1: # The LearningOnline Network
2: # RSS Feeder
3: #
4: # $Id: lonrss.pm,v 1.46 2009/02/26 16:17:29 schafran 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: package Apache::lonrss;
30:
31: use strict;
32: use LONCAPA;
33: use Apache::Constants qw(:common);
34: use Apache::loncommon;
35: use Apache::lonnet;
36: use Apache::lontexconvert;
37: use Apache::lonlocal;
38: use Apache::lonhtmlcommon;
39: use Apache::inputtags();
40:
41: sub filterfeedname {
42: my $filename=shift;
43: $filename=~s/(\_rss\.html|\.rss)$//;
44: $filename=~s/\W//g;
45: $filename=~s/\_rssfeed$//;
46: $filename=~s/^nohist\_//;
47: return $filename;
48: }
49:
50: sub feedname {
51: return 'nohist_'.&filterfeedname(shift).'_rssfeed';
52: }
53:
54: sub displayfeedname {
55: my ($rawname,$uname,$udom)=@_;
56: my $filterfilename=&filterfeedname($rawname);
57: # do we have a stored name?
58: my %stored=&Apache::lonnet::get('nohist_all_rss_feeds',[$filterfilename,'feed_display_option_'.$filterfilename],$udom,$uname);
59: if ($stored{$filterfilename}) { return ($stored{$filterfilename},$stored{'feed_display_option_'.$filterfilename}); }
60: # no, construct a name
61: my $name=$filterfilename;
62: if ($name=~/^CourseBlog/) {
63: $name=&mt('Course Blog');
64: if ($env{'course.'.$env{'request.course.id'}.'.description'}) {
65: $name.=' '.$env{'course.'.$env{'request.course.id'}.'.description'};
66: }
67: } else {
68: $name=~s/\_/ /g;
69: }
70: return ($name,$stored{'feed_display_option_'.$filterfilename});
71: }
72:
73: sub namefeed {
74: my ($rawname,$uname,$udom,$newname)=@_;
75: return &Apache::lonnet::put('nohist_all_rss_feeds',
76: { &filterfeedname($rawname) => $newname },
77: $udom,$uname);
78: }
79:
80: sub changefeeddisplay {
81: my ($rawname,$uname,$udom,$newstatus)=@_;
82: return &Apache::lonnet::put('nohist_all_rss_feeds',
83: { 'feed_display_option_'.&filterfeedname($rawname) => $newstatus },
84: $udom,$uname);
85: }
86:
87: sub advertisefeeds {
88: my ($uname,$udom,$edit)=@_;
89: my $feeds='';
90: my %feednames=&Apache::lonnet::dump('nohist_all_rss_feeds',$udom,$uname);
91: my $mode='public';
92: if ($edit) {
93: $mode='adm';
94: }
95: my $server = &Apache::lonnet::absolute_url();
96: foreach my $feed (sort(keys(%feednames))) {
97: next if ($feed =~/^\s*$/ ||
98: $feed =~ /^error:/ ||
99: $feed =~ /^feed_display_option_/);
100:
101: my $feedurl= $server.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
102: my $htmlurl= $server.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';
103: if ($feednames{'feed_display_option_'.$feed} eq 'hidden') {
104: if ($edit) {
105: $feeds.='<li><i>'.$feednames{$feed}.'</i><br />'.&mt('Hidden').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a></li>';
106: }
107: } else {
108: $feeds.='<li><b>'.$feednames{$feed}.
109: '</b><br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$feednames{$feed}.' HTML</tt></a>'.
110: '<br />'.&mt('Public RSS/podcast (subscribe to)').': <a href="'.$feedurl.'"><tt>'.$feednames{$feed}.' RSS/Podcast</tt></a></li>';
111: }
112: }
113: if ($feeds) {
114: return '<h4>'.&mt('Available RSS Feeds and Blogs').'</h4><ul>'.$feeds.'</ul>';
115: } else {
116: return '';
117: }
118: }
119:
120: sub rss_link {
121: my ($uname,$udom)=@_;
122: my $result;
123: my $server = &Apache::lonnet::absolute_url();
124: my %feednames=&Apache::lonnet::dump('nohist_all_rss_feeds',$udom,$uname);
125: foreach my $feed (sort(keys(%feednames))) {
126: next if ($feed =~/^\s*$/ ||
127: $feed =~ /^error:/ ||
128: $feed =~/^feed_display_option_/ );
129: my $url= $server.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
130: my $title = $feed;
131: $title =~ s/_/ /g;
132: $result.=qq|
133: <link rel="alternate" type="application/rss+xml" title="$title" href="$url" />
134: |;
135: }
136: return $result;
137: }
138:
139: {
140: my $feedcounter;
141: sub get_new_feed_id {
142: $feedcounter++;
143: return time().'00000'.$$.'00000'.$feedcounter;
144: }
145: }
146:
147: sub addentry {
148: my $id=&get_new_feed_id();
149: return &editentry($id,@_);
150: }
151:
152: sub editentry {
153: my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;
154: if ($status eq 'deleted') {
155: return &changestatus($id,$uname,$udom,$filename,$status);
156: }
157: my $feedname=&feedname($filename);
158: &Apache::lonnet::put('nohist_all_rss_feeds',
159: { &filterfeedname($filename) =>
160: (&displayfeedname($filename,$uname,$udom))[0] },
161: $udom,$uname);
162: return &Apache::lonnet::put($feedname,{
163: $id.'_title' => $title,
164: $id.'_description' => $description,
165: $id.'_link' => $url,
166: $id.'_enclosureurl' => $encurl,
167: $id.'_enclosuretype' => $enctype,
168: $id.'_status' => $status},$udom,$uname);
169: }
170:
171: sub changestatus {
172: my ($id,$uname,$udom,$filename,$status)=@_;
173: my $feedname=&feedname($filename);
174: if ($status eq 'deleted') {
175: return &Apache::lonnet::del($feedname,[$id.'_title',
176: $id.'_description',
177: $id.'_link',
178: $id.'_enclosureurl',
179: $id.'_enclosuretype',
180: $id.'_status'],$udom,$uname);
181: } else {
182: return &Apache::lonnet::put($feedname,{$id.'_status' => $status},$udom,$uname);
183: }
184: }
185:
186: sub changed_js {
187: return <<ENDSCRIPT;
188: <script type="text/javascript">
189: function changed(tform,id) {
190: tform.elements[id+"_modified"].checked=true;
191: }
192: </script>
193: ENDSCRIPT
194: }
195:
196: sub determine_enclosure_types {
197: my ($url)=@_;
198: my ($ending)=($url=~/\.(\w+)$/);
199: return &Apache::loncommon::filemimetype($ending);
200: }
201:
202: sub course_blog_link {
203: my ($id,$title,$description,$url,$encurl,$enctype)=@_;
204: if ($env{'request.course.id'}) {
205: return &add_blog_entry_link($id,
206: $env{'course.'.$env{'request.course.id'}.'.num'},
207: $env{'course.'.$env{'request.course.id'}.'.domain'},
208: 'Course_Announcements',
209: $title,$description,$url,'public',$encurl,$enctype,
210: &mt('Add to Course Announcements'));
211: } else {
212: return '';
213: }
214: }
215:
216: sub add_blog_entry_link {
217: my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype,$linktext)=@_;
218: return "<a href='/adm/$udom/$uname/".&filterfeedname($filename).'_rss.html?queryid='.
219: &escape($id).
220: '&title='.&escape($title).
221: '&description='.&escape($description).
222: '&url='.&escape($url).
223: '&status='.&escape($status).
224: '&encurl='.&escape($encurl).
225: '&enctype='.&escape($enctype).
226: "'>".$linktext.'</a>';
227:
228: }
229:
230: sub blocking_blogdisplay {
231: my ($uname,$udom,$html,$filterfeedname) = @_;
232: my $user = &Apache::loncommon::plainname($uname,$udom);
233: if ($html) {
234: $user = &Apache::loncommon::aboutmewrapper($user,$uname,$udom);
235: } else {
236: $user = $user.' ('.$uname.':'.$udom.')';
237: }
238: my %setters;
239: my ($blocked,$output,$blockcause);
240: my ($startblock,$endblock) =
241: &Apache::loncommon::blockcheck(\%setters,'blogs');
242: if ($startblock && $endblock) {
243: $blockcause = 'user';
244: } else {
245: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
246: ($startblock,$endblock) =
247: &Apache::loncommon::blockcheck(\%setters,'blogs',
248: $uname,$udom);
249: $blockcause = 'blogowner';
250: }
251: }
252: if ($startblock && $endblock) {
253: $blocked = 1;
254: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
255: my $showend = &Apache::lonlocal::locallocaltime($endblock);
256: $output = &mt('Blogs belonging to [_1] are unavailable from [_2] to [_3].',$user,$showstart,$showend);
257: if ($html) {$output.='<br />';}
258: if ($blockcause eq 'user') {
259: $output .= &mt('This is because you are a student in one or more courses in which communication is being blocked.');
260: if ($html) {
261: $output .= '<br />'.
262: &Apache::loncommon::build_block_table($startblock,
263: $endblock,\%setters);
264: }
265: } else {
266: $output .= &mt('This is because the blog owner is a student in one or more courses in which communication is being blocked.');
267: }
268: if (!$html) {
269: my $id = &get_new_feed_id();
270: $output = '<title/><item><title/><description>'.$output."</description><link/><guid isPermaLink='false'>".$id.$filterfeedname.'_'.$udom.'_'.$uname.'</guid></item>';
271: }
272: }
273: return ($blocked,$output);
274: }
275:
276: sub handler {
277: my ($r) = @_;
278:
279: my $edit=0;
280: my $html=0;
281: my (undef,$mode,$udom,$uname,$filename)=split(/\//,$r->uri);
282: if (($mode eq 'adm') && ($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
283: $edit=1;
284: $html=1;
285: }
286: if (($mode eq 'adm') && (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
287: $edit=1;
288: $html=1;
289: }
290: if ($filename=~/\.html$/) {
291: $html=1;
292: }
293: if ($html) {
294: &Apache::loncommon::content_type($r,'text/html');
295: } else {
296: # Workaround Mozilla/Firefox
297: # &Apache::loncommon::content_type($r,'application/rss+xml');
298: &Apache::loncommon::content_type($r,'text/xml');
299: }
300: $r->send_http_header;
301: return OK if $r->header_only;
302:
303: my $filterfeedname=&filterfeedname($filename);
304: my $feedname=&feedname($filename);
305: my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
306: my ($blocked,$blocktext,$disabled,$disabletext);
307: if (!&Apache::lonnet::is_course($udom,$uname)) {
308: ($blocked,$blocktext) = &blocking_blogdisplay($uname,$udom,$html,$filterfeedname);
309: if (&Apache::lonnet::usertools_access($uname,$udom,'blog')) {
310: $disabled = 0;
311: } else {
312: $disabled = 1;
313: if ($html) {
314: $disabletext = '<h2>'.&mt('No user blog available') .'</h2>'.
315: &mt('This is a result of one of the following:').'<ul>'.
316: '<li>'.&mt('The administrator of this domain has disabled blog functionality for this specific user.').'</li>'.
317: '<li>'.&mt('The domain has been configured to disable, by default, blog functionality for all users in the domain.').'</li>'.
318: '</ul>';
319: } else {
320: $disabletext = &mt('No user blog available');
321: }
322: }
323: }
324: if ($html) {
325: # my $title = $displayfeedname?$displayfeedname:"Available RSS Feeds and Blogs";
326: my $title = "My Space";
327: my $rss_link = &Apache::lonrss::rss_link($uname,$udom);
328: my $brcrumb = [{href=>$rss_link,text=>"Available RSS Feeds and Blogs"}];
329: $r->print(&Apache::loncommon::start_page($title,$rss_link,
330: {'bread_crumbs' => $brcrumb,
331: 'domain' => $udom,
332: 'force_register' => $env{'form.register'}}).
333: &changed_js());
334: } else { # render RSS
335: my $server = &Apache::lonnet::absolute_url();
336: $r->print("<rss version='2.0' xmlns:dc='http://purl.org/dc/elements/1.1'>\n<channel>".
337: "\n".'<link>'.$server.'/public/'.$udom.'/'.$uname.'/'.
338: $filterfeedname.'_rss.html</link>'.
339: "\n<description>".
340: &mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').
341: '</description>');
342: }
343: # This will be the entry id for new additions to the blog
344: my $newid = &get_new_feed_id();
345: # Is this user for real?
346: my $homeserver=&Apache::lonnet::homeserver($uname,$udom);
347: if ($html && !$blocked && !$disabled) {
348: # Any new feeds or renaming of feeds?
349: if ($edit) {
350: # Hide a feed?
351: if ($env{'form.hidethisblog'}) {
352: &changefeeddisplay($feedname,$uname,$udom,'hidden');
353: ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
354: }
355: # Advertise a feed?
356: if ($env{'form.advertisethisblog'}) {
357: &changefeeddisplay($feedname,$uname,$udom,'public');
358: ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
359: }
360: # New feed?
361: if ($env{'form.namenewblog'}=~/\w/) {
362: &namefeed($env{'form.namenewblog'},$uname,$udom,$env{'form.namenewblog'});
363: }
364: # Old feed that is being renamed?
365: if (($displayfeedname) && ($env{'form.newblogname'}=~/\w/)) {
366: if ($env{'form.newblogname'} ne $displayfeedname) {
367: &namefeed($feedname,$uname,$udom,$env{'form.newblogname'});
368: ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
369: }
370: }
371: }
372: $r->print(&advertisefeeds($uname,$udom,$edit));
373: }
374: if ($homeserver eq 'no_host') {
375: $r->print(($html?'<h3>':'<title>').&mt('No feed available').($html?'</h3>':'</title>'));
376: } elsif ($blocked) {
377: $r->print($blocktext);
378: $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
379: } elsif ($disabled) {
380: $r->print($disabletext);
381: $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
382: } else { # is indeed a user
383: # Course or user?
384: my $name='';
385: if (&Apache::lonnet::is_course($udom,$uname)) {
386: my %cenv=&Apache::lonnet::dump('environment',$udom,$uname);
387: $name=$cenv{'description'};
388: } else {
389: $name=&Apache::loncommon::nickname($uname,$udom);
390: }
391: # Add a new feed
392: if (($html) && ($edit)) {
393: $r->print('<form method="post" name="makenewfeed">');
394: $r->print(&mt('Name').": <input type='text' size='40' name='namenewblog' />");
395: $r->print('<input type="submit" value="'.&mt('New Feed').'" />');
396: $r->print('</form>');
397: }
398: if ($displayfeedname) { # this is an existing feed
399: # Anything to store?
400: if ($edit) {
401: # check if this was called with a query string
402: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['queryid']);
403: if ($env{'form.queryid'}) {
404: # yes, collect the remainder
405: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
406: ['title',
407: 'description',
408: 'url',
409: 'status',
410: 'enclosureurl',
411: 'enclosuretype']);
412:
413: # my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;
414:
415:
416: &editentry($env{'form.queryid'},
417: $uname,$udom,$filename,
418: $env{'form.title'},
419: $env{'form.description'},
420: $env{'form.url'},
421: $env{'form.status'},
422: $env{'form.encurl'},
423: $env{'form.enctype'}
424: );
425: }
426:
427: # store away the fields modified in the online form
428: my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
429: foreach my $entry (sort(keys(%newsfeed)),$env{'form.newid'}.'_status') {
430: if ($entry=~/^(\d+)\_status$/) {
431: my $id=$1;
432: if ($env{'form.'.$id.'_modified'}) {
433: &editentry($id,$uname,$udom,$feedname,
434: $env{'form.'.$id.'_title'},
435: $env{'form.'.$id.'_description'},
436: $env{'form.'.$id.'_link'},
437: $env{'form.'.$id.'_status'},
438: $env{'form.'.$id.'_enclosureurl'},
439: $env{'form.'.$id.'_enclosuretype'},
440: );
441: }
442: }
443: }
444:
445: # see if we have any uploaded or portfolio files
446: my @uploadeditems=();
447:
448: if ($env{'form.HWFILE0_0'}) {
449: # We have an uploaded file - store it away.
450: $uploadeditems[0]=&Apache::lonnet::userfileupload('HWFILE0_0',undef,'portfolio/podcasts');
451: }
452: if ($env{'form.HWPORT0_0'}) {
453: # Selected portfolio files
454: foreach my $filename (split(/\,/,$env{'form.HWPORT0_0'})) {
455: if ($filename) {
456: # construct full path and remember
457: push(@uploadeditems,'/uploaded/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/portfolio'.$filename);
458: }
459: }
460: }
461: # the zeroth item should be stored together with the last displayed (newid) field
462: if ($uploadeditems[0]) {
463: my $id=$env{'form.newid'};
464: &editentry($id,$uname,$udom,$feedname,
465: $env{'form.'.$id.'_title'},
466: $env{'form.'.$id.'_description'},
467: $env{'form.'.$id.'_link'},
468: $env{'form.'.$id.'_status'},
469: $uploadeditems[0],
470: &Apache::loncommon::filemimetype(($uploadeditems[0]=~/\.(\w+)$/)[0]),
471: );
472: &Apache::lonnet::make_public_indefinitely($uploadeditems[0]);
473: }
474: # if there are more files, they need new entries, since each can only have one enclosure
475: for (my $i=1; $i<=$#uploadeditems; $i++) {
476: my $id = &get_new_feed_id().$i;
477: &editentry($id,$uname,$udom,$feedname,
478: 'New Entry',
479: '',
480: '',
481: 'public',
482: $uploadeditems[$i],
483: &Apache::loncommon::filemimetype(($uploadeditems[$i]=~/\.(\w+)$/)[0]),
484: );
485: &Apache::lonnet::make_public_indefinitely($uploadeditems[$i]);
486: }
487: } #done storing
488:
489: # Render private items?
490: my $viewpubliconly=1;
491: $r->print("\n".
492: ($html?'<hr /><h3>':'<title>').
493: &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).
494: ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':'').
495: ($html?'</h3>'.($edit?'<form method="post" name="lonhomework" enctype="multipart/form-data"><br />'.
496: &mt('Name of this Feed').
497: ': <input type="text" size="50" name="newblogname" value="'.
498: $displayfeedname.'" />':'').'<ul>':'</title>'));
499: if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
500: $viewpubliconly=0;
501: }
502: # Get feed items
503: my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
504: foreach my $entry (sort {$b cmp $a} (keys(%newsfeed)),$newid.'_status') {
505: if ($entry=~/^(\d+)\_status$/) { # is an entry
506: my $id=$1;
507: if ($edit) {
508: my %lt=&Apache::lonlocal::texthash('public' => 'public',
509: 'private' => 'private',
510: 'hidden' => 'hidden',
511: 'delete' => 'delete',
512: 'store' => 'Select',
513: 'title' => 'Title',
514: 'link' => 'Link',
515: 'description' => 'Description',
516: 'enc' => 'Podcasted enclosure');
517: my $uploadlink;
518: if ($entry==$newid) {
519: # Generate upload link only for last (new) entry
520: $uploadlink=&Apache::inputtags::file_selector(0,0,'*','both');
521: } else {
522: # Otherwise, display
523: $uploadlink='<tt>'.$newsfeed{$id.'_enclosureurl'}.'</tt>'.
524: "<input type='hidden' name='$id\_enclosureurl' value='$newsfeed{$id.'_enclosureurl'}' />".
525: "<input type='hidden' name='$id\_enclosuretype' value='$newsfeed{$id.'_enclosuretype'}' />";
526: }
527: my %status=();
528: unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }
529: $status{$newsfeed{$id.'_status'}}='checked="checked"';
530: $r->print(<<ENDEDIT);
531: <li>
532: <label><input name='$id\_modified' type='checkbox' value="modified" /> $lt{'store'}</label>
533:
534: <label><input name='$id\_status' type="radio" value="public" $status{'public'} onClick="changed(this.form,'$id');" /> $lt{'public'}</label>
535:
536: <label><input name='$id\_status' type="radio" value="private" $status{'private'} onClick="changed(this.form,'$id');" /> $lt{'private'}</label>
537:
538: <label><input name='$id\_status' type="radio" value="hidden" $status{'hidden'} onClick="changed(this.form,'$id');" /> $lt{'hidden'}</label>
539:
540: <label><input name='$id\_status' type="radio" value="deleted" onClick="changed(this.form,'$id');" /> $lt{'delete'}</label>
541: <br />
542: $lt{'title'}:
543: <input name='$id\_title' type='text' size='60' value='$newsfeed{$id.'_title'}' onChange="changed(this.form,'$id');" /><br />
544: $lt{'description'}:<br />
545: <textarea name='$id\_description' rows="6" cols="80" onChange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />
546: $lt{'link'}:
547: <input name='$id\_link' type='text' size='60' value='$newsfeed{$id.'_link'}' onChange="changed(this.form,'$id');" /><br />
548: $lt{'enc'} -
549: $uploadlink
550: <hr /></li>
551: ENDEDIT
552: } else { # not in edit mode, just displaying
553: if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }
554: if ($newsfeed{$id.'_status'} eq 'hidden') { next; }
555: my $link = $newsfeed{$id.'_link'};
556: if ($link =~ m|^/| ) {
557: $link = "http://".$ENV{'HTTP_HOST'}.$link;
558: }
559: $r->print("\n".($html?"\n<li><b>":"<item>\n<title>").$newsfeed{$id.'_title'}.
560: ($html?"</b><br />\n":"</title>\n<description>").
561: $newsfeed{$id.'_description'}.
562: ($html?"<br />":"</description>\n").
563: ($link?($html?"\n<a href='":"<link>").
564: $link.
565: ($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\n"):''));
566: my $enclosure=$newsfeed{$id.'_enclosureurl'};
567: # Enclosure? Get stats
568: if ($enclosure) {
569: my @stat=&Apache::lonnet::stat_file($enclosure);
570: if ($stat[7]) {
571: # Has non-zero length (and exists)
572: my $enclosuretype=$newsfeed{$id.'_enclosuretype'};
573: if ($enclosure =~ m|^/| ) {
574: $enclosure = "http://".$ENV{'HTTP_HOST'}.$enclosure;
575: }
576: $r->print(($html?"<a href='":"\n<enclosure url='").
577: $enclosure."' length='".$stat[7].
578: "' type='".$enclosuretype.($html?"'>".&mt('Enclosure')."</a>":"' />"));
579: }
580: }
581: if ($html) { # is HTML
582: $r->print("\n<hr /></li>\n");
583: } else { # is RSS
584: $r->print("\n<guid isPermaLink='false'>".$id.$filterfeedname.'_'.$udom.'_'.$uname."</guid></item>\n");
585: }
586: } # end of "in edit mode"
587: } # end of rendering a real entry
588: } # end of loop through all keys
589: if ($html) {
590: $r->print('</ul>');
591: if ($edit) {
592: $r->print('<input type="hidden" name="newid" value="'.$newid.'"/><input type="submit" value="'.&mt('Save Selected').'" />'.
593: ($displayoption eq 'hidden'?'<input type="submit" name="advertisethisblog" value="'.&mt('Advertise this Feed').'" />':
594: '<input type="submit" name="hidethisblog" value="'.&mt('Hide this Feed').'" />'));
595: }
596: }
597: } # was a real display feedname
598: $r->print(($html?'</form>'.&Apache::loncommon::end_page():'</channel></rss>'."\n"));
599: } # a real user
600: return OK;
601: } # end handler
602: 1;
603: __END__
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