Annotation of loncom/homework/bridgetask.pm, revision 1.128.2.12

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.128.2.12! albertel    4: # $Id: bridgetask.pm,v 1.128.2.11 2006/06/19 09:43:38 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:     }
1.122     albertel  179:     my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
1.59      albertel  180:     $sec_select .= "<option value='all' selected='selected'>all</option>\n";
                    181:     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
1.122     albertel  182: 	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
1.59      albertel  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();
1.123     albertel  216: 	$result.= '</p>';
1.105     albertel  217:   }
1.13      albertel  218:     return $result;
                    219: }
                    220: 
1.22      albertel  221: sub add_request_another_attempt_button {
1.38      albertel  222:     my ($text)=@_;
                    223:     if (!$text) { $text="Request another attempt"; }
1.25      albertel  224:     my $result;
1.36      albertel  225:     my $symb=&Apache::lonnet::symbread();
1.37      albertel  226:     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
1.38      albertel  227:     my $action='get_reservation';
1.37      albertel  228:     if ($slot_name) {
1.38      albertel  229: 	$text="Change reservation.";
                    230: 	$action='change_reservation';
1.37      albertel  231: 	my $description=&Apache::slotrequest::get_description($slot_name,
                    232: 							      $slot);
                    233: 	$result.=(<<STUFF);
                    234: <p> Will be next available: $description </p>
                    235: STUFF
                    236:     }
1.38      albertel  237:     
                    238:     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
                    239:     $symb=&Apache::lonnet::escape($symb);
1.115     albertel  240:     $result.='<form method="post" action="/adm/slotrequest">'.
1.38      albertel  241: 	'<input type="hidden" name="symb" value="'.$symb.'" />'.
                    242: 	'<input type="hidden" name="command" value="'.$action.'" />'.
                    243: 	'<input type="submit" name="requestattempt" value="'.
                    244: 	&mt($text).'" />'.
                    245: 	'</form>';
1.25      albertel  246:     return $result;
1.22      albertel  247: }
                    248: 
1.30      albertel  249: sub preserve_grade_info {
                    250:     my $result;
                    251:     # if we are viewing someone else preserve that info
                    252:     if (defined $env{'form.grade_symb'}) {
                    253: 	foreach my $field ('symb','courseid','domain','username') {
                    254: 	    $result .= '<input type="hidden" name="grade_'.$field.
                    255: 		'" value="'.$env{"form.grade_$field"}.'" />'."\n";
                    256: 	}
                    257:     }
                    258:     return $result;
                    259: }
                    260: 
1.53      albertel  261: sub style {
1.125     albertel  262:     my ($target) = @_;
                    263:     if ($target eq 'web'
                    264: 	|| $target eq 'webgrade') {
                    265: 	return (<<STYLE);
1.126     albertel  266: <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
1.53      albertel  267: STYLE
1.125     albertel  268:     }
                    269:     return;
1.53      albertel  270: }
                    271: 
1.54      albertel  272: sub show_task {
                    273:     my ($status,$previous)=@_;
                    274:     if (!$previous && (
                    275: 		       ( $status eq 'CLOSED' ) ||
                    276: 		       ( $status eq 'BANNED') ||
                    277: 		       ( $status eq 'UNAVAILABLE') ||
                    278: 		       ( $status eq 'NOT_IN_A_SLOT') ||
                    279: 		       ( $status eq 'NEEDS_CHECKIN') ||
                    280: 		       ( $status eq 'WAITING_FOR_GRADE') ||
                    281: 		       ( $status eq 'INVALID_ACCESS') )) {
                    282: 	return 0;
                    283:     }
1.64      albertel  284:     if ($env{'form.donescreen'}) { return 0; }
1.54      albertel  285:     return 1;
                    286: }
                    287: 
                    288: sub internal_location {
                    289:     my ($id)=@_;
                    290:     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
                    291: }
                    292: 
1.60      albertel  293: sub submission_time_stamp {
                    294:     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
                    295:     my $submissiontime;
1.89      albertel  296:     my $version=$Apache::lonhomework::history{'resource.0.version'};
1.60      albertel  297:     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
                    298: 	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
                    299: 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
                    300: 	}
                    301:     }
                    302:     my $result;
                    303:     if ($submissiontime) {
1.89      albertel  304: 	my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
1.60      albertel  305: 	my %slot=&Apache::lonnet::get_slot($slot_name);
                    306: 	my $diff = $slot{'endtime'} - $submissiontime;
1.71      albertel  307: 	my ($color,$when)=('#FF6666','after');
                    308: 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
1.60      albertel  309: 	my $info;
                    310: 	if ($diff%60) { $info=($diff%60).' seconds'; }
                    311: 	$diff=int($diff/60);
                    312: 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
                    313: 	$diff=int($diff/60);
                    314: 	if ($diff) {    $info=$diff.' hours '.$info; }
                    315: 	$result='<p><font color="'.$color.'">'.
                    316: 	    &mt('Student submitted [_1] [_2] the deadline. 
                    317:                  (Submission was at [_3], end of period was [_4].)',
                    318: 		$info,$when,scalar(localtime($submissiontime)),
                    319: 		scalar(localtime($slot{'endtime'}))).
                    320: 		'</font></p>';
                    321:     }
                    322:     return $result;
                    323: }
                    324: 
1.119     albertel  325: sub file_list {
                    326:     my ($files,$uname,$udom) = @_;
                    327:     if (!defined($uname) || !defined($udom)) {
                    328: 	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
                    329:     }
1.70      albertel  330:     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1.119     albertel  331: 
1.120     albertel  332:     my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
1.119     albertel  333:     foreach my $partial_file (split(',',$files)) {
1.70      albertel  334: 	my $file=$file_url.$partial_file;
                    335: 	$file=~s|/+|/|g;
                    336: 	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1.73      albertel  337: 	$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
1.109     albertel  338: 	    &Apache::loncommon::icon($file).'" border="0"> '.$file.
1.70      albertel  339: 	    '</a></nobr></li>'."\n";
                    340:     }
                    341:     $file_list.="</ul>\n";
1.119     albertel  342:     return $file_list;
                    343: }
                    344: 
                    345: sub webgrade_standard_info {
                    346:     my ($version)=&get_version();
                    347: 
                    348:     my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
1.70      albertel  349: 
1.118     albertel  350:     my %lt=&Apache::lonlocal::texthash('done' => 'Next Item',
                    351: 				       'stop' => 'Quit Grading',
1.128.2.9  albertel  352: 				       'fail' => 'Fail Rest',
1.70      albertel  353: 				       );
                    354: 				       
                    355:     my $result=<<INFO;
1.120     albertel  356:   <div class="LC_GRADING_maincontrols">
1.111     albertel  357:     <input type="submit" name="next" value="$lt{'done'}" />
                    358:     <input type="submit" name="stop" value="$lt{'stop'}" />
1.128.2.9  albertel  359:     <input type="button" name="fail" value="$lt{'fail'}" 
                    360:            onclick="javascript:onFailRest()" />
1.111     albertel  361:   </div>
1.70      albertel  362:   $file_list
                    363: INFO
                    364:     return $result;
                    365: }
                    366: 
1.1       albertel  367: sub start_Task {
1.87      albertel  368:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel  369: 
1.4       albertel  370:     my ($status,$accessmsg,$slot);
1.128.2.12! albertel  371:     &Apache::structuretags::init_problem_globals('Task');
1.16      albertel  372:     if ($target ne 'webgrade') {
                    373: 	&Apache::structuretags::initialize_storage();
                    374: 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.74      albertel  375: 	if ($env{'request.state'} eq 'construct') {
                    376: 	    &Apache::structuretags::setup_rndseed($safeeval);
                    377: 	}
1.16      albertel  378:     } 
                    379: 
1.4       albertel  380:     $Apache::lonhomework::parsing_a_task=1;
1.1       albertel  381:     #should get back a <html> or the neccesary stuff to start XML/MathML
                    382:     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
                    383: 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.16      albertel  384:     
1.125     albertel  385:     $head_tag_start .= &style($target);
1.121     albertel  386:     $body_tag_start .= '<div class="LC_task">'."\n";
1.123     albertel  387: 
                    388:     if ($target eq 'web' || $target eq 'webgrade') {
                    389: 	$head_tag_start.='<title>'.
                    390: 	    &Apache::structuretags::get_resource_name($parstack,$safeeval).
                    391: 	    '</title>';
                    392:     }
                    393: 
1.74      albertel  394:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.13      albertel  395: 	if ($Apache::lonhomework::modifygrades) {
1.115     albertel  396: 	    $body_tag_start.='<form name="gradesubmission" method="post" action="';
1.13      albertel  397: 	    my $uri=$env{'request.uri'};
                    398: 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
                    399: 	    $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
1.38      albertel  400: 	    my $symb=&Apache::lonnet::symbread();
1.40      albertel  401: 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
1.115     albertel  402: 		$body_tag_start.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  403: 		    '<input type="hidden" name="symb" value="'.$symb.'" />'.
                    404: 		    '<input type="hidden" name="command" value="showslots" />'.
                    405: 		    '<input type="submit" name="requestattempt" value="'.
                    406: 		    &mt('Show Slot list').'" />'.
                    407: 		    '</form>';
1.108     albertel  408: 		my $target_id = 
                    409: 		    &Apache::lonstathelpers::make_target_id({symb => $symb,
                    410: 							     part => '0'});
1.115     albertel  411: 		$body_tag_start.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  412: 		    '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
                    413: 		    '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
                    414: 		    '<input type="submit" name="grading" value="'.
                    415: 		    &mt('Show Grading Status').'" />'.
                    416: 		    '</form>';
1.40      albertel  417: 	    }
1.13      albertel  418: 	}
1.8       albertel  419:     }
1.74      albertel  420:     if ($target eq 'web' && $env{'request.state'} eq 'construct') {
                    421: 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
                    422:     }
1.21      albertel  423:     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
1.1       albertel  424: 	$target eq 'tex') {
1.29      albertel  425: 	my ($version,$previous)=&get_version();
1.14      albertel  426: 	($status,$accessmsg,my $slot_name,$slot) = 
1.81      albertel  427: 	    &Apache::lonhomework::check_slot_access('0','Task');
1.9       albertel  428: 	push(@Apache::inputtags::status,$status);
1.14      albertel  429: 	$Apache::inputtags::slot_name=$slot_name;
1.1       albertel  430: 	my $expression='$external::datestatus="'.$status.'";';
1.89      albertel  431: 	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
1.1       albertel  432: 	&Apache::run::run($expression,$safeeval);
                    433: 	&Apache::lonxml::debug("Got $status");
1.25      albertel  434: 	$body_tag_start.=&add_previous_version_button($status);
1.54      albertel  435: 	if (!&show_task($status,$previous)) {
1.87      albertel  436: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.1       albertel  437: 	    if ( $target eq "web" ) {
1.4       albertel  438: 		$result.= $head_tag_start.'</head>'.$body_tag_start;
1.74      albertel  439: 		if ($env{'request.state'} eq 'construct') {
                    440: 		    $result.=$form_tag_start;
                    441: 		}
1.4       albertel  442: 		my $msg;
1.1       albertel  443: 		if ($status eq 'UNAVAILABLE') {
                    444: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  445: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    446: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  447: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  448: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    449: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    450: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  451: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    452: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  453: 		} elsif ($env{'form.donescreen'}) {
                    454: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  455: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.114     albertel  456: 		    my (undef,undef,$domain,$user)=
                    457: 			&Apache::lonxml::whichuser();
                    458: 		    my $files = '<ul>';
1.128.2.11  albertel  459: 		    my $msg;
1.114     albertel  460: 		    foreach my $file (@files) {
                    461: 			my $url="/uploaded/$domain/$user/portfolio$file";
1.128.2.1  albertel  462: 			$file = '<tt>'.$file.'</tt>';
1.114     albertel  463: 			$files .= '<li>'.$file.'</li>';
1.128.2.11  albertel  464: 			$msg .= "<p>Submitted file $file</p>\n";
1.114     albertel  465: 		    }
                    466: 		    $files.='</ul>';
1.128.2.11  albertel  467: 		    my $subject = "Submission message for $title";
                    468: 		    my ($message_status,$comment_status);
                    469: 		    my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
                    470: 		    $setting =~ s/^\s*(\S*)\s*$/$1/;
                    471: 		    $setting = lc($setting);
                    472: 		    if ($setting eq 'only_student'
                    473: 			|| $setting eq 'student_and_user_notes_screen') {
                    474: 			$message_status =
                    475: 			    &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
                    476: 			$message_status = '<p>'.&mt('Message sent to user: [_1]',
                    477: 						    $message_status).' </p>';
                    478: 		    }
                    479: 		    if ($setting eq 'student_and_user_notes_screen') {
                    480: 			$comment_status =
                    481: 			    &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
                    482: 								      $msg,$user,$domain);
                    483: 			$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
                    484: 						    $comment_status).' </p>';
                    485: 		    }
1.114     albertel  486: 
1.64      albertel  487: 		    $result.=<<DONESCREEN;
                    488: <h2>$title</h2>
                    489: <p> Files submitted: $files </p>
1.67      albertel  490: <p> You are now done with this Bridge Task </p>
1.64      albertel  491: <hr />
                    492: <p> <a href="/adm/logout">Logout</a> </p>
                    493: <p> <a href="/adm/roles">Change to a different course</a> </p>
1.128.2.11  albertel  494: $message_status
                    495: $comment_status
1.64      albertel  496: DONESCREEN
1.1       albertel  497: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    498: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    499: 		}
                    500: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    501: 		    $msg.='The problem '.$accessmsg;
                    502: 		}
                    503: 		$result.=$msg.'<br />';
                    504: 	    } elsif ($target eq 'tex') {
                    505: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    506: 		if ($status eq 'UNAVAILABLE') {
                    507: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    508: 		} else {
                    509: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    510: 		}
1.22      albertel  511: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  512: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  513: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    514: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  515: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  516: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  517: 			&Apache::lonxml::debug("add_to_queue said $result");
                    518: 		    }
1.4       albertel  519: 		}
1.1       albertel  520: 	    }
                    521: 	} elsif ($target eq 'web') {
1.123     albertel  522: 	    $result.="$head_tag_start</head>
1.125     albertel  523:               $body_tag_start \n";
1.36      albertel  524: 	    
1.57      albertel  525: 	    $result.=&preserve_grade_info();
                    526: 	    $result.=&internal_location();
1.36      albertel  527: 	    $result.=$form_tag_start.
                    528: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  529: 	    &Apache::lonxml::startredirection();
1.1       albertel  530: 	}
1.21      albertel  531:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    532: 	      $target eq 'webgrade') {
1.32      albertel  533: 	my $webgrade='yes';
1.21      albertel  534: 	if ($target eq 'webgrade') {
1.124     albertel  535: 	    $result.=$head_tag_start.
                    536: 		'</head>'.$body_tag_start.
                    537: 		"\n".'<div class="LC_GRADING_task">'."\n".
                    538: 		'<script type="text/javascript" 
1.126     albertel  539:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  540: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    541: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  542: 	}
1.33      albertel  543: 	# FIXME Blast! still need to reorg this, need to reshow the
                    544:         #       queue being reviewed once done with the grade pass...
                    545:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    546:         #       perhaps do a search if there is a key that is mine and if
                    547:         #       there isn't reshow the queue....
1.105     albertel  548: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  549: 
                    550: 	if ($todo) {
                    551: 	    &setup_env_for_other_user($todo,$safeeval);
                    552: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    553: 	    $result.="\n".'<table><tr><td>Found '.
                    554: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    555: 	    $form_tag_start.=
                    556: 		'<input type="hidden" name="gradingkey" value="'.
                    557: 		&Apache::lonnet::escape($todo).'" />';
                    558: 	    $Apache::bridgetask::queue_key=$todo;
                    559: 	    &Apache::structuretags::initialize_storage();
                    560: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  561: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    562: 		$form_tag_start.=
                    563: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  564: 	    }
1.15      albertel  565: 	} else {
1.33      albertel  566: 	    if ($target eq 'webgrade') {
                    567: 		$result.="\n";
1.81      albertel  568: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    569: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  570: 		if      ($status_code eq 'stop') {
1.81      albertel  571: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  572: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  573: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  574: 			.'</b>'.$back;
1.33      albertel  575: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  576: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    577: 			.'</b>'.$back;
1.33      albertel  578: 		    $result.=&show_queue($env{'form.queue'},1);
                    579: 		} elsif ($status_code eq 'show_list') {
                    580: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  581: 		} elsif ($status_code eq 'select_user') {
                    582: 		    $result.=&select_user();
1.95      albertel  583: 		} elsif ($status_code eq 'unable') {
                    584: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  585: 		} elsif ($status_code eq 'not_allowed') {
                    586: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  587: 		} else {
1.81      albertel  588: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  589: 		}
1.21      albertel  590: 	    }
1.33      albertel  591: 	    $webgrade='no';
1.87      albertel  592: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  593: 	}
                    594: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  595: 	    if ($webgrade eq 'yes') {
                    596: 		$result.=&submission_time_stamp();
                    597: 	    }
1.32      albertel  598: 	    $result.=$form_tag_start;
                    599: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    600: 		$webgrade.'" />';
                    601: 	    $result.='<input type="hidden" name="queue" value="'.
                    602: 		$env{'form.queue'}.'" />';
1.52      albertel  603: 	    if ($env{'form.regrade'}) {
                    604: 		$result.='<input type="hidden" name="regrade" value="'.
                    605: 		    $env{'form.regrade'}.'" />';
                    606: 	    }
1.62      albertel  607: 	    if ($env{'form.chosensections'}) {
                    608: 		my @chosen_sections=
                    609: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    610: 		foreach my $sec (@chosen_sections) {
                    611: 		    $result.='<input type="hidden" name="chosensections" 
                    612:                                value="'.$sec.'" />';
                    613: 		}
                    614: 	    }
1.70      albertel  615: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  616: 	}
1.110     albertel  617: 	if ($target eq 'webgrade') {
1.120     albertel  618: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.110     albertel  619: 	}
1.74      albertel  620:     } elsif ($target eq 'edit') {
                    621: 	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
                    622: 	    &Apache::structuretags::problem_edit_header();
                    623: 	$Apache::lonxml::warnings_error_header=
                    624: 	    &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 />";
                    625: 	my $temp=&Apache::edit::insertlist($target,$token);
                    626: 	$result.=$temp;
1.1       albertel  627:     } else {
                    628: 	# page_start returned a starting result, delete it if we don't need it
                    629: 	$result = '';
                    630:     }
                    631:     return $result;
                    632: }
                    633: 
1.32      albertel  634: sub get_key_todo {
                    635:     my ($target)=@_;
                    636:     my $todo;
1.33      albertel  637: 
                    638:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  639: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  640: 	$env{'form.queue'}='reviewqueue';
                    641: 	return (undef,'show_list');
                    642:     }
                    643: 
                    644:     if (defined($env{'form.reviewagrading'})) {
                    645: 	&Apache::lonxml::debug("review a grading....");
                    646: 	$env{'form.queue'}='gradingqueue';
                    647: 	return (undef,'show_list');
                    648:     }
                    649: 
1.49      albertel  650:     if (defined($env{'form.regradeasubmission'})) {
                    651: 	&Apache::lonxml::debug("regrade a grading....");
                    652: 	$env{'form.queue'}='none';
                    653: 	return (undef,'select_user');
                    654:     }
                    655: 
1.105     albertel  656: 
                    657:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                    658: 
                    659:     #need to try both queues..
                    660:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    661: 	defined($env{'form.gradinguser'})               &&
                    662: 	defined($env{'form.gradingdomain'})               ) {
                    663: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    664: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    665: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    666: 	my $uname = $env{'form.gradinguser'};
                    667: 	my $udom  = $env{'form.gradingdomain'};
                    668: 
                    669: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    670: 
                    671: 	my $queue;
                    672: 
                    673: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    674: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    675: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    676: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    677: 	}
                    678: 	
                    679: 	if (!$queue) {
                    680: 	    $env{'form.queue'} = $queue = 'none';
                    681: 	    #not queued so doing either a re or pre grade
                    682: 	    return ($gradingkey);
                    683: 	}
                    684: 
                    685: 	my $who=&queue_key_locked($queue,$gradingkey);
                    686: 	if ($who eq $me) {
                    687: 	    #already have the lock
                    688: 	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
                    689: 	    return ($gradingkey);
                    690: 	}
                    691: 	
                    692: 	if (!defined($who)) {
                    693: 	    if (&lock_key($queue,$gradingkey)) {
                    694: 		return ($gradingkey);
                    695: 	    } else {
                    696: 		return (undef,'lock_failed');
                    697: 	    }
                    698: 	}
                    699: 
                    700: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    701: 	return (undef,'not_allowed',
                    702: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
                    703: 		    $who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));
                    704:     }
                    705: 
                    706: 
1.32      albertel  707:     my $queue=$env{'form.queue'};
1.33      albertel  708: 
1.32      albertel  709:     if (!defined($queue)) {
                    710: 	$env{'form.queue'}=$queue='gradingqueue';
                    711:     }
1.33      albertel  712: 
1.32      albertel  713:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  714: 
1.49      albertel  715:     if ($env{'form.queue'} eq 'none') {
                    716: 	if (defined($env{'form.gradingkey'})) {
                    717: 	    if ($target eq 'webgrade') {
                    718: 		if ($env{'form.stop'}) {
                    719: 		    return (undef,'stop');
                    720: 		} elsif ($env{'form.next'}) {
1.59      albertel  721: 		    return (undef,'select_user');
1.49      albertel  722: 		}
                    723: 	    }
                    724: 	    return ($gradingkey,'selected');
                    725: 	} else {
1.59      albertel  726: 	    return (undef,'select_user');
1.49      albertel  727: 	}
                    728:     }
1.32      albertel  729:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  730: 	&& !defined($env{'form.gradingaction'}) 
                    731: 	&& $env{'form.queuemode'} eq 'selected') {
                    732: 	
                    733: 	my $who=&queue_key_locked($queue,$gradingkey);
                    734: 	if ($who eq $me) {
                    735: 	    &Apache::lonxml::debug("Found a key was given to me");
                    736: 	    return ($gradingkey,'selected');
                    737: 	} else {
                    738: 	    return (undef,'show_list');
                    739: 	}
                    740: 
                    741:     }
                    742: 
                    743:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    744: 	if ($env{'form.gradingaction'} eq 'resume') {
                    745: 	    delete($env{'form.gradingaction'});
                    746: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  747: 	    return ($gradingkey);
1.33      albertel  748: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    749: 	    &Apache::lonxml::debug("Unlocking a key ".
                    750: 				     &check_queue_unlock($queue,$gradingkey,1));
                    751: 	    return (undef,'unlock');
                    752: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    753: 	    &Apache::lonxml::debug("Locking a key");
                    754: 	    if (&lock_key($queue,$gradingkey)) {
                    755: 		&Apache::lonxml::debug("Success $queue");
                    756: 		return ($gradingkey);
                    757: 	    }
                    758: 	    &Apache::lonxml::debug("Failed $queue");
                    759: 	    return (undef,'lock_failed');
1.32      albertel  760: 	}
                    761:     }
1.33      albertel  762: 
                    763:     if ($env{'form.queuemode'} ne 'selected') {
                    764: 	# don't get something new from the queue if they hit the stop button
                    765:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    766: 	    && !$env{'form.gradingaction'}) {
                    767: 	    &Apache::lonxml::debug("Getting anew $queue");
                    768: 	    return (&get_from_queue($queue));
                    769: 	} else {
                    770: 	    return (undef,'stop');
                    771: 	}
1.32      albertel  772:     }
1.33      albertel  773:     return (undef,undef)
1.32      albertel  774: }
1.94      albertel  775: 
                    776: sub minimize_storage {
                    777:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    778: 	if ($key =~ /regrader$/) { next; }
                    779: 	if ($Apache::lonhomework::results{$key} eq
                    780: 	    $Apache::lonhomework::history{$key}) {
                    781: 	    delete($Apache::lonhomework::results{$key});
                    782: 	}
                    783:     }
                    784: }
                    785: 
1.1       albertel  786: sub end_Task {
                    787:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    788:     my $result='';
                    789:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  790:     my ($version,$previous)=&get_version();
1.1       albertel  791:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  792: 	$target eq 'tex') {
1.69      albertel  793: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  794: 	    if ($target eq 'web') {
1.54      albertel  795: 		if (&show_task($status,$previous)) {
                    796: 		    $result.=&Apache::lonxml::endredirection();
                    797: 		}
1.64      albertel  798: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    799: 		    !$env{'form.donescreen'}) {
1.15      albertel  800: 		    $result.="\n".'<table border="1">'.
1.28      albertel  801: 			&Apache::inputtags::file_selector("$version.0",
                    802: 							  "bridgetask","*",
1.46      albertel  803: 							  'portfolioonly',
                    804: 							  '
                    805: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    806: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  807: 							  "</table>";
1.77      albertel  808: 		}
1.78      albertel  809: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    810: 		    &show_task($status,$previous)) {
1.9       albertel  811: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  812: 		    $result.='</form>';
1.116     albertel  813: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  814: 		    $result.=<<DONEBUTTON;
1.115     albertel  815: <form name="done" method="post" action="$action">
1.64      albertel  816:    <input type="hidden" name="donescreen" value="1" />
                    817:    <input type="submit" value="Done" />
                    818: </form>
                    819: DONEBUTTON
1.77      albertel  820:                 }
1.56      albertel  821: 		if (&show_task($status,$previous) &&
1.89      albertel  822: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    823: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  824: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  825: 
                    826: 		    my $slot_name=
1.89      albertel  827: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  828: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  829: 		    my $start_time=
                    830: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  831: 
1.116     albertel  832: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel  833: 		    
                    834: 		    if ($bt_status eq 'pass')  {
                    835: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  836: 			    $start_time.'</h2>';
1.54      albertel  837: 		    }
                    838: 		    if ($bt_status eq 'fail')  {
                    839: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  840: 			    $start_time.'</h2>';
1.54      albertel  841: 			if (!$previous) {
                    842: 			    $status.=&add_request_another_attempt_button();
                    843: 			}
                    844: 		    }
                    845: 		    my $man_count=0;
                    846: 		    my $opt_count=0;
                    847: 		    my $opt_passed=0;
                    848: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    849: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    850: 			    eq 'N') {
                    851: 			    $opt_count++;
1.89      albertel  852: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  853: 				$opt_passed++;
                    854: 			    }
                    855: 			} else {
                    856: 			    $man_count++;
                    857: 			}
                    858: 		    }
                    859: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    860: 							 $parstack,$safeeval);
                    861: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  862: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  863: 
                    864: 		    my $internal_location=&internal_location();
                    865: 		    $result=~s/\Q$internal_location\E/$status/;
                    866: 		}
1.13      albertel  867: 	    } 
1.117     albertel  868: 	    if ($target eq 'web') {
                    869: 		$result.="\n</div>\n".&Apache::lonxml::xmlend().'</html>';
1.1       albertel  870: 	    }
                    871: 	}
1.29      albertel  872: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  873: 	    my $award='SUBMITTED';
1.28      albertel  874: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  875: 						    'portfiles',\$award);
1.14      albertel  876: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  877: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    878: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    879: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    880: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    881: 
                    882: 		$Apache::lonhomework::results{"resource.0.award"}=
                    883: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    884: 		    $award;
1.51      albertel  885: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    886: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  887: 	    } else {
                    888: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  889: 		$award = '';
1.10      albertel  890: 	    }
1.4       albertel  891: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    892: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  893: 	    if ($award eq 'SUBMITTED'
                    894: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  895: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  896: 	    }
1.79      albertel  897: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    898: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  899: 	}
1.32      albertel  900: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  901: 	    my $optional_required=
                    902: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    903: 					   $safeeval);
                    904: 	    my $optional_passed=0;
                    905: 	    my $mandatory_failed=0;
                    906: 	    my $ungraded=0;
                    907: 	    my $review=0;   
1.21      albertel  908: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  909: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    910: 		my $status=
1.89      albertel  911: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  912: 		my $mandatory=
                    913: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    914: 		if ($status eq 'pass') {
                    915: 		    if (!$mandatory) { $optional_passed++; }
                    916: 		} elsif ($status eq 'fail') {
                    917: 		    if ($mandatory) { $mandatory_failed++; }
                    918: 		} elsif ($status eq 'ungraded') {
                    919: 		    $ungraded++;
                    920: 		} elsif ($status eq 'review') {
                    921: 		    $review++;
1.49      albertel  922: 		} else {
                    923: 		    $ungraded++;
                    924: 		}
1.20      albertel  925: 	    }
                    926: 	    if ($optional_passed < $optional_required) {
                    927: 		$mandatory_failed++;
                    928: 	    }
1.21      albertel  929: 	    &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  930: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.20      albertel  931: 		$env{'user.name'}.'@'.$env{'user.domain'};
                    932: 	    if ($review) {
1.89      albertel  933: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  934: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    935: 		    &check_queue_unlock($env{'form.queue'});
                    936: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    937: 		} else {
1.49      albertel  938: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  939: 		}
1.20      albertel  940: 	    } elsif ($ungraded) {
1.89      albertel  941: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  942: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    943: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  944: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  945: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  946: 		} else {
                    947: 		    &check_queue_unlock($env{'form.queue'});
                    948: 		}
1.20      albertel  949: 	    } elsif ($mandatory_failed) {
1.89      albertel  950: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  951: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    952: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    953: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  954: 		&remove_from_queue($env{'form.queue'}); 
                    955: 
                    956: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  957: 		
                    958: 		if ($env{'form.regrade'} ne 'yes') {
                    959: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    960: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    961: 		    &Apache::grades::version_portfiles(
                    962: 						       \%Apache::lonhomework::results,
                    963: 						       ["$version.0.bridgetask"],$courseid,
                    964: 						       $symb,$udom,$uname,
                    965: 						       ["$version.0.bridgetask"]);
                    966: 		}
1.20      albertel  967: 	    } else {
1.89      albertel  968: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  969: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    970: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    971: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  972: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  973: 
                    974: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  975: 		if ($env{'form.regrade'} ne 'yes') {
                    976: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    977: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    978: 		    &Apache::grades::version_portfiles(
                    979: 						       \%Apache::lonhomework::results,
                    980: 						       ["$version.0.bridgetask"],$courseid,
                    981: 						       $symb,$udom,$uname,
                    982: 						       ["$version.0.bridgetask"]);
                    983: 		}
1.20      albertel  984: 	    }
1.89      albertel  985: 	    $Apache::lonhomework::results{"resource.0.status"}=
                    986: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  987: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  988: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  989: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  990: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  991: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  992: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  993: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel  994: 	    }
1.94      albertel  995: 	    &minimize_storage();
1.21      albertel  996: 	    &Apache::structuretags::finalize_storage();
1.20      albertel  997: 	}
1.15      albertel  998:     } elsif ($target eq 'webgrade') {
1.128.2.2  albertel  999: 	$result.="</div>";
1.20      albertel 1000: 	#$result.='<input type="submit" name="next" value="'.
                   1001: 	#    &mt('Save &amp; Next').'" /> ';
                   1002: 	#$result.='<input type="submit" name="end" value="'.
                   1003: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                   1004: 	#$result.='<input type="submit" name="throwaway" value="'.
                   1005: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                   1006: 	#$result.='<input type="submit" name="save" value="'.
                   1007: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel 1008: 	$result.='</form>'."\n</div>\n</div>\n".
1.117     albertel 1009: 	    &Apache::loncommon::endbodytag().'</html>';
1.1       albertel 1010:     } elsif ($target eq 'meta') {
1.70      albertel 1011: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel 1012:         $result.=&Apache::response::meta_stores_write('solved','string',
                   1013: 						      'Problem Status');
                   1014: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                   1015: 						      'Number of Attempts');
                   1016: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                   1017: 						      'Partial Credit Factor');
                   1018: 	$result.=&Apache::response::meta_stores_write('status','string',
                   1019: 						      'Bridge Task Status');
1.1       albertel 1020:     }
1.128.2.12! albertel 1021:     &Apache::structuretags::reset_problem_globals('Task');
1.4       albertel 1022:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel 1023:     return $result;
                   1024: }
                   1025: 
1.31      albertel 1026: sub move_between_queues {
                   1027:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1028:     my $cur_data;
                   1029:     if ($src_queue ne 'none') {
                   1030: 	$cur_data=&get_queue_data($src_queue);
                   1031: 	if (!$cur_data) { return 'not_exist'; }
                   1032:     } else {
                   1033: 	$cur_data = ['none'];
                   1034:     }
1.82      albertel 1035:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel 1036:     if ($result ne 'ok') {
                   1037: 	return $result;
                   1038:     }
                   1039:     &check_queue_unlock($src_queue);
                   1040:     return &remove_from_queue($src_queue);
1.21      albertel 1041: }
                   1042: 
                   1043: sub check_queue_unlock {
1.32      albertel 1044:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1045:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1046:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1047:     if (!defined($key)) {
                   1048: 	$key="$symb\0queue\0$uname\@$udom";
                   1049:     }
1.30      albertel 1050:     my $cnum=$env{'course.'.$cid.'.num'};
                   1051:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1052:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1053:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1054:     if  ($who eq $me) {
1.32      albertel 1055: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1056:     } elsif ($allow_not_me) {
1.33      albertel 1057: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1058: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1059:     }
1.32      albertel 1060:     return 'not_owner';
1.21      albertel 1061: }
                   1062: 
1.88      albertel 1063: sub in_queue {
                   1064:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1065:     if ($queue eq 'none') { return 0; }
                   1066:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1067: 	|| !defined($udom) || !defined($uname)) {
                   1068: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1069: 	$cnum=$env{'course.'.$cid.'.num'};
                   1070: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1071:     }
                   1072: 
                   1073:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1074:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1075: 
                   1076:     if (defined($results{$key})) {
                   1077: 	return 1;
                   1078:     }
                   1079:     return 0;
                   1080: }
                   1081: 
1.21      albertel 1082: sub remove_from_queue {
1.86      albertel 1083:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1084:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1085:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1086: 	|| !defined($udom) || !defined($uname)) {
                   1087: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1088: 	$cnum=$env{'course.'.$cid.'.num'};
                   1089: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1090:     }
1.88      albertel 1091:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1092: 	return 'ok';
                   1093:     }
1.86      albertel 1094:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1095:     my @keys=($key,"$key\0locked");
1.31      albertel 1096:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1097: }
                   1098: 
1.16      albertel 1099: sub setup_env_for_other_user {
                   1100:     my ($queue_key,$safeeval)=@_;
                   1101:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1102:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1103:     $env{'form.grade_symb'}=$symb;
                   1104:     $env{'form.grade_domain'}=$udom;
                   1105:     $env{'form.grade_username'}=$uname;
                   1106:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1107:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1108: }
                   1109: 
1.31      albertel 1110: sub get_queue_data {
                   1111:     my ($queue)=@_;
                   1112:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1113:     my $cnum=$env{'course.'.$cid.'.num'};
                   1114:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1115:     my $todo="$symb\0queue\0$uname\@$udom";
                   1116:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1117:     if ($key eq $todo && ref($value)) {
                   1118: 	return $value;
                   1119:     }
                   1120:     return undef;
                   1121: }
                   1122: 
1.84      albertel 1123: 
1.49      albertel 1124: sub check_queue_for_key {
1.84      albertel 1125:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1126: 
1.49      albertel 1127:     my %results=
                   1128: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1129:     
                   1130:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1131: 	if (defined($results{"$todo\0locked"})) {
                   1132: 	    return 'locked';
                   1133: 	}
1.86      albertel 1134: 	my $slot;
                   1135: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1136: 	    $slot = $results{$todo}[0];
                   1137: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1138: 	    $slot = $results{$todo}{'slot'};
                   1139: 	}
                   1140: 	if (defined($slot)) {
                   1141: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1142: 	    if ($slot_data{'endtime'} > time) { 
                   1143: 		return 'in_progress';
                   1144: 	    }
1.58      albertel 1145: 	}
1.49      albertel 1146: 	return 'enqueued';
                   1147:     }
                   1148:     return undef;
                   1149: }
                   1150: 
1.14      albertel 1151: sub add_to_queue {
1.82      albertel 1152:     my ($queue,$user_data)=@_;
1.49      albertel 1153:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1154:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1155:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1156: 	return 'no_queue';
                   1157:     }
1.14      albertel 1158:     my $cnum=$env{'course.'.$cid.'.num'};
                   1159:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1160:     my %data;
1.82      albertel 1161:     $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
1.83      albertel 1162:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1163: }
                   1164: 
                   1165: sub show_queue {
1.32      albertel 1166:     my ($queue,$with_selects)=@_;
1.14      albertel 1167:     my $result;
                   1168:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1169:     my $cnum=$env{'course.'.$cid.'.num'};
                   1170:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1171: 
                   1172:     my @chosen_sections=
                   1173: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1174:     &Apache::grades::init_perm();
                   1175:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1176:     &Apache::grades::reset_perm();
1.63      albertel 1177:     if (!(grep(/^all$/,@chosen_sections))) {
                   1178: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1179: 	    '</tt>.</p> '."\n";
                   1180:     }
1.59      albertel 1181: 
1.16      albertel 1182:     my $regexp="^$symb\0";
1.30      albertel 1183:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1184:     my ($tmp)=%queue;
                   1185:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1186: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1187:     }
1.103     albertel 1188:     my $title=&Apache::lonnet::gettitle($symb);
                   1189:     $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
                   1190:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
                   1191:     $result.="<th>user</th><th>data</th></tr>";
1.14      albertel 1192:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1193: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1194: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1195: 	if ($key=~/locked$/ && !$with_selects) {
1.103     albertel 1196: 	    $result.="<tr><td>$uname</td>";
                   1197: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1198: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.103     albertel 1199: 	    $result.="<tr><td></td>";
                   1200: 	    $result.='<td>'.
1.16      albertel 1201: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1202: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1203: 	    $result.="<tr>";
1.35      albertel 1204: 	    my $slot=$queue{$key}->[0];
                   1205: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1206: 	    if ($with_selects) {
                   1207: 		my $ekey=&Apache::lonnet::escape($key);
1.103     albertel 1208: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1209: 		if (exists($queue{"$key\0locked"})) {
                   1210: 		    my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1.103     albertel 1211: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1212: 		    if ($me eq $queue{"$key\0locked"}) {
                   1213: 			($action,$description)=('resume',&mt('Resume'));
                   1214: 		    } else {
                   1215: 			($action,$description)=('unlock',&mt('Unlock'));
                   1216: 		    }
                   1217: 		}
1.62      albertel 1218: 		my $seclist;
                   1219: 		foreach my $sec (@chosen_sections) {
                   1220: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1221:                                value="'.$sec.'" />';
                   1222: 		}
1.35      albertel 1223: 		if (time > $slot_data{'endtime'}) {
                   1224: 		    $result.=(<<FORM);
1.103     albertel 1225: <td>$status</td>
1.32      albertel 1226: <td>
1.115     albertel 1227: <form style="display: inline" method="post">
1.32      albertel 1228:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1229:  <input type="hidden" name="queue" value="$queue" />
                   1230:  <input type="hidden" name="gradingaction" value="$action" />
                   1231:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1232:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1233:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1234:  $seclist
1.32      albertel 1235: </form>
                   1236: </td>
                   1237: FORM
1.35      albertel 1238: 
                   1239:                 } else {
                   1240: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1241: 		}
1.32      albertel 1242: 	    }
1.104     albertel 1243: 	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
                   1244: 		" <tt>($uname\@$udom)</tt> </td>";
1.103     albertel 1245: 	    $result.='<td>Slot: '.$slot.' End time: '.
1.20      albertel 1246: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1247: 		"</td></tr>";
1.16      albertel 1248: 	}
1.14      albertel 1249:     }
1.15      albertel 1250:     $result.="</table><hr />\n";
1.14      albertel 1251:     return $result;
                   1252: }
                   1253: 
1.34      albertel 1254: sub get_queue_counts {
                   1255:     my ($queue)=@_;
                   1256:     my $result;
                   1257:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1258:     my $cnum=$env{'course.'.$cid.'.num'};
                   1259:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1260:     my $regexp="^$symb\0";
                   1261:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1262:     my ($tmp)=%queue;
                   1263:     if ($tmp=~/^error: 2 /) {
                   1264: 	return (0,0,0);
                   1265:     }
                   1266:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1267:     my %slot_cache;
1.34      albertel 1268:     foreach my $key (sort(keys(%queue))) {
                   1269: 	if ($key=~/locked$/) {
                   1270: 	    $locks++;
                   1271: 	} elsif ($key=~/timestamp$/) {
                   1272: 	    #ignore
                   1273: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1274: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1275: 	    $entries++;
                   1276: 	    my $slot=$queue{$key}->[0];
1.96      albertel 1277: 	    if (!exists($slot_cache{$slot})) {
                   1278: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1279: 		$slot_cache{$slot} = \%slot_data;
                   1280: 	    }
                   1281: 	    if (time > $slot_cache{$slot}{'endtime'}) {
1.34      albertel 1282: 		$ready_to_grade++;
                   1283: 	    }
                   1284: 	}
                   1285:     }
                   1286:     return ($entries,$ready_to_grade,$locks);
                   1287: }
                   1288: 
1.49      albertel 1289: sub encode_queue_key {
                   1290:     my ($symb,$udom,$uname)=@_;
                   1291:     return "$symb\0queue\0$uname\@$udom";
                   1292: }
                   1293: 
1.14      albertel 1294: sub decode_queue_key {
                   1295:     my ($key)=@_;
                   1296:     my ($symb,undef,$user) = split("\0",$key);
                   1297:     my ($uname,$udom) = split('@',$user);
                   1298:     return ($symb,$uname,$udom);
                   1299: }
                   1300: 
                   1301: sub queue_key_locked {
1.30      albertel 1302:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1303:     if (!defined($cdom) || !defined($cnum)) {
                   1304: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1305: 	$cnum=$env{'course.'.$cid.'.num'};
                   1306: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1307:     }
1.14      albertel 1308:     my ($key_locked,$value)=
1.30      albertel 1309: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1310:     if ($key_locked eq "$key\0locked") {
                   1311: 	return $value;
                   1312:     }
                   1313:     return undef;
                   1314: }
                   1315: 
                   1316: sub pick_from_queue_data {
1.30      albertel 1317:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1.98      albertel 1318:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1319:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1320: 	if ($key =~ /\0locked$/) { next; }
                   1321: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1322: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1323: 	if ($check_section) {
                   1324: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1325: 	    if ($section eq $check_section) {
1.33      albertel 1326: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1327: 		next;
                   1328: 	    }
1.14      albertel 1329: 	}
1.30      albertel 1330: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1331: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1332: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1333: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1334: 	    next;
                   1335: 	}
1.98      albertel 1336: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1337: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1338: 	    next;
                   1339: 	}
1.98      albertel 1340: 	push(@possible,[$key,$slot_data{'endtime'}]);
                   1341:     }
                   1342:     if (@possible) {
                   1343:         # sort entries in order by slot end time
                   1344: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.128.2.7  albertel 1345: 	# pick one of the entries in the top 10% in small queues and one
                   1346: 	# of the first ten entries in large queues
1.128.2.8  albertel 1347: 	#my $ten_percent = int($#possible * 0.1);
                   1348: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1349: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1350: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.128.2.7  albertel 1351: 	
1.128.2.8  albertel 1352: 	#return $possible[int(rand($max))][0];
                   1353: 	return $possible[0][0];
1.14      albertel 1354:     }
                   1355:     return undef;
                   1356: }
                   1357: 
1.15      albertel 1358: sub find_mid_grade {
1.30      albertel 1359:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1360:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.15      albertel 1361:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1362:     if ($todo) {
1.30      albertel 1363: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1364: 	if ($who eq $me) { return $todo; }
                   1365:     }
                   1366:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1367:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1368:     foreach my $key (keys(%locks)) {
                   1369: 	my $who=$locks{$key};
                   1370: 	if ($who eq $me) {
                   1371: 	    $todo=$key;
                   1372: 	    $todo=~s/\0locked$//;
                   1373: 	    return $todo;
                   1374: 	}
                   1375:     }
                   1376:     return undef;
                   1377: }
                   1378: 
1.32      albertel 1379: sub lock_key {
                   1380:     my ($queue,$todo)=@_;
                   1381:     my $me=$env{'user.name'}.'@'.$env{'user.domain'};
                   1382:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1383:     my $cnum=$env{'course.'.$cid.'.num'};
                   1384:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1385:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1386: 					$cdom,$cnum);
1.33      albertel 1387:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1388:     if ($success eq 'ok') {
                   1389: 	return 1;
                   1390:     }
                   1391:     return 0;
                   1392: }
                   1393: 
1.86      albertel 1394: sub get_queue_symb_status {
1.85      albertel 1395:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1396:     if (!defined($cdom) || !defined($cnum)) {
                   1397: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1398: 	$cnum=$env{'course.'.$cid.'.num'};
                   1399: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1400:     }
                   1401:     my $regexp="^$symb\0";
                   1402:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1403:     my ($tmp)=%queue;
                   1404:     if ($tmp=~/^error: 2 /) { return; }
                   1405:     my @users;
                   1406:     foreach my $key (sort(keys(%queue))) {
                   1407: 	next if ($key=~/locked$/);
                   1408: 	next if ($key=~/timestamp$/);
                   1409: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1410: 	push(@users,"$uname:$udom");
                   1411:     }
                   1412:     return @users;
                   1413: }
                   1414: 
1.14      albertel 1415: sub get_from_queue {
1.30      albertel 1416:     my ($queue)=@_;
1.14      albertel 1417:     my $result;
                   1418:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1419:     my $cnum=$env{'course.'.$cid.'.num'};
                   1420:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1421:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1422:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1423:     if ($todo) { return $todo; }
1.95      albertel 1424:     my $attempts=0;
1.14      albertel 1425:     while (1) {
1.95      albertel 1426: 	if ($attempts > 2) {
                   1427: 	    # tried twice to get a queue entry, giving up
                   1428: 	    return (undef,'unable');
                   1429: 	}
1.14      albertel 1430: 	my $starttime=time;
1.83      albertel 1431: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1432: 			      $cdom,$cnum);
1.33      albertel 1433: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1434: 	my $regexp="^$symb\0queue\0";
1.97      albertel 1435: 	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
                   1436: 
1.98      albertel 1437: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1438: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1439: 	if ($env{'request.course.sec'}) {
1.33      albertel 1440: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1441: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1442: 					\%queue,$cdom,$cnum);
1.33      albertel 1443: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1444: 	}
1.33      albertel 1445: 	# no one _not_ in our section so look for any user that is
                   1446: 	# ready for grading
1.14      albertel 1447: 	if (!$todo) {
1.33      albertel 1448: 	    &Apache::lonxml::debug("no sce");
1.98      albertel 1449: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
1.33      albertel 1450: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1451: 	}
                   1452: 	# no user to grade 
                   1453: 	if (!$todo) { last; }
1.33      albertel 1454: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1455: 	# otherwise found someone so lets try to lock them
1.32      albertel 1456: 	# unless someone else already picked them
1.95      albertel 1457: 	if (!&lock_key($queue,$todo)) {
                   1458: 	    $attempts++;
                   1459: 	    next;
                   1460: 	}
1.14      albertel 1461: 	my (undef,$endtime)=
1.30      albertel 1462: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1463: 				 $cdom,$cnum);
1.33      albertel 1464: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1465: 	# someone else already modified the queue, 
                   1466: 	# perhaps our picked user wass already fully graded between
                   1467: 	# when we picked him and when we locked his record? so lets
                   1468: 	# double check.
                   1469: 	if ($endtime != $starttime) {
                   1470: 	    my ($key,$value)=
1.30      albertel 1471: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1472: 				     $cdom,$cnum);
1.33      albertel 1473: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1474: 	    if ($key eq $todo && ref($value)) {
                   1475: 	    } else {
1.30      albertel 1476: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1477: 				     $cdom,$cnum);
1.33      albertel 1478: 		&Apache::lonxml::debug("del");
1.95      albertel 1479: 		$attempts++;
1.14      albertel 1480: 		next;
                   1481: 	    }
                   1482: 	}
1.33      albertel 1483: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1484: 	last;
                   1485:     }
                   1486:     return $todo;
                   1487: }
                   1488: 
1.49      albertel 1489: sub select_user {
                   1490:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1491: 
1.59      albertel 1492:     my @chosen_sections=
                   1493: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1494:     &Apache::grades::init_perm();
1.59      albertel 1495:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1496:     &Apache::grades::reset_perm();
1.63      albertel 1497:     
                   1498:     my $result;
                   1499:     if (!(grep(/^all$/,@chosen_sections))) {
                   1500: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1501: 	    '</tt>.</p> '."\n";
                   1502:     }
                   1503:     $result.='<table border="1">';
1.49      albertel 1504: 
                   1505:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1506: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1507: 	
1.84      albertel 1508: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1509: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1510: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1511: 					 'Task');
1.49      albertel 1512: 	my $queue = 'none';
1.58      albertel 1513: 	my $cannot_grade;
                   1514: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1515: 	    $queue = 'reviewqueue';
1.58      albertel 1516: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1517: 		$cannot_grade=1;
                   1518: 	    }
                   1519: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1520: 	    $queue = 'gradingqueue';
1.58      albertel 1521: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1522: 		$cannot_grade=1;
                   1523: 	    }
1.49      albertel 1524: 	}
                   1525: 	my $todo = 
                   1526: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1527: 	if ($cannot_grade) {
                   1528: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1529: 		'</td><td>';
                   1530: 	} else {
1.62      albertel 1531: 	    my $seclist;
                   1532: 	    foreach my $sec (@chosen_sections) {
                   1533: 		$seclist.='<input type="hidden" name="chosensections" 
                   1534:                                value="'.$sec.'" />';
                   1535: 	    }
1.102     albertel 1536: 	    my $studentdis = $student;
                   1537: 	    $studentdis =~ tr/:/@/;
1.58      albertel 1538: 	    $result.=<<RESULT;
1.49      albertel 1539: <tr>
                   1540:   <td>
1.115     albertel 1541:     <form style="display: inline" method="post">
1.49      albertel 1542:       <input type="hidden" name="gradingkey" value="$todo" />
                   1543:       <input type="hidden" name="queue" value="$queue" />
                   1544:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1545:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1546:       <input type="submit" name="submit" value="Regrade" />
                   1547:       $seclist
1.49      albertel 1548:     </form>
1.102     albertel 1549:   <td>$fullname->{$student} <tt>($studentdis)</tt></td>
1.49      albertel 1550:   <td>
                   1551: RESULT
1.58      albertel 1552:         }
1.49      albertel 1553:         if ($status{'status'} eq 'pass') {
                   1554: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1555: 	} elsif ($status{'status'} eq 'fail') {
                   1556: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1557: 	} elsif ($status{'status'} eq 'review') {
                   1558: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1559: 	} elsif ($status{'status'} eq 'ungraded') {
                   1560: 	    $result .= &mt('Ungraded');
                   1561: 	} elsif ($status{'status'} ne '') {
                   1562: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1563: 	} else {
                   1564: 	    $result.="&nbsp;";
                   1565: 	}
                   1566: 	if ($status{'version'}) {
                   1567: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1568: 	}
1.101     albertel 1569: 	if ($status{'grader'}) {
                   1570: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1571: 	}
1.49      albertel 1572: 	$result.= '</td><td>';
                   1573: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1574: 	    $result .= &mt('Awaiting Review');
                   1575: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1576: 	    $result .= &mt('Under Review');
1.58      albertel 1577: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1578: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1579: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1580: 	    $result .= &mt('Awaiting Grading');
                   1581: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1582: 	    $result .= &mt('Being Graded');
1.58      albertel 1583: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1584: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1585: 	} else {
                   1586: 	    $result.="&nbsp;";
                   1587: 	}
                   1588: 	$result.= '</td></tr>';
                   1589:     }
                   1590:     $result.='</table>';
                   1591:     return $result;
                   1592: }
                   1593: 
                   1594: sub get_student_status {
1.86      albertel 1595:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1596: 
                   1597:     my %status;
                   1598: 
                   1599:     if ($type eq 'Task') {
                   1600: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1601: 					  $udom,$uname);
1.89      albertel 1602: 	$status{'status'}=$record{'resource.0.status'};
                   1603: 	$status{'version'}=$record{'resource.0.version'};
                   1604: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1605:     }
                   1606:     $status{'reviewqueue'}=
                   1607: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1608: 			     &encode_queue_key($symb,$udom,$uname));
                   1609:     $status{'gradingqueue'}=
                   1610: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1611: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1612:     return %status;
                   1613: }
                   1614: 
1.1       albertel 1615: sub start_ClosingParagraph {
                   1616:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1617:     my $result;
                   1618:     if ($target eq 'web') {
1.13      albertel 1619:     } elsif ($target eq 'webgrade') {
                   1620: 	&Apache::lonxml::startredirection();
1.1       albertel 1621:     }
                   1622:     return $result;
                   1623: }
                   1624: 
                   1625: sub end_ClosingParagraph {
                   1626:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1627:     my $result;
                   1628:     if ($target eq 'web') {
1.13      albertel 1629:     } elsif ($target eq 'webgrade') {
                   1630: 	&Apache::lonxml::endredirection();
1.1       albertel 1631:     }
                   1632:     return $result;
                   1633: }
                   1634: 
1.19      albertel 1635: sub get_id {
                   1636:     my ($parstack,$safeeval)=@_;
                   1637:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1638:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1639:     return $id;
                   1640: }
                   1641: 
1.1       albertel 1642: my %dimension;
                   1643: sub start_Dimension {
                   1644:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1645:     undef(%dimension);
1.19      albertel 1646:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1647:     $Apache::bridgetask::dimension=$dim_id;
                   1648:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1649:     undef(@Apache::bridgetask::instance);
1.20      albertel 1650:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1651: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1652:     &Apache::lonxml::startredirection();
                   1653:     return &internal_location($dim_id);
1.1       albertel 1654: }
                   1655: 
1.13      albertel 1656: sub get_instance {
1.75      albertel 1657:     my ($dim)=@_;
                   1658:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1659:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1660: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1661: 	$rand_alg eq '64bit4' ) {
                   1662: 	&Apache::response::pushrandomnumber();
                   1663: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1664: 	my $num=@order;
                   1665: 	my $version=&get_version();
                   1666: 	my $which=($version-1)%$num;
                   1667: 	return $order[$which];
                   1668:     } else {
                   1669: 	my ($version,$previous) = &get_version();
                   1670: 	my $instance = 
                   1671: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1672: 	if (defined($instance)) { return $instance; }
                   1673: 
                   1674: 	&Apache::response::pushrandomnumber();
                   1675: 	my @instances = @{$dimension{'instances'}};
                   1676: 	# remove disabled instances
                   1677: 	for (my $i=0; $i < $#instances; $i++) {
                   1678: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1679: 		splice(@instances,$i,1);
                   1680: 		$i--;
                   1681: 	    }
                   1682: 	}
                   1683: 	@instances = &Math::Random::random_permutation(@instances);
                   1684: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1685: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1686: 	    $instance;
1.79      albertel 1687: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1688: 	&Apache::response::poprandomnumber();
                   1689: 	return $instance;
                   1690:     }
1.13      albertel 1691: }
                   1692: 
1.18      albertel 1693: {
                   1694:     my $last_link;
1.122     albertel 1695:     sub link {
                   1696: 	my ($instance,$id) = @_;
                   1697: 	return 'LC_GRADING_criteria_'.$instance.'_'.$id;
                   1698:     }
1.18      albertel 1699:     sub end_Dimension {
                   1700: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1701: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1702: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1703: 	my $instance=&get_instance($dim);
1.25      albertel 1704: 	my $version=&get_version();
1.18      albertel 1705: 	if ($target eq 'web') {
1.47      albertel 1706: 	    @Apache::scripttag::parser_env = @_;
                   1707: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1708: 	    my @instances = $instance;
                   1709: 	    if (&Apache::response::showallfoils()) {
                   1710: 		@instances = @{$dimension{'instances'}};
                   1711: 	    }
                   1712: 	    foreach my $instance (@instances) {
                   1713: 		@Apache::scripttag::parser_env = @_;
                   1714: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1715: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1716: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1717: 
1.89      albertel 1718: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1719: 		    my $mandatory='Mandatory';
                   1720: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1721: 			$mandatory='Optional';
                   1722: 		    }
1.116     albertel 1723: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 1724: 		    if ($dim_status eq 'pass') {
                   1725: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1726: 		    }
1.76      albertel 1727: 		    if ($dim_status eq 'fail') {
                   1728: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1729: 		    }
1.76      albertel 1730: 		    my $man_count=0;
                   1731: 		    my $man_passed=0;
                   1732: 		    my $opt_count=0;
                   1733: 		    my $opt_passed=0;
                   1734: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1735: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1736: 			    eq 'N') {
                   1737: 			    $opt_count++;
1.89      albertel 1738: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1739: 				$opt_passed++;
                   1740: 			    }
                   1741: 			} else {
                   1742: 			    $man_count++;
1.89      albertel 1743: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1744: 				$man_passed++;
                   1745: 			    }
                   1746: 			}
1.22      albertel 1747: 		    }
1.76      albertel 1748: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1749: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1750: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1751: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1752: 
                   1753: 		    my $internal_location=&internal_location($dim);
                   1754: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1755: 
                   1756: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1757: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1758: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1759: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1760: 			if ($mandatory) {
                   1761: 			    $mandatory='Mandatory';
                   1762: 			} else {
                   1763: 			    $mandatory='Optional';
                   1764: 			}
                   1765: 			if ($status eq 'fail') {
                   1766: 			} elsif ($status eq 'pass') {
                   1767: 			} else {
                   1768: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1769: 			}
                   1770: 			my $status_display=$status;
                   1771: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1772: 			@Apache::scripttag::parser_env = @_;
1.116     albertel 1773: 			$result.=
                   1774: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   1775: 			    .$mandatory.' Criteria</h4><p>';
1.76      albertel 1776: 			@Apache::scripttag::parser_env = @_;
                   1777: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.116     albertel 1778: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.89      albertel 1779: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
1.116     albertel 1780: 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
1.76      albertel 1781: 			}
                   1782: 			$result.='</div>';
1.22      albertel 1783: 		    }
                   1784: 		}
                   1785: 	    }
1.18      albertel 1786: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1787: 	    # in case of any side effects that we need
                   1788: 	    @Apache::scripttag::parser_env = @_;
                   1789: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1790: 	    @Apache::scripttag::parser_env = @_;
                   1791: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1792: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1793: 		my $link=&link($instance,$id);
1.89      albertel 1794: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.120     albertel 1795: 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
1.128.2.6  albertel 1796: 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
1.47      albertel 1797: 		@Apache::scripttag::parser_env = @_;
                   1798: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.111     albertel 1799: 		$result.='</div>'."\n".
1.18      albertel 1800: 		    #$dimension{$instance.'.criteria.'.$id}.
1.120     albertel 1801: 		    '<div class="LC_GRADING_grade">'."\n".
                   1802: 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   1803: 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   1804: 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   1805: 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
1.111     albertel 1806: 		    '</div>'."\n".
1.120     albertel 1807: 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
                   1808: 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
1.111     albertel 1809: 		    '</label>'."\n".
1.120     albertel 1810: 		    '<ul class="LC_GRADING_navbuttons">'."\n".
1.111     albertel 1811: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   1812: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   1813: 		    '</ul>'."\n".
                   1814:                     '</div>'."\n";
1.113     albertel 1815: 		$result.=&grading_history($version,$dim,$instance,$id);
1.18      albertel 1816: 		$last_link=$link;
                   1817: 	    }
1.22      albertel 1818: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1819: 	    my $optional_passed=0;
1.20      albertel 1820: 	    my $mandatory_failed=0;
                   1821: 	    my $ungraded=0;
                   1822: 	    my $review=0;
1.128.2.10  albertel 1823: 
                   1824: 	    @Apache::scripttag::parser_env = @_;
                   1825: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.19      albertel 1826: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.128.2.10  albertel 1827: 		@Apache::scripttag::parser_env = @_;
                   1828: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.tex
                   1829: t'});
1.122     albertel 1830: 		my $link=&link($instance,$id);
                   1831: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};
                   1832: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
1.20      albertel 1833: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1834: 		if ($status eq 'pass') {
                   1835: 		    if (!$mandatory) { $optional_passed++; }
                   1836: 		} elsif ($status eq 'fail') {
                   1837: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1838: 		} elsif ($status eq 'review') {
                   1839: 		    $review++;
1.20      albertel 1840: 		} elsif ($status eq 'ungraded') {
                   1841: 		    $ungraded++;
1.21      albertel 1842: 		} else {
1.47      albertel 1843: 		    $ungraded++;
1.19      albertel 1844: 		}
                   1845: 	    }
1.20      albertel 1846: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1847: 		$mandatory_failed++;
                   1848: 	    }
1.21      albertel 1849: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1850: 	    if ($review) {
1.89      albertel 1851: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1852: 		    'review';
1.20      albertel 1853: 	    } elsif ($ungraded) {
1.89      albertel 1854: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1855: 		    'ungraded';
1.20      albertel 1856: 	    } elsif ($mandatory_failed) {
1.89      albertel 1857: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1858: 		    'fail';
1.20      albertel 1859: 	    } else {
1.91      albertel 1860: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1861: 		    'pass';
1.20      albertel 1862: 	    }
1.69      albertel 1863: 	} else {
                   1864: 	    # any other targets no output
                   1865: 	    undef($result);
1.13      albertel 1866: 	}
1.18      albertel 1867: 	return $result;
1.1       albertel 1868:     }
                   1869: }
                   1870: 
1.113     albertel 1871: sub grading_history {
                   1872:     my ($version,$dim,$instance,$criteria) = @_;
                   1873:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   1874: 	return '';
                   1875:     }
                   1876:     my ($result,$grader);
                   1877:     my $scope="resource.$version.0.$dim.$instance.$criteria";
                   1878:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   1879: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   1880: 	    my ($gname,$gdom) = 
                   1881: 		split('@',$Apache::lonhomework::history{$t.':resource.0.regrader'});
                   1882: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   1883: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   1884: 							 $gname,$gdom);
                   1885: 	}
                   1886: 	my $entry;
                   1887: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   1888: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   1889: 	}
                   1890: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   1891: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   1892: 	}
                   1893: 	if ($entry) {
                   1894: 	    $result.= "<li>$grader : $entry </li>";
                   1895: 	}
                   1896:     }
                   1897:     if ($result) {
1.120     albertel 1898: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 1899:     }
                   1900:     return '';
                   1901: }
                   1902: 
1.1       albertel 1903: sub start_IntroParagraph {
1.87      albertel 1904:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1905:     my $result;
1.128.2.10  albertel 1906:     if ($target eq 'web' || $target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1907: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1908: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1909: 	
1.128     albertel 1910: 	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1911: 	    &Apache::lonxml::startredirection();
1.1       albertel 1912: 	}
1.47      albertel 1913: 	
1.1       albertel 1914:     }
                   1915:     return $result;
                   1916: }
                   1917: 
                   1918: sub end_IntroParagraph {
1.127     albertel 1919:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 1920:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1921: 	my $result = &Apache::lonxml::endredirection();
                   1922:     }
1.1       albertel 1923: }
                   1924: 
                   1925: sub start_Instance {
                   1926:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1927:     my $id=&get_id($parstack,$safeeval);
                   1928:     push(@{$dimension{'instances'}},$id);
                   1929:     push(@Apache::bridgetask::instance,$id);
                   1930:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1931:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1932: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1933:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1934:     if (lc($disabled) eq 'yes') {
                   1935: 	$dimension{$id.'.disabled'}='1';
                   1936:     }
1.1       albertel 1937:     return '';
                   1938: }
                   1939: 
                   1940: sub end_Instance {
                   1941: }
                   1942: 
                   1943: sub start_InstanceText {
1.87      albertel 1944:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1945:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1946:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.128.2.10  albertel 1947:     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1948: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1949:     }
                   1950:     return '';
                   1951: }
                   1952: 
                   1953: sub end_InstanceText {
                   1954:     return '';
                   1955: }
                   1956: 
                   1957: sub start_Criteria {
1.87      albertel 1958:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1959:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1960:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1961:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1962: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1963: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1964: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1965: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1966: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1967:     }
                   1968:     return '';
                   1969: }
                   1970: 
1.47      albertel 1971: sub end_Criteria {
                   1972: }
                   1973: 
1.4       albertel 1974: sub proctor_validation_screen {
                   1975:     my ($slot) = @_;
                   1976:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1977:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1978:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1979:     
1.4       albertel 1980:     my $msg;
1.11      albertel 1981:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1982: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1983: 	    .'</font></p>';
                   1984:     }
1.47      albertel 1985:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1986:     my $result= (<<ENDCHECKOUT);
                   1987: <h2>Proctor Validation</h2>
                   1988:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1989:     $msg
1.115     albertel 1990: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 1991: <input type="hidden" name="validate" value="yes" />
                   1992: <input type="hidden" name="submitted" value="yes" />
                   1993: <table>
1.44      albertel 1994:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1995:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1996:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1997: </table>
                   1998: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1999: <table border="1">
                   2000:   <tr><td>
                   2001:     <table>
                   2002:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   2003:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 2004:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.44      albertel 2005:       <tr><td>Usename</td><td>$user\@$domain</td></tr>
                   2006:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   2007:     </table>
                   2008:   </tr></td>
                   2009: </table>
1.4       albertel 2010: </form>
                   2011: ENDCHECKOUT
                   2012:     return $result;
                   2013: }
                   2014: 
1.1       albertel 2015: 1;
                   2016: __END__

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