--- loncom/interface/slotrequest.pm 2006/04/10 07:37:16 1.57 +++ loncom/interface/slotrequest.pm 2009/05/17 21:03:16 1.88.2.1 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Handler for requesting to have slots added to a students record # -# $Id: slotrequest.pm,v 1.57 2006/04/10 07:37:16 albertel Exp $ +# $Id: slotrequest.pm,v 1.88.2.1 2009/05/17 21:03:16 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,12 +36,15 @@ use Apache::lonlocal; use Apache::lonnet; use Apache::lonnavmaps(); use Date::Manip; +use lib '/home/httpd/lib/perl/'; +use LONCAPA; sub fail { my ($r,$code)=@_; if ($code eq 'not_valid') { $r->print('
'.&mt('Unable to understand what resource you wanted to sign up for.').'
'); - + } elsif ($code eq 'not_available') { + $r->print(''.&mt('No slots are available.').'
'); } elsif ($code eq 'not_allowed') { $r->print(''.&mt('Not allowed to sign up or change reservations at this time.').'
'); } else { @@ -74,7 +77,7 @@ sub end_page { =cut sub get_course { - (undef,my $courseid)=&Apache::lonxml::whichuser(); + (undef,my $courseid)=&Apache::lonnet::whichuser(); my $cdom=$env{'course.'.$courseid.'.domain'}; my $cnum=$env{'course.'.$courseid.'.num'}; return ($cnum,$cdom); @@ -87,7 +90,7 @@ sub get_reservation_ids { my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum, "^$slot_name\0"); - if (&network_error(%consumed)) { + if (&Apache::lonnet::error(%consumed)) { return 'error: Unable to determine current status'; } my ($tmp)=%consumed; @@ -124,8 +127,9 @@ sub check_for_reservation { my ($cnum,$cdom)=&get_course(); my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum); - if (&network_error($student) || &network_error($course) || - &network_error(%slots)) { + if (&Apache::lonnet::error($student) + || &Apache::lonnet::error($course) + || &Apache::lonnet::error(%slots)) { return 'error: Unable to determine current status'; } my @got; @@ -161,6 +165,9 @@ sub check_for_reservation { sub get_consumed_uniqueperiods { my ($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; @@ -172,7 +179,8 @@ sub get_consumed_uniqueperiods { my $course = &Apache::lonnet::EXT("resource.0.available", $symb, $env{'user.domain'}, $env{'user.name'}); - if (&network_error($student) || &network_error($course)) { + if (&Apache::lonnet::error($student) + || &Apache::lonnet::error($course)) { return 'error: Unable to determine current status'; } foreach my $slot (split(/:/,$student), split(/:/, $course)) { @@ -183,7 +191,7 @@ sub get_consumed_uniqueperiods { if (!ref($slots)) { my ($cnum,$cdom)=&get_course(); my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum); - if (&network_error(%slots)) { + if (&Apache::lonnet::error(%slots)) { return 'error: Unable to determine current status'; } $slots = \%slots; @@ -209,9 +217,13 @@ sub check_for_conflict { if (!ref($consumed_uniqueperiods)) { $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots); - if (&network_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'}}; @@ -224,15 +236,6 @@ sub check_for_conflict { } } return undef; - -} - -sub network_error { - my ($result) = @_; - if ($result =~ /^(con_lost|no_such_host|error: [^2])/) { - return 1; - } - return 0; } sub make_reservation { @@ -243,15 +246,29 @@ sub make_reservation { my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb, $env{'user.domain'},$env{'user.name'}); &Apache::lonxml::debug("value is $value".&mt('A network error has occured.').'
'); + if (&Apache::lonnet::error(%consumed)) { + $r->print("".&mt('A network error has occurred.').'
'); return; } if (!%consumed) { - $r->print("".&mt('Slot [_1] has no reservations.', - $slot_name)."
"); + $r->print(''.&mt('Slot [_1] has no reservations.', + ''.$slot_name.'').'
'); return; } @@ -369,13 +387,13 @@ sub remove_registration_confirmation { 'no' => 'No',); $r->print(<<"END_CONFIRM");$msg
- - @@ -401,7 +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(); } $r->print(''.
@@ -422,12 +444,16 @@ sub release_slot {
if ($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(" $msg '.&mt($msg).' $msg
-or
-
' + .&mt('Slot: [_1] has unknown status.',$description) + .' |
Created $countdone slots\n
"); + $r->print(''.&mt('Created [quant,_1,slot]',$countdone)."\n".'
'); foreach my $error (@errors) { - $r->print("$error\n
"); + $r->print(''.$error.'
'."\n"); } &show_table($r,$mgr); return ''; @@ -1498,11 +1671,17 @@ sub handler { &csv_upload_map($r); } } else { - my $symb=&Apache::lonnet::unescape($env{'form.symb'}); + my $symb=&unescape($env{'form.symb'}); + if (!defined($symb)) { + &fail($r,'not_valid'); + return OK; + } my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb); my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb); - if ($useslots ne 'resource') { - &fail($r,'not_valid'); + if ($useslots ne 'resource' + && $useslots ne 'map' + && $useslots ne 'map_map') { + &fail($r,'not_available'); return OK; } $env{'request.symb'}=$symb; @@ -1522,11 +1701,11 @@ 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'}."
"); + $r->print(''.&mt('Unknown command: [_1]',$env{'form.command'}).'
'); } } &end_page($r);