 3316: } 3317: } 3318: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3319: if (@attached == 1) { 3320: my $id = $attached[0]; 3321: my $attachurl; 3322: if ($attachmenturls =~ m/^<attachment id="0">/) { 3323: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3324: } else { 3325: $attachurl = $$attachments{$id}{'filename'}; 3326: } 3327: $attachurl=~m|/([^/]+)$|; 3328: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3329: $1.'</tt></a><br />'; 3330: &Apache::lonnet::allowuploaded('/adm/feedback', 3331: $attachurl); 3332: } elsif (@attached > 1) { 3333: $$message.='<ol>'; 3334: foreach my $attach (@attached) { 3335: my $id = $attach; 3336: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3337: my ($fname) 3338: =($attachurl=~m|/([^/]+)$|); 3339: $$message .= '<li><a href="'.$attachurl. 3340: '"><tt>'. 3341: $fname.'</tt></a></li>'; 3342: &Apache::lonnet::allowuploaded('/adm/feedback', 3343: $attachurl); 3344: } 3345: $$message .= '</ol>'; 3346: } 3347: } 3348: 3349: sub construct_attachmenturl { 3350: my ($currnewattach,$keepold,$symb,$idx)=@_; 3351: my $oldattachmenturl; 3352: my $newattachmenturl; 3353: my $startnum = 0; 3354: my $currver = 0; 3355: if (($env{'form.editdisc'}) && ($idx)) { 3356: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3357: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3358: $env{'course.'.$env{'request.course.id'}.'.num'}); 3359: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3360: if ($contrib{$idx.':history'}) { 3361: if ($contrib{$idx.':history'} =~ /:/) { 3362: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3363: $currver = 1 + scalar(@oldversions); 3364: } else { 3365: $currver = 2; 3366: } 3367: } else { 3368: $currver = 1; 3369: } 3370: if ($oldattachmenturl) { 3371: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3372: my %attachments = (); 3373: my $prevver = $currver-1; 3374: &get_post_attachments(\%attachments,$oldattachmenturl); 3375: my $numattach = scalar(keys(%attachments)); 3376: $startnum += $numattach; 3377: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3378: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3379: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3380: unless ($item eq 'filename') { 3381: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3382: } 3383: } 3384: if (grep/^$num$/,@{$keepold}) { 3385: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3386: } 3387: $newattachmenturl .= '</attachment>'; 3388: } 3389: } else { 3390: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3391: unless (grep/^0$/,@{$keepold}) { 3392: $newattachmenturl .= '<post id="1">n</post>'; 3393: } 3394: $newattachmenturl .= '</attachment>'; 3395: $startnum ++; 3396: } 3397: } 3398: } 3399: for (my $i=0; $i<@{$currnewattach}; $i++) { 3400: my $attachnum = $startnum + $i; 3401: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3402: } 3403: return $newattachmenturl; 3404: } 3405: 3406: sub add_blog_checkbox { 3407: my ($crstype) = @_; 3408: my $checkstatus; 3409: if ($env{'form.blog'}) { 3410: $checkstatus = 'checked="checked"'; 3411: } 3412: my $output = ' 3413: <script type="text/javascript"> 3414: function setblogvalue() { 3415: if (document.mailform.blog.checked) { 3416: document.attachment.blog.value = 1; 3417: } else { 3418: document.attachment.blog.value = 0; 3419: } 3420: } 3421: </script><br /> 3422: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3423: if ($crstype eq 'Community') { 3424: $output .= &mt('Add to my public community blog'); 3425: } else { 3426: $output .= &mt('Add to my public course blog'); 3427: } 3428: $output .= '</label><br />'."\n"; 3429: return $output; 3430: } 3431: 3432: sub has_discussion { 3433: my $resourcesref = shift; 3434: my $navmap = Apache::lonnavmaps::navmap->new(); 3435: if (defined($navmap)) { 3436: my @allres=$navmap->retrieveResources(); 3437: foreach my $resource (@allres) { 3438: if ($resource->hasDiscussion()) { 3439: my $ressymb = $resource->wrap_symb(); 3440: if (ref($resourcesref) eq 'ARRAY') { 3441: push(@{$resourcesref}, $ressymb); 3442: } 3443: } 3444: } 3445: } else { 3446: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3447: } 3448: return; 3449: } 3450: 3451: sub sort_filter_names { 3452: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3453: if (ref($sort_types) eq 'HASH') { 3454: %{$sort_types} = ( 3455: ascdate => 'Date order - oldest first', 3456: descdate => 'Date order - newest first', 3457: thread => 'Threaded', 3458: subject => 'By subject', 3459: username => 'By domain and username', 3460: lastfirst => 'By last name, first name' 3461: ); 3462: } 3463: my @courseroles = qw(st in ta ep ad); 3464: if ($crstype eq 'Community') { 3465: push(@courseroles,'co'); 3466: } else { 3467: push(@courseroles,'cc'); 3468: } 3469: if (ref($role_types) eq 'HASH') { 3470: foreach my $role (@courseroles) { 3471: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3472: } 3473: $role_types->{'all'} = 'All roles'; 3474: $role_types->{'cr'} = 'Custom role'; 3475: } 3476: if (ref($status_types) eq 'HASH') { 3477: %{$status_types} = ( 3478: all => 'Roles of any status', 3479: Active => 'Only active roles', 3480: Expired => 'Only past roles', 3481: Future => 'Only future roles', 3482: ); 3483: } 3484: } 3485: 3486: sub handler { 3487: my $r = shift; 3488: if ($r->header_only) { 3489: &Apache::loncommon::content_type($r,'text/html'); 3490: $r->send_http_header; 3491: return OK; 3492: } 3493: 3494: # --------------------------- Get query string for limited number of parameters 3495: 3496: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3497: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); 3498: my $group = $env{'form.group'}; 3499: my %attachmax = ( 3500: text => &mt('(128 KB max size)'), 3501: num => 131072, 3502: ); 3503: if ($env{'form.editdisc'}) { 3504: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3505: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3506: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3507: my $feedurl=&Apache::lonnet::clutter($url); 3508: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3509: undef,undef,undef,$group); 3510: return OK; 3511: } 3512: } 3513: if ($env{'form.discsymb'}) { 3514: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3515: my $readkey = $symb.'_read'; 3516: my $chgcount = 0; 3517: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3518: foreach my $key (keys(%env)) { 3519: if ($key =~ m/^form\.postunread_(\d+)/) { 3520: if ($readinghash{$readkey} =~ /\.$1\./) { 3521: $readinghash{$readkey} =~ s/\.$1\.//; 3522: $chgcount ++; 3523: } 3524: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3525: unless ($readinghash{$readkey} =~ /\.$1\./) { 3526: $readinghash{$readkey} .= '.'.$1.'.'; 3527: $chgcount ++; 3528: } 3529: } 3530: } 3531: if ($chgcount > 0) { 3532: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3533: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3534: } 3535: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3536: '0','0','','',$env{'form.previous'},'','','', 3537: undef,undef,undef,$group); 3538: return OK; 3539: } 3540: if ($env{'form.allversions'}) { 3541: &Apache::loncommon::content_type($r,'text/html'); 3542: &Apache::loncommon::no_cache($r); 3543: $r->send_http_header; 3544: 3545: # Breadcrumbs 3546: my $brcrum = [{'href' => '', 3547: 'text' => 'Discussion Post Versions'}]; 3548: 3549: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3550: {'bread_crumbs' => $brcrum,}) 3551: ); 3552: 3553: my $crs='/'.$env{'request.course.id'}; 3554: if ($env{'request.course.sec'}) { 3555: $crs.='_'.$env{'request.course.sec'}; 3556: } 3557: $crs=~s|_|/|g; 3558: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3559: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3560: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3561: ($symb)=&get_feedurl_and_clean_symb($symb); 3562: my $ressymb = &wrap_symb($symb); 3563: my $group = $env{'form.group'}; 3564: my $seeid; 3565: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3566: if (&check_group_priv($group,'dgp') eq 'ok') { 3567: $seeid = 1; 3568: } 3569: } else { 3570: $seeid = &Apache::lonnet::allowed('rin',$crs); 3571: } 3572: if ($idx > 0) { 3573: my %messages = (); 3574: my %subjects = (); 3575: my %attachmsgs = (); 3576: my %allattachments = (); 3577: my %imsfiles = (); 3578: my ($screenname,$plainname,$showaboutme); 3579: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3580: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3581: $env{'course.'.$env{'request.course.id'}.'.num'}); 3582: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname,\$showaboutme)); 3583: } 3584: $r->print(&Apache::loncommon::end_page()); 3585: return OK; 3586: } 3587: if ($env{'form.posterlist'}) { 3588: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3589: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3590: $env{'form.sortposts'}); 3591: return OK; 3592: } 3593: if ($env{'form.userpick'}) { 3594: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3595: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3596: my $numpicks = @posters; 3597: my %discinfo; 3598: $discinfo{$symb.'_userpick'} = join('&',@posters); 3599: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3600: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3601: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3602: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3603: '',$numpicks,$group); 3604: return OK; 3605: } 3606: if ($env{'form.applysort'}) { 3607: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3608: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3609: '',$env{'form.previous'},$env{'form.sortposts'}, 3610: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3611: $env{'form.sectionpick'},$env{'form.grouppick'}, 3612: undef,$group); 3613: return OK; 3614: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3615: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3616: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3617: return OK; 3618: } elsif ($env{'form.navtime'}) { 3619: my %discinfo = (); 3620: my @resources = (); 3621: if (defined($env{'form.navmaps'})) { 3622: if ($env{'form.navmaps'} =~ /:/) { 3623: @resources = split(/:/,$env{'form.navmaps'}); 3624: } else { 3625: @resources = ("$env{'form.navmaps'}"); 3626: } 3627: } else { 3628: &has_discussion(\@resources); 3629: } 3630: my $numitems = @resources; 3631: my $feedurl = '/adm/navmaps'; 3632: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3633: my %lt = &Apache::lonlocal::texthash( 3634: 'mnpa' => 'Marked "New" posts as read in a total of', 3635: 'robb' => 'resources/bulletin boards.', 3636: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3637: ); 3638: foreach my $res (@resources) { 3639: my $ressymb=$res; 3640: &Apache::lonenc::check_decrypt(\$ressymb); 3641: my $lastkey = $ressymb.'_lastread'; 3642: $discinfo{$lastkey} = $env{'form.navtime'}; 3643: } 3644: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3645: if ($numitems > 0) { 3646: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3647: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3648: } else { 3649: $textline = "<b>$lt{'twnp'}</b>"; 3650: } 3651: &Apache::loncommon::content_type($r,'text/html'); 3652: $r->send_http_header; 3653: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3654: my %onload; 3655: if ($env{'environment.remote'} ne 'off') { 3656: $onload{'onload'} = 3657: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3658: } 3659: 3660: my $start_page= 3661: &Apache::loncommon::start_page('New posts marked as read',undef, 3662: {'redirect' => [2,$feedurl], 3663: 'only_body' => 1, 3664: 'add_entries' => \%onload}); 3665: my $end_page = &Apache::loncommon::end_page(); 3666: $r->print (<<ENDREDIR); 3667: $start_page 3668: <img align="right" src="$logo" /> 3669: $textline 3670: <form name="reldt" action="$feedurl" target="loncapaclient"> 3671: </form> 3672: <br /> 3673: $end_page 3674: ENDREDIR 3675: return OK; 3676: } elsif ($env{'form.modifydisp'}) { 3677: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3678: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3679: split(/_/,$env{'form.changes'}); 3680: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3681: $dispchgB,$markchg,$toggchg,$feedurl); 3682: return OK; 3683: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3684: $env{'form.allposts'} || $env{'form.onlyunread'} || 3685: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3686: $env{'form.toggon'} || $env{'form.markread'}) { 3687: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3688: my %discinfo; 3689: # ------------------------ Modify setting for read/unread toggle for each post 3690: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3691: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3692: # --------- Modify setting for identification of 'NEW' posts in this discussion 3693: if ($env{'form.markondisp'}) { 3694: $discinfo{$symb.'_lastread'} = time; 3695: $discinfo{$symb.'_markondisp'} = 1; 3696: } 3697: if ($env{'form.markonread'}) { 3698: if ( $env{'form.previous'} > 0 ) { 3699: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3700: } 3701: $discinfo{$symb.'_markondisp'} = 0; 3702: } 3703: # --------------------------------- Modify display setting for this discussion 3704: if ($env{'form.allposts'}) { 3705: $discinfo{$symb.'_showonlyunread'} = 0; 3706: $discinfo{$symb.'_showonlyunmark'} = 0; 3707: } 3708: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3709: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3710: # ----------------------------------------------------- Mark new posts not NEW 3711: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3712: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3713: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3714: my $previous=$env{'form.previous'}; 3715: if ($env{'form.markondisp'}) { $previous=undef; } 3716: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3717: '0','0','','',$previous,'','','','','','',$group); 3718: return OK; 3719: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3720: # ----------------------------------------------------------------- Hide/unhide 3721: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3722: my ($symb,$idx)=split(/\:\:\:/,$entry); 3723: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3724: 3725: my $crs='/'.$env{'request.course.id'}; 3726: if ($env{'request.course.sec'}) { 3727: $crs.='_'.$env{'request.course.sec'}; 3728: } 3729: $crs=~s/\_/\//g; 3730: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3731: 3732: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3733: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3734: undef,undef,$group,); 3735: return OK; 3736: } 3737: 3738: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3739: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3740: $env{'course.'.$env{'request.course.id'}.'.num'}); 3741: 3742: my $currenthidden=$contrib{'hidden'}; 3743: my $currentstudenthidden=$contrib{'studenthidden'}; 3744: 3745: if ($env{'form.hide'}) { 3746: $currenthidden.='.'.$idx.'.'; 3747: unless ($seeid) { 3748: $currentstudenthidden.='.'.$idx.'.'; 3749: } 3750: } else { 3751: $currenthidden=~s/\.$idx\.//g; 3752: } 3753: my %newhash=('hidden' => $currenthidden); 3754: if ( ($env{'form.hide'}) && (!$seeid) ) { 3755: $newhash{'studenthidden'} = $currentstudenthidden; 3756: } 3757: if ($env{'form.hide'}) { 3758: my $changelast = 0; 3759: my $newlast; 3760: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3761: if ($changelast) { 3762: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3763: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3764: $env{'course.'.$env{'request.course.id'}.'.num'}); 3765: } 3766: } 3767: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3768: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3769: $env{'course.'.$env{'request.course.id'}.'.num'}); 3770: 3771: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3772: '0','0','','',$env{'form.previous'},undef,undef,undef, 3773: undef,undef,undef,$group); 3774: return OK; 3775: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3776: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3777: if ($env{'form.cmd'} eq 'threadedon') { 3778: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3779: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3780: } else { 3781: &Apache::lonnet::del('environment',['threadeddiscussion']); 3782: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3783: } 3784: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3785: '0','0','','',$env{'form.previous'},undef,undef,undef, 3786: undef,undef,undef,$group); 3787: return OK; 3788: } elsif ($env{'form.deldisc'}) { 3789: # --------------------------------------------------------------- Hide for good 3790: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3791: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3792: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3793: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3794: $env{'course.'.$env{'request.course.id'}.'.num'}); 3795: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3796: if ($changelast) { 3797: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3798: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3799: } 3800: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3801: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3802: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3803: $env{'course.'.$env{'request.course.id'}.'.num'}); 3804: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3805: '0','0','','',$env{'form.previous'},undef,undef,undef, 3806: undef,undef,undef,$group); 3807: return OK; 3808: } elsif ($env{'form.preview'}) { 3809: # -------------------------------------------------------- User wants a preview 3810: &show_preview($r); 3811: return OK; 3812: } elsif ($env{'form.attach'}) { 3813: # -------------------------------------------------------- Work on attachments 3814: &Apache::loncommon::content_type($r,'text/html'); 3815: $r->send_http_header; 3816: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3817: my (@currnewattach,@currdelold,@keepold,$toolarge); 3818: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3819: if (exists($env{'form.addnewattach.filename'})) { 3820: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3821: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3822: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3823: push(@currnewattach, $newattachment); 3824: } else { 3825: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3826: } 3827: } 3828: my $attachmenturls; 3829: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3830: my $idx = $env{'form.idx'}; 3831: if ($idx) { 3832: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3833: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3834: $env{'course.'.$env{'request.course.id'}.'.num'}); 3835: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3836: } 3837: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3838: $attachmenturls,$attachmax{'text'},$toolarge); 3839: return OK; 3840: } elsif ($env{'form.export'}) { 3841: &Apache::loncommon::content_type($r,'text/html'); 3842: $r->send_http_header; 3843: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3844: my $mode='board'; 3845: my $status='OPEN'; 3846: my $previous=$env{'form.previous'}; 3847: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3848: $mode='problem'; 3849: $status=$Apache::inputtags::status[-1]; 3850: } 3851: my $discussion = &list_discussion($mode,$status,$symb); 3852: my $start_page = 3853: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3854: my $end_page = 3855: &Apache::loncommon::end_page(); 3856: $r->print($start_page.$discussion.$end_page); 3857: return OK; 3858: } else { 3859: # ------------------------------------------------------------- Normal feedback 3860: my $feedurl=$env{'form.postdata'}; 3861: $feedurl=~s/^https?\:\/\///; 3862: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3863: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3864: $feedurl=~s/\?.+$//; 3865: 3866: my $symb; 3867: if ($env{'form.replydisc'}) { 3868: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3869: } elsif ($env{'form.editdisc'}) { 3870: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3871: } elsif ($env{'form.origpage'}) { 3872: $symb=""; 3873: } else { 3874: $symb=&Apache::lonnet::symbread($feedurl); 3875: } 3876: unless ($symb) { 3877: $symb=$env{'form.symb'}; 3878: } 3879: if (defined($symb)) { 3880: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3881: } else { 3882: # backward compatibility (bulletin boards used to be 'wrapped') 3883: &Apache::lonenc::check_decrypt(\$feedurl); 3884: &dewrapper(\$feedurl); 3885: } 3886: my $goahead=1; 3887: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3888: unless ($symb) { $goahead=0; } 3889: } 3890: if (!$goahead) { 3891: # Ambiguous Problem Resource 3892: $r->internal_redirect('/adm/ambiguous'); 3893: return OK; 3894: } 3895: # Go ahead with feedback, no ambiguous reference 3896: unless ( 3897: ( 3898: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3899: ) 3900: || 3901: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3902: || 3903: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3904: ) { 3905: &Apache::loncommon::content_type($r,'text/html'); 3906: $r->send_http_header; 3907: # Unable to give feedback 3908: &Apache::lonenc::check_encrypt(\$feedurl); 3909: &no_redirect_back($r,$feedurl); 3910: return OK; 3911: } 3912: # --------------------------------------------------- Print login screen header 3913: unless ($env{'form.sendit'}) { 3914: &Apache::lonenc::check_encrypt(\$feedurl); 3915: &Apache::loncommon::content_type($r,'text/html'); 3916: $r->send_http_header; 3917: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3918: my ($blocked,$blocktext) = 3919: &Apache::loncommon::blocking_status('boards'); 3920: if ($blocked) { 3921: $r->print(&blocked_reply_or_edit($blocktext)); 3922: return OK; 3923: } 3924: } 3925: my $options=&screen_header($feedurl,$symb,$group); 3926: if ($options) { 3927: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3928: } else { 3929: &fail_redirect($r,$feedurl); 3930: } 3931: return OK; 3932: } 3933: 3934: # Get previous user input 3935: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3936: $symb,$env{'user.name'},$env{'user.domain'}, 3937: $env{'request.course.id'}); 3938: 3939: # Get output from resource 3940: &Apache::lonenc::check_encrypt(\$feedurl); 3941: my $usersaw=&resource_output($feedurl); 3942: 3943: # Get resource answer (need to allow student to view grades for this to work) 3944: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3945: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3946: my $useranswer= 3947: &Apache::loncommon::get_student_answers( 3948: $usersymb,$env{'user.name'},$env{'user.domain'}, 3949: $env{'request.course.id'}); 3950: &Apache::lonnet::delenv('allowed.vgr'); 3951: # Get attachments, if any, and not too large 3952: my $attachmenturl=''; 3953: my $toolarge=''; 3954: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3955: ($env{'form.replydisc'})) { 3956: my ($symb,$idx); 3957: if ($env{'form.replydisc'}) { 3958: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3959: } elsif ($env{'form.editdisc'}) { 3960: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3961: } elsif ($env{'form.origpage'}) { 3962: $symb = $env{'form.symb'}; 3963: } 3964: &Apache::lonenc::check_decrypt(\$symb); 3965: my @currnewattach = (); 3966: my @deloldattach = (); 3967: my @keepold = (); 3968: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3969: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3970: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3971: } elsif ($env{'form.attachment.filename'}) { 3972: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3973: my $now = time; 3974: my $subdir = 'feedback/'.$now; 3975: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3976: } else { 3977: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3978: } 3979: } 3980: # Filter HTML out of message (could be nasty) 3981: my $override; 3982: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 3983: $override = 1; 3984: } 3985: my $message=&clear_out_html($env{'form.comment'},$override); 3986: 3987: # Assemble email 3988: my ($email,$citations)=&assemble_email($message,$prevattempts, 3989: $usersaw,$useranswer); 3990: 3991: # Who gets this? 3992: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3993: 3994: # Actually send mail 3995: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 3996: $feedurl,$email,$citations, 3997: $attachmenturl,$usersymb,%to); 3998: 3999: # Discussion? Store that. 4000: my $numpost=0; 4001: if ( ($env{'form.discuss'} ne '' 4002: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4003: || $env{'form.anondiscuss'} ne '') { 4004: my $subject = &clear_out_html($env{'form.subject'}); 4005: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4006: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4007: $subject,$group); 4008: $numpost++; 4009: } 4010: 4011: # Add to blog? 4012: 4013: my $blog=''; 4014: if ($env{'form.blog'}) { 4015: my $subject = &clear_out_html($env{'form.subject'}); 4016: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4017: $env{'user.domain'}, 4018: 'CourseBlog_'.$env{'request.course.id'}, 4019: $subject,$message,$feedurl,'public'); 4020: if (&Apache::loncommon::course_type() eq 'Community') { 4021: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4022: } else { 4023: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4024: } 4025: } 4026: 4027: # Receipt screen and redirect back to where came from 4028: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4029: } 4030: return OK; 4031: } 4032: 4033: sub blocked_reply_or_edit { 4034: my ($blocktext) = @_; 4035: return 4036: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4037: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4038: &mt('Back to previous page'). 4039: &Apache::loncommon::end_page(); 4040: } 4041: 4042: sub wrap_symb { 4043: my ($ressymb)=@_; 4044: if ($ressymb =~ /bulletin___\d+___/) { 4045: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4046: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4047: } 4048: } 4049: return $ressymb; 4050: } 4051: sub dewrapper { 4052: my ($feedurl)=@_; 4053: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4054: $$feedurl=~s|^/adm/wrapper||; 4055: } 4056: } 4057: 4058: sub get_feedurl { 4059: my ($symb)=@_; 4060: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4061: my $feedurl = &Apache::lonnet::clutter($url); 4062: &dewrapper(\$feedurl); 4063: return $feedurl; 4064: } 4065: 4066: sub get_feedurl_and_clean_symb { 4067: my ($symb)=@_; 4068: &Apache::lonenc::check_decrypt(\$symb); 4069: # backward compatibility (bulletin boards used to be 'wrapped') 4070: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4071: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4072: } 4073: my $feedurl = &get_feedurl($symb); 4074: return ($symb,$feedurl); 4075: } 4076: 4077: sub editing_allowed { 4078: my ($postid,$group) = @_; 4079: $postid = &unescape($postid); 4080: my $can_edit = 0; 4081: if ($group ne '') { 4082: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4083: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4084: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4085: if (&check_group_priv($group,'egp') eq 'ok') { 4086: $can_edit = 1; 4087: } 4088: return $can_edit; 4089: } 4090: } 4091: my $cid = $env{'request.course.id'}; 4092: my $role = (split(/\./,$env{'request.role'}))[0]; 4093: my $section = $env{'request.course.sec'}; 4094: my $allow_editing_config = 4095: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4096: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4097: $can_edit = 1; 4098: } else { 4099: foreach my $editor (split(/,/,$allow_editing_config)) { 4100: my ($editor_role,$editor_sec) = split(/:/,$editor); 4101: if ($editor_role eq $role 4102: && defined($editor_sec) 4103: && defined($section) 4104: && $editor_sec eq $section) { 4105: $can_edit = 1; 4106: last; 4107: } 4108: if ($editor_role eq $role 4109: && !defined($editor_sec)) { 4110: $can_edit = 1; 4111: } 4112: } 4113: } 4114: return $can_edit; 4115: } 4116: 4117: sub check_group_priv { 4118: my ($group,$grp_priv) = @_; 4119: foreach my $priv ('mdg','vcg') { 4120: my $checkcourse = $env{'request.course.id'}. 4121: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4122: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4123: return 'ok'; 4124: } 4125: } 4126: if ($grp_priv && $group ne '') { 4127: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4128: return 'ok'; 4129: } 4130: } 4131: return ''; 4132: } 4133: 4134: sub group_args { 4135: my ($group) = @_; 4136: if ($group eq '') { return ''; } 4137: my $extra_args = '&group='.$group; 4138: if (exists($env{'form.ref'})) { 4139: $extra_args .= '&ref='.$env{'form.ref'}; 4140: } 4141: return $extra_args; 4142: } 4143: 4144: sub get_resource_title { 4145: my ($symb,$feedurl) = @_; 4146: my ($restitle,$plainurl); 4147: if (defined($symb)) { 4148: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4149: $restitle = &Apache::lonnet::gettitle($plain_symb); 4150: } 4151: if (defined($feedurl)) { 4152: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4153: } 4154: if (!defined($restitle)) { 4155: if (defined($feedurl)) { 4156: $restitle = &Apache::lonnet::gettitle($plainurl); 4157: } 4158: } 4159: if ($plainurl ne $feedurl) { 4160: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4161: if ($plain_filename eq $restitle) { 4162: $restitle = &mt('Untitled resource'); 4163: } 4164: } 4165: if ($restitle eq '') { 4166: $restitle = &mt('Untitled resource'); 4167: } 4168: return $restitle; 4169: } 4170: 4171: 1; 4172: __END__ 4173: 4174: 4175: =pod 4176: 4177: =head1 NAME 4178: 4179: Apache::lonfeedback.pm 4180: 4181: =head1 SYNOPSIS 4182: 4183: Handles feedback from students to instructors and system administrators. 4184: 4185: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4186: 4187: Used by lonmsg.pm. 4188: 4189: This is part of the LearningOnline Network with CAPA project 4190: described at http://www.lon-capa.org. 4191: 4192: =head1 OVERVIEW 4193: 4194: None 4195: 4196: =head1 SUBROUTINES 4197: 4198: =over 4199: 4200: =item discussion_open() 4201: 4202: =item discussion_visible() 4203: 4204: =item list_discussion() 4205: 4206: =item send_feedback_link() 4207: 4208: =item send_message_link() 4209: 4210: =item action_links_bar() 4211: 4212: =item postingform_display() 4213: 4214: =item build_posting_display 4215: 4216: =item filter_regexp() 4217: 4218: =item get_post_contents() 4219: 4220: =item replicate_attachments() 4221: 4222: =item mail_screen() 4223: 4224: =item print_display_options() 4225: 4226: =item print_sortfilter_options() 4227: 4228: =item print_showposters() 4229: 4230: =item get_post_versions() 4231: 4232: =item get_post_attachments() 4233: 4234: =item fail_redirect() 4235: 4236: =item redirect_back() 4237: 4238: =item no_redirect_back() 4239: 4240: =item screen_header() 4241: 4242: =item resource_output() 4243: 4244: =item clear_out_html() 4245: 4246: =item assemble_email() 4247: 4248: =item feedback_available() 4249: 4250: =item send_msg() 4251: 4252: =item adddiscuss() 4253: 4254: =item get_discussion_info() 4255: 4256: =item show_preview() 4257: 4258: =item newline_to_br() 4259: 4260: =item tidy_html() 4261: 4262: =item generate_preview_button() 4263: 4264: =item modify_attachments() 4265: 4266: =item process_attachments() 4267: 4268: =item generate_attachments_button() 4269: 4270: =item extract_attachments() 4271: 4272: =item construct_attachmenturl() 4273: 4274: =item add_blog_checkbox() 4275: 4276: =item has_discussion() 4277: 4278: =item sort_filter_names() 4279: 4280: =item handler() 4281: 4282: =item blocked_reply_or_edit() 4283: 4284: =item wrap_symb() 4285: 4286: =item dewrapper() 4287: 4288: =item get_feedurl() 4289: 4290: =item get_feedurl_and_clean_symb() 4291: 4292: =item editing_allowed() 4293: 4294: =item check_group_priv() 4295: 4296: =item group_args() 4297: 4298: =item get_resource_title() 4299: 4300: =back 4301: 4302: =cut