";
+ 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: '.
@@ -530,6 +700,11 @@ sub decode_queue_key {
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 "$key\0locked") {
@@ -545,18 +720,18 @@ sub pick_from_queue_data {
if ($check_section) {
my $section=&Apache::lonnet::getsection($uname,$udom);
if ($section eq $check_section) {
- &Apache::lonnet::logthis("my sec");
+ &Apache::lonxml::debug("my sec");
next;
}
}
my $slot=$queuedata->{$key}[0];
my %slot_data=&Apache::lonnet::get_slot($slot);
if ($slot_data{'endtime'} > time) {
- &Apache::lonnet::logthis("not time");
+ &Apache::lonxml::debug("not time");
next;
}
if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
- &Apache::lonnet::logthis("someone already has um.");
+ &Apache::lonxml::debug("someone already has um.");
next;
}
return $key;
@@ -585,53 +760,62 @@ sub find_mid_grade {
return undef;
}
+sub lock_key {
+ my ($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::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;
- # FIXME need to find if I am 'mid grading'
- $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
- &Apache::lonnet::logthis("found ".join(':',&decode_queue_key($todo)));
+ 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::lonnet::logthis("$starttime");
+ &Apache::lonxml::debug("$starttime");
my $regexp="^$symb\0queue\0";
my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
- #make a pass looking for a user in my section
+ #make a pass looking for a user _not_ in my section
if ($env{'request.course.sec'}) {
- &Apache::lonnet::logthis("sce");
+ &Apache::lonxml::debug("sce");
$todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
\%queue,$cdom,$cnum);
- &Apache::lonnet::logthis("sce $todo");
+ &Apache::lonxml::debug("sce $todo");
}
- # no one in our section so look for any user that is ready for grading
+ # no one _not_ in our section so look for any user that is
+ # ready for grading
if (!$todo) {
- &Apache::lonnet::logthis("no sce");
- $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue,
- $cdom,$cnum);
- &Apache::lonnet::logthis("no sce $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::lonnet::logthis("got $todo");
+ &Apache::lonxml::debug("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);
- &Apache::lonnet::logthis("emd $endtime");
+ &Apache::lonxml::debug("emd $endtime");
# someone else already modified the queue,
# perhaps our picked user wass already fully graded between
# when we picked him and when we locked his record? so lets
@@ -640,16 +824,16 @@ sub get_from_queue {
my ($key,$value)=
&Apache::lonnet::get($queue,["$todo"],
$cdom,$cnum);
- &Apache::lonnet::logthis("check $key .. $value");
+ &Apache::lonxml::debug("check $key .. $value");
if ($key eq $todo && ref($value)) {
} else {
&Apache::lonnet::del($queue,["$todo\0locked"],
$cdom,$cnum);
- &Apache::lonnet::logthis("del");
+ &Apache::lonxml::debug("del");
next;
}
}
- &Apache::lonnet::logthis("last $todo");
+ &Apache::lonxml::debug("last $todo");
last;
}
return $todo;
@@ -696,9 +880,6 @@ sub start_Dimension {
}
sub get_instance {
- #FIXME just grabbing the first one for now, need
- #to randomly pick one until all have been seen
- #then start repicking
&Apache::response::pushrandomnumber();
my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
my $num=@order;
|