Annotation of loncom/interface/lonquickgrades.pm, revision 1.18

1.1       bowersj2    1: # The LearningOnline Network with CAPA
                      2: # Quick Student Grades Display
                      3: #
                      4: # $Id:
                      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: # Created Nov. 14, 2002 by Jeremy Bowers
                     29: 
                     30: package Apache::lonquickgrades;
                     31: 
                     32: use strict;
                     33: use Apache::Constants qw(:common :http);
1.5       bowersj2   34: use POSIX;
1.1       bowersj2   35: 
                     36: sub handler {
                     37:     my $r = shift;
1.5       bowersj2   38:     return real_handler($r);
                     39: }
                     40: 
                     41: sub real_handler {
                     42:     my $r = shift;
1.1       bowersj2   43: 
                     44:     &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                     45: 
                     46:     # Handle header-only request
                     47:     if ($r->header_only) {
                     48:         if ($ENV{'browser.mathml'}) {
                     49:             $r->content_type('text/xml');
                     50:         } else {
                     51:             $r->content_type('text/html');
                     52:         }
                     53:         $r->send_http_header;
                     54:         return OK;
                     55:     }
                     56: 
                     57:     # Send header, don't cache this page
                     58:     if ($ENV{'browser.mathml'}) {
                     59:         $r->content_type('text/xml');
                     60:     } else {
                     61:         $r->content_type('text/html');
                     62:     }
                     63:     &Apache::loncommon::no_cache($r);
                     64:     $r->send_http_header;
                     65: 
1.17      bowersj2   66:     my $showPoints = $ENV{'course.'.$ENV{'request.course.id'}.'.grading'} eq 'standard';
                     67: 
1.1       bowersj2   68:     # Create the nav map
1.13      bowersj2   69:     my $navmap = Apache::lonnavmaps::navmap->new(
1.1       bowersj2   70:                         $ENV{"request.course.fn"}.".db",
1.17      bowersj2   71:                         $ENV{"request.course.fn"}."_parms.db", 1, 0, 1);
1.1       bowersj2   72: 
1.7       bowersj2   73:     if (!defined($navmap)) {
                     74:         my $requrl = $r->uri;
                     75:         $ENV{'user.error.msg'} = "$requrl:bre:0:0:Navamp initialization failed.";
                     76:         return HTTP_NOT_ACCEPTABLE;
                     77:     }
                     78: 
1.4       bowersj2   79:     # Keep this hash in sync with %statusIconMap in lonnavmaps; they
                     80:     # should match color/icon
                     81:     my $res = $navmap->firstResource(); # temp resource to access constants
1.1       bowersj2   82:  
                     83:     # Header
1.17      bowersj2   84:     my $title = $showPoints ? "Quick Points Display" : "Quick Completed Problems Display";
                     85:     $r->print(&Apache::loncommon::bodytag($title, '', ''));
1.1       bowersj2   86: 
1.17      bowersj2   87:     if ($showPoints) {
                     88: 	$r->print(<<HEADER);
1.7       bowersj2   89: <p>This screen shows how many problems (or problem parts) you have completed, and
1.8       matthew    90: how many you have not yet done. You can also look at <a href="/adm/studentcalc">a detailed
1.7       bowersj2   91: score sheet</a>.</p>
                     92: HEADER
1.17      bowersj2   93:     } else {
                     94:         $r->print(<<HEADER); 
                     95: <p>This screen shows how many points you have. You can also look at 
                     96: <a href="/adm/studentcalc">a detailed score sheet</a>.</p>
                     97: HEADER
                     98:     }
                     99: 
                    100:     $r->print("<p>This may take a few moments to display.</p>");
                    101: 
                    102:     $r->rflush();
1.7       bowersj2  103: 
1.2       bowersj2  104:     $navmap->init();
                    105: 
1.1       bowersj2  106:     # End navmap using boilerplate
                    107: 
                    108:     my $iterator = $navmap->getIterator(undef, undef, undef, 1);
                    109:     my $depth = 1;
                    110:     $iterator->next(); # ignore first BEGIN_MAP
                    111:     my $curRes = $iterator->next();
1.4       bowersj2  112:     
1.5       bowersj2  113:     # General overview of the following: Walk along the course resources.
                    114:     # For every problem in the resource, tell its parent maps how many
                    115:     # parts and how many parts correct it has. After that, each map will
                    116:     # have a count of the total parts underneath it, correct and otherwise.
                    117:     # After that, we will walk through the course again and read off
                    118:     # maps in order, with their data. 
                    119:     # (If in the future people decide not to be cumulative, only add
                    120:     #  the counts to the parent map.)
1.17      bowersj2  121:     # For convenience, "totalParts" is also "totalPoints" when we're looking
                    122:     #  at points; I can't come up with a variable name that makes sense
                    123:     #  equally for both cases.
1.5       bowersj2  124: 
                    125:     my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
1.14      bowersj2  126:     my $now = time();
1.15      bowersj2  127:     my $topLevelParts = 0; my $topLevelRight = 0;
1.5       bowersj2  128: 
                    129:     # Pre-run: Count parts correct
1.1       bowersj2  130:     while ( $depth > 0 ) {
                    131:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
                    132:         if ($curRes == $iterator->END_MAP()) { $depth--; }
                    133: 
1.7       bowersj2  134:         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
1.5       bowersj2  135:         {
                    136:             # Get number of correct, incorrect parts
                    137:             my $parts = $curRes->parts();
1.14      bowersj2  138:             $totalParts += $curRes->countParts();
1.5       bowersj2  139:             my $partsRight = 0;
1.17      bowersj2  140: 	    my $partsCount = 0;
1.5       bowersj2  141:             my $stack = $iterator->getStack();
                    142:             
                    143:             for my $part (@{$parts}) {
1.17      bowersj2  144: 		if ($showPoints) {
1.18    ! bowersj2  145: 		    my $score = $curRes->weight($part) * $curRes->awarded($part);
1.17      bowersj2  146: 		    $partsRight += $score;
                    147: 		    $totalRight += $score;
                    148: 		    $partsCount += $curRes->weight();
1.18    ! bowersj2  149: 
1.17      bowersj2  150: 		    if ($curRes->opendate($part) < $now) {
                    151: 			$totalPossible += $curRes->weight();
                    152: 		    }
                    153: 		} else {
                    154: 		    my $status = $curRes->getCompletionStatus($part);
                    155: 		    my $thisright = 0;
                    156: 		    $partsCount++;
                    157: 		    if ($status == $curRes->CORRECT || 
                    158: 			$status == $curRes->CORRECT_BY_OVERRIDE || 
                    159: 			$status == $curRes->EXCUSED || 
                    160: 			$status == $curRes->ANSWER_SUBMITTED) {
                    161: 			$partsRight++;
                    162: 			$totalRight++;
                    163: 			$thisright = 1;
                    164: 		    }
                    165: 		    
                    166: 		    my $dateStatus = $curRes->getDateStatus($part);
                    167: 		    if ($curRes->opendate($part) < $now) {
                    168: 			$totalPossible++;
                    169: 		    }
                    170: 		}
1.5       bowersj2  171:             }
1.15      bowersj2  172: 
                    173:             if ($depth == 1) { # in top-level only
                    174: 		$topLevelParts += scalar(@{$parts});
                    175: 		$topLevelRight += $partsRight;
                    176: 		$r->print($curRes->compTitle() . '<br>');
                    177: 	    }
                    178: 
1.5       bowersj2  179:             # Crawl down stack and record parts correct and total
                    180:             for my $res (@{$stack}) {
                    181:                 if (ref($res) && $res->is_map()) {
                    182:                     if (!defined($res->{DATA}->{CHILD_PARTS})) {
                    183:                         $res->{DATA}->{CHILD_PARTS} = 0;
                    184:                         $res->{DATA}->{CHILD_CORRECT} = 0;
                    185:                     }
                    186:                     
1.17      bowersj2  187:                     $res->{DATA}->{CHILD_PARTS} += $partsCount;
1.5       bowersj2  188:                     $res->{DATA}->{CHILD_CORRECT} += $partsRight;
                    189:                 }
                    190:             }
                    191:         }
                    192:         $curRes = $iterator->next();
                    193:     }
                    194: 
                    195:     $iterator = $navmap->getIterator(undef, undef, undef, 1);
1.9       matthew   196:     $depth = 1;
1.5       bowersj2  197:     $iterator->next(); # ignore first BEGIN_MAP
1.9       matthew   198:     $curRes = $iterator->next();
1.5       bowersj2  199: 
1.7       bowersj2  200:     my @start = (255, 255, 192);
1.5       bowersj2  201:     my @end   = (0, 192, 0);
                    202: 
                    203:     my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
                    204: 
                    205:     # Second pass: Print the maps.
                    206:     $r->print('<table cellspacing="3" border="2"><tr><td align="center"><b>Sequence</b></td>');
1.11      albertel  207:     $r->print('<td align="center">Done / Total</td><tr>' . "\n\n");
1.5       bowersj2  208:     while ($depth > 0) {
                    209:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
                    210:         if ($curRes == $iterator->END_MAP()) { $depth--; }
                    211: 
                    212:         if (ref($curRes) && $curRes->is_map()) {
                    213:             my $title = $curRes->compTitle();
                    214:             
                    215:             my $correct = $curRes->{DATA}->{CHILD_CORRECT};
                    216:             my $total = $curRes->{DATA}->{CHILD_PARTS};
                    217: 
1.6       bowersj2  218:             if ($total > 0) {
                    219:                 my $ratio;
                    220:                 $ratio = $correct / $total;
                    221:                 my $color = mixColors(\@start, \@end, $ratio);
                    222:                 $r->print("<tr><td bgcolor='$color'>");
                    223:                 
1.15      bowersj2  224: 		my $thisIndent = '';
                    225:                 for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
1.6       bowersj2  226:                 
1.15      bowersj2  227:                 $r->print("$thisIndent$title</td>");
                    228:                 $r->print("<td valign='top'>$thisIndent<nobr>$correct / $total</nobr></td></tr>\n");
1.6       bowersj2  229:             }
1.5       bowersj2  230:         }
1.4       bowersj2  231: 
1.5       bowersj2  232:         $curRes = $iterator->next();
                    233:     }
1.4       bowersj2  234: 
1.6       bowersj2  235:     # If there were any problems at the top level, print an extra "catchall"
1.15      bowersj2  236:     if ($topLevelParts > 0) {
                    237:         my $ratio = $topLevelRight / $topLevelParts;
1.6       bowersj2  238:         my $color = mixColors(\@start, \@end, $ratio);
                    239:         $r->print("<tr><td bgcolor='$color'>");
1.15      bowersj2  240:         $r->print("Problems Not Contained In A Folder</td><td>");
                    241:         $r->print("$topLevelRight / $topLevelParts</td></tr>");
1.6       bowersj2  242:     }
1.4       bowersj2  243: 
1.6       bowersj2  244:     my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
1.1       bowersj2  245: 
1.17      bowersj2  246:     $title = $showPoints ? "Points" : "Parts Done";
                    247: 
                    248:     $r->print("<tr><td colspan='2' align='right'>Total $title: <b>$totalRight</b><br>");
1.6       bowersj2  249:     $r->print("Max Possible To Date $maxHelpLink: <b>$totalPossible</b><br>");
1.17      bowersj2  250:     $title = $showPoints ? "Points" : "Parts";
                    251:     $r->print("Total $title In Course: <b>$totalParts</b></td></tr>\n\n");
1.2       bowersj2  252: 
1.1       bowersj2  253: 
1.5       bowersj2  254:     $r->print("</table></body></html>");
1.1       bowersj2  255: 
1.3       bowersj2  256:     $navmap->untieHashes();
                    257: 
1.1       bowersj2  258:     return OK;
1.5       bowersj2  259: }
                    260: 
                    261: # Pass this two refs to arrays for the start and end color, and a number
                    262: # from 0 to 1 for how much of the latter you want to mix in. It will
                    263: # return a string ready to show ("#FFC309");
                    264: sub mixColors {
                    265:     my $start = shift;
                    266:     my $end = shift;
                    267:     my $ratio = shift;
                    268:     
1.9       matthew   269:     my ($a,$b);
1.5       bowersj2  270:     my $final = "";
1.9       matthew   271:     $a = $start->[0]; $b = $end->[0];
1.5       bowersj2  272:     my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1.9       matthew   273:     $a = $start->[1]; $b = $end->[1];
1.5       bowersj2  274:     my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1.9       matthew   275:     $a = $start->[2]; $b = $end->[2];
1.5       bowersj2  276:     my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
                    277: 
1.16      bowersj2  278:     $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
1.5       bowersj2  279:     return "#" . $final;
1.1       bowersj2  280: }
                    281: 
                    282: 1;

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