File:  [LON-CAPA] / loncom / homework / essayresponse.pm
Revision 1.78: download - view: text, annotated - select for diffs
Tue Oct 17 17:09:44 2006 UTC (17 years, 6 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- trying to preserve the fix for BUG#4250 but use the normal answer functions to do so

    1: # The LearningOnline Network with CAPA
    2: # essay (ungraded) style responses
    3: #
    4: # $Id: essayresponse.pm,v 1.78 2006/10/17 17:09:44 albertel 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::essayresponse;
   30: use strict;
   31: use Apache::lonxml();
   32: use Apache::lonnet;
   33: use Apache::lonlocal;
   34: use lib '/home/httpd/lib/perl/';
   35: use LONCAPA;
   36:  
   37: 
   38: BEGIN {
   39:     &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
   40: }
   41: 
   42: sub start_essayresponse {
   43:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   44:     my $result;
   45:     my $id = &Apache::response::start_response($parstack,$safeeval);
   46:     if ($target eq 'meta') {
   47: 	$result=&Apache::response::meta_package_write('essayresponse');
   48:     } elsif ($target eq 'web' &&
   49: 	     $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
   50: 	my $part= $Apache::inputtags::part;
   51: 	my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
   52: 	my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
   53: 	my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
   54:         $uploadedfiletypes=~s/[^\w\,]//g;
   55: 	if ( $Apache::lonhomework::type eq 'survey' ) {
   56: 	    $result.= '<input type="hidden" name="HWDRAFT'.$part.'_'.$id.'" value="yes" /> ';
   57: 	}
   58: 	$result.='<br /><table border="1">';
   59: 	if ( $Apache::lonhomework::type ne 'survey' ) {
   60: 	    $result.= '<tr><td>'.
   61: 		'<label>'.
   62: 		'<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
   63: 		&mt('Submit entries below as answer to receive credit').
   64: 		'</label> <br />'.
   65: 		'<label>'.
   66: 		'<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
   67: 		&mt('Save entries below as a draft answer (not submitting them for credit yet)').
   68: 		'</label>'.
   69: 		'</td></tr>';
   70: 	}
   71: 
   72: 	if ($ncol > 0) {
   73: 	    $result .='<tr><td>'.'<label>'.
   74: 		'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
   75: 		$part.'_'.$id.'" value="'.$coll.'" /><br />'.
   76: 		&mt('(Enter maximum [_1] collaborators using username or username@domain, e.g. smithje or smithje@[_2].)',$ncol,$env{'user.domain'}).
   77:                 '</label><br />';
   78: 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
   79: 	    $result .='</td></tr>';
   80: 	}
   81: 	$result.=&Apache::inputtags::file_selector($part,$id,
   82: 						   $uploadedfiletypes,'both');
   83:         $result.='</table>';
   84:     } elsif ($target eq 'web' &&
   85: 	     $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
   86: 	my $part= $Apache::inputtags::part;
   87: 	my @msgs;
   88: 	if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
   89: 	    my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
   90: 	    $result .= '<td>'.&mt('Collaborated with [_1]',$coll).'</td>';
   91: 	}
   92: 
   93: 	my $file_submission = 
   94: 	    &Apache::inputtags::show_past_file_submission($part,$id);
   95: 	if ($file_submission) {
   96: 	    $result .= '<td>'.$file_submission.'</td>';
   97: 	}
   98: 
   99: 	my $port_submission = 
  100: 	    &Apache::inputtags::show_past_portfile_submission($part,$id);
  101: 	if ($port_submission) {
  102: 	    $result .= '<td>'.$port_submission.'</td>';
  103: 	}
  104: 
  105: 	if ($result ne '') {
  106: 	    $result = 
  107: 		'<table class="LC_pastsubmission"><tr>'.$result.
  108: 		'</tr></table>';
  109: 	}
  110:     }
  111:     return $result;
  112: }
  113: 
  114: sub end_essayresponse {
  115:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  116:     my $part          = $Apache::inputtags::part;
  117:     my $id            = $Apache::inputtags::response[-1];
  118:     my $increment     = &Apache::response::repetition();
  119:     my $result;
  120:     if ( $target eq 'grade' ) {
  121: 	my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};	
  122: 	if ($collaborators =~ /[^\s]/) {
  123: 	    my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
  124: 	    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
  125: 		if ($collaborators ne $previous_list);
  126: 	}
  127: 	if (  &Apache::response::submitted('scantron') ) {
  128: 	    $increment=&Apache::response::scored_response($part,$id);
  129: 	} elsif ( &Apache::response::submitted() ) {
  130: 	    my $response      = $env{'form.HWVAL_'.$id};
  131:             my $filename= $env{'form.HWFILE'.$part.'_'.$id.'.filename'};
  132:             my $portfiles = $env{'form.HWPORT'.$part.'_'.$id};
  133: 	    if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/)) {
  134:  		my $award='DRAFT';
  135:         	if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
  136: 		    $award='SUBMITTED';
  137: 		}
  138:                 my $uploadedflag=0;
  139: 		&file_submission($part,$id,'filename',\$award,\$uploadedflag);
  140: 		&file_submission($part,$id,'portfiles',\$award,\$uploadedflag);
  141: 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
  142: 		$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
  143: 		my %previous=&Apache::response::check_for_previous($response,$part,$id);
  144: 		unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
  145: #
  146: # Store with resource author for similarity testing
  147: #
  148:                 if ($award eq 'SUBMITTED') {
  149: 		    my ($symb,$crsid,$domain,$name)=
  150: 			&Apache::lonnet::whichuser();
  151: 		    if ($crsid) {
  152: 			my $akey=$name.'.'.$domain.'.'.$crsid;
  153: 			my $essayurl=
  154: 			    &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
  155: 			my ($adom,$aname,$apath)=
  156: 			    ($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
  157:                         $apath=&escape($apath);
  158: 			$apath=~s/\W/\_/gs;
  159: 			&Apache::lonnet::put('nohist_essay_'.$apath,
  160: 					 { $akey => $response },$adom,$aname);
  161: 		    }
  162:                 }
  163: 	    }
  164: 	} 
  165:     } elsif ($target eq 'edit') {
  166: 	$result.=&Apache::edit::end_table();
  167: 
  168:     } elsif ($target eq 'tex'
  169: 	     && $Apache::lonhomework::type eq 'exam') {
  170: 	$result .= &Apache::inputtags::exam_score_line($target);
  171: 
  172:     } elsif ($target eq 'answer') {
  173: 	$result.=&Apache::response::answer_header($$tagstack[-1]);
  174: 	my $answer = &mt('Answer for essay will be hand graded.');
  175: 	$result.=&Apache::response::answer_part($$tagstack[-1],$answer,
  176: 						{'no_verbatim' => 1});
  177: 	$result.=&Apache::response::answer_footer($$tagstack[-1]);
  178:     }
  179: 
  180:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
  181: 	$target eq 'tex' || $target eq 'analyze') {
  182: 	&Apache::lonxml::increment_counter($increment);
  183:     }
  184:     &Apache::response::end_response;
  185: 
  186:     return $result;
  187: }
  188: 
  189: sub file_submission {
  190:     my ($part,$id,$which,$award,$uploadedflag)=@_;
  191:     my $files;
  192:     my $jspart=$part;
  193:     $jspart=~s/\./_/g;
  194:     if ($which eq 'portfiles') { $files= $env{'form.HWPORT'.$jspart.'_'.$id}; }
  195:     if ($which eq 'filename') {
  196: 	$files = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
  197:     }
  198:     
  199:     if ($files =~ /[^\s]/) {
  200: 	$files =~s/,$//;
  201: 	$Apache::lonhomework::results{"resource.$part.$id.$which"}=$files;
  202: 	
  203: 	my @submitted_files = ($files);
  204: 	if ( $which eq 'portfiles' ) {
  205: 	    @submitted_files = split(/\s*,\s*/,$files);
  206: 	}
  207: 
  208: 	my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
  209: 	if ($uploadedfiletypes) {
  210: 	    $uploadedfiletypes=~s/[^\w\,]//g;
  211: 	    $uploadedfiletypes=','.$uploadedfiletypes.',';
  212: 	    foreach my $file (@submitted_files) {
  213: 		my ($extension)=($file=~/\.(\w+)$/);
  214: 		unless ($uploadedfiletypes=~/\,$extension\,/i) {
  215: 		    $$award='INVALID_FILETYPE';
  216: 		}
  217: 	    }
  218: 	}
  219: 	if ($$award ne 'INVALID_FILETYPE' && ref($uploadedflag)) {
  220: 	    $$uploadedflag=1;
  221: 	}
  222: 	if ($$award ne 'INVALID_FILETYPE' && $which eq 'portfiles') {
  223: 	    my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
  224: 	    &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
  225: 	    &Apache::lonnet::mark_as_readonly($domain,$name,\@submitted_files,[$symb,$crsid]);
  226: 	    &Apache::lonnet::clear_selected_files($name);
  227: 	}
  228: 	if ($$award ne 'INVALID_FILETYPE' && $which eq 'filename') {
  229: 	    $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=
  230: 		$files;
  231: 	    $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
  232: 		&Apache::lonnet::userfileupload('HWFILE'.$jspart.'_'.$id,undef,
  233: 						'essayresponse');
  234: 	}
  235:     } elsif ($which eq 'portfiles' &&
  236: 	     $Apache::lonhomework::history{"resource.$part.$id.$which"}) {
  237: 	my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
  238: 	&Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
  239: 	$Apache::lonhomework::results{"resource.$part.$id.$which"}="";
  240:     }
  241: }
  242: 
  243: sub check_collaborators {
  244:     my ($ncol,$coll) = @_;
  245:     my %classlist=&Apache::lonnet::dump('classlist',
  246: 					$env{'course.'.$env{'request.course.id'}.'.domain'},
  247: 					$env{'course.'.$env{'request.course.id'}.'.num'});
  248:     my (@badcollaborators,$result);
  249:     my (@collaborators) = split(/\,?\s+/,$coll);
  250:     foreach (@collaborators) {
  251: 	my $collaborator = $_;
  252: 	if (/@/) {
  253: 	    $collaborator =~ s/@/:/;
  254: 	} else {
  255: 	    $collaborator = $_.':'.$env{'user.domain'};
  256: 	}
  257: 	push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
  258:     }
  259:     
  260:     if (scalar(@badcollaborators)) {
  261: 	$result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
  262: 	    (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
  263: 	    join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
  264:     }
  265:     my $toomany = scalar(@collaborators) - $ncol;
  266:     if ($toomany > 0) {
  267: 	$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
  268: 	    'You have too many collaborators. Please remove '.$toomany.' collaborator'.
  269: 	    ($toomany > 1 ? 's' :'').'.</td></tr></table>';
  270:     }
  271:     return $result;
  272: }
  273: 
  274: 1;
  275: __END__

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