Annotation of loncom/homework/bridgetask.pm, revision 1.144

1.1       albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
                      3: #
1.144   ! albertel    4: # $Id: bridgetask.pm,v 1.143 2006/04/20 07:00:20 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 $possible (@allowed) {
1.138     albertel   69: 	my ($puser,$pdom)=(split(':',$possible));
1.4       albertel   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"}=
1.138     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"}=
1.138     albertel  106: 		    $user.':'.$domain;
1.81      albertel  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.'.$cid.'.domain'};
1.144   ! albertel  173:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
        !           174: 
1.59      albertel  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>';
1.144   ! 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',
1.143     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="$lt{'stop'}" />
1.143     albertel  359:     <input type="button" name="fail" value="$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,$slot);
1.16      albertel  371:     if ($target ne 'webgrade') {
1.70      albertel  372: 	&Apache::structuretags::init_problem_globals('Task');
1.16      albertel  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;
1.141     albertel  381: 
                    382:     my $name;
                    383:     if ($target eq 'web' || $target eq 'webgrade') {
                    384: 	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
                    385:     }
                    386: 
                    387:     my ($result,$form_tag_start)=
                    388: 	&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,
                    389: 					   $parser,$safeeval,$name,&style());
1.16      albertel  390:     
1.141     albertel  391:     $result .= '<div class="LC_task">'."\n";
1.123     albertel  392: 
                    393: 
1.74      albertel  394:     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.13      albertel  395: 	if ($Apache::lonhomework::modifygrades) {
1.141     albertel  396: 	    $result.='<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); }
1.141     albertel  399: 	    $result.=$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'})) {
1.141     albertel  402: 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
1.40      albertel  403: 		    '<input type="hidden" name="symb" value="'.$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'});
1.141     albertel  411: 		$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
1.108     albertel  412: 		    '<input type="hidden" name="problemchoice" value="'.$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");
1.141     albertel  434: 	$result.=&add_previous_version_button($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 ( $target eq "web" ) {
1.74      albertel  438: 		if ($env{'request.state'} eq 'construct') {
                    439: 		    $result.=$form_tag_start;
                    440: 		}
1.4       albertel  441: 		my $msg;
1.1       albertel  442: 		if ($status eq 'UNAVAILABLE') {
                    443: 		    $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.3       albertel  444: 		} elsif ($status eq 'NOT_IN_A_SLOT') {
                    445: 		    $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.38      albertel  446: 		    $msg.=&add_request_another_attempt_button("Sign up for time to work.");
1.4       albertel  447: 		} elsif ($status eq 'NEEDS_CHECKIN') {
                    448: 		    $msg.='<h1>'.&mt('You need the Proctor to validate you.').
                    449: 			'</h1>'.&proctor_validation_screen($slot);
1.22      albertel  450: 		} elsif ($status eq 'WAITING_FOR_GRADE') {
                    451: 		    $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
1.64      albertel  452: 		} elsif ($env{'form.donescreen'}) {
                    453: 		    my $title=&Apache::lonnet::gettitle();
1.67      albertel  454: 		    my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
1.114     albertel  455: 		    my (undef,undef,$domain,$user)=
                    456: 			&Apache::lonxml::whichuser();
                    457: 		    my $files = '<ul>';
                    458: 		    foreach my $file (@files) {
                    459: 			my $url="/uploaded/$domain/$user/portfolio$file";
1.130     albertel  460: 			if (! &Apache::lonnet::stat_file($url)) {
                    461: 			    $file = &mt('<font color="red"> Nonexistant file:</font> <tt>[_1]</tt>',$file);
                    462: 			} else {
                    463: 			    $file = '<tt>'.$file.'</tt>';
                    464: 			}
1.114     albertel  465: 			$files .= '<li>'.$file.'</li>';
                    466: 		    }
                    467: 		    $files.='</ul>';
                    468: 
1.64      albertel  469: 		    $result.=<<DONESCREEN;
                    470: <h2>$title</h2>
                    471: <p> Files submitted: $files </p>
1.67      albertel  472: <p> You are now done with this Bridge Task </p>
1.64      albertel  473: <hr />
                    474: <p> <a href="/adm/logout">Logout</a> </p>
                    475: <p> <a href="/adm/roles">Change to a different course</a> </p>
                    476: DONESCREEN
1.1       albertel  477: 		} elsif ($status ne 'NOT_YET_VIEWED') {
                    478: 		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
                    479: 		}
                    480: 		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
                    481: 		    $msg.='The problem '.$accessmsg;
                    482: 		}
                    483: 		$result.=$msg.'<br />';
                    484: 	    } elsif ($target eq 'tex') {
                    485: 		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
                    486: 		if ($status eq 'UNAVAILABLE') {
                    487: 		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
                    488: 		} else {
                    489: 		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
                    490: 		}
1.22      albertel  491: 	    } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
1.4       albertel  492: 		if ($status eq 'NEEDS_CHECKIN') {
1.83      albertel  493: 		    if(&proctor_check_auth($slot_name,$slot,'Task')
                    494: 		       && defined($Apache::inputtags::slot_name)) {
1.77      albertel  495: 			my $result=&add_to_queue('gradingqueue',
1.82      albertel  496: 						 [$Apache::inputtags::slot_name]);
1.77      albertel  497: 			&Apache::lonxml::debug("add_to_queue said $result");
                    498: 		    }
1.4       albertel  499: 		}
1.1       albertel  500: 	    }
                    501: 	} elsif ($target eq 'web') {
1.141     albertel  502: 
1.57      albertel  503: 	    $result.=&preserve_grade_info();
                    504: 	    $result.=&internal_location();
1.36      albertel  505: 	    $result.=$form_tag_start.
                    506: 		'<input type="hidden" name="submitted" value="yes" />';
1.54      albertel  507: 	    &Apache::lonxml::startredirection();
1.1       albertel  508: 	}
1.21      albertel  509:     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
                    510: 	      $target eq 'webgrade') {
1.32      albertel  511: 	my $webgrade='yes';
1.21      albertel  512: 	if ($target eq 'webgrade') {
1.141     albertel  513: 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
1.124     albertel  514: 		'<script type="text/javascript" 
1.126     albertel  515:                          src="/res/adm/includes/task_grading.js"></script>';
1.49      albertel  516: 	    #$result.='<br />Review'.&show_queue('reviewqueue');
                    517: 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
1.30      albertel  518: 	}
1.33      albertel  519: 	# FIXME Blast! still need to reorg this, need to reshow the
                    520:         #       queue being reviewed once done with the grade pass...
                    521:         #       Hrrm, vaildation pass should perhaps say 'not_locked'
                    522:         #       perhaps do a search if there is a key that is mine and if
                    523:         #       there isn't reshow the queue....
1.105     albertel  524: 	my ($todo,$status_code,$msg)=&get_key_todo($target);
1.33      albertel  525: 
                    526: 	if ($todo) {
                    527: 	    &setup_env_for_other_user($todo,$safeeval);
                    528: 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
                    529: 	    $result.="\n".'<table><tr><td>Found '.
                    530: 		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
                    531: 	    $form_tag_start.=
                    532: 		'<input type="hidden" name="gradingkey" value="'.
                    533: 		&Apache::lonnet::escape($todo).'" />';
                    534: 	    $Apache::bridgetask::queue_key=$todo;
                    535: 	    &Apache::structuretags::initialize_storage();
                    536: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.110     albertel  537: 	    if ($target eq 'webgrade' && $status_code eq 'selected') {
                    538: 		$form_tag_start.=
                    539: 		    '<input type="hidden" name="queuemode" value="selected" />';
1.33      albertel  540: 	    }
1.15      albertel  541: 	} else {
1.33      albertel  542: 	    if ($target eq 'webgrade') {
                    543: 		$result.="\n";
1.81      albertel  544: 		my $back='<p><a href="/adm/flip?postdata=return:">'.
                    545: 		    &mt('Return to resource').'</a></p>';
1.33      albertel  546: 		if      ($status_code eq 'stop') {
1.81      albertel  547: 		    $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
1.33      albertel  548: 		} elsif ($status_code eq 'lock_failed') {
1.105     albertel  549: 		    $result.='<b>'.&mt("Failed to lock the requested record.")
1.81      albertel  550: 			.'</b>'.$back;
1.33      albertel  551: 		} elsif ($status_code eq 'unlock') {
1.81      albertel  552: 		    $result.='<b>'.&mt("Unlocked the requested record.")
                    553: 			.'</b>'.$back;
1.33      albertel  554: 		    $result.=&show_queue($env{'form.queue'},1);
                    555: 		} elsif ($status_code eq 'show_list') {
                    556: 		    $result.=&show_queue($env{'form.queue'},1);
1.49      albertel  557: 		} elsif ($status_code eq 'select_user') {
                    558: 		    $result.=&select_user();
1.95      albertel  559: 		} elsif ($status_code eq 'unable') {
                    560: 		    $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
1.105     albertel  561: 		} elsif ($status_code eq 'not_allowed') {
                    562: 		    $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
1.33      albertel  563: 		} else {
1.81      albertel  564: 		    $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
1.32      albertel  565: 		}
1.21      albertel  566: 	    }
1.33      albertel  567: 	    $webgrade='no';
1.87      albertel  568: 	    my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
1.32      albertel  569: 	}
                    570: 	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
1.61      albertel  571: 	    if ($webgrade eq 'yes') {
                    572: 		$result.=&submission_time_stamp();
                    573: 	    }
1.32      albertel  574: 	    $result.=$form_tag_start;
                    575: 	    $result.='<input type="hidden" name="webgrade" value="'.
                    576: 		$webgrade.'" />';
                    577: 	    $result.='<input type="hidden" name="queue" value="'.
                    578: 		$env{'form.queue'}.'" />';
1.52      albertel  579: 	    if ($env{'form.regrade'}) {
                    580: 		$result.='<input type="hidden" name="regrade" value="'.
                    581: 		    $env{'form.regrade'}.'" />';
                    582: 	    }
1.62      albertel  583: 	    if ($env{'form.chosensections'}) {
                    584: 		my @chosen_sections=
                    585: 		    &Apache::loncommon::get_env_multiple('form.chosensections');
                    586: 		foreach my $sec (@chosen_sections) {
                    587: 		    $result.='<input type="hidden" name="chosensections" 
                    588:                                value="'.$sec.'" />';
                    589: 		}
                    590: 	    }
1.70      albertel  591: 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
1.15      albertel  592: 	}
1.110     albertel  593: 	if ($target eq 'webgrade') {
1.120     albertel  594: 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
1.110     albertel  595: 	}
1.74      albertel  596:     } elsif ($target eq 'edit') {
1.141     albertel  597: 	$result.=$form_tag_start.
1.74      albertel  598: 	    &Apache::structuretags::problem_edit_header();
                    599: 	$Apache::lonxml::warnings_error_header=
                    600: 	    &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 />";
                    601: 	my $temp=&Apache::edit::insertlist($target,$token);
                    602: 	$result.=$temp;
1.1       albertel  603:     } else {
                    604: 	# page_start returned a starting result, delete it if we don't need it
                    605: 	$result = '';
                    606:     }
                    607:     return $result;
                    608: }
                    609: 
1.32      albertel  610: sub get_key_todo {
                    611:     my ($target)=@_;
                    612:     my $todo;
1.33      albertel  613: 
                    614:     if (defined($env{'form.reviewasubmission'})) {
1.54      albertel  615: 	&Apache::lonxml::debug("review a submission....");
1.33      albertel  616: 	$env{'form.queue'}='reviewqueue';
                    617: 	return (undef,'show_list');
                    618:     }
                    619: 
                    620:     if (defined($env{'form.reviewagrading'})) {
                    621: 	&Apache::lonxml::debug("review a grading....");
                    622: 	$env{'form.queue'}='gradingqueue';
                    623: 	return (undef,'show_list');
                    624:     }
                    625: 
1.49      albertel  626:     if (defined($env{'form.regradeasubmission'})) {
                    627: 	&Apache::lonxml::debug("regrade a grading....");
                    628: 	$env{'form.queue'}='none';
                    629: 	return (undef,'select_user');
                    630:     }
                    631: 
1.105     albertel  632: 
1.138     albertel  633:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.105     albertel  634: 
                    635:     #need to try both queues..
                    636:     if (defined($env{'form.regradeaspecificsubmission'}) &&
                    637: 	defined($env{'form.gradinguser'})               &&
                    638: 	defined($env{'form.gradingdomain'})               ) {
                    639: 	my ($symb,$cid)=&Apache::lonxml::whichuser();
                    640: 	my $cnum  = $env{'course.'.$cid.'.num'};
                    641: 	my $cdom  = $env{'course.'.$cid.'.domain'};
                    642: 	my $uname = $env{'form.gradinguser'};
                    643: 	my $udom  = $env{'form.gradingdomain'};
                    644: 
                    645: 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
                    646: 
                    647: 	my $queue;
                    648: 
                    649: 	if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
                    650: 	    $env{'form.queue'} = $queue = 'gradingqueue';
                    651: 	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
                    652: 	    $env{'form.queue'} = $queue = 'reviewqueue';
                    653: 	}
                    654: 	
                    655: 	if (!$queue) {
                    656: 	    $env{'form.queue'} = $queue = 'none';
                    657: 	    #not queued so doing either a re or pre grade
                    658: 	    return ($gradingkey);
                    659: 	}
                    660: 
                    661: 	my $who=&queue_key_locked($queue,$gradingkey);
                    662: 	if ($who eq $me) {
                    663: 	    #already have the lock
                    664: 	    $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
                    665: 	    return ($gradingkey);
                    666: 	}
                    667: 	
                    668: 	if (!defined($who)) {
                    669: 	    if (&lock_key($queue,$gradingkey)) {
                    670: 		return ($gradingkey);
                    671: 	    } else {
                    672: 		return (undef,'lock_failed');
                    673: 	    }
                    674: 	}
                    675: 
                    676: 	#otherwise (defined($who) && $who ne $me) some else has it...
                    677: 	return (undef,'not_allowed',
                    678: 		&mt('Another user ([_1]) currently has the record for [_2] locked.',
1.138     albertel  679: 		    $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
1.105     albertel  680:     }
                    681: 
                    682: 
1.32      albertel  683:     my $queue=$env{'form.queue'};
1.33      albertel  684: 
1.32      albertel  685:     if (!defined($queue)) {
                    686: 	$env{'form.queue'}=$queue='gradingqueue';
                    687:     }
1.33      albertel  688: 
1.32      albertel  689:     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.33      albertel  690: 
1.49      albertel  691:     if ($env{'form.queue'} eq 'none') {
                    692: 	if (defined($env{'form.gradingkey'})) {
                    693: 	    if ($target eq 'webgrade') {
                    694: 		if ($env{'form.stop'}) {
                    695: 		    return (undef,'stop');
                    696: 		} elsif ($env{'form.next'}) {
1.59      albertel  697: 		    return (undef,'select_user');
1.49      albertel  698: 		}
                    699: 	    }
                    700: 	    return ($gradingkey,'selected');
                    701: 	} else {
1.59      albertel  702: 	    return (undef,'select_user');
1.49      albertel  703: 	}
                    704:     }
1.32      albertel  705:     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
1.33      albertel  706: 	&& !defined($env{'form.gradingaction'}) 
                    707: 	&& $env{'form.queuemode'} eq 'selected') {
                    708: 	
                    709: 	my $who=&queue_key_locked($queue,$gradingkey);
                    710: 	if ($who eq $me) {
                    711: 	    &Apache::lonxml::debug("Found a key was given to me");
                    712: 	    return ($gradingkey,'selected');
                    713: 	} else {
                    714: 	    return (undef,'show_list');
                    715: 	}
                    716: 
                    717:     }
                    718: 
                    719:     if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
                    720: 	if ($env{'form.gradingaction'} eq 'resume') {
                    721: 	    delete($env{'form.gradingaction'});
                    722: 	    &Apache::lonxml::debug("Resuming a key");
1.32      albertel  723: 	    return ($gradingkey);
1.33      albertel  724: 	} elsif ($env{'form.gradingaction'} eq 'unlock') {
                    725: 	    &Apache::lonxml::debug("Unlocking a key ".
                    726: 				     &check_queue_unlock($queue,$gradingkey,1));
                    727: 	    return (undef,'unlock');
                    728: 	} elsif ($env{'form.gradingaction'} eq 'select') {
                    729: 	    &Apache::lonxml::debug("Locking a key");
                    730: 	    if (&lock_key($queue,$gradingkey)) {
                    731: 		&Apache::lonxml::debug("Success $queue");
                    732: 		return ($gradingkey);
                    733: 	    }
                    734: 	    &Apache::lonxml::debug("Failed $queue");
                    735: 	    return (undef,'lock_failed');
1.32      albertel  736: 	}
                    737:     }
1.33      albertel  738: 
                    739:     if ($env{'form.queuemode'} ne 'selected') {
                    740: 	# don't get something new from the queue if they hit the stop button
                    741:     	if (!($env{'form.stop'} && $target eq 'webgrade') 
                    742: 	    && !$env{'form.gradingaction'}) {
                    743: 	    &Apache::lonxml::debug("Getting anew $queue");
                    744: 	    return (&get_from_queue($queue));
                    745: 	} else {
                    746: 	    return (undef,'stop');
                    747: 	}
1.32      albertel  748:     }
1.33      albertel  749:     return (undef,undef)
1.32      albertel  750: }
1.94      albertel  751: 
                    752: sub minimize_storage {
                    753:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    754: 	if ($key =~ /regrader$/) { next; }
                    755: 	if ($Apache::lonhomework::results{$key} eq
                    756: 	    $Apache::lonhomework::history{$key}) {
                    757: 	    delete($Apache::lonhomework::results{$key});
                    758: 	}
                    759:     }
                    760: }
                    761: 
1.1       albertel  762: sub end_Task {
                    763:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    764:     my $result='';
                    765:     my $status=$Apache::inputtags::status['-1'];
1.29      albertel  766:     my ($version,$previous)=&get_version();
1.1       albertel  767:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.15      albertel  768: 	$target eq 'tex') {
1.69      albertel  769: 	if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  770: 	    if ($target eq 'web') {
1.54      albertel  771: 		if (&show_task($status,$previous)) {
                    772: 		    $result.=&Apache::lonxml::endredirection();
                    773: 		}
1.64      albertel  774: 		if ($status eq 'CAN_ANSWER' && !$previous && 
                    775: 		    !$env{'form.donescreen'}) {
1.15      albertel  776: 		    $result.="\n".'<table border="1">'.
1.28      albertel  777: 			&Apache::inputtags::file_selector("$version.0",
                    778: 							  "bridgetask","*",
1.46      albertel  779: 							  'portfolioonly',
                    780: 							  '
                    781: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
                    782: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
1.9       albertel  783: 							  "</table>";
1.77      albertel  784: 		}
1.78      albertel  785: 		if (!$previous && $status ne 'SHOW_ANSWER' &&
                    786: 		    &show_task($status,$previous)) {
1.9       albertel  787: 		    $result.=&Apache::inputtags::gradestatus('0');
1.64      albertel  788: 		    $result.='</form>';
1.116     albertel  789: 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.64      albertel  790: 		    $result.=<<DONEBUTTON;
1.115     albertel  791: <form name="done" method="post" action="$action">
1.64      albertel  792:    <input type="hidden" name="donescreen" value="1" />
                    793:    <input type="submit" value="Done" />
                    794: </form>
                    795: DONEBUTTON
1.77      albertel  796:                 }
1.56      albertel  797: 		if (&show_task($status,$previous) &&
1.89      albertel  798: 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
                    799: 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
1.54      albertel  800: 		    my $title=&Apache::lonnet::gettitle();
1.80      albertel  801: 
                    802: 		    my $slot_name=
1.89      albertel  803: 			$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
1.80      albertel  804: 		    my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  805: 		    my $start_time=
                    806: 			&Apache::lonlocal::locallocaltime($slot{'starttime'});
1.54      albertel  807: 
1.116     albertel  808: 		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
1.54      albertel  809: 		    
                    810: 		    if ($bt_status eq 'pass')  {
                    811: 			$status.='<h2>You passed the '.$title.' given on '.
1.80      albertel  812: 			    $start_time.'</h2>';
1.54      albertel  813: 		    }
                    814: 		    if ($bt_status eq 'fail')  {
                    815: 			$status.='<h2>You did not pass the '.$title.' given on '.
1.80      albertel  816: 			    $start_time.'</h2>';
1.54      albertel  817: 			if (!$previous) {
                    818: 			    $status.=&add_request_another_attempt_button();
                    819: 			}
                    820: 		    }
                    821: 		    my $man_count=0;
                    822: 		    my $opt_count=0;
                    823: 		    my $opt_passed=0;
                    824: 		    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    825: 			if ($Apache::bridgetask::dimensionmandatory{$dim_id}
                    826: 			    eq 'N') {
                    827: 			    $opt_count++;
1.89      albertel  828: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
1.54      albertel  829: 				$opt_passed++;
                    830: 			    }
                    831: 			} else {
                    832: 			    $man_count++;
                    833: 			}
                    834: 		    }
                    835: 		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
                    836: 							 $parstack,$safeeval);
                    837: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
1.99      albertel  838: 		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
1.54      albertel  839: 
                    840: 		    my $internal_location=&internal_location();
                    841: 		    $result=~s/\Q$internal_location\E/$status/;
                    842: 		}
1.13      albertel  843: 	    } 
1.117     albertel  844: 	    if ($target eq 'web') {
1.142     albertel  845: 		$result.="\n</div>\n".
                    846: 		    &Apache::loncommon::end_page({'discussion' => 1});
1.1       albertel  847: 	    }
                    848: 	}
1.29      albertel  849: 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
1.12      albertel  850: 	    my $award='SUBMITTED';
1.28      albertel  851: 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
1.20      albertel  852: 						    'portfiles',\$award);
1.14      albertel  853: 	    if ($award eq 'SUBMITTED' &&
1.28      albertel  854: 		$Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
                    855: 		$Apache::lonhomework::results{"resource.0.tries"}=
                    856: 		    $Apache::lonhomework::results{"resource.$version.0.tries"}=
                    857: 		    1+$Apache::lonhomework::history{"resource.$version.0.tries"};
                    858: 
                    859: 		$Apache::lonhomework::results{"resource.0.award"}=
                    860: 		    $Apache::lonhomework::results{"resource.$version.0.award"}=
                    861: 		    $award;
1.51      albertel  862: 		$Apache::lonhomework::results{"resource.0.submission"}=
                    863: 		    $Apache::lonhomework::results{"resource.$version.0.submission"}='';
1.64      albertel  864: 	    } else {
                    865: 		delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
1.77      albertel  866: 		$award = '';
1.10      albertel  867: 	    }
1.4       albertel  868: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
                    869: 	    &Apache::structuretags::finalize_storage();
1.83      albertel  870: 	    if ($award eq 'SUBMITTED'
                    871: 		&& defined($Apache::inputtags::slot_name)) {
1.82      albertel  872: 		&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
1.14      albertel  873: 	    }
1.79      albertel  874: 	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
                    875: 	    &Apache::structuretags::finalize_storage();
1.1       albertel  876: 	}
1.32      albertel  877: 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
1.20      albertel  878: 	    my $optional_required=
                    879: 		&Apache::lonxml::get_param('OptionalRequired',$parstack,
                    880: 					   $safeeval);
                    881: 	    my $optional_passed=0;
                    882: 	    my $mandatory_failed=0;
                    883: 	    my $ungraded=0;
                    884: 	    my $review=0;   
1.21      albertel  885: 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.20      albertel  886: 	    foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
                    887: 		my $status=
1.89      albertel  888: 		    $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
1.20      albertel  889: 		my $mandatory=
                    890: 		    ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
                    891: 		if ($status eq 'pass') {
                    892: 		    if (!$mandatory) { $optional_passed++; }
                    893: 		} elsif ($status eq 'fail') {
                    894: 		    if ($mandatory) { $mandatory_failed++; }
                    895: 		} elsif ($status eq 'ungraded') {
                    896: 		    $ungraded++;
                    897: 		} elsif ($status eq 'review') {
                    898: 		    $review++;
1.49      albertel  899: 		} else {
                    900: 		    $ungraded++;
                    901: 		}
1.20      albertel  902: 	    }
                    903: 	    if ($optional_passed < $optional_required) {
                    904: 		$mandatory_failed++;
                    905: 	    }
1.21      albertel  906: 	    &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  907: 	    $Apache::lonhomework::results{'resource.0.regrader'}=
1.138     albertel  908: 		$env{'user.name'}.':'.$env{'user.domain'};
1.20      albertel  909: 	    if ($review) {
1.89      albertel  910: 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
1.33      albertel  911: 		if ($env{'form.queue'} eq 'reviewqueue') {
                    912: 		    &check_queue_unlock($env{'form.queue'});
                    913: 		    &Apache::lonxml::debug(" still needs review not changing status.");
                    914: 		} else {
1.49      albertel  915: 		    &move_between_queues($env{'form.queue'},'reviewqueue');
1.33      albertel  916: 		}
1.20      albertel  917: 	    } elsif ($ungraded) {
1.89      albertel  918: 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
1.49      albertel  919: 		if ($env{'form.queue'} eq 'reviewqueue' ||
                    920: 		    $env{'form.queue'} eq 'none' ) {
1.33      albertel  921: 		    &Apache::lonxml::debug("moving back.");
1.49      albertel  922: 		    &move_between_queues($env{'form.queue'},'gradingqueue');
1.33      albertel  923: 		} else {
                    924: 		    &check_queue_unlock($env{'form.queue'});
                    925: 		}
1.20      albertel  926: 	    } elsif ($mandatory_failed) {
1.89      albertel  927: 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
1.25      albertel  928: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
                    929: 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
                    930: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
1.39      albertel  931: 		&remove_from_queue($env{'form.queue'}); 
                    932: 
                    933: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  934: 		
                    935: 		if ($env{'form.regrade'} ne 'yes') {
                    936: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    937: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    938: 		    &Apache::grades::version_portfiles(
                    939: 						       \%Apache::lonhomework::results,
                    940: 						       ["$version.0.bridgetask"],$courseid,
                    941: 						       $symb,$udom,$uname,
                    942: 						       ["$version.0.bridgetask"]);
                    943: 		}
1.20      albertel  944: 	    } else {
1.89      albertel  945: 		$Apache::lonhomework::results{"resource.$version.0.status"}='pass';
1.25      albertel  946: 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
                    947: 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
                    948: 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
1.32      albertel  949: 		&remove_from_queue($env{'form.queue'});
1.39      albertel  950: 
                    951: 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
1.52      albertel  952: 		if ($env{'form.regrade'} ne 'yes') {
                    953: 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
                    954: 			$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
                    955: 		    &Apache::grades::version_portfiles(
                    956: 						       \%Apache::lonhomework::results,
                    957: 						       ["$version.0.bridgetask"],$courseid,
                    958: 						       $symb,$udom,$uname,
                    959: 						       ["$version.0.bridgetask"]);
                    960: 		}
1.20      albertel  961: 	    }
1.89      albertel  962: 	    $Apache::lonhomework::results{"resource.0.status"}=
                    963: 		$Apache::lonhomework::results{"resource.$version.0.status"};
1.28      albertel  964: 	    if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
1.26      albertel  965: 		$Apache::lonhomework::results{"resource.0.award"}=
1.50      albertel  966: 		    $Apache::lonhomework::results{"resource.$version.0.award"};
1.26      albertel  967: 		$Apache::lonhomework::results{"resource.0.awarded"}=
1.50      albertel  968: 		    $Apache::lonhomework::results{"resource.$version.0.awarded"};
1.26      albertel  969: 		$Apache::lonhomework::results{"resource.0.solved"}=
1.50      albertel  970: 		    $Apache::lonhomework::results{"resource.$version.0.solved"};
1.25      albertel  971: 	    }
1.94      albertel  972: 	    &minimize_storage();
1.21      albertel  973: 	    &Apache::structuretags::finalize_storage();
1.20      albertel  974: 	}
1.15      albertel  975:     } elsif ($target eq 'webgrade') {
1.131     albertel  976: 	$result.="</div>";
1.20      albertel  977: 	#$result.='<input type="submit" name="next" value="'.
                    978: 	#    &mt('Save &amp; Next').'" /> ';
                    979: 	#$result.='<input type="submit" name="end" value="'.
                    980: 	#    &mt('Save &amp; Stop Grading').'" /> ';
                    981: 	#$result.='<input type="submit" name="throwaway" value="'.
                    982: 	#    &mt('Throw Away &amp; Stop Grading').'" /> ';
                    983: 	#$result.='<input type="submit" name="save" value="'.
                    984: 	#    &mt('Save Partial Grade and Continue Grading').'" /> ';
1.124     albertel  985: 	$result.='</form>'."\n</div>\n</div>\n".
1.140     albertel  986: 	    &Apache::loncommon::end_page();
1.1       albertel  987:     } elsif ($target eq 'meta') {
1.70      albertel  988: 	$result.=&Apache::response::meta_package_write('Task');
1.77      albertel  989:         $result.=&Apache::response::meta_stores_write('solved','string',
                    990: 						      'Problem Status');
                    991: 	$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
                    992: 						      'Number of Attempts');
                    993: 	$result.=&Apache::response::meta_stores_write('awarded','float',
                    994: 						      'Partial Credit Factor');
                    995: 	$result.=&Apache::response::meta_stores_write('status','string',
                    996: 						      'Bridge Task Status');
1.1       albertel  997:     }
1.4       albertel  998:     undef($Apache::lonhomework::parsing_a_task);
1.1       albertel  999:     return $result;
                   1000: }
                   1001: 
1.31      albertel 1002: sub move_between_queues {
                   1003:     my ($src_queue,$dest_queue)=@_;
1.49      albertel 1004:     my $cur_data;
                   1005:     if ($src_queue ne 'none') {
                   1006: 	$cur_data=&get_queue_data($src_queue);
                   1007: 	if (!$cur_data) { return 'not_exist'; }
                   1008:     } else {
                   1009: 	$cur_data = ['none'];
                   1010:     }
1.82      albertel 1011:     my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
1.31      albertel 1012:     if ($result ne 'ok') {
                   1013: 	return $result;
                   1014:     }
                   1015:     &check_queue_unlock($src_queue);
                   1016:     return &remove_from_queue($src_queue);
1.21      albertel 1017: }
                   1018: 
                   1019: sub check_queue_unlock {
1.32      albertel 1020:     my ($queue,$key,$allow_not_me)=@_;
1.49      albertel 1021:     if ($queue eq 'none') { return 'ok'; }
1.30      albertel 1022:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.32      albertel 1023:     if (!defined($key)) {
1.138     albertel 1024: 	$key="$symb\0queue\0$uname:$udom";
1.32      albertel 1025:     }
1.30      albertel 1026:     my $cnum=$env{'course.'.$cid.'.num'};
                   1027:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1028:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.30      albertel 1029:     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
                   1030:     if  ($who eq $me) {
1.32      albertel 1031: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
                   1032:     } elsif ($allow_not_me) {
1.33      albertel 1033: 	&Apache::lonxml::debug("unlocking $who by $me");
1.32      albertel 1034: 	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
1.30      albertel 1035:     }
1.32      albertel 1036:     return 'not_owner';
1.21      albertel 1037: }
                   1038: 
1.88      albertel 1039: sub in_queue {
                   1040:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
                   1041:     if ($queue eq 'none') { return 0; }
                   1042:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1043: 	|| !defined($udom) || !defined($uname)) {
                   1044: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1045: 	$cnum=$env{'course.'.$cid.'.num'};
                   1046: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1047:     }
                   1048: 
                   1049:     my $key=&encode_queue_key($symb,$udom,$uname);
                   1050:     my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
                   1051: 
                   1052:     if (defined($results{$key})) {
                   1053: 	return 1;
                   1054:     }
                   1055:     return 0;
                   1056: }
                   1057: 
1.21      albertel 1058: sub remove_from_queue {
1.86      albertel 1059:     my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
1.49      albertel 1060:     if ($queue eq 'none') { return 'ok'; }
1.86      albertel 1061:     if (!defined($symb) || !defined($cdom) || !defined($cnum)
                   1062: 	|| !defined($udom) || !defined($uname)) {
                   1063: 	($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1064: 	$cnum=$env{'course.'.$cid.'.num'};
                   1065: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1066:     }
1.88      albertel 1067:     if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
                   1068: 	return 'ok';
                   1069:     }
1.86      albertel 1070:     my $key=&encode_queue_key($symb,$udom,$uname);
1.27      albertel 1071:     my @keys=($key,"$key\0locked");
1.31      albertel 1072:     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
1.21      albertel 1073: }
                   1074: 
1.16      albertel 1075: sub setup_env_for_other_user {
                   1076:     my ($queue_key,$safeeval)=@_;
                   1077:     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
1.30      albertel 1078:     &Apache::lonxml::debug("setup_env for $queue_key");
1.16      albertel 1079:     $env{'form.grade_symb'}=$symb;
                   1080:     $env{'form.grade_domain'}=$udom;
                   1081:     $env{'form.grade_username'}=$uname;
                   1082:     $env{'form.grade_courseid'}=$env{'request.course.id'};
                   1083:     &Apache::lonxml::initialize_rndseed($safeeval);
                   1084: }
                   1085: 
1.31      albertel 1086: sub get_queue_data {
                   1087:     my ($queue)=@_;
                   1088:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1089:     my $cnum=$env{'course.'.$cid.'.num'};
                   1090:     my $cdom=$env{'course.'.$cid.'.domain'};
1.138     albertel 1091:     my $todo="$symb\0queue\0$uname:$udom";
1.31      albertel 1092:     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
                   1093:     if ($key eq $todo && ref($value)) {
                   1094: 	return $value;
                   1095:     }
                   1096:     return undef;
                   1097: }
                   1098: 
1.84      albertel 1099: 
1.49      albertel 1100: sub check_queue_for_key {
1.84      albertel 1101:     my ($cdom,$cnum,$queue,$todo)=@_;
                   1102: 
1.49      albertel 1103:     my %results=
                   1104: 	&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
                   1105:     
                   1106:     if (exists($results{$todo}) && ref($results{$todo})) {
                   1107: 	if (defined($results{"$todo\0locked"})) {
                   1108: 	    return 'locked';
                   1109: 	}
1.86      albertel 1110: 	my $slot;
                   1111: 	if (ref($results{$todo}) eq 'ARRAY')  {
                   1112: 	    $slot = $results{$todo}[0];
                   1113: 	} elsif (ref($results{$todo}) eq 'HASH')  {
                   1114: 	    $slot = $results{$todo}{'slot'};
                   1115: 	}
                   1116: 	if (defined($slot)) {
                   1117: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
                   1118: 	    if ($slot_data{'endtime'} > time) { 
                   1119: 		return 'in_progress';
                   1120: 	    }
1.58      albertel 1121: 	}
1.49      albertel 1122: 	return 'enqueued';
                   1123:     }
                   1124:     return undef;
                   1125: }
                   1126: 
1.14      albertel 1127: sub add_to_queue {
1.82      albertel 1128:     my ($queue,$user_data)=@_;
1.49      albertel 1129:     if ($queue eq 'none') { return 'ok'; }
1.14      albertel 1130:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1.82      albertel 1131:     if (!$cid || $env{'request.state'} eq 'construct') {
                   1132: 	return 'no_queue';
                   1133:     }
1.14      albertel 1134:     my $cnum=$env{'course.'.$cid.'.num'};
                   1135:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1136:     my %data;
1.138     albertel 1137:     $data{"$symb\0queue\0$uname:$udom"}=$user_data;
1.83      albertel 1138:     return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
1.14      albertel 1139: }
                   1140: 
                   1141: sub show_queue {
1.32      albertel 1142:     my ($queue,$with_selects)=@_;
1.14      albertel 1143:     my $result;
                   1144:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1145:     my $cnum=$env{'course.'.$cid.'.num'};
                   1146:     my $cdom=$env{'course.'.$cid.'.domain'};
1.59      albertel 1147: 
                   1148:     my @chosen_sections=
                   1149: 	&Apache::loncommon::get_env_multiple('form.chosensections');
                   1150:     &Apache::grades::init_perm();
                   1151:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
                   1152:     &Apache::grades::reset_perm();
1.63      albertel 1153:     if (!(grep(/^all$/,@chosen_sections))) {
                   1154: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1155: 	    '</tt>.</p> '."\n";
                   1156:     }
1.59      albertel 1157: 
1.16      albertel 1158:     my $regexp="^$symb\0";
1.30      albertel 1159:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.31      albertel 1160:     my ($tmp)=%queue;
                   1161:     if ($tmp=~/^error: 2 /) {
1.33      albertel 1162: 	return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
1.31      albertel 1163:     }
1.103     albertel 1164:     my $title=&Apache::lonnet::gettitle($symb);
                   1165:     $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
                   1166:     if ($with_selects) { $result.="<th>Status</th><th></th>"; }
                   1167:     $result.="<th>user</th><th>data</th></tr>";
1.14      albertel 1168:     foreach my $key (sort(keys(%queue))) {
1.59      albertel 1169: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1170: 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
1.32      albertel 1171: 	if ($key=~/locked$/ && !$with_selects) {
1.103     albertel 1172: 	    $result.="<tr><td>$uname</td>";
                   1173: 	    $result.='<td>'.$queue{$key}.'</td></tr>';
1.32      albertel 1174: 	} elsif ($key=~/timestamp$/ && !$with_selects) {
1.103     albertel 1175: 	    $result.="<tr><td></td>";
                   1176: 	    $result.='<td>'.
1.16      albertel 1177: 		&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
1.32      albertel 1178: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1179: 	    $result.="<tr>";
1.35      albertel 1180: 	    my $slot=$queue{$key}->[0];
                   1181: 	    my %slot_data=&Apache::lonnet::get_slot($slot);
1.32      albertel 1182: 	    if ($with_selects) {
                   1183: 		my $ekey=&Apache::lonnet::escape($key);
1.103     albertel 1184: 		my ($action,$description,$status)=('select',&mt('Select'));
1.32      albertel 1185: 		if (exists($queue{"$key\0locked"})) {
1.138     albertel 1186: 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.103     albertel 1187: 		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
1.32      albertel 1188: 		    if ($me eq $queue{"$key\0locked"}) {
                   1189: 			($action,$description)=('resume',&mt('Resume'));
                   1190: 		    } else {
                   1191: 			($action,$description)=('unlock',&mt('Unlock'));
                   1192: 		    }
                   1193: 		}
1.62      albertel 1194: 		my $seclist;
                   1195: 		foreach my $sec (@chosen_sections) {
                   1196: 		    $seclist.='<input type="hidden" name="chosensections" 
                   1197:                                value="'.$sec.'" />';
                   1198: 		}
1.35      albertel 1199: 		if (time > $slot_data{'endtime'}) {
                   1200: 		    $result.=(<<FORM);
1.103     albertel 1201: <td>$status</td>
1.32      albertel 1202: <td>
1.115     albertel 1203: <form style="display: inline" method="post">
1.32      albertel 1204:  <input type="hidden" name="gradingkey" value="$ekey" />
                   1205:  <input type="hidden" name="queue" value="$queue" />
                   1206:  <input type="hidden" name="gradingaction" value="$action" />
                   1207:  <input type="hidden" name="webgrade" value="no" />
1.33      albertel 1208:  <input type="hidden" name="queuemode" value="selected" />
1.32      albertel 1209:  <input type="submit" name="submit" value="$description" />
1.62      albertel 1210:  $seclist
1.32      albertel 1211: </form>
                   1212: </td>
                   1213: FORM
1.35      albertel 1214: 
                   1215:                 } else {
                   1216: 		    $result.='<td>'.&mt("In Progress").'</td>'
                   1217: 		}
1.32      albertel 1218: 	    }
1.104     albertel 1219: 	    $result.= "<td>".$fullname->{$uname.':'.$udom}.
1.138     albertel 1220: 		" <tt>($uname:$udom)</tt> </td>";
1.103     albertel 1221: 	    $result.='<td>Slot: '.$slot.' End time: '.
1.20      albertel 1222: 		&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
                   1223: 		"</td></tr>";
1.16      albertel 1224: 	}
1.14      albertel 1225:     }
1.15      albertel 1226:     $result.="</table><hr />\n";
1.14      albertel 1227:     return $result;
                   1228: }
                   1229: 
1.34      albertel 1230: sub get_queue_counts {
                   1231:     my ($queue)=@_;
                   1232:     my $result;
                   1233:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1234:     my $cnum=$env{'course.'.$cid.'.num'};
                   1235:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1236:     my $regexp="^$symb\0";
                   1237:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1238:     my ($tmp)=%queue;
                   1239:     if ($tmp=~/^error: 2 /) {
                   1240: 	return (0,0,0);
                   1241:     }
                   1242:     my ($entries,$ready_to_grade,$locks)=(0,0,0);
1.96      albertel 1243:     my %slot_cache;
1.34      albertel 1244:     foreach my $key (sort(keys(%queue))) {
                   1245: 	if ($key=~/locked$/) {
                   1246: 	    $locks++;
                   1247: 	} elsif ($key=~/timestamp$/) {
                   1248: 	    #ignore
                   1249: 	} elsif ($key!~/(timestamp|locked)$/) {
                   1250: 	    my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1251: 	    $entries++;
                   1252: 	    my $slot=$queue{$key}->[0];
1.96      albertel 1253: 	    if (!exists($slot_cache{$slot})) {
                   1254: 		my %slot_data=&Apache::lonnet::get_slot($slot);
                   1255: 		$slot_cache{$slot} = \%slot_data;
                   1256: 	    }
                   1257: 	    if (time > $slot_cache{$slot}{'endtime'}) {
1.34      albertel 1258: 		$ready_to_grade++;
                   1259: 	    }
                   1260: 	}
                   1261:     }
                   1262:     return ($entries,$ready_to_grade,$locks);
                   1263: }
                   1264: 
1.49      albertel 1265: sub encode_queue_key {
                   1266:     my ($symb,$udom,$uname)=@_;
1.138     albertel 1267:     return "$symb\0queue\0$uname:$udom";
1.49      albertel 1268: }
                   1269: 
1.14      albertel 1270: sub decode_queue_key {
                   1271:     my ($key)=@_;
                   1272:     my ($symb,undef,$user) = split("\0",$key);
1.138     albertel 1273:     my ($uname,$udom) = split(':',$user);
1.14      albertel 1274:     return ($symb,$uname,$udom);
                   1275: }
                   1276: 
                   1277: sub queue_key_locked {
1.30      albertel 1278:     my ($queue,$key,$cdom,$cnum)=@_;
1.33      albertel 1279:     if (!defined($cdom) || !defined($cnum)) {
                   1280: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1281: 	$cnum=$env{'course.'.$cid.'.num'};
                   1282: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1283:     }
1.14      albertel 1284:     my ($key_locked,$value)=
1.30      albertel 1285: 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1.14      albertel 1286:     if ($key_locked eq "$key\0locked") {
                   1287: 	return $value;
                   1288:     }
                   1289:     return undef;
                   1290: }
                   1291: 
                   1292: sub pick_from_queue_data {
1.30      albertel 1293:     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1.98      albertel 1294:     my @possible; # will hold queue entries that are valid to be selected
1.30      albertel 1295:     foreach my $key (keys(%$queuedata)) {
1.68      albertel 1296: 	if ($key =~ /\0locked$/) { next; }
                   1297: 	if ($key =~ /\0timestamp$/) { next; }
1.14      albertel 1298: 	my ($symb,$uname,$udom)=&decode_queue_key($key);
                   1299: 	if ($check_section) {
                   1300: 	    my $section=&Apache::lonnet::getsection($uname,$udom);
1.17      albertel 1301: 	    if ($section eq $check_section) {
1.33      albertel 1302: 		&Apache::lonxml::debug("my sec");
1.15      albertel 1303: 		next;
                   1304: 	    }
1.14      albertel 1305: 	}
1.30      albertel 1306: 	my $slot=$queuedata->{$key}[0];
1.14      albertel 1307: 	my %slot_data=&Apache::lonnet::get_slot($slot);
1.15      albertel 1308: 	if ($slot_data{'endtime'} > time) { 
1.33      albertel 1309: 	    &Apache::lonxml::debug("not time");
1.15      albertel 1310: 	    next;
                   1311: 	}
1.98      albertel 1312: 	if (exists($queuedata->{"$key\0locked"})) {
1.33      albertel 1313: 	    &Apache::lonxml::debug("someone already has um.");
1.15      albertel 1314: 	    next;
                   1315: 	}
1.98      albertel 1316: 	push(@possible,[$key,$slot_data{'endtime'}]);
                   1317:     }
                   1318:     if (@possible) {
                   1319:         # sort entries in order by slot end time
                   1320: 	@possible = sort { $a->[1] <=> $b->[1] } @possible;
1.137     albertel 1321: 	# pick one of the entries in the top 10% in small queues and one
                   1322: 	# of the first ten entries in large queues
1.139     albertel 1323: 	#my $ten_percent = int($#possible * 0.1);
                   1324: 	#if ($ten_percent < 1 ) { $ten_percent = 1;  }
                   1325: 	#if ($ten_percent > 10) { $ten_percent = 10; }
                   1326: 	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
1.137     albertel 1327: 	
1.139     albertel 1328: 	#return $possible[int(rand($max))][0];
                   1329: 	return $possible[0][0];
1.14      albertel 1330:     }
                   1331:     return undef;
                   1332: }
                   1333: 
1.15      albertel 1334: sub find_mid_grade {
1.30      albertel 1335:     my ($queue,$symb,$cdom,$cnum)=@_;
1.16      albertel 1336:     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1.138     albertel 1337:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.15      albertel 1338:     if ($todo) {
1.30      albertel 1339: 	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1.15      albertel 1340: 	if ($who eq $me) { return $todo; }
                   1341:     }
                   1342:     my $regexp="^$symb\0.*\0locked\$";
1.30      albertel 1343:     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.15      albertel 1344:     foreach my $key (keys(%locks)) {
                   1345: 	my $who=$locks{$key};
                   1346: 	if ($who eq $me) {
                   1347: 	    $todo=$key;
                   1348: 	    $todo=~s/\0locked$//;
                   1349: 	    return $todo;
                   1350: 	}
                   1351:     }
                   1352:     return undef;
                   1353: }
                   1354: 
1.32      albertel 1355: sub lock_key {
                   1356:     my ($queue,$todo)=@_;
1.138     albertel 1357:     my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.32      albertel 1358:     my (undef,$cid)=&Apache::lonxml::whichuser();
                   1359:     my $cnum=$env{'course.'.$cid.'.num'};
                   1360:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1361:     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
                   1362: 					$cdom,$cnum);
1.33      albertel 1363:     &Apache::lonxml::debug("success $success $todo");
1.32      albertel 1364:     if ($success eq 'ok') {
                   1365: 	return 1;
                   1366:     }
                   1367:     return 0;
                   1368: }
                   1369: 
1.86      albertel 1370: sub get_queue_symb_status {
1.85      albertel 1371:     my ($queue,$symb,$cdom,$cnum) = @_;
                   1372:     if (!defined($cdom) || !defined($cnum)) {
                   1373: 	my (undef,$cid)=&Apache::lonxml::whichuser();
                   1374: 	$cnum=$env{'course.'.$cid.'.num'};
                   1375: 	$cdom=$env{'course.'.$cid.'.domain'};
                   1376:     }
                   1377:     my $regexp="^$symb\0";
                   1378:     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
                   1379:     my ($tmp)=%queue;
                   1380:     if ($tmp=~/^error: 2 /) { return; }
                   1381:     my @users;
                   1382:     foreach my $key (sort(keys(%queue))) {
                   1383: 	next if ($key=~/locked$/);
                   1384: 	next if ($key=~/timestamp$/);
                   1385: 	my ($symb,$uname,$udom) = &decode_queue_key($key);
                   1386: 	push(@users,"$uname:$udom");
                   1387:     }
                   1388:     return @users;
                   1389: }
                   1390: 
1.14      albertel 1391: sub get_from_queue {
1.30      albertel 1392:     my ($queue)=@_;
1.14      albertel 1393:     my $result;
                   1394:     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
                   1395:     my $cnum=$env{'course.'.$cid.'.num'};
                   1396:     my $cdom=$env{'course.'.$cid.'.domain'};
1.32      albertel 1397:     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1.33      albertel 1398:     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1.16      albertel 1399:     if ($todo) { return $todo; }
1.95      albertel 1400:     my $attempts=0;
1.14      albertel 1401:     while (1) {
1.95      albertel 1402: 	if ($attempts > 2) {
                   1403: 	    # tried twice to get a queue entry, giving up
                   1404: 	    return (undef,'unable');
                   1405: 	}
1.14      albertel 1406: 	my $starttime=time;
1.83      albertel 1407: 	&Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
                   1408: 			      $cdom,$cnum);
1.33      albertel 1409: 	&Apache::lonxml::debug("$starttime");
1.14      albertel 1410: 	my $regexp="^$symb\0queue\0";
1.97      albertel 1411: 	my $range= ($attempts < 1 ) ? '0-100' : '0-400';
                   1412: 
1.98      albertel 1413: 	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1.33      albertel 1414: 	#make a pass looking for a user _not_ in my section
1.14      albertel 1415: 	if ($env{'request.course.sec'}) {
1.33      albertel 1416: 	    &Apache::lonxml::debug("sce");
1.30      albertel 1417: 	    $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
                   1418: 					\%queue,$cdom,$cnum);
1.33      albertel 1419: 	    &Apache::lonxml::debug("sce $todo");
1.14      albertel 1420: 	}
1.33      albertel 1421: 	# no one _not_ in our section so look for any user that is
                   1422: 	# ready for grading
1.14      albertel 1423: 	if (!$todo) {
1.33      albertel 1424: 	    &Apache::lonxml::debug("no sce");
1.98      albertel 1425: 	    $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
1.33      albertel 1426: 	    &Apache::lonxml::debug("no sce $todo");
1.14      albertel 1427: 	}
                   1428: 	# no user to grade 
                   1429: 	if (!$todo) { last; }
1.33      albertel 1430: 	&Apache::lonxml::debug("got $todo");
1.14      albertel 1431: 	# otherwise found someone so lets try to lock them
1.32      albertel 1432: 	# unless someone else already picked them
1.95      albertel 1433: 	if (!&lock_key($queue,$todo)) {
                   1434: 	    $attempts++;
                   1435: 	    next;
                   1436: 	}
1.14      albertel 1437: 	my (undef,$endtime)=
1.30      albertel 1438: 	    &Apache::lonnet::get($queue,["$symb\0timestamp"],
1.14      albertel 1439: 				 $cdom,$cnum);
1.33      albertel 1440: 	&Apache::lonxml::debug("emd  $endtime");
1.14      albertel 1441: 	# someone else already modified the queue, 
                   1442: 	# perhaps our picked user wass already fully graded between
                   1443: 	# when we picked him and when we locked his record? so lets
                   1444: 	# double check.
                   1445: 	if ($endtime != $starttime) {
                   1446: 	    my ($key,$value)=
1.30      albertel 1447: 		&Apache::lonnet::get($queue,["$todo"],
1.14      albertel 1448: 				     $cdom,$cnum);
1.33      albertel 1449: 	    &Apache::lonxml::debug("check  $key .. $value");
1.14      albertel 1450: 	    if ($key eq $todo && ref($value)) {
                   1451: 	    } else {
1.30      albertel 1452: 		&Apache::lonnet::del($queue,["$todo\0locked"],
1.14      albertel 1453: 				     $cdom,$cnum);
1.33      albertel 1454: 		&Apache::lonxml::debug("del");
1.95      albertel 1455: 		$attempts++;
1.14      albertel 1456: 		next;
                   1457: 	    }
                   1458: 	}
1.33      albertel 1459: 	&Apache::lonxml::debug("last $todo");
1.14      albertel 1460: 	last;
                   1461:     }
                   1462:     return $todo;
                   1463: }
                   1464: 
1.49      albertel 1465: sub select_user {
                   1466:     my ($symb,$cid)=&Apache::lonxml::whichuser();
                   1467: 
1.59      albertel 1468:     my @chosen_sections=
                   1469: 	&Apache::loncommon::get_env_multiple('form.chosensections');
1.49      albertel 1470:     &Apache::grades::init_perm();
1.59      albertel 1471:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1.49      albertel 1472:     &Apache::grades::reset_perm();
1.63      albertel 1473:     
                   1474:     my $result;
                   1475:     if (!(grep(/^all$/,@chosen_sections))) {
                   1476: 	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
                   1477: 	    '</tt>.</p> '."\n";
                   1478:     }
                   1479:     $result.='<table border="1">';
1.49      albertel 1480: 
                   1481:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   1482: 	my ($uname,$udom) = split(/:/,$student);
1.59      albertel 1483: 	
1.84      albertel 1484: 	my $cnum=$env{'course.'.$cid.'.num'};
                   1485: 	my $cdom=$env{'course.'.$cid.'.domain'};
1.88      albertel 1486: 	my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
                   1487: 					 'Task');
1.49      albertel 1488: 	my $queue = 'none';
1.58      albertel 1489: 	my $cannot_grade;
                   1490: 	if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1491: 	    $queue = 'reviewqueue';
1.58      albertel 1492: 	    if ($status{'reviewqueue'} eq 'in_progress') {
                   1493: 		$cannot_grade=1;
                   1494: 	    }
                   1495: 	} elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1.49      albertel 1496: 	    $queue = 'gradingqueue';
1.58      albertel 1497: 	    if ($status{'gradingqueue'} eq 'in_progress') {
                   1498: 		$cannot_grade=1;
                   1499: 	    }
1.49      albertel 1500: 	}
                   1501: 	my $todo = 
                   1502: 	    &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1.58      albertel 1503: 	if ($cannot_grade) {
                   1504: 	    $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
                   1505: 		'</td><td>';
                   1506: 	} else {
1.62      albertel 1507: 	    my $seclist;
                   1508: 	    foreach my $sec (@chosen_sections) {
                   1509: 		$seclist.='<input type="hidden" name="chosensections" 
                   1510:                                value="'.$sec.'" />';
                   1511: 	    }
1.102     albertel 1512: 	    my $studentdis = $student;
                   1513: 	    $studentdis =~ tr/:/@/;
1.58      albertel 1514: 	    $result.=<<RESULT;
1.49      albertel 1515: <tr>
                   1516:   <td>
1.115     albertel 1517:     <form style="display: inline" method="post">
1.49      albertel 1518:       <input type="hidden" name="gradingkey" value="$todo" />
                   1519:       <input type="hidden" name="queue" value="$queue" />
                   1520:       <input type="hidden" name="webgrade" value="no" />
1.52      albertel 1521:       <input type="hidden" name="regrade" value="yes" />
1.62      albertel 1522:       <input type="submit" name="submit" value="Regrade" />
                   1523:       $seclist
1.49      albertel 1524:     </form>
1.102     albertel 1525:   <td>$fullname->{$student} <tt>($studentdis)</tt></td>
1.49      albertel 1526:   <td>
                   1527: RESULT
1.58      albertel 1528:         }
1.49      albertel 1529:         if ($status{'status'} eq 'pass') {
                   1530: 	    $result .= '<font color="green">'.&mt('Passed').'</font>';
                   1531: 	} elsif ($status{'status'} eq 'fail') {
                   1532: 	    $result .= '<font color="red">'.&mt('Failed').'</font>';
                   1533: 	} elsif ($status{'status'} eq 'review') {
                   1534: 	    $result .= '<font color="blue">'.&mt('Under Review').'</font>';
                   1535: 	} elsif ($status{'status'} eq 'ungraded') {
                   1536: 	    $result .= &mt('Ungraded');
                   1537: 	} elsif ($status{'status'} ne '') {
                   1538: 	    $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
                   1539: 	} else {
                   1540: 	    $result.="&nbsp;";
                   1541: 	}
                   1542: 	if ($status{'version'}) {
                   1543: 	    $result .= ' '.&mt('Version').' '.$status{'version'};
                   1544: 	}
1.101     albertel 1545: 	if ($status{'grader'}) {
                   1546: 	    $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
                   1547: 	}
1.49      albertel 1548: 	$result.= '</td><td>';
                   1549: 	if ($status{'reviewqueue'} eq 'enqueued') {
                   1550: 	    $result .= &mt('Awaiting Review');
                   1551: 	} elsif ($status{'reviewqueue'} eq 'locked') {
                   1552: 	    $result .= &mt('Under Review');
1.58      albertel 1553: 	} elsif ($status{'reviewqueue'} eq 'in_progress') {
                   1554: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1555: 	} elsif ($status{'gradingqueue'} eq 'enqueued') {
                   1556: 	    $result .= &mt('Awaiting Grading');
                   1557: 	} elsif ($status{'gradingqueue'} eq 'locked') {
                   1558: 	    $result .= &mt('Being Graded');
1.58      albertel 1559: 	} elsif ($status{'gradingqueue'} eq 'in_progress') {
                   1560: 	    $result .= &mt('Still being worked on.');
1.49      albertel 1561: 	} else {
                   1562: 	    $result.="&nbsp;";
                   1563: 	}
                   1564: 	$result.= '</td></tr>';
                   1565:     }
                   1566:     $result.='</table>';
                   1567:     return $result;
                   1568: }
                   1569: 
                   1570: sub get_student_status {
1.86      albertel 1571:     my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
                   1572: 
                   1573:     my %status;
                   1574: 
                   1575:     if ($type eq 'Task') {
                   1576: 	my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1.49      albertel 1577: 					  $udom,$uname);
1.89      albertel 1578: 	$status{'status'}=$record{'resource.0.status'};
                   1579: 	$status{'version'}=$record{'resource.0.version'};
                   1580: 	$status{'grader'}=$record{'resource.0.regrader'};
1.86      albertel 1581:     }
                   1582:     $status{'reviewqueue'}=
                   1583: 	&check_queue_for_key($cdom,$cnum,'reviewqueue',
                   1584: 			     &encode_queue_key($symb,$udom,$uname));
                   1585:     $status{'gradingqueue'}=
                   1586: 	&check_queue_for_key($cdom,$cnum,'gradingqueue',
                   1587: 			     &encode_queue_key($symb,$udom,$uname));
1.49      albertel 1588:     return %status;
                   1589: }
                   1590: 
1.1       albertel 1591: sub start_ClosingParagraph {
                   1592:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1593:     my $result;
                   1594:     if ($target eq 'web') {
1.13      albertel 1595:     } elsif ($target eq 'webgrade') {
                   1596: 	&Apache::lonxml::startredirection();
1.1       albertel 1597:     }
                   1598:     return $result;
                   1599: }
                   1600: 
                   1601: sub end_ClosingParagraph {
                   1602:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1603:     my $result;
                   1604:     if ($target eq 'web') {
1.13      albertel 1605:     } elsif ($target eq 'webgrade') {
                   1606: 	&Apache::lonxml::endredirection();
1.1       albertel 1607:     }
                   1608:     return $result;
                   1609: }
                   1610: 
1.19      albertel 1611: sub get_id {
                   1612:     my ($parstack,$safeeval)=@_;
                   1613:     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
                   1614:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                   1615:     return $id;
                   1616: }
                   1617: 
1.1       albertel 1618: my %dimension;
                   1619: sub start_Dimension {
                   1620:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                   1621:     undef(%dimension);
1.19      albertel 1622:     my $dim_id=&get_id($parstack,$safeeval);
1.9       albertel 1623:     $Apache::bridgetask::dimension=$dim_id;
                   1624:     push(@Apache::bridgetask::dimensionlist,$dim_id);
                   1625:     undef(@Apache::bridgetask::instance);
1.20      albertel 1626:     $Apache::bridgetask::dimensionmandatory{$dim_id}=
                   1627: 	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.54      albertel 1628:     &Apache::lonxml::startredirection();
                   1629:     return &internal_location($dim_id);
1.1       albertel 1630: }
                   1631: 
1.13      albertel 1632: sub get_instance {
1.75      albertel 1633:     my ($dim)=@_;
                   1634:     my $rand_alg=&Apache::lonnet::get_rand_alg();
                   1635:     if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
                   1636: 	$rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
                   1637: 	$rand_alg eq '64bit4' ) {
                   1638: 	&Apache::response::pushrandomnumber();
                   1639: 	my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
                   1640: 	my $num=@order;
                   1641: 	my $version=&get_version();
                   1642: 	my $which=($version-1)%$num;
                   1643: 	return $order[$which];
                   1644:     } else {
                   1645: 	my ($version,$previous) = &get_version();
                   1646: 	my $instance = 
                   1647: 	    $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
                   1648: 	if (defined($instance)) { return $instance; }
                   1649: 
                   1650: 	&Apache::response::pushrandomnumber();
                   1651: 	my @instances = @{$dimension{'instances'}};
                   1652: 	# remove disabled instances
                   1653: 	for (my $i=0; $i < $#instances; $i++) {
                   1654: 	    if ($dimension{$instances[$i].'.disabled'}) {
                   1655: 		splice(@instances,$i,1);
                   1656: 		$i--;
                   1657: 	    }
                   1658: 	}
                   1659: 	@instances = &Math::Random::random_permutation(@instances);
                   1660: 	$instance  = $instances[($version-1)%scalar(@instances)];
                   1661: 	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
                   1662: 	    $instance;
1.79      albertel 1663: 	$Apache::lonhomework::results{'INTERNAL_store'} = 1; 
1.75      albertel 1664: 	&Apache::response::poprandomnumber();
                   1665: 	return $instance;
                   1666:     }
1.13      albertel 1667: }
                   1668: 
1.18      albertel 1669: {
                   1670:     my $last_link;
1.122     albertel 1671:     sub link {
                   1672: 	my ($instance,$id) = @_;
                   1673: 	return 'LC_GRADING_criteria_'.$instance.'_'.$id;
                   1674:     }
1.18      albertel 1675:     sub end_Dimension {
                   1676: 	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.54      albertel 1677: 	my $result=&Apache::lonxml::endredirection();
1.25      albertel 1678: 	my $dim=&get_id($parstack,$safeeval);
1.75      albertel 1679: 	my $instance=&get_instance($dim);
1.25      albertel 1680: 	my $version=&get_version();
1.18      albertel 1681: 	if ($target eq 'web') {
1.47      albertel 1682: 	    @Apache::scripttag::parser_env = @_;
                   1683: 	    $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1.76      albertel 1684: 	    my @instances = $instance;
                   1685: 	    if (&Apache::response::showallfoils()) {
                   1686: 		@instances = @{$dimension{'instances'}};
                   1687: 	    }
                   1688: 	    foreach my $instance (@instances) {
                   1689: 		@Apache::scripttag::parser_env = @_;
                   1690: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.89      albertel 1691: 		if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
                   1692: 		    $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
1.76      albertel 1693: 
1.89      albertel 1694: 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
1.76      albertel 1695: 		    my $mandatory='Mandatory';
                   1696: 		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
                   1697: 			$mandatory='Optional';
                   1698: 		    }
1.116     albertel 1699: 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
1.76      albertel 1700: 		    if ($dim_status eq 'pass') {
                   1701: 			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1.54      albertel 1702: 		    }
1.76      albertel 1703: 		    if ($dim_status eq 'fail') {
                   1704: 			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1.53      albertel 1705: 		    }
1.76      albertel 1706: 		    my $man_count=0;
                   1707: 		    my $man_passed=0;
                   1708: 		    my $opt_count=0;
                   1709: 		    my $opt_passed=0;
                   1710: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
                   1711: 			if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
                   1712: 			    eq 'N') {
                   1713: 			    $opt_count++;
1.89      albertel 1714: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1715: 				$opt_passed++;
                   1716: 			    }
                   1717: 			} else {
                   1718: 			    $man_count++;
1.89      albertel 1719: 			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
1.76      albertel 1720: 				$man_passed++;
                   1721: 			    }
                   1722: 			}
1.22      albertel 1723: 		    }
1.76      albertel 1724: 		    if ($man_passed eq $man_count) { $man_passed='all'; }
                   1725: 		    my $opt_req=$dimension{$instance.'.optionalrequired'};
                   1726: 		    if ($opt_req !~ /\S/) { $opt_req='0'; }
                   1727: 		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
                   1728: 
                   1729: 		    my $internal_location=&internal_location($dim);
                   1730: 		    $result=~s/\Q$internal_location\E/$dim_info/;
                   1731: 
                   1732: 		    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.89      albertel 1733: 			my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
                   1734: 			my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
1.76      albertel 1735: 			my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1736: 			if ($mandatory) {
                   1737: 			    $mandatory='Mandatory';
                   1738: 			} else {
                   1739: 			    $mandatory='Optional';
                   1740: 			}
                   1741: 			if ($status eq 'fail') {
                   1742: 			} elsif ($status eq 'pass') {
                   1743: 			} else {
                   1744: 			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
                   1745: 			}
                   1746: 			my $status_display=$status;
                   1747: 			$status_display=~s/^([a-z])/uc($1)/e;
                   1748: 			@Apache::scripttag::parser_env = @_;
1.116     albertel 1749: 			$result.=
                   1750: 			    '<div class="LC_'.$status.' LC_criteria"><h4>'
                   1751: 			    .$mandatory.' Criteria</h4><p>';
1.76      albertel 1752: 			@Apache::scripttag::parser_env = @_;
                   1753: 			$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.116     albertel 1754: 			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
1.89      albertel 1755: 			if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
1.116     albertel 1756: 			    $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
1.76      albertel 1757: 			}
                   1758: 			$result.='</div>';
1.22      albertel 1759: 		    }
                   1760: 		}
                   1761: 	    }
1.18      albertel 1762: 	} elsif ($target eq 'webgrade') {
1.47      albertel 1763: 	    # in case of any side effects that we need
                   1764: 	    @Apache::scripttag::parser_env = @_;
                   1765: 	    &Apache::scripttag::xmlparse($dimension{'intro'});
                   1766: 	    @Apache::scripttag::parser_env = @_;
                   1767: 	    &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1.18      albertel 1768: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1769: 		my $link=&link($instance,$id);
1.89      albertel 1770: 		my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
1.120     albertel 1771: 		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
1.136     albertel 1772: 		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
1.47      albertel 1773: 		@Apache::scripttag::parser_env = @_;
                   1774: 		$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1.111     albertel 1775: 		$result.='</div>'."\n".
1.18      albertel 1776: 		    #$dimension{$instance.'.criteria.'.$id}.
1.120     albertel 1777: 		    '<div class="LC_GRADING_grade">'."\n".
                   1778: 		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
                   1779: 		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
                   1780: 		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
                   1781: 		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
1.111     albertel 1782: 		    '</div>'."\n".
1.120     albertel 1783: 		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
                   1784: 		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
1.111     albertel 1785: 		    '</label>'."\n".
1.120     albertel 1786: 		    '<ul class="LC_GRADING_navbuttons">'."\n".
1.111     albertel 1787: 		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
                   1788: 		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
                   1789: 		    '</ul>'."\n".
                   1790:                     '</div>'."\n";
1.113     albertel 1791: 		$result.=&grading_history($version,$dim,$instance,$id);
1.18      albertel 1792: 		$last_link=$link;
                   1793: 	    }
1.22      albertel 1794: 	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1.19      albertel 1795: 	    my $optional_passed=0;
1.20      albertel 1796: 	    my $mandatory_failed=0;
                   1797: 	    my $ungraded=0;
                   1798: 	    my $review=0;
1.19      albertel 1799: 	    foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1.122     albertel 1800: 		my $link=&link($instance,$id);
                   1801: 		my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};
                   1802: 		$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
1.20      albertel 1803: 		my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
                   1804: 		if ($status eq 'pass') {
                   1805: 		    if (!$mandatory) { $optional_passed++; }
                   1806: 		} elsif ($status eq 'fail') {
                   1807: 		    if ($mandatory) { $mandatory_failed++; }
1.21      albertel 1808: 		} elsif ($status eq 'review') {
                   1809: 		    $review++;
1.20      albertel 1810: 		} elsif ($status eq 'ungraded') {
                   1811: 		    $ungraded++;
1.21      albertel 1812: 		} else {
1.47      albertel 1813: 		    $ungraded++;
1.19      albertel 1814: 		}
                   1815: 	    }
1.20      albertel 1816: 	    if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
                   1817: 		$mandatory_failed++;
                   1818: 	    }
1.21      albertel 1819: 	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1.20      albertel 1820: 	    if ($review) {
1.89      albertel 1821: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1822: 		    'review';
1.20      albertel 1823: 	    } elsif ($ungraded) {
1.89      albertel 1824: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1825: 		    'ungraded';
1.20      albertel 1826: 	    } elsif ($mandatory_failed) {
1.89      albertel 1827: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1828: 		    'fail';
1.20      albertel 1829: 	    } else {
1.91      albertel 1830: 		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
1.22      albertel 1831: 		    'pass';
1.20      albertel 1832: 	    }
1.69      albertel 1833: 	} else {
                   1834: 	    # any other targets no output
                   1835: 	    undef($result);
1.13      albertel 1836: 	}
1.18      albertel 1837: 	return $result;
1.1       albertel 1838:     }
                   1839: }
                   1840: 
1.113     albertel 1841: sub grading_history {
                   1842:     my ($version,$dim,$instance,$criteria) = @_;
                   1843:     if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
                   1844: 	return '';
                   1845:     }
                   1846:     my ($result,$grader);
                   1847:     my $scope="resource.$version.0.$dim.$instance.$criteria";
                   1848:     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
                   1849: 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
                   1850: 	    my ($gname,$gdom) = 
1.138     albertel 1851: 		split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
1.113     albertel 1852: 	    my $fullname = &Apache::loncommon::plainname($gname,$gdom);
                   1853: 	    $grader = &Apache::loncommon::aboutmewrapper($fullname,
                   1854: 							 $gname,$gdom);
                   1855: 	}
                   1856: 	my $entry;
                   1857: 	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
                   1858: 	    $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
                   1859: 	}
                   1860: 	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
                   1861: 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
                   1862: 	}
                   1863: 	if ($entry) {
                   1864: 	    $result.= "<li>$grader : $entry </li>";
                   1865: 	}
                   1866:     }
                   1867:     if ($result) {
1.120     albertel 1868: 	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
1.113     albertel 1869:     }
                   1870:     return '';
                   1871: }
                   1872: 
1.1       albertel 1873: sub start_IntroParagraph {
1.87      albertel 1874:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.1       albertel 1875:     my $result;
1.13      albertel 1876:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1877: 	if ($tagstack->[-2] eq 'Dimension') {
1.87      albertel 1878: 	    $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
1.47      albertel 1879: 	
1.128     albertel 1880: 	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1881: 	    &Apache::lonxml::startredirection();
1.1       albertel 1882: 	}
1.47      albertel 1883: 	
1.1       albertel 1884:     }
                   1885:     return $result;
                   1886: }
                   1887: 
                   1888: sub end_IntroParagraph {
1.127     albertel 1889:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.128     albertel 1890:     if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
1.127     albertel 1891: 	my $result = &Apache::lonxml::endredirection();
                   1892:     }
1.1       albertel 1893: }
                   1894: 
                   1895: sub start_Instance {
                   1896:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel 1897:     my $id=&get_id($parstack,$safeeval);
                   1898:     push(@{$dimension{'instances'}},$id);
                   1899:     push(@Apache::bridgetask::instance,$id);
                   1900:     push(@Apache::bridgetask::instancelist,$id);
1.20      albertel 1901:     $dimension{$id.'.optionalrequired'}=
1.19      albertel 1902: 	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1.75      albertel 1903:     my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
                   1904:     if (lc($disabled) eq 'yes') {
                   1905: 	$dimension{$id.'.disabled'}='1';
                   1906:     }
1.1       albertel 1907:     return '';
                   1908: }
                   1909: 
                   1910: sub end_Instance {
                   1911: }
                   1912: 
                   1913: sub start_InstanceText {
1.87      albertel 1914:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.47      albertel 1915:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1916:     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
1.13      albertel 1917:     if ($target eq 'web' || $target eq 'webgrade') {
1.47      albertel 1918: 	$dimension{$instance_id.'.text'}=$text;
1.1       albertel 1919:     }
                   1920:     return '';
                   1921: }
                   1922: 
                   1923: sub end_InstanceText {
                   1924:     return '';
                   1925: }
                   1926: 
                   1927: sub start_Criteria {
1.87      albertel 1928:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.9       albertel 1929:     my $instance_id=$Apache::bridgetask::instance[-1];
1.87      albertel 1930:     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
1.21      albertel 1931:     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1.19      albertel 1932: 	my $id=&get_id($parstack,$safeeval);
1.1       albertel 1933: 	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
1.19      albertel 1934: 	$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
                   1935: 	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1.1       albertel 1936: 	push(@{$dimension{$instance_id.'.criterias'}},$id);
                   1937:     }
                   1938:     return '';
                   1939: }
                   1940: 
1.47      albertel 1941: sub end_Criteria {
                   1942: }
                   1943: 
1.4       albertel 1944: sub proctor_validation_screen {
                   1945:     my ($slot) = @_;
                   1946:     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1.5       albertel 1947:     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1.44      albertel 1948:     my $name=&Apache::loncommon::plainname($user,$domain);
                   1949:     
1.4       albertel 1950:     my $msg;
1.11      albertel 1951:     if ($env{'form.proctorpassword'}) {
1.4       albertel 1952: 	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
                   1953: 	    .'</font></p>';
                   1954:     }
1.47      albertel 1955:     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1.4       albertel 1956:     my $result= (<<ENDCHECKOUT);
                   1957: <h2>Proctor Validation</h2>
                   1958:     <p>Your room's proctor needs to validate your access to this resource.</p>
                   1959:     $msg
1.115     albertel 1960: <form name="checkout" method="post" action="$env{'request.uri'}">
1.4       albertel 1961: <input type="hidden" name="validate" value="yes" />
                   1962: <input type="hidden" name="submitted" value="yes" />
                   1963: <table>
1.44      albertel 1964:   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1.4       albertel 1965:   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1.46      albertel 1966:   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1.4       albertel 1967: </table>
                   1968: <input type="submit" name="checkoutbutton" value="Validate"  /><br />
1.44      albertel 1969: <table border="1">
                   1970:   <tr><td>
                   1971:     <table>
                   1972:       <tr><td colspan="2">Student who should be logged in is:</td></tr>
                   1973:       <tr><td>Name:</td><td>$name</td></tr>
1.45      albertel 1974:       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1.138     albertel 1975:       <tr><td>Usename</td><td>$user:$domain</td></tr>
1.44      albertel 1976:       <tr><td colspan="2"><img src="$url" /></td></tr>
                   1977:     </table>
                   1978:   </tr></td>
                   1979: </table>
1.4       albertel 1980: </form>
                   1981: ENDCHECKOUT
                   1982:     return $result;
                   1983: }
                   1984: 
1.1       albertel 1985: 1;
                   1986: __END__

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