File:  [LON-CAPA] / loncom / interface / Attic / lonchart.pm
Revision 1.38: download - view: text, annotated - select for diffs
Thu May 9 17:06:09 2002 UTC (22 years, 4 months ago) by www
Branches: MAIN
CVS tags: HEAD
Implemented links according to bug 421.
Also, inserted &symbclean on artificially created symb to "de-version"

    1: # The LearningOnline Network with CAPA
    2: # (Publication Handler
    3: #
    4: # $Id: lonchart.pm,v 1.38 2002/05/09 17:06:09 www 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: # Homework Performance Chart
   29: #
   30: # (Navigate Maps Handler
   31: #
   32: # (Page Handler
   33: #
   34: # (TeX Content Handler
   35: # YEAR=2000
   36: # 05/29/00,05/30 Gerd Kortemeyer)
   37: # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
   38: # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
   39: # YEAR=2001
   40: # 3/1/1,6/1,17/1,29/1,30/1,31/1 Gerd Kortemeyer)
   41: # 7/10/01 Behrouz Minaei
   42: # 9/8 Gerd Kortemeyer
   43: # 10/1, 10/19, 11/17, 11/22, 11/24, 11/28 12/18 Behrouz Minaei
   44: # YEAR=2002
   45: # 2/1, 2/6, 2/19, 2/28 Behrouz Minaei
   46: #
   47: ###
   48: 
   49: package Apache::lonchart;
   50: 
   51: use strict;
   52: use Apache::Constants qw(:common :http);
   53: use Apache::lonnet();
   54: use Apache::loncommon();
   55: use HTML::TokeParser;
   56: use GDBM_File;
   57: 
   58: # -------------------------------------------------------------- Module Globals
   59: my %hash;
   60: my %CachData;
   61: my @cols;
   62: my @rowlabels;
   63: my @students;
   64: my @PreCol;
   65: my $r;
   66:  
   67: # ------------------------------------------------------------- Find out status
   68: 
   69: sub ExtractStudentData {
   70:     my ($index,$coid)=@_;
   71:     my ($sname,$sdom) = split( /\:/, $students[$index] );
   72:     my $shome=&Apache::lonnet::homeserver( $sname,$sdom );          
   73:     my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
   74:     my %result=();
   75:     my $ResId;
   76:     my $Code;
   77:     my $Tries;
   78:     my $Wrongs;
   79:     my %TempHash;
   80:     my $Version;
   81:     my $ProbNo;
   82:     my $ProbSolved;
   83:     my $ProbTotal;
   84:     my $LatestVersion;                     
   85:     my $Str=substr($students[$index].
   86:             '                                                        ',0,14).' ! '.
   87:             substr($rowlabels[$index].
   88:             '                                                        ',0,45).' ! ';
   89:     unless ($reply=~/^error\:/) {
   90:         foreach (split(/\&/,$reply)) {
   91:             my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
   92:             $result{$name}=$value;
   93:         }
   94: 	$ProbNo = 0;
   95: 	$ProbTotal = 0;
   96:         $ProbSolved = 0;
   97: 	my $IterationNo = 0;
   98:         foreach $ResId (@cols) {
   99: 	    if ($IterationNo == 0) {$IterationNo++; next;}
  100: 	    if (!$ResId) { 
  101: 		my $PrNo = sprintf( "%3d", $ProbNo );
  102: 		$Str .= ' '.'<font color="#007700">'.$PrNo.'</font> ';
  103: 		$ProbSolved += $ProbNo;
  104: 		$ProbNo=0;
  105: 		next; 
  106: 	    }
  107:             $ResId=~/(\d+)\.(\d+)/;
  108: 	    my $meta=$hash{'src_'.$ResId};
  109: 	    my $PartNo = 0;
  110: 	    undef %TempHash;
  111: 	    foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
  112: 		if ($_=~/^stores\_(\d+)\_tries$/) {
  113:                     my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
  114: 		    if ( $TempHash{"$Part"} eq '' ) { 
  115: 			$TempHash{"$Part"} = $Part;
  116: 			$TempHash{$PartNo}=$Part;
  117: 			$TempHash{"$Part.Code"} = ' ';  
  118: 			$PartNo++;
  119: 		    }
  120: 		}
  121:             }
  122: 
  123:             my $Prob = &Apache::lonnet::symbclean(
  124:                        &Apache::lonnet::declutter( $hash{'map_id_'.$1} ).
  125:                        '___'.$2.'___'.
  126:                        &Apache::lonnet::declutter( $hash{'src_'.$ResId} ));
  127:             $Code=' ';
  128:             $Tries = 0;
  129:   	    $LatestVersion = $result{"version:$Prob"};
  130: 
  131:             if ( $LatestVersion ) {
  132: 		for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
  133: 		    my $vkeys = $result{"$Version:keys:$Prob"};
  134: 		    my @keys = split(/\:/,$vkeys);		  
  135: 
  136: 		    foreach my $Key (@keys) {		  
  137: 			if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
  138: 			    my $Part = $1;
  139: 			    $Tries = $result{"$Version:$Prob:resource.$Part.tries"};
  140: 			    $TempHash{"$Part.Tries"}=($Tries) ? $Tries : 0;
  141: 			    my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
  142: 			    if ($Val eq 'correct_by_student'){$Code='*';} 
  143: 			    elsif ($Val eq 'correct_by_override'){$Code = '+';}                        
  144: 			    elsif ($Val eq 'incorrect_attempted'){$Code = '.';} 
  145: 			    elsif ($Val eq 'incorrect_by_override'){$Code = '-';}
  146: 			    elsif ($Val eq 'excused'){$Code = 'x';}
  147: 			    elsif ($Val eq 'ungraded_attempted'){$Code = '#';}
  148: 			    else {$Code = ' ';}
  149: 			    $TempHash{"$Part.Code"} = $Code;
  150: 			}
  151:       		    }
  152:                 }
  153: # Actually append problem to output (all parts)
  154:                 $Str.='<a href="/adm/grades?symb='.
  155:                 &Apache::lonnet::escape($Prob).
  156:                 '&student='.$sname.'&domain='.$sdom.'&command=submission">'; 
  157: 		for ( my $n = 0; $n < $PartNo; $n++ ) {		  
  158: 		    my $part = $TempHash{$n};
  159: 		    my $Code = $TempHash{"$part.Code"};
  160:                     if ( $Code eq '*') {
  161: 			$ProbNo++;
  162:                         if (($TempHash{"$part.Tries"}<10) ||
  163:                             ($TempHash{"$part.Tries"} eq '')) {
  164: 			    $TempHash{"$part.Code"}=$TempHash{"$part.Tries"};
  165: 			}
  166:                     }
  167: 		    elsif ( $Code eq '+' ) {$ProbNo++;}
  168: 		    $Str .= $TempHash{"$part.Code"};
  169: 		    if ( $Code ne 'x' ) {$ProbTotal++;}
  170: 		}
  171:                 $Str.='</a>';
  172:             }   
  173: 	    else {
  174: 		for(my $n=0; $n<$PartNo; $n++) {
  175: 		    $Str.=' ';
  176: 		    $ProbTotal++;
  177: 		}
  178: 	    }
  179:         } 
  180:     }
  181:     my $PrTot = sprintf( "%5d", $ProbTotal );
  182:     my $PrSvd = sprintf( "%5d", $ProbSolved );
  183:     $Str .= ' '.'<font color="#000088">'.$PrSvd.'  /'.$PrTot.'</font> ';
  184: 
  185:     return $Str ;
  186: }
  187: 
  188: 
  189: # ------------------------------------------------------------ Build page table
  190: 
  191: sub tracetable {
  192:     my ($rid,$beenhere)=@_;
  193:     unless ($beenhere=~/\&$rid\&/) {
  194:        $beenhere.=$rid.'&';  
  195: # new ... updating the map according to sequence and page
  196:        if (defined($hash{'is_map_'.$rid})) {
  197: 	   my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}};
  198:            if ( $cmap eq 'sequence' || $cmap eq 'page' ) { 
  199:                $cols[$#cols+1]=0; 
  200:            }
  201:            if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
  202:                (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
  203:               my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
  204: 
  205:                 &tracetable($hash{'map_start_'.$hash{'src_'.$rid}},
  206:                 '&'.$frid.'&');
  207: 
  208:               if ($hash{'src_'.$frid}) {
  209:                  if ($hash{'src_'.$frid}=~
  210:                                  /\.(problem|exam|quiz|assess|survey|form)$/) {
  211: 		     $cols[$#cols+1]=$frid;
  212:                  }
  213: 	      }
  214: 
  215: 	   }
  216:        } else {
  217:           if ($hash{'src_'.$rid}) {
  218:              if ($hash{'src_'.$rid}=~
  219:                                  /\.(problem|exam|quiz|assess|survey|form)$/) {
  220: 	         $cols[$#cols+1]=$rid;
  221:              }
  222:           }
  223:        }
  224:        if (defined($hash{'to_'.$rid})) {
  225:           foreach (split(/\,/,$hash{'to_'.$rid})){
  226:               &tracetable($hash{'goesto_'.$_},$beenhere);
  227:           }
  228:        }
  229:     }
  230: }
  231: 
  232: sub usection {
  233:     my ($udom,$unam,$courseid,$ActiveFlag)=@_;
  234:     $courseid=~s/\_/\//g;
  235:     $courseid=~s/^(\w)/\/$1/;
  236:     foreach (split(/\&/,&Apache::lonnet::reply('dump:'.
  237:              $udom.':'.$unam.':roles',
  238:              &Apache::lonnet::homeserver($unam,$udom)))){
  239:         my ($key,$value)=split(/\=/,$_);
  240:         $key=&Apache::lonnet::unescape($key);
  241:         if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
  242:             my $section=$1;
  243:             if ($key eq $courseid.'_st') { $section=''; }
  244: 	    my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value));
  245: 	    if ( $ActiveFlag ne 'Any' ) {
  246: 		my $now=time;
  247: 		my $notactive=0;
  248: 		if ($start) {
  249: 		    if ($now<$start) { $notactive=1; }
  250: 		}
  251: 		if ($end) {
  252: 		    if ($now>$end) { $notactive=1; }
  253: 		}
  254: 		if ((($ActiveFlag eq 'Expired') && $notactive == 1) || 
  255:                     (($ActiveFlag eq 'Active') && $notactive == 0 ) ) {
  256: 		    return $section;
  257: 		}
  258: 		else { return '-1'; } 
  259: 	    }
  260: 	    return $section;
  261:         }
  262:     }
  263:     return '-1';
  264: }
  265: 
  266: sub BuildChart {
  267: # ----------------------- Get first and last resource, see if there is anything
  268:     my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
  269:     my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
  270:     if (($firstres) && ($lastres)) {
  271: # ----------------------------------------------------------------- Render page
  272: 	my $cid=$ENV{'request.course.id'};
  273:         my $chome=$ENV{'course.'.$cid.'.home'};
  274:         my ($cdom,$cnum)=split(/\_/,$cid);
  275: # ---------------------------------------------- Read class list and row labels
  276: 	my $classlst=&Apache::lonnet::reply
  277:                             ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
  278: 	my $now=time;
  279: 	unless ($classlst=~/^error\:/) {
  280: 	    foreach my $KeyPoint(sort split(/\&/,$classlst)) {
  281: 		my ($name,$value)=split(/\=/,$KeyPoint);
  282: 		my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
  283: 		my $active=1;
  284: 		my $Status=$ENV{'form.status'};
  285: 		$Status = ($Status) ? $Status : 'Active';
  286: 		if ( ( ($end) && $now > $end ) && 
  287:                      ( ($Status eq 'Active') ) ) { $active=0; }
  288: 		
  289: 		if ( ($Status eq 'Expired') && 
  290:                      ($end == 0 || $now < $end) ) { $active=0; }
  291: 
  292: 		if ($active) {
  293: 		    my $thisindex=$#students+1;
  294: 		    $name=&Apache::lonnet::unescape($name);
  295: 		    $students[$thisindex]=$name;
  296: 		    my ($sname,$sdom)=split(/\:/,$name);
  297: 		    $PreCol[$thisindex]=$sname.':';
  298: 		    my $ssec=&usection($sdom,$sname,$cid,$Status);
  299: 		    if ($ssec==-1) {
  300: 			$rowlabels[$thisindex]=
  301: 			    'Data not available: '.$name;
  302: 		    } 
  303:                     else {
  304: 			my %reply=&Apache::lonnet::idrget($sdom,$sname);
  305: 			my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
  306:                                   ':environment:lastname&generation&firstname&middlename',
  307:                                   &Apache::lonnet::homeserver($sname,$sdom));
  308: 			#$ssec=(int($ssec)) ? int($ssec) : $ssec;
  309: 			my $sec=sprintf('%3s',$ssec);
  310: 			$rowlabels[$thisindex]=$sec.' '.$reply{$sname}.' ';
  311: 			$PreCol[$thisindex] .= $reply.':'.$sec;
  312: 			my $i=0;
  313: 			foreach (split(/\&/,$reply)) {
  314: 			    $i++;
  315: 			    if ( $_ ne '') {
  316: 				$rowlabels[$thisindex].=&Apache::lonnet::unescape($_).' ';
  317: 			    }
  318: 			    if ($i == 2) {
  319: 				chop($rowlabels[$thisindex]);
  320: 				$rowlabels[$thisindex].=', ';
  321: 			    }
  322: 			}
  323: 		    }
  324: 		}
  325: 	    }
  326: 
  327: 	} else {
  328: 	    $r->print('<h1>Could not access course data</h1>');
  329: 	}
  330: 
  331: 	my $allstudents=$#students+1;
  332: 	$r->print('<h3>'.$allstudents.' students</h3>');
  333: 	&CreateForm();
  334: 	$r->rflush();
  335: 
  336: # --------------- Find all assessments and put them into some linear-like order
  337: 	&tracetable($firstres,'&'.$lastres.'&');
  338: # ----------------------------------------------------------------- Start table
  339: 
  340:         $r->print('<p><pre>');
  341:  	my $index;
  342:         for ($index=0;$index<=$#students;$index++) {
  343: 	    my $Str=&ExtractStudentData($index,$cid);
  344: 	    $r->print($Str.'<br>');
  345:             $r->rflush();
  346: 	    $CachData{$PreCol[$index]}=$Str;
  347:         }
  348:         $r->print('</pre>');
  349:     } else {
  350: 	$r->print('<h3>Undefined course sequence</h3>');
  351:     }
  352: }
  353: 
  354: sub CreateForm {
  355:     my $OpSel1='';
  356:     my $OpSel2='';
  357:     my $OpSel3='';
  358:     my $Status = $ENV{'form.status'};
  359:     if ( $Status eq 'Any' ) { $OpSel3='selected'; }
  360:     elsif ($Status eq 'Expired' ) { $OpSel2 = 'selected'; }
  361:     else { $OpSel1 = 'selected'; }
  362: 
  363:     my $Ptr = '<form name=stat method=post action="/adm/chart" >'."\n";
  364:     $Ptr .= '<b> Sort by: &nbsp; </b>'."\n";
  365:     $Ptr .= '&nbsp;&nbsp;&nbsp;';
  366:     $Ptr .= '<input type=submit name=sort value="User Name" />'."\n";
  367:     $Ptr .= '&nbsp;&nbsp;&nbsp;';
  368:     $Ptr .= '<input type=submit name=sort value="Last Name" />'."\n";
  369:     $Ptr .= '&nbsp;&nbsp;&nbsp;';
  370:     $Ptr .= '<input type=submit name=sort value="Section"/>'."\n";
  371:     $Ptr .= '<br><br>';
  372:     $Ptr .= '<b> Student Status: &nbsp; </b>'."\n".
  373:             '<select name="status">'. 
  374:             '<option '.$OpSel1.' >Active</option>'."\n".
  375:             '<option '.$OpSel2.' >Expired</option>'."\n".
  376: 	    '<option '.$OpSel3.' >Any</option> </select> '."\n";
  377:     $Ptr .= '&nbsp;&nbsp;&nbsp;';
  378:     $Ptr .= '<input type=submit name=sort value="Recalculate Chart"/>'."\n";
  379:     $Ptr .= '</form>'."\n";
  380:     $r->print( $Ptr );
  381: }
  382: 
  383: sub CacheChart {
  384:     my %list = ();
  385:     my $count=0;
  386: 
  387:     my $Pos = $ENV{'form.sort'};
  388:     if ( $Pos eq 'Last Name' ) {$Pos=1;}
  389:     elsif ( $Pos eq 'Section' ) {$Pos=2;}
  390:     else {$Pos=0;}
  391: 
  392:     foreach my $key( keys %CachData) { 
  393: 	my @Temp=split(/\:/,$key);
  394: 	my $Use = $Temp[$Pos];
  395: 	$list{$Use.$key}=$key;
  396: 	$count++;
  397:     }
  398: 
  399:     my @order = sort(keys(%list));
  400: 
  401:     $r->print('<h3>'.$count.' students</h3>');
  402:     &CreateForm();
  403:     $r->rflush();
  404:     
  405:     $r->print('<p><pre>');
  406:     for ( my $n; $n < $count; $n++) {
  407: 	$r->print($CachData{$list{$order[$n]}}.'<br>');
  408:     }	
  409:     $r->print('</pre>');
  410: }
  411: 
  412: sub Start {
  413:     undef %hash;
  414:     undef %CachData;
  415:     undef @students;
  416:     undef @cols;
  417:     undef @rowlabels;
  418:     undef @PreCol;
  419: 
  420:     $r->print('<html><head><title>'.
  421:               'LON-CAPA Assessment Chart</title></head>');
  422:     $r->print('<body bgcolor="#FFFFFF">'.
  423:               '<script>window.focus();</script>'.
  424:               '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
  425:               '<h1>Assessment Chart</h1>');
  426: # ---------------------------------------------------------------- Course title
  427:     $r->print('<h1>'.$ENV{'course.'.$ENV{'request.course.id'}.
  428:               '.description'}.'</h1><h3>'.localtime().
  429:               "</h3><p><pre>1..9: correct by student in 1..9 tries\n".
  430:               "   *: correct by student in more than 9 tries\n".
  431: 	      "   +: correct by override\n".
  432:               "   -: incorrect by override\n".
  433: 	      "   .: incorrect attempted\n".
  434: 	      "   #: ungraded attempted\n".
  435:               "    : not attempted\n".
  436: 	      "   x: excused</pre><p>"); 
  437: # ------------------------------- This is going to take a while, produce output
  438:     $r->rflush();
  439: 
  440:     my $cid=$ENV{'request.course.id'};
  441:     my $ChartDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
  442:                   "_$ENV{'user.domain'}_$cid\_chart.db";
  443: 
  444:     if ((-e "$ChartDB") && ($ENV{'form.sort'} ne 'Recalculate Chart')) {
  445: 	if (tie(%CachData,'GDBM_File',"$ChartDB",&GDBM_READER,0640)) {
  446: 	    &CacheChart();
  447: 	}
  448: 	else {
  449: 	    $r->print("Unable to tie hash to db file");
  450: 	}
  451:     }
  452:     else {
  453: 	if (tie(%CachData,'GDBM_File',$ChartDB,&GDBM_WRCREAT,0640)) {
  454: 	    foreach (keys %CachData) {delete $CachData{$_};}
  455: 	    &BuildChart();
  456: 	}
  457: 	else {
  458: 	    $r->print("Unable to tie hash to db file");
  459: 	}
  460:     }
  461:     untie(%CachData);
  462: }
  463: 
  464: # ================================================================ Main Handler
  465: 
  466: sub handler {
  467:     $r=shift;
  468:     if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
  469: # ------------------------------------------- Set document type for header only
  470: 	if ($r->header_only) {
  471: 	    if ($ENV{'browser.mathml'}) {
  472: 		$r->content_type('text/xml');
  473: 	    } else {
  474: 		$r->content_type('text/html');
  475: 	    }
  476: 	    &Apache::loncommon::no_cache($r);
  477: 	    $r->send_http_header;
  478: 	    return OK;
  479: 	}
  480: 
  481: 	my $requrl=$r->uri;
  482: # ----------------------------------------------------------------- Tie db file
  483: 	if ($ENV{'request.course.fn'}) {
  484: 	    my $fn=$ENV{'request.course.fn'};
  485: 	    if (-e "$fn.db") {
  486: 		if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
  487: # ------------------------------------------------------------------- Hash tied
  488: # ---------------------------------------------------------------- Send headers
  489: 		    $r->content_type('text/html');
  490: 		    $r->send_http_header;
  491: 		    &Start();
  492: 		    $r->print('</body></html>');                 
  493: # ------------------------------------------------------------- End render page
  494: 		} else {
  495: 		    $r->content_type('text/html');
  496: 		    $r->send_http_header;
  497: 		    $r->print('<html><body>Coursemap undefined.</body></html>');
  498: 		}
  499: # ------------------------------------------------------------------ Untie hash
  500: 		unless (untie(%hash)) {
  501: 		    &Apache::lonnet::logthis("<font color=blue>WARNING: ".
  502: 			     "Could not untie coursemap $fn (browse).</font>"); 
  503: 		}
  504: 
  505: # -------------------------------------------------------------------- All done
  506: 		return OK;
  507: # ----------------------------------------------- Errors, hash could no be tied
  508: 	    }
  509: 	} else {
  510: 	    $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
  511: 	    return HTTP_NOT_ACCEPTABLE; 
  512: 	}
  513:     } else {
  514: 	$ENV{'user.error.msg'}=
  515:         $r->uri.":vgr:0:0:Cannot view grades for complete course";
  516: 	return HTTP_NOT_ACCEPTABLE; 
  517:     }
  518: }
  519: 1;
  520: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>