--- loncom/homework/bridgetask.pm 2005/04/08 19:21:52 1.12
+++ loncom/homework/bridgetask.pm 2005/05/03 00:05:41 1.14
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# definition of tags that give a structure to a document
#
-# $Id: bridgetask.pm,v 1.12 2005/04/08 19:21:52 albertel Exp $
+# $Id: bridgetask.pm,v 1.14 2005/05/03 00:05:41 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -82,12 +82,19 @@ sub add_previous_version_button {
return $result;
}
+sub add_grading_button {
+ my $result;
+ $result.=' ';
+ $result.='';
+ return $result;
+}
+
sub start_Task {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
&Apache::structuretags::initialize_storage();
&Apache::lonhomework::showhash(%Apache::lonhomework::history);
-
my ($status,$accessmsg,$slot);
$Apache::lonhomework::parsing_a_task=1;
#should get back a or the neccesary stuff to start XML/MathML
@@ -96,12 +103,19 @@ sub start_Task {
if ($target eq 'web') {
$body_tag_start.=&add_previous_version_button();
+ if ($Apache::lonhomework::modifygrades) {
+ $body_tag_start.='
";
+ }
}
if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
$target eq 'tex') {
- ($status,$accessmsg,$slot) =
+ ($status,$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="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
&Apache::run::run($expression,$safeeval);
@@ -159,6 +173,12 @@ sub start_Task {
}
}
}
+ } elsif ($target eq 'webgrade') {
+ $result.=$head_tag_start.$body_tag_start.$form_tag_start.
+ 'Yahoo!';
+ $result.=&show_queue();
+ $result.=&get_from_queue();
+
} else {
# page_start returned a starting result, delete it if we don't need it
$result = '';
@@ -171,7 +191,7 @@ sub end_Task {
my $result='';
my $status=$Apache::inputtags::status['-1'];
if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
- $target eq 'tex') {
+ $target eq 'tex' || $target eq 'webgrade') {
if (
(($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
($target eq 'answer') || ($target eq 'tex')
@@ -184,18 +204,25 @@ sub end_Task {
"";
$result.=&Apache::inputtags::gradestatus('0');
}
+ }
+ if ($target eq 'web' || $target eq 'webgrade') {
$result.=&Apache::lonxml::xmlend().'';
}
}
if ($target eq 'grade') {
my $award='SUBMITTED';
- &Apache::essayresponse::file_submission('0','bridgetask','portfiles',$award);
- if ($Apache::lonhomework::results{"resource.0.bridgetask.portfiles"}) {
+ &Apache::essayresponse::file_submission('0','bridgetask','portfiles',\$award);
+ if ($award eq 'SUBMITTED' &&
+ $Apache::lonhomework::results{"resource.0.bridgetask.portfiles"}) {
$Apache::lonhomework::results{"resource.0.tries"}=
1+$Apache::lonhomework::history{"resource.0.tries"};
}
+ $Apache::lonhomework::results{"resource.0.award"}=$award;
&Apache::lonhomework::showhash(%Apache::lonhomework::results);
&Apache::structuretags::finalize_storage();
+ if ($award eq 'SUBMITTED') {
+ &add_to_queue();
+ }
}
} elsif ($target eq 'meta') {
$result.=''."\n";
@@ -206,10 +233,129 @@ sub end_Task {
return $result;
}
+sub add_to_queue {
+ my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
+ my $cnum=$env{'course.'.$cid.'.num'};
+ my $cdom=$env{'course.'.$cid.'.domain'};
+ my %data;
+ #$data{"$symb\0timestamp"}=time;
+ $data{"$symb\0queue\0$uname\@$udom"}=[$Apache::inputtags::slot_name];
+ &Apache::lonnet::put('gradingqueue',\%data,$cdom,$cnum);
+}
+
+sub show_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\0queue";
+ my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);
+ $result.="
resource
user
Time available for grading
";
+ foreach my $key (sort(keys(%queue))) {
+ my ($symb,undef,$user) = split("\0",$key);
+ my ($uname,$udom) = split('@',$user);
+ my $title=&Apache::lonnet::gettitle($symb);
+ $result.="
$title
$uname
";
+ my $slot=$queue{$key}->[0];
+ my %slot_data=&Apache::lonnet::get_slot($slot);
+ $result.="End time: ".&Apache::lonlocal::locallocaltime($slot_data{'endtime'})."
";
+ }
+ $result.="
";
+ return $result;
+}
+
+sub decode_queue_key {
+ my ($key)=@_;
+ my ($symb,undef,$user) = split("\0",$key);
+ my ($uname,$udom) = split('@',$user);
+ return ($symb,$uname,$udom);
+}
+
+sub queue_key_locked {
+ my ($key)=@_;
+ my ($key_locked,$value)=
+ &Apache::lonnet::get('gradingqueue',["$key\0locked"],$cdom,$cnum);
+ if ($key_locked eq "$key\0locked") {
+ return $value;
+ }
+ return undef;
+}
+
+sub pick_from_queue_data {
+ my ($check_section,$queue)=@_;
+ foreach my $key (sort(keys(%$queue))) {
+ my ($symb,$uname,$udom)=&decode_queue_key($key);
+ if ($check_section) {
+ my $section=&Apache::lonnet::getsection($uname,$udom);
+ if ($section ne $check_section) { next; }
+ }
+ my $slot=$queue->{$key}[0];
+ my %slot_data=&Apache::lonnet::get_slot($slot);
+ if ($slot_data{'endtime'} > time) { next; }
+ if (&queue_key_locked($key)) { next; }
+ return $key;
+ }
+ return undef;
+}
+
+sub get_from_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;
+ while (1) {
+ my $starttime=time;
+ &Apache::lonnet::put('gradingqueue',{"$symb\0timestamp"=>$starttime},
+ $cdom,$cnum);
+ my $regexp="^$symb\0queue\0";
+ my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);
+ #make a pass looking for a user in my section
+ if ($env{'request.course.sec'}) {
+ $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue);
+ }
+ # no one in our section so look for any user that is ready for grading
+ if (!$todo) {
+ $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue);
+ }
+ # no user to grade
+ if (!$todo) { last; }
+ # otherwise found someone so lets try to lock them
+ my $success=&Apache::lonnet::newput('gradingqueue',
+ {"$todo\0locked"=>
+ $env{'user.name'}.'@'.$env{'user.domain'}},
+ $cdom,$cnum);
+ # someone else already picked them
+ if ($success ne 'ok') { next; }
+ my (undef,$endtime)=
+ &Apache::lonnet::get('gradingqueue',["$symb\0timestamp"],
+ $cdom,$cnum);
+ # 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,$value)=
+ &Apache::lonnet::get('gradingqueue',["$todo"],
+ $cdom,$cnum);
+ if ($key eq $todo && ref($value)) {
+ } else {
+ &Apache::lonnet::del('gradingqueue',["$todo\0locked"],
+ $cdom,$cnum);
+ next;
+ }
+ }
+ 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 $result;
}
@@ -218,6 +364,8 @@ sub end_ClosingParagraph {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
if ($target eq 'web') {
+ } elsif ($target eq 'webgrade') {
+ &Apache::lonxml::endredirection();
}
return $result;
}
@@ -233,21 +381,29 @@ sub start_Dimension {
return '';
}
+sub get_instance {
+ #FIXME just grabbing the first one for now, need
+ #to randomly pick one until all have been seen
+ #then start repicking
+ &Apache::response::pushrandomnumber();
+ my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
+ return $order[0];
+}
+
sub end_Dimension {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
if ($target eq 'web') {
- #FIXME just grabbing the first one for now, need
- #to randomly pick one until all have been seen
- #then start repicking
- &Apache::response::pushrandomnumber();
- my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
- my $instance=$order[0];
+ my $instance=&get_instance();
$result=$dimension{'intro'}.$dimension{$instance.'.text'};
- #FIXME: don't show the criteria yet
- #foreach my $id (@{$dimension{$instance.'.criterias'}}) {
- # $result.=$dimension{$instance.'.criteria.'.$id};
- #}
+ } elsif ($target eq 'webgrade') {
+ my $instance=&get_instance();
+ $result.='
';
+ foreach my $id (@{$dimension{$instance.'.criterias'}}) {
+ $result.='
'.
+ $dimension{$instance.'.criteria.'.$id}.'
';
+ }
+ $result.='
';
}
return $result;
}
@@ -255,8 +411,8 @@ sub end_Dimension {
sub start_IntroParagraph {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
- if ($target eq 'web') {
- if ($tagstack->[-2] eq 'Dimension') {
+ if ($target eq 'web' || $target eq 'webgrade') {
+ if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
&Apache::lonxml::startredirection();
}
}
@@ -266,8 +422,8 @@ sub start_IntroParagraph {
sub end_IntroParagraph {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
- if ($target eq 'web') {
- if ($tagstack->[-2] eq 'Dimension') {
+ if ($target eq 'web' || $target eq 'webgrade') {
+ if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
$dimension{'intro'}=&Apache::lonxml::endredirection();
}
}
@@ -289,7 +445,7 @@ sub end_Instance {
sub start_InstanceText {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
&Apache::lonxml::startredirection();
}
return '';
@@ -298,7 +454,7 @@ sub start_InstanceText {
sub end_InstanceText {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $instance_id=$Apache::bridgetask::instance[-1];
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$dimension{$instance_id.'.text'}=&Apache::lonxml::endredirection();
}
return '';
@@ -306,7 +462,7 @@ sub end_InstanceText {
sub start_Criteria {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
&Apache::lonxml::startredirection();
}
return '';
@@ -315,7 +471,7 @@ sub start_Criteria {
sub end_Criteria {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $instance_id=$Apache::bridgetask::instance[-1];
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
my $criteria=&Apache::lonxml::endredirection();
my $id=$Apache::lonxml::curdepth;
$dimension{$instance_id.'.criteria.'.$id}=$criteria;