--- loncom/interface/slotrequest.pm 2009/03/20 10:05:08 1.90 +++ loncom/interface/slotrequest.pm 2012/06/09 15:41:26 1.113 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Handler for requesting to have slots added to a students record # -# $Id: slotrequest.pm,v 1.90 2009/03/20 10:05:08 bisitz Exp $ +# $Id: slotrequest.pm,v 1.113 2012/06/09 15:41:26 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -56,8 +56,12 @@ sub fail { } sub start_page { - my ($r,$title)=@_; - $r->print(&Apache::loncommon::start_page($title)); + my ($r,$title,$brcrum)=@_; + my $args; + if (ref($brcrum) eq 'ARRAY') { + $args = {bread_crumbs => $brcrum}; + } + $r->print(&Apache::loncommon::start_page($title,undef,$args)); } sub end_page { @@ -133,22 +137,20 @@ sub check_for_reservation { return 'error: Unable to determine current status'; } my @got; - foreach my $slot_name (sort { - if (ref($slots{$a}) && ref($slots{$b})) { - return $slots{$a}{'starttime'} <=> $slots{$b}{'starttime'} - } - if (ref($slots{$a})) { return -1;} - if (ref($slots{$b})) { return 1;} - return 0; - } @slots) { + 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 + $slots{$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 { @@ -340,6 +342,10 @@ sub store_slot_parm { &Apache::lonnet::instructor_log('slotreservationslog',\%storehash, '',$env{'user.name'},$env{'user.domain'}, $cnum,$cdom); + &Apache::lonnet::instructor_log($cdom.'_'.$cnum.'_slotlog',\%storehash, + 1,$env{'user.name'},$env{'user.domain'}, + $env{'user.name'},$env{'user.domain'}); + return; } @@ -533,7 +539,9 @@ sub release_reservation { context => $env{'form.context'}, ); &Apache::lonnet::instructor_log('slotreservationslog',\%storehash, - 1,$uname,$udom,$cnum,$cdom); + 1,$uname,$udom,$cnum,$cdom); + &Apache::lonnet::instructor_log($cdom.'_'.$cnum.'_slotlog',\%storehash, + 1,$uname,$udom,$uname,$udom); } } @@ -558,7 +566,11 @@ sub release_reservation { if ($mgr eq 'F') { $msg = &mt('Released Reservation for user: [_1]',"$uname:$udom"); } else { - $msg = &mt('Released Reservation: [_1]',$description); + $msg = ''.&mt('Released reservation: [_1]',$description).'

'; + my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'}); + my $subject = &mt('Reservation change: [_1]',$description); + my $msgbody = &mt('Reservation released by [_1] for [_2].',$person,$description); + $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'release'); } return (1,$msg); } @@ -598,8 +610,13 @@ sub delete_slot { sub return_link { my ($r) = @_; - $r->print('

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

'); + if (($env{'form.command'} eq 'manageresv') || ($env{'form.context'} eq 'usermanage')) { + $r->print('

'. + &mt('Return to reservations')); + } else { + $r->print('

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

'); + } } sub get_slot { @@ -620,7 +637,6 @@ sub get_slot { 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('

'.&mt('Already have a reservation: [_1].',$description1).'

'); if ($slot_name ne $env{'form.slotname'}) { $r->print(< @@ -629,19 +645,24 @@ sub get_slot { STUFF - $r->print('

' - .&mt('You can either [_1]Change[_2] your reservation from [_3] to [_4] or' - ,'' - ,''.$description1.'' - ,''.$description2.'') - .'

' - ); - &return_link($r); + $r->print('

'.&mt('Reservation currently unchanged').'

'); + if ($slot_name ne '') { + $r->print('

'.&mt('To complete the transaction you [_1]must confirm[_2] you want to [_3]process the change[_4] to [_5].' + ,'','','','',''.$description2.'') + .'
' + .&mt('Or you can choose to [_1]make no change[_2] and continue[_2] with the reservation you already had: [_3].' + ,'','',''.$description1.'') + .'

' + .'' + .(' 'x3) + .'' + .'

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

'.&mt('Already have a reservation: [_1].',$description1).'

'); &return_link($r); } return 0; @@ -658,8 +679,15 @@ STUFF .&mt('An error occurred while attempting to make a reservation. ([_1])',$1) .'

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

'.&mt('Success: [_1]',$description).'

'); + $r->print('

'.&mt('Successfully signed up: [_1]',$description).'

'); $retvalue = 1; + my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'}); + my $subject = &mt('Reservation change: [_1]',$description); + my $msgbody = &mt('Successful reservation by [_1] for [_2].',$person,$description); + my $msg = &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'reserve'); + if ($msg) { + $r->print($msg); + } } elsif ($reserved < 0) { $r->print('

'.&mt('Already reserved: [_1]',$description).'

'); } @@ -698,7 +726,8 @@ $lt{'or'} STUFF if (!$inhibit_return_link) { - $r->print(&mt('or').'

').&return_link($r); + $r->print(&mt('or').'

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

'); } @@ -731,6 +760,11 @@ sub allowed_slot { if ($slot->{'startreserve'} > time) { return 0; } + # reserve time ended + if (($slot->{'endreserve'}) && + ($slot->{'endreserve'} < time)) { + return 0; + } &Apache::lonxml::debug("$slot_name reserve good"); my $userallowed=0; @@ -805,10 +839,10 @@ sub get_description { } sub show_choices { - my ($r,$symb)=@_; + my ($r,$symb,$formname)=@_; my ($cnum,$cdom)=&get_course(); - my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum); + my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom); my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots); if (ref($consumed_uniqueperiods) eq 'HASH') { if (&Apache::lonnet::error(%$consumed_uniqueperiods)) { @@ -823,7 +857,7 @@ sub show_choices { ''); return; } - my $available; + my (@available,$output); &Apache::lonxml::debug("Checking Slots"); my @got_slots=&check_for_reservation($symb,'allslots'); if ($got_slots[0] =~ /^error: /) { @@ -832,20 +866,33 @@ sub show_choices { ''); return; } - $r->print(''); foreach my $slot (sort { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} } (keys(%slots))) { &Apache::lonxml::debug("Checking Slot $slot"); - next if (!&allowed_slot($slot,$slots{$slot},undef,\%slots, + next if (!&allowed_slot($slot,$slots{$slot},$symb,\%slots, $consumed_uniqueperiods)); - $available++; - + push(@available,$slot); + } + if (!@available) { + $output = &mt('No available times.'); + if ($env{'form.command'} ne 'manageresv') { + $output .= ' '. + &mt('Return to last resource').''; + } + $r->print('

'.$output.'

'); + return; + } + if ($env{'form.command'} eq 'manageresv') { + $output = '
'; + } else { + $output = &Apache::loncommon::start_data_table(); + } + foreach my $slot (@available) { my $description=&get_description($slot,$slots{$slot}); - - my $form=&mt('Unavailable'); + my $form; if ((grep(/^\Q$slot\E$/,@got_slots)) || &space_available($slot,$slots{$slot},$symb)) { my $text=&mt('Select'); @@ -859,9 +906,9 @@ sub show_choices { $consumed_uniqueperiods); if ($conflict) { if ($conflict =~ /^error: /) { - $r->print(''); + $form = ''. + &mt('Slot: [_1] has unknown status.',$description). + ''; } else { $text=&mt('Change Reservation'); $command='get'; @@ -869,30 +916,47 @@ sub show_choices { } } my $escsymb=&escape($symb); - $form=< + if (!$form) { + if ($formname) { + $formname = 'name="'.$formname.'" '; + } + my $context = 'user'; + if ($env{'form.command'} eq 'manageresv') { + $context = 'usermanage'; + } + $form=< - + STUFF - } - $r->print(< + } + } else { + $form = &mt('Unavailable'); + } + if ($env{'form.command'} eq 'manageresv') { + $output .= ''; + } else { + $output .= &Apache::loncommon::start_data_table_row(); + } + $output .= " - - -STUFF + \n"; + if ($env{'form.command'} eq 'manageresv') { + $output .= ''; + } else { + $output .= &Apache::loncommon::end_data_table_row(); + } } - - if (!$available) { - $r->print(''); + if ($env{'form.command'} eq 'manageresv') { + $output .= '
' - .&mt('Slot: [_1] has unknown status.',$description) - .'
$form$description
$description
'.&mt('No available times.'). - ' '. - &mt('Return to last resource').'
'; + } else { + $output .= &Apache::loncommon::end_data_table(); } - $r->print(''); + $r->print($output); } sub to_show { @@ -986,6 +1050,7 @@ sub show_table { my ($r,$mgr)=@_; my ($cnum,$cdom)=&get_course(); + my $crstype=&Apache::loncommon::course_type($cdom.'_'.$cnum); my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum); if ( (keys(%slots))[0] =~ /^error: 2 /) { undef(%slots); @@ -1007,6 +1072,15 @@ sub show_table { $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface')); $r->print(''); } + + if (!keys(%slots)) { + if ($crstype eq 'Community') { + $r->print('
'.&mt('No slots have been created in this community.').'
'); + } else { + $r->print('
'.&mt('No slots have been created in this course.').'
'); + } + return; + } my %Saveable_Parameters = ('show' => 'array', 'when' => 'scalar', @@ -1031,6 +1105,8 @@ sub show_table { 'starttime' => 'Start time', 'endtime' => 'End Time', 'startreserve' => 'Time students can start reserving', + 'endreserve' => 'Time students can no longer reserve', + 'reservationmsg' => 'Message triggered by reservation', 'secret' => 'Secret Word', 'space' => '# of students/max', 'ip' => 'IP or DNS restrictions', @@ -1040,9 +1116,14 @@ sub show_table { 'uniqueperiod' => 'Period of time slot is unique', 'scheduled' => 'Scheduled Students', 'proctor' => 'List of proctors'); + if ($crstype eq 'Community') { + $show_fields{'startreserve'} = &mt('Time members can start reserving'); + $show_fields{'endreserve'} = &mt('Time members can no longer reserve'); + $show_fields{'scheduled'} = &mt('Scheduled Members'); + } my @show_order=('name','description','type','starttime','endtime', - 'startreserve','secret','space','ip','symb', - 'allowedsections','allowedusers','uniqueperiod', + 'startreserve','endreserve','reservationmsg','secret','space', + 'ip','symb','allowedsections','allowedusers','uniqueperiod', 'scheduled','proctor'); my @show = (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show') @@ -1108,24 +1189,24 @@ sub show_table { '.&mt('Slot Name Filter').' '.&mt('Options').' - '.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order). + '.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order). ' - + '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display, 6,\%stu_display_fields, \@stu_display_order).' - '.&Apache::loncommon::select_form($when,'when',%when_fields). + '.&Apache::loncommon::select_form($when,'when',\%when_fields). ' - '.&Apache::loncommon::select_form($name_filter_type, + '.&Apache::loncommon::select_form($name_filter_type, 'name_filter_type', - %name_filter_type_fields). + \%name_filter_type_fields). '
'. &Apache::lonhtmlcommon::textbox('name_filter_value', $env{'form.name_filter_value'}, 15). ' - + @@ -1153,7 +1234,7 @@ sub show_table { my %name_cache; my $slotsort = sub { - if ($env{'form.order'}=~/^(type|description|endtime|startreserve|ip|symb|allowedsections|allowedusers)$/) { + if ($env{'form.order'}=~/^(type|description|endtime|startreserve|endreserve|ip|symb|allowedsections|allowedusers|reservationmsg)$/) { if (lc($slots{$a}->{$env{'form.order'}}) ne lc($slots{$b}->{$env{'form.order'}})) { return (lc($slots{$a}->{$env{'form.order'}}) @@ -1190,12 +1271,15 @@ sub show_table { if ($tmp =~ /^error: /) { undef(%consumed); } } + my %msgops = &slot_reservationmsg_options(); + foreach my $slot (sort $slotsort (keys(%slots))) { if (!&to_show($slot,$slots{$slot},$when, $env{'form.deleted'},$name_filter)) { next; } + my $reservemsg; if (defined($slots{$slot}->{'type'}) - && $slots{$slot}->{'type'} ne 'schedulable_student') { - #next; + && $slots{$slot}->{'type'} eq 'schedulable_student') { + $reservemsg = $msgops{$slots{$slot}->{'reservationmsg'}}; } my $description=&get_description($slot,$slots{$slot}); my ($id_count,$ids); @@ -1232,6 +1316,8 @@ sub show_table { &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):''); my $start_reserve=($slots{$slot}->{'startreserve'}? &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):''); + my $end_reserve=($slots{$slot}->{'endreserve'}? + &Apache::lonlocal::locallocaltime($slots{$slot}->{'endreserve'}):''); my $unique; if (ref($slots{$slot}{'uniqueperiod'})) { @@ -1288,26 +1374,39 @@ sub show_table { } my $proctors=join(', ',@proctors); + my %lt = &Apache::lonlocal::texthash ( + edit => 'Edit', + delete => 'Delete', + slotlog => 'History', + ); my $edit=(<<"EDITLINK"); -Edit +$lt{'edit'} EDITLINK my $delete=(<<"DELETELINK"); -Delete +$lt{'delete'} DELETELINK + my $showlog=(<<"LOGLINK"); +$lt{'slotlog'} +LOGLINK + my $remove_all=&remove_link($slot,'remove all').'
'; - if ($ids ne '') { undef($delete); } - if ($slots{$slot}{'type'} ne 'schedulable_student' - || $ids eq '') { + if ($ids eq '') { + undef($remove_all); + } else { + undef($delete); + } + if ($slots{$slot}{'type'} ne 'schedulable_student') { + undef($showlog); undef($remove_all); } my $row_start=&Apache::loncommon::start_data_table_row(); my $row_end=&Apache::loncommon::end_data_table_row(); $r->print($row_start. - "\n\n"); + "\n\n"); if (exists($show{'name'})) { $colspan++;$r->print(""); } @@ -1326,6 +1425,12 @@ DELETELINK if (exists($show{'startreserve'})) { $colspan++;$r->print("\n"); } + if (exists($show{'endreserve'})) { + $colspan++;$r->print("\n"); + } + if (exists($show{'reservationmsg'})) { + $colspan++;$r->print("\n"); + } if (exists($show{'secret'})) { $colspan++;$r->print("\n"); } @@ -1366,30 +1471,755 @@ $row_end STUFF } } - $r->print('
Deleted slots:$edit $delete$edit $delete $showlog$slot$start_reserve$end_reserve$reservemsg$slots{$slot}{'secret'}
'); + $r->print(&Apache::loncommon::end_data_table().''); + return; +} + +sub manage_reservations { + my ($r,$crstype) = @_; + my $navmap = Apache::lonnavmaps::navmap->new(); + $r->print('

' + .&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.') + .'
' + .&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.') + .'

' + ); + if (!defined($navmap)) { + $r->print('
'); + if ($crstype eq 'Community') { + $r->print(&mt('Unable to retrieve information about community contents')); + } else { + $r->print(&mt('Unable to retrieve information about course contents')); + } + $r->print('
'); + &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'}); + return; + } + my (%parent,%shownparent,%container,%container_title,%contents); + my ($depth,$count,$reservable,$lastcontainer,$rownum) = (0,0,0,0,0); + my @backgrounds = ("LC_odd_row","LC_even_row"); + my $numcolors = scalar(@backgrounds); + my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif"); + my $slotheader = '

'. + &mt('Your reservation status for any such assignments is listed below:'). + '

'. + ''."\n"; + my $shownheader = 0; + my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef); + while (my $resource = $it->next()) { + if ($resource == $it->BEGIN_MAP()) { + $depth++; + $parent{$depth} = $lastcontainer; + } + if ($resource == $it->END_MAP()) { + $depth--; + $lastcontainer = $parent{$depth}; + } + if (ref($resource)) { + my $symb = $resource->symb(); + my $ressymb = $symb; + $contents{$lastcontainer} ++; + next if (!$resource->is_problem() && !$resource->is_sequence() && + !$resource->is_page()); + $count ++; + if (($resource->is_sequence()) || ($resource->is_page())) { + $lastcontainer = $count; + $container{$lastcontainer} = $resource; + $container_title{$lastcontainer} = $resource->compTitle(); + } + if ($resource->is_problem()) { + my ($useslots) = $resource->slot_control(); + next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i)); + my ($msg,$get_choices,$slotdescription); + my $title = $resource->compTitle(); + my $status = $resource->simpleStatus('0'); + my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0'); + if ($slot_name ne '') { + my %slot=&Apache::lonnet::get_slot($slot_name); + $slotdescription=&get_description($slot_name,\%slot); + } + if ($slot_status == $resource->NOT_IN_A_SLOT) { + $msg=&mt('No current reservation.'); + $get_choices = 1; + } elsif ($slot_status == $resource->NEEDS_CHECKIN) { + $msg=''.&mt('Reserved:'). + ' '.$slotdescription.'
'. + &mt('Access requires proctor validation.'); + } elsif ($slot_status == $resource->WAITING_FOR_GRADE) { + $msg=&mt('Submitted and currently in grading queue.'); + } elsif ($slot_status == $resource->CORRECT) { + $msg=&mt('Problem is unavailable.'); + } elsif ($slot_status == $resource->RESERVED) { + $msg=''.&mt('Reserved:'). + ' '.$slotdescription.'
'. + &mt('Problem is currently available.'); + } elsif ($slot_status == $resource->RESERVED_LOCATION) { + $msg=''.&mt('Reserved:'). + ' '.$slotdescription.'
'. + &mt('Problem is available at a different location.'); + $get_choices = 1; + } elsif ($slot_status == $resource->RESERVED_LATER) { + $msg=''.&mt('Reserved:'). + ' '.$slotdescription.'
'. + &mt('Problem will be available later.'); + $get_choices = 1; + } elsif ($slot_status == $resource->RESERVABLE) { + $msg=&mt('Reservation needed'); + $get_choices = 1; + } elsif ($slot_status == $resource->RESERVABLE_LATER) { + $msg=&mt('Reservation needed: will be reservable later.'); + } elsif ($slot_status == $resource->NOTRESERVABLE) { + $msg=&mt('Reservation needed: none available.'); + } elsif ($slot_status == $resource->UNKNOWN) { + $msg=&mt('Unable to determine status due to network problems.'); + } else { + if ($status != $resource->OPEN) { + $msg = &Apache::lonnavmaps::getDescription($resource,'0'); + } + } + $reservable ++; + my $treelevel = $depth; + my $higherup = $lastcontainer; + if ($depth > 1) { + my @maprows; + while ($treelevel > 1) { + if (ref($container{$higherup})) { + my $res = $container{$higherup}; + last if (defined($shownparent{$higherup})); + my $maptitle = $res->compTitle(); + my $type = 'sequence'; + if ($res->is_page()) { + $type = 'page'; + } + &show_map_row($treelevel,$location,$type,$maptitle, + \@maprows); + $shownparent{$higherup} = 1; + } + $treelevel --; + $higherup = $parent{$treelevel}; + } + foreach my $item (@maprows) { + $rownum ++; + my $bgcolor = $backgrounds[$rownum % $numcolors]; + if (!$shownheader) { + $r->print($slotheader); + $shownheader = 1; + } + $r->print(''.$item.''."\n"); + } + } + $rownum ++; + my $bgcolor = $backgrounds[$rownum % $numcolors]; + if (!$shownheader) { + $r->print($slotheader); + $shownheader = 1; + } + $r->print(''; + my $hasaction; + if ($status == $resource->OPEN) { + if ($get_choices) { + $hasaction = 1; + } + } + if ($hasaction) { + $result .= ''. + ''; + } + $r->print($result); + if ($hasaction) { + my $formname = 'manageres_'.$reservable; + &show_choices($r,$symb,$formname); + $r->print(''); + } + $r->print(''); + } + } + } + if ($shownheader) { + $r->print('
'."\n"); + for (my $i=0; $i<$depth; $i++) { + $r->print(''); + } + my $result = ''. + ''.&mt('Task'); + } else { + $result .= 'problem.gif'.$title.''.(' ' x6).''.$msg.''.(' ' x6); + } else { + $result .= ''.$msg.'
'); + } + if (!$reservable) { + $r->print(''); + if ($crstype eq 'Community') { + $r->print(&mt('No community items currently require a reservation to gain access.')); + } else { + $r->print(&mt('No course items currently require a reservation to gain access.')); + } + $r->print(''); + } + $r->print('

'. + &mt('Reservation History').'

'); +} + +sub show_map_row { + my ($depth,$location,$type,$title,$maprows) = @_; + my $output = ''; + for (my $i=0; $i<$depth-1; $i++) { + $output .= ''; + } + if ($type eq 'page') { + $output .= ' '."\n"; + } else { + $output .= ' '."\n"; + } + $output .= $title.' '."\n"; + unshift (@{$maprows},$output); + return; +} + +sub show_reservations { + my ($r,$uname,$udom) = @_; + if (!defined($uname)) { + $uname = $env{'user.name'}; + } + if (!defined($udom)) { + $udom = $env{'user.domain'}; + } + my $formname = 'slotlog'; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $crstype = &Apache::loncommon::course_type(); + my %log=&Apache::lonnet::dump('nohist_'.$cdom.'_'.$cnum.'_slotlog',$udom,$uname); + if ($env{'form.origin'} eq 'aboutme') { + $r->print('
'); + my $name = &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'}, + 'firstname'); + if ($crstype eq 'Community') { + $r->print(&mt('History of member-reservable slots for: [_1]', + $name)); + } else { + $r->print(&mt('History of student-reservable slots for: [_1]', + $name)); + + } + $r->print('
'); + } + $r->print('
'); + # set defaults + my $now = time(); + my $defstart = $now - (7*24*3600); #7 days ago + my %defaults = ( + page => '1', + show => '10', + action => 'any', + log_start_date => $defstart, + log_end_date => $now, + ); + my $more_records = 0; + + # set current + my %curr; + foreach my $item ('show','page','action') { + $curr{$item} = $env{'form.'.$item}; + } + my ($startdate,$enddate) = + &Apache::lonuserutils::get_dates_from_form('log_start_date', + 'log_end_date'); + $curr{'log_start_date'} = $startdate; + $curr{'log_end_date'} = $enddate; + foreach my $key (keys(%defaults)) { + if ($curr{$key} eq '') { + $curr{$key} = $defaults{$key}; + } + } + my ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/); + $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version)); + my $showntablehdr = 0; + my $tablehdr = &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ' '.&mt('When').''.&mt('Action').''. + ''.&mt('Description').''.&mt('Start time').''. + ''.&mt('End time').''.&mt('Resource').''. + &Apache::loncommon::end_data_table_header_row(); + my ($minshown,$maxshown); + $minshown = 1; + my $count = 0; + if ($curr{'show'} ne &mt('all')) { + $maxshown = $curr{'page'} * $curr{'show'}; + if ($curr{'page'} > 1) { + $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'}; + } + } + my (%titles,%maptitles); + my %lt = &reservationlog_contexts($crstype); + foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) { + next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) || + ($log{$id}{'exe_time'} > $curr{'log_end_date'})); + if ($curr{'show'} ne &mt('all')) { + if ($count >= $curr{'page'} * $curr{'show'}) { + $more_records = 1; + last; + } + } + if ($curr{'action'} ne 'any') { + next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'}); + } + $count ++; + next if ($count < $minshown); + if (!$showntablehdr) { + $r->print($tablehdr); + $showntablehdr = 1; + } + my $symb = $log{$id}{'logentry'}{'symb'}; + my $slot_name = $log{$id}{'logentry'}{'slot'}; + my %slot=&Apache::lonnet::get_slot($slot_name); + my $description = $slot{'description'}; + my $start = ($slot{'starttime'}? + &Apache::lonlocal::locallocaltime($slot{'starttime'}):''); + my $end = ($slot{'endtime'}? + &Apache::lonlocal::locallocaltime($slot{'endtime'}):''); + my $title = &get_resource_title($symb,\%titles,\%maptitles); + my $chgaction = $log{$id}{'logentry'}{'action'}; + if ($chgaction ne '' && $lt{$chgaction} ne '') { + $chgaction = $lt{$chgaction}; + } + $r->print(&Apache::loncommon::start_data_table_row().''.$count.''.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).''.$chgaction.''.$description.''.$start.''.$end.''.$title.''.&Apache::loncommon::end_data_table_row()."\n"); + } + if ($showntablehdr) { + $r->print(&Apache::loncommon::end_data_table().'
'); + if (($curr{'page'} > 1) || ($more_records)) { + $r->print(''); + if ($curr{'page'} > 1) { + $r->print(''); + } + if ($more_records) { + $r->print(''); + } + $r->print('
'.&mt('Previous [_1] changes',$curr{'show'}).''.&mt('Next [_1] changes',$curr{'show'}).'
'); + $r->print(<<"ENDSCRIPT"); + +ENDSCRIPT + } + } else { + $r->print('' + .&mt('There are no transactions to display.') + .'' + ); + } + $r->print(''."\n". + ''."\n"); + if ($env{'form.origin'} eq 'aboutme') { + $r->print(''."\n". + ''."\n". + ''."\n"); + } + $r->print('
'); + return; +} + +sub show_reservations_log { + my ($r) = @_; + my $badslot; + my $crstype = &Apache::loncommon::course_type(); + if ($env{'form.slotname'} eq '') { + $r->print('
'.&mt('No slot name provided').'
'); + $badslot = 1; + } else { + my %slot=&Apache::lonnet::get_slot($env{'form.slotname'}); + if (keys(%slot) == 0) { + $r->print('
'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'
'); + $badslot = 1; + } elsif ($slot{type} ne 'schedulable_student') { + my $description = &get_description($env{'form.slotname'},\%slot); + $r->print('
'); + if ($crstype eq 'Community') { + $r->print(&mt('Reservation history unavailable for non-member-reservable slot: [_1].',$description)); + } else { + $r->print(&mt('Reservation history unavailable for non-student-reservable slot: [_1].',$description)); + } + $r->print('
'); + $badslot = 1; + } + } + if ($badslot) { + $r->print('

'. + &mt('Return to slot list').'

'); + return; + } + my $formname = 'reservationslog'; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$cdom,$cnum); + if ((keys(%slotlog))[0]=~/^error\:/) { undef(%slotlog); } + + my (%log,@allsymbs); + if (keys(%slotlog)) { + foreach my $key (keys(%slotlog)) { + if (ref($slotlog{$key}) eq 'HASH') { + if (ref($slotlog{$key}{'logentry'}) eq 'HASH') { + if ($slotlog{$key}{'logentry'}{'slot'} eq $env{'form.slotname'}) { + $log{$key} = $slotlog{$key}; + if ($slotlog{$key}{'logentry'}{'symb'} ne '') { + push(@allsymbs,$slotlog{$key}{'logentry'}{'symb'}); + } + } + } + } + } + } + + $r->print('
'); + my %saveable_parameters = ('show' => 'scalar',); + &Apache::loncommon::store_course_settings('reservationslog', + \%saveable_parameters); + &Apache::loncommon::restore_course_settings('reservationslog', + \%saveable_parameters); + # set defaults + my $now = time(); + my $defstart = $now - (7*24*3600); #7 days ago + my %defaults = ( + page => '1', + show => '10', + chgcontext => 'any', + action => 'any', + symb => 'any', + log_start_date => $defstart, + log_end_date => $now, + ); + my $more_records = 0; + + # set current + my %curr; + foreach my $item ('show','page','chgcontext','action','symb') { + $curr{$item} = $env{'form.'.$item}; + } + my ($startdate,$enddate) = + &Apache::lonuserutils::get_dates_from_form('log_start_date', + 'log_end_date'); + $curr{'log_start_date'} = $startdate; + $curr{'log_end_date'} = $enddate; + foreach my $key (keys(%defaults)) { + if ($curr{$key} eq '') { + $curr{$key} = $defaults{$key}; + } + } + my (%whodunit,%changed,$version); + ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/); + + my %slot=&Apache::lonnet::get_slot($env{'form.slotname'}); + my $description = $slot{'description'}; + $r->print(''); + if ($crstype eq 'Community') { + $r->print(&mt('Reservation changes for member-reservable slot: [_1]',$description)); + } else { + $r->print(&mt('Reservation changes for student-reservable slot: [_1]',$description)); + } + $r->print('
'); + $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs)); + my $showntablehdr = 0; + my $tablehdr = &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ' '.&mt('When').''.&mt('Who made the change'). + ''.&mt('Affected User').''.&mt('Action').''. + ''.&mt('Resource').''.&mt('Context').''. + &Apache::loncommon::end_data_table_header_row(); + my ($minshown,$maxshown); + $minshown = 1; + my $count = 0; + if ($curr{'show'} ne &mt('all')) { + $maxshown = $curr{'page'} * $curr{'show'}; + if ($curr{'page'} > 1) { + $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'}; + } + } + my %lt = &reservationlog_contexts($crstype); + my (%titles,%maptitles); + foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) { + next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) || + ($log{$id}{'exe_time'} > $curr{'log_end_date'})); + if ($curr{'show'} ne &mt('all')) { + if ($count >= $curr{'page'} * $curr{'show'}) { + $more_records = 1; + last; + } + } + if ($curr{'chgcontext'} ne 'any') { + if ($curr{'chgcontext'} eq 'user') { + next if (($log{$id}{'logentry'}{'context'} ne 'user') && + ($log{$id}{'logentry'}{'context'} ne 'usermanage')); + } else { + next if ($log{$id}{'logentry'}{'context'} ne $curr{'chgcontext'}); + } + } + if ($curr{'action'} ne 'any') { + next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'}); + } + if ($curr{'symb'} ne 'any') { + next if ($log{$id}{'logentry'}{'symb'} ne $curr{'symb'}); + } + $count ++; + next if ($count < $minshown); + if (!$showntablehdr) { + $r->print($tablehdr); + $showntablehdr = 1; + } + if ($whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} eq '') { + $whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} = + &Apache::loncommon::plainname($log{$id}{'exe_uname'},$log{$id}{'exe_udom'}); + } + if ($changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} eq '') { + $changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} = + &Apache::loncommon::plainname($log{$id}{'uname'},$log{$id}{'udom'}); + } + my $symb = $log{$id}{'logentry'}{'symb'}; + my $title = &get_resource_title($symb,\%titles,\%maptitles); + my $chgcontext = $log{$id}{'logentry'}{'context'}; + if ($chgcontext ne '' && $lt{$chgcontext} ne '') { + $chgcontext = $lt{$chgcontext}; + } + my $chgaction = $log{$id}{'logentry'}{'action'}; + if ($chgaction ne '' && $lt{$chgaction} ne '') { + $chgaction = $lt{$chgaction}; + } + $r->print(&Apache::loncommon::start_data_table_row().''.$count.''.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).''.$whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}}.''.$changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}}.''.$chgaction.''.$title.''.$chgcontext.''.&Apache::loncommon::end_data_table_row()."\n"); + } + if ($showntablehdr) { + $r->print(&Apache::loncommon::end_data_table().'
'); + if (($curr{'page'} > 1) || ($more_records)) { + $r->print(''); + if ($curr{'page'} > 1) { + $r->print(''); + } + if ($more_records) { + $r->print(''); + } + $r->print('
'.&mt('Previous [_1] changes',$curr{'show'}).''.&mt('Next [_1] changes',$curr{'show'}).'
'); + $r->print(<<"ENDSCRIPT"); + +ENDSCRIPT + } + } else { + $r->print(&mt('There are no records to display.')); + } + $r->print(''. + ''. + '
'. + '

'. + &mt('Return to slot list').'

'); + return; +} + +sub get_resource_title { + my ($symb,$titles,$maptitles) = @_; + my $title; + if ((ref($titles) eq 'HASH') && (ref($maptitles) eq 'HASH')) { + if (defined($titles->{$symb})) { + $title = $titles->{$symb}; + } else { + $title = &Apache::lonnet::gettitle($symb); + my $maptitle; + my ($mapurl) = &Apache::lonnet::decode_symb($symb); + if (defined($maptitles->{$mapurl})) { + $maptitle = $maptitles->{$mapurl}; + } else { + if ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) { + $maptitle=&mt('Main Course Documents'); + } else { + $maptitle=&Apache::lonnet::gettitle($mapurl); + } + $maptitles->{$mapurl} = $maptitle; + } + if ($maptitle ne '') { + $title .= ' '.&mt('(in [_1])',$maptitle); + } + $titles->{$symb} = $title; + } + } else { + $title = $symb; + } + return $title; +} + +sub reservationlog_contexts { + my ($crstype) = @_; + my %lt = &Apache::lonlocal::texthash ( + any => 'Any', + user => 'By student', + manage => 'Via Slot Manager', + parameter => 'Via Parameter Manager', + reserve => 'Made reservation', + release => 'Dropped reservation', + usermanage => 'By student', + ); + if ($crstype eq 'Community') { + $lt{'user'} = &mt('By member'); + $lt{'usermanage'} = $lt{'user'}; + } + return %lt; +} + +sub display_filter { + my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_; + my $nolink = 1; + my (%titles,%maptitles); + my $output = '
'; + my $startform = + &Apache::lonhtmlcommon::date_setter($formname,'log_start_date', + $curr->{'log_start_date'},undef, + undef,undef,undef,undef,undef,undef,$nolink); + my $endform = + &Apache::lonhtmlcommon::date_setter($formname,'log_end_date', + $curr->{'log_end_date'},undef, + undef,undef,undef,undef,undef,undef,$nolink); + my $crstype = &Apache::loncommon::course_type(); + my %lt = &reservationlog_contexts($crstype); + $output .= ''; + if (ref($allsymbs) eq 'ARRAY') { + $output .= ''; + } else { + $output .= ''; + } + $output .= '
'. + ''.&mt('Changes/page:').'
'. + &Apache::lonmeta::selectbox('show',$curr->{'show'},undef, + (&mt('all'),5,10,20,50,100,1000,10000)). + '		  '.&mt('Window during which changes occurred:'). + '
'.&mt('After:'). + ''.$startform.'
'.&mt('Before:').''. + $endform.'
  '.&mt('Resource').'
'. + '		  '. + &mt('Context:').'
'.&mt('Action').'
'. + '		  
'. + '

'. + &mt('Only changes made from servers running LON-CAPA [_1] or later are displayed.' + ,'2.9.0'); + if ($version) { + $output .= ' '.&mt('This LON-CAPA server is version [_1]',$version); + } + $output .= '


'; + return $output; +} + +sub slot_change_messaging { + my ($setting,$subject,$msg,$action) = @_; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my ($message_status,$comment_status); + if ($setting eq 'only_student' + || $setting eq 'student_and_user_notes_screen') { + $message_status = + &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg); + $message_status = '
  • '.&mt('Sent to you: [_1]', + $message_status).'
    • '; + } + if ($setting eq 'student_and_user_notes_screen') { + $comment_status = + &Apache::lonmsg::store_instructor_comment($subject.'
    '. + $msg,$user,$domain); + $comment_status = '
  • '.&mt('Entry added to course record (viewable by instructor): [_1]', + $comment_status).'
    • '; + } + if ($message_status || $comment_status) { + my $msgtitle; + if ($action eq 'reserve') { + $msgtitle = &mt('Status of messages about saved reservation'); + } elsif ($action eq 'release') { + $msgtitle = &mt('Status of messages about dropped reservation'); + } elsif ($action eq 'nochange') { + $msgtitle = &mt('Status of messages about unchanged existing reservation'); + } + return ''.$msgtitle.'' + .'
    '; + } } sub upload_start { my ($r)=@_; - $r->print(&Apache::grades::checkforfile_js()); - my $result.=''."\n"; - $result.='
    '."\n"; - $result.=' '. - &mt('Specify a file containing the slot definitions.'). - '
    '."\n"; - my $upfile_select=&Apache::loncommon::upfile_select_html(); - my $ignore=&mt('Ignore First Line'); - $result.=< - -$upfile_select -
    - - -ENDUPFORM - $result.='
    '."\n"; - $result.=''."\n"; - $r->print($result); + $r->print( + &Apache::grades::checkforfile_js() + .'

    '.&mt('Specify a file containing the slot definitions.').'

    ' + .'
    ' + .'' + .&Apache::lonhtmlcommon::start_pick_box() + .&Apache::lonhtmlcommon::row_title(&mt('File')) + .&Apache::loncommon::upfile_select_html() + .&Apache::lonhtmlcommon::row_closure() + .&Apache::lonhtmlcommon::row_title( + '') + .'' + .&Apache::lonhtmlcommon::row_closure(1) + .&Apache::lonhtmlcommon::end_pick_box() + .'

    ' + .'' + .'

    ' + .'
    ' + ); } sub csvuploadmap_header { @@ -1411,8 +2241,8 @@ sub csvuploadmap_header { Total number of records found in file: $distotal
    Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to create the slots.
    - - + + @@ -1436,7 +2266,7 @@ sub csvuploadmap_footer { -
    +
    ENDPICK } @@ -1535,6 +2365,8 @@ sub csvupload_fields { ['starttime','Start Time of slot'], ['endtime','End Time of slot'], ['startreserve','Reservation Start Time'], + ['endreserve','Reservation End Time'], + ['reservationmsg','Message when reservation changed'], ['ip','IP or DNS restriction'], ['proctor','List of proctor ids'], ['description','Slot Description'], @@ -1616,6 +2448,30 @@ sub csv_upload_assign { next; } + if ($entries{$fields{'endreserve'}}) { + $slot{'endreserve'}= + &UnixDate($entries{$fields{'endreserve'}},"%s"); + } + if (defined($slot{'endreserve'}) + && $slot{'endreserve'} > $slot{'starttime'}) { + push(@errors,"$name not created -- Slot's reservation end time is after the slot's start time."); + next; + } + + if ($slot{'type'} eq 'schedulable_student') { + if ($entries{$fields{'reservationmsg'}}) { + if (($entries{$fields{'reservationmsg'}} eq 'only_student') || + ($entries{$fields{'reservationmsg'}} eq 'student_and_user_notes_screen')) { + $slot{'reservationmsg'}=$entries{$fields{'reservationmsg'}}; + } else { + unless (($entries{$fields{'reservationmsg'}} eq 'none') || + ($entries{$fields{'reservationmsg'}} eq '')) { + push(@errors,"$name -- Slot's reservationmsg setting ignored - not one of: 'only_student', 'student_and_user_notes_screen', 'none' or ''"); + } + } + } + } + foreach my $key ('ip','proctor','description','maxspace', 'secret','symb') { if ($entries{$fields{$key}}) { @@ -1640,6 +2496,9 @@ sub csv_upload_assign { $r->rflush(); $countdone++; } + if ($countdone) { + &Apache::lonnet::devalidate_slots_cache($cname,$cdom); + } $r->print('

    '.&mt('Created [quant,_1,slot]',$countdone)."\n".'

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

    '.$error.'

    '."\n"); @@ -1648,6 +2507,32 @@ sub csv_upload_assign { return ''; } +sub slot_command_titles { + my %titles = ( + slotlog => 'Reservation Logs', + showslots => 'Manage Slots', + showresv => 'Reservation History', + manageresv => 'Manage Reservations', + uploadstart => 'Upload Slots File', + csvuploadmap => 'Upload Slots File', + csvuploadassign => 'Upload Slots File', + delete => 'Slot Deletion', + release => 'Reservation Result', + remove_reservation => 'Remove Registration', + get_reservation => 'Request Reservation', + ); + return %titles; +} + +sub slot_reservationmsg_options { + my %options = &Apache::lonlocal::texthash ( + only_student => 'Sent to student', + student_and_user_notes_screen => 'Sent to student and added to user notes', + none => 'None sent and no record in user notes', + ); + return %options; +} + sub handler { my $r=shift; @@ -1659,16 +2544,66 @@ sub handler { } &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); - + + my %crumb_titles = &slot_command_titles(); + my $brcrum; + my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}); my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'}); + if ($env{'form.command'} eq 'showslots') { + if (($vgr ne 'F') && ($mgr ne 'F')) { + $env{'form.command'} = 'manageresv'; + } + } elsif ($env{'form.command'} eq 'manageresv') { + if (($vgr eq 'F') || ($mgr eq 'F')) { + $env{'form.command'} = 'showslots'; + } + } my $title='Requesting Another Worktime'; - if ($env{'form.command'} =~ /^(showslots|uploadstart|csvuploadmap|csvuploadassign)$/ && $vgr eq 'F') { - $title = 'Managing Slots'; + if ($env{'form.command'} eq 'showresv') { + $title = 'Reservation History'; + if ($env{'form.origin'} eq 'aboutme') { + $brcrum =[{href=>"/adm/$env{'form.udom'}/$env{'form.uname'}/aboutme",text=>'Personal Information Page'}]; + } else { + $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>'Manage Reservations'}]; + } + if (ref($brcrum) eq 'ARRAY') { + push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title}); + } + } elsif ($env{'form.command'} eq 'manageresv') { + $title = 'Manage Reservations'; + $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}]; + } elsif ($vgr eq 'F') { + if ($env{'form.command'} =~ /^(slotlog|showslots|uploadstart|csvuploadmap|csvuploadassign|delete|release|remove_registration)$/) { + $brcrum =[{href=>"/adm/slotrequest?command=showslots", + text=>$crumb_titles{'showslots'}}]; + $title = 'Managing Slots'; + unless ($env{'form.command'} eq 'showslots') { + if (ref($brcrum) eq 'ARRAY') { + push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}}); + } + } + } + } elsif ($env{'form.command'} eq 'release') { + if ($env{'form.context'} eq 'usermanage') { + $brcrum =[{href=>"/adm/slotrequest?command=manageresv", + text=>$crumb_titles{'showslots'}}]; + $title = 'Manage Reservations'; + if (ref($brcrum) eq 'ARRAY') { + push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}}); + } + } + } else { + $brcrum =[]; } - &start_page($r,$title); + &start_page($r,$title,$brcrum); - if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') { + if ($env{'form.command'} eq 'manageresv') { + my $crstype = &Apache::loncommon::course_type(); + &manage_reservations($r,$crstype); + } elsif ($env{'form.command'} eq 'showresv') { + &show_reservations($r,$env{'form.uname'},$env{'form.udom'}); + } elsif ($env{'form.command'} eq 'showslots' && $vgr eq 'F') { &show_table($r,$mgr); } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') { &remove_registration($r); @@ -1695,6 +2630,8 @@ sub handler { } &csv_upload_map($r); } + } elsif ($env{'form.command'} eq 'slotlog' && $mgr eq 'F') { + &show_reservations_log($r); } else { my $symb=&unescape($env{'form.symb'}); if (!defined($symb)) { @@ -1726,7 +2663,26 @@ sub handler { } elsif ($env{'form.command'} eq 'get') { &get_slot($r,$symb); } elsif ($env{'form.command'} eq 'change') { - if (&get_slot($r,$symb,$env{'form.releaseslot'},1)) { + if ($env{'form.nochange'}) { + my $slot_name = $env{'form.releaseslot'}; + my @slots = &check_for_reservation($symb,'allslots'); + my $msg; + if (($slot_name ne '') && (grep(/^\Q$slot_name\E/,@slots))) { + my %slot=&Apache::lonnet::get_slot($env{'form.releaseslot'}); + my $description=&get_description($slot_name,\%slot); + $msg = ''. + &mt('Unchanged reservation: [_1]',$description).'

    '; + my $person = + &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'}); + my $subject = &mt('Reservation unchanged: [_1]',$description); + my $msgbody = &mt('No change to existing registration by [_1] for [_2].',$person,$description); + $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'nochange'); + } else { + $msg = ''.&mt('Reservation no longer reported as available.').''; + } + $r->print($msg); + &return_link($r); + } elsif (&get_slot($r,$symb,$env{'form.releaseslot'},1)) { &release_slot($r,$symb,$env{'form.releaseslot'}); } } else {