[BACK]Return to slotrequest.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/slotrequest.pm between versions 1.3 and 1.29

version 1.3, 2005/06/04 07:44:48 version 1.29, 2005/11/08 03:13:20
Line 34  use Apache::Constants qw(:common :http : Line 34  use Apache::Constants qw(:common :http :
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
   use Date::Manip;
   
 sub fail {  sub fail {
     my ($r,$code)=@_;      my ($r,$code)=@_;
     if ($code eq 'not_valid') {      if ($code eq 'not_valid') {
  $r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>'.$env{'form.symb'});   $r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>');
   
       } elsif ($code eq 'not_allowed') {
    $r->print('<p>'.&mt('Not allowed to sign up or change reservations at this time.').'</p>');
       } else {
    $r->print('<p>'.&mt('Failed.').'</p>');
     }      }
       
     $r->print('<p><a href="/adm/flip?postdata=return:">'.      $r->print('<p><a href="/adm/flip?postdata=return:">'.
       &mt('Return to last resource').'</a></p>');        &mt('Return to last resource').'</a></p>');
     &end_page($r);      &end_page($r);
 }  }
   
 sub start_page {  sub start_page {
     my ($r)=@_;      my ($r,$title)=@_;
     my $html=&Apache::lonxml::xmlbegin();      my $html=&Apache::lonxml::xmlbegin();
     $r->print($html.'<head><title>'.      $r->print($html.'<head><title>'.&mt($title).'</title></head>');
       &mt('Request another Worktime').'</title></head>');      $r->print(&Apache::loncommon::bodytag($title));
     $r->print(&Apache::loncommon::bodytag('Requesting another Worktime'));  
 }  }
   
 sub end_page {  sub end_page {
Line 105  sub space_available { Line 110  sub space_available {
     return 0;      return 0;
 }  }
   
 # FIXME - depends on the parameter for the resource to be correct  sub check_for_reservation {
 #         tho prevent multiple reservations      my ($symb)=@_;
       my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
          $env{'user.domain'}, $env{'user.name'});
   
       my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
       $env{'user.domain'}, $env{'user.name'});
       my @slots = (split(/:/,$student), split(/:/, $course));
   
       &Apache::lonxml::debug(" slot list is ".join(':',@slots));
   
       my ($cnum,$cdom)=&get_course();
       my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
   
       foreach my $slot_name (@slots) {
    next if (!defined($slots{$slot_name}) ||
    !ref($slots{$slot_name}));
    &Apache::lonxml::debug(time." $slot_name ".
          $slots{$slot_name}->{'starttime'}." -- ".
          $slots{$slot_name}->{'startreserve'});
    if ($slots{$slot_name}->{'endtime'} > time &&
       $slots{$slot_name}->{'startreserve'} < time) {
       # between start of reservation times and end of slot
       return($slot_name, $slots{$slot_name});
    }
       }
       return (undef,undef);
   }
   
   sub check_for_conflict {
       my ($symb,$new_slot_name)=@_;
       my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
          $env{'user.domain'}, $env{'user.name'});
       my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
         $env{'user.domain'}, $env{'user.name'});
       my @slots = (split(/:/,$student), split(/:/, $course));
       my ($cnum,$cdom)=&get_course();
       my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
       foreach my $slot_name (@slots) {
    next if (!defined($slots{$slot_name}) ||
    !ref($slots{$slot_name}));
   
           next if (!defined($slots{$slot_name}->{'uniqueperiod'}) ||
    !ref($slots{$slot_name}->{'uniqueperiod'}));
    my ($start,$end)=@{$slots{$slot_name}->{'uniqueperiod'}};
    if ($start<time && time < $end) {
       return $slot_name;
    }
       }
       return undef;
   
   }
   
 sub make_reservation {  sub make_reservation {
     my ($slot_name,$slot,$symb)=@_;      my ($slot_name,$slot,$symb)=@_;
Line 136  sub make_reservation { Line 191  sub make_reservation {
   
     my (@ids)=&get_reservation_ids($slot_name);      my (@ids)=&get_reservation_ids($slot_name);
   
     # FIXME we could end up having holes...   
     my $last=0;      my $last=0;
     foreach my $id (@ids) {      foreach my $id (@ids) {
  my $num=(split('\0',$id))[1];   my $num=(split('\0',$id))[1];
Line 145  sub make_reservation { Line 199  sub make_reservation {
           
     my $wanted=$last+1;      my $wanted=$last+1;
     &Apache::lonxml::debug("wanted $wanted<br />");      &Apache::lonxml::debug("wanted $wanted<br />");
     if ($wanted >= $max) {      if (scalar(@ids) >= $max) {
  # full up   # full up
  return -1;   return undef;
     }      }
           
     my %reservation=('name'      => $env{'user.name'}.'@'.$env{'user.domain'},      my %reservation=('name'      => $env{'user.name'}.'@'.$env{'user.domain'},
Line 160  sub make_reservation { Line 214  sub make_reservation {
  $cdom, $cnum);   $cdom, $cnum);
   
     if ($success eq 'ok') {      if ($success eq 'ok') {
  #FIXME need to set the parm  
  my $new_value=$slot_name;   my $new_value=$slot_name;
  if ($value) {   if ($value) {
     $new_value=$value.':'.$new_value;      $new_value=$value.':'.$new_value;
Line 178  sub make_reservation { Line 231  sub make_reservation {
     return undef;      return undef;
 }  }
   
   sub release_slot {
       my ($r,$symb,$slot_name,$inhibit_return_link)=@_;
   
       if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
       my ($cnum,$cdom)=&get_course();
   
       # get parameter string, check for existance, rebuild string with the slot
          
       my @slots = split(/:/,&Apache::lonnet::EXT("resource.0.availablestudent",
          $symb,$env{'user.domain'},
          $env{'user.name'}));
       my @new_slots;
       foreach my $exist_slot (@slots) {
    if ($exist_slot eq $slot_name) { next; }
    push(@new_slots,$exist_slot);
       }
       my $new_param = join(':',@new_slots);
   
       # get slot reservations, check if user has one, if so remove reservation
       my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
          "^$slot_name\0");
       foreach my $entry (keys(%consumed)) {
    if ( $consumed{$entry}->{'name'} eq 
        ($env{'user.name'}.'@'.$env{'user.domain'}) ) {
       &Apache::lonnet::del('slot_reservations',[$entry],
    $cdom,$cnum);
    }
       }
       # store new parameter string
       my $result=&Apache::lonparmset::storeparm_by_symb($symb,
         '0_availablestudent',
         1, $new_param, 'string',
         $env{'user.name'},
         $env{'user.domain'});
       my %slot=&Apache::lonnet::get_slot($slot_name);
       my $description=&get_description($env{'form.slotname'},\%slot);
       $r->print("<p>Released Reservation: $description</p>");
       if (!$inhibit_return_link) {
    $r->print('<p><a href="/adm/flip?postdata=return:">'.
     &mt('Return to last resource').'</a></p>');
       }
       return 1;
   }
   
 sub get_slot {  sub get_slot {
     my ($r,$symb)=@_;      my ($r,$symb)=@_;
   
       my $slot_name=&check_for_conflict($symb,$env{'form.slotname'});
       if ($slot_name) {
    my %slot=&Apache::lonnet::get_slot($slot_name);
    my $description1=&get_description($slot_name,\%slot);
    %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
    my $description2=&get_description($env{'form.slotname'},\%slot);
    $r->print("<p>Already have a reservation: $description1</p>");
    if ($slot_name ne $env{'form.slotname'}) {
       $r->print(<<STUFF);
   <form method="POST" action="/adm/slotrequest">
      <input type="hidden" name="symb" value="$env{'form.symb'}" />
      <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
      <input type="hidden" name="releaseslot" value="$slot_name" />
      <input type="hidden" name="command" value="change" />
   STUFF
               $r->print("<p>You can either ");
       $r->print(<<STUFF);
      <input type="submit" name="change" value="Change" />
   STUFF
       $r->print(' your reservation from <b>'.$description1.'</b> to <b>'.
         $description2.
         '</b> <br />or <a href="/adm/flip?postdata=return:">'.
         &mt('Return to last resource').'</a></p>');
       $r->print(<<STUFF);
   </form>
   STUFF
           } else {
       $r->print('<p><a href="/adm/flip?postdata=return:">'.
         &mt('Return to last resource').'</a></p>');
    }
    return;
       }
     my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});      my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
     my $reserved=&make_reservation($env{'form.slotname'},      my $reserved=&make_reservation($env{'form.slotname'},
    \%slot,$symb);     \%slot,$symb);
     my $description=&get_description($env{'form.slotname'},\%slot);      my $description=&get_description($env{'form.slotname'},\%slot);
     if ($reserved > -1) {      if (defined($reserved)) {
  $r->print("<p>Success: $description</p>");   if ($reserved > -1) {
  $r->print('<p><a href="/adm/flip?postdata=return:">'.      $r->print("<p>Success: $description</p>");
   &mt('Return to last resource').'</a></p>');      $r->print('<p><a href="/adm/flip?postdata=return:">'.
  return;        &mt('Return to last resource').'</a></p>');
     } elsif ($reserved < 0) {      return;
  $r->print("<p>Already reserved: $description</p>");   } elsif ($reserved < 0) {
  $r->print('<p><a href="/adm/flip?postdata=return:">'.      $r->print("<p>Already reserved: $description</p>");
   &mt('Return to last resource').'</a></p>');      $r->print('<p><a href="/adm/flip?postdata=return:">'.
  return;        &mt('Return to last resource').'</a></p>');
       return;
    }
     }      }
   
     my %lt=('request'=>"Request another attempt",      my %lt=('request'=>"Availibility list",
     'try'    =>'Try again');      'try'    =>'Try again');
     %lt=&Apache::lonlocal::texthash(%lt);      %lt=&Apache::lonlocal::texthash(%lt);
   
Line 230  sub allowed_slot { Line 361  sub allowed_slot {
     my ($slot_name,$slot,$symb)=@_;      my ($slot_name,$slot,$symb)=@_;
     #already started      #already started
     if ($slot->{'starttime'} < time) {      if ($slot->{'starttime'} < time) {
  return 0;   # all open slot to be schedulable
    #return 0;
     }      }
       &Apache::lonxml::debug("$slot_name starttime good");
     #already ended      #already ended
     if ($slot->{'endtime'} < time) {      if ($slot->{'endtime'} < time) {
  return 0;   return 0;
     }      }
       &Apache::lonxml::debug("$slot_name endtime good");
     # not allowed to pick this one      # not allowed to pick this one
     if (defined($slot->{'type'})      if (defined($slot->{'type'})
  && $slot->{'type'} ne 'schedulable_student') {   && $slot->{'type'} ne 'schedulable_student') {
  return 0;   return 0;
     }      }
       &Apache::lonxml::debug("$slot_name type good");
     # not allowed for this resource      # not allowed for this resource
     if (defined($slot->{'symb'})      if (defined($slot->{'symb'})
  && $slot->{'symb'} ne $symb) {   && $slot->{'symb'} ne $symb) {
  return 0;   return 0;
     }      }
       &Apache::lonxml::debug("$slot_name symb good");
     return 1;      return 1;
 }  }
   
Line 257  sub get_description { Line 389  sub get_description {
     my ($slot_name,$slot)=@_;      my ($slot_name,$slot)=@_;
     my $description=$slot->{'description'};      my $description=$slot->{'description'};
     if (!defined($description)) {      if (!defined($description)) {
  $description=&mt('[_1] From [_2] to [_3]',$slot,   $description=&mt('[_1] From [_2] to [_3]',$slot_name,
  &Apache::lonlocal::locallocaltime($slot->{'starttime'}),   &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
  &Apache::lonlocal::locallocaltime($slot->{'endtime'}));   &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
     }      }
Line 271  sub show_choices { Line 403  sub show_choices {
     my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);      my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
     my $available;      my $available;
     $r->print('<table border="1">');      $r->print('<table border="1">');
       &Apache::lonxml::debug("Checking Slots");
       my ($got_slot)=&check_for_reservation($symb);
     foreach my $slot (sort       foreach my $slot (sort 
       { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }        { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
       (keys(%slots)))  {        (keys(%slots)))  {
   
    &Apache::lonxml::debug("Checking Slot $slot");
  next if (!&allowed_slot($slot,$slots{$slot}));   next if (!&allowed_slot($slot,$slots{$slot}));
   
  $available++;   $available++;
Line 282  sub show_choices { Line 417  sub show_choices {
  my $description=&get_description($slot,$slots{$slot});   my $description=&get_description($slot,$slots{$slot});
   
  my $form=&mt('Unavailable');   my $form=&mt('Unavailable');
  if (&space_available($slot,$slots{$slot},$symb)) {   if (($slot eq $got_slot) ||
       &space_available($slot,$slots{$slot},$symb)) {
       my $text=&mt('Select');
       my $command='get';
       if ($slot eq $got_slot) {
    $text=&mt('Free Reservation');
    $command='release';
       }
     my $escsymb=&Apache::lonnet::escape($symb);      my $escsymb=&Apache::lonnet::escape($symb);
     $form=<<STUFF;      $form=<<STUFF;
    <form method="POST" action="/adm/slotrequest">     <form method="POST" action="/adm/slotrequest">
      <input type="submit" name="Select" value="Select" />       <input type="submit" name="Select" value="$text" />
      <input type="hidden" name="symb" value="$escsymb" />       <input type="hidden" name="symb" value="$escsymb" />
      <input type="hidden" name="slotname" value="$slot" />       <input type="hidden" name="slotname" value="$slot" />
      <input type="hidden" name="command" value="get" />       <input type="hidden" name="command" value="$command" />
    </form>     </form>
 STUFF  STUFF
  }   }
Line 302  STUFF Line 444  STUFF
     }      }
   
     if (!$available) {      if (!$available) {
  $r->print('<tr><td>No avaliable times. <a href="/adm/flip?postdata=return:">'.   $r->print('<tr><td>No available times. <a href="/adm/flip?postdata=return:">'.
   &mt('Return to last resource').'</a></td></tr>');    &mt('Return to last resource').'</a></td></tr>');
     }      }
     $r->print('</table>');      $r->print('</table>');
 }  }
   
   sub show_table {
       my ($r,$mgr)=@_;
   
       my ($cnum,$cdom)=&get_course();
       my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
       if ( (keys(%slots))[0] =~ /^error: 2 /) {
    undef(%slots);
       } 
       my $available;
       if ($mgr eq 'F') {
    $r->print('<form method="POST" action="/adm/slotrequest">
   <input type="hidden" name="command" value="uploadstart" />
   <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
   </form>');
    $r->print('<form method="POST" action="/adm/helper/newslot.helper">
   <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
   </form>');
       }
       
       my %Saveable_Parameters = ('show' => 'array');
   
       &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
       &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
   
       my %fields=&Apache::lonlocal::texthash(
        'name'         => 'Slot Name',
        'description'  => 'Description',
        'type'         => 'Type',
        'starttime'    => 'Start time',
        'endtime'      => 'End Time',
                'startreserve' => 'Time students can start reserving',
        'secret'       => 'Secret Word',
        'maxspace'     => 'Maxium # of students',
        'ip'           => 'IP or DNS restrictions',
        'symb'         => 'Resource slot is restricted to.',
        'uniqueperiod' => 'Period of time slot is unique',
        'proctor'      => 'List of proctors');
       my @order=('name','description','type','starttime','endtime',
          'startreserve','secret','maxspace','ip','symb',
          'uniqueperiod','proctor');
       my @sel = 
    (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
                               : keys(%fields);
       my %sel =  map { $_ => 1 } (@sel);
   
       $r->print('<form method="POST" action="/adm/slotrequest">
   <input type="hidden" name="command" value="showslots" />
   <input type="submit" name="start" value="'.&mt('Change').'" />');
       $r->print('<table><tr><td>Show: '.&Apache::loncommon::multiple_select_form('show',\@sel,6,\%fields,\@order).
         '</td></tr></table>');
       my $linkstart='<a href="/adm/slotrequest?command=showslots&amp;order=';
       $r->print('<table border="1">
   <tr>
     <th></th>');
       foreach my $which (@order) {
    if ($which ne 'proctor' && exists($sel{$which})) {
       $r->print('<th>'.$linkstart.$which.'">'.$fields{$which}.'</a></th>');
    }
       }
       $r->print('<th>Scheduled Students</th></tr>');
   
       my %name_cache;
       my $slotsort = sub {
    if ($env{'form.order'}=~/^(type|description|endtime|startreserve|maxspace|ip|symb)$/) {
       if (lc($slots{$a}->{$env{'form.order'}})
    ne lc($slots{$b}->{$env{'form.order'}})) {
    return (lc($slots{$a}->{$env{'form.order'}}) 
    cmp lc($slots{$b}->{$env{'form.order'}}));
       }
    } elsif ($env{'form.order'} eq 'name') {
       if (lc($a) cmp lc($b)) {
    return lc($a) cmp lc($b);
       }
    } elsif ($env{'form.order'} eq 'uniqueperiod') {
       
       if ($slots{$a}->{'uniqueperiod'}[0] 
    ne $slots{$b}->{'uniqueperiod'}[0]) {
    return ($slots{$a}->{'uniqueperiod'}[0]
    cmp $slots{$b}->{'uniqueperiod'}[0]);
       }
       if ($slots{$a}->{'uniqueperiod'}[1] 
    ne $slots{$b}->{'uniqueperiod'}[1]) {
    return ($slots{$a}->{'uniqueperiod'}[1]
    cmp $slots{$b}->{'uniqueperiod'}[1]);
       }
    }
    return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
       };
       foreach my $slot (sort $slotsort (keys(%slots)))  {
    if (defined($slots{$slot}->{'type'})
       && $slots{$slot}->{'type'} ne 'schedulable_student') {
       #next;
    }
    my $description=&get_description($slot,$slots{$slot});
    my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
      "^$slot\0");
    my $ids;
    foreach my $entry (sort(keys(%consumed))) {
       my (undef,$id)=split("\0",$entry);
       $ids.= $id.'-> '.$consumed{$entry}->{'name'}.'<br />';
    }
    my $start=($slots{$slot}->{'starttime'}?
      &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
    my $end=($slots{$slot}->{'endtime'}?
    &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
    my $start_reserve=($slots{$slot}->{'startreserve'}?
      &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
   
    my $unique;
    if (ref($slots{$slot}{'uniqueperiod'})) {
       $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).','.
    localtime($slots{$slot}{'uniqueperiod'}[1]);
    }
    my $title;
    if (exists($slots{$slot}{'symb'})) {
       my (undef,undef,$res)=
    &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
       $res =   &Apache::lonnet::clutter($res);
       $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
       $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
    }
    my @proctors;
    my $rowspan=1;
    my $colspan=1;
    if (exists($sel{'proctor'})) {
       $rowspan=2;
       @proctors= map {
    my ($uname,$udom)=split(/@/,$_);
    my $fullname=$name_cache{$_};
    if (!defined($fullname)) {
       &Apache::lonnet::logthis("Gettign $uname $udom");
       $fullname = &Apache::loncommon::plainname($uname,$udom);
       $fullname =~s/\s/&nbsp;/g;
       $name_cache{$_} = $fullname;
    }
    &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
       } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
    }
    my $proctors=join(', ',@proctors);
   
    my $edit=(<<EDITFORM);
   <form method="POST" action="/adm/helper/newslot.helper">
     <input type="hidden" name="name" value="$slot" />
     <input type="submit" name="Edit" value="Edit" />
   </form>
   EDITFORM
    
           $r->print("<tr>\n<td rowspan=\"$rowspan\">$edit</td>\n");
    if (exists($sel{'name'})) {
       $colspan++;$r->print("<td>$slot</td>");
    }
    if (exists($sel{'type'})) {
       $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
    }
    if (exists($sel{'description'})) {
       $colspan++;$r->print("<td>$description</td>\n");
    }
    if (exists($sel{'starttime'})) {
       $colspan++;$r->print("<td>$start</td>\n");
    }
    if (exists($sel{'endtime'})) {
       $colspan++;$r->print("<td>$end</td>\n");
    }
    if (exists($sel{'startreserve'})) {
       $colspan++;$r->print("<td>$start_reserve</td>\n");
    }
    if (exists($sel{'secret'})) {
       $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
    }
    if (exists($sel{'maxspace'})) {
       $colspan++;$r->print("<td>$slots{$slot}{'maxspace'}</td>\n");
    }
    if (exists($sel{'ip'})) {
       $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
    }
    if (exists($sel{'symb'})) {
       $colspan++;$r->print("<td>$title</td>\n");
    }
    if (exists($sel{'uniqueperiod'})) {
       $colspan++;$r->print("<td>$unique</td>\n");
    }
    $colspan++;$r->print("<td>$ids</td>\n</tr>\n");
    if (exists($sel{'proctor'})) {
       $r->print(<<STUFF);
   <tr>
    <td colspan="$colspan">$proctors</td>
   </tr>
   STUFF
           }
       }
       $r->print('</table>');
   }
   
   sub upload_start {
       my ($r)=@_;    
       $r->print(&Apache::grades::checkforfile_js());
       my $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
       $result.='&nbsp;<b>'.
    &mt('Specify a file containing the slot definitions.').
    '</b></td></tr>'."\n";
       $result.='<tr bgcolor=#ffffe6><td>'."\n";
       my $upfile_select=&Apache::loncommon::upfile_select_html();
       my $ignore=&mt('Ignore First Line');
       $result.=<<ENDUPFORM;
   <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
   <input type="hidden" name="command" value="csvuploadmap" />
   $upfile_select
   <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Data" />
   <label><input type="checkbox" name="noFirstLine" />$ignore</label>
   </form>
   ENDUPFORM
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table>'."\n";
       $r->print($result);
   }
   
   sub csvuploadmap_header {
       my ($r,$datatoken,$distotal)= @_;
       my $javascript;
       if ($env{'form.upfile_associate'} eq 'reverse') {
    $javascript=&csvupload_javascript_reverse_associate();
       } else {
    $javascript=&csvupload_javascript_forward_associate();
       }
   
       my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
       my $ignore=&mt('Ignore First Line');
       $r->print(<<ENDPICK);
   <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
   <h3>Identify fields</h3>
   Total number of records found in file: $distotal <hr />
   Enter as many fields as you can. The system will inform you and bring you back
   to this page if the data selected is insufficient to create the slots.<hr />
   <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
   <label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
   <input type="hidden" name="associate"  value="" />
   <input type="hidden" name="datatoken"  value="$datatoken" />
   <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
   <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
   <input type="hidden" name="upfile_associate" 
                                          value="$env{'form.upfile_associate'}" />
   <input type="hidden" name="command"    value="csvuploadassign" />
   <hr />
   <script type="text/javascript" language="Javascript">
   $javascript
   </script>
   ENDPICK
       return '';
   
   }
   
   sub csvuploadmap_footer {
       my ($request,$i,$keyfields) =@_;
       $request->print(<<ENDPICK);
   </table>
   <input type="hidden" name="nfields" value="$i" />
   <input type="hidden" name="keyfields" value="$keyfields" />
   <input type="button" onClick="javascript:verify(this.form)" value="Create Slots" /><br />
   </form>
   ENDPICK
   }
   
   sub csvupload_javascript_reverse_associate {
       my $error1=&mt('You need to specify the name, starttime, endtime and a type');
       return(<<ENDPICK);
     function verify(vf) {
       var foundstart=0;
       var foundend=0;
       var foundname=0;
       var foundtype=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (i==0 && tw!=0) { foundname=1; }
         if (i==1 && tw!=0) { foundtype=1; }
         if (i==2 && tw!=0) { foundstat=1; }
         if (i==3 && tw!=0) { foundend=1; }
       }
       if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
    alert('$error1');
    return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
     }
   ENDPICK
   }
   
   sub csvupload_javascript_forward_associate {
       my $error1=&mt('You need to specify the name, starttime, endtime and a type');
     return(<<ENDPICK);
     function verify(vf) {
       var foundstart=0;
       var foundend=0;
       var foundname=0;
       var foundtype=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (tw==1) { foundname=1; }
         if (tw==2) { foundtype=1; }
         if (tw==3) { foundstat=1; }
         if (tw==4) { foundend=1; }
       }
       if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
    alert('$error1');
    return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
     }
   ENDPICK
   }
   
   sub csv_upload_map {
       my ($r)= @_;
   
       my $datatoken;
       if (!$env{'form.datatoken'}) {
    $datatoken=&Apache::loncommon::upfile_store($r);
       } else {
    $datatoken=$env{'form.datatoken'};
    &Apache::loncommon::load_tmp_file($r);
       }
       my @records=&Apache::loncommon::upfile_record_sep();
       if ($env{'form.noFirstLine'}) { shift(@records); }
       &csvuploadmap_header($r,$datatoken,$#records+1);
       my ($i,$keyfields);
       if (@records) {
    my @fields=&csvupload_fields();
   
    if ($env{'form.upfile_associate'} eq 'reverse') {
       &Apache::loncommon::csv_print_samples($r,\@records);
       $i=&Apache::loncommon::csv_print_select_table($r,\@records,
     \@fields);
       foreach (@fields) { $keyfields.=$_->[0].','; }
       chop($keyfields);
    } else {
       unshift(@fields,['none','']);
       $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
       \@fields);
       my %sone=&Apache::loncommon::record_sep($records[0]);
       $keyfields=join(',',sort(keys(%sone)));
    }
       }
       &csvuploadmap_footer($r,$i,$keyfields);
   
       return '';
   }
   
   sub csvupload_fields {
       return (['name','Slot name'],
       ['type','Type of slot'],
       ['starttime','Start Time of slot'],
       ['endtime','End Time of slot'],
       ['startreserve','Reservation Start Time'],
       ['ip','IP or DNS restriction'],
       ['proctor','List of proctor ids'],
       ['description','Slot Description'],
       ['maxspace','Maximum number of reservations'],
       ['symb','Resource Restriction'],
       ['uniqueperiod','Date range of slot exclusion'],
       ['secret','Secret word proctor uses to validate']);
   }
   
   sub csv_upload_assign {
       my ($r,$mgr)= @_;
       &Apache::loncommon::load_tmp_file($r);
       my @slotdata = &Apache::loncommon::upfile_record_sep();
       if ($env{'form.noFirstLine'}) { shift(@slotdata); }
       my %fields=&Apache::grades::get_fields();
       $r->print('<h3>Creating Slots</h3>');
       my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
       my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
       my $countdone=0;
       foreach my $slot (@slotdata) {
    my %slot;
    my %entries=&Apache::loncommon::record_sep($slot);
    my $domain;
    my $name=$entries{$fields{'name'}};
    if ($entries{$fields{'type'}}) {
       $slot{'type'}=$entries{$fields{'type'}};
    } else {
       $slot{'type'}='preassigned';
    }
    if ($entries{$fields{'starttime'}}) {
       $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
    }
    if ($entries{$fields{'endtime'}}) {
       $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
    }
    if ($entries{$fields{'startreserve'}}) {
       $slot{'startreserve'}=
    &UnixDate($entries{$fields{'startreserve'}},"%s");
    }
    foreach my $key ('ip','proctor','description','maxspace',
    'secret','symb') {
       if ($entries{$fields{$key}}) {
    $slot{$key}=$entries{$fields{$key}};
       }
    }
    if ($entries{$fields{'uniqueperiod'}}) {
       my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
       my @times=(&UnixDate($start,"%s"),
          &UnixDate($end,"%s"));
       $slot{'uniqueperiod'}=\@times;
    }
   
    &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
    $r->print('.');
    $r->rflush();
    $countdone++;
       }
       $r->print("<br />Created $countdone slots\n");
       $r->print("<br />\n");
       &show_table($r,$mgr);
       return '';
   }
   
 sub handler {  sub handler {
     my $r=shift;      my $r=shift;
   
     &start_page($r);      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
     my $symb=&Apache::lonnet::unescape($env{'form.symb'});  
     my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);  
     if ($res !~ /\.task$/) {  
  &fail($r,'not_valid');  
  return OK;  
     }  
           
     if ($env{'form.requestattempt'}) {      my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
  &show_choices($r,$symb);      my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
     } elsif ($env{'form.command'} eq 'get') {      my $title='Requesting Another Worktime';
  &get_slot($r,$symb);      if ($env{'form.command'} =~ /^(showslots|uploadstart|csvuploadmap|csvuploadassign)$/ && $vgr eq 'F') {
    $title = 'Managing Slots';
       }
       &start_page($r,$title);
   
       if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
    &show_table($r,$mgr);
       } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
    &upload_start($r);
       } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
    &csv_upload_map($r);
       } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
    if ($env{'form.associate'} ne 'Reverse Association') {
       &csv_upload_assign($r,$mgr);
    } else {
       if ( $env{'form.upfile_associate'} ne 'reverse' ) {
    $env{'form.upfile_associate'} = 'reverse';
       } else {
    $env{'form.upfile_associate'} = 'forward';
       }
       &csv_upload_map($r);
    }
       } else {
    my $symb=&Apache::lonnet::unescape($env{'form.symb'});
    my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
    if ($res !~ /\.task$/) {
       &fail($r,'not_valid');
       return OK;
    }
    $env{'request.symb'}=$symb;
    my ($status) = &Apache::lonhomework::check_task_access('0');
    if ($status eq 'CAN_ANSWER' ||
       $status eq 'NEEDS_CHECKIN' ||
       $status eq 'WAITING_FOR_GRADE') {
       &fail($r,'not_allowed');
       return OK;
    }
    if ($env{'form.requestattempt'}) {
       &show_choices($r,$symb);
    } elsif ($env{'form.command'} eq 'release') {
       &release_slot($r,$symb);
    } elsif ($env{'form.command'} eq 'get') {
       &get_slot($r,$symb);
    } elsif ($env{'form.command'} eq 'change') {
       &release_slot($r,$symb,$env{'form.releaseslot'},1);
       &get_slot($r,$symb);
    } else {
       $r->print("<p>Unknown command: ".$env{'form.command'}."</p>");
    }
     }      }
     &end_page($r);      &end_page($r);
     return OK;      return OK;
Removed from v.1.3  
changed lines
  Added in v.1.29

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