# The LearningOnline Network with CAPA
# definition of tags that give a structure to a document
#
# $Id: bridgetask.pm,v 1.194 2006/11/07 19:43:37 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 );
use lib '/home/httpd/lib/perl/';
use LONCAPA;
BEGIN {
&Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','GraderNote','ClosingParagraph'));
}
my %dimension;
my $top = 'top';
sub initialize_bridgetask {
# id of current Dimension, 0 means that no dimension is current
# (inside only)
@Apache::bridgetask::dimension=();
# 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
$Apache::bridgetask::queue_key='';
undef(%dimension);
}
sub proctor_check_auth {
my ($slot_name,$slot,$type)=@_;
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 $authenticated=0;
if ( $slot->{'secret'} =~ /\S/ &&
$env{'form.proctorpassword'} eq $slot->{'secret'} ) {
$authenticated=1;
} else {
my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
if ($authhost ne 'no_host') {
$authenticated=1;
}
}
if ($authenticated) {
&check_in($type,$user,$domain,$slot_name);
return 1;
}
}
}
return 0;
}
sub check_in {
my ($type,$user,$domain,$slot_name) = @_;
my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
if ( $useslots eq 'map_map') {
&check_in_sequence($user,$domain,$slot_name);
} else {
&create_new_version($type,$user,$domain,$slot_name);
}
return 1;
}
sub check_in_sequence {
my ($user,$domain,$slot_name) = @_;
my $navmap = Apache::lonnavmaps::navmap->new();
my ($symb) = &Apache::lonnet::whichuser();
my ($map) = &Apache::lonnet::decode_symb($symb);
my @resources =
$navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
my %old_history = %Apache::lonhomework::history;
my %old_results = %Apache::lonhomework::results;
foreach my $res (@resources) {
&Apache::lonxml::debug("doing ".$res->src);
&Apache::structuretags::initialize_storage($res->symb);
my $type = ($res->is_task()) ? 'Task' : 'problem';
&create_new_version($type,$user,$domain,$slot_name);
&Apache::structuretags::finalize_storage($res->symb);
}
%Apache::lonhomework::history = %old_history;
%Apache::lonhomework::results = %old_results;
}
sub create_new_version {
my ($type,$user,$domain,$slot_name) = @_;
my $id = '0';
if ($type eq 'Task') {
# increment version
my $version=
$Apache::lonhomework::history{'resource.0.version'};
$version++;
&Apache::lonxml::debug("Making version $version");
#clean out all current results
foreach my $key (keys(%Apache::lonhomework::history)) {
if ($key=~/^resource\.0\./) {
$Apache::lonhomework::results{$key}='';
}
}
#setup new version and who did it
$Apache::lonhomework::results{'resource.0.version'}=$version;
$id = "$version.0";
if (!defined($user) || !defined($domain)) {
$user = $env{'user.name'};
$domain = $env{'user.domain'};
}
} elsif ($type eq 'problem') {
&Apache::lonxml::debug("authed $slot_name");
}
if (!defined($user) || !defined($domain)) {
$user = $env{'user.name'};
$domain = $env{'user.domain'};
}
$Apache::lonhomework::results{"resource.$id.checkedin"}=
$user.':'.$domain;
if (defined($slot_name)) {
$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
$slot_name;
}
}
sub get_version {
my ($version,$previous);
if ($env{'form.previousversion'} &&
$env{'form.previousversion'} ne 'current' &&
defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
$version=$env{'form.previousversion'};
$previous=1;
} else {
if (defined($Apache::lonhomework::results{'resource.0.version'})) {
$version=$Apache::lonhomework::results{'resource.0.version'};
} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
$version=$Apache::lonhomework::history{'resource.0.version'};
}
$previous=0;
}
if (wantarray) {
return ($version,$previous);
}
return $version;
}
sub add_previous_version_button {
my ($status)=@_;
my $result;
if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
return '';
}
if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
$status ne 'NEEDS_CHECKIN') {
return '';
}
my $version=&get_version();
if ($env{'form.previousversion'} ne '' &&
$env{'form.previousversion'} eq $version) {
$result.="
".&mt("Showing previous version [_1]",$version).
"
\n";
}
my @to_show;
foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
push(@to_show,$test_version);
}
}
my $list='\n\n";
$list.='';
$result.='";
return $result;
}
sub add_grading_button {
my (undef,$cid)=&Apache::lonnet::whichuser();
my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};
my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
my $size=5;
if (scalar(keys(%sections)) < 3) {
$size=scalar(keys(%sections))+2;
}
my $sec_select = '\n";
my $result=' ';
$result.='';
if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
$result.='
';
$result.='
Specify a section:
'.$sec_select.'
';
$result.='
'.' ';
$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).'
';
}
return $result;
}
sub add_request_another_attempt_button {
my ($text)=@_;
if (!$text) { $text="Request another attempt"; }
my $result;
my $symb=&Apache::lonnet::symbread();
# not a slot access based resource
my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
if ($useslots =~ /^\s*no\s*$/i) {
return '';
}
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.=(< Will be next available: $description
STUFF
}
if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
$symb=&escape($symb);
$result.='';
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 .= ''."\n";
}
}
return $result;
}
sub style {
my ($target) = @_;
if ($target eq 'web'
|| $target eq 'webgrade') {
my $style = (<
STYLE
if ($env{'browser.type'} eq 'explorer'
&& $env{'browser.os'} eq 'win' ) {
if ($env{'browser.version'} < 7) {
$style .= (<
STYLE
} else {
$style .= (<
STYLE
}
}
return $style;
}
return;
}
sub show_task {
my ($status,$previous)=@_;
if (!$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') ||
( $status eq 'INVALID_ACCESS') ||
( &get_version() eq ''))) {
return 0;
}
if ($env{'form.donescreen'}) { return 0; }
return 1;
}
my @delay;
sub nest {
if (@delay) {
return $delay[-1];
} else {
return;
}
}
sub nested_parse {
my ($str,$env,$args) = @_;
my @old_env = @Apache::scripttag::parser_env;
@Apache::scripttag::parser_env = @$env;
if (exists($args->{'set_dim_id'})) {
&enable_dimension_parsing($args->{'set_dim_id'});
}
push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
my $result = &Apache::scripttag::xmlparse($$str);
pop(@delay);
if (exists($args->{'set_dim_id'})) {
&disable_dimension_parsing();
}
@Apache::scripttag::parser_env = @old_env;
if ($args->{'delayed_dim_results'}) {
my $dim = &get_dim_id();
&Apache::lonxml::debug(" tossing out $result ");
&Apache::lonxml::debug(" usining out $dim 's ". $dimension{$dim}{'result'});
return $dimension{$dim}{'result'};
}
return $result;
}
sub internal_location {
my ($id)=@_;
return '';
}
sub submission_time_stamp {
my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
my $submissiontime;
my $version=$Apache::lonhomework::history{'resource.0.version'};
for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
&& defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
$submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
last;
}
}
my $result;
if ($submissiontime) {
my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
my %slot=&Apache::lonnet::get_slot($slot_name);
my $diff = $slot{'endtime'} - $submissiontime;
my ($color,$when)=('#FF6666','after');
if ($diff > 0) { ($color,$when)=('#336600','before'); }
my $info;
$diff = abs($diff);
if ($diff%60) { $info=($diff%60).' seconds'; }
$diff=int($diff/60);
if ($diff%60) { $info=($diff%60).' minutes '.$info; }
$diff=int($diff/60);
if ($diff) { $info=$diff.' hours '.$info; }
$result='
'.
&mt('Student submitted [_1] [_2] the deadline. '.
'(Submission was at [_3], end of period was [_4].)',
$info,$when,
&Apache::lonlocal::locallocaltime($submissiontime),
&Apache::lonlocal::locallocaltime($slot{'endtime'})).
'
';
}
return $result;
}
sub file_list {
my ($files,$uname,$udom) = @_;
if (!defined($uname) || !defined($udom)) {
(undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
}
my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
my $file_list="
\n";
foreach my $partial_file (split(',',$files)) {
my $file=$file_url.$partial_file;
$file=~s|/+|/|g;
&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
$file_list.='
\n";
return $file_list;
}
sub grade_mode {
if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
return 'regrade';
}
return 'queue_grade';
}
sub webgrade_standard_info {
my ($version)=&get_version();
my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
my %lt=('done' => 'Next Item',
'stop' => 'Quit Grading',
'fail' => 'Fail Rest',
'cancel' => 'Cancel',
);
%lt=&Apache::lonlocal::texthash(%lt);
my $result=<
INFO
if (&grade_mode() eq 'regrade') {
$result.=<
INFO
}
$result.=<
$file_list
INFO
return $result;
}
sub done_screen {
my ($version) = @_;
my $title=&Apache::lonnet::gettitle();
my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
my $files = '
';
my $msg;
foreach my $file (@files) {
my $url="/uploaded/$domain/$user/portfolio$file";
if (! &Apache::lonnet::stat_file($url)) {
$file = &mt(' Nonexistent file: '.
'[_1]',$file);
$msg .= "
Submitted non-existant file $file
\n";
} else {
$file = ''.$file.'';
$msg .= "
Submitted file $file
\n";
}
$files .= '
'.$file.'
';
}
$files.='
';
my $subject = "Submission message for $title";
my ($message_status,$comment_status);
my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
$setting =~ s/^\s*(\S*)\s*$/$1/;
$setting = lc($setting);
if ($setting eq 'only_student'
|| $setting eq 'student_and_user_notes_screen') {
$message_status =
&Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
$message_status = '
'.&mt('Message sent to user: [_1]',
$message_status).'
';
if ($status_code eq 'stop') {
$result.=''.&mt("Stopped grading.").''.$back;
} elsif ($status_code eq 'cancel') {
$result.=''.&mt("Cancelled grading.").''.$back;
} elsif ($status_code eq 'never_versioned') {
$result.=''.
&mt("Requested user has never accessed the task.").
''.$back;
} elsif ($status_code =~ /still_open:(.*)/) {
my $date = &Apache::lonlocal::locallocaltime($1);
$result.=''.
&mt("Task is still open, will close at [_1].",$date).
''.$back;
} elsif ($status_code eq 'lock_failed') {
$result.=''.&mt("Failed to lock the requested record.")
.''.$back;
} elsif ($status_code eq 'unlock') {
$result.=''.&mt("Unlocked the requested record.")
.''.$back;
$result.=&show_queue($env{'form.queue'},1);
} elsif ($status_code eq 'show_list') {
$result.=&show_queue($env{'form.queue'},1);
} elsif ($status_code eq 'select_user') {
$result.=&select_user();
} elsif ($status_code eq 'unable') {
$result.=''.&mt("Unable to aqcuire a user to grade.").''.$back;
} elsif ($status_code eq 'not_allowed') {
$result.=''.&mt('Not allowed to grade the requested user.').' '.$msg.''.$back;
} else {
$result.=''.&mt("No user to be graded.").''.$back;
}
}
$webgrade='no';
}
if (!$todo || $env{'form.cancel'}) {
my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
}
if ($target eq 'webgrade' && defined($env{'form.queue'})) {
if ($webgrade eq 'yes') {
$result.=&submission_time_stamp();
}
$result.=$form_tag_start;
$result.='';
$result.='';
if ($env{'form.regrade'}) {
$result.='';
}
if ($env{'form.chosensections'}) {
my @chosen_sections=
&Apache::loncommon::get_env_multiple('form.chosensections');
foreach my $sec (@chosen_sections) {
$result.='';
}
}
if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
}
if ($target eq 'webgrade') {
$result.="\n".'
';
&Apache::lonxml::startredirection();
}
} elsif ($target eq 'edit') {
$result.=$form_tag_start.
&Apache::structuretags::problem_edit_header();
$Apache::lonxml::warnings_error_header=
&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.")." ";
my $temp=&Apache::edit::insertlist($target,$token);
$result.=$temp;
} else {
# page_start returned a starting result, delete it if we don't need it
$result = '';
}
return $result;
}
sub get_task_end_time {
my ($queue_entry,$symb,$udom,$uname) = @_;
my $end_time;
if (my $slot = &slotted_access($queue_entry)) {
my %slot_data=&Apache::lonnet::get_slot($slot);
$end_time = $slot_data{'endtime'};
} else {
$end_time = &Apache::lonhomework::due_date('0',$symb,
$udom,$uname);
}
return $end_time;
}
sub get_key_todo {
my ($target)=@_;
my $todo;
if (defined($env{'form.reviewasubmission'})) {
&Apache::lonxml::debug("review a submission....");
$env{'form.queue'}='reviewqueue';
return (undef,'show_list');
}
if (defined($env{'form.reviewagrading'})) {
&Apache::lonxml::debug("review a grading....");
$env{'form.queue'}='gradingqueue';
return (undef,'show_list');
}
if (defined($env{'form.regradeasubmission'})) {
&Apache::lonxml::debug("regrade a grading....");
$env{'form.queue'}='none';
return (undef,'select_user');
}
my $me=$env{'user.name'}.':'.$env{'user.domain'};
#need to try both queues..
if (defined($env{'form.regradeaspecificsubmission'}) &&
defined($env{'form.gradinguser'}) &&
defined($env{'form.gradingdomain'}) ) {
my ($symb,$cid)=&Apache::lonnet::whichuser();
my $cnum = $env{'course.'.$cid.'.num'};
my $cdom = $env{'course.'.$cid.'.domain'};
my $uname = $env{'form.gradinguser'};
my $udom = $env{'form.gradingdomain'};
my $gradingkey=&encode_queue_key($symb,$udom,$uname);
my $queue;
if (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
$env{'form.queue'} = $queue = 'gradingqueue';
} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
$env{'form.queue'} = $queue = 'reviewqueue';
}
if (!$queue) {
$env{'form.queue'} = $queue = 'none';
#not queued so doing either a re or pre grade
my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
if ($status{'resource.0.version'} < 1) {
return (undef,'never_versioned');
}
return ($gradingkey);
}
if ($queue) {
my $queue_entry = &get_queue_data($queue,$udom,$uname);
my $end_time = &get_task_end_time($queue_entry,$symb,
$udom,$uname);
if ($end_time > time) {
return (undef,"still_open:$end_time");
}
}
my $who=&queue_key_locked($queue,$gradingkey);
if ($who eq $me) {
#already have the lock
$env{'form.gradingkey'}=&escape($gradingkey);
&Apache::lonxml::debug("already locked");
return ($gradingkey);
}
if (!defined($who)) {
if (&lock_key($queue,$gradingkey)) {
&Apache::lonxml::debug("newly locked");
return ($gradingkey);
} else {
return (undef,'lock_failed');
}
}
#otherwise (defined($who) && $who ne $me) some else has it...
return (undef,'not_allowed',
&mt('Another user ([_1]) currently has the record for [_2] locked.',
$who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
}
my $queue=$env{'form.queue'};
if (!defined($queue)) {
$env{'form.queue'}=$queue='gradingqueue';
}
my $gradingkey=&unescape($env{'form.gradingkey'});
if ($env{'form.queue'} eq 'none') {
if (defined($env{'form.gradingkey'})) {
if ($target eq 'webgrade') {
if ($env{'form.stop'}) {
return (undef,'stop');
} elsif ($env{'form.cancel'}) {
return (undef,'cancel');
} elsif ($env{'form.next'}) {
return (undef,'select_user');
}
}
return ($gradingkey,'selected');
} else {
return (undef,'select_user');
}
}
if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
&& !defined($env{'form.gradingaction'})
&& $env{'form.queuemode'} eq 'selected') {
my $who=&queue_key_locked($queue,$gradingkey);
if ($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.cancel'} || $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 minimize_storage {
foreach my $key (keys(%Apache::lonhomework::results)) {
if ($key =~ /regrader$/) { next; }
if ($Apache::lonhomework::results{$key} eq
$Apache::lonhomework::history{$key}) {
delete($Apache::lonhomework::results{$key});
}
}
}
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' || $target eq 'answer' || $target eq 'tex') {
if ($target eq 'web') {
if (&show_task($status,$previous)) {
$result.=&Apache::lonxml::endredirection();
}
if ($status eq 'CAN_ANSWER' && !$previous &&
!$env{'form.donescreen'}) {
$result.="\n".'
'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'
').
"
";
}
if (!$previous && $status ne 'SHOW_ANSWER' &&
&show_task($status,$previous)) {
$result.=&Apache::inputtags::gradestatus('0');
$result.='';
my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
$result.=<
DONEBUTTON
}
if (&show_task($status,$previous) &&
$Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
my $title=&Apache::lonnet::gettitle();
my $start_time;
my $slot_name=
$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
if ($slot_name) {
my %slot=&Apache::lonnet::get_slot($slot_name);
$start_time=$slot{'starttime'}
} else {
$start_time=
&Apache::lonnet::EXT('resource.0.opendate');
}
$start_time=&Apache::lonlocal::locallocaltime($start_time);
my $status = "\n
\n";
if ($bt_status eq 'pass') {
$status.='
You passed the '.$title.' given on '.
$start_time.'
';
}
if ($bt_status eq 'fail') {
$status.='
You did not pass the '.$title.' given on '.
$start_time.'
';
if (!$previous) {
$status.=&add_request_another_attempt_button();
}
}
$status.='
';
my $man_count=0;
my $man_passed=0;
my $opt_count=0;
my $opt_passed=0;
my $dim = $top;
foreach my $id (@{$dimension{$dim}{'criterias'}}) {
my $status = &get_criteria('status',$version,$dim,$id);
if ($dimension{$dim}{'criteria.'.$id.'.mandatory'}
eq 'N') {
$opt_count++;
if ($status eq 'pass') {
$opt_passed++;
}
} else {
$man_count++;
if ($status eq 'pass') { $man_passed++; }
}
}
if ($man_passed eq $man_count) { $man_passed='all'; }
my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
$parstack,$safeeval);
if ($opt_req !~ /\S/) { $opt_req='0'; }
$status.="\n
".&mt('You needed to pass all of the [_1] mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."
\n";
foreach my $id (@{$dimension{$dim}{'criterias'}}) {
my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
if ($type eq 'dimension') {
$result.=$dimension{$id}{'result'};
next;
}
my $criteria =
&nested_parse(\$dimension{$dim}{'criteria.'.$id},
[@_]);
$status .= &layout_web_Criteria($dim,$id,$criteria);
}
my $internal_location=&internal_location();
$result=~s/\Q$internal_location\E/$status/;
}
$result.="\n
\n".
&Apache::loncommon::end_page({'discussion' => 1});
}
}
my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
my %queue_data = ('type' => 'Task',
'time' => time,);
if (defined($Apache::inputtags::slot_name)) {
$queue_data{'slot'} = $Apache::inputtags::slot_name;
} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
$queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
}
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::results{"resource.0.submission"}=
$Apache::lonhomework::results{"resource.$version.0.submission"}='';
} else {
delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
$award = '';
}
&Apache::lonhomework::showhash(%Apache::lonhomework::results);
&Apache::structuretags::finalize_storage();
if ($award eq 'SUBMITTED') {
&add_to_queue('gradingqueue',\%queue_data);
}
}
if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes'
&& exists($env{'form.cancel'})) {
&check_queue_unlock($env{'form.queue'});
&Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes'
&& !exists($env{'form.cancel'})) {
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);
my $dim = $top;
foreach my $id (@{$dimension{$dim}{'criterias'}}) {
my $link=&link($id);
my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
if ($type eq 'criteria') {
# dimensional 'criteria' don't get assigned grades
$Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
$Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
}
my $status=
$Apache::lonhomework::results{"resource.$version.0.$id.status"};
my $mandatory=($dimension{$dim}{'criteria.'.$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 < $optional_required) {
$mandatory_failed++;
}
&Apache::lonxml::debug(" task results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
$Apache::lonhomework::results{'resource.0.regrader'}=
$env{'user.name'}.':'.$env{'user.domain'};
if ($review) {
$Apache::lonhomework::results{"resource.$version.0.status"}='review';
} elsif ($ungraded) {
$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
} elsif ($mandatory_failed) {
$Apache::lonhomework::results{"resource.$version.0.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';
my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
if ($env{'form.regrade'} ne 'yes') {
$Apache::lonhomework::results{"resource.$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.0.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';
my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
if ($env{'form.regrade'} ne 'yes') {
$Apache::lonhomework::results{"resource.$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.0.status"}=
$Apache::lonhomework::results{"resource.$version.0.status"};
if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
$Apache::lonhomework::results{"resource.0.award"}=
$Apache::lonhomework::results{"resource.$version.0.award"};
$Apache::lonhomework::results{"resource.0.awarded"}=
$Apache::lonhomework::results{"resource.$version.0.awarded"};
$Apache::lonhomework::results{"resource.0.solved"}=
$Apache::lonhomework::results{"resource.$version.0.solved"};
}
&minimize_storage();
&Apache::structuretags::finalize_storage();
# data stored, now handle queue
if ($review) {
if ($env{'form.queue'} eq 'reviewqueue') {
&check_queue_unlock($env{'form.queue'});
&Apache::lonxml::debug(" still needs review not changing status.");
} else {
if ($env{'form.queue'} ne 'none') {
&move_between_queues($env{'form.queue'},'reviewqueue');
} else {
&add_to_queue('reviewqueue',\%queue_data);
}
}
} elsif ($ungraded) {
if ($env{'form.queue'} eq 'reviewqueue') {
&Apache::lonxml::debug("moving back.");
&move_between_queues($env{'form.queue'},
'gradingqueue');
} elsif ($env{'form.queue'} eq 'none' ) {
&add_to_queue('gradingqueue',\%queue_data);
} else {
&check_queue_unlock($env{'form.queue'});
}
} elsif ($mandatory_failed) {
&remove_from_queue($env{'form.queue'});
} else {
&remove_from_queue($env{'form.queue'});
}
}
if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
# instance generation occured and hasn't yet been stored
&Apache::structuretags::finalize_storage();
}
} elsif ($target eq 'webgrade') {
$result.=&Apache::lonxml::endredirection();
my $dim = $top;
foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
if ($type eq 'dimension') {
# dimensional 'criteria' don't get assigned grades
next;
} else {
my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
[@_]);
$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
my $internal_location=&internal_location($id);
$result=~s/\Q$internal_location\E/$criteria/;
}
}
$result.="
\n\n".
&Apache::loncommon::end_page();
} elsif ($target eq 'meta') {
$result.=&Apache::response::meta_package_write('Task');
$result.=&Apache::response::meta_stores_write('solved','string',
'Problem Status');
$result.=&Apache::response::meta_stores_write('tries','int_zeropos',
'Number of Attempts');
$result.=&Apache::response::meta_stores_write('awarded','float',
'Partial Credit Factor');
$result.=&Apache::response::meta_stores_write('status','string',
'Bridge Task Status');
} elsif ($target eq 'edit') {
&Apache::structuretags::reset_problem_globals('Task');
undef($Apache::lonhomework::parsing_a_task);
return ('','no');
}
&Apache::structuretags::reset_problem_globals('Task');
undef($Apache::lonhomework::parsing_a_task);
return $result;
}
sub move_between_queues {
my ($src_queue,$dest_queue)=@_;
my $cur_data;
if ($src_queue ne 'none') {
$cur_data=&get_queue_data($src_queue);
if (!$cur_data) { return 'not_exist'; }
} else {
$cur_data = ['none'];
}
my $result=&add_to_queue($dest_queue,$cur_data);
if ($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)=@_;
if ($queue eq 'none') { return 'ok'; }
my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
if (!defined($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) {
&Apache::lonxml::debug("unlocking my own $who");
return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
} elsif ($allow_not_me) {
&Apache::lonxml::debug("unlocking $who by $me");
return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
}
return 'not_owner';
}
sub in_queue {
my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
if ($queue eq 'none') { return 0; }
if (!defined($symb) || !defined($cdom) || !defined($cnum)
|| !defined($udom) || !defined($uname)) {
($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
$cnum=$env{'course.'.$cid.'.num'};
$cdom=$env{'course.'.$cid.'.domain'};
}
my $key=&encode_queue_key($symb,$udom,$uname);
my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
if (defined($results{$key})) {
return 1;
}
return 0;
}
sub remove_from_queue {
my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
if ($queue eq 'none') { return 'ok'; }
if (!defined($symb) || !defined($cdom) || !defined($cnum)
|| !defined($udom) || !defined($uname)) {
($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
$cnum=$env{'course.'.$cid.'.num'};
$cdom=$env{'course.'.$cid.'.domain'};
}
if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
return 'ok';
}
my $key=&encode_queue_key($symb,$udom,$uname);
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,$udom,$uname)=@_;
my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::whichuser();
if (!$uname || !$udom) {
$uname=$other_uname;
$udom =$other_udom;
}
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 $value;
}
return undef;
}
sub check_queue_for_key {
my ($cdom,$cnum,$queue,$todo)=@_;
my %results=
&Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
if (exists($results{$todo}) && ref($results{$todo})) {
if (defined($results{"$todo\0locked"})) {
return 'locked';
}
if (my $slot=&slotted_access($results{$todo})) {
my %slot_data=&Apache::lonnet::get_slot($slot);
if ($slot_data{'endtime'} > time) {
return 'in_progress';
}
} else {
my ($symb) = &decode_queue_key($todo);
my $due_date = &Apache::lonhomework::due_date('0',$symb);
if ($due_date > time) {
return 'in_progress';
}
}
return 'enqueued';
}
return undef;
}
sub add_to_queue {
my ($queue,$user_data)=@_;
if ($queue eq 'none') { return 'ok'; }
my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
if (!$cid || $env{'request.state'} eq 'construct') {
return 'no_queue';
}
my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};
my %data;
$data{"$symb\0queue\0$uname:$udom"}=$user_data;
return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
}
sub get_limited_classlist {
my ($sections) = @_;
my $classlist = &Apache::loncoursedata::get_classlist();
foreach my $student (keys(%$classlist)) {
if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
ne 'Active') {
delete($classlist->{$student});
}
}
if (ref($sections) && !grep('all',@{ $sections })) {
foreach my $student (keys(%$classlist)) {
my $section =
$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
if (! grep($section,@{ $sections })) {
delete($classlist->{$student});
}
}
}
return $classlist;
}
sub show_queue {
my ($queue,$with_selects)=@_;
my $result;
my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};
my @chosen_sections=
&Apache::loncommon::get_env_multiple('form.chosensections');
my $classlist = &get_limited_classlist(\@chosen_sections);
if (!(grep(/^all$/,@chosen_sections))) {
$result.='
Showing only sections '.join(', ',@chosen_sections).
'.
'."\n";
}
my ($view,$view_section);
my $scope = $env{'request.course.id'};
if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
$scope .= '/'.$env{'request.course.sec'};
if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
$view_section=$env{'request.course.sec'};
} else {
undef($view);
}
}
my $regexp="^$symb\0";
my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
my ($tmp)=%queue;
if ($tmp=~/^error: 2 /) {
return "\n