--- loncom/interface/slotrequest.pm 2005/09/09 18:27:56 1.13 +++ loncom/interface/slotrequest.pm 2020/04/08 20:06:59 1.125.2.3.4.2 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Handler for requesting to have slots added to a students record # -# $Id: slotrequest.pm,v 1.13 2005/09/09 18:27:56 albertel Exp $ +# $Id: slotrequest.pm,v 1.125.2.3.4.2 2020/04/08 20:06:59 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -34,35 +34,238 @@ use Apache::Constants qw(:common :http : use Apache::loncommon(); use Apache::lonlocal; use Apache::lonnet; +use Apache::lonnavmaps(); +use Date::Manip; +use lib '/home/httpd/lib/perl/'; +use LONCAPA qw(:DEFAULT :match); 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 { $r->print('

'.&mt('Failed.').'

'); } - $r->print('

'. - &mt('Return to last resource').'

'); + &return_link($r); &end_page($r); } sub start_page { - my ($r)=@_; - my $html=&Apache::lonxml::xmlbegin(); - $r->print($html.''. - &mt('Request another Worktime').''); - $r->print(&Apache::loncommon::bodytag('Requesting another Worktime')); + my ($r,$title,$brcrum,$js)=@_; + my $args; + if (ref($brcrum) eq 'ARRAY') { + $args = {bread_crumbs => $brcrum}; + } + if (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) { + my %loaditems = ( + onload => 'javascript:uncheckSlotRadio();', + ); + if (ref($args) eq 'HASH') { + $args->{'add_entries'} = \%loaditems; + } else { + $args = { 'add_entries' => \%loaditems }; + } + } + $r->print(&Apache::loncommon::start_page($title,$js,$args)); } sub end_page { my ($r)=@_; - $r->print(&Apache::loncommon::endbodytag().''); + $r->print(&Apache::loncommon::end_page()); +} + +sub reservation_js { + my ($slots,$consumed_uniqueperiods,$available,$got_slots,$symb) = @_; + return unless ((ref($slots) eq 'HASH') && (ref($available) eq 'ARRAY')); + my $toskip; + if ($symb eq '') { + $toskip = { symb => 1, }; + } + my ($i,$j) = (0,0); + my $js; + foreach my $slot (sort + { return $slots->{$a}->{'starttime'} <=> $slots->{$b}->{'starttime'} } + (keys(%{$slots}))) { + + next if (!&allowed_slot($slot,$slots->{$slot},$symb,$slots, + $consumed_uniqueperiods,$toskip)); + $js .= " slotstart[$i]='$slots->{$slot}->{'starttime'}';\n". + " slotend[$i]='$slots->{$slot}->{'endtime'}';\n". + " slotname[$i]='$slot';\n"; + if (($symb) && (ref($got_slots) eq 'ARRAY')) { + if (grep(/^\Q$slot\E$/,@{$got_slots})) { + $js .= " currslot[$j]='$slot';\n"; + $j++; + } + } + $i++; + push(@{$available},$slot); + } + if ($j) { + $js = " var currslot = new Array($j);\n\n$js"; + } + my %alerts = &Apache::lonlocal::texthash ( + none => 'No reservable time slots found', + invalid => 'Invalid date format', + ); + return <<"ENDSCRIPT"; + +ENDSCRIPT + +} + =pod @@ -76,7 +279,7 @@ 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,$cdom); @@ -89,7 +292,9 @@ sub get_reservation_ids { my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum, "^$slot_name\0"); - + if (&Apache::lonnet::error(%consumed)) { + return 'error: Unable to determine current status'; + } my ($tmp)=%consumed; if ($tmp=~/^error: 2 / ) { return 0; @@ -111,10 +316,9 @@ sub space_available { } sub check_for_reservation { - my ($symb)=@_; + my ($symb,$mode)=@_; 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(/:/, $course)); @@ -124,59 +328,150 @@ sub check_for_reservation { my ($cnum,$cdom)=&get_course(); my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum); - foreach my $slot_name (@slots) { + if (&Apache::lonnet::error($student) + || &Apache::lonnet::error($course) + || &Apache::lonnet::error(%slots)) { + return 'error: Unable to determine current status'; + } + my @got; + my @sorted_slots = &Apache::loncommon::sorted_slots(\@slots,\%slots,'starttime'); + foreach my $slot_name (@sorted_slots) { next if (!defined($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}); + $slots{$slot_name}->{'startreserve'}." -- ". + $slots{$slot_name}->{'endreserve'}); + if (($slots{$slot_name}->{'endtime'} > time) && + ($slots{$slot_name}->{'startreserve'} < time) && + ((!$slots{$slot_name}->{'endreserve'}) || + ($slots{$slot_name}->{'endreserve'} > time))) { + # between start of reservation time and end of reservation time + # and before end of slot + if ($mode eq 'allslots') { + push(@got,$slot_name); + } else { + return($slot_name, $slots{$slot_name}); + } } } + if ($mode eq 'allslots' && @got) { + return @got; + } return (undef,undef); } +sub get_consumed_uniqueperiods { + my ($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; + foreach my $problem (@problems) { + my $symb = $problem->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'}, + $env{'user.name'}); + if (&Apache::lonnet::error($student) + || &Apache::lonnet::error($course)) { + return 'error: Unable to determine current status'; + } + foreach my $slot (split(/:/,$student), split(/:/, $course)) { + $used_slots{$slot}=1; + } + } + + if (!ref($slots)) { + my ($cnum,$cdom)=&get_course(); + my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum); + if (&Apache::lonnet::error(%slots)) { + return 'error: Unable to determine current status'; + } + $slots = \%slots; + } + + my %consumed_uniqueperiods; + foreach my $slot_name (keys(%used_slots)) { + next if (!defined($slots->{$slot_name}) || + !ref($slots->{$slot_name})); + + next if (!defined($slots->{$slot_name}{'uniqueperiod'}) || + !ref($slots->{$slot_name}{'uniqueperiod'})); + $consumed_uniqueperiods{$slot_name} = + $slots->{$slot_name}{'uniqueperiod'}; + } + return \%consumed_uniqueperiods; +} + 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{$slot_name})); + my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_; + + if (!defined($new_slot->{'uniqueperiod'})) { return undef; } - next if (!defined($slots{$slot_name}->{'uniqueperiod'}) || - !ref($slots{$slot_name}->{'uniqueperiod'})); - my ($start,$end)=@{$slots{$slot_name}->{'uniqueperiod'}}; - if ($start