--- loncom/interface/slotrequest.pm 2009/03/27 06:47:59 1.91 +++ loncom/interface/slotrequest.pm 2011/12/18 17:15:03 1.111 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Handler for requesting to have slots added to a students record # -# $Id: slotrequest.pm,v 1.91 2009/03/27 06:47:59 raeburn Exp $ +# $Id: slotrequest.pm,v 1.111 2011/12/18 17:15:03 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -143,10 +143,14 @@ sub check_for_reservation { !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 { @@ -562,7 +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); } @@ -629,7 +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(< @@ -638,19 +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; @@ -667,8 +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).'

'); } @@ -707,7 +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('

'); } @@ -740,6 +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; @@ -846,7 +871,7 @@ sub show_choices { (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, $consumed_uniqueperiods)); push(@available,$slot); @@ -1025,6 +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); @@ -1048,7 +1074,11 @@ sub show_table { } if (!keys(%slots)) { - $r->print('
'.&mt('No slots have been created in this course.').'
'); + if ($crstype eq 'Community') { + $r->print('
'.&mt('No slots have been created in this community.').'
'); + } else { + $r->print('
'.&mt('No slots have been created in this course.').'
'); + } return; } @@ -1075,6 +1105,8 @@ sub show_table { 'starttime' => 'Start time', 'endtime' => 'End Time', 'startreserve' => 'Time students can start reserving', + 'endreserve' => 'Time students can no longer reserve', + 'reservationmsg' => 'Message triggered by reservation', 'secret' => 'Secret Word', 'space' => '# of students/max', 'ip' => 'IP or DNS restrictions', @@ -1084,9 +1116,14 @@ sub show_table { 'uniqueperiod' => 'Period of time slot is unique', 'scheduled' => 'Scheduled Students', 'proctor' => 'List of proctors'); + if ($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') @@ -1159,11 +1196,11 @@ sub show_table { 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, 'name_filter_type', - %name_filter_type_fields). + \%name_filter_type_fields). '
'. &Apache::lonhtmlcommon::textbox('name_filter_value', $env{'form.name_filter_value'}, @@ -1197,7 +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'}}) @@ -1234,12 +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); @@ -1276,6 +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'})) { @@ -1351,9 +1393,13 @@ 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); } @@ -1379,6 +1425,12 @@ LOGLINK if (exists($show{'startreserve'})) { $colspan++;$r->print("$start_reserve\n"); } + if (exists($show{'endreserve'})) { + $colspan++;$r->print("$end_reserve\n"); + } + if (exists($show{'reservationmsg'})) { + $colspan++;$r->print("$reservemsg\n"); + } if (exists($show{'secret'})) { $colspan++;$r->print("$slots{$slot}{'secret'}\n"); } @@ -1424,14 +1476,23 @@ STUFF } sub manage_reservations { - my ($r,$type) = @_; + 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.').'

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

'); + $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)) { - $r->print('
'. - &mt('Unable to retrieve information about course contents'). - '
'); - &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($type).':'.$env{'request.course.id'}); + $r->print('
'); + if ($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); @@ -1439,7 +1500,11 @@ sub manage_reservations { my @backgrounds = ("LC_odd_row","LC_even_row"); my $numcolors = scalar(@backgrounds); my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif"); - $r->print(''."\n"); + 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()) { @@ -1534,11 +1599,19 @@ sub manage_reservations { 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('
'."\n"); for (my $i=0; $i<$depth; $i++) { $r->print(''); @@ -1573,11 +1646,19 @@ sub manage_reservations { } } } + if ($shownheader) { + $r->print('
'); + } if (!$reservable) { - $r->print(''.&mt('No course items currently require a reservation to gain access.').''); + $r->print(''); + if ($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(''. - '

'. + $r->print('

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

'); } @@ -1588,9 +1669,9 @@ sub show_map_row { $output .= ''; } if ($type eq 'page') { - $output .= ' '."\n"; + $output .= ' '."\n"; } else { - $output .= ' '."\n"; + $output .= ' '."\n"; } $output .= $title.' '."\n"; unshift (@{$maprows},$output); @@ -1608,12 +1689,21 @@ sub show_reservations { 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') { - $r->print('
'. - &mt('History of student-schedulable slots for: [_1]', - &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'}, - 'firstname')).'
'); + $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('
'); } $r->print('
'); # set defaults @@ -1662,7 +1752,7 @@ sub show_reservations { } } my (%titles,%maptitles); - my %lt = &reservationlog_contexts(); + my %lt = &reservationlog_contexts($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'})); @@ -1723,7 +1813,10 @@ function chgPage(caller) { ENDSCRIPT } } else { - $r->print(&mt('There are no trasactions to display')); + $r->print('' + .&mt('There are no transactions to display.') + .'' + ); } $r->print(''."\n". ''."\n"); @@ -1738,6 +1831,33 @@ ENDSCRIPT sub show_reservations_log { my ($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'}; @@ -1800,9 +1920,13 @@ sub show_reservations_log { my %slot=&Apache::lonnet::get_slot($env{'form.slotname'}); my $description = $slot{'description'}; - $r->print('
'. - &mt('Reservation changes for slot: [_1]',$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(). @@ -1820,7 +1944,7 @@ sub show_reservations_log { $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'}; } } - my %lt = &reservationlog_contexts(); + my %lt = &reservationlog_contexts($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'}) || @@ -1898,11 +2022,13 @@ function chgPage(caller) { ENDSCRIPT } } else { - $r->print(&mt('There are no records to display')); + $r->print(&mt('There are no records to display.')); } $r->print(''. ''. - '
'); + ''. + '

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

'); return; } @@ -1938,6 +2064,7 @@ sub get_resource_title { } sub reservationlog_contexts { + my ($crstype) = @_; my %lt = &Apache::lonlocal::texthash ( any => 'Any', user => 'By student', @@ -1947,6 +2074,10 @@ sub reservationlog_contexts { release => 'Dropped reservation', usermanage => 'By student', ); + if ($crstype eq 'Community') { + $lt{'user'} = &mt('By member'); + $lt{'usermanage'} = $lt{'user'}; + } return %lt; } @@ -1954,7 +2085,7 @@ sub display_filter { my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_; my $nolink = 1; my (%titles,%maptitles); - my $output = '
'. + my $output = '
'. ''.&mt('Changes/page:').'
'. &Apache::lonmeta::selectbox('show',$curr->{'show'},undef, (&mt('all'),5,10,20,50,100,1000,10000)). @@ -1967,7 +2098,8 @@ sub display_filter { &Apache::lonhtmlcommon::date_setter($formname,'log_end_date', $curr->{'log_end_date'},undef, undef,undef,undef,undef,undef,undef,$nolink); - my %lt = &reservationlog_contexts(); + my $crstype = &Apache::loncommon::course_type(); + my %lt = &reservationlog_contexts($crstype); $output .= '		'.&mt('Window during which changes occurred:'). '
'.&mt('After:'). ''.$startform.'
'.&mt('Before:').''. @@ -2015,36 +2147,77 @@ sub display_filter { } $output .= '  
'. - ''. - &mt('[_1]Note:[_2] Only changes made from servers running LON-CAPA 2.8.99.0 or later are displayed.'); + '

'. + &mt('Only changes made from servers running LON-CAPA [_1] or later are displayed.' + ,'2.9.0'); if ($version) { - $output .= ' '.&mt('This server is version [_3].','','',$version); + $output .= ' '.&mt('This LON-CAPA server is version [_1]',$version); } - $output .= '


'; + $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.'' + .'
      ' + .$message_status + .$comment_status + .'
    '; + } +} + 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 { @@ -2066,8 +2239,8 @@ sub csvuploadmap_header { Total number of records found in file: $distotal
    Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to create the slots.
    - - + + @@ -2091,7 +2264,7 @@ sub csvuploadmap_footer {
    -
    +
    ENDPICK } @@ -2190,6 +2363,8 @@ sub csvupload_fields { ['starttime','Start Time of slot'], ['endtime','End Time of slot'], ['startreserve','Reservation Start Time'], + ['endreserve','Reservation End Time'], + ['reservationmsg','Message when reservation changed'], ['ip','IP or DNS restriction'], ['proctor','List of proctor ids'], ['description','Slot Description'], @@ -2271,6 +2446,30 @@ sub csv_upload_assign { next; } + if ($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}}) { @@ -2320,6 +2519,15 @@ sub slot_command_titles { 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 $r=shift; @@ -2449,7 +2657,26 @@ sub handler { } elsif ($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 {