loncom/homework/bridgetask.pm - view

File: [LON-CAPA] / loncom / homework / bridgetask.pm
Revision 1.47: download - view: text, annotated - select for diffs
Wed Sep 14 18:25:40 2005 UTC (19 years, 6 months ago) by albertel
Branches: MAIN
CVS tags: HEAD

- <script> and <display> run during target 'webgrade'
- now delays evaluation of the <InstanceText> of an instance until after we have picked which one to do, and only evaluates that one.
- invalid status submissions are now counted as 'ungraded' rather than correct

# The LearningOnline Network with CAPA # definition of tags that give a structure to a document # # $Id: bridgetask.pm,v 1.47 2005/09/14 18:25:40 albertel Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # ### package Apache::bridgetask; use strict; use Apache::lonnet; use Apache::File(); use Apache::lonmenu; use Apache::lonlocal; use Apache::lonxml; use Apache::slotrequest(); use Time::HiRes qw( gettimeofday tv_interval ); BEGIN { &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph')); } sub initialize_bridgetask { # id of current Dimension, 0 means that no dimension is current # (inside <Task> only) $Apache::bridgetask::dimension=''; # list of all Dimension ids seen @Apache::bridgetask::dimensionlist=(); # mandatory attribute of all Dimensions seen %Apache::bridgetask::dimensionmandatory=(); # list of all current Instance ids @Apache::bridgetask::instance=(); # list of all Instance ids seen in this problem @Apache::bridgetask::instancelist=(); # key of queud user data that we are currently grading $Apache::bridgetask::queue_key=''; } sub proctor_check_auth { my ($slot_name,$slot)=@_; my $user=$env{'form.proctorname'}; my $domain=$env{'form.proctordomain'}; my @allowed=split(",",$slot->{'proctor'}); foreach my $possible (@allowed) { my ($puser,$pdom)=(split('@',$possible)); if ($puser eq $user && $pdom eq $domain) { my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom); if ($authhost ne 'no_host') { my $version= $Apache::lonhomework::results{'resource.version'}= ++$Apache::lonhomework::history{'resource.version'}; $Apache::lonhomework::results{"resource.$version.checkedin"}= $user.'@'.$domain; $Apache::lonhomework::results{"resource.$version.checkedin.slot"}= $slot_name; foreach my $key (keys(%Apache::lonhomework::history)) { if ($key=~/^resource\.0\./) { $Apache::lonhomework::results{$key}=''; } } return 1; } } } return 0; } sub get_version { my ($version,$previous); if ($env{'form.previousversion'} && $env{'form.previousversion'} ne 'current' && defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) { $version=$env{'form.previousversion'}; $previous=1; } else { $version=$Apache::lonhomework::history{'resource.version'}; $previous=0; } if (wantarray) { return ($version,$previous); } return $version; } sub add_previous_version_button { my ($status)=@_; my $result; if ($Apache::lonhomework::history{'resource.version'} eq '') { return ''; } if ($Apache::lonhomework::history{'resource.version'} < 2 && $status ne 'NEEDS_CHECKIN') { return ''; } my $version=&get_version(); if ($env{'form.previousversion'} ne '' && $env{'form.previousversion'} eq $version) { $result.="<h3>".&mt("Showing previous version [_1]",$version). "</h3>\n"; } my @to_show; foreach my $test_version (1..$Apache::lonhomework::history{'resource.version'}) { if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.status'})) { push(@to_show,$test_version); } } my $list='<option>'. join("</option>\n<option>",@to_show). "</option>\n"; $list.='<option value="current">'.&mt('Current').'</option>'; $result.='<form name="getprevious" method="POST" action="'; my $uri=$env{'request.uri'}; if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); } $result.=$uri.'">'. &mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion"> <option>'.&mt('Pick one').'</option> '.$list.' </select>')."</form>"; return $result; } sub add_grading_button { my $result=' <input type="submit" name="gradeasubmission" value="'. &mt("Get a submission to grade").'" />'; $result.='<input type="hidden" name="grade_target" value="webgrade" />'; if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) { my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue'); $result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks); $result.=' <input type="submit" name="reviewagrading" value="'. &mt("Select an entry from the grading queue").'" /> </p>'."\n"; ($entries,$ready,$locks)=&get_queue_counts('reviewqueue'); $result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks); $result.=' <input type="submit" name="reviewasubmission" value="'. &mt("Select an entry from the review queue").'" /> </p>'."\n"; } return $result; } sub add_request_another_attempt_button { my ($text)=@_; if (!$text) { $text="Request another attempt"; } my $result; my $symb=&Apache::lonnet::symbread(); my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb); my $action='get_reservation'; if ($slot_name) { $text="Change reservation."; $action='change_reservation'; my $description=&Apache::slotrequest::get_description($slot_name, $slot); $result.=(<<STUFF); <p> Will be next available: $description </p> STUFF } if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); } $symb=&Apache::lonnet::escape($symb); $result.='<form method="POST" action="/adm/slotrequest">'. '<input type="hidden" name="symb" value="'.$symb.'" />'. '<input type="hidden" name="command" value="'.$action.'" />'. '<input type="submit" name="requestattempt" value="'. &mt($text).'" />'. '</form>'; return $result; } sub preserve_grade_info { my $result; # if we are viewing someone else preserve that info if (defined $env{'form.grade_symb'}) { foreach my $field ('symb','courseid','domain','username') { $result .= '<input type="hidden" name="grade_'.$field. '" value="'.$env{"form.grade_$field"}.'" />'."\n"; } } return $result; } sub start_Task { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my ($status,$accessmsg,$slot); if ($target ne 'webgrade') { &Apache::structuretags::initialize_storage(); &Apache::lonhomework::showhash(%Apache::lonhomework::history); } $Apache::lonhomework::parsing_a_task=1; #should get back a <html> or the neccesary stuff to start XML/MathML my ($result,$head_tag_start,$body_tag_start,$form_tag_start)= &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval); if ($target eq 'web') { if ($Apache::lonhomework::modifygrades) { $body_tag_start.='<form name="gradesubmission" method="POST" action="'; my $uri=$env{'request.uri'}; if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); } $body_tag_start.=$uri.'">'.&add_grading_button()."</form>"; my $symb=&Apache::lonnet::symbread(); if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) { $body_tag_start.='<form method="POST" action="/adm/slotrequest">'. '<input type="hidden" name="symb" value="'.$symb.'" />'. '<input type="hidden" name="command" value="showslots" />'. '<input type="submit" name="requestattempt" value="'. &mt('Show Slot list').'" />'. '</form>'; } } } if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' || $target eq 'tex') { my ($version,$previous)=&get_version(); ($status,$accessmsg,my $slot_name,$slot) = &Apache::lonhomework::check_task_access('0'); push(@Apache::inputtags::status,$status); $Apache::inputtags::slot_name=$slot_name; my $expression='$external::datestatus="'.$status.'";'; $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.solved"}.'";'; &Apache::run::run($expression,$safeeval); &Apache::lonxml::debug("Got $status"); $body_tag_start.=&add_previous_version_button($status); if (!$previous && ( ( $status eq 'CLOSED' ) || ( $status eq 'BANNED') || ( $status eq 'UNAVAILABLE') || ( $status eq 'NOT_IN_A_SLOT') || ( $status eq 'NEEDS_CHECKIN') || ( $status eq 'WAITING_FOR_GRADE') || ( $status eq 'INVALID_ACCESS') )) { my $bodytext=&Apache::lonxml::get_all_text("/task",$parser); if ( $target eq "web" ) { $result.= $head_tag_start.'</head>'.$body_tag_start; my $msg; if ($status eq 'UNAVAILABLE') { $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>'; } elsif ($status eq 'NOT_IN_A_SLOT') { $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>'; $msg.=&add_request_another_attempt_button("Sign up for time to work."); } elsif ($status eq 'NEEDS_CHECKIN') { $msg.='<h1>'.&mt('You need the Proctor to validate you.'). '</h1>'.&proctor_validation_screen($slot); } elsif ($status eq 'WAITING_FOR_GRADE') { $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>'; } elsif ($status ne 'NOT_YET_VIEWED') { $msg.='<h1>'.&mt('Not open to be viewed').'</h1>'; } if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') { $msg.='The problem '.$accessmsg; } $result.=$msg.'<br />'; } elsif ($target eq 'tex') { $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm'; if ($status eq 'UNAVAILABLE') { $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm '; } else { $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm "; } } elsif ($target eq 'grade' && !$env{'form.webgrade'}) { if ($status eq 'NEEDS_CHECKIN') { &proctor_check_auth($slot_name,$slot); } } } elsif ($target eq 'web') { my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval); $result.="$head_tag_start<title>$name</title></head> $body_tag_start \n"; my ($version,$previous)=&get_version(); if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') { $result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>'; if (!$previous) { $result.=&add_request_another_attempt_button(); } } if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') { $result.='<h1><font color="green">'.&mt('Passed').'</font></h1>'; } $result.=$form_tag_start. '<input type="hidden" name="submitted" value="yes" />'; $result.=&preserve_grade_info(); } } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) || $target eq 'webgrade') { my $webgrade='yes'; if ($target eq 'webgrade') { $result.=$head_tag_start.$body_tag_start; $result.='<br />Review'.&show_queue('reviewqueue'); $result.='<br />Grade'.&show_queue('gradingqueue'); } # FIXME Blast! still need to reorg this, need to reshow the # queue being reviewed once done with the grade pass... # Hrrm, vaildation pass should perhaps say 'not_locked' # perhaps do a search if there is a key that is mine and if # there isn't reshow the queue.... my ($todo,$status_code)=&get_key_todo($target); &Apache::lonnet::logthis("got todo -$todo- stat -$status_code-"); if ($todo) { &setup_env_for_other_user($todo,$safeeval); my ($symb,$uname,$udom)=&decode_queue_key($todo); $result.="\n".'<table><tr><td>Found '. &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>'; $form_tag_start.= '<input type="hidden" name="gradingkey" value="'. &Apache::lonnet::escape($todo).'" />'; $Apache::bridgetask::queue_key=$todo; &Apache::structuretags::initialize_storage(); &Apache::lonhomework::showhash(%Apache::lonhomework::history); if ($target eq 'webgrade') { $result.='<br />After -'.&show_queue($env{'form.queue'}); $result.="\n".'<table width="100%" style="width:100%" border="1">'; if ($status_code eq 'selected') { $form_tag_start.= '<input type="hidden" name="queuemode" value="selected" />'; } } } else { if ($target eq 'webgrade') { $result.="\n"; if ($status_code eq 'stop') { $result.='<b>'.&mt("Stopped grading.").'</b>'; } elsif ($status_code eq 'lock_failed') { $result.='<b>'.&mt("Failed to lock the request record.").'</b>'; } elsif ($status_code eq 'unlock') { $result.='<b>'.&mt("Unlocked the requested record.").'</b>'; $result.=&show_queue($env{'form.queue'},1); } elsif ($status_code eq 'show_list') { $result.=&show_queue($env{'form.queue'},1); } else { $result.='<b>'.&mt("No user to be graded.").'</b>'; } } $webgrade='no'; my $bodytext=&Apache::lonxml::get_all_text("/task",$parser); } if ($target eq 'webgrade' && defined($env{'form.queue'})) { $result.=$form_tag_start; $result.='<input type="hidden" name="webgrade" value="'. $webgrade.'" />'; $result.='<input type="hidden" name="queue" value="'. $env{'form.queue'}.'" />'; } } else { # page_start returned a starting result, delete it if we don't need it $result = ''; } return $result; } sub get_key_todo { my ($target)=@_; my $todo; if (defined($env{'form.reviewasubmission'})) { &Apache::lonnet::logthis("review a submission...."); $env{'form.queue'}='reviewqueue'; return (undef,'show_list'); } if (defined($env{'form.reviewagrading'})) { &Apache::lonxml::debug("review a grading...."); $env{'form.queue'}='gradingqueue'; return (undef,'show_list'); } my $queue=$env{'form.queue'}; if (!defined($queue)) { $env{'form.queue'}=$queue='gradingqueue'; } my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'}); if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'}) && !defined($env{'form.gradingaction'}) && $env{'form.queuemode'} eq 'selected') { my $who=&queue_key_locked($queue,$gradingkey); my $me=$env{'user.name'}.'@'.$env{'user.domain'}; if ($who eq $me) { &Apache::lonxml::debug("Found a key was given to me"); return ($gradingkey,'selected'); } else { return (undef,'show_list'); } } if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') { if ($env{'form.gradingaction'} eq 'resume') { delete($env{'form.gradingaction'}); &Apache::lonxml::debug("Resuming a key"); return ($gradingkey); } elsif ($env{'form.gradingaction'} eq 'unlock') { &Apache::lonxml::debug("Unlocking a key ". &check_queue_unlock($queue,$gradingkey,1)); return (undef,'unlock'); } elsif ($env{'form.gradingaction'} eq 'select') { &Apache::lonxml::debug("Locking a key"); if (&lock_key($queue,$gradingkey)) { &Apache::lonxml::debug("Success $queue"); return ($gradingkey); } &Apache::lonxml::debug("Failed $queue"); return (undef,'lock_failed'); } } if ($env{'form.queuemode'} ne 'selected') { # don't get something new from the queue if they hit the stop button if (!($env{'form.stop'} && $target eq 'webgrade') && !$env{'form.gradingaction'}) { &Apache::lonxml::debug("Getting anew $queue"); return (&get_from_queue($queue)); } else { return (undef,'stop'); } } return (undef,undef) } sub end_Task { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result=''; my $status=$Apache::inputtags::status['-1']; my ($version,$previous)=&get_version(); if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') { if ( (($target eq 'web') && ($env{'request.state'} ne 'construct')) || ($target eq 'answer') || ($target eq 'tex') ) { if ($target eq 'web') { if ($status eq 'CAN_ANSWER' && !$previous) { $result.="\n".'<table border="1">'. &Apache::inputtags::file_selector("$version.0", "bridgetask","*", 'portfolioonly', ' <h2>'.&mt('Submit Portfolio Files for Grading').'</h2> <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>'). "</table>"; $result.=&Apache::inputtags::gradestatus('0'); } } if ($target eq 'web' || $target eq 'webgrade') { $result.=&Apache::lonxml::xmlend().'</html>'; } } if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) { my $award='SUBMITTED'; &Apache::essayresponse::file_submission("$version.0",'bridgetask', 'portfiles',\$award); if ($award eq 'SUBMITTED' && $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) { $Apache::lonhomework::results{"resource.0.tries"}= $Apache::lonhomework::results{"resource.$version.0.tries"}= 1+$Apache::lonhomework::history{"resource.$version.0.tries"}; $Apache::lonhomework::results{"resource.0.award"}= $Apache::lonhomework::results{"resource.$version.0.award"}= $award; } &Apache::lonhomework::showhash(%Apache::lonhomework::results); &Apache::structuretags::finalize_storage(); if ($award eq 'SUBMITTED') { &add_to_queue('gradingqueue',$Apache::inputtags::slot_name); } } if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') { my $optional_required= &Apache::lonxml::get_param('OptionalRequired',$parstack, $safeeval); my $optional_passed=0; my $mandatory_failed=0; my $ungraded=0; my $review=0; &Apache::lonhomework::showhash(%Apache::lonhomework::results); foreach my $dim_id (@Apache::bridgetask::dimensionlist) { my $status= $Apache::lonhomework::results{"resource.$version.$dim_id.status"}; my $mandatory= ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N'); if ($status eq 'pass') { if (!$mandatory) { $optional_passed++; } } elsif ($status eq 'fail') { if ($mandatory) { $mandatory_failed++; } } elsif ($status eq 'ungraded') { $ungraded++; } elsif ($status eq 'review') { $review++; } } if ($optional_passed < $optional_required) { $mandatory_failed++; } &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review"); $Apache::lonhomework::results{'resource.grader'}= $env{'user.name'}.'@'.$env{'user.domain'}; if ($review) { $Apache::lonhomework::results{"resource.$version.status"}='review'; if ($env{'form.queue'} eq 'reviewqueue') { &check_queue_unlock($env{'form.queue'}); &Apache::lonxml::debug(" still needs review not changing status."); } else { &move_between_queues('gradingqueue','reviewqueue'); } } elsif ($ungraded) { $Apache::lonhomework::results{"resource.$version.status"}='ungraded'; if ($env{'form.queue'} eq 'reviewqueue') { &Apache::lonxml::debug("moving back."); &move_between_queues('reviewqueue','gradingqueue'); } else { &check_queue_unlock($env{'form.queue'}); } } elsif ($mandatory_failed) { $Apache::lonhomework::results{"resource.$version.status"}='fail'; $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override'; $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT'; $Apache::lonhomework::results{"resource.$version.0.awarded"}='0'; &remove_from_queue($env{'form.queue'}); my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser(); $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}= $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"}; &Apache::grades::version_portfiles( \%Apache::lonhomework::results, ["$version.0.bridgetask"],$courseid, $symb,$udom,$uname, ["$version.0.bridgetask"]); } else { $Apache::lonhomework::results{"resource.$version.status"}='pass'; $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override'; $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS'; $Apache::lonhomework::results{"resource.$version.0.awarded"}='1'; &remove_from_queue($env{'form.queue'}); my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser(); $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}= $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"}; &Apache::grades::version_portfiles( \%Apache::lonhomework::results, ["$version.0.bridgetask"],$courseid, $symb,$udom,$uname, ["$version.0.bridgetask"]); } $Apache::lonhomework::results{"resource.status"}= $Apache::lonhomework::results{"resource.$version.status"}; if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) { $Apache::lonhomework::results{"resource.0.award"}= $Apache::lonhomework::results{"resource.$version.award"}; $Apache::lonhomework::results{"resource.0.awarded"}= $Apache::lonhomework::results{"resource.$version.awarded"}; $Apache::lonhomework::results{"resource.0.solved"}= $Apache::lonhomework::results{"resource.$version.solved"}; } &Apache::structuretags::finalize_storage(); } } elsif ($target eq 'webgrade') { $result.="</table>\n<hr />"; #$result.='<input type="submit" name="next" value="'. # &mt('Save & Next').'" /> '; #$result.='<input type="submit" name="end" value="'. # &mt('Save & Stop Grading').'" /> '; #$result.='<input type="submit" name="throwaway" value="'. # &mt('Throw Away & Stop Grading').'" /> '; #$result.='<input type="submit" name="save" value="'. # &mt('Save Partial Grade and Continue Grading').'" /> '; $result.='</form>'.&Apache::loncommon::endbodytag().'</html>'; } elsif ($target eq 'meta') { $result.='<parameter part="0" package="Task"></parameter>'."\n"; #$result.=&Apache::response::meta_part_order(); #$result.=&Apache::response::meta_response_order(); } undef($Apache::lonhomework::parsing_a_task); return $result; } sub move_between_queues { my ($src_queue,$dest_queue)=@_; my $cur_data=&get_queue_data($src_queue); if (!$cur_data) { return 'not_exist'; } my $result=&add_to_queue($dest_queue,$cur_data->[0]); if ($result ne 'ok') { return $result; } &check_queue_unlock($src_queue); return &remove_from_queue($src_queue); } sub check_queue_unlock { my ($queue,$key,$allow_not_me)=@_; my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); if (!defined($key)) { $key="$symb\0queue\0$uname\@$udom"; } my $cnum=$env{'course.'.$cid.'.num'}; my $cdom=$env{'course.'.$cid.'.domain'}; my $me=$env{'user.name'}.'@'.$env{'user.domain'}; my $who=&queue_key_locked($queue,$key,$cdom,$cnum); if ($who eq $me) { return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum); } elsif ($allow_not_me) { &Apache::lonxml::debug("unlocking $who by $me"); return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum); } return 'not_owner'; } sub remove_from_queue { my ($queue)=@_; my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); my $cnum=$env{'course.'.$cid.'.num'}; my $cdom=$env{'course.'.$cid.'.domain'}; my $key="$symb\0queue\0$uname\@$udom"; my @keys=($key,"$key\0locked"); return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum); } sub setup_env_for_other_user { my ($queue_key,$safeeval)=@_; my ($symb,$uname,$udom)=&decode_queue_key($queue_key); &Apache::lonxml::debug("setup_env for $queue_key"); $env{'form.grade_symb'}=$symb; $env{'form.grade_domain'}=$udom; $env{'form.grade_username'}=$uname; $env{'form.grade_courseid'}=$env{'request.course.id'}; &Apache::lonxml::initialize_rndseed($safeeval); } sub get_queue_data { my ($queue)=@_; my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); my $cnum=$env{'course.'.$cid.'.num'}; my $cdom=$env{'course.'.$cid.'.domain'}; my $todo="$symb\0queue\0$uname\@$udom"; my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum); if ($key eq $todo && ref($value)) { return $value; } return undef; } sub add_to_queue { my ($queue,$slot_name)=@_; my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); my $cnum=$env{'course.'.$cid.'.num'}; my $cdom=$env{'course.'.$cid.'.domain'}; my %data; $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name]; return &Apache::lonnet::put($queue,\%data,$cdom,$cnum); } sub show_queue { my ($queue,$with_selects)=@_; my $result; my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); my $cnum=$env{'course.'.$cid.'.num'}; my $cdom=$env{'course.'.$cid.'.domain'}; my $regexp="^$symb\0"; my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp); my ($tmp)=%queue; if ($tmp=~/^error: 2 /) { return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>"; } $result.="\n<h3>Current Queue - $queue </h3><table border='1'><tr>"; if ($with_selects) { $result.="<th></th>"; } $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>"; foreach my $key (sort(keys(%queue))) { if ($key=~/locked$/ && !$with_selects) { my ($symb,$uname,$udom) = &decode_queue_key($key); my $title=&Apache::lonnet::gettitle($symb); $result.="<tr><td>$title</td><td>$uname</td>"; $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>'; } elsif ($key=~/timestamp$/ && !$with_selects) { my ($symb,undef) = split("\0",$key); my $title=&Apache::lonnet::gettitle($symb); $result.="<tr><td>$title</td><td></td>"; $result.='<td>last queue modification time</td><td>'. &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>"; } elsif ($key!~/(timestamp|locked)$/) { my ($symb,$uname,$udom) = &decode_queue_key($key); my $title=&Apache::lonnet::gettitle($symb); $result.="<tr>"; my $slot=$queue{$key}->[0]; my %slot_data=&Apache::lonnet::get_slot($slot); if ($with_selects) { my $ekey=&Apache::lonnet::escape($key); my ($action,$description)=('select',&mt('Select')); if (exists($queue{"$key\0locked"})) { my $me=$env{'user.name'}.'@'.$env{'user.domain'}; if ($me eq $queue{"$key\0locked"}) { ($action,$description)=('resume',&mt('Resume')); } else { ($action,$description)=('unlock',&mt('Unlock')); } } if (time > $slot_data{'endtime'}) { $result.=(<<FORM); <td> <form method="POST"> <input type="hidden" name="gradingkey" value="$ekey" /> <input type="hidden" name="queue" value="$queue" /> <input type="hidden" name="gradingaction" value="$action" /> <input type="hidden" name="webgrade" value="no" /> <input type="hidden" name="queuemode" value="selected" /> <input type="submit" name="submit" value="$description" /> </form> </td> FORM } else { $result.='<td>'.&mt("In Progress").'</td>' } } $result.="<td>$title</td><td>$uname</td>"; $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '. &Apache::lonlocal::locallocaltime($slot_data{'endtime'}). "</td></tr>"; } } $result.="</table><hr />\n"; return $result; } sub get_queue_counts { my ($queue)=@_; my $result; my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); my $cnum=$env{'course.'.$cid.'.num'}; my $cdom=$env{'course.'.$cid.'.domain'}; my $regexp="^$symb\0"; my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp); my ($tmp)=%queue; if ($tmp=~/^error: 2 /) { return (0,0,0); } my ($entries,$ready_to_grade,$locks)=(0,0,0); foreach my $key (sort(keys(%queue))) { if ($key=~/locked$/) { $locks++; } elsif ($key=~/timestamp$/) { #ignore } elsif ($key!~/(timestamp|locked)$/) { my ($symb,$uname,$udom) = &decode_queue_key($key); $entries++; my $slot=$queue{$key}->[0]; my %slot_data=&Apache::lonnet::get_slot($slot); if (time > $slot_data{'endtime'}) { $ready_to_grade++; } } } return ($entries,$ready_to_grade,$locks); } sub decode_queue_key { my ($key)=@_; my ($symb,undef,$user) = split("\0",$key); my ($uname,$udom) = split('@',$user); return ($symb,$uname,$udom); } sub queue_key_locked { my ($queue,$key,$cdom,$cnum)=@_; if (!defined($cdom) || !defined($cnum)) { my (undef,$cid)=&Apache::lonxml::whichuser(); $cnum=$env{'course.'.$cid.'.num'}; $cdom=$env{'course.'.$cid.'.domain'}; } my ($key_locked,$value)= &Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum); if ($key_locked eq "$key\0locked") { return $value; } return undef; } sub pick_from_queue_data { my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_; foreach my $key (keys(%$queuedata)) { my ($symb,$uname,$udom)=&decode_queue_key($key); if ($check_section) { my $section=&Apache::lonnet::getsection($uname,$udom); if ($section eq $check_section) { &Apache::lonxml::debug("my sec"); next; } } my $slot=$queuedata->{$key}[0]; my %slot_data=&Apache::lonnet::get_slot($slot); if ($slot_data{'endtime'} > time) { &Apache::lonxml::debug("not time"); next; } if (&queue_key_locked($queue,$key,$cdom,$cnum)) { &Apache::lonxml::debug("someone already has um."); next; } return $key; } return undef; } sub find_mid_grade { my ($queue,$symb,$cdom,$cnum)=@_; my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'}); my $me=$env{'user.name'}.'@'.$env{'user.domain'}; if ($todo) { my $who=&queue_key_locked($queue,$todo,$cdom,$cnum); if ($who eq $me) { return $todo; } } my $regexp="^$symb\0.*\0locked\$"; my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp); foreach my $key (keys(%locks)) { my $who=$locks{$key}; if ($who eq $me) { $todo=$key; $todo=~s/\0locked$//; return $todo; } } return undef; } sub lock_key { my ($queue,$todo)=@_; my $me=$env{'user.name'}.'@'.$env{'user.domain'}; my (undef,$cid)=&Apache::lonxml::whichuser(); my $cnum=$env{'course.'.$cid.'.num'}; my $cdom=$env{'course.'.$cid.'.domain'}; my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me}, $cdom,$cnum); &Apache::lonxml::debug("success $success $todo"); if ($success eq 'ok') { return 1; } return 0; } sub get_from_queue { my ($queue)=@_; my $result; my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser(); my $cnum=$env{'course.'.$cid.'.num'}; my $cdom=$env{'course.'.$cid.'.domain'}; my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum); &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo))); if ($todo) { return $todo; } while (1) { my $starttime=time; &Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime}, $cdom,$cnum); &Apache::lonxml::debug("$starttime"); my $regexp="^$symb\0queue\0"; my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp); #make a pass looking for a user _not_ in my section if ($env{'request.course.sec'}) { &Apache::lonxml::debug("sce"); $todo=&pick_from_queue_data($queue,$env{'request.course.sec'}, \%queue,$cdom,$cnum); &Apache::lonxml::debug("sce $todo"); } # no one _not_ in our section so look for any user that is # ready for grading if (!$todo) { &Apache::lonxml::debug("no sce"); $todo=&pick_from_queue_data($queue,$env{'request.course.sec'}, \%queue,$cdom,$cnum); &Apache::lonxml::debug("no sce $todo"); } # no user to grade if (!$todo) { last; } &Apache::lonxml::debug("got $todo"); # otherwise found someone so lets try to lock them # unless someone else already picked them if (!&lock_key($queue,$todo)) { next; } my (undef,$endtime)= &Apache::lonnet::get($queue,["$symb\0timestamp"], $cdom,$cnum); &Apache::lonxml::debug("emd $endtime"); # someone else already modified the queue, # perhaps our picked user wass already fully graded between # when we picked him and when we locked his record? so lets # double check. if ($endtime != $starttime) { my ($key,$value)= &Apache::lonnet::get($queue,["$todo"], $cdom,$cnum); &Apache::lonxml::debug("check $key .. $value"); if ($key eq $todo && ref($value)) { } else { &Apache::lonnet::del($queue,["$todo\0locked"], $cdom,$cnum); &Apache::lonxml::debug("del"); next; } } &Apache::lonxml::debug("last $todo"); last; } return $todo; } sub start_ClosingParagraph { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; if ($target eq 'web') { } elsif ($target eq 'webgrade') { &Apache::lonxml::startredirection(); } return $result; } sub end_ClosingParagraph { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; if ($target eq 'web') { } elsif ($target eq 'webgrade') { &Apache::lonxml::endredirection(); } return $result; } sub get_id { my ($parstack,$safeeval)=@_; my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval); if (!$id) { $id=$Apache::lonxml::curdepth; } return $id; } my %dimension; sub start_Dimension { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; undef(%dimension); my $dim_id=&get_id($parstack,$safeeval); $Apache::bridgetask::dimension=$dim_id; push(@Apache::bridgetask::dimensionlist,$dim_id); undef(@Apache::bridgetask::instance); $Apache::bridgetask::dimensionmandatory{$dim_id}= &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval); return ''; } sub get_instance { &Apache::response::pushrandomnumber(); my @order=&Math::Random::random_permutation(@{$dimension{'instances'}}); my $num=@order; my $version=&get_version(); my $which=($version-1)%$num; return $order[$which]; } { my $last_link; sub end_Dimension { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; my $dim=&get_id($parstack,$safeeval); my $instance=&get_instance(); my $version=&get_version(); if ($target eq 'web') { @Apache::scripttag::parser_env = @_; $result.=&Apache::scripttag::xmlparse($dimension{'intro'}); @Apache::scripttag::parser_env = @_; $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'}); if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' || $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') { foreach my $id (@{$dimension{$instance.'.criterias'}}) { my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"}; my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}; $result.='<table border="1"><tr><td>'; if ($status eq 'fail') { $result.='<font color="red">'.&mt('Did not pass').'</font>'; } elsif ($status eq 'pass') { $result.='<font color="green">'.&mt('Passed').'</font>'; } else { &Apache::lonxml::error("Student viewing a graded bridgetask was show a status of $status"); } $result.='</td></tr><tr><td>'; if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) { $result.=&mt('Comment from grader: ').$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</td></tr><tr><td>'; } $result.=$dimension{$instance.'.criteria.'.$id}. '</td></tr></table>'; } } } elsif ($target eq 'webgrade') { # in case of any side effects that we need @Apache::scripttag::parser_env = @_; &Apache::scripttag::xmlparse($dimension{'intro'}); @Apache::scripttag::parser_env = @_; &Apache::scripttag::xmlparse($dimension{$instance.'.text'}); foreach my $id (@{$dimension{$instance.'.criterias'}}) { my $link='criteria_'.$instance.'_'.$id; my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"}; $result.='<tr><td width="100%" valign="top">'. '<a name="'.$link.'" />'. '<a name="next_'.$last_link.'" />'. '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">'; @Apache::scripttag::parser_env = @_; $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id}); $result.='</textarea>'. #$dimension{$instance.'.criteria.'.$id}. '</td>'. '<td><nobr>Additional Comment for Student</nobr> <br />'. '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'. '</td>'. '<td>'. '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'. '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'. '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'. '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'. '</td>'. '<td>'. '<a href="#'.$last_link.'">Prev</a><br />'. '<a href="#next_'.$link.'">Next</a><br /><br /><br />'. '<input type="submit" name="next" value="'. &mt('Done').'" /> '. '<input type="submit" name="stop" value="'. &mt('Stop').'" /> '. '</td></tr>'; $result.='<tr><td colspan="4">'; my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser(); my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio'; foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) { my $file=$file_url.$partial_file; &Apache::lonnet::allowuploaded('/adm/bridgetask',$file); $result.='<a href="'.$file.'" target="lonGRDs"><img src="'. &Apache::loncommon::icon($file).'" border=0"> '.$file. '</a>'; } $result.='</td></tr>'; $last_link=$link; } } elsif ($target eq 'grade' && $env{'form.webgrade'}) { my $optional_passed=0; my $mandatory_failed=0; my $ungraded=0; my $review=0; foreach my $id (@{$dimension{$instance.'.criterias'}}) { my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id}; $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id}; my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N'); if ($status eq 'pass') { if (!$mandatory) { $optional_passed++; } } elsif ($status eq 'fail') { if ($mandatory) { $mandatory_failed++; } } elsif ($status eq 'review') { $review++; } elsif ($status eq 'ungraded') { $ungraded++; } else { $ungraded++; } } if ($optional_passed < $dimension{$instance.'.optionalrequired'}) { $mandatory_failed++; } &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review"); if ($review) { $Apache::lonhomework::results{"resource.$version.$dim.status"}= 'review'; } elsif ($ungraded) { $Apache::lonhomework::results{"resource.$version.$dim.status"}= 'ungraded'; } elsif ($mandatory_failed) { $Apache::lonhomework::results{"resource.$version.$dim.status"}= 'fail'; } else { $Apache::lonhomework::results{"resource.$version.$dim.status"}= 'pass'; } } return $result; } } sub start_IntroParagraph { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; if ($target eq 'web' || $target eq 'webgrade') { if ($tagstack->[-2] eq 'Dimension') { $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser); } elsif ($target eq 'webgrade') { &Apache::lonxml::get_all_text('/introparagraph',$parser); } } return $result; } sub end_IntroParagraph { } sub start_Instance { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $id=&get_id($parstack,$safeeval); push(@{$dimension{'instances'}},$id); push(@Apache::bridgetask::instance,$id); push(@Apache::bridgetask::instancelist,$id); $dimension{$id.'.optionalrequired'}= &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval); return ''; } sub end_Instance { } sub start_InstanceText { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $instance_id=$Apache::bridgetask::instance[-1]; my $text=&Apache::lonxml::get_all_text('/instancetext',$parser); if ($target eq 'web' || $target eq 'webgrade') { $dimension{$instance_id.'.text'}=$text; } return ''; } sub end_InstanceText { return ''; } sub start_Criteria { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $instance_id=$Apache::bridgetask::instance[-1]; my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser); if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') { my $id=&get_id($parstack,$safeeval); $dimension{$instance_id.'.criteria.'.$id}=$criteria; $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}= &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval); push(@{$dimension{$instance_id.'.criterias'}},$id); } return ''; } sub end_Criteria { } sub proctor_validation_screen { my ($slot) = @_; my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser(); my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg'); my $name=&Apache::loncommon::plainname($user,$domain); my $msg; if ($env{'form.proctorpassword'}) { $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.") .'</font></p>'; } if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; } my $result= (<<ENDCHECKOUT); <h2>Proctor Validation</h2> <p>Your room's proctor needs to validate your access to this resource.</p> $msg <form name="checkout" method="POST" action="$env{'request.uri'}"> <input type="hidden" name="validate" value="yes" /> <input type="hidden" name="submitted" value="yes" /> <table> <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr> <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr> <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr> </table> <input type="submit" name="checkoutbutton" value="Validate" /><br /> <table border="1"> <tr><td> <table> <tr><td colspan="2">Student who should be logged in is:</td></tr> <tr><td>Name:</td><td>$name</td></tr> <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr> <tr><td>Usename</td><td>$user\@$domain</td></tr> <tr><td colspan="2"><img src="$url" /></td></tr> </table> </tr></td> </table> </form> ENDCHECKOUT return $result; } 1; __END__