--- loncom/interface/slotrequest.pm 2006/10/17 15:11:26 1.69 +++ loncom/interface/slotrequest.pm 2009/01/23 21:34:47 1.86 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Handler for requesting to have slots added to a students record # -# $Id: slotrequest.pm,v 1.69 2006/10/17 15:11:26 albertel Exp $ +# $Id: slotrequest.pm,v 1.86 2009/01/23 21:34:47 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -165,6 +165,9 @@ sub check_for_reservation { sub get_consumed_uniqueperiods { my ($slots) = @_; my $navmap=Apache::lonnavmaps::navmap->new; + if (!defined($navmap)) { + return 'error: Unable to determine current status'; + } my @problems = $navmap->retrieveResources(undef, sub { $_[0]->is_problem() },1,0); my %used_slots; @@ -214,9 +217,13 @@ sub check_for_conflict { if (!ref($consumed_uniqueperiods)) { $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots); - if (&Apache::lonnet::error(%$consumed_uniqueperiods)) { - return 'error: Unable to determine current status'; - } + if (ref($consumed_uniqueperiods) eq 'HASH') { + if (&Apache::lonnet::error(%$consumed_uniqueperiods)) { + return 'error: Unable to determine current status'; + } + } else { + return 'error: Unable to determine current status'; + } } my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}}; @@ -229,7 +236,6 @@ sub check_for_conflict { } } return undef; - } sub make_reservation { @@ -241,7 +247,8 @@ sub make_reservation { $env{'user.domain'},$env{'user.name'}); &Apache::lonxml::debug("value is $value
"); - my $use_slots = &Apache::lonnet::EXT("resource.0.useslots"); + my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",$symb, + $env{'user.domain'},$env{'user.name'}); &Apache::lonxml::debug("use_slots is $use_slots
"); if (&Apache::lonnet::error($value) @@ -334,7 +341,7 @@ sub remove_registration { my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum, "^$slot_name\0"); if (&Apache::lonnet::error(%consumed)) { - $r->print("

".&mt('A network error has occured.').'

'); + $r->print("

".&mt('A network error has occurred.').'

'); return; } if (!%consumed) { @@ -412,7 +419,11 @@ sub release_all_slot { my ($result,$msg) = &release_reservation($slot_name,$uname,$udom, $consumed{$entry}{'symb'},$mgr); - $r->print("

$msg

"); + if (!$result) { + $r->print('

'.&mt($msg).'

'); + } else { + $r->print("

$msg

"); + } $r->rflush(); } $r->print('

'. @@ -433,12 +444,16 @@ sub release_slot { if ($mgr eq 'F' && defined($env{'form.symb'})) { - $symb = $env{'form.symb'}; + $symb = &unescape($env{'form.symb'}); } my ($result,$msg) = &release_reservation($slot_name,$uname,$udom,$symb,$mgr); - $r->print("

$msg

"); + if (!$result) { + $r->print('

'.&mt($msg).'

'); + } else { + $r->print("

$msg

"); + } if ($mgr eq 'F') { $r->print('

'. @@ -459,9 +474,25 @@ sub release_reservation { return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description)); } } + + # if the reservation symb is for a map get a resource in that map + # to check slot parameters on + my $navmap=Apache::lonnavmaps::navmap->new; + if (!defined($navmap)) { + return (0,'error: Unable to determine current status'); + } + my $passed_resource = $navmap->getBySymb($symb); + if ($passed_resource->is_map()) { + my ($a_resource) = + $navmap->retrieveResources($passed_resource, + sub {$_[0]->is_problem()},0,1); + $symb = $a_resource->symb(); + } + # get parameter string, check for existance, rebuild string with the slot - my @slots = split(/:/,&Apache::lonnet::EXT("resource.0.availablestudent", - $symb,$udom,$uname)); + my $student = &Apache::lonnet::EXT("resource.0.availablestudent", + $symb,$udom,$uname); + my @slots = split(/:/,$student); my @new_slots; foreach my $exist_slot (@slots) { @@ -482,7 +513,8 @@ sub release_reservation { } } - my $use_slots = &Apache::lonnet::EXT("resource.0.useslots"); + my $use_slots = &Apache::lonnet::EXT("resource.0.useslots", + $symb,$udom,$uname); &Apache::lonxml::debug("use_slots is $use_slots
"); if (&Apache::lonnet::error($use_slots)) { @@ -527,7 +559,7 @@ sub delete_slot { if ($ret eq 'ok') { $r->print("

Slot $slot_name marked as deleted.

"); } else { - $r->print("

An error ($ret) occurse when attempting to delete Slot $slot_name.

"); + $r->print("

An error ($ret) occurse when attempting to delete Slot $slot_name.

"); } } else { if (%consumed) { @@ -548,17 +580,19 @@ sub return_link { } sub get_slot { - my ($r,$symb)=@_; + my ($r,$symb,$conflictable_slot,$inhibit_return_link)=@_; my %slot=&Apache::lonnet::get_slot($env{'form.slotname'}); my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot); if ($slot_name =~ /^error: (.*)/) { - $r->print("

An error occured while attempting to make a reservation. ($1)

"); + $r->print('

' + .&mt('An error occurred while attempting to make a reservation. ([_1])',$1) + .'

'); &return_link($r); - return; + return 0; } - if ($slot_name) { + if ($slot_name && $slot_name ne $conflictable_slot) { my %slot=&Apache::lonnet::get_slot($slot_name); my $description1=&get_description($slot_name,\%slot); %slot=&Apache::lonnet::get_slot($env{'form.slotname'}); @@ -586,36 +620,46 @@ STUFF } else { &return_link($r); } - return; + return 0; } my $reserved=&make_reservation($env{'form.slotname'}, \%slot,$symb); my $description=&get_description($env{'form.slotname'},\%slot); if (defined($reserved)) { + my $retvalue = 0; if ($slot_name =~ /^error: (.*)/) { - $r->print("

An error occured while attempting to make a reservation. ($1)

"); + $r->print('

' + .&mt('An error occurred while attempting to make a reservation. ([_1])',$1) + .'

'); } elsif ($reserved > -1) { $r->print("

Success: $description

"); + $retvalue = 1; } elsif ($reserved < 0) { $r->print("

Already reserved: $description

"); } - &return_link($r); - return; + if (!$inhibit_return_link) { &return_link($r); } + return 1; } my %lt=('request'=>"Availibility list", 'try' =>'Try again'); %lt=&Apache::lonlocal::texthash(%lt); + my $extra_input; + if ($conflictable_slot) { + $extra_input=''; + } + $r->print(< Failed to reserve a spot for $description.

+

Failed to reserve a spot for $description.

- + + $extra_input
?

@@ -629,8 +673,8 @@ or or STUFF - &return_link($r); - return; + if (!$inhibit_return_link) { &return_link($r); } + return 0; } sub allowed_slot { @@ -638,8 +682,7 @@ sub allowed_slot { #already started if ($slot->{'starttime'} < time) { - # all open slot to be schedulable - #return 0; + return 0; } &Apache::lonxml::debug("$slot_name starttime good"); @@ -711,7 +754,9 @@ sub allowed_slot { my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots, $consumed_uniqueperiods); - if ($conflict) { + if ($conflict =~ /^error: /) { + return 0; + } elsif ($conflict ne '') { if ($slots->{$conflict}{'starttime'} < time) { return 0; } @@ -737,10 +782,29 @@ sub show_choices { my ($cnum,$cdom)=&get_course(); my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum); my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots); + if (ref($consumed_uniqueperiods) eq 'HASH') { + if (&Apache::lonnet::error(%$consumed_uniqueperiods)) { + $r->print(''. + &mt('An error occurred determining slot availability'). + ''); + return; + } + } elsif ($consumed_uniqueperiods =~ /^error: /) { + $r->print(''. + &mt('An error occurred determining slot availability'). + ''); + return; + } my $available; - $r->print(''); &Apache::lonxml::debug("Checking Slots"); my @got_slots=&check_for_reservation($symb,'allslots'); + if ($got_slots[0] =~ /^error: /) { + $r->print(''. + &mt('An error occurred determining slot availability'). + ''); + return; + } + $r->print('
'); foreach my $slot (sort { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} } (keys(%slots))) { @@ -759,16 +823,22 @@ sub show_choices { my $text=&mt('Select'); my $command='get'; if (grep(/^\Q$slot\E$/,@got_slots)) { - $text=&mt('Free Reservation'); + $text=&mt('Drop Reservation'); $command='release'; } else { my $conflict = &check_for_conflict($symb,$slot,$slots{$slot}, \%slots, $consumed_uniqueperiods); - if ($conflict) { - $text=&mt('Change Reservation'); - $command='get'; - } + if ($conflict) { + if ($conflict =~ /^error: /) { + $r->print(''); + } else { + $text=&mt('Change Reservation'); + $command='get'; + } + } } my $escsymb=&escape($symb); $form=<print(&Apache::loncommon::help_open_topic('Slot About', 'Help on slots')); + $r->print('
'); $r->print('
'); + $r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited')); $r->print('
'); + $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface')); $r->print('
'); } @@ -927,7 +1002,7 @@ sub show_table { 'endtime' => 'End Time', 'startreserve' => 'Time students can start reserving', 'secret' => 'Secret Word', - 'maxspace' => 'Maximum # of students', + 'space' => '# of students/max', 'ip' => 'IP or DNS restrictions', 'symb' => 'Resource slot is restricted to.', 'allowedsections' => 'Sections slot is restricted to.', @@ -936,7 +1011,7 @@ sub show_table { 'scheduled' => 'Scheduled Students', 'proctor' => 'List of proctors'); my @show_order=('name','description','type','starttime','endtime', - 'startreserve','secret','maxspace','ip','symb', + 'startreserve','secret','space','ip','symb', 'allowedsections','allowedusers','uniqueperiod', 'scheduled','proctor'); my @show = @@ -1048,12 +1123,16 @@ sub show_table { my %name_cache; my $slotsort = sub { - if ($env{'form.order'}=~/^(type|description|endtime|startreserve|maxspace|ip|symb|allowedsections|allowedusers)$/) { + if ($env{'form.order'}=~/^(type|description|endtime|startreserve|ip|symb|allowedsections|allowedusers)$/) { if (lc($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 'space') { + if ($slots{$a}{'maxspace'} ne $slots{$b}{'maxspace'}) { + return ($slots{$a}{'maxspace'} cmp $slots{$b}{'maxspace'}); + } } elsif ($env{'form.order'} eq 'name') { if (lc($a) cmp lc($b)) { return lc($a) cmp lc($b); @@ -1073,6 +1152,14 @@ sub show_table { } return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'}; }; + + my %consumed; + if (exists($show{'scheduled'}) || exists($show{'space'}) ) { + %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum); + my ($tmp)=%consumed; + if ($tmp =~ /^error: /) { undef(%consumed); } + } + foreach my $slot (sort $slotsort (keys(%slots))) { if (!&to_show($slot,$slots{$slot},$when, $env{'form.deleted'},$name_filter)) { next; } @@ -1081,18 +1168,19 @@ sub show_table { #next; } my $description=&get_description($slot,$slots{$slot}); - my $ids; - if (exists($show{'scheduled'})) { - my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum, - "^$slot\0"); - my ($tmp)=%consumed; - if ($tmp !~ /^error: /) { + my ($id_count,$ids); + + if (exists($show{'scheduled'}) || exists($show{'space'}) ) { + my $re_str = "$slot\0"; + my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed)); + $id_count = scalar(@this_slot); + if (exists($show{'scheduled'})) { foreach my $entry (sort { $consumed{$a}{name} cmp $consumed{$b}{name} } - (keys(%consumed))) { + (@this_slot)) { my (undef,$id)=split("\0",$entry); my ($uname,$udom) = split(':',$consumed{$entry}{'name'}); - $ids.= ''; + $ids.= ''; foreach my $item (@stu_display_order) { if ($stu_display{$item}) { if ($item eq 'fullname') { @@ -1103,7 +1191,7 @@ sub show_table { } } $ids.=&remove_link($slot,$entry,$uname,$udom, - $consumed{$entry}{'symb'}).'
'; + $consumed{$entry}{'symb'}).'
'; } } } @@ -1211,8 +1299,15 @@ DELETELINK if (exists($show{'secret'})) { $colspan++;$r->print("\n"); } - if (exists($show{'maxspace'})) { - $colspan++;$r->print("\n"); + if (exists($show{'space'})) { + my $display = $id_count; + if ($slots{$slot}{'maxspace'}>0) { + $display.='/'.$slots{$slot}{'maxspace'}; + if ($slots{$slot}{'maxspace'} <= $id_count) { + $display = ''.$display.' (full) '; + } + } + $colspan++;$r->print("\n"); } if (exists($show{'ip'})) { $colspan++;$r->print("\n"); @@ -1278,9 +1373,11 @@ sub csvuploadmap_header { my $checked=(($env{'form.noFirstLine'})?' checked="checked"':''); my $ignore=&mt('Ignore First Line'); + my $help_field = &Apache::loncommon::help_open_topic('Slot SelectingField'); + $r->print(< -

Identify fields

+

Identify fields $help_field

Total number of records found in file: $distotal
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.
@@ -1514,7 +1611,7 @@ sub csv_upload_assign { } $r->print("

Created $countdone slots\n

"); foreach my $error (@errors) { - $r->print("

$error\n

"); + $r->print("

$error

\n"); } &show_table($r,$mgr); return ''; @@ -1598,8 +1695,8 @@ sub handler { } elsif ($env{'form.command'} eq 'get') { &get_slot($r,$symb); } elsif ($env{'form.command'} eq 'change') { - if (&release_slot($r,$symb,$env{'form.releaseslot'},1)) { - &get_slot($r,$symb); + if (&get_slot($r,$symb,$env{'form.releaseslot'},1)) { + &release_slot($r,$symb,$env{'form.releaseslot'}); } } else { $r->print("

Unknown command: ".$env{'form.command'}."

");
' + .&mt('Slot: [_1] has unknown status.',$description) + .'
$slots{$slot}{'secret'}$slots{$slot}{'maxspace'}$display$slots{$slot}{'ip'}