';
- }
+ if (defined($env{'form.reviewasubmission'})) {
+ $result.=&show_queue('reviewqueue',1);
+ my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
} else {
- if ($target eq 'webgrade') {
- $result.="\n".'
';
- if ($env{'form.stop'}) {
- $result.=&mt("Stopped grading.");
- } else {
- $result.=&mt("No user to be graded.");
+ my ($todo,$status_code)=&get_key_todo($target);
+ if ($todo) {
+ &setup_env_for_other_user($todo,$safeeval);
+ my ($symb,$uname,$udom)=&decode_queue_key($todo);
+ $result.="\n".'
Found '.
+ &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'
';
+ if ($status_code eq 'stop') {
+ $result.=&mt("Stopped grading.");
+ } elsif ($status_code eq 'lock_failed') {
+ $result.=&mt("Failed to lock the request record.");
+ } elsif ($status_code eq 'unlock') {
+ $result.=&mt("Unlocked the requested user.");
+ } else {
+ $result.=&mt("No user to be graded.");
+ }
+ $result.='
';
}
- $result.='
';
+ $webgrade='no';
+ my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
}
- my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
+ }
+ if ($target eq 'webgrade' && defined($env{'form.queue'})) {
+ $result.=$form_tag_start;
+ $result.='';
+ $result.='';
}
} else {
# page_start returned a starting result, delete it if we don't need it
@@ -309,6 +330,41 @@ sub start_Task {
return $result;
}
+sub get_key_todo {
+ my ($target)=@_;
+ my $todo;
+ 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($env{'form.action'})) {
+ #FIXME probably need to do some cheking here for more validity
+ &Apache::lonnet::logthis("Found a key was given to me");
+ return ($gradingkey);
+ }
+ if ($env{'form.action'} eq 'resume') {
+ &Apache::lonnet::logthis("Resuming a key");
+ return ($gradingkey);
+ } elsif ($env{'form.action'} eq 'unlock') {
+ &Apache::lonnet::logthis("Unlocking a key ".
+ &check_queue_unlock($queue,$gradingkey,1));
+ return (undef,'unlock');
+ } elsif ($env{'form.action'} eq 'select') {
+ if (&lock_key($queue,$gradingkey)) {
+ return ($gradingkey);
+ }
+ return (undef,'lock_failed');
+ }
+ # don't get something new from the queue if they hit the stop button
+ if (!($env{'form.stop'} && $target eq 'webgrade')) {
+ return (&get_from_queue($queue));
+ } else {
+ return (undef,'stop');
+ }
+}
+
sub end_Task {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result='';
@@ -351,10 +407,10 @@ sub end_Task {
&Apache::lonhomework::showhash(%Apache::lonhomework::results);
&Apache::structuretags::finalize_storage();
if ($award eq 'SUBMITTED') {
- &add_to_queue('gradingqueue');
+ &add_to_queue('gradingqueue',$Apache::inputtags::slot_name);
}
}
- if ($target eq 'grade' && $env{'form.webgrade'}) {
+ if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
my $optional_required=
&Apache::lonxml::get_param('OptionalRequired',$parstack,
$safeeval);
@@ -386,22 +442,24 @@ sub end_Task {
$env{'user.name'}.'@'.$env{'user.domain'};
if ($review) {
$Apache::lonhomework::results{"resource.$version.status"}='review';
- &move_to_review_queue();
+ # FIXME won't work well when already in review queues
+ &move_between_queues('gradingqueue','reviewqueue');
} elsif ($ungraded) {
$Apache::lonhomework::results{"resource.$version.status"}='ungraded';
- &check_queue_unlock('gradingqueue');
+ # FIXME if in review queue need to move back to grading queue
+ &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('gradingqueue');
+ &remove_from_queue($env{'form.queue'});
} 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();
+ &remove_from_queue($env{'form.queue'});
}
$Apache::lonhomework::results{"resource.status"}=
$Apache::lonhomework::results{"resource.$version.status"};
@@ -435,22 +493,35 @@ sub end_Task {
return $result;
}
-sub move_to_review_queue {
-
- &Apache::lonxml::debug("Want to move");
+sub move_between_queues {
+ my ($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)=@_;
+ 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 $key="$symb\0queue\0$uname\@$udom";
my $me=$env{'user.name'}.'@'.$env{'user.domain'};
my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
if ($who eq $me) {
- &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
+ return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
+ } elsif ($allow_not_me) {
+ &Apache::lonnet::logthis("unlocking $who by $me");
+ return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
}
+ return 'not_owner';
}
sub remove_from_queue {
@@ -460,7 +531,7 @@ sub remove_from_queue {
my $cdom=$env{'course.'.$cid.'.domain'};
my $key="$symb\0queue\0$uname\@$udom";
my @keys=($key,"$key\0locked");
- &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
+ return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
}
sub setup_env_for_other_user {
@@ -474,42 +545,84 @@ sub setup_env_for_other_user {
&Apache::lonxml::initialize_rndseed($safeeval);
}
-sub add_to_queue {
+sub get_queue_data {
my ($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"}=[$Apache::inputtags::slot_name];
- &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
+ $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name];
+ return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
}
sub show_queue {
- my ($queue)=@_;
+ my ($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);
- $result.="\n
Current Queue
resource
".
- "
user
type
data
";
+ my ($tmp)=%queue;
+ if ($tmp=~/^error: 2 /) {
+ return "\n
Current Queue
Empty
";
+ }
+ $result.="\n
Current Queue
";
+ if ($with_selects) { $result.="
"; }
+ $result.="
resource
user
type
data
";
foreach my $key (sort(keys(%queue))) {
- if ($key=~/locked$/) {
+ if ($key=~/locked$/ && !$with_selects) {
my ($symb,$uname,$udom) = &decode_queue_key($key);
my $title=&Apache::lonnet::gettitle($symb);
$result.="
$title
$uname
";
$result.='
lock
'.$queue{$key}.'
';
- } elsif ($key=~/timestamp$/) {
+ } elsif ($key=~/timestamp$/ && !$with_selects) {
my ($symb,undef) = split("\0",$key);
my $title=&Apache::lonnet::gettitle($symb);
$result.="
";
- } else {
+ } elsif ($key!~/(timestamp|locked)$/) {
my ($symb,$uname,$udom) = &decode_queue_key($key);
my $title=&Apache::lonnet::gettitle($symb);
- $result.="
$title
$uname
";
+ $result.="
";
+ if ($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'));
+ }
+ }
+ $result.=(<
+
+FORM
+ }
+ $result.="
$title
$uname
";
my $slot=$queue{$key}->[0];
my %slot_data=&Apache::lonnet::get_slot($slot);
$result.='
queue entry
Slot: '.$slot.' End time: '.
@@ -585,15 +698,28 @@ sub find_mid_grade {
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::lonnet::logthis("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;
- # FIXME need to find if I am 'mid grading'
- $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
+ my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
&Apache::lonnet::logthis("found ".join(':',&decode_queue_key($todo)));
if ($todo) { return $todo; }
while (1) {
@@ -613,21 +739,16 @@ sub get_from_queue {
# no one in our section so look for any user that is ready for grading
if (!$todo) {
&Apache::lonnet::logthis("no sce");
- $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue,
- $cdom,$cnum);
+ $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
+ \%queue,$cdom,$cnum);
&Apache::lonnet::logthis("no sce $todo");
}
# no user to grade
if (!$todo) { last; }
&Apache::lonnet::logthis("got $todo");
# otherwise found someone so lets try to lock them
- my $success=&Apache::lonnet::newput($queue,
- {"$todo\0locked"=>
- $env{'user.name'}.'@'.$env{'user.domain'}},
- $cdom,$cnum);
- # someone else already picked them
- &Apache::lonnet::logthis("success $todo");
- if ($success ne 'ok') { next; }
+ # unless someone else already picked them
+ if (!&lock_key($queue,$todo)) { next; }
my (undef,$endtime)=
&Apache::lonnet::get($queue,["$symb\0timestamp"],
$cdom,$cnum);
@@ -696,9 +817,6 @@ sub start_Dimension {
}
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'}});
my $num=@order;