Annotation of loncom/homework/bridgetask.pm, revision 1.118

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.118   ! albertel    4: # $Id: bridgetask.pm,v 1.117 2006/03/02 22:23:31 albertel Exp $
1.1       albertel    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: 
                     31: package Apache::bridgetask; 
                     32: 
                     33: use strict;
                     34: use Apache::lonnet;
                     35: use Apache::File();
                     36: use Apache::lonmenu;
                     37: use Apache::lonlocal;
                     38: use Apache::lonxml;
1.37      albertel   39: use Apache::slotrequest();
1.1       albertel   40: use Time::HiRes qw( gettimeofday tv_interval );
1.9       albertel   41: 
1.1       albertel   42: BEGIN {
                     43:     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));
                     44: }
                     45: 
1.9       albertel   46: sub initialize_bridgetask {
                     47:     # id of current Dimension, 0 means that no dimension is current 
                     48:     # (inside <Task> only)
                     49:     $Apache::bridgetask::dimension='';
                     50:     # list of all Dimension ids seen
                     51:     @Apache::bridgetask::dimensionlist=();
1.20      albertel   52:     # mandatory attribute of all Dimensions seen
                     53:     %Apache::bridgetask::dimensionmandatory=();
1.9       albertel   54:     # list of all current Instance ids
                     55:     @Apache::bridgetask::instance=();
                     56:     # list of all Instance ids seen in this problem
                     57:     @Apache::bridgetask::instancelist=();
1.15      albertel   58:     # key of queud user data that we are currently grading
                     59:     $Apache::bridgetask::queue_key='';
1.9       albertel   60: }
                     61: 
1.4       albertel   62: sub proctor_check_auth {
1.81      albertel   63:     my ($slot_name,$slot,$type)=@_;
1.11      albertel   64:     my $user=$env{'form.proctorname'};
                     65:     my $domain=$env{'form.proctordomain'};
1.4       albertel   66:     
                     67:     my @allowed=split(",",$slot->{'proctor'});
                     68:     foreach my $possible (@allowed) {
                     69: 	my ($puser,$pdom)=(split('@',$possible));
                     70: 	if ($puser eq $user && $pdom eq $domain) {
1.72      albertel   71: 	    my $authenticated=0;
                     72: 	    if ( $slot->{'secret'} =~ /\S/ &&
                     73: 		 $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
                     74: 		$authenticated=1;
                     75: 	    } else {
                     76: 		
                     77: 		my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
                     78: 		if ($authhost ne 'no_host') {
                     79: 		    $authenticated=1;
                     80: 		}
                     81: 	    }
1.81      albertel   82: 	    if ($authenticated && $type eq 'Task') {
1.93      albertel   83: 		# increment version
1.23      albertel   84: 		my $version=
1.90      albertel   85: 		    $Apache::lonhomework::history{'resource.0.version'};
                     86: 		$version++;
1.93      albertel   87: 
                     88: 		#clean out all current results
                     89: 		foreach my $key (keys(%Apache::lonhomework::history)) {
                     90: 		    if ($key=~/^resource\.0\./) {
                     91: 			$Apache::lonhomework::results{$key}='';
                     92: 		    }
                     93: 		}
                     94: 		
                     95: 		#setup new version and who did it
1.90      albertel   96: 		$Apache::lonhomework::results{'resource.0.version'}=$version;
1.89      albertel   97: 		$Apache::lonhomework::results{"resource.$version.0.checkedin"}=
1.4       albertel   98: 		    $user.'@'.$domain;
1.89      albertel   99: 		$Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
1.22      albertel  100: 		    $slot_name;
1.93      albertel  101: 
1.4       albertel  102: 		return 1;
1.81      albertel  103: 	    } elsif ($authenticated && $type eq 'problem') {
1.90      albertel  104: 		&Apache::lonxml::debug("authed $slot_name");
1.81      albertel  105: 		$Apache::lonhomework::results{"resource.0.checkedin"}=
                    106: 		    $user.'@'.$domain;
                    107: 		$Apache::lonhomework::results{"resource.0.checkedin.slot"}=
                    108: 		    $slot_name;
1.4       albertel  109: 	    }
                    110: 	}
                    111:     }
                    112:     return 0;
                    113: }
                    114: 
1.25      albertel  115: sub get_version {
1.29      albertel  116:     my ($version,$previous);
1.25      albertel  117:     if ($env{'form.previousversion'} && 
1.36      albertel  118: 	$env{'form.previousversion'} ne 'current' &&
1.89      albertel  119: 	defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
1.29      albertel  120: 	$version=$env{'form.previousversion'};
                    121: 	$previous=1;
                    122:     } else {
1.89      albertel  123: 	$version=$Apache::lonhomework::history{'resource.0.version'};
1.29      albertel  124: 	$previous=0;
                    125:     }
                    126:     if (wantarray) {
                    127: 	return ($version,$previous);
1.25      albertel  128:     }
1.29      albertel  129:     return $version;
1.25      albertel  130: }
                    131: 
1.8       albertel  132: sub add_previous_version_button {
1.25      albertel  133:     my ($status)=@_;
1.8       albertel  134:     my $result;
1.89      albertel  135:     if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
1.25      albertel  136: 	return '';
                    137:     }
1.89      albertel  138:     if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
1.29      albertel  139: 	$status ne 'NEEDS_CHECKIN') {
1.25      albertel  140: 	return '';
                    141:     }
1.29      albertel  142:     my $version=&get_version();
                    143:     if ($env{'form.previousversion'} ne '' &&
                    144: 	$env{'form.previousversion'} eq $version) {
                    145: 	$result.="<h3>".&mt("Showing previous version [_1]",$version).
                    146: 	    "</h3>\n";
                    147:     }
                    148:     my @to_show;
1.89      albertel  149:     foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
                    150: 	if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
1.29      albertel  151: 	    push(@to_show,$test_version);
                    152: 	}
                    153:     }
                    154:     my $list='<option>'.
                    155: 	join("</option>\n<option>",@to_show).
                    156: 	     "</option>\n";
1.36      albertel  157:     $list.='<option value="current">'.&mt('Current').'</option>';
1.115     albertel  158:     $result.='<form name="getprevious" method="post" action="';
1.29      albertel  159:     my $uri=$env{'request.uri'};
                    160:     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    161:     $result.=$uri.'">'.
                    162: 	&mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
                    163: <option>'.&mt('Pick one').'</option>
                    164: '.$list.'
                    165: </select>')."</form>";
1.8       albertel  166:     return $result;
                    167: }
                    168: 
1.13      albertel  169: sub add_grading_button {
1.59      albertel  170:     my (undef,$cid)=&Apache::lonxml::whichuser();
                    171:     my $cnum=$env{'course.'.$cid.'.num'};
                    172:     my $cdom=$env{'course.'.$cid.'.domain'};
                    173:     my %sections;
                    174:     my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
                    175:     my $size=5;
                    176:     if (scalar(keys(%sections)) < 3) {
                    177: 	$size=scalar(keys(%sections))+2;
                    178:     }
                    179:     my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";
                    180:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    181:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
                    182: 	$sec_select .= "<option name=\"$sec\">$sec</option>\n";
                    183:     }
                    184:     $sec_select .= "<option value='none'>none</option></select>\n";
                    185:     
1.29      albertel  186:     my $result=' <input type="submit" name="gradeasubmission" value="'.
1.13      albertel  187: 	&mt("Get a submission to grade").'" />';
                    188:     $result.='<input type="hidden" name="grade_target" value="webgrade" />';
1.40      albertel  189:     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.34      albertel  190: 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
1.106     albertel  191: 	$result.='<table><tr>';
                    192: 	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
                    193: 	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
                    194: 	    &mt("Select an entry from the grading queue:").'" /> ';
1.34      albertel  195: 
1.107     albertel  196: 	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
1.34      albertel  197: 
                    198: 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
1.106     albertel  199: 	$result.='<tr><td>'.
                    200: 	    ' <input type="submit" name="reviewasubmission" value="'.
                    201: 	    &mt("Select an entry from the review queue:").'" /> ';
                    202: 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
                    203: 		     $entries,$ready,$locks).'</td></tr>'."\n";
                    204: 	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
                    205: 	    &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
1.105     albertel  206: 	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
1.106     albertel  207: 	    &mt("Regrade specific user:").'" />'."\n";
1.105     albertel  208: 	$result.='<input type="text" size="12" name="gradinguser" />';
                    209: 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
                    210: 						     'gradingdomain');
                    211: 	$result.=' '.
                    212: 	    &Apache::loncommon::selectstudent_link('gradesubmission',
                    213: 						   'gradinguser',
                    214: 						   'gradingdomain');
                    215: 	$result.=&Apache::loncommon::studentbrowser_javascript();
                    216:   }
1.13      albertel  217:     return $result;
                    218: }
                    219: 
1.22      albertel  220: sub add_request_another_attempt_button {
1.38      albertel  221:     my ($text)=@_;
                    222:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  223:     my $result;
1.36      albertel  224:     my $symb=&Apache::lonnet::symbread();
1.37      albertel  225:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  226:     my $action='get_reservation';
1.37      albertel  227:     if ($slot_name) {
1.38      albertel  228: 	$text="Change reservation.";
                    229: 	$action='change_reservation';
1.37      albertel  230: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    231: 							      $slot);
                    232: 	$result.=(<<STUFF);
                    233: <p> Will be next available: $description </p>
                    234: STUFF
                    235:     }
1.38      albertel  236:     
                    237:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
                    238:     $symb=&Apache::lonnet::escape($symb);
1.115     albertel  239:     $result.='<form method="post" action="/adm/slotrequest">'.
1.38      albertel  240: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    241: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    242: 	'<input type="submit" name="requestattempt" value="'.
                    243: 	&mt($text).'" />'.
                    244: 	'</form>';
1.25      albertel  245:     return $result;
1.22      albertel  246: }
                    247: 
1.30      albertel  248: sub preserve_grade_info {
                    249:     my $result;
                    250:     # if we are viewing someone else preserve that info
                    251:     if (defined $env{'form.grade_symb'}) {
                    252: 	foreach my $field ('symb','courseid','domain','username') {
                    253: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    254: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    255: 	}
                    256:     }
                    257:     return $result;
                    258: }
                    259: 
1.53      albertel  260: sub style {
                    261:     return (<<STYLE);
                    262: <style type="text/css">
1.116     albertel  263: .LC_fail, .LC_pass, .LC_neutral {
1.53      albertel  264:     position: relative;
                    265:     margin : 5px;
                    266:     margin-bottom :10px;
                    267:     padding : 4px;
                    268:     padding-left : 75px;
                    269: 	border : thin solid;
                    270:     font-weight : bolder;
                    271:     font-size: smaller;
                    272:     font-family: Arial;
                    273:     background-color : rgb(255,240,225);
                    274: }
                    275: 
1.116     albertel  276: .LC_fail h4, .LC_pass h4 {
1.53      albertel  277: 	position:absolute;
                    278: 	left: -4px;
                    279: 	top: -8px;
                    280: 	padding:2px;
                    281: 	margin:0;
                    282: 	background-color : rgb(255,240,225);
                    283: 	border : thin solid;
                    284: }
                    285: 
1.116     albertel  286: .LC_fail {
1.53      albertel  287: 	color: red;
                    288: }
                    289: 
1.116     albertel  290: .LC_pass {
1.53      albertel  291:     color : green;
                    292: }
                    293: 
1.116     albertel  294: .LC_neutral {
1.53      albertel  295: 	color : blue;
                    296: }
                    297: 
1.116     albertel  298: .LC_question {
1.53      albertel  299: 	border : thin solid black;
                    300: 	padding : 4px;
                    301: 	margin-bottom : 1em;
                    302: }
                    303: 
1.116     albertel  304: .LC_grade {
1.53      albertel  305: 	font-size: x-large;
                    306: 	font-family: Arial;
                    307: 	position:absolute;
                    308: 	left: 5px;
                    309: 	top: -5px;
                    310: 	width: 70px;
                    311: }
                    312: 
                    313: div#feedback h1 {
                    314:     color : inherit;
                    315: }
                    316: </style>
                    317: STYLE
                    318: 
                    319: }
                    320: 
1.54      albertel  321: sub show_task {
                    322:     my ($status,$previous)=@_;
                    323:     if (!$previous && (
                    324: 		       ( $status eq 'CLOSED' ) ||
                    325: 		       ( $status eq 'BANNED') ||
                    326: 		       ( $status eq 'UNAVAILABLE') ||
                    327: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    328: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    329: 		       ( $status eq 'WAITING_FOR_GRADE') ||
                    330: 		       ( $status eq 'INVALID_ACCESS') )) {
                    331: 	return 0;
                    332:     }
1.64      albertel  333:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  334:     return 1;
                    335: }
                    336: 
                    337: sub internal_location {
                    338:     my ($id)=@_;
                    339:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    340: }
                    341: 
1.60      albertel  342: sub submission_time_stamp {
                    343:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    344:     my $submissiontime;
1.89      albertel  345:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  346:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    347: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    348: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    349: 	}
                    350:     }
                    351:     my $result;
                    352:     if ($submissiontime) {
1.89      albertel  353: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  354: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    355: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  356: 	my ($color,$when)=('#FF6666','after');
                    357: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  358: 	my $info;
                    359: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    360: 	$diff=int($diff/60);
                    361: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    362: 	$diff=int($diff/60);
                    363: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    364: 	$result='<p><font color="'.$color.'">'.
                    365: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    366:                  (Submission was at [_3], end of period was [_4].)',
                    367: 		$info,$when,scalar(localtime($submissiontime)),
                    368: 		scalar(localtime($slot{'endtime'}))).
                    369: 		'</font></p>';
                    370:     }
                    371:     return $result;
                    372: }
                    373: 
1.70      albertel  374: sub webgrade_standard_info {
                    375:     my ($version)=&get_version();
                    376:     my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    377:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.116     albertel  378:     my $file_list="<ul class=\"LC_GRADE_handininfo\">\n";
1.70      albertel  379:     foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
                    380: 	my $file=$file_url.$partial_file;
                    381: 	$file=~s|/+|/|g;
                    382: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.73      albertel  383: 	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.109     albertel  384: 	    &Apache::loncommon::icon($file).'" border="0"> '.$file.
1.70      albertel  385: 	    '</a></nobr></li>'."\n";
                    386:     }
                    387:     $file_list.="</ul>\n";
                    388: 
1.118   ! albertel  389:     my %lt=&Apache::lonlocal::texthash('done' => 'Next Item',
        !           390: 				       'stop' => 'Quit Grading',
1.70      albertel  391: 				       );
                    392: 				       
                    393:     my $result=<<INFO;
1.116     albertel  394:   <div class="LC_GRADE_maincontrols">
1.111     albertel  395:     <input type="submit" name="next" value="$lt{'done'}" />
                    396:     <input type="submit" name="stop" value="$lt{'stop'}" />
                    397:   </div>
1.70      albertel  398:   $file_list
                    399: INFO
                    400:     return $result;
                    401: }
                    402: 
1.1       albertel  403: sub start_Task {
1.87      albertel  404:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  405: 
1.4       albertel  406:     my ($status,$accessmsg,$slot);
1.16      albertel  407:     if ($target ne 'webgrade') {
1.70      albertel  408: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  409: 	&Apache::structuretags::initialize_storage();
                    410: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  411: 	if ($env{'request.state'} eq 'construct') {
                    412: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    413: 	}
1.16      albertel  414:     } 
                    415: 
1.4       albertel  416:     $Apache::lonhomework::parsing_a_task=1;
1.1       albertel  417:     #should get back a <html> or the neccesary stuff to start XML/MathML
                    418:     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
                    419: 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.16      albertel  420:     
1.117     albertel  421:     $body_tag_start = '<div class="LC_task">'."\n";
1.74      albertel  422:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.13      albertel  423: 	if ($Apache::lonhomework::modifygrades) {
1.115     albertel  424: 	    $body_tag_start.='<form name="gradesubmission" method="post" action="';
1.13      albertel  425: 	    my $uri=$env{'request.uri'};
                    426: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    427: 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  428: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  429: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.115     albertel  430: 		$body_tag_start.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  431: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    432: 		    '<input type="hidden" name="command" value="showslots" />'.
                    433: 		    '<input type="submit" name="requestattempt" value="'.
                    434: 		    &mt('Show Slot list').'" />'.
                    435: 		    '</form>';
1.108     albertel  436: 		my $target_id = 
                    437: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    438: 							     part => '0'});
1.115     albertel  439: 		$body_tag_start.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  440: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    441: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    442: 		    '<input type="submit" name="grading" value="'.
                    443: 		    &mt('Show Grading Status').'" />'.
                    444: 		    '</form>';
1.40      albertel  445: 	    }
1.13      albertel  446: 	}
1.8       albertel  447:     }
1.74      albertel  448:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    449: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    450:     }
1.21      albertel  451:     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
1.1       albertel  452: 	$target eq 'tex') {
1.29      albertel  453: 	my ($version,$previous)=&get_version();
1.14      albertel  454: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  455: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.9       albertel  456: 	push(@Apache::inputtags::status,$status);
1.14      albertel  457: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  458: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  459: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  460: 	&Apache::run::run($expression,$safeeval);
                    461: 	&Apache::lonxml::debug("Got $status");
1.25      albertel  462: 	$body_tag_start.=&add_previous_version_button($status);
1.54      albertel  463: 	if (!&show_task($status,$previous)) {
1.87      albertel  464: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  465: 	    if ( $target eq "web" ) {
1.4       albertel  466: 		$result.= $head_tag_start.'</head>'.$body_tag_start;
1.74      albertel  467: 		if ($env{'request.state'} eq 'construct') {
                    468: 		    $result.=$form_tag_start;
                    469: 		}
1.4       albertel  470: 		my $msg;
1.1       albertel  471: 		if ($status eq 'UNAVAILABLE') {
                    472: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  473: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    474: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  475: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  476: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    477: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    478: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  479: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    480: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  481: 		} elsif ($env{'form.donescreen'}) {
                    482: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  483: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.114     albertel  484: 		    my (undef,undef,$domain,$user)=
                    485: 			&Apache::lonxml::whichuser();
                    486: 		    my $files = '<ul>';
                    487: 		    foreach my $file (@files) {
                    488: 			my $url="/uploaded/$domain/$user/portfolio$file";
                    489: 			if (! &Apache::lonnet::stat_file($url)) {
                    490: 			    $file = &mt('<font color="red"> Nonexistant file:</font> <tt>[_1]</tt>',$file);
                    491: 			} else {
                    492: 			    $file = '<tt>'.$file.'</tt>';
                    493: 			}
                    494: 			$files .= '<li>'.$file.'</li>';
                    495: 		    }
                    496: 		    $files.='</ul>';
                    497: 
1.64      albertel  498: 		    $result.=<<DONESCREEN;
                    499: <h2>$title</h2>
                    500: <p> Files submitted: $files </p>
1.67      albertel  501: <p> You are now done with this Bridge Task </p>
1.64      albertel  502: <hr />
                    503: <p> <a href="/adm/logout">Logout</a> </p>
                    504: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    505: DONESCREEN
1.1       albertel  506: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    507: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    508: 		}
                    509: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    510: 		    $msg.='The problem '.$accessmsg;
                    511: 		}
                    512: 		$result.=$msg.'<br />';
                    513: 	    } elsif ($target eq 'tex') {
                    514: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    515: 		if ($status eq 'UNAVAILABLE') {
                    516: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    517: 		} else {
                    518: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    519: 		}
1.22      albertel  520: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  521: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  522: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    523: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  524: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  525: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  526: 			&Apache::lonxml::debug("add_to_queue said $result");
                    527: 		    }
1.4       albertel  528: 		}
1.1       albertel  529: 	    }
                    530: 	} elsif ($target eq 'web') {
                    531: 	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    532: 	    $result.="$head_tag_start<title>$name</title></head>
1.53      albertel  533:               $body_tag_start \n".&style();
1.36      albertel  534: 	    
1.57      albertel  535: 	    $result.=&preserve_grade_info();
                    536: 	    $result.=&internal_location();
1.36      albertel  537: 	    $result.=$form_tag_start.
                    538: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  539: 	    &Apache::lonxml::startredirection();
1.1       albertel  540: 	}
1.21      albertel  541:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    542: 	      $target eq 'webgrade') {
1.32      albertel  543: 	my $webgrade='yes';
1.21      albertel  544: 	if ($target eq 'webgrade') {
1.110     albertel  545: 	    $result.=$head_tag_start.'</head>'.$body_tag_start;
1.49      albertel  546: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    547: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  548: 	}
1.33      albertel  549: 	# FIXME Blast! still need to reorg this, need to reshow the
                    550:         #       queue being reviewed once done with the grade pass...
                    551:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    552:         #       perhaps do a search if there is a key that is mine and if
                    553:         #       there isn't reshow the queue....
1.105     albertel  554: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  555: 
                    556: 	if ($todo) {
                    557: 	    &setup_env_for_other_user($todo,$safeeval);
                    558: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    559: 	    $result.="\n".'<table><tr><td>Found '.
                    560: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    561: 	    $form_tag_start.=
                    562: 		'<input type="hidden" name="gradingkey" value="'.
                    563: 		&Apache::lonnet::escape($todo).'" />';
                    564: 	    $Apache::bridgetask::queue_key=$todo;
                    565: 	    &Apache::structuretags::initialize_storage();
                    566: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  567: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    568: 		$form_tag_start.=
                    569: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  570: 	    }
1.15      albertel  571: 	} else {
1.33      albertel  572: 	    if ($target eq 'webgrade') {
                    573: 		$result.="\n";
1.81      albertel  574: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    575: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  576: 		if      ($status_code eq 'stop') {
1.81      albertel  577: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  578: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  579: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  580: 			.'</b>'.$back;
1.33      albertel  581: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  582: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    583: 			.'</b>'.$back;
1.33      albertel  584: 		    $result.=&show_queue($env{'form.queue'},1);
                    585: 		} elsif ($status_code eq 'show_list') {
                    586: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  587: 		} elsif ($status_code eq 'select_user') {
                    588: 		    $result.=&select_user();
1.95      albertel  589: 		} elsif ($status_code eq 'unable') {
                    590: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  591: 		} elsif ($status_code eq 'not_allowed') {
                    592: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  593: 		} else {
1.81      albertel  594: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  595: 		}
1.21      albertel  596: 	    }
1.33      albertel  597: 	    $webgrade='no';
1.87      albertel  598: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  599: 	}
                    600: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  601: 	    if ($webgrade eq 'yes') {
                    602: 		$result.=&submission_time_stamp();
                    603: 	    }
1.32      albertel  604: 	    $result.=$form_tag_start;
                    605: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    606: 		$webgrade.'" />';
                    607: 	    $result.='<input type="hidden" name="queue" value="'.
                    608: 		$env{'form.queue'}.'" />';
1.52      albertel  609: 	    if ($env{'form.regrade'}) {
                    610: 		$result.='<input type="hidden" name="regrade" value="'.
                    611: 		    $env{'form.regrade'}.'" />';
                    612: 	    }
1.62      albertel  613: 	    if ($env{'form.chosensections'}) {
                    614: 		my @chosen_sections=
                    615: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    616: 		foreach my $sec (@chosen_sections) {
                    617: 		    $result.='<input type="hidden" name="chosensections" 
                    618:                                value="'.$sec.'" />';
                    619: 		}
                    620: 	    }
1.70      albertel  621: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  622: 	}
1.110     albertel  623: 	if ($target eq 'webgrade') {
1.116     albertel  624: 	    $result.="\n".'<div id="LC_GRADE_criterialist">';
1.110     albertel  625: 	}
1.74      albertel  626:     } elsif ($target eq 'edit') {
                    627: 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
                    628: 	    &Apache::structuretags::problem_edit_header();
                    629: 	$Apache::lonxml::warnings_error_header=
                    630: 	    &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
                    631: 	my $temp=&Apache::edit::insertlist($target,$token);
                    632: 	$result.=$temp;
1.1       albertel  633:     } else {
                    634: 	# page_start returned a starting result, delete it if we don't need it
                    635: 	$result = '';
                    636:     }
                    637:     return $result;
                    638: }
                    639: 
1.32      albertel  640: sub get_key_todo {
                    641:     my ($target)=@_;
                    642:     my $todo;
1.33      albertel  643: 
                    644:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  645: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  646: 	$env{'form.queue'}='reviewqueue';
                    647: 	return (undef,'show_list');
                    648:     }
                    649: 
                    650:     if (defined($env{'form.reviewagrading'})) {
                    651: 	&Apache::lonxml::debug("review a grading....");
                    652: 	$env{'form.queue'}='gradingqueue';
                    653: 	return (undef,'show_list');
                    654:     }
                    655: 
1.49      albertel  656:     if (defined($env{'form.regradeasubmission'})) {
                    657: 	&Apache::lonxml::debug("regrade a grading....");
                    658: 	$env{'form.queue'}='none';
                    659: 	return (undef,'select_user');
                    660:     }
                    661: 
1.105     albertel  662: 
                    663:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    664: 
                    665:     #need to try both queues..
                    666:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    667: 	defined($env{'form.gradinguser'})               &&
                    668: 	defined($env{'form.gradingdomain'})               ) {
                    669: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    670: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    671: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    672: 	my $uname = $env{'form.gradinguser'};
                    673: 	my $udom  = $env{'form.gradingdomain'};
                    674: 
                    675: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    676: 
                    677: 	my $queue;
                    678: 
                    679: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    680: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    681: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    682: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    683: 	}
                    684: 	
                    685: 	if (!$queue) {
                    686: 	    $env{'form.queue'} = $queue = 'none';
                    687: 	    #not queued so doing either a re or pre grade
                    688: 	    return ($gradingkey);
                    689: 	}
                    690: 
                    691: 	my $who=&queue_key_locked($queue,$gradingkey);
                    692: 	if ($who eq $me) {
                    693: 	    #already have the lock
                    694: 	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
                    695: 	    return ($gradingkey);
                    696: 	}
                    697: 	
                    698: 	if (!defined($who)) {
                    699: 	    if (&lock_key($queue,$gradingkey)) {
                    700: 		return ($gradingkey);
                    701: 	    } else {
                    702: 		return (undef,'lock_failed');
                    703: 	    }
                    704: 	}
                    705: 
                    706: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    707: 	return (undef,'not_allowed',
                    708: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
                    709: 		    $who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));
                    710:     }
                    711: 
                    712: 
1.32      albertel  713:     my $queue=$env{'form.queue'};
1.33      albertel  714: 
1.32      albertel  715:     if (!defined($queue)) {
                    716: 	$env{'form.queue'}=$queue='gradingqueue';
                    717:     }
1.33      albertel  718: 
1.32      albertel  719:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  720: 
1.49      albertel  721:     if ($env{'form.queue'} eq 'none') {
                    722: 	if (defined($env{'form.gradingkey'})) {
                    723: 	    if ($target eq 'webgrade') {
                    724: 		if ($env{'form.stop'}) {
                    725: 		    return (undef,'stop');
                    726: 		} elsif ($env{'form.next'}) {
1.59      albertel  727: 		    return (undef,'select_user');
1.49      albertel  728: 		}
                    729: 	    }
                    730: 	    return ($gradingkey,'selected');
                    731: 	} else {
1.59      albertel  732: 	    return (undef,'select_user');
1.49      albertel  733: 	}
                    734:     }
1.32      albertel  735:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  736: 	&& !defined($env{'form.gradingaction'}) 
                    737: 	&& $env{'form.queuemode'} eq 'selected') {
                    738: 	
                    739: 	my $who=&queue_key_locked($queue,$gradingkey);
                    740: 	if ($who eq $me) {
                    741: 	    &Apache::lonxml::debug("Found a key was given to me");
                    742: 	    return ($gradingkey,'selected');
                    743: 	} else {
                    744: 	    return (undef,'show_list');
                    745: 	}
                    746: 
                    747:     }
                    748: 
                    749:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    750: 	if ($env{'form.gradingaction'} eq 'resume') {
                    751: 	    delete($env{'form.gradingaction'});
                    752: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  753: 	    return ($gradingkey);
1.33      albertel  754: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    755: 	    &Apache::lonxml::debug("Unlocking a key ".
                    756: 				     &check_queue_unlock($queue,$gradingkey,1));
                    757: 	    return (undef,'unlock');
                    758: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    759: 	    &Apache::lonxml::debug("Locking a key");
                    760: 	    if (&lock_key($queue,$gradingkey)) {
                    761: 		&Apache::lonxml::debug("Success $queue");
                    762: 		return ($gradingkey);
                    763: 	    }
                    764: 	    &Apache::lonxml::debug("Failed $queue");
                    765: 	    return (undef,'lock_failed');
1.32      albertel  766: 	}
                    767:     }
1.33      albertel  768: 
                    769:     if ($env{'form.queuemode'} ne 'selected') {
                    770: 	# don't get something new from the queue if they hit the stop button
                    771:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    772: 	    && !$env{'form.gradingaction'}) {
                    773: 	    &Apache::lonxml::debug("Getting anew $queue");
                    774: 	    return (&get_from_queue($queue));
                    775: 	} else {
                    776: 	    return (undef,'stop');
                    777: 	}
1.32      albertel  778:     }
1.33      albertel  779:     return (undef,undef)
1.32      albertel  780: }
1.94      albertel  781: 
                    782: sub minimize_storage {
                    783:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    784: 	if ($key =~ /regrader$/) { next; }
                    785: 	if ($Apache::lonhomework::results{$key} eq
                    786: 	    $Apache::lonhomework::history{$key}) {
                    787: 	    delete($Apache::lonhomework::results{$key});
                    788: 	}
                    789:     }
                    790: }
                    791: 
1.1       albertel  792: sub end_Task {
                    793:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    794:     my $result='';
                    795:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  796:     my ($version,$previous)=&get_version();
1.1       albertel  797:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  798: 	$target eq 'tex') {
1.69      albertel  799: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  800: 	    if ($target eq 'web') {
1.54      albertel  801: 		if (&show_task($status,$previous)) {
                    802: 		    $result.=&Apache::lonxml::endredirection();
                    803: 		}
1.64      albertel  804: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    805: 		    !$env{'form.donescreen'}) {
1.15      albertel  806: 		    $result.="\n".'<table border="1">'.
1.28      albertel  807: 			&Apache::inputtags::file_selector("$version.0",
                    808: 							  "bridgetask","*",
1.46      albertel  809: 							  'portfolioonly',
                    810: 							  '
                    811: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    812: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  813: 							  "</table>";
1.77      albertel  814: 		}
1.78      albertel  815: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    816: 		    &show_task($status,$previous)) {
1.9       albertel  817: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  818: 		    $result.='</form>';
1.116     albertel  819: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  820: 		    $result.=<<DONEBUTTON;
1.115     albertel  821: <form name="done" method="post" action="$action">
1.64      albertel  822:    <input type="hidden" name="donescreen" value="1" />
                    823:    <input type="submit" value="Done" />
                    824: </form>
                    825: DONEBUTTON
1.77      albertel  826:                 }
1.56      albertel  827: 		if (&show_task($status,$previous) &&
1.89      albertel  828: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    829: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  830: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  831: 
                    832: 		    my $slot_name=
1.89      albertel  833: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  834: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  835: 		    my $start_time=
                    836: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  837: 
1.116     albertel  838: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel  839: 		    
                    840: 		    if ($bt_status eq 'pass')  {
                    841: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  842: 			    $start_time.'</h2>';
1.54      albertel  843: 		    }
                    844: 		    if ($bt_status eq 'fail')  {
                    845: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  846: 			    $start_time.'</h2>';
1.54      albertel  847: 			if (!$previous) {
                    848: 			    $status.=&add_request_another_attempt_button();
                    849: 			}
                    850: 		    }
                    851: 		    my $man_count=0;
                    852: 		    my $opt_count=0;
                    853: 		    my $opt_passed=0;
                    854: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    855: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    856: 			    eq 'N') {
                    857: 			    $opt_count++;
1.89      albertel  858: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  859: 				$opt_passed++;
                    860: 			    }
                    861: 			} else {
                    862: 			    $man_count++;
                    863: 			}
                    864: 		    }
                    865: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    866: 							 $parstack,$safeeval);
                    867: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  868: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  869: 
                    870: 		    my $internal_location=&internal_location();
                    871: 		    $result=~s/\Q$internal_location\E/$status/;
                    872: 		}
1.13      albertel  873: 	    } 
1.117     albertel  874: 	    if ($target eq 'web') {
                    875: 		$result.="\n</div>\n".&Apache::lonxml::xmlend().'</html>';
1.1       albertel  876: 	    }
                    877: 	}
1.29      albertel  878: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  879: 	    my $award='SUBMITTED';
1.28      albertel  880: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  881: 						    'portfiles',\$award);
1.14      albertel  882: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  883: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    884: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    885: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    886: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    887: 
                    888: 		$Apache::lonhomework::results{"resource.0.award"}=
                    889: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    890: 		    $award;
1.51      albertel  891: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    892: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  893: 	    } else {
                    894: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  895: 		$award = '';
1.10      albertel  896: 	    }
1.4       albertel  897: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    898: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  899: 	    if ($award eq 'SUBMITTED'
                    900: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  901: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  902: 	    }
1.79      albertel  903: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    904: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  905: 	}
1.32      albertel  906: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  907: 	    my $optional_required=
                    908: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    909: 					   $safeeval);
                    910: 	    my $optional_passed=0;
                    911: 	    my $mandatory_failed=0;
                    912: 	    my $ungraded=0;
                    913: 	    my $review=0;   
1.21      albertel  914: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  915: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    916: 		my $status=
1.89      albertel  917: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  918: 		my $mandatory=
                    919: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    920: 		if ($status eq 'pass') {
                    921: 		    if (!$mandatory) { $optional_passed++; }
                    922: 		} elsif ($status eq 'fail') {
                    923: 		    if ($mandatory) { $mandatory_failed++; }
                    924: 		} elsif ($status eq 'ungraded') {
                    925: 		    $ungraded++;
                    926: 		} elsif ($status eq 'review') {
                    927: 		    $review++;
1.49      albertel  928: 		} else {
                    929: 		    $ungraded++;
                    930: 		}
1.20      albertel  931: 	    }
                    932: 	    if ($optional_passed < $optional_required) {
                    933: 		$mandatory_failed++;
                    934: 	    }
1.21      albertel  935: 	    &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.89      albertel  936: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  937: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    938: 	    if ($review) {
1.89      albertel  939: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  940: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    941: 		    &check_queue_unlock($env{'form.queue'});
                    942: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    943: 		} else {
1.49      albertel  944: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  945: 		}
1.20      albertel  946: 	    } elsif ($ungraded) {
1.89      albertel  947: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  948: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    949: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  950: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  951: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  952: 		} else {
                    953: 		    &check_queue_unlock($env{'form.queue'});
                    954: 		}
1.20      albertel  955: 	    } elsif ($mandatory_failed) {
1.89      albertel  956: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  957: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    958: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    959: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  960: 		&remove_from_queue($env{'form.queue'}); 
                    961: 
                    962: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  963: 		
                    964: 		if ($env{'form.regrade'} ne 'yes') {
                    965: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    966: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    967: 		    &Apache::grades::version_portfiles(
                    968: 						       \%Apache::lonhomework::results,
                    969: 						       ["$version.0.bridgetask"],$courseid,
                    970: 						       $symb,$udom,$uname,
                    971: 						       ["$version.0.bridgetask"]);
                    972: 		}
1.20      albertel  973: 	    } else {
1.89      albertel  974: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  975: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    976: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    977: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  978: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  979: 
                    980: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  981: 		if ($env{'form.regrade'} ne 'yes') {
                    982: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    983: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    984: 		    &Apache::grades::version_portfiles(
                    985: 						       \%Apache::lonhomework::results,
                    986: 						       ["$version.0.bridgetask"],$courseid,
                    987: 						       $symb,$udom,$uname,
                    988: 						       ["$version.0.bridgetask"]);
                    989: 		}
1.20      albertel  990: 	    }
1.89      albertel  991: 	    $Apache::lonhomework::results{"resource.0.status"}=
                    992: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  993: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  994: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  995: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  996: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  997: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  998: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  999: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel 1000: 	    }
1.94      albertel 1001: 	    &minimize_storage();
1.21      albertel 1002: 	    &Apache::structuretags::finalize_storage();
1.20      albertel 1003: 	}
1.15      albertel 1004:     } elsif ($target eq 'webgrade') {
1.111     albertel 1005: 	$result.="</div>\n<hr />";
1.20      albertel 1006: 	#$result.='<input type="submit" name="next" value="'.
                   1007: 	#    &mt('Save &amp; Next').'" /> ';
                   1008: 	#$result.='<input type="submit" name="end" value="'.
                   1009: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1010: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1011: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1012: 	#$result.='<input type="submit" name="save" value="'.
                   1013: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.117     albertel 1014: 	$result.='</form>'."\n</div>\n".
                   1015: 	    &Apache::loncommon::endbodytag().'</html>';
1.1       albertel 1016:     } elsif ($target eq 'meta') {
1.70      albertel 1017: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1018:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1019: 						      'Problem Status');
                   1020: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1021: 						      'Number of Attempts');
                   1022: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1023: 						      'Partial Credit Factor');
                   1024: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1025: 						      'Bridge Task Status');
1.1       albertel 1026:     }
1.4       albertel 1027:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1028:     return $result;
                   1029: }
                   1030: 
1.31      albertel 1031: sub move_between_queues {
                   1032:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1033:     my $cur_data;
                   1034:     if ($src_queue ne 'none') {
                   1035: 	$cur_data=&get_queue_data($src_queue);
                   1036: 	if (!$cur_data) { return 'not_exist'; }
                   1037:     } else {
                   1038: 	$cur_data = ['none'];
                   1039:     }
1.82      albertel 1040:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel 1041:     if ($result ne 'ok') {
                   1042: 	return $result;
                   1043:     }
                   1044:     &check_queue_unlock($src_queue);
                   1045:     return &remove_from_queue($src_queue);
1.21      albertel 1046: }
                   1047: 
                   1048: sub check_queue_unlock {
1.32      albertel 1049:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1050:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1051:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1052:     if (!defined($key)) {
                   1053: 	$key="$symb\0queue\0$uname\@$udom";
                   1054:     }
1.30      albertel 1055:     my $cnum=$env{'course.'.$cid.'.num'};
                   1056:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1057:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1058:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1059:     if  ($who eq $me) {
1.32      albertel 1060: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1061:     } elsif ($allow_not_me) {
1.33      albertel 1062: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1063: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1064:     }
1.32      albertel 1065:     return 'not_owner';
1.21      albertel 1066: }
                   1067: 
1.88      albertel 1068: sub in_queue {
                   1069:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1070:     if ($queue eq 'none') { return 0; }
                   1071:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1072: 	|| !defined($udom) || !defined($uname)) {
                   1073: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1074: 	$cnum=$env{'course.'.$cid.'.num'};
                   1075: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1076:     }
                   1077: 
                   1078:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1079:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1080: 
                   1081:     if (defined($results{$key})) {
                   1082: 	return 1;
                   1083:     }
                   1084:     return 0;
                   1085: }
                   1086: 
1.21      albertel 1087: sub remove_from_queue {
1.86      albertel 1088:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1089:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1090:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1091: 	|| !defined($udom) || !defined($uname)) {
                   1092: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1093: 	$cnum=$env{'course.'.$cid.'.num'};
                   1094: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1095:     }
1.88      albertel 1096:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1097: 	return 'ok';
                   1098:     }
1.86      albertel 1099:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1100:     my @keys=($key,"$key\0locked");
1.31      albertel 1101:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1102: }
                   1103: 
1.16      albertel 1104: sub setup_env_for_other_user {
                   1105:     my ($queue_key,$safeeval)=@_;
                   1106:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1107:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1108:     $env{'form.grade_symb'}=$symb;
                   1109:     $env{'form.grade_domain'}=$udom;
                   1110:     $env{'form.grade_username'}=$uname;
                   1111:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1112:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1113: }
                   1114: 
1.31      albertel 1115: sub get_queue_data {
                   1116:     my ($queue)=@_;
                   1117:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1118:     my $cnum=$env{'course.'.$cid.'.num'};
                   1119:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1120:     my $todo="$symb\0queue\0$uname\@$udom";
                   1121:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1122:     if ($key eq $todo && ref($value)) {
                   1123: 	return $value;
                   1124:     }
                   1125:     return undef;
                   1126: }
                   1127: 
1.84      albertel 1128: 
1.49      albertel 1129: sub check_queue_for_key {
1.84      albertel 1130:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1131: 
1.49      albertel 1132:     my %results=
                   1133: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1134:     
                   1135:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1136: 	if (defined($results{"$todo\0locked"})) {
                   1137: 	    return 'locked';
                   1138: 	}
1.86      albertel 1139: 	my $slot;
                   1140: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1141: 	    $slot = $results{$todo}[0];
                   1142: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1143: 	    $slot = $results{$todo}{'slot'};
                   1144: 	}
                   1145: 	if (defined($slot)) {
                   1146: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1147: 	    if ($slot_data{'endtime'} > time) { 
                   1148: 		return 'in_progress';
                   1149: 	    }
1.58      albertel 1150: 	}
1.49      albertel 1151: 	return 'enqueued';
                   1152:     }
                   1153:     return undef;
                   1154: }
                   1155: 
1.14      albertel 1156: sub add_to_queue {
1.82      albertel 1157:     my ($queue,$user_data)=@_;
1.49      albertel 1158:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1159:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1160:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1161: 	return 'no_queue';
                   1162:     }
1.14      albertel 1163:     my $cnum=$env{'course.'.$cid.'.num'};
                   1164:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1165:     my %data;
1.82      albertel 1166:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1167:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1168: }
                   1169: 
                   1170: sub show_queue {
1.32      albertel 1171:     my ($queue,$with_selects)=@_;
1.14      albertel 1172:     my $result;
                   1173:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1174:     my $cnum=$env{'course.'.$cid.'.num'};
                   1175:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1176: 
                   1177:     my @chosen_sections=
                   1178: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1179:     &Apache::grades::init_perm();
                   1180:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1181:     &Apache::grades::reset_perm();
1.63      albertel 1182:     if (!(grep(/^all$/,@chosen_sections))) {
                   1183: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1184: 	    '</tt>.</p> '."\n";
                   1185:     }
1.59      albertel 1186: 
1.16      albertel 1187:     my $regexp="^$symb\0";
1.30      albertel 1188:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1189:     my ($tmp)=%queue;
                   1190:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1191: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1192:     }
1.103     albertel 1193:     my $title=&Apache::lonnet::gettitle($symb);
                   1194:     $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
                   1195:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
                   1196:     $result.="<th>user</th><th>data</th></tr>";
1.14      albertel 1197:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1198: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1199: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1200: 	if ($key=~/locked$/ && !$with_selects) {
1.103     albertel 1201: 	    $result.="<tr><td>$uname</td>";
                   1202: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1203: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.103     albertel 1204: 	    $result.="<tr><td></td>";
                   1205: 	    $result.='<td>'.
1.16      albertel 1206: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1207: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1208: 	    $result.="<tr>";
1.35      albertel 1209: 	    my $slot=$queue{$key}->[0];
                   1210: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1211: 	    if ($with_selects) {
                   1212: 		my $ekey=&Apache::lonnet::escape($key);
1.103     albertel 1213: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1214: 		if (exists($queue{"$key\0locked"})) {
                   1215: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1.103     albertel 1216: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1217: 		    if ($me eq $queue{"$key\0locked"}) {
                   1218: 			($action,$description)=('resume',&mt('Resume'));
                   1219: 		    } else {
                   1220: 			($action,$description)=('unlock',&mt('Unlock'));
                   1221: 		    }
                   1222: 		}
1.62      albertel 1223: 		my $seclist;
                   1224: 		foreach my $sec (@chosen_sections) {
                   1225: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1226:                                value="'.$sec.'" />';
                   1227: 		}
1.35      albertel 1228: 		if (time > $slot_data{'endtime'}) {
                   1229: 		    $result.=(<<FORM);
1.103     albertel 1230: <td>$status</td>
1.32      albertel 1231: <td>
1.115     albertel 1232: <form style="display: inline" method="post">
1.32      albertel 1233:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1234:  <input type="hidden" name="queue" value="$queue" />
                   1235:  <input type="hidden" name="gradingaction" value="$action" />
                   1236:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1237:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1238:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1239:  $seclist
1.32      albertel 1240: </form>
                   1241: </td>
                   1242: FORM
1.35      albertel 1243: 
                   1244:                 } else {
                   1245: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1246: 		}
1.32      albertel 1247: 	    }
1.104     albertel 1248: 	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
                   1249: 		" <tt>($uname\@$udom)</tt> </td>";
1.103     albertel 1250: 	    $result.='<td>Slot: '.$slot.' End time: '.
1.20      albertel 1251: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1252: 		"</td></tr>";
1.16      albertel 1253: 	}
1.14      albertel 1254:     }
1.15      albertel 1255:     $result.="</table><hr />\n";
1.14      albertel 1256:     return $result;
                   1257: }
                   1258: 
1.34      albertel 1259: sub get_queue_counts {
                   1260:     my ($queue)=@_;
                   1261:     my $result;
                   1262:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1263:     my $cnum=$env{'course.'.$cid.'.num'};
                   1264:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1265:     my $regexp="^$symb\0";
                   1266:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1267:     my ($tmp)=%queue;
                   1268:     if ($tmp=~/^error: 2 /) {
                   1269: 	return (0,0,0);
                   1270:     }
                   1271:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1272:     my %slot_cache;
1.34      albertel 1273:     foreach my $key (sort(keys(%queue))) {
                   1274: 	if ($key=~/locked$/) {
                   1275: 	    $locks++;
                   1276: 	} elsif ($key=~/timestamp$/) {
                   1277: 	    #ignore
                   1278: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1279: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1280: 	    $entries++;
                   1281: 	    my $slot=$queue{$key}->[0];
1.96      albertel 1282: 	    if (!exists($slot_cache{$slot})) {
                   1283: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1284: 		$slot_cache{$slot} = \%slot_data;
                   1285: 	    }
                   1286: 	    if (time > $slot_cache{$slot}{'endtime'}) {
1.34      albertel 1287: 		$ready_to_grade++;
                   1288: 	    }
                   1289: 	}
                   1290:     }
                   1291:     return ($entries,$ready_to_grade,$locks);
                   1292: }
                   1293: 
1.49      albertel 1294: sub encode_queue_key {
                   1295:     my ($symb,$udom,$uname)=@_;
                   1296:     return "$symb\0queue\0$uname\@$udom";
                   1297: }
                   1298: 
1.14      albertel 1299: sub decode_queue_key {
                   1300:     my ($key)=@_;
                   1301:     my ($symb,undef,$user) = split("\0",$key);
                   1302:     my ($uname,$udom) = split('@',$user);
                   1303:     return ($symb,$uname,$udom);
                   1304: }
                   1305: 
                   1306: sub queue_key_locked {
1.30      albertel 1307:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1308:     if (!defined($cdom) || !defined($cnum)) {
                   1309: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1310: 	$cnum=$env{'course.'.$cid.'.num'};
                   1311: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1312:     }
1.14      albertel 1313:     my ($key_locked,$value)=
1.30      albertel 1314: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1315:     if ($key_locked eq "$key\0locked") {
                   1316: 	return $value;
                   1317:     }
                   1318:     return undef;
                   1319: }
                   1320: 
                   1321: sub pick_from_queue_data {
1.30      albertel 1322:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1.98      albertel 1323:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1324:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1325: 	if ($key =~ /\0locked$/) { next; }
                   1326: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1327: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1328: 	if ($check_section) {
                   1329: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1330: 	    if ($section eq $check_section) {
1.33      albertel 1331: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1332: 		next;
                   1333: 	    }
1.14      albertel 1334: 	}
1.30      albertel 1335: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1336: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1337: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1338: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1339: 	    next;
                   1340: 	}
1.98      albertel 1341: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1342: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1343: 	    next;
                   1344: 	}
1.98      albertel 1345: 	push(@possible,[$key,$slot_data{'endtime'}]);
                   1346:     }
                   1347:     if (@possible) {
                   1348:         # sort entries in order by slot end time
                   1349: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
                   1350: 	# pick one of the first ten entries
                   1351: 	my $max=($#possible < 10) ? $#possible : 10;
                   1352: 	return $possible[int(rand($max))][0];
1.14      albertel 1353:     }
                   1354:     return undef;
                   1355: }
                   1356: 
1.15      albertel 1357: sub find_mid_grade {
1.30      albertel 1358:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1359:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1360:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1361:     if ($todo) {
1.30      albertel 1362: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1363: 	if ($who eq $me) { return $todo; }
                   1364:     }
                   1365:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1366:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1367:     foreach my $key (keys(%locks)) {
                   1368: 	my $who=$locks{$key};
                   1369: 	if ($who eq $me) {
                   1370: 	    $todo=$key;
                   1371: 	    $todo=~s/\0locked$//;
                   1372: 	    return $todo;
                   1373: 	}
                   1374:     }
                   1375:     return undef;
                   1376: }
                   1377: 
1.32      albertel 1378: sub lock_key {
                   1379:     my ($queue,$todo)=@_;
                   1380:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1381:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1382:     my $cnum=$env{'course.'.$cid.'.num'};
                   1383:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1384:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1385: 					$cdom,$cnum);
1.33      albertel 1386:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1387:     if ($success eq 'ok') {
                   1388: 	return 1;
                   1389:     }
                   1390:     return 0;
                   1391: }
                   1392: 
1.86      albertel 1393: sub get_queue_symb_status {
1.85      albertel 1394:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1395:     if (!defined($cdom) || !defined($cnum)) {
                   1396: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1397: 	$cnum=$env{'course.'.$cid.'.num'};
                   1398: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1399:     }
                   1400:     my $regexp="^$symb\0";
                   1401:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1402:     my ($tmp)=%queue;
                   1403:     if ($tmp=~/^error: 2 /) { return; }
                   1404:     my @users;
                   1405:     foreach my $key (sort(keys(%queue))) {
                   1406: 	next if ($key=~/locked$/);
                   1407: 	next if ($key=~/timestamp$/);
                   1408: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1409: 	push(@users,"$uname:$udom");
                   1410:     }
                   1411:     return @users;
                   1412: }
                   1413: 
1.14      albertel 1414: sub get_from_queue {
1.30      albertel 1415:     my ($queue)=@_;
1.14      albertel 1416:     my $result;
                   1417:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1418:     my $cnum=$env{'course.'.$cid.'.num'};
                   1419:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1420:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1421:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1422:     if ($todo) { return $todo; }
1.95      albertel 1423:     my $attempts=0;
1.14      albertel 1424:     while (1) {
1.95      albertel 1425: 	if ($attempts > 2) {
                   1426: 	    # tried twice to get a queue entry, giving up
                   1427: 	    return (undef,'unable');
                   1428: 	}
1.14      albertel 1429: 	my $starttime=time;
1.83      albertel 1430: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1431: 			      $cdom,$cnum);
1.33      albertel 1432: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1433: 	my $regexp="^$symb\0queue\0";
1.97      albertel 1434: 	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
                   1435: 
1.98      albertel 1436: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1437: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1438: 	if ($env{'request.course.sec'}) {
1.33      albertel 1439: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1440: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1441: 					\%queue,$cdom,$cnum);
1.33      albertel 1442: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1443: 	}
1.33      albertel 1444: 	# no one _not_ in our section so look for any user that is
                   1445: 	# ready for grading
1.14      albertel 1446: 	if (!$todo) {
1.33      albertel 1447: 	    &Apache::lonxml::debug("no sce");
1.98      albertel 1448: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
1.33      albertel 1449: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1450: 	}
                   1451: 	# no user to grade 
                   1452: 	if (!$todo) { last; }
1.33      albertel 1453: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1454: 	# otherwise found someone so lets try to lock them
1.32      albertel 1455: 	# unless someone else already picked them
1.95      albertel 1456: 	if (!&lock_key($queue,$todo)) {
                   1457: 	    $attempts++;
                   1458: 	    next;
                   1459: 	}
1.14      albertel 1460: 	my (undef,$endtime)=
1.30      albertel 1461: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1462: 				 $cdom,$cnum);
1.33      albertel 1463: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1464: 	# someone else already modified the queue, 
                   1465: 	# perhaps our picked user wass already fully graded between
                   1466: 	# when we picked him and when we locked his record? so lets
                   1467: 	# double check.
                   1468: 	if ($endtime != $starttime) {
                   1469: 	    my ($key,$value)=
1.30      albertel 1470: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1471: 				     $cdom,$cnum);
1.33      albertel 1472: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1473: 	    if ($key eq $todo && ref($value)) {
                   1474: 	    } else {
1.30      albertel 1475: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1476: 				     $cdom,$cnum);
1.33      albertel 1477: 		&Apache::lonxml::debug("del");
1.95      albertel 1478: 		$attempts++;
1.14      albertel 1479: 		next;
                   1480: 	    }
                   1481: 	}
1.33      albertel 1482: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1483: 	last;
                   1484:     }
                   1485:     return $todo;
                   1486: }
                   1487: 
1.49      albertel 1488: sub select_user {
                   1489:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1490: 
1.59      albertel 1491:     my @chosen_sections=
                   1492: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1493:     &Apache::grades::init_perm();
1.59      albertel 1494:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1495:     &Apache::grades::reset_perm();
1.63      albertel 1496:     
                   1497:     my $result;
                   1498:     if (!(grep(/^all$/,@chosen_sections))) {
                   1499: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1500: 	    '</tt>.</p> '."\n";
                   1501:     }
                   1502:     $result.='<table border="1">';
1.49      albertel 1503: 
                   1504:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1505: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1506: 	
1.84      albertel 1507: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1508: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1509: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1510: 					 'Task');
1.49      albertel 1511: 	my $queue = 'none';
1.58      albertel 1512: 	my $cannot_grade;
                   1513: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1514: 	    $queue = 'reviewqueue';
1.58      albertel 1515: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1516: 		$cannot_grade=1;
                   1517: 	    }
                   1518: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1519: 	    $queue = 'gradingqueue';
1.58      albertel 1520: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1521: 		$cannot_grade=1;
                   1522: 	    }
1.49      albertel 1523: 	}
                   1524: 	my $todo = 
                   1525: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1526: 	if ($cannot_grade) {
                   1527: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1528: 		'</td><td>';
                   1529: 	} else {
1.62      albertel 1530: 	    my $seclist;
                   1531: 	    foreach my $sec (@chosen_sections) {
                   1532: 		$seclist.='<input type="hidden" name="chosensections" 
                   1533:                                value="'.$sec.'" />';
                   1534: 	    }
1.102     albertel 1535: 	    my $studentdis = $student;
                   1536: 	    $studentdis =~ tr/:/@/;
1.58      albertel 1537: 	    $result.=<<RESULT;
1.49      albertel 1538: <tr>
                   1539:   <td>
1.115     albertel 1540:     <form style="display: inline" method="post">
1.49      albertel 1541:       <input type="hidden" name="gradingkey" value="$todo" />
                   1542:       <input type="hidden" name="queue" value="$queue" />
                   1543:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1544:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1545:       <input type="submit" name="submit" value="Regrade" />
                   1546:       $seclist
1.49      albertel 1547:     </form>
1.102     albertel 1548:   <td>$fullname->{$student} <tt>($studentdis)</tt></td>
1.49      albertel 1549:   <td>
                   1550: RESULT
1.58      albertel 1551:         }
1.49      albertel 1552:         if ($status{'status'} eq 'pass') {
                   1553: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1554: 	} elsif ($status{'status'} eq 'fail') {
                   1555: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1556: 	} elsif ($status{'status'} eq 'review') {
                   1557: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1558: 	} elsif ($status{'status'} eq 'ungraded') {
                   1559: 	    $result .= &mt('Ungraded');
                   1560: 	} elsif ($status{'status'} ne '') {
                   1561: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1562: 	} else {
                   1563: 	    $result.="&nbsp;";
                   1564: 	}
                   1565: 	if ($status{'version'}) {
                   1566: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1567: 	}
1.101     albertel 1568: 	if ($status{'grader'}) {
                   1569: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1570: 	}
1.49      albertel 1571: 	$result.= '</td><td>';
                   1572: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1573: 	    $result .= &mt('Awaiting Review');
                   1574: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1575: 	    $result .= &mt('Under Review');
1.58      albertel 1576: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1577: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1578: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1579: 	    $result .= &mt('Awaiting Grading');
                   1580: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1581: 	    $result .= &mt('Being Graded');
1.58      albertel 1582: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1583: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1584: 	} else {
                   1585: 	    $result.="&nbsp;";
                   1586: 	}
                   1587: 	$result.= '</td></tr>';
                   1588:     }
                   1589:     $result.='</table>';
                   1590:     return $result;
                   1591: }
                   1592: 
                   1593: sub get_student_status {
1.86      albertel 1594:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1595: 
                   1596:     my %status;
                   1597: 
                   1598:     if ($type eq 'Task') {
                   1599: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1600: 					  $udom,$uname);
1.89      albertel 1601: 	$status{'status'}=$record{'resource.0.status'};
                   1602: 	$status{'version'}=$record{'resource.0.version'};
                   1603: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1604:     }
                   1605:     $status{'reviewqueue'}=
                   1606: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1607: 			     &encode_queue_key($symb,$udom,$uname));
                   1608:     $status{'gradingqueue'}=
                   1609: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1610: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1611:     return %status;
                   1612: }
                   1613: 
1.1       albertel 1614: sub start_ClosingParagraph {
                   1615:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1616:     my $result;
                   1617:     if ($target eq 'web') {
1.13      albertel 1618:     } elsif ($target eq 'webgrade') {
                   1619: 	&Apache::lonxml::startredirection();
1.1       albertel 1620:     }
                   1621:     return $result;
                   1622: }
                   1623: 
                   1624: sub end_ClosingParagraph {
                   1625:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1626:     my $result;
                   1627:     if ($target eq 'web') {
1.13      albertel 1628:     } elsif ($target eq 'webgrade') {
                   1629: 	&Apache::lonxml::endredirection();
1.1       albertel 1630:     }
                   1631:     return $result;
                   1632: }
                   1633: 
1.19      albertel 1634: sub get_id {
                   1635:     my ($parstack,$safeeval)=@_;
                   1636:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1637:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1638:     return $id;
                   1639: }
                   1640: 
1.1       albertel 1641: my %dimension;
                   1642: sub start_Dimension {
                   1643:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1644:     undef(%dimension);
1.19      albertel 1645:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1646:     $Apache::bridgetask::dimension=$dim_id;
                   1647:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1648:     undef(@Apache::bridgetask::instance);
1.20      albertel 1649:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1650: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1651:     &Apache::lonxml::startredirection();
                   1652:     return &internal_location($dim_id);
1.1       albertel 1653: }
                   1654: 
1.13      albertel 1655: sub get_instance {
1.75      albertel 1656:     my ($dim)=@_;
                   1657:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1658:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1659: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1660: 	$rand_alg eq '64bit4' ) {
                   1661: 	&Apache::response::pushrandomnumber();
                   1662: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1663: 	my $num=@order;
                   1664: 	my $version=&get_version();
                   1665: 	my $which=($version-1)%$num;
                   1666: 	return $order[$which];
                   1667:     } else {
                   1668: 	my ($version,$previous) = &get_version();
                   1669: 	my $instance = 
                   1670: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1671: 	if (defined($instance)) { return $instance; }
                   1672: 
                   1673: 	&Apache::response::pushrandomnumber();
                   1674: 	my @instances = @{$dimension{'instances'}};
                   1675: 	# remove disabled instances
                   1676: 	for (my $i=0; $i < $#instances; $i++) {
                   1677: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1678: 		splice(@instances,$i,1);
                   1679: 		$i--;
                   1680: 	    }
                   1681: 	}
                   1682: 	@instances = &Math::Random::random_permutation(@instances);
                   1683: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1684: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1685: 	    $instance;
1.79      albertel 1686: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1687: 	&Apache::response::poprandomnumber();
                   1688: 	return $instance;
                   1689:     }
1.13      albertel 1690: }
                   1691: 
1.18      albertel 1692: {
                   1693:     my $last_link;
                   1694:     sub end_Dimension {
                   1695: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1696: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1697: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1698: 	my $instance=&get_instance($dim);
1.25      albertel 1699: 	my $version=&get_version();
1.18      albertel 1700: 	if ($target eq 'web') {
1.47      albertel 1701: 	    @Apache::scripttag::parser_env = @_;
                   1702: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1703: 	    my @instances = $instance;
                   1704: 	    if (&Apache::response::showallfoils()) {
                   1705: 		@instances = @{$dimension{'instances'}};
                   1706: 	    }
                   1707: 	    foreach my $instance (@instances) {
                   1708: 		@Apache::scripttag::parser_env = @_;
                   1709: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1710: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1711: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1712: 
1.89      albertel 1713: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1714: 		    my $mandatory='Mandatory';
                   1715: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1716: 			$mandatory='Optional';
                   1717: 		    }
1.116     albertel 1718: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 1719: 		    if ($dim_status eq 'pass') {
                   1720: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1721: 		    }
1.76      albertel 1722: 		    if ($dim_status eq 'fail') {
                   1723: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1724: 		    }
1.76      albertel 1725: 		    my $man_count=0;
                   1726: 		    my $man_passed=0;
                   1727: 		    my $opt_count=0;
                   1728: 		    my $opt_passed=0;
                   1729: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1730: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1731: 			    eq 'N') {
                   1732: 			    $opt_count++;
1.89      albertel 1733: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1734: 				$opt_passed++;
                   1735: 			    }
                   1736: 			} else {
                   1737: 			    $man_count++;
1.89      albertel 1738: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1739: 				$man_passed++;
                   1740: 			    }
                   1741: 			}
1.22      albertel 1742: 		    }
1.76      albertel 1743: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1744: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1745: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1746: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1747: 
                   1748: 		    my $internal_location=&internal_location($dim);
                   1749: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1750: 
                   1751: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1752: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1753: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1754: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1755: 			if ($mandatory) {
                   1756: 			    $mandatory='Mandatory';
                   1757: 			} else {
                   1758: 			    $mandatory='Optional';
                   1759: 			}
                   1760: 			if ($status eq 'fail') {
                   1761: 			} elsif ($status eq 'pass') {
                   1762: 			} else {
                   1763: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1764: 			}
                   1765: 			my $status_display=$status;
                   1766: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1767: 			@Apache::scripttag::parser_env = @_;
1.116     albertel 1768: 			$result.=
                   1769: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   1770: 			    .$mandatory.' Criteria</h4><p>';
1.76      albertel 1771: 			@Apache::scripttag::parser_env = @_;
                   1772: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.116     albertel 1773: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.89      albertel 1774: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
1.116     albertel 1775: 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
1.76      albertel 1776: 			}
                   1777: 			$result.='</div>';
1.22      albertel 1778: 		    }
                   1779: 		}
                   1780: 	    }
1.18      albertel 1781: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1782: 	    # in case of any side effects that we need
                   1783: 	    @Apache::scripttag::parser_env = @_;
                   1784: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1785: 	    @Apache::scripttag::parser_env = @_;
                   1786: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1787: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.116     albertel 1788: 		my $link='LC_GRADE_criteria_'.$instance.'_'.$id;
1.89      albertel 1789: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.116     albertel 1790: 		$result.='<div class="LC_GRADE_criteria" id="'.$link.'">'."\n".
1.111     albertel 1791: 		    '<a name="'.$link.'" />'."\n".
                   1792: 		    '<a name="next_'.$last_link.'" />'."\n".
1.116     albertel 1793: 		    '<div class="LC_GRADE_criteriatext">'."\n";
1.47      albertel 1794: 		@Apache::scripttag::parser_env = @_;
                   1795: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.111     albertel 1796: 		$result.='</div>'."\n".
1.18      albertel 1797: 		    #$dimension{$instance.'.criteria.'.$id}.
1.116     albertel 1798: 		    '<div class="LC_GRADE_grade">'."\n".
                   1799: 		    '<label class="LC_GRADE_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   1800: 		    '<label class="LC_GRADE_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   1801: 		    '<label class="LC_GRADE_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   1802: 		    '<label class="LC_GRADE_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
1.111     albertel 1803: 		    '</div>'."\n".
1.116     albertel 1804: 		    '<label class="LC_GRADE_comment">'.&mt('Additional Comment for Student')."\n".
                   1805: 		    '<textarea class="LC_GRADE_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
1.111     albertel 1806: 		    '</label>'."\n".
1.116     albertel 1807: 		    '<ul class="LC_GRADE_navbuttons">'."\n".
1.111     albertel 1808: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   1809: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   1810: 		    '</ul>'."\n".
                   1811:                     '</div>'."\n";
1.113     albertel 1812: 		$result.=&grading_history($version,$dim,$instance,$id);
1.18      albertel 1813: 		$last_link=$link;
                   1814: 	    }
1.22      albertel 1815: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1816: 	    my $optional_passed=0;
1.20      albertel 1817: 	    my $mandatory_failed=0;
                   1818: 	    my $ungraded=0;
                   1819: 	    my $review=0;
1.19      albertel 1820: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1821: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
                   1822: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1.20      albertel 1823: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1824: 		if ($status eq 'pass') {
                   1825: 		    if (!$mandatory) { $optional_passed++; }
                   1826: 		} elsif ($status eq 'fail') {
                   1827: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1828: 		} elsif ($status eq 'review') {
                   1829: 		    $review++;
1.20      albertel 1830: 		} elsif ($status eq 'ungraded') {
                   1831: 		    $ungraded++;
1.21      albertel 1832: 		} else {
1.47      albertel 1833: 		    $ungraded++;
1.19      albertel 1834: 		}
                   1835: 	    }
1.20      albertel 1836: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1837: 		$mandatory_failed++;
                   1838: 	    }
1.21      albertel 1839: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1840: 	    if ($review) {
1.89      albertel 1841: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1842: 		    'review';
1.20      albertel 1843: 	    } elsif ($ungraded) {
1.89      albertel 1844: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1845: 		    'ungraded';
1.20      albertel 1846: 	    } elsif ($mandatory_failed) {
1.89      albertel 1847: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1848: 		    'fail';
1.20      albertel 1849: 	    } else {
1.91      albertel 1850: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1851: 		    'pass';
1.20      albertel 1852: 	    }
1.69      albertel 1853: 	} else {
                   1854: 	    # any other targets no output
                   1855: 	    undef($result);
1.13      albertel 1856: 	}
1.18      albertel 1857: 	return $result;
1.1       albertel 1858:     }
                   1859: }
                   1860: 
1.113     albertel 1861: sub grading_history {
                   1862:     my ($version,$dim,$instance,$criteria) = @_;
                   1863:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   1864: 	return '';
                   1865:     }
                   1866:     my ($result,$grader);
                   1867:     my $scope="resource.$version.0.$dim.$instance.$criteria";
                   1868:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   1869: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   1870: 	    my ($gname,$gdom) = 
                   1871: 		split('@',$Apache::lonhomework::history{$t.':resource.0.regrader'});
                   1872: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   1873: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   1874: 							 $gname,$gdom);
                   1875: 	}
                   1876: 	my $entry;
                   1877: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   1878: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   1879: 	}
                   1880: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   1881: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   1882: 	}
                   1883: 	if ($entry) {
                   1884: 	    $result.= "<li>$grader : $entry </li>";
                   1885: 	}
                   1886:     }
                   1887:     if ($result) {
1.117     albertel 1888: 	return '<ul class="LC_GRADE_pastgrading">'.$result.'</ul>';
1.113     albertel 1889:     }
                   1890:     return '';
                   1891: }
                   1892: 
1.1       albertel 1893: sub start_IntroParagraph {
1.87      albertel 1894:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1895:     my $result;
1.13      albertel 1896:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1897: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1898: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1899: 	
                   1900: 	} elsif ($target eq 'webgrade') {
1.87      albertel 1901: 	    &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.1       albertel 1902: 	}
1.47      albertel 1903: 	
1.1       albertel 1904:     }
                   1905:     return $result;
                   1906: }
                   1907: 
                   1908: sub end_IntroParagraph {
                   1909: }
                   1910: 
                   1911: sub start_Instance {
                   1912:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1913:     my $id=&get_id($parstack,$safeeval);
                   1914:     push(@{$dimension{'instances'}},$id);
                   1915:     push(@Apache::bridgetask::instance,$id);
                   1916:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1917:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1918: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1919:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1920:     if (lc($disabled) eq 'yes') {
                   1921: 	$dimension{$id.'.disabled'}='1';
                   1922:     }
1.1       albertel 1923:     return '';
                   1924: }
                   1925: 
                   1926: sub end_Instance {
                   1927: }
                   1928: 
                   1929: sub start_InstanceText {
1.87      albertel 1930:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1931:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1932:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1933:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1934: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1935:     }
                   1936:     return '';
                   1937: }
                   1938: 
                   1939: sub end_InstanceText {
                   1940:     return '';
                   1941: }
                   1942: 
                   1943: sub start_Criteria {
1.87      albertel 1944:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1945:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1946:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1947:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1948: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1949: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1950: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1951: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1952: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1953:     }
                   1954:     return '';
                   1955: }
                   1956: 
1.47      albertel 1957: sub end_Criteria {
                   1958: }
                   1959: 
1.4       albertel 1960: sub proctor_validation_screen {
                   1961:     my ($slot) = @_;
                   1962:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1963:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1964:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1965:     
1.4       albertel 1966:     my $msg;
1.11      albertel 1967:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1968: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1969: 	    .'</font></p>';
                   1970:     }
1.47      albertel 1971:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1972:     my $result= (<<ENDCHECKOUT);
                   1973: <h2>Proctor Validation</h2>
                   1974:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1975:     $msg
1.115     albertel 1976: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 1977: <input type="hidden" name="validate" value="yes" />
                   1978: <input type="hidden" name="submitted" value="yes" />
                   1979: <table>
1.44      albertel 1980:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1981:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1982:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1983: </table>
                   1984: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1985: <table border="1">
                   1986:   <tr><td>
                   1987:     <table>
                   1988:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   1989:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 1990:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 1991:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   1992:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   1993:     </table>
                   1994:   </tr></td>
                   1995: </table>
1.4       albertel 1996: </form>
                   1997: ENDCHECKOUT
                   1998:     return $result;
                   1999: }
                   2000: 
1.1       albertel 2001: 1;
                   2002: __END__

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