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Diff for /loncom/homework/bridgetask.pm between versions 1.29 and 1.32

version 1.29, 2005/05/20 21:23:42 version 1.32, 2005/05/27 17:08:03
Line 144  sub add_grading_button { Line 144  sub add_grading_button {
     my $result=' <input type="submit" name="gradeasubmission" value="'.      my $result=' <input type="submit" name="gradeasubmission" value="'.
  &mt("Get a submission to grade").'" />';   &mt("Get a submission to grade").'" />';
     $result.='<input type="hidden" name="grade_target" value="webgrade" />';      $result.='<input type="hidden" name="grade_target" value="webgrade" />';
       if ( 1) {
    #need a permissions for limitng this to 'powerful users'
    #check if review queue has items
    $result.=' <input type="submit" name="reviewasubmission" value="'.
       &mt("Select an entry from the review queue").'" />';
       }
     return $result;      return $result;
 }  }
   
Line 154  sub add_request_another_attempt_button { Line 160  sub add_request_another_attempt_button {
     return $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') {
       $result .= '<input type="hidden" name="grade_'.$field.
    '" value="'.$env{"form.grade_$field"}.'" />'."\n";
    }
       }
       return $result;
   }
   
 sub start_Task {  sub start_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
Line 240  sub start_Task { Line 258  sub start_Task {
     $result.="$head_tag_start<title>$name</title></head>      $result.="$head_tag_start<title>$name</title></head>
               $body_tag_start \n $form_tag_start".                $body_tag_start \n $form_tag_start".
       '<input type="hidden" name="submitted" value="yes" />';        '<input type="hidden" name="submitted" value="yes" />';
     # if we are viewing someone else preserve that info      $result.=&preserve_grade_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";  
  }  
     }  
     my ($version,$previous)=&get_version();      my ($version,$previous)=&get_version();
     if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {      if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
  $result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';   $result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';
Line 260  sub start_Task { Line 272  sub start_Task {
  }   }
     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||      } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
       $target eq 'webgrade') {        $target eq 'webgrade') {
    my $webgrade='yes';
  if ($target eq 'webgrade') {   if ($target eq 'webgrade') {
     $result.=$head_tag_start.$body_tag_start.$form_tag_start;      #FIXME FORM conflcit with the 'show queue',1 
     $result.='<input type="hidden" name="webgrade" value="yes" />';      $result.=$head_tag_start.$body_tag_start;
     $result.=&show_queue();      $result.='<br />Review'.&show_queue('reviewqueue');
  }      $result.='<br />Before'.&show_queue('gradingqueue');
  my $todo=&get_from_queue();   }
  if ($todo) {   if (defined($env{'form.reviewasubmission'})) {
     &setup_env_for_other_user($todo,$safeeval);      $result.=&show_queue('reviewqueue',1);
     my ($symb,$uname,$udom)=&decode_queue_key($todo);      my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
     $result.="\n".'<table><tr><td>Found '.  
  &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';  
     $result.='<input type="hidden" name="gradingkey" value="'.  
  &Apache::lonnet::escape($todo).'" />';  
     $Apache::bridgetask::queue_key=$todo;  
     &Apache::structuretags::initialize_storage();  
     &Apache::lonhomework::showhash(%Apache::lonhomework::history);  
     $result.="\n".'<table width="100%" style="width:100%" border="1">';  
  } else {   } else {
     if ($target eq 'webgrade') {      my ($todo,$status_code)=&get_key_todo($target);
  $result.="\n".      if ($todo) {
     '<table><tr><td>No user to be graded.</td></tr></table>';   &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>';
    $result.='<input type="hidden" name="gradingkey" value="'.
       &Apache::lonnet::escape($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('gradingqueue');
       $result.="\n".'<table width="100%" style="width:100%" border="1">';
    }
       } else {
    if ($target eq 'webgrade') {
       $result.="\n".'<table><tr><td><b>';
       if      ($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.='</b></td></tr></table>';
    }
    $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.='<input type="hidden" name="webgrade" value="'.
    $webgrade.'" />';
       $result.='<input type="hidden" name="queue" value="'.
    $env{'form.queue'}.'" />';
  }   }
     } else {      } else {
  # page_start returned a starting result, delete it if we don't need it   # page_start returned a starting result, delete it if we don't need it
Line 291  sub start_Task { Line 330  sub start_Task {
     return $result;      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 {  sub end_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result='';      my $result='';
Line 333  sub end_Task { Line 407  sub end_Task {
     &Apache::lonhomework::showhash(%Apache::lonhomework::results);      &Apache::lonhomework::showhash(%Apache::lonhomework::results);
     &Apache::structuretags::finalize_storage();      &Apache::structuretags::finalize_storage();
     if ($award eq 'SUBMITTED') {      if ($award eq 'SUBMITTED') {
  &add_to_queue();   &add_to_queue('gradingqueue',$Apache::inputtags::slot_name);
     }      }
  }   }
  if ($target eq 'grade' && $env{'form.webgrade'}) {   if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
     my $optional_required=      my $optional_required=
  &Apache::lonxml::get_param('OptionalRequired',$parstack,   &Apache::lonxml::get_param('OptionalRequired',$parstack,
    $safeeval);     $safeeval);
Line 368  sub end_Task { Line 442  sub end_Task {
  $env{'user.name'}.'@'.$env{'user.domain'};   $env{'user.name'}.'@'.$env{'user.domain'};
     if ($review) {      if ($review) {
  $Apache::lonhomework::results{"resource.$version.status"}='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 ($ungraded) {      } elsif ($ungraded) {
  $Apache::lonhomework::results{"resource.$version.status"}='ungraded';   $Apache::lonhomework::results{"resource.$version.status"}='ungraded';
  &check_queue_unlock();   # FIXME if in review queue need to move back to grading queue
    &check_queue_unlock($env{'form.queue'});
     } elsif ($mandatory_failed) {      } elsif ($mandatory_failed) {
  $Apache::lonhomework::results{"resource.$version.status"}='fail';   $Apache::lonhomework::results{"resource.$version.status"}='fail';
  $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';   $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
  $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';   $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
  $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';   $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
  &remove_from_queue();   &remove_from_queue($env{'form.queue'});
     } else {      } else {
  $Apache::lonhomework::results{"resource.$version.status"}='pass';   $Apache::lonhomework::results{"resource.$version.status"}='pass';
  $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';   $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
  $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';   $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
  $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';   $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
  &remove_from_queue();   &remove_from_queue($env{'form.queue'});
     }      }
     $Apache::lonhomework::results{"resource.status"}=      $Apache::lonhomework::results{"resource.status"}=
  $Apache::lonhomework::results{"resource.$version.status"};   $Apache::lonhomework::results{"resource.$version.status"};
Line 417  sub end_Task { Line 493  sub end_Task {
     return $result;      return $result;
 }  }
   
 sub move_to_review_queue {  sub move_between_queues {
     &Apache::lonxml::debug("Want to move");      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 {  sub check_queue_unlock {
     &Apache::lonxml::debug("Want to 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::lonnet::logthis("unlocking $who by $me");
    return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
       }
       return 'not_owner';
 }  }
   
 sub remove_from_queue {  sub remove_from_queue {
       my ($queue)=@_;
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my $key="$symb\0queue\0$uname\@$udom";      my $key="$symb\0queue\0$uname\@$udom";
     my @keys=($key,"$key\0locked");      my @keys=($key,"$key\0locked");
     &Apache::lonnet::del('gradingqueue',\@keys,$cdom,$cnum);      return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
 }  }
   
 sub setup_env_for_other_user {  sub setup_env_for_other_user {
     my ($queue_key,$safeeval)=@_;      my ($queue_key,$safeeval)=@_;
     my ($symb,$uname,$udom)=&decode_queue_key($queue_key);      my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
       &Apache::lonxml::debug("setup_env for $queue_key");
     $env{'form.grade_symb'}=$symb;      $env{'form.grade_symb'}=$symb;
     $env{'form.grade_domain'}=$udom;      $env{'form.grade_domain'}=$udom;
     $env{'form.grade_username'}=$uname;      $env{'form.grade_username'}=$uname;
Line 444  sub setup_env_for_other_user { Line 545  sub setup_env_for_other_user {
     &Apache::lonxml::initialize_rndseed($safeeval);      &Apache::lonxml::initialize_rndseed($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 {  sub add_to_queue {
       my ($queue,$slot_name)=@_;
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my %data;      my %data;
     $data{"$symb\0queue\0$uname\@$udom"}=[$Apache::inputtags::slot_name];      $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name];
     &Apache::lonnet::put('gradingqueue',\%data,$cdom,$cnum);      return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
 }  }
   
 sub show_queue {  sub show_queue {
       my ($queue,$with_selects)=@_;
     my $result;      my $result;
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my $regexp="^$symb\0";      my $regexp="^$symb\0";
     my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);      my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     $result.="\n<h3>Current Queue</h3><table border='1'><tr><th>resource</th>".      my ($tmp)=%queue;
  "<th>user</th><th>type</th><th>data</th></tr>";      if ($tmp=~/^error: 2 /) {
    return "\n<h3>Current Queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
       }
       $result.="\n<h3>Current Queue</h3><table border='1'><tr>";
       if ($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))) {      foreach my $key (sort(keys(%queue))) {
  if ($key=~/locked$/) {   if ($key=~/locked$/ && !$with_selects) {
     my ($symb,$uname,$udom) = &decode_queue_key($key);      my ($symb,$uname,$udom) = &decode_queue_key($key);
     my $title=&Apache::lonnet::gettitle($symb);      my $title=&Apache::lonnet::gettitle($symb);
     $result.="<tr><td>$title</td><td>$uname</td>";      $result.="<tr><td>$title</td><td>$uname</td>";
     $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';      $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
  } elsif ($key=~/timestamp$/) {   } elsif ($key=~/timestamp$/ && !$with_selects) {
     my ($symb,undef) = split("\0",$key);      my ($symb,undef) = split("\0",$key);
     my $title=&Apache::lonnet::gettitle($symb);      my $title=&Apache::lonnet::gettitle($symb);
     $result.="<tr><td>$title</td><td></td>";      $result.="<tr><td>$title</td><td></td>";
     $result.='<td>last queue modification time</td><td>'.      $result.='<td>last queue modification time</td><td>'.
  &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";   &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
  } else {   } elsif ($key!~/(timestamp|locked)$/) {
     my ($symb,$uname,$udom) = &decode_queue_key($key);      my ($symb,$uname,$udom) = &decode_queue_key($key);
     my $title=&Apache::lonnet::gettitle($symb);      my $title=&Apache::lonnet::gettitle($symb);
     $result.="<tr><td>$title</td><td>$uname</td>";      $result.="<tr>";
       if ($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'));
       }
    }
    $result.=(<<FORM);
   <td>
   <form method="POST">
    <input type="hidden" name="gradingkey" value="$ekey" />
    <input type="hidden" name="queue" value="$queue" />
    <input type="hidden" name="gradingaction" value="$action" />
    <input type="hidden" name="webgrade" value="no" />
    <input type="submit" name="submit" value="$description" />
   </form>
   </td>
   FORM
       }
       $result.="<td>$title</td><td>$uname</td>";
     my $slot=$queue{$key}->[0];      my $slot=$queue{$key}->[0];
     my %slot_data=&Apache::lonnet::get_slot($slot);      my %slot_data=&Apache::lonnet::get_slot($slot);
     $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.      $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
Line 497  sub decode_queue_key { Line 642  sub decode_queue_key {
 }  }
   
 sub queue_key_locked {  sub queue_key_locked {
     my ($key,$cdom,$cnum)=@_;      my ($queue,$key,$cdom,$cnum)=@_;
     my ($key_locked,$value)=      my ($key_locked,$value)=
  &Apache::lonnet::get('gradingqueue',["$key\0locked"],$cdom,$cnum);   &Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
     if ($key_locked eq "$key\0locked") {      if ($key_locked eq "$key\0locked") {
  return $value;   return $value;
     }      }
Line 507  sub queue_key_locked { Line 652  sub queue_key_locked {
 }  }
   
 sub pick_from_queue_data {  sub pick_from_queue_data {
     my ($check_section,$queue,$cdom,$cnum)=@_;      my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
     foreach my $key (keys(%$queue)) {      foreach my $key (keys(%$queuedata)) {
  my ($symb,$uname,$udom)=&decode_queue_key($key);   my ($symb,$uname,$udom)=&decode_queue_key($key);
  if ($check_section) {   if ($check_section) {
     my $section=&Apache::lonnet::getsection($uname,$udom);      my $section=&Apache::lonnet::getsection($uname,$udom);
Line 517  sub pick_from_queue_data { Line 662  sub pick_from_queue_data {
  next;   next;
     }      }
  }   }
  my $slot=$queue->{$key}[0];   my $slot=$queuedata->{$key}[0];
  my %slot_data=&Apache::lonnet::get_slot($slot);   my %slot_data=&Apache::lonnet::get_slot($slot);
  if ($slot_data{'endtime'} > time) {    if ($slot_data{'endtime'} > time) { 
     &Apache::lonnet::logthis("not time");      &Apache::lonnet::logthis("not time");
     next;      next;
  }   }
  if (&queue_key_locked($key,$cdom,$cnum)) {   if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
     &Apache::lonnet::logthis("someone already has um.");      &Apache::lonnet::logthis("someone already has um.");
     next;      next;
  }   }
Line 533  sub pick_from_queue_data { Line 678  sub pick_from_queue_data {
 }  }
   
 sub find_mid_grade {  sub find_mid_grade {
     my ($symb,$cdom,$cnum)=@_;      my ($queue,$symb,$cdom,$cnum)=@_;
     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});      my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
     my $me=$env{'user.name'}.'@'.$env{'user.domain'};      my $me=$env{'user.name'}.'@'.$env{'user.domain'};
     if ($todo) {      if ($todo) {
  my $who=&queue_key_locked($todo,$cdom,$cnum);   my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
  if ($who eq $me) { return $todo; }   if ($who eq $me) { return $todo; }
     }      }
     my $regexp="^$symb\0.*\0locked\$";      my $regexp="^$symb\0.*\0locked\$";
     my %locks=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);      my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     foreach my $key (keys(%locks)) {      foreach my $key (keys(%locks)) {
  my $who=$locks{$key};   my $who=$locks{$key};
  if ($who eq $me) {   if ($who eq $me) {
Line 553  sub find_mid_grade { Line 698  sub find_mid_grade {
     return undef;      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 {  sub get_from_queue {
       my ($queue)=@_;
     my $result;      my $result;
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my $todo;      my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
     # FIXME need to find if I am 'mid grading'  
     $todo=&find_mid_grade($symb,$cdom,$cnum);  
     &Apache::lonnet::logthis("found ".join(':',&decode_queue_key($todo)));      &Apache::lonnet::logthis("found ".join(':',&decode_queue_key($todo)));
     if ($todo) { return $todo; }      if ($todo) { return $todo; }
     while (1) {      while (1) {
  my $starttime=time;   my $starttime=time;
  &Apache::lonnet::put('gradingqueue',{"$symb\0timestamp"=>$starttime},   &Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime},
      $cdom,$cnum);       $cdom,$cnum);
  &Apache::lonnet::logthis("$starttime");   &Apache::lonnet::logthis("$starttime");
  my $regexp="^$symb\0queue\0";   my $regexp="^$symb\0queue\0";
  my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);   my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
  #make a pass looking for a user in my section   #make a pass looking for a user in my section
  if ($env{'request.course.sec'}) {   if ($env{'request.course.sec'}) {
     &Apache::lonnet::logthis("sce");      &Apache::lonnet::logthis("sce");
     $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue,      $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
  $cdom,$cnum);   \%queue,$cdom,$cnum);
     &Apache::lonnet::logthis("sce $todo");      &Apache::lonnet::logthis("sce $todo");
  }   }
  # no one in our section so look for any user that is ready for grading   # no one in our section so look for any user that is ready for grading
  if (!$todo) {   if (!$todo) {
     &Apache::lonnet::logthis("no sce");      &Apache::lonnet::logthis("no sce");
     $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue,      $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
  $cdom,$cnum);   \%queue,$cdom,$cnum);
     &Apache::lonnet::logthis("no sce $todo");      &Apache::lonnet::logthis("no sce $todo");
  }   }
  # no user to grade    # no user to grade 
  if (!$todo) { last; }   if (!$todo) { last; }
  &Apache::lonnet::logthis("got $todo");   &Apache::lonnet::logthis("got $todo");
  # otherwise found someone so lets try to lock them   # otherwise found someone so lets try to lock them
  my $success=&Apache::lonnet::newput('gradingqueue',   # unless someone else already picked them
     {"$todo\0locked"=>   if (!&lock_key($queue,$todo)) { next; }
  $env{'user.name'}.'@'.$env{'user.domain'}},  
    $cdom,$cnum);  
  # someone else already picked them  
  &Apache::lonnet::logthis("success $todo");  
  if ($success ne 'ok') { next; }  
  my (undef,$endtime)=   my (undef,$endtime)=
     &Apache::lonnet::get('gradingqueue',["$symb\0timestamp"],      &Apache::lonnet::get($queue,["$symb\0timestamp"],
  $cdom,$cnum);   $cdom,$cnum);
  &Apache::lonnet::logthis("emd  $endtime");   &Apache::lonnet::logthis("emd  $endtime");
  # someone else already modified the queue,    # someone else already modified the queue, 
Line 605  sub get_from_queue { Line 759  sub get_from_queue {
  # double check.   # double check.
  if ($endtime != $starttime) {   if ($endtime != $starttime) {
     my ($key,$value)=      my ($key,$value)=
  &Apache::lonnet::get('gradingqueue',["$todo"],   &Apache::lonnet::get($queue,["$todo"],
      $cdom,$cnum);       $cdom,$cnum);
     &Apache::lonnet::logthis("check  $key .. $value");      &Apache::lonnet::logthis("check  $key .. $value");
     if ($key eq $todo && ref($value)) {      if ($key eq $todo && ref($value)) {
     } else {      } else {
  &Apache::lonnet::del('gradingqueue',["$todo\0locked"],   &Apache::lonnet::del($queue,["$todo\0locked"],
      $cdom,$cnum);       $cdom,$cnum);
  &Apache::lonnet::logthis("del");   &Apache::lonnet::logthis("del");
  next;   next;
Line 663  sub start_Dimension { Line 817  sub start_Dimension {
 }  }
   
 sub get_instance {  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();      &Apache::response::pushrandomnumber();
     my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});      my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
     my $num=@order;      my $num=@order;
Line 719  sub get_instance { Line 870  sub get_instance {
     '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.      '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.
     '</td>'.      '</td>'.
     '<td>'.      '<td>'.
     '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').'/>Ungraded</label></nobr><br />'.      '<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" '.($status eq 'pass' ? 'checked="checked"':'').' />Pass</label><br />'.      '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
     '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />Fail</label><br />'.      '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
     '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />Review</label><br />'.      '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
     '</td>'.      '</td>'.
     '<td>'.      '<td>'.
     '<a href="#'.$last_link.'">Prev</a><br />'.      '<a href="#'.$last_link.'">Prev</a><br />'.
     '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.      '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
     '<input type="submit" name="next" value="'.      '<input type="submit" name="next" value="'.
     &mt('Done').'" /> '.      &mt('Done').'" /> '.
       '<input type="submit" name="stop" value="'.
       &mt('Stop').'" /> '.
     '</td></tr>';      '</td></tr>';
  $result.='<tr><td colspan="4">';   $result.='<tr><td colspan="4">';
  my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();   my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
Removed from v.1.29  
changed lines
  Added in v.1.32

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