# The LearningOnline Network with CAPA
# Handler for requesting to have slots added to a students record
#
# $Id: slotrequest.pm,v 1.147 2023/07/12 15:48:23 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
###
package Apache::slotrequest;
use strict;
use Apache::Constants qw(:common :http :methods);
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') {
$r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>');
} elsif ($code eq 'not_available') {
$r->print('<p>'.&mt('No slots are available.').'</p>');
} elsif ($code eq 'not_allowed') {
$r->print('<p>'.&mt('Not allowed to sign up or change reservations at this time.').'</p>');
} else {
$r->print('<p>'.&mt('Failed.').'</p>');
}
&return_link($r);
&end_page($r);
}
sub start_page {
my ($r,$title,$brcrum,$bread_crumbs_component,$js,$mgr)=@_;
my $args;
if (ref($brcrum) eq 'ARRAY') {
$args = {bread_crumbs => $brcrum};
if ($bread_crumbs_component) {
$args->{bread_crumbs_component} = $bread_crumbs_component;
}
}
if (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
my %loaditems = (
onload => 'javascript:uncheckSlotRadio();',
);
if (ref($args) eq 'HASH') {
$args->{'add_entries'} = \%loaditems;
} else {
$args = { 'add_entries' => \%loaditems };
}
}
unless (($env{'form.context'} eq 'usermanage') || (($mgr eq 'F') &&
(($env{'form.command'} eq 'release') ||
($env{'form.command'} eq 'remove_registration')))) {
if ($env{'form.symb'}) {
my $symb=&unescape($env{'form.symb'});
my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);
if ($resurl =~ /ext\.tool$/) {
my $target;
my ($marker,$exttool) = (split(m{/},$resurl))[3,4];
$marker=~s/\D//g;
if (($marker) && ($exttool) && ($env{'request.course.id'})) {
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my ($idx,$crstool,$is_tool,%toolhash,%toolsettings);
if ($resurl eq "adm/$cdom/$cnum/$marker/$exttool") {
my %toolsettings=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum);
$target = $toolsettings{'target'};
}
}
if ($target eq 'iframe') {
$args->{'only_body'} = 1;
}
}
}
}
$r->print(&Apache::loncommon::start_page($title,$js,$args));
}
sub end_page {
my ($r)=@_;
$r->print(&Apache::loncommon::end_page());
}
sub reservation_js {
my ($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$js";
}
my %alerts = &Apache::lonlocal::texthash (
none => 'No reservable time slots found',
invalid => 'Invalid date format',
);
return <<"ENDSCRIPT";
<script type="text/javascript">
// <![CDATA[
function updateSlotDisplay(form,num,slotpickradio) {
var slotstart = new Array($i);
var slotend = new Array($i);
var slotname = new Array($i);
$js
if (slotpickradio == 'all') {
for (var i=0; i<$i; i++) {
if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = '';
}
if (document.getElementById('LC_slotsearch_'+num)) {
document.getElementById('LC_slotsearch_'+num).style.display = 'block';
}
}
} else {
if (slotpickradio == 'show') {
for (var i=0; i<$i; i++) {
if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = 'none';
}
}
for (var j=0; j<$j; j++) {
if (document.getElementById('LC_slotrow_'+num+'_'+currslot[j])) {
document.getElementById('LC_slotrow_'+num+'_'+currslot[j]).style.display = '';
}
}
if (document.getElementById('LC_slotsearch_'+num)) {
document.getElementById('LC_slotsearch_'+num).style.display = 'block';
}
} else {
var numberRegExp = /^[0-9]+\$/;
var startm = form.start_month.options[form.start_month.selectedIndex].value;
var startd = form.start_day.value;
startd=startd.trim();
var starty = form.start_year.value;
starty=starty.trim();
var endm = form.end_month.options[form.end_month.selectedIndex].value;
var endd = form.end_day.value;
endd=endd.trim();
var endy = form.end_year.value;
endy=endy.trim();
if (numberRegExp.test(endd) && numberRegExp.test(endy) && numberRegExp.test(startd) && numberRegExp.test(starty)) {
var startdate = startm+"/"+startd+"/"+starty;
var starttime = new Date(startdate).getTime();
starttime = starttime/1000;
var starth = form.start_hour.options[form.start_hour.selectedIndex].value;
if (numberRegExp.test(starth)) {
starth = parseInt(starth);
if (starth > 0 && starth <= 23) {
starttime += 3600 * starth;
}
}
var enddate = endm+"/"+endd+"/"+endy;
var endtime = new Date(enddate).getTime();
endtime = endtime/1000;
var endh = form.end_hour.options[form.end_hour.selectedIndex].value;
if (numberRegExp.test(endh)) {
endh = parseInt(endh);
if (endh > 0 && endh <= 23) {
endtime += 3600 * endh;
}
}
var shown = 0;
for (var i=0; i<$i; i++) {
if ((slotstart[i] >= starttime) && (slotend[i] <= endtime)) {
if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = '';
shown ++;
}
} else {
if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = 'none';
}
}
}
if (document.getElementById('LC_slotsearch_'+num)) {
if (shown) {
document.getElementById('LC_slotsearch_'+num).style.display = 'block';
} else {
document.getElementById('LC_slotsearch_'+num).style.display = 'none';
}
}
if (shown == 0) {
alert('$alerts{"none"}');
}
} else {
alert('$alerts{"invalid"}');
}
}
}
return;
}
function toggleSlotDisplay(form,num) {
if (form.slotpick.length) {
for (var i=0; i<form.slotpick.length; i++) {
if (form.slotpick[i].checked) {
var val = form.slotpick[i].value;
if (document.getElementById('LC_slotfilter_'+num)) {
document.getElementById('LC_slotsearch_'+num).style.display = 'none';
if (val == 'filter') {
document.getElementById('LC_slotfilter_'+num).style.display = 'block';
} else {
document.getElementById('LC_slotfilter_'+num).style.display = 'none';
if (val == 'all') {
updateSlotDisplay(form,num,val);
} else {
updateSlotDisplay(form,num,val);
}
}
}
break;
}
}
}
return false;
}
if (!document.getElementsByClassName) {
function getElementsByClassName(node, classname) {
var a = [];
var re = new RegExp('(^| )'+classname+'( |$)');
var els = node.getElementsByTagName("*");
for(var i=0,j=els.length; i<j; i++)
if(re.test(els[i].className))a.push(els[i]);
return a;
}
}
function uncheckSlotRadio() {
var slotpicks;
if (document.getElementsByClassName) {
slotpicks = document.getElementsByClassName('LC_slotpick_radio');
} else {
slotpicks = getElementsByClassName(document.body,'LC_slotpick_radio');
}
if (slotpicks.length) {
for (var i=0; i<slotpicks.length; i++) {
slotpicks[i].checked = false;
}
}
}
function toggleSlotMap(maprownum,rownum) {
if (document.getElementById('arrow'+maprownum)) {
var img = document.getElementById('arrow'+maprownum);
var rowdisplay;
var celldisplay = '';
if (img.src.indexOf('arrow.open.gif')!=-1) {
img.src = '/adm/lonIcons/arrow.closed.gif';
rowdisplay = 'none';
}
else {
img.src = '/adm/lonIcons/arrow.open.gif';
rowdisplay = 'table-row';
celldisplay = 'none';
}
var resrows;
var maptext;
if (document.getElementsByClassName) {
resrows = document.getElementsByClassName('LC_slotresrow_'+maprownum);
maptext = document.getElementsByClassName('LC_slotmaptext_'+maprownum);
} else {
resrows = getElementsByClassName(document.body,'LC_slotresrow_'+maprownum);
maptext = getElementsByClassName(document.body,'LC_slotmaptext_'+maprownum);
}
if (maptext.length) {
for (var i=0; i<maptext.length; i++) {
maptext[i].style.display = celldisplay;
}
}
if (resrows.length) {
var mapbgidx = 0;
var rowclasses = ['LC_even_row','LC_odd_row'];
var mapbgClass = 'LC_even_row';
var regExpBg = /LC_odd_row/i;
if (rowdisplay == 'table-row') {
if (document.getElementById('LC_slotmaprow_'+rownum)) {
mapbgClass = document.getElementById('LC_slotmaprow_'+rownum).className;
if (regExpBg.test(mapbgClass)) {
mapbgidx = 1;
}
}
}
for (var i=0; i<resrows.length; i++) {
resrows[i].style.display = rowdisplay;
if (rowdisplay == 'table-row') {
mapbgidx ++;
var bgcolnew = mapbgidx % 2;
var bgcolold = (mapbgidx+1) % 2;
var k = i+parseInt(rownum)+1;
if (document.getElementById('LC_slotresrow_'+k)) {
document.getElementById('LC_slotresrow_'+k).className = document.getElementById('LC_slotresrow_'+k).className.replace(rowclasses[bgcolold],rowclasses[bgcolnew]);
}
}
}
if (document.getElementById('LC_slot_reservations')) {
var numrowsOdd = resrows.length % 2;
if (numrowsOdd) {
var lastbgClass = 'LC_even_row';
var idx = 0;
var lastresnum = parseInt(rownum) + resrows.length;
if (rowdisplay == 'none') {
lastresnum = rownum;
if (document.getElementById('LC_slotmaprow_'+rownum)) {
lastbgClass = document.getElementById('LC_slotmaprow_'+rownum).className;
}
} else {
lastresnum = parseInt(rownum) + resrows.length;
if (document.getElementById('LC_slotresrow_'+lastresnum)) {
lastbgClass = document.getElementById('LC_slotresrow_'+lastresnum).className;
}
}
if (regExpBg.test(lastbgClass)) {
idx = 1;
}
var table = document.getElementById('LC_slot_reservations');
if ((table.rows.length) && (table.rows.length >= lastresnum)) {
for (var i=lastresnum; i<table.rows.length; i++) {
if (table.rows[i].style.display != 'none') {
idx ++;
var bgcolnew = idx % 2;
var bgcolold = (idx+1) % 2;
j = i+1;
if (document.getElementById('LC_slotmaprow_'+j)) {
document.getElementById('LC_slotmaprow_'+j).className = rowclasses[bgcolnew];
} else {
if (document.getElementById('LC_slotresrow_'+j)) {
document.getElementById('LC_slotresrow_'+j).className = document.getElementById('LC_slotresrow_'+j).className.replace(rowclasses[bgcolold],rowclasses[bgcolnew]);
}
}
}
}
}
}
}
}
}
}
// ]]>
</script>
ENDSCRIPT
}
=pod
slot_reservations db
- keys are
- slotname\0id -> value is an hashref of
name -> user@domain of holder
timestamp -> timestamp of reservation
symb -> symb of resource that it is reserved for
=cut
sub get_course {
(undef,my $courseid)=&Apache::lonnet::whichuser();
my $cdom=$env{'course.'.$courseid.'.domain'};
my $cnum=$env{'course.'.$courseid.'.num'};
return ($cnum,$cdom);
}
sub get_reservation_ids {
my ($slot_name)=@_;
my ($cnum,$cdom)=&get_course();
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 ($tmp=~/^error: 2 / ) {
return 0;
}
return keys(%consumed);
}
sub space_available {
my ($slot_name,$slot)=@_;
my $max=$slot->{'maxspace'};
if (!defined($max)) { return 1; }
my $consumed=scalar(&get_reservation_ids($slot_name));
if ($consumed < $max) {
return 1
}
return 0;
}
sub check_for_reservation {
my ($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(/:/, $course));
&Apache::lonxml::debug(" slot list is ".join(':',@slots));
my ($cnum,$cdom)=&get_course();
my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
if (&Apache::lonnet::error($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'}." -- ".
$slots{$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() || $_[0]->is_tool() },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,$new_slot,$slots,$consumed_uniqueperiods)=@_;
if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
if (!ref($consumed_uniqueperiods)) {
if ($consumed_uniqueperiods =~ /^error: /) {
return $consumed_uniqueperiods;
} else {
$consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
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'}};
foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
if (!
($start < $new_uniq_start && $end < $new_uniq_start) ||
($start > $new_uniq_end && $end > $new_uniq_end )) {
return $slot_name;
}
}
return undef;
}
sub make_reservation {
my ($slot_name,$slot,$symb,$cnum,$cdom)=@_;
my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
$env{'user.domain'},$env{'user.name'});
&Apache::lonxml::debug("value is $value<br />");
my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",$symb,
$env{'user.domain'},$env{'user.name'});
&Apache::lonxml::debug("use_slots is $use_slots<br />");
if (&Apache::lonnet::error($value)
|| &Apache::lonnet::error($use_slots)) {
return 'error: Unable to determine current status';
}
my $symb_for_db = $symb;
my $parm_level = 1;
if ($use_slots eq 'map' || $use_slots eq 'map_map') {
my ($map) = &Apache::lonnet::decode_symb($symb);
$symb_for_db = &Apache::lonnet::symbread($map);
$parm_level = 2;
}
foreach my $other_slot (split(/:/, $value)) {
if ($other_slot eq $slot_name) {
my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
$cnum, "^$slot_name\0");
if (&Apache::lonnet::error($value)) {
return 'error: Unable to determine current status';
}
my $me=$env{'user.name'}.':'.$env{'user.domain'};
foreach my $key (keys(%consumed)) {
if ($consumed{$key}->{'name'} eq $me) {
my $num=(split('\0',$key))[1];
return -$num;
}
}
}
}
my $max=$slot->{'maxspace'};
if (!defined($max)) { $max=99999; }
my (@ids)=&get_reservation_ids($slot_name);
if (&Apache::lonnet::error(@ids)) {
return 'error: Unable to determine current status';
}
my $last=0;
foreach my $id (@ids) {
my $num=(split('\0',$id))[1];
if ($num > $last) { $last=$num; }
}
my $wanted=$last+1;
&Apache::lonxml::debug("wanted $wanted<br />");
if (scalar(@ids) >= $max) {
# full up
return undef;
}
my %reservation=('name' => $env{'user.name'}.':'.$env{'user.domain'},
'timestamp' => time,
'symb' => $symb_for_db);
my $success=&Apache::lonnet::newput('slot_reservations',
{"$slot_name\0$wanted" =>
\%reservation},
$cdom, $cnum);
if ($success eq 'ok') {
my $new_value=$slot_name;
if ($value) {
$new_value=$value.':'.$new_value;
}
my $result = &store_slot_parm($symb,$symb_for_db,$slot_name,$parm_level,
$new_value,$cnum,$cdom,$env{'user.name'},
$env{'user.domain'},'reserve',$env{'form.context'});
return $wanted;
}
# someone else got it
return undef;
}
sub store_slot_parm {
my ($symb_for_parm,$symb_for_db,$slot_name,$parm_level,$new_value,
$cnum,$cdom,$uname,$udom,$action,$context,$delflag) = @_;
# store new parameter string
my $result=&Apache::lonparmset::storeparm_by_symb($symb_for_parm,
'0_availablestudent',
$parm_level,$new_value,
'string',$uname,$udom);
&Apache::lonxml::debug("hrrm $result");
my %storehash = (
symb => $symb_for_db,
slot => $slot_name,
action => $action,
context => $context,
);
&Apache::lonnet::write_log('course','slotreservationslog',\%storehash,
$delflag,$uname,$udom,$cnum,$cdom);
&Apache::lonnet::write_log('course',$cdom.'_'.$cnum.'_slotlog',\%storehash,
$delflag,$uname,$udom,$uname,$udom);
return $result;
}
sub remove_registration {
my ($r) = @_;
if ($env{'form.entry'} ne 'remove all') {
return &remove_registration_user($r);
}
my $slot_name = $env{'form.slotname'};
my %slot=&Apache::lonnet::get_slot($slot_name);
my ($cnum,$cdom)=&get_course();
my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
"^$slot_name\0");
if (&Apache::lonnet::error(%consumed)) {
$r->print("<p><span class=\"LC_error\">".&mt('A network error has occurred.').'</span></p>');
return;
}
if (!%consumed) {
$r->print('<p>'.&mt('Slot [_1] has no reservations.',
'<tt>'.$slot_name.'</tt>').'</p>');
return;
}
my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
my $names = join(' ',@names);
my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
&remove_registration_confirmation($r,$msg,['entry','slotname','context']);
}
sub remove_registration_user {
my ($r) = @_;
my $slot_name = $env{'form.slotname'};
my $name = &Apache::loncommon::plainname($env{'form.uname'},
$env{'form.udom'});
my $title = &Apache::lonnet::gettitle($env{'form.symb'});
my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
$name,$slot_name,$title);
&remove_registration_confirmation($r,$msg,['uname','udom','slotname',
'entry','symb','context']);
}
sub remove_registration_confirmation {
my ($r,$msg,$inputs) =@_;
my $hidden_input;
foreach my $parm (@{$inputs}) {
$hidden_input .=
'<input type="hidden" name="'.$parm.'" value="'
.&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
}
my %lt = &Apache::lonlocal::texthash(
'yes' => 'Yes',
'no' => 'No',
);
$r->print(<<"END_CONFIRM");
<p> $msg </p>
<form action="/adm/slotrequest" method="post">
<input type="hidden" name="command" value="release" />
<input type="hidden" name="button" value="yes" />
$hidden_input
<input type="submit" value="$lt{'yes'}" />
</form>
<form action="/adm/slotrequest" method="post">
<input type="hidden" name="command" value="showslots" />
<input type="submit" value="$lt{'no'}" />
</form>
END_CONFIRM
}
sub release_all_slot {
my ($r,$mgr)=@_;
my $slot_name = $env{'form.slotname'};
my ($cnum,$cdom)=&get_course();
my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
"^$slot_name\0");
$r->print('<p>'.&mt('Releasing reservations').'</p>');
foreach my $entry (sort { $consumed{$a}{'name'} cmp
$consumed{$b}{'name'} } (keys(%consumed))) {
my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
my ($result,$msg) =
&release_reservation($slot_name,$uname,$udom,
$consumed{$entry}{'symb'},$mgr);
if (!$result) {
$r->print('<p class="LC_error">'.&mt($msg).'</p>');
} else {
$r->print("<p>$msg</p>");
}
$r->rflush();
}
$r->print('<p><a href="/adm/slotrequest?command=showslots">'.
&mt('Return to slot list').'</a></p>');
&return_link($r);
}
sub release_slot {
my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
if ($mgr eq 'F'
&& defined($env{'form.uname'}) && defined($env{'form.udom'})) {
($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
}
if ($mgr eq 'F'
&& defined($env{'form.symb'})) {
$symb = &unescape($env{'form.symb'});
}
my ($result,$msg) =
&release_reservation($slot_name,$uname,$udom,$symb,$mgr);
if (!$result) {
$r->print('<p class="LC_error">'.&mt($msg).'</p>');
} else {
$r->print("<p>$msg</p>");
}
if ($mgr eq 'F') {
$r->print('<p><a href="/adm/slotrequest?command=showslots">'.
&mt('Return to slot list').'</a></p>');
}
if (!$inhibit_return_link) { &return_link($r); }
return $result;
}
sub release_reservation {
my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
my %slot=&Apache::lonnet::get_slot($slot_name);
my $description=&get_description($slot_name,\%slot);
my $msg;
if ($mgr ne 'F') {
if ($slot{'starttime'} < time) {
return (0,&mt('Not allowed to release Reservation: [_1], as it has already started.',$description));
}
}
my $context = $env{'form.context'};
# get navmap object
my $navmap=Apache::lonnavmaps::navmap->new;
if (!defined($navmap)) {
return (0,'error: Unable to determine current status');
}
my ($cnum,$cdom)=&get_course();
# get slot reservations, check if user has reservation
my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
"^$slot_name\0");
#
# If release is because of a reservation *change*, symb(s) associated with reservation
# being dropped may differ from the current symb.
#
# We need to get symb(s) from slot_reservations.db, and for each symb, update
# the value of the availablestudent parameter, at the appropriate level
# (as dictated by the value of the useslots parameter for the symb and user).
#
# We also delete all entries for the slot being released, for the specific user.
#
my $conflict;
if (($env{'form.command'} eq 'change') && ($slot_name eq $env{'form.releaseslot'}) &&
($env{'form.slotname'} ne $slot_name)) {
my %changedto = &Apache::lonnet::get_slot($env{'form.slotname'});
# check for conflicts
my ($to_uniq_start,$to_uniq_end,$from_uniq_start,$from_uniq_end);
if (ref($changedto{'uniqueperiod'}) eq 'ARRAY') {
($to_uniq_start,$to_uniq_end) = @{$changedto{'uniqueperiod'}};
}
if (ref($slot{'uniqueperiod'}) eq 'ARRAY') {
($from_uniq_start,$from_uniq_end) = @{$slot{'uniqueperiod'}};
}
my $to_start = $changedto{'starttime'};
my $to_end = $changedto{'endtime'};
my $from_start = $slot{'starttime'};
my $from_end = $slot{'endtime'};
if (!
($from_start < $to_uniq_start && $from_end < $to_uniq_start) ||
($from_start > $to_uniq_end && $from_end > $to_uniq_end )) {
$conflict = 1;
}
if (!
($to_start < $from_uniq_start && $to_end < $from_uniq_start) ||
($to_start > $from_uniq_end && $to_end > $from_uniq_end )) {
$conflict = 1;
}
if ($conflict) {
my %symbs_for_slot;
my (%to_delete,%failed,%released);
foreach my $entry (keys(%consumed)) {
if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
$symbs_for_slot{$consumed{$entry}->{'symb'}} = 1;
$to_delete{$entry} = 1;
}
}
if (keys(%to_delete)) {
my @removals = keys(%to_delete);
if (&Apache::lonnet::del('slot_reservations',\@removals,
$cdom,$cnum) eq 'ok') {
foreach my $item (keys(%symbs_for_slot)) {
my $result = &update_selectable($navmap,$slot_name,$item,$cdom,
$cnum,$udom,$uname,$context);
if ($result =~ /^error/) {
$failed{$item} = 1;
} else {
$released{$item} = 1;
}
}
}
}
if (keys(%released)) {
$msg = '<span style="font-weight: bold;">'.
&mt('Released Reservation: [_1]',$description).'</span> '.
&mt('The following items had their reservation status change').':';
my (%folders,%pages,%container,%titles);
foreach my $item (keys(%released)) {
my $res = $navmap->getBySymb($item);
if (ref($res)) {
$titles{$item} = $res->title();
if ($res->is_map()) {
$folders{$item}{'title'} = $titles{$item};
if ($res->is_page()) {
$pages{$item}{'title'} = $titles{$item};
} else {
$folders{$item}{'title'} = $titles{$item};
}
} else {
my $mapsrc = $res->enclosing_map_src();
my $map = $navmap->getResourceByUrl($mapsrc);
if (ref($map)) {
if ($map->id() eq '0.0') {
$container{$mapsrc}{'title'} &mt('Top level of course');
} else {
$container{$mapsrc}{'title'} = $map->title();
if ($map->is_page()) {
$container{$mapsrc}{'page'} = 1;
}
}
}
$container{$mapsrc}{'resources'}{$item} = 1;
}
}
}
$msg .= '<ul>';
if (keys(%folders)) {
$msg .= '<li>'.&mt('Folders').': '.
join(', ', map { $folders{$_}{'title'} } (sort { $folders{$b}{'title'} cmp $folders{$a}{'title'} } (keys(%folders)))).
'</li>';
}
if (keys(%pages)) {
$msg .= '<li>'.&mt('Composite Pages').': '.
join(', ', map { $pages{$_}{'title'} } (sort { $pages{$b}{'title'} cmp $pages{$a}{'title'} } (keys(%pages)))).
'</li>';
}
if (keys(%container)) {
$msg .= '<li>'.&mt('Resources').':<ul>';
foreach my $key (sort { $container{$b}{'title'} cmp $container{$a}{'title'} } (keys(%container))) {
if (ref($container{$key}{'resources'}) eq 'HASH') {
$msg .= '<li>'.
join(', ', map { $titles{$_} } (sort(keys(%{$container{$key}{'resources'}}))));
if ($container{$key}{'page'}) {
$msg .= ' '.&mt('(in composite page [_1])',$container{$key}{'title'}).'</li>';
} else {
$msg .= ' '.&mt('(in folder [_1])',$container{$key}{'title'}).'</li>';
}
}
}
$msg .= '</ul></li>';
}
$msg .= '</ul>';
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);
} else {
if (keys(%to_delete)) {
$msg = &mt('Reservation release partially complete for [_1]',$description);
} else {
$msg = &mt('No entries found for this user to release for [_1].',$description);
}
return (0,$msg);
}
} else {
$msg = &mt('No conflict found; not releasing: [_1].',$description);
return (0,$msg);
}
}
my $map_symb;
my $parm_symb = $symb;
my $passed_resource = $navmap->getBySymb($symb);
# if the reservation symb is for a map get a resource in that map
# to check slot parameters on
my $parm_level = 1;
if (ref($passed_resource)) {
if ($passed_resource->is_map()) {
my ($a_resource) =
$navmap->retrieveResources($passed_resource,
sub {$_[0]->is_problem() || $_[0]->is_tool() },0,1);
$parm_symb = $a_resource->symb();
}
} else {
unless ($mgr eq 'F') {
return (0,'error: Unable to determine current status');
}
}
# Get value of useslots parameter in effect for this user.
# If value is map or map_map, then the parm level is 2 (i.e.,
# non-recursive enclosing map/folder level for specific user)
# and the symb for this reservation in slot_reservations.db
# will be the symb of the map itself.
my $use_slots = &Apache::lonnet::EXT('resource.0.useslots',
$parm_symb,$udom,$uname);
if (&Apache::lonnet::error($use_slots)) {
return (0,'error: Unable to determine current status');
}
if ($use_slots eq 'map' || $use_slots eq 'map_map') {
$parm_level = 2;
if ($passed_resource->is_map()) {
$map_symb = $passed_resource->symb();
} else {
my ($map) = &Apache::lonnet::decode_symb($symb);
$map_symb = &Apache::lonnet::symbread($map);
}
}
#
# If release is *not* because of a reservation change, i.e., this is a "drop"
# by a student, or a removal for a single student by an instructor then
# only remove one entry from slot_reservations.db, where both the user
# and the symb match the current context. If useslots was set to map or
# map_map, then the symb to match in slot_reservations.db is the symb of
# the enclosing map/folder, not the symb of the resource.
#
my ($match,$symb_to_check);
if ($parm_level == 2) {
$symb_to_check = $map_symb;
} else {
$symb_to_check = $parm_symb;
}
foreach my $entry (keys(%consumed)) {
if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
if ($consumed{$entry}->{'symb'} eq $symb_to_check) {
if (&Apache::lonnet::del('slot_reservations',[$entry],
$cdom,$cnum) eq 'ok') {
$match = $symb_to_check;
}
last;
}
}
}
if ($match) {
if (&update_selectable($navmap,$slot_name,$symb,$cdom,
$cnum,$udom,$uname,$context) =~ /^error/) {
if ($mgr eq 'F') {
$msg = &mt('Reservation release partially complete for: [_1]',"$uname:$udom").'<br />'.
&mt('Update of availablestudent parameter for [_1] was not completed.',"$uname:$udom");
} else {
$msg = &mt('Release partially complete for: [_1]',$description);
}
return (0,$msg);
} else {
if ($mgr eq 'F') {
$msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
} else {
$msg = '<span style="font-weight: bold;">'.&mt('Released reservation: [_1]',$description).'</span><br /><br />';
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);
}
} else {
$msg = &mt('Release failed for: [_1]',$description);
return (0,$msg);
}
}
sub update_selectable {
my ($navmap,$slot_name,$symb,$cdom,$cnum,$udom,$uname,$context) = @_;
return 'error: ' unless (ref($navmap));
my $symb_for_parm = $symb;
my $passed_resource = $navmap->getBySymb($symb);
return 'error: invalid symb' unless (ref($passed_resource));
# if the reservation symb is for a map get a resource in that map
# to check slot parameters on
if ($passed_resource->is_map()) {
my ($a_resource) =
$navmap->retrieveResources($passed_resource,
sub {$_[0]->is_problem() || $_[0]->is_tool() },0,1);
$symb_for_parm = $a_resource->symb();
}
# get parameter string, check for existence, rebuild string with the slot
my $student = &Apache::lonnet::EXT('resource.0.availablestudent',
$symb_for_parm,$udom,$uname);
# Get value of useslots parameter in effect for this user.
# If value is map or map_map, then the parm level is 2 (i.e.,
# non-recursive enclosing map/folder level for specific user)
# and the symb for this reservation in slot_reservations.db
# will be the symb of the map itself.
my $use_slots = &Apache::lonnet::EXT('resource.0.useslots',
$symb_for_parm,$udom,$uname);
&Apache::lonxml::debug("use_slots is $use_slots<br />");
if (&Apache::lonnet::error($use_slots)) {
return 'error: Unable to determine current status';
}
my $parm_level = 1;
if ($use_slots eq 'map' || $use_slots eq 'map_map') {
$parm_level = 2;
}
my @slots = split(/:/,$student);
my @new_slots;
foreach my $exist_slot (@slots) {
next if ($exist_slot eq $slot_name);
push(@new_slots,$exist_slot);
}
my $new_value = join(':',@new_slots);
my $result = &store_slot_parm($symb_for_parm,$symb,$slot_name,$parm_level,
$new_value,$cnum,$cdom,$uname,$udom,'release',
$context,1);
return $result;
}
sub delete_slot {
my ($r)=@_;
my $slot_name = $env{'form.slotname'};
my %slot=&Apache::lonnet::get_slot($slot_name);
my ($cnum,$cdom)=&get_course();
my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
"^$slot_name\0");
my ($tmp) = %consumed;
if ($tmp =~ /error: 2/) { undef(%consumed); }
if (%slot && !%consumed) {
$slot{'type'} = 'deleted';
my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
$cdom, $cnum);
if ($ret eq 'ok') {
$r->print('<p>'.&mt('Slot [_1] marked as deleted.','<tt>'.$slot_name.'</tt>').'</p>');
} else {
$r->print('<p class="LC_error">'.&mt('An error occurred when attempting to delete slot: [_1]','<tt>'.$slot_name.'</tt>')." ($ret)</p>");
}
} else {
if (%consumed) {
$r->print('<p>'.&mt('Slot [_1] has active reservations.','<tt>'.$slot_name.'</tt>').'</p>');
} else {
$r->print('<p>'.&mt('Slot [_1] does not exist.','<tt>'.$slot_name.'</tt>').'</p>');
}
}
$r->print('<p><a href="/adm/slotrequest?command=showslots">'.
&mt('Return to slot list').'</a></p>');
&return_link($r);
}
sub return_link {
my ($r) = @_;
my $target = &return_target();
if (($env{'form.command'} eq 'manageresv') || ($env{'form.context'} eq 'usermanage')) {
$r->print('<p><a href="/adm/slotrequest?command=manageresv" target="'.$target.'">'.
&mt('Return to reservations').'</a></p>');
} else {
$r->print('<p><a href="/adm/flip?postdata=return:" target="'.$target.'">'.
&mt('Return to last resource').'</a></p>');
}
}
sub return_target {
my ($target,$ltitarget,$deeplinktarget);
if ($env{'request.lti.login'}) {
$ltitarget = $env{'request.lti.target'};
}
if ($env{'request.deeplink.login'}) {
$deeplinktarget = $env{'request.deeplink.target'};
}
if (($ltitarget eq 'iframe') || ($deeplinktarget eq '_self')) {
$target = '_self';
} else {
$target = '_top';
}
return $target;
}
sub get_slot {
my ($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('<p class="LC_error">'
.&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
.'</p>');
&return_link($r);
return 0;
}
if ($slot_name && $slot_name ne $conflictable_slot) {
my %slot=&Apache::lonnet::get_slot($slot_name);
my $description1=&get_description($slot_name,\%slot);
my $slottype1=$slot{'type'};
%slot=&Apache::lonnet::get_slot($env{'form.slotname'});
my $description2=&get_description($env{'form.slotname'},\%slot);
if ($slottype1 eq 'preassigned') {
$r->print('<p>'.&mt('You already have a reservation: "[_1]", assigned by your instructor.',
$description1).'</p>'.
'<p>'.&mt('Your instructor must unassign it before you can make a new reservation.').
'</p>');
} elsif ($slot_name ne $env{'form.slotname'}) {
$r->print(<<STUFF);
<form method="post" action="/adm/slotrequest">
<input type="hidden" name="symb" value="$env{'form.symb'}" />
<input type="hidden" name="slotname" value="$env{'form.slotname'}" />
<input type="hidden" name="releaseslot" value="$slot_name" />
<input type="hidden" name="command" value="change" />
STUFF
$r->print('<p class="LC_error">'.&mt('Reservation currently unchanged').'</p>');
if ($slot_name ne '') {
$r->print('<p>'.&mt('To complete the transaction you [_1]must confirm[_2] you want to [_3]process the change[_4] to [_5].'
,'<b>','</b>','<i>','</i>','<b>'.$description2.'</b>')
.'<br />'
.&mt('Or you can choose to [_1]make no change[_2] and continue[_2] with the reservation you already had: [_3].'
,'<i>','</i>','<b>'.$description1.'</b>')
.'</p><p><span class="LC_nobreak">'
.'<input type="submit" name="change" value="'.&mt('Process the change').'" />'
.(' 'x3)
.'<input type="submit" name="nochange" value="'.&mt('Make no change').'" />'
.'</span></p>');
}
$r->print(<<STUFF);
</form>
STUFF
} else {
$r->print('<p>'.&mt('Already have a reservation: [_1].',$description1).'</p>');
&return_link($r);
}
return 0;
}
my ($cnum,$cdom)=&get_course();
my $reserved=&make_reservation($env{'form.slotname'},
\%slot,$symb,$cnum,$cdom);
my $description=&get_description($env{'form.slotname'},\%slot);
if (defined($reserved)) {
my $retvalue = 0;
if ($slot_name =~ /^error: (.*)/) {
$r->print('<p class="LC_error">'
.&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
.'</p>');
} elsif ($reserved > -1) {
$r->print('<p style="font-weight: bold;">'.&mt('Successfully signed up: [_1]',$description).'</p>');
$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) {
$r->print('<p>'.&mt('Already reserved: [_1]',$description).'</p>');
}
if (!$inhibit_return_link) { &return_link($r); }
return 1;
}
my %lt = &Apache::lonlocal::texthash(
'request' => 'Availability list',
'try' => 'Try again?',
'or' => 'or',
);
my $extra_input;
if ($conflictable_slot) {
$extra_input='<input type="hidden" name="releaseslot" value="'.$env{'form.slotname'}.'" />';
}
$r->print('<p>'.&mt('[_1]Failed[_2] to reserve a slot for [_3].','<span class="LC_warning">','</span>',$description).'</p>');
$r->print(<<STUFF);
<p>
<form method="post" action="/adm/slotrequest">
<input type="submit" name="Try Again" value="$lt{'try'}" />
<input type="hidden" name="symb" value="$env{'form.symb'}" />
<input type="hidden" name="slotname" value="$env{'form.slotname'}" />
<input type="hidden" name="command" value="$env{'form.command'}" />
$extra_input
</form>
</p>
<p>
$lt{'or'}
<form method="post" action="/adm/slotrequest">
<input type="hidden" name="symb" value="$env{'form.symb'}" />
<input type="submit" name="requestattempt" value="$lt{'request'}" />
</form>
STUFF
if (!$inhibit_return_link) {
$r->print(&mt('or').'</p>');
&return_link($r);
} else {
$r->print('</p>');
}
return 0;
}
sub allowed_slot {
my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods,$toskip)=@_;
#already started
if ($slot->{'starttime'} < time) {
return 0;
}
&Apache::lonxml::debug("$slot_name starttime good");
#already ended
if ($slot->{'endtime'} < time) {
return 0;
}
&Apache::lonxml::debug("$slot_name endtime good");
# not allowed to pick this one
if (defined($slot->{'type'})
&& $slot->{'type'} ne 'schedulable_student') {
return 0;
}
&Apache::lonxml::debug("$slot_name type good");
# reserve time not yet started
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 $userallowed=0;
# its for a different set of users
if (defined($slot->{'allowedsections'})) {
if (!defined($env{'request.role.sec'})
&& grep(/^No section assigned$/,
split(',',$slot->{'allowedsections'}))) {
$userallowed=1;
}
if (defined($env{'request.role.sec'})
&& grep(/^\Q$env{'request.role.sec'}\E$/,
split(',',$slot->{'allowedsections'}))) {
$userallowed=1;
}
if (defined($env{'request.course.groups'})) {
my @groups = split(/:/,$env{'request.course.groups'});
my @allowed_sec = split(',',$slot->{'allowedsections'});
foreach my $group (@groups) {
if (grep {$_ eq $group} (@allowed_sec)) {
$userallowed=1;
last;
}
}
}
}
&Apache::lonxml::debug("$slot_name sections is $userallowed");
# its for a different set of users
if (defined($slot->{'allowedusers'})
&& grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
split(',',$slot->{'allowedusers'}))) {
$userallowed=1;
}
if (!defined($slot->{'allowedusers'})
&& !defined($slot->{'allowedsections'})) {
$userallowed=1;
}
&Apache::lonxml::debug("$slot_name user is $userallowed");
return 0 if (!$userallowed);
# not allowed for this resource
if (defined($slot->{'symb'})) {
my $exclude = 1;
my @symbs;
if ($slot->{'symb'} =~ /,/) {
@symbs = split(/\s*,\s*/,$slot->{'symb'});
} else {
@symbs = ($slot->{'symb'});
}
my ($map,$id,$url) = &Apache::lonnet::decode_symb($symb);
foreach my $reqsymb (@symbs) {
next if ($reqsymb eq '');
my ($slotmap,$slotid,$sloturl) = &Apache::lonnet::decode_symb($reqsymb);
if ($sloturl=~/\.(page|sequence)$/) {
if (($map ne '') && ($map eq $sloturl)) {
$exclude = 0;
last;
}
} elsif ($reqsymb eq $symb) {
$exclude = 0;
last;
}
}
if ($exclude) {
unless ((ref($toskip) eq 'HASH') && ($toskip->{'symb'})) {
return 0;
}
}
}
my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
$consumed_uniqueperiods);
if ($conflict =~ /^error: /) {
return 0;
} elsif ($conflict ne '') {
if ($slots->{$conflict}{'starttime'} < time) {
return 0;
}
}
&Apache::lonxml::debug("$slot_name symb good");
return 1;
}
sub get_description {
my ($slot_name,$slot)=@_;
my $description=$slot->{'description'};
if (!defined($description)) {
$description=&mt('[_1] From [_2] to [_3]',$slot_name,
&Apache::lonlocal::locallocaltime($slot->{'starttime'}),
&Apache::lonlocal::locallocaltime($slot->{'endtime'}));
}
return $description;
}
sub show_choices {
my ($symb,$formname,$num,$class,$slots,$consumed_uniqueperiods,$available,$got_slots)=@_;
my $output;
&Apache::lonxml::debug("Checking Slots");
if (!ref($available) eq 'ARRAY') {
return;
}
if (!@{$available}) {
$output = '<span class="LC_info">'.&mt('No available times.').'</span>';
if ($env{'form.command'} ne 'manageresv') {
my $target = &return_target();
$output .= ' <a href="/adm/flip?postdata=return:" target="'.$target.'">'.
&mt('Return to last resource').'</a>';
}
if ($class) {
return '<div class="'.$class.'">'.$output.'</div>';
} else {
return $output;
}
}
if (@{$available} > 1) {
my $numavailable = scalar(@{$available});
my $numreserved = 0;
my $js;
my $j = 0;
foreach my $got (@{$got_slots}) {
unless (($got eq '') || (!defined($got))) {
$numreserved ++;
if ($env{'form.command'} eq 'manageresv') {
$js .= " currslot[$j]='$got';\n";
$j++;
}
}
}
my $showfilter = 'none';
$output .= '<fieldset><legend>'.&mt('Actions').'</legend>'."\n".
'<form method="post" name="reservationdisplay_'.$num.
'" action="" onsubmit="toggleSlotDisplay(this.form,'."'$num'".');">';
my @options = ('all','filter');
if ($numreserved) {
unshift(@options,'show');
}
my %resmenu = &Apache::lonlocal::texthash (
show => 'Show current reservation',
all => 'Show all',
filter => 'Search by date',
);
foreach my $option (@options) {
my $onclick = "toggleSlotDisplay(this.form,'$num');";
if (($option eq 'show') && ($env{'form.command'} eq 'manageresv')) {
$onclick .= "currSlotDisplay$num(this.form,'$num');";
}
$output .= '<span class="LC_nobreak"><label>'.
'<input type="radio" class="LC_slotpick_radio" name="slotpick" value="'.
$option.'" onclick="'.$onclick.'" />'.
$resmenu{$option}.
'</label></span>'.(' ' x3)."\n";
}
$output .= '</form>';
my $chooserform = 'reservationchooser_'.$num;
my $starttime = $slots->{$available->[0]}->{'starttime'};
my $endtime = $slots->{$available->[-1]}->{'starttime'};
if ($env{'form.command'} eq 'manageresv') {
$output .= <<"ENDSCRIPT";
<script type="text/javascript">
// <![CDATA[
function currSlotDisplay$num() {
var currslot = new Array($numreserved);
$js
for (var j=0; j<$numreserved; j++) {
if (document.getElementById('LC_slotrow_$num\_'+currslot[j])) {
document.getElementById('LC_slotrow_$num\_'+currslot[j]).style.display = '';
}
}
}
// ]]>
</script>
ENDSCRIPT
}
$output .=
'<div id="LC_slotfilter_'.$num.'" style="display:'.$showfilter.'">'.
'<form method="post" name="'.$chooserform.'" action="">'.
'<table><tr><td>'.&mt('Open after').'</td><td>'.
&Apache::lonhtmlcommon::date_setter($chooserform,'start',$starttime,'','','','','','','',1,1).
'</td></tr><tr><td>'.&mt('Closed before').'</td><td>'.
&Apache::lonhtmlcommon::date_setter($chooserform,'end',$endtime,'','','','','','','',1,1).
'</td></tr></table><br />'.
'<input type="button" name="slotfilter" value="Search for reservable slots" onclick="updateSlotDisplay(this.form,'."'$num'".');" />'.
'</form></div><div id="LC_slotsearch_'.$num.'" style="display:none"><hr />';
}
if ($env{'form.command'} eq 'manageresv') {
$output .= '<table border="0">';
} else {
$output .= &Apache::loncommon::start_data_table();
}
foreach my $slot (@{$available}) {
my $description=&get_description($slot,$slots->{$slot});
my $form;
if ((grep(/^\Q$slot\E$/,@{$got_slots})) ||
&space_available($slot,$slots->{$slot},$symb)) {
my $text=&mt('Select');
my $command='get';
if (grep(/^\Q$slot\E$/,@{$got_slots})) {
$text=&mt('Drop Reservation');
$command='release';
} else {
my $conflict = &check_for_conflict($symb,$slot,$slots->{$slot},
$slots,$consumed_uniqueperiods);
if ($conflict) {
if ($conflict =~ /^error: /) {
$form = '<span class="LC_error">'.
&mt('Slot: [_1] has unknown status.',$description).
'</span>';
} else {
$text=&mt('Change Reservation');
$command='get';
}
}
}
my $escsymb=&escape($symb);
if (!$form) {
my $name;
if ($formname) {
$name = 'name="'.$formname.'"';
}
my $context = 'user';
if ($env{'form.command'} eq 'manageresv') {
$context = 'usermanage';
}
$form=<<STUFF;
<form method="post" action="/adm/slotrequest" $name>
<input type="submit" name="Select" value="$text" />
<input type="hidden" name="symb" value="$escsymb" />
<input type="hidden" name="slotname" value="$slot" />
<input type="hidden" name="command" value="$command" />
<input type="hidden" name="context" value="$context" />
</form>
STUFF
}
} else {
$form = &mt('Unavailable');
}
if ($env{'form.command'} eq 'manageresv') {
$output .= '<tr id="LC_slotrow_'.$num.'_'.$slot.'" >';
} else {
$output .= &Apache::loncommon::start_data_table_row('','LC_slotrow_'.$num.'_'.$slot);
}
$output .= "
<td>$form</td>
<td>$description</td>\n";
if ($env{'form.command'} eq 'manageresv') {
$output .= '</tr>';
} else {
$output .= &Apache::loncommon::end_data_table_row();
}
}
if ($env{'form.command'} eq 'manageresv') {
$output .= '</table>';
} else {
$output .= &Apache::loncommon::end_data_table();
}
if (@{$available} > 1) {
$output .= '</div></fieldset>';
}
if ($class) {
return '<div class="'.$class.'">'.$output.'</div>';
} else {
return $output;
}
}
sub to_show {
my ($slotname,$slot,$when,$deleted,$name) = @_;
my $time=time;
my $week=60*60*24*7;
if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
return 0;
}
if ($name && $name->{'value'} =~ /\w/) {
if ($name->{'type'} eq 'substring') {
if ($slotname !~ /\Q$name->{'value'}\E/) {
return 0;
}
}
if ($name->{'type'} eq 'exact') {
if ($slotname eq $name->{'value'}) {
return 0;
}
}
}
if ($when eq 'any') {
return 1;
} elsif ($when eq 'now') {
if ($time > $slot->{'starttime'} &&
$time < $slot->{'endtime'}) {
return 1;
}
return 0;
} elsif ($when eq 'nextweek') {
if ( ($time < $slot->{'starttime'} &&
($time+$week) > $slot->{'starttime'})
||
($time < $slot->{'endtime'} &&
($time+$week) > $slot->{'endtime'}) ) {
return 1;
}
return 0;
} elsif ($when eq 'lastweek') {
if ( ($time > $slot->{'starttime'} &&
($time-$week) < $slot->{'starttime'})
||
($time > $slot->{'endtime'} &&
($time-$week) < $slot->{'endtime'}) ) {
return 1;
}
return 0;
} elsif ($when eq 'willopen') {
if ($time < $slot->{'starttime'}) {
return 1;
}
return 0;
} elsif ($when eq 'wereopen') {
if ($time > $slot->{'endtime'}) {
return 1;
}
return 0;
}
return 1;
}
sub remove_link {
my ($slotname,$entry,$uname,$udom,$symb) = @_;
my $remove = &mt('Remove');
if ($entry eq 'remove all') {
$remove = &mt('Remove All');
undef($uname);
undef($udom);
}
$slotname = &escape($slotname);
$entry = &escape($entry);
$uname = &escape($uname);
$udom = &escape($udom);
$symb = &escape($symb);
return <<"END_LINK";
<a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb&context=manage"
>($remove)</a>
END_LINK
}
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);
}
my $available;
if ($mgr eq 'F') {
$r->print('<div>');
$r->print('<form method="post" action="/adm/slotrequest">
<input type="hidden" name="command" value="uploadstart" />
<input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
</form>');
$r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited'));
$r->print('<form method="post" action="/adm/helper/newslot.helper">
<input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
</form>');
$r->print(&Apache::loncommon::help_open_topic('Slot About'));
$r->print('</div>');
}
if (!keys(%slots)) {
$r->print(
'<p class="LC_info">'
.&mt('No slots have been created in this '.lc($crstype).'.')
.'</p>'
);
return;
}
my %Saveable_Parameters = ('show' => 'array',
'when' => 'scalar',
'order' => 'scalar',
'deleted' => 'scalar',
'name_filter_type' => 'scalar',
'name_filter_value' => 'scalar',
);
&Apache::loncommon::store_course_settings('slotrequest',
\%Saveable_Parameters);
&Apache::loncommon::restore_course_settings('slotrequest',
\%Saveable_Parameters);
&Apache::grades::init_perm();
my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
&Apache::grades::reset_perm();
# what to display filtering
my %show_fields=&Apache::lonlocal::texthash(
'name' => 'Slot Name',
'description' => 'Description',
'type' => 'Type',
'starttime' => 'Start time',
'endtime' => 'End Time',
'startreserve' => 'Time students can start reserving',
'endreserve' => 'Time students can no longer reserve',
'reservationmsg' => 'Message triggered by reservation',
'secret' => 'Secret Word',
'space' => '# of students/max',
'ip' => 'IP or DNS restrictions',
'symb' => 'Resource(s)/Map(s) slot is restricted to.',
'allowedsections' => 'Sections slot is restricted to.',
'allowedusers' => 'Users slot is restricted to.',
'uniqueperiod' => 'Period of time slot is unique',
'scheduled' => 'Scheduled Students',
'proctor' => 'List of proctors',
'iptied' => 'Unique IP each student',);
if ($crstype eq 'Community') {
$show_fields{'startreserve'} = &mt('Time members can start reserving');
$show_fields{'endreserve'} = &mt('Time members can no longer reserve');
$show_fields{'scheduled'} = &mt('Scheduled Members');
}
my @show_order=('name','description','type','starttime','endtime',
'startreserve','endreserve','reservationmsg','secret','space',
'ip','iptied','symb','allowedsections','allowedusers','uniqueperiod',
'scheduled','proctor');
my @show =
(exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
: keys(%show_fields);
my %show = map { $_ => 1 } (@show);
#when filtering setup
my %when_fields=&Apache::lonlocal::texthash(
'now' => 'Open now',
'nextweek' => 'Open within the next week',
'lastweek' => 'Were open last week',
'willopen' => 'Will open later',
'wereopen' => 'Were open',
'any' => 'Anytime',
);
my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
$when_fields{'select_form_order'} = \@when_order;
my $when = (exists($env{'form.when'})) ? $env{'form.when'}
: 'now';
#display of students setup
my %stu_display_fields=
&Apache::lonlocal::texthash('username' => 'User name',
'fullname' => 'Full name',
);
my @stu_display_order=('fullname','username');
my @stu_display =
(exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
: keys(%stu_display_fields);
my %stu_display = map { $_ => 1 } (@stu_display);
#name filtering setup
my %name_filter_type_fields=
&Apache::lonlocal::texthash('substring' => 'Substring',
'exact' => 'Exact',
#'reg' => 'Regular Expression',
);
my @name_filter_type_order=('substring','exact');
$name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
my $name_filter_type =
(exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
: 'substring';
my $name_filter = {'type' => $name_filter_type,
'value' => $env{'form.name_filter_value'},};
#deleted slot filtering
#default to hide if no value
$env{'form.deleted'} ||= 'hide';
my $hide_radio =
&Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
my $show_radio =
&Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
$r->print('<form method="post" action="/adm/slotrequest">
<input type="hidden" name="command" value="showslots" />');
$r->print('<div>');
$r->print('<table class="inline">
<tr><th>'.&mt('Show').'</th>
<th>'.&mt('Student Display').'</th>
<th>'.&mt('Open').'</th>
<th>'.&mt('Slot Name Filter').'</th>
<th>'.&mt('Options').'</th>
</tr>
<tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
'</td>
<td valign="top">
'.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
6,\%stu_display_fields,
\@stu_display_order).'
</td>
<td valign="top">'.&Apache::loncommon::select_form($when,'when',\%when_fields).
'</td>
<td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
'name_filter_type',
\%name_filter_type_fields).
'<br />'.
&Apache::lonhtmlcommon::textbox('name_filter_value',
$env{'form.name_filter_value'},
15).
'</td>
<td valign="top">
<table>
<tr>
<td rowspan="2">'.&mt('Deleted slots:').'</td>
<td><label>'.$show_radio.&mt('Show').'</label></td>
</tr>
<tr>
<td><label>'.$hide_radio.&mt('Hide').'</label></td>
</tr>
</table>
</td>
</tr>
</table>');
$r->print('</div>');
$r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
my $tableheader = &Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row().'
<th></th>';
foreach my $which (@show_order) {
if ($which ne 'proctor' && exists($show{$which})) {
$tableheader .= '<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>';
}
}
$tableheader .= &Apache::loncommon::end_data_table_header_row();
my $shownheader = 0;
my %name_cache;
my $slotsort = sub {
if ($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'}})
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($b);
}
} elsif ($env{'form.order'} eq 'uniqueperiod') {
if ($slots{$a}->{'uniqueperiod'}[0]
ne $slots{$b}->{'uniqueperiod'}[0]) {
return ($slots{$a}->{'uniqueperiod'}[0]
cmp $slots{$b}->{'uniqueperiod'}[0]);
}
if ($slots{$a}->{'uniqueperiod'}[1]
ne $slots{$b}->{'uniqueperiod'}[1]) {
return ($slots{$a}->{'uniqueperiod'}[1]
cmp $slots{$b}->{'uniqueperiod'}[1]);
}
}
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); }
}
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'} eq 'schedulable_student') {
$reservemsg = $msgops{$slots{$slot}->{'reservationmsg'}};
}
my $description=&get_description($slot,$slots{$slot});
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} }
(@this_slot)) {
my (undef,$id)=split("\0",$entry);
my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
$ids.= '<span class="LC_nobreak">';
foreach my $item (@stu_display_order) {
if ($stu_display{$item}) {
if ($item eq 'fullname') {
$ids.=$fullname->{"$uname:$udom"}.' ';
} elsif ($item eq 'username') {
$ids.="<tt>$uname:$udom</tt> ";
}
}
}
$ids.=&remove_link($slot,$entry,$uname,$udom,
$consumed{$entry}{'symb'}).'</span><br />';
}
}
}
my $start=($slots{$slot}->{'starttime'}?
&Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
my $end=($slots{$slot}->{'endtime'}?
&Apache::lonlocal::locallocaltime($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'})) {
$unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
localtime($slots{$slot}{'uniqueperiod'}[1]);
}
my @titles;
if (exists($slots{$slot}{'symb'})) {
my @symbs;
if ($slots{$slot}{'symb'} =~ /,/) {
@symbs = split(/\s*,\s*/,$slots{$slot}{'symb'});
} else {
@symbs = ($slots{$slot}{'symb'});
}
foreach my $reqsymb (@symbs) {
my (undef,undef,$res) =
&Apache::lonnet::decode_symb($reqsymb);
$res = &Apache::lonnet::clutter($res);
my $title = &Apache::lonnet::gettitle($reqsymb);
push(@titles,'<a href="'.$res.'?symb='.$reqsymb.'">'.$title.'</a>');
}
}
my $allowedsections;
if (exists($show{'allowedsections'})) {
$allowedsections =
join(', ',sort(split(/\s*,\s*/,
$slots{$slot}->{'allowedsections'})));
}
my @allowedusers;
if (exists($show{'allowedusers'})) {
@allowedusers= map {
my ($uname,$udom)=split(/:/,$_);
my $fullname=$name_cache{$_};
if (!defined($fullname)) {
$fullname = &Apache::loncommon::plainname($uname,$udom);
$fullname =~s/\s/ /g;
$name_cache{$_} = $fullname;
}
&Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
} (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
}
my $allowedusers=join(', ',@allowedusers);
my @proctors;
my $rowspan=1;
my $colspan=1;
if (exists($show{'proctor'})) {
$rowspan=2;
@proctors= map {
my ($uname,$udom)=split(/:/,$_);
my $fullname=$name_cache{$_};
if (!defined($fullname)) {
$fullname = &Apache::loncommon::plainname($uname,$udom);
$fullname =~s/\s/ /g;
$name_cache{$_} = $fullname;
}
&Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
} (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
}
my $proctors=join(', ',@proctors);
my %lt = &Apache::lonlocal::texthash (
edit => 'Edit',
delete => 'Delete',
slotlog => 'History',
);
my ($edit,$delete,$showlog,$remove_all);
if ($mgr) {
$edit=(<<"EDITLINK");
<a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
EDITLINK
$delete=(<<"DELETELINK");
<a href="/adm/slotrequest?command=delete&slotname=$slot">$lt{'delete'}</a>
DELETELINK
$remove_all=&remove_link($slot,'remove all').'<br />';
if ($ids eq '') {
undef($remove_all);
} else {
undef($delete);
}
}
$showlog=(<<"LOGLINK");
<a href="/adm/slotrequest?command=slotlog&slotname=$slot">$lt{'slotlog'}</a>
LOGLINK
if ($slots{$slot}{'type'} ne 'schedulable_student') {
undef($showlog);
undef($remove_all);
}
unless ($shownheader) {
$r->print($tableheader);
$shownheader = 1;
}
my $row_start=&Apache::loncommon::start_data_table_row();
my $row_end=&Apache::loncommon::end_data_table_row();
$r->print($row_start.
"\n<td rowspan=\"$rowspan\">$edit $delete $showlog</td>\n");
if (exists($show{'name'})) {
$colspan++;$r->print("<td>$slot</td>");
}
if (exists($show{'description'})) {
$colspan++;$r->print("<td>$description</td>\n");
}
if (exists($show{'type'})) {
$colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
}
if (exists($show{'starttime'})) {
$colspan++;$r->print("<td>$start</td>\n");
}
if (exists($show{'endtime'})) {
$colspan++;$r->print("<td>$end</td>\n");
}
if (exists($show{'startreserve'})) {
$colspan++;$r->print("<td>$start_reserve</td>\n");
}
if (exists($show{'endreserve'})) {
$colspan++;$r->print("<td>$end_reserve</td>\n");
}
if (exists($show{'reservationmsg'})) {
$colspan++;$r->print("<td>$reservemsg</td>\n");
}
if (exists($show{'secret'})) {
$colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
}
if (exists($show{'space'})) {
my $display = $id_count;
if ($slots{$slot}{'maxspace'}>0) {
$display.='/'.$slots{$slot}{'maxspace'};
if ($slots{$slot}{'maxspace'} <= $id_count) {
$display = '<strong>'.$display.' (full) </strong>';
}
}
$colspan++;$r->print("<td>$display</td>\n");
}
if (exists($show{'ip'})) {
$colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
}
if (exists($show{'iptied'})) {
$colspan++;
if ($slots{$slot}{'iptied'} eq 'yes') {
$r->print('<td>'.&mt('Yes')."</td>\n");
} elsif ($slots{$slot}{'iptied'} eq 'answer') {
$r->print('<td>'.&mt('Yes, including post-answer date')."</td>\n");
} else {
$r->print('<td>'.&mt('No')."</td>\n");
}
}
if (exists($show{'symb'})) {
$colspan++;$r->print("<td>".join('<br />',@titles)."</td>\n");
}
if (exists($show{'allowedsections'})) {
$colspan++;$r->print("<td>$allowedsections</td>\n");
}
if (exists($show{'allowedusers'})) {
$colspan++;$r->print("<td>$allowedusers</td>\n");
}
if (exists($show{'uniqueperiod'})) {
$colspan++;$r->print("<td>$unique</td>\n");
}
if (exists($show{'scheduled'})) {
$colspan++;$r->print("<td>$remove_all $ids</td>\n");
}
$r->print("$row_end\n");
if (exists($show{'proctor'})) {
$r->print(<<STUFF);
$row_start
<td colspan="$colspan">$proctors</td>
$row_end
STUFF
}
}
if ($shownheader) {
$r->print(&Apache::loncommon::end_data_table());
} else {
$r->print('<p>'.&mt('No slots meet the criteria for display').'</p>');
}
$r->print('</form>');
return;
}
sub manage_reservations {
my ($r,$crstype,$slots,$consumed_uniqueperiods,$allavailable) = @_;
my ($cnum,$cdom)=&get_course();
my $navmap = Apache::lonnavmaps::navmap->new();
$r->print('<p>'
.&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.')
.'<br />'
.&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.')
.'</p>'
);
if (!defined($navmap)) {
$r->print('<div class="LC_error">');
if ($crstype eq 'Community') {
$r->print(&mt('Unable to retrieve information about community contents'));
} else {
$r->print(&mt('Unable to retrieve information about course contents'));
}
$r->print('</div>');
&Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
return;
}
if (ref($consumed_uniqueperiods) eq 'HASH') {
if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
$r->print('<span class="LC_error">'.
&mt('An error occurred determining slot availability.').
'</span>');
return;
}
} elsif ($consumed_uniqueperiods =~ /^error: /) {
$r->print('<span class="LC_error">'.
&mt('An error occurred determining slot availability.').
'</span>');
return;
}
my (%output,%slotinfo,%statusbymap,%repsymbs,%shownmaps);
my @possibles = $navmap->retrieveResources(undef,
sub { $_[0]->is_problem() || $_[0]->is_tool() },1,0);
foreach my $resource (@possibles) {
my ($useslots) = $resource->slot_control();
next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i));
my $symb = $resource->symb();
my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0');
my ($msg,$get_choices,$slotdescription);
my $status = $resource->simpleStatus('0');
my ($msg,$get_choices,$slotdescription);
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) {
$msg='<span class="LC_nobreak">'.&mt('Reserved:').
' '.$slotdescription.'</span><br />'.
&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) {
$msg='<span class="LC_nobreak">'.&mt('Reserved:').
' '.$slotdescription.'</span><br />'.
&mt('Problem is currently available.');
} elsif ($slot_status == $resource->RESERVED_LOCATION) {
$msg='<span class="LC_nobreak">'.&mt('Reserved:').
' '.$slotdescription.'</span><br />'.
&mt('Problem is available at a different location.');
$get_choices = 1;
} elsif ($slot_status == $resource->RESERVED_LATER) {
$msg='<span class="LC_nobreak">'.&mt('Reserved:').
' '.$slotdescription.'</span><br />'.
&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');
}
}
$output{$symb}{'msg'} = $msg;
if (($status == $resource->OPEN) && ($get_choices)) {
$output{$symb}{'hasaction'} = 1;
}
my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);
$mapurl = &Apache::lonnet::clutter($mapurl);
unless ($mapurl =~ /default\.sequence$/) {
$shownmaps{$mapurl} = 1;
my $map = $navmap->getResourceByUrl($mapurl);
if (ref($map)) {
my @pcs = split(/,/,$map->map_hierarchy());
shift(@pcs);
shift(@pcs);
if (@pcs) {
map { $shownmaps{$navmap->getByMapPc($_)->src()} = 1; } reverse(@pcs);
}
}
}
if (($useslots eq 'map_map') || ($useslots eq 'map')) {
if ($slot_status ne '') {
if (ref($statusbymap{$mapurl}{$slot_status}) eq 'ARRAY') {
push(@{$statusbymap{$mapurl}{$slot_status}},$symb);
} else {
$statusbymap{$mapurl}{$slot_status} = [$symb];
}
}
}
}
foreach my $mapurl (keys(%statusbymap)) {
if (ref($statusbymap{$mapurl}) eq 'HASH') {
if (keys(%{$statusbymap{$mapurl}}) == 1) {
my @values = values(%{$statusbymap{$mapurl}});
my $repsymb = $values[0][0];
if (ref($output{$repsymb}) eq 'HASH') {
$output{$mapurl}{'msg'} = $output{$repsymb}{'msg'};
$output{$mapurl}{'hasaction'} = $output{$repsymb}{'hasaction'};
}
$repsymbs{$mapurl} = $repsymb;
}
}
}
my (%parent,%container,%container_title);
my ($depth,$count,$reservable,$currcontainer,$rownum,$mapnum,$shown) = (0,0,0,0,0,0,0);
my @backgrounds = ("LC_even_row","LC_odd_row");
my $numcolors = scalar(@backgrounds);
my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
my $slotheader = '<p>'.
&mt('Your reservation status for any such assignments is listed below:').
'</p>'.
'<table class="LC_data_table LC_tableOfContent" id="LC_slot_reservations">'."\n";
my $shownheader = 0;
my $currmap;
my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
while (my $resource = $it->next()) {
if ($resource == $it->BEGIN_MAP()) {
$depth++;
$parent{$depth} = $currcontainer;
if (ref($container{$currcontainer})) {
my $currmapres = $container{$currcontainer};
my $currmaptitle = $container_title{$currcontainer};
$currmap = $currmapres->src();
my $currmaptype = 'sequence';
if ($currmapres->is_page()) {
$currmaptype = 'page';
}
if ($shownmaps{$currmap}) {
$mapnum ++;
$rownum ++;
$shown ++;
if (!$shownheader) {
$r->print($slotheader);
$shownheader = 1;
}
my $bgcolor = $backgrounds[$shown % $numcolors];
my ($spacers,$icon);
my $row = '<tr class="'.$bgcolor.'" id="LC_slotmaprow_'.$rownum.'">';
if (ref($statusbymap{$currmap}) eq 'HASH') {
my ($spacers,$icon) = &show_map_row($depth-1,$location,$currmaptype,$currmaptitle);
my $arrowstate = 'open';
if (keys(%{$statusbymap{$currmap}}) == 1) {
$arrowstate = 'closed';
}
$row .= '<td>'.$spacers.'<img src="/adm/lonIcons/arrow.'.$arrowstate.'.gif" '.
'id="arrow'.$mapnum.'" '.'alt="arrow" onmouseover="this.style.cursor=\'pointer\'" '.
'onclick="'."toggleSlotMap('$mapnum','$rownum');".'" />'.
$icon.(' ' x6).'</td>'."\n";
if (ref($output{$currmap}) eq 'HASH') {
my $formnum = $mapnum.'_'.$reservable+1;
my $class = 'LC_slotmaptext_'.$mapnum;
if ($output{$currmap}{'hasaction'}) {
$row .= '<td valign="top"><span class="'.$class.'">'.
$output{$currmap}{'msg'}.
'</span></td><td valign="top">'.
&slot_chooser($repsymbs{$currmap},$class,$formnum,
$allavailable,$slots,$consumed_uniqueperiods).
'</td>';
} else {
$row .= '<td colspan="2" valign="middle"><span class="'.$class.'">'.
$output{$currmap}{'msg'}.
'</span></td>';
}
$row .= '</tr>'."\n";
} else {
$row .= '<td colspan="2"> </td></tr>'."\n";
}
} else {
my ($spacers,$icon) = &show_map_row($depth,$location,$currmaptype,$currmaptitle);
$row .= '<td>'.$spacers.$icon.(' ' x6).'</td><td colspan="2"> </td></tr>'."\n";
}
$r->print($row);
}
}
} elsif ($resource == $it->END_MAP()) {
$depth--;
$currcontainer = $parent{$depth};
} elsif (ref($resource)) {
my $symb = $resource->symb();
next if (!$resource->is_problem() && !$resource->is_tool() &&
!$resource->is_sequence() && !$resource->is_page());
$count ++;
if (($resource->is_sequence()) || ($resource->is_page())) {
$currcontainer = $count;
$container{$currcontainer} = $resource;
$container_title{$currcontainer} = $resource->compTitle();
}
if ($resource->is_problem() || $resource->is_tool()) {
next unless (exists($output{$symb}));
$reservable ++;
$rownum ++;
if (!$shownheader) {
$r->print($slotheader);
$shownheader = 1;
}
my $style;
if (exists($output{$currmap})) {
$style = 'none';
} else {
$style = 'table-row';
$shown ++;
}
my $title = $resource->compTitle();
my $bgcolor = $backgrounds[$shown % $numcolors];
$r->print('<tr class="'.$bgcolor.' LC_slotresrow_'.$mapnum.'"'.
' style="display:'.$style.'" id="LC_slotresrow_'.$rownum.'">'.
'<td>');
for (my $i=0; $i<$depth; $i++) {
$r->print('<img src="'.$location.'" alt="" />');
}
$r->print('<a href="'.$resource->src().'?symb='.$symb.'">'.
'<img class="LC_contentImage" src="/adm/lonIcons/');
if ($resource->is_task()) {
$r->print('task.gif" alt="'.&mt('Task'));
} elsif ($resource->is_tool()) {
$r->print('unknown.gif" alt="'.&mt('External Tool'));
} else {
$r->print('problem.gif" alt="'.&mt('Problem'));
}
$r->print('" /><b>'.$title.'</b></a>'.(' ' x6).'</td>');
my $class = 'LC_slottext_'.$mapnum;
if ($output{$symb}{'hasaction'}) {
$r->print('<td valign="top"><span class="'.$class.'">'.$output{$symb}{'msg'}.'</span></td>'.
'<td valign="top">'.
&slot_chooser($symb,$class,$reservable,$allavailable,$slots,
$consumed_uniqueperiods).'</td>');
} else {
$r->print('<td colspan="2" valign="middle">'.
'<span class="'.$class.'">'.$output{$symb}{'msg'}.'</span>'.
'</td>');
}
$r->print('</tr>'."\n");
}
}
}
if ($shownheader) {
$r->print('</table>');
}
if (!$reservable) {
$r->print('<span class="LC_info">');
if ($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('</span>');
}
$r->print('<p><a href="/adm/slotrequest?command=showresv">'.
&mt('Reservation History').'</a></p>');
}
sub show_map_row {
my ($depth,$location,$type,$title) = @_;
my $spacers;
for (my $i=0; $i<$depth-1; $i++) {
$spacers .= '<img src="'.$location.'" alt="" />';
}
my $icon;
if ($type eq 'page') {
$icon = '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" /> '."\n";
} else {
$icon = '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n";
}
$icon .= $title;
return ($spacers,$icon);
}
sub slot_chooser {
my ($symb,$class,$formnum,$allavailable,$slots,$consumed_uniqueperiods) = @_;
my $output;
my @got_slots=&check_for_reservation($symb,'allslots');
if ($got_slots[0] =~ /^error: /) {
$output = '<span class="'.$class.'"><span class="LC_error">'.
&mt('An error occurred determining slot availability.').
'</span></span>';
} else {
my $formname = 'manageres_'.$formnum;
if (ref($allavailable) eq 'ARRAY') {
my @available;
if (ref($slots) eq 'HASH') {
foreach my $slot (@{$allavailable}) {
# not allowed for this resource
if (ref($slots->{$slot}) eq 'HASH') {
if ($slots->{$slot}->{'symb'} ne '') {
my ($map,$id,$url) = &Apache::lonnet::decode_symb($symb);
my $exclude = 1;
my @reqsymbs = split(/\s*,\s*/,$slots->{$slot}->{'symb'});
if (@reqsymbs) {
if (grep(/^\Q$symb\E$/,@reqsymbs)) {
$exclude = 0;
} else {
foreach my $reqsymb (@reqsymbs) {
my (undef,undef,$sloturl) = &Apache::lonnet::decode_symb($reqsymb);
if ($sloturl=~/\.(page|sequence)$/) {
if (($map ne '') && ($map eq $sloturl)) {
$exclude = 0;
last;
}
}
}
}
next if ($exclude);
}
}
}
push(@available,$slot);
}
}
$output .= &show_choices($symb,$formname,$formnum,$class,
$slots,$consumed_uniqueperiods,
\@available,\@got_slots);
}
}
return $output;
}
sub show_reservations {
my ($r,$uname,$udom) = @_;
if (!defined($uname)) {
$uname = $env{'user.name'};
}
if (!defined($udom)) {
$udom = $env{'user.domain'};
}
my $formname = 'slotlog';
my ($cnum,$cdom)=&get_course();
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('<div class="LC_fontsize_large">');
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('</div>');
}
$r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
# 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 $tablehdr = &Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row().
'<th> </th><th>'.&mt('When').'</th><th>'.&mt('Action').'</th>'.
'<th>'.&mt('Description').'</th><th>'.&mt('Start time').'</th>'.
'<th>'.&mt('End time').'</th><th>'.&mt('Resource').'</th>'.
&Apache::loncommon::end_data_table_header_row();
my ($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};
}
$r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$chgaction.'</td><td>'.$description.'</td><td>'.$start.'</td><td>'.$end.'</td><td>'.$title.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
}
if ($showntablehdr) {
$r->print(&Apache::loncommon::end_data_table().'<br />');
if (($curr{'page'} > 1) || ($more_records)) {
$r->print('<p>');
if ($curr{'page'} > 1) {
$r->print('<input type="button" onclick="javascript:chgPage('."'previous'".');" value="'.
&mt('Previous [_1] changes',$curr{'show'}).'" />');
}
if ($more_records) {
$r->print('<input type="button" onclick="javascript:chgPage('."'next'".');" value="'.
&mt('Next [_1] changes',$curr{'show'}).'" />');
}
$r->print('</p>');
$r->print(<<"ENDSCRIPT");
<script type="text/javascript">
// <![CDATA[
function chgPage(caller) {
if (caller == 'previous') {
document.$formname.page.value --;
}
if (caller == 'next') {
document.$formname.page.value ++;
}
document.$formname.submit();
return;
}
// ]]>
</script>
ENDSCRIPT
}
} else {
$r->print('<span class="LC_info">'
.&mt('There are no transactions to display.')
.'</span>'
);
}
$r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'."\n".
'<input type="hidden" name="command" value="showresv" />'."\n");
if ($env{'form.origin'} eq 'aboutme') {
$r->print('<input type="hidden" name="origin" value="'.$env{'form.origin'}.'" />'."\n".
'<input type="hidden" name="uname" value="'.$env{'form.uname'}.'" />'."\n".
'<input type="hidden" name="udom" value="'.$env{'form.udom'}.'" />'."\n");
}
$r->print('</form>');
return;
}
sub show_reservations_log {
my ($r) = @_;
my $badslot;
my $crstype = &Apache::loncommon::course_type();
if ($env{'form.slotname'} eq '') {
$r->print('<div class="LC_warning">'.&mt('No slot name provided').'</div>');
$badslot = 1;
} else {
my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
if (keys(%slot) == 0) {
$r->print('<div class="LC_warning">'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'</div>');
$badslot = 1;
} elsif ($slot{type} ne 'schedulable_student') {
my $description = &get_description($env{'form.slotname'},\%slot);
$r->print('<div class="LC_warning">');
if ($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('</div>');
$badslot = 1;
}
}
if ($badslot) {
$r->print('<p><a href="/adm/slotrequest?command=showslots">'.
&mt('Return to slot list').'</a></p>');
return;
}
my $formname = 'reservationslog';
my ($cnum,$cdom)=&get_course();
my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$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'});
}
}
}
}
}
}
$r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
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'};
$r->print('<span class="LC_fontsize_large">');
if ($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('</span><br />');
$r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs));
my $showntablehdr = 0;
my $tablehdr = &Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row().
'<th> </th><th>'.&mt('When').'</th><th>'.&mt('Who made the change').
'</th><th>'.&mt('Affected User').'</th><th>'.&mt('Action').'</th>'.
'<th>'.&mt('Resource').'</th><th>'.&mt('Context').'</th>'.
&Apache::loncommon::end_data_table_header_row();
my ($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};
}
$r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}}.'</td><td>'.$changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}}.'</td><td>'.$chgaction.'</td><td>'.$title.'</td><td>'.$chgcontext.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
}
if ($showntablehdr) {
$r->print(&Apache::loncommon::end_data_table().'<br />');
if (($curr{'page'} > 1) || ($more_records)) {
$r->print('<p>');
if ($curr{'page'} > 1) {
$r->print('<input type="button" onclick="javascript:chgPage('."'previous'".');" value="'.
&mt('Previous [_1] changes',$curr{'show'}).'" />');
}
if ($more_records) {
$r->print('<input type="button" onclick="javascript:chgPage('."'next'".');" value="'.
&mt('Next [_1] changes',$curr{'show'}).'" />');
}
$r->print('</p>');
$r->print(<<"ENDSCRIPT");
<script type="text/javascript">
function chgPage(caller) {
if (caller == 'previous') {
document.$formname.page.value --;
}
if (caller == 'next') {
document.$formname.page.value ++;
}
document.$formname.submit();
return;
}
</script>
ENDSCRIPT
}
} else {
$r->print(&mt('There are no records to display.'));
}
$r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'.
'<input type="hidden" name="slotname" value="'.$env{'form.slotname'}.'" />'.
'<input type="hidden" name="command" value="slotlog" /></form>'.
'<p><a href="/adm/slotrequest?command=showslots">'.
&mt('Return to slot list').'</a></p>');
return;
}
sub get_resource_title {
my ($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 Content');
} 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 $output = '<br /><table><tr><td valign="top">'.
'<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
&Apache::lonmeta::selectbox('show',$curr->{'show'},'',undef,
(&mt('all'),5,10,20,50,100,1000,10000)).
'</td><td> </td>';
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);
$output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
'</b><br /><table><tr><td>'.&mt('After:').
'</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
$endform.'</td></tr></table></td><td> </td>';
if (ref($allsymbs) eq 'ARRAY') {
$output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
'<select name="resource"><option value="any"';
if ($curr->{'resource'} eq 'any') {
$output .= ' selected="selected"';
}
$output .= '>'.&mt('Any').'</option>'."\n";
foreach my $symb (@{$allsymbs}) {
my $title = &get_resource_title($symb,\%titles,\%maptitles);
my $selstr = '';
if ($curr->{'resource'} eq $symb) {
$selstr = ' selected="selected"';
}
$output .= ' <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
}
$output .= '</select></td><td> </td><td valign="top"><b>'.
&mt('Context:').'</b><br /><select name="chgcontext">';
foreach my $chgtype ('any','user','manage','parameter') {
my $selstr = '';
if ($curr->{'chgcontext'} eq $chgtype) {
$output .= $selstr = ' selected="selected"';
}
$output .= '<option value="'.$chgtype.'"'.$selstr.'>'.$lt{$chgtype}.'</option>'."\n";
}
$output .= '</select></td>';
} else {
$output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
'<select name="action"><option value="any"';
if ($curr->{'action'} eq 'any') {
$output .= ' selected="selected"';
}
$output .= '>'.&mt('Any').'</option>'."\n";
foreach my $actiontype ('reserve','release') {
my $selstr = '';
if ($curr->{'action'} eq $actiontype) {
$output .= $selstr = ' selected="selected"';
}
$output .= '<option value="'.$actiontype.'"'.$selstr.'>'.$lt{$actiontype}.'</option>'."\n";
}
$output .= '</select></td>';
}
$output .= '<td> </td></tr></table>'.
'<p><input type="submit" value="'.
&mt('Update Display').'" /></p>'.
'<p class="LC_info">'.
&mt('Only changes made from servers running LON-CAPA [_1] or later are displayed.'
,'2.9.0');
if ($version) {
$output .= ' '.&mt('This LON-CAPA server is version [_1]',$version);
}
$output .= '</p><hr /><br />';
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 = '<li>'.&mt('Sent to you: [_1]',
$message_status).' </li>';
}
if ($setting eq 'student_and_user_notes_screen') {
$comment_status =
&Apache::lonmsg::store_instructor_comment($subject.'<br />'.
$msg,$user,$domain);
$comment_status = '<li>'.&mt('Entry added to course record (viewable by instructor): [_1]',
$comment_status).'</li>';
}
if ($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') {
$msgtitle = &mt('Status of messages about unchanged existing reservation');
}
return '<span class="LC_info">'.$msgtitle.'</span>'
.'<ul>'
.$message_status
.$comment_status
.'</ul><hr />';
}
}
sub upload_start {
my ($r)=@_;
$r->print(
&Apache::grades::checkforfile_js()
.'<h2>'.&mt('Upload a file containing the slot definitions').'</h2>'
.'<form method="post" enctype="multipart/form-data"'
.' action="/adm/slotrequest" name="slotupload">'
.'<input type="hidden" name="command" value="csvuploadmap" />'
.&Apache::lonhtmlcommon::start_pick_box()
.&Apache::lonhtmlcommon::row_title(&mt('File'))
.&Apache::loncommon::upfile_select_html()
.&Apache::lonhtmlcommon::row_closure()
.&Apache::lonhtmlcommon::row_title(
'<label for="noFirstLine">'
.&mt('Ignore First Line')
.'</label>')
.'<input type="checkbox" name="noFirstLine" id="noFirstLine" />'
.&Apache::lonhtmlcommon::row_closure(1)
.&Apache::lonhtmlcommon::end_pick_box()
.'<p>'
.'<input type="button" onclick="javascript:checkUpload(this.form);"'
.' value="'.&mt('Next').'" />'
.'</p>'
.'</form>'
);
}
sub csvuploadmap_header {
my ($r,$datatoken,$distotal)= @_;
my $javascript;
if ($env{'form.upfile_associate'} eq 'reverse') {
$javascript=&csvupload_javascript_reverse_associate();
} else {
$javascript=&csvupload_javascript_forward_associate();
}
my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
my $ignore=&mt('Ignore First Line');
my $buttontext = &mt('Reverse Association');
$r->print(
'<form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">'
.'<h2>'.&mt('Identify fields in uploaded list').'</h2>'
.'<div class="LC_columnSection">'
.&Apache::loncommon::help_open_topic(
'Slot About',&mt('Help on slots'))
.' '.&Apache::loncommon::help_open_topic(
'Slot SelectingField',&mt('Help on selecting Fields'))
."</div>\n"
.'<p class="LC_info">'
.&mt('Total number of records found in file: [_1]','<b>'.$distotal.'</b>')
."</p>\n"
);
if ($distotal == 0) {
$r->print('<p class="LC_warning">'.&mt('None found').'</p>');
}
$r->print(
'<p>'
.&mt('Enter as many fields as you can.').'<br />'
.&mt('The system will inform you and bring you back to this page,[_1]if the data selected is insufficient to create the slots.','<br />')
.'</p>'
);
$r->print(
'<div class="LC_left_float">'
.'<fieldset><legend>'.&mt('Functions').'</legend>'
.'<label><input type="checkbox" name="noFirstLine"'.$checked.' />'.$ignore.'</label>'
.' <input type="button" value="'.$buttontext
.'" onclick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />'
.'</fieldset></div><br clear="all" />'
);
$r->print(<<ENDPICK);
<input type="hidden" name="associate" value="" />
<input type="hidden" name="datatoken" value="$datatoken" />
<input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
<input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
<input type="hidden" name="upfile_associate"
value="$env{'form.upfile_associate'}" />
<input type="hidden" name="command" value="csvuploadassign" />
<script type="text/javascript" language="Javascript">
// <![CDATA[
$javascript
// ]]>
</script>
ENDPICK
return '';
}
sub csvuploadmap_footer {
my ($request,$i,$keyfields) =@_;
my $buttontext = &mt('Create Slots');
$request->print(<<ENDPICK);
<input type="hidden" name="nfields" value="$i" />
<input type="hidden" name="keyfields" value="$keyfields" />
<input type="button" onclick="javascript:verify(this.form)" value="$buttontext" /><br />
</form>
ENDPICK
}
sub csvupload_javascript_reverse_associate {
my $error1=&mt('You need to specify the name, start time, end time and a type.');
return(<<ENDPICK);
function verify(vf) {
var foundstart=0;
var foundend=0;
var foundname=0;
var foundtype=0;
for (i=0;i<=vf.nfields.value;i++) {
tw=eval('vf.f'+i+'.selectedIndex');
if (i==0 && tw!=0) { foundname=1; }
if (i==1 && tw!=0) { foundtype=1; }
if (i==2 && tw!=0) { foundstat=1; }
if (i==3 && tw!=0) { foundend=1; }
}
if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
alert('$error1');
return;
}
vf.submit();
}
function flip(vf,tf) {
}
ENDPICK
}
sub csvupload_javascript_forward_associate {
my $error1=&mt('You need to specify the name, start time, end time and a type.');
return(<<ENDPICK);
function verify(vf) {
var foundstart=0;
var foundend=0;
var foundname=0;
var foundtype=0;
for (i=0;i<=vf.nfields.value;i++) {
tw=eval('vf.f'+i+'.selectedIndex');
if (tw==1) { foundname=1; }
if (tw==2) { foundtype=1; }
if (tw==3) { foundstat=1; }
if (tw==4) { foundend=1; }
}
if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
alert('$error1');
return;
}
vf.submit();
}
function flip(vf,tf) {
}
ENDPICK
}
sub csv_upload_map {
my ($r)= @_;
my $datatoken;
if (!$env{'form.datatoken'}) {
$datatoken=&Apache::loncommon::upfile_store($r);
} else {
$datatoken=&Apache::loncommon::valid_datatoken($env{'form.datatoken'});
if ($datatoken ne '') {
&Apache::loncommon::load_tmp_file($r,$datatoken);
}
}
my @records=&Apache::loncommon::upfile_record_sep();
if ($env{'form.noFirstLine'}) { shift(@records); }
&csvuploadmap_header($r,$datatoken,$#records+1);
my ($i,$keyfields);
if (@records) {
my @fields=&csvupload_fields();
if ($env{'form.upfile_associate'} eq 'reverse') {
&Apache::loncommon::csv_print_samples($r,\@records);
$i=&Apache::loncommon::csv_print_select_table($r,\@records,
\@fields);
foreach (@fields) { $keyfields.=$_->[0].','; }
chop($keyfields);
} else {
unshift(@fields,['none','']);
$i=&Apache::loncommon::csv_samples_select_table($r,\@records,
\@fields);
my %sone=&Apache::loncommon::record_sep($records[0]);
$keyfields=join(',',sort(keys(%sone)));
}
}
&csvuploadmap_footer($r,$i,$keyfields);
return '';
}
sub csvupload_fields {
return (['name','Slot name'],
['type','Type of slot'],
['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'],
['iptied','Unique IP each student'],
['proctor','List of proctor ids'],
['description','Slot Description'],
['maxspace','Maximum number of reservations'],
['symb','Resource(s)/Map(s) Restriction'],
['uniqueperiod','Date range of slot exclusion'],
['secret','Secret word proctor uses to validate'],
['allowedsections','Sections slot is restricted to'],
['allowedusers','Users slot is restricted to'],
);
}
sub csv_upload_assign {
my ($r,$mgr)= @_;
my $datatoken = &Apache::loncommon::valid_datatoken($env{'form.datatoken'});
if ($datatoken ne '') {
&Apache::loncommon::load_tmp_file($r,$datatoken);
}
my @slotdata = &Apache::loncommon::upfile_record_sep();
if ($env{'form.noFirstLine'}) { shift(@slotdata); }
my %fields=&Apache::grades::get_fields();
$r->print('<h3>'.&mt('Creating Slots').'</h3>');
my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
my $countdone=0;
my @errors;
foreach my $slot (@slotdata) {
my %slot;
my %entries=&Apache::loncommon::record_sep($slot);
my $domain;
my $name=$entries{$fields{'name'}};
if ($name=~/^\s*$/) {
push(@errors,"Did not create slot with no name");
next;
}
if ($name=~/\s/) {
push(@errors,"$name not created -- Name must not contain spaces");
next;
}
if ($name=~/\W/) {
push(@errors,"$name not created -- Name must contain only letters, numbers and _");
next;
}
if ($entries{$fields{'type'}}) {
$slot{'type'}=$entries{$fields{'type'}};
} else {
$slot{'type'}='preassigned';
}
if ($slot{'type'} ne 'preassigned' &&
$slot{'type'} ne 'schedulable_student') {
push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
next;
}
if ($entries{$fields{'starttime'}}) {
$slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
}
if ($entries{$fields{'endtime'}}) {
$slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
}
# start/endtime must be defined and greater than zero
if (!$slot{'starttime'}) {
push(@errors,"$name not created -- Invalid start time");
next;
}
if (!$slot{'endtime'}) {
push(@errors,"$name not created -- Invalid end time");
next;
}
if ($slot{'starttime'} > $slot{'endtime'}) {
push(@errors,"$name not created -- Slot starts after it ends");
next;
}
if ($entries{$fields{'startreserve'}}) {
my $date = &UnixDate($entries{$fields{'startreserve'}},"%s");
if ($date eq '') {
push(@errors,"$name -- No reservation start time set for slot -- value provided had invalid format");
} else {
$slot{'startreserve'} = $date;
}
}
if (defined($slot{'startreserve'})
&& $slot{'startreserve'} > $slot{'starttime'}) {
push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
next;
}
if ($entries{$fields{'endreserve'}}) {
my $date = &UnixDate($entries{$fields{'endreserve'}},"%s");
if ($date eq '') {
push(@errors,"$name -- No reservation end time set for slot -- value provided had invalid format");
} else {
$slot{'endreserve'} = $date;
}
}
if (defined($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}}) {
$slot{$key}=$entries{$fields{$key}};
if ($key eq 'maxspace') {
$slot{$key} =~ s/\D+//g;
}
}
}
if ($entries{$fields{'iptied'}} =~ /^\s*(yes|1)\s*$/i) {
$slot{'iptied'}='yes';
} elsif ($entries{$fields{'iptied'}} =~ /^\s*answer\s*$/i) {
$slot{'iptied'}='answer';
}
if ($entries{$fields{'allowedusers'}}) {
$entries{$fields{'allowedusers'}} =~ s/^\s+//;
$entries{$fields{'allowedusers'}} =~ s/\s+$//;
my @allowedusers;
foreach my $poss (split(/\s*,\s*/,$entries{$fields{'allowedusers'}})) {
my ($possuname,$possudom) = split(/:/,$poss);
if (($possuname =~ /^$match_username$/) && ($possudom =~ /^$match_domain$/)) {
unless (grep(/^\Q$poss\E$/,@allowedusers)) {
push(@allowedusers,$poss);
}
}
}
if (@allowedusers > 0) {
$slot{'allowedusers'} = join(',',@allowedusers);
}
}
if ($entries{$fields{'allowedsections'}}) {
$entries{$fields{'allowedsections'}} =~ s/^\s+//;
$entries{$fields{'allowedsections'}} =~ s/\s+$//;
my @allowedsections;
foreach my $poss (split(/\s*,\s*/,$entries{$fields{'allowedsections'}})) {
if (($poss !~ /\W/) && ($poss ne 'none')) {
unless (grep(/^\Q$poss\E$/,@allowedsections)) {
push(@allowedsections,$poss);
}
}
}
if (@allowedsections > 0) {
$slot{'allowedsections'} = join(',',@allowedsections);
}
}
if ($entries{$fields{'uniqueperiod'}}) {
my ($start,$end)= map { &UnixDate($_,"%s"); } split(',',$entries{$fields{'uniqueperiod'}});
if (($start ne '') && ($end ne '')) {
$slot{'uniqueperiod'}=[$start,$end];
} else {
push(@errors,"$name -- Slot's unique period ignored -- one or both of the comma separated values for start and end had an invalid format");
}
}
if (ref($slot{'uniqueperiod'}) eq 'ARRAY'
&& $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
next;
}
&Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
$r->print('.');
$r->rflush();
$countdone++;
}
if ($countdone) {
&Apache::lonnet::devalidate_slots_cache($cname,$cdom);
}
$r->print('<p>'.&mt('Created [quant,_1,slot]',$countdone)."\n".'</p>');
foreach my $error (@errors) {
$r->print('<p><span class="LC_warning">'.$error.'</span></p>'."\n");
}
&show_table($r,$mgr);
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 $r=shift;
&Apache::loncommon::content_type($r,'text/html');
&Apache::loncommon::no_cache($r);
if ($r->header_only()) {
$r->send_http_header();
return OK;
}
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
my %crumb_titles = &slot_command_titles();
my ($brcrum,$bread_crumbs_component);
my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
my (%slots,$consumed_uniqueperiods);
if ($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'} 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 (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
if ($env{'form.command'} eq 'manageresv') {
$title = 'Manage Reservations';
$brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
}
my ($cnum,$cdom)=&get_course();
%slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
$consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
} elsif ($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'},
help=>'Slot_Use'}];
$title = 'Managing Slots';
$bread_crumbs_component = 'Slots';
unless ($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 {
$brcrum =[];
}
my ($symb,$js,$available,$allavailable,$got_slots);
$available = [];
if ($env{'form.requestattempt'}) {
$symb=&unescape($env{'form.symb'});
@{$got_slots}=&check_for_reservation($symb,'allslots');
}
if (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
$js = &reservation_js(\%slots,$consumed_uniqueperiods,$available,$got_slots,$symb);
}
&start_page($r,$title,$brcrum,$bread_crumbs_component,$js,$mgr);
if ($env{'form.command'} eq 'manageresv') {
$allavailable = $available;
undef($available);
undef($got_slots);
my $crstype = &Apache::loncommon::course_type();
&manage_reservations($r,$crstype,\%slots,$consumed_uniqueperiods,$allavailable);
} elsif ($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);
} elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
if ($env{'form.entry'} eq 'remove all') {
&release_all_slot($r,$mgr);
} else {
&release_slot($r,undef,undef,undef,$mgr);
}
} elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
&delete_slot($r);
} elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
&upload_start($r);
} elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
&csv_upload_map($r);
} elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
if ($env{'form.associate'} ne 'Reverse Association') {
&csv_upload_assign($r,$mgr);
} else {
if ( $env{'form.upfile_associate'} ne 'reverse' ) {
$env{'form.upfile_associate'} = 'reverse';
} else {
$env{'form.upfile_associate'} = 'forward';
}
&csv_upload_map($r);
}
} elsif (($env{'form.command'} eq 'slotlog') && ($vgr eq 'F')) {
&show_reservations_log($r);
} else {
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'
&& $useslots ne 'map'
&& $useslots ne 'map_map') {
&fail($r,'not_available');
return OK;
}
$env{'request.symb'}=$symb;
my $type = ($res =~ /\.task$/) ? 'Task'
: 'problem';
my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
if ($status eq 'CAN_ANSWER' ||
$status eq 'NEEDS_CHECKIN' ||
$status eq 'WAITING_FOR_GRADE' ||
$status eq 'NEED_DIFFERENT_IP') {
&fail($r,'not_allowed');
return OK;
}
if ($env{'form.requestattempt'}) {
$r->print('<div class="LC_left_float">');
$r->print(&show_choices($symb,undef,undef,undef,\%slots,$consumed_uniqueperiods,$available,$got_slots));
$r->print('</div><div style="padding:0;clear:both;margin:0;border:0"></div>');
} elsif ($env{'form.command'} eq 'release') {
&release_slot($r,$symb);
} elsif ($env{'form.command'} eq 'get') {
&get_slot($r,$symb);
} elsif ($env{'form.command'} eq 'change') {
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);
$msg = '<span style="font-weight: bold;">'.
&mt('Unchanged reservation: [_1]',$description).'</span><br /><br />';
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 = '<span class="LC_warning">'.&mt('Reservation no longer reported as available.').'</span>';
}
$r->print($msg);
&return_link($r);
} elsif (&get_slot($r,$symb,$env{'form.releaseslot'},1)) {
&release_slot($r,$symb,$env{'form.releaseslot'});
}
} else {
$r->print('<p>'.&mt('Unknown command: [_1]',$env{'form.command'}).'</p>');
}
}
&end_page($r);
return OK;
}
1;
__END__
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