1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.126 2015/09/23 23:04:53 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::slotrequest;
31:
32: use strict;
33: use Apache::Constants qw(:common :http :methods);
34: use Apache::loncommon();
35: use Apache::lonlocal;
36: use Apache::lonnet;
37: use Apache::lonnavmaps();
38: use Date::Manip;
39: use lib '/home/httpd/lib/perl/';
40: use LONCAPA qw(:DEFAULT :match);
41:
42: sub fail {
43: my ($r,$code)=@_;
44: if ($code eq 'not_valid') {
45: $r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>');
46: } elsif ($code eq 'not_available') {
47: $r->print('<p>'.&mt('No slots are available.').'</p>');
48: } elsif ($code eq 'not_allowed') {
49: $r->print('<p>'.&mt('Not allowed to sign up or change reservations at this time.').'</p>');
50: } else {
51: $r->print('<p>'.&mt('Failed.').'</p>');
52: }
53:
54: &return_link($r);
55: &end_page($r);
56: }
57:
58: sub start_page {
59: my ($r,$title,$brcrum,$js)=@_;
60: my $args;
61: if (ref($brcrum) eq 'ARRAY') {
62: $args = {bread_crumbs => $brcrum};
63: }
64: if (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
65: my %loaditems = (
66: onload => 'javascript:uncheckSlotRadio();',
67: );
68: if (ref($args) eq 'HASH') {
69: $args->{'add_entries'} = \%loaditems;
70: } else {
71: $args = { 'add_entries' => \%loaditems };
72: }
73: }
74: $r->print(&Apache::loncommon::start_page($title,$js,$args));
75: }
76:
77: sub end_page {
78: my ($r)=@_;
79: $r->print(&Apache::loncommon::end_page());
80: }
81:
82: sub reservation_js {
83: my ($slots,$consumed_uniqueperiods,$available,$got_slots,$symb) = @_;
84: return unless ((ref($slots) eq 'HASH') && (ref($available) eq 'ARRAY'));
85: my $toskip;
86: if ($symb eq '') {
87: $toskip = { symb => 1, };
88: }
89: my ($i,$j) = (0,0);
90: my $js;
91: foreach my $slot (sort
92: { return $slots->{$a}->{'starttime'} <=> $slots->{$b}->{'starttime'} }
93: (keys(%{$slots}))) {
94:
95: next if (!&allowed_slot($slot,$slots->{$slot},$symb,$slots,
96: $consumed_uniqueperiods,$toskip));
97: $js .= " slotstart[$i]='$slots->{$slot}->{'starttime'}';\n".
98: " slotend[$i]='$slots->{$slot}->{'endtime'}';\n".
99: " slotname[$i]='$slot';\n";
100: if (($symb) && (ref($got_slots) eq 'ARRAY')) {
101: if (grep(/^\Q$slot\E$/,@{$got_slots})) {
102: $js .= " currslot[$j]='$slot';\n";
103: $j++;
104: }
105: }
106: $i++;
107: push(@{$available},$slot);
108: }
109: if ($j) {
110: $js = " var currslot = new Array($j);\n\n$js";
111: }
112: my %alerts = &Apache::lonlocal::texthash (
113: none => 'No reservable time slots found',
114: invalid => 'Invalid date format',
115: );
116: return <<"ENDSCRIPT";
117: <script type="text/javascript">
118: // <![CDATA[
119: function updateSlotDisplay(form,num,slotpickradio) {
120: var slotstart = new Array($i);
121: var slotend = new Array($i);
122: var slotname = new Array($i);
123: $js
124:
125: if (slotpickradio == 'all') {
126: for (var i=0; i<$i; i++) {
127: if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
128: document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = '';
129: }
130: if (document.getElementById('LC_slotsearch_'+num)) {
131: document.getElementById('LC_slotsearch_'+num).style.display = 'block';
132: }
133: }
134: } else {
135: if (slotpickradio == 'show') {
136: for (var i=0; i<$i; i++) {
137: if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
138: document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = 'none';
139: }
140: }
141: for (var j=0; j<$j; j++) {
142: if (document.getElementById('LC_slotrow_'+num+'_'+currslot[j])) {
143: document.getElementById('LC_slotrow_'+num+'_'+currslot[j]).style.display = '';
144: }
145: }
146: if (document.getElementById('LC_slotsearch_'+num)) {
147: document.getElementById('LC_slotsearch_'+num).style.display = 'block';
148: }
149: } else {
150: var numberRegExp = /^[0-9]+\$/;
151: var startm = form.start_month.options[form.start_month.selectedIndex].value;
152: var startd = form.start_day.value;
153: startd=startd.trim();
154: var starty = form.start_year.value;
155: starty=starty.trim();
156: var endm = form.end_month.options[form.end_month.selectedIndex].value;
157: var endd = form.end_day.value;
158: endd=endd.trim();
159: var endy = form.end_year.value;
160: endy=endy.trim();
161: if (numberRegExp.test(endd) && numberRegExp.test(endy) && numberRegExp.test(startd) && numberRegExp.test(starty)) {
162: var startdate = startm+"/"+startd+"/"+starty;
163: var starttime = new Date(startdate).getTime();
164: starttime = starttime/1000;
165: var enddate = endm+"/"+endd+"/"+endy;
166: var endtime = new Date(enddate).getTime();
167: endtime = endtime/1000;
168: var shown = 0;
169: for (var i=0; i<$i; i++) {
170: if ((slotstart[i] >= starttime) && (slotend[i] <= endtime)) {
171: if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
172: document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = '';
173: shown ++;
174: }
175: } else {
176: if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
177: document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = 'none';
178: }
179: }
180: }
181: if (document.getElementById('LC_slotsearch_'+num)) {
182: if (shown) {
183: document.getElementById('LC_slotsearch_'+num).style.display = 'block';
184: } else {
185: document.getElementById('LC_slotsearch_'+num).style.display = 'none';
186: }
187: }
188: if (shown == 0) {
189: alert('$alerts{"none"}');
190: }
191: } else {
192: alert('$alerts{"invalid"}');
193: }
194: }
195: }
196: return;
197: }
198:
199: function toggleSlotDisplay(form,num) {
200: if (form.slotpick.length) {
201: for (var i=0; i<form.slotpick.length; i++) {
202: if (form.slotpick[i].checked) {
203: var val = form.slotpick[i].value;
204: if (document.getElementById('LC_slotfilter_'+num)) {
205: document.getElementById('LC_slotsearch_'+num).style.display = 'none';
206: if (val == 'filter') {
207: document.getElementById('LC_slotfilter_'+num).style.display = 'block';
208: } else {
209: document.getElementById('LC_slotfilter_'+num).style.display = 'none';
210: if (val == 'all') {
211: updateSlotDisplay(form,num,val);
212: } else {
213: updateSlotDisplay(form,num,val);
214: }
215: }
216: }
217: break;
218: }
219: }
220: }
221: return false;
222: }
223:
224: if (!document.getElementsByClassName) {
225: function getElementsByClassName(node, classname) {
226: var a = [];
227: var re = new RegExp('(^| )'+classname+'( |$)');
228: var els = node.getElementsByTagName("*");
229: for(var i=0,j=els.length; i<j; i++)
230: if(re.test(els[i].className))a.push(els[i]);
231: return a;
232: }
233: }
234:
235: function uncheckSlotRadio() {
236: var slotpicks;
237: if (document.getElementsByClassName) {
238: slotpicks = document.getElementsByClassName('LC_slotpick_radio');
239: } else {
240: slotpicks = getElementsByClassName(document.body,'LC_slotpick_radio');
241: }
242: if (slotpicks.length) {
243: for (var i=0; i<slotpicks.length; i++) {
244: slotpicks[i].checked = false;
245: }
246: }
247: }
248: // ]]>
249: </script>
250: ENDSCRIPT
251:
252: }
253:
254:
255: =pod
256:
257: slot_reservations db
258: - keys are
259: - slotname\0id -> value is an hashref of
260: name -> user@domain of holder
261: timestamp -> timestamp of reservation
262: symb -> symb of resource that it is reserved for
263:
264: =cut
265:
266: sub get_course {
267: (undef,my $courseid)=&Apache::lonnet::whichuser();
268: my $cdom=$env{'course.'.$courseid.'.domain'};
269: my $cnum=$env{'course.'.$courseid.'.num'};
270: return ($cnum,$cdom);
271: }
272:
273: sub get_reservation_ids {
274: my ($slot_name)=@_;
275:
276: my ($cnum,$cdom)=&get_course();
277:
278: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
279: "^$slot_name\0");
280: if (&Apache::lonnet::error(%consumed)) {
281: return 'error: Unable to determine current status';
282: }
283: my ($tmp)=%consumed;
284: if ($tmp=~/^error: 2 / ) {
285: return 0;
286: }
287: return keys(%consumed);
288: }
289:
290: sub space_available {
291: my ($slot_name,$slot)=@_;
292: my $max=$slot->{'maxspace'};
293:
294: if (!defined($max)) { return 1; }
295:
296: my $consumed=scalar(&get_reservation_ids($slot_name));
297: if ($consumed < $max) {
298: return 1
299: }
300: return 0;
301: }
302:
303: sub check_for_reservation {
304: my ($symb,$mode)=@_;
305: my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
306: $env{'user.domain'}, $env{'user.name'});
307: my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
308: $env{'user.domain'}, $env{'user.name'});
309: my @slots = (split(/:/,$student), split(/:/, $course));
310:
311: &Apache::lonxml::debug(" slot list is ".join(':',@slots));
312:
313: my ($cnum,$cdom)=&get_course();
314: my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
315:
316: if (&Apache::lonnet::error($student)
317: || &Apache::lonnet::error($course)
318: || &Apache::lonnet::error(%slots)) {
319: return 'error: Unable to determine current status';
320: }
321: my @got;
322: my @sorted_slots = &Apache::loncommon::sorted_slots(\@slots,\%slots,'starttime');
323: foreach my $slot_name (@sorted_slots) {
324: next if (!defined($slots{$slot_name}) ||
325: !ref($slots{$slot_name}));
326: &Apache::lonxml::debug(time." $slot_name ".
327: $slots{$slot_name}->{'starttime'}." -- ".
328: $slots{$slot_name}->{'startreserve'}." -- ".
329: $slots{$slot_name}->{'endreserve'});
330: if (($slots{$slot_name}->{'endtime'} > time) &&
331: ($slots{$slot_name}->{'startreserve'} < time) &&
332: ((!$slots{$slot_name}->{'endreserve'}) ||
333: ($slots{$slot_name}->{'endreserve'} > time))) {
334: # between start of reservation time and end of reservation time
335: # and before end of slot
336: if ($mode eq 'allslots') {
337: push(@got,$slot_name);
338: } else {
339: return($slot_name, $slots{$slot_name});
340: }
341: }
342: }
343: if ($mode eq 'allslots' && @got) {
344: return @got;
345: }
346: return (undef,undef);
347: }
348:
349: sub get_consumed_uniqueperiods {
350: my ($slots) = @_;
351: my $navmap=Apache::lonnavmaps::navmap->new;
352: if (!defined($navmap)) {
353: return 'error: Unable to determine current status';
354: }
355: my @problems = $navmap->retrieveResources(undef,
356: sub { $_[0]->is_problem() },1,0);
357: my %used_slots;
358: foreach my $problem (@problems) {
359: my $symb = $problem->symb();
360: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
361: $symb, $env{'user.domain'},
362: $env{'user.name'});
363: my $course = &Apache::lonnet::EXT("resource.0.available",
364: $symb, $env{'user.domain'},
365: $env{'user.name'});
366: if (&Apache::lonnet::error($student)
367: || &Apache::lonnet::error($course)) {
368: return 'error: Unable to determine current status';
369: }
370: foreach my $slot (split(/:/,$student), split(/:/, $course)) {
371: $used_slots{$slot}=1;
372: }
373: }
374:
375: if (!ref($slots)) {
376: my ($cnum,$cdom)=&get_course();
377: my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
378: if (&Apache::lonnet::error(%slots)) {
379: return 'error: Unable to determine current status';
380: }
381: $slots = \%slots;
382: }
383:
384: my %consumed_uniqueperiods;
385: foreach my $slot_name (keys(%used_slots)) {
386: next if (!defined($slots->{$slot_name}) ||
387: !ref($slots->{$slot_name}));
388:
389: next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
390: !ref($slots->{$slot_name}{'uniqueperiod'}));
391: $consumed_uniqueperiods{$slot_name} =
392: $slots->{$slot_name}{'uniqueperiod'};
393: }
394: return \%consumed_uniqueperiods;
395: }
396:
397: sub check_for_conflict {
398: my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
399:
400: if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
401:
402: if (!ref($consumed_uniqueperiods)) {
403: if ($consumed_uniqueperiods =~ /^error: /) {
404: return $consumed_uniqueperiods;
405: } else {
406: $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
407: if (ref($consumed_uniqueperiods) eq 'HASH') {
408: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
409: return 'error: Unable to determine current status';
410: }
411: } else {
412: return 'error: Unable to determine current status';
413: }
414: }
415: }
416: my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
417: foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
418: my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
419: if (!
420: ($start < $new_uniq_start && $end < $new_uniq_start) ||
421: ($start > $new_uniq_end && $end > $new_uniq_end )) {
422: return $slot_name;
423: }
424: }
425: return undef;
426: }
427:
428: sub make_reservation {
429: my ($slot_name,$slot,$symb,$cnum,$cdom)=@_;
430:
431: my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
432: $env{'user.domain'},$env{'user.name'});
433: &Apache::lonxml::debug("value is $value<br />");
434:
435: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",$symb,
436: $env{'user.domain'},$env{'user.name'});
437: &Apache::lonxml::debug("use_slots is $use_slots<br />");
438:
439: if (&Apache::lonnet::error($value)
440: || &Apache::lonnet::error($use_slots)) {
441: return 'error: Unable to determine current status';
442: }
443:
444: my $parm_symb = $symb;
445: my $parm_level = 1;
446: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
447: my ($map) = &Apache::lonnet::decode_symb($symb);
448: $parm_symb = &Apache::lonnet::symbread($map);
449: $parm_level = 2;
450: }
451:
452: foreach my $other_slot (split(/:/, $value)) {
453: if ($other_slot eq $slot_name) {
454: my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
455: $cnum, "^$slot_name\0");
456: if (&Apache::lonnet::error($value)) {
457: return 'error: Unable to determine current status';
458: }
459: my $me=$env{'user.name'}.':'.$env{'user.domain'};
460: foreach my $key (keys(%consumed)) {
461: if ($consumed{$key}->{'name'} eq $me) {
462: my $num=(split('\0',$key))[1];
463: return -$num;
464: }
465: }
466: }
467: }
468:
469: my $max=$slot->{'maxspace'};
470: if (!defined($max)) { $max=99999; }
471:
472: my (@ids)=&get_reservation_ids($slot_name);
473: if (&Apache::lonnet::error(@ids)) {
474: return 'error: Unable to determine current status';
475: }
476: my $last=0;
477: foreach my $id (@ids) {
478: my $num=(split('\0',$id))[1];
479: if ($num > $last) { $last=$num; }
480: }
481:
482: my $wanted=$last+1;
483: &Apache::lonxml::debug("wanted $wanted<br />");
484: if (scalar(@ids) >= $max) {
485: # full up
486: return undef;
487: }
488:
489: my %reservation=('name' => $env{'user.name'}.':'.$env{'user.domain'},
490: 'timestamp' => time,
491: 'symb' => $parm_symb);
492:
493: my $success=&Apache::lonnet::newput('slot_reservations',
494: {"$slot_name\0$wanted" =>
495: \%reservation},
496: $cdom, $cnum);
497:
498: if ($success eq 'ok') {
499: my $new_value=$slot_name;
500: if ($value) {
501: $new_value=$value.':'.$new_value;
502: }
503: &store_slot_parm($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom);
504: return $wanted;
505: }
506:
507: # someone else got it
508: return undef;
509: }
510:
511: sub store_slot_parm {
512: my ($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom) = @_;
513: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
514: '0_availablestudent',
515: $parm_level, $new_value,
516: 'string',
517: $env{'user.name'},
518: $env{'user.domain'});
519: &Apache::lonxml::debug("hrrm $result");
520: my %storehash = (
521: symb => $symb,
522: slot => $slot_name,
523: action => 'reserve',
524: context => $env{'form.context'},
525: );
526:
527: &Apache::lonnet::write_log('course','slotreservationslog',\%storehash,
528: '',$env{'user.name'},$env{'user.domain'},
529: $cnum,$cdom);
530: &Apache::lonnet::write_log('course',$cdom.'_'.$cnum.'_slotlog',\%storehash,
531: 1,$env{'user.name'},$env{'user.domain'},
532: $env{'user.name'},$env{'user.domain'});
533:
534: return;
535: }
536:
537: sub remove_registration {
538: my ($r) = @_;
539: if ($env{'form.entry'} ne 'remove all') {
540: return &remove_registration_user($r);
541: }
542: my $slot_name = $env{'form.slotname'};
543: my %slot=&Apache::lonnet::get_slot($slot_name);
544:
545: my ($cnum,$cdom)=&get_course();
546: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
547: "^$slot_name\0");
548: if (&Apache::lonnet::error(%consumed)) {
549: $r->print("<p><span class=\"LC_error\">".&mt('A network error has occurred.').'</span></p>');
550: return;
551: }
552: if (!%consumed) {
553: $r->print('<p>'.&mt('Slot [_1] has no reservations.',
554: '<tt>'.$slot_name.'</tt>').'</p>');
555: return;
556: }
557:
558: my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
559: my $names = join(' ',@names);
560:
561: my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
562: &remove_registration_confirmation($r,$msg,['entry','slotname','context']);
563: }
564:
565: sub remove_registration_user {
566: my ($r) = @_;
567:
568: my $slot_name = $env{'form.slotname'};
569:
570: my $name = &Apache::loncommon::plainname($env{'form.uname'},
571: $env{'form.udom'});
572:
573: my $title = &Apache::lonnet::gettitle($env{'form.symb'});
574:
575: my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
576: $name,$slot_name,$title);
577:
578: &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
579: 'entry','symb','context']);
580: }
581:
582: sub remove_registration_confirmation {
583: my ($r,$msg,$inputs) =@_;
584:
585: my $hidden_input;
586: foreach my $parm (@{$inputs}) {
587: $hidden_input .=
588: '<input type="hidden" name="'.$parm.'" value="'
589: .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
590: }
591: my %lt = &Apache::lonlocal::texthash(
592: 'yes' => 'Yes',
593: 'no' => 'No',
594: );
595: $r->print(<<"END_CONFIRM");
596: <p> $msg </p>
597: <form action="/adm/slotrequest" method="post">
598: <input type="hidden" name="command" value="release" />
599: <input type="hidden" name="button" value="yes" />
600: $hidden_input
601: <input type="submit" value="$lt{'yes'}" />
602: </form>
603: <form action="/adm/slotrequest" method="post">
604: <input type="hidden" name="command" value="showslots" />
605: <input type="submit" value="$lt{'no'}" />
606: </form>
607: END_CONFIRM
608:
609: }
610:
611: sub release_all_slot {
612: my ($r,$mgr)=@_;
613:
614: my $slot_name = $env{'form.slotname'};
615:
616: my ($cnum,$cdom)=&get_course();
617:
618: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
619: "^$slot_name\0");
620:
621: $r->print('<p>'.&mt('Releasing reservations').'</p>');
622:
623: foreach my $entry (sort { $consumed{$a}{'name'} cmp
624: $consumed{$b}{'name'} } (keys(%consumed))) {
625: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
626: my ($result,$msg) =
627: &release_reservation($slot_name,$uname,$udom,
628: $consumed{$entry}{'symb'},$mgr);
629: if (!$result) {
630: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
631: } else {
632: $r->print("<p>$msg</p>");
633: }
634: $r->rflush();
635: }
636: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
637: &mt('Return to slot list').'</a></p>');
638: &return_link($r);
639: }
640:
641: sub release_slot {
642: my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
643:
644: if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
645:
646: my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
647: if ($mgr eq 'F'
648: && defined($env{'form.uname'}) && defined($env{'form.udom'})) {
649: ($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
650: }
651:
652: if ($mgr eq 'F'
653: && defined($env{'form.symb'})) {
654: $symb = &unescape($env{'form.symb'});
655: }
656:
657: my ($result,$msg) =
658: &release_reservation($slot_name,$uname,$udom,$symb,$mgr);
659: if (!$result) {
660: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
661: } else {
662: $r->print("<p>$msg</p>");
663: }
664:
665: if ($mgr eq 'F') {
666: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
667: &mt('Return to slot list').'</a></p>');
668: }
669:
670: if (!$inhibit_return_link) { &return_link($r); }
671: return $result;
672: }
673:
674: sub release_reservation {
675: my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
676: my %slot=&Apache::lonnet::get_slot($slot_name);
677: my $description=&get_description($slot_name,\%slot);
678:
679: if ($mgr ne 'F') {
680: if ($slot{'starttime'} < time) {
681: return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description));
682: }
683: }
684:
685: # if the reservation symb is for a map get a resource in that map
686: # to check slot parameters on
687: my $navmap=Apache::lonnavmaps::navmap->new;
688: if (!defined($navmap)) {
689: return (0,'error: Unable to determine current status');
690: }
691: my $passed_resource = $navmap->getBySymb($symb);
692: if (ref($passed_resource)) {
693: if ($passed_resource->is_map()) {
694: my ($a_resource) =
695: $navmap->retrieveResources($passed_resource,
696: sub {$_[0]->is_problem()},0,1);
697: $symb = $a_resource->symb();
698: }
699: } else {
700: unless ($mgr eq 'F') {
701: return (0,'error: Unable to determine current status');
702: }
703: }
704:
705: # get parameter string, check for existence, rebuild string with the slot
706: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
707: $symb,$udom,$uname);
708: my @slots = split(/:/,$student);
709:
710: my @new_slots;
711: foreach my $exist_slot (@slots) {
712: if ($exist_slot eq $slot_name) { next; }
713: push(@new_slots,$exist_slot);
714: }
715: my $new_param = join(':',@new_slots);
716:
717: my ($cnum,$cdom)=&get_course();
718:
719: # get slot reservations, check if user has one, if so remove reservation
720: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
721: "^$slot_name\0");
722: foreach my $entry (keys(%consumed)) {
723: if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
724: &Apache::lonnet::del('slot_reservations',[$entry],
725: $cdom,$cnum);
726: my %storehash = (
727: symb => $symb,
728: slot => $slot_name,
729: action => 'release',
730: context => $env{'form.context'},
731: );
732: &Apache::lonnet::write_log('slotreservationslog',\%storehash,
733: 1,$uname,$udom,$cnum,$cdom);
734: &Apache::lonnet::write_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
735: 1,$uname,$udom,$uname,$udom);
736: }
737: }
738:
739: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",
740: $symb,$udom,$uname);
741: &Apache::lonxml::debug("use_slots is $use_slots<br />");
742:
743: if (&Apache::lonnet::error($use_slots)) {
744: return (0,'error: Unable to determine current status');
745: }
746:
747: my $parm_level = 1;
748: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
749: $parm_level = 2;
750: }
751: # store new parameter string
752: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
753: '0_availablestudent',
754: $parm_level, $new_param,
755: 'string', $uname, $udom);
756: my $msg;
757: if ($mgr eq 'F') {
758: $msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
759: } else {
760: $msg = '<span style="font-weight: bold;">'.&mt('Released reservation: [_1]',$description).'</span><br /><br />';
761: my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
762: my $subject = &mt('Reservation change: [_1]',$description);
763: my $msgbody = &mt('Reservation released by [_1] for [_2].',$person,$description);
764: $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'release');
765: }
766: return (1,$msg);
767: }
768:
769: sub delete_slot {
770: my ($r)=@_;
771:
772: my $slot_name = $env{'form.slotname'};
773: my %slot=&Apache::lonnet::get_slot($slot_name);
774:
775: my ($cnum,$cdom)=&get_course();
776: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
777: "^$slot_name\0");
778: my ($tmp) = %consumed;
779: if ($tmp =~ /error: 2/) { undef(%consumed); }
780:
781: if (%slot && !%consumed) {
782: $slot{'type'} = 'deleted';
783: my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
784: $cdom, $cnum);
785: if ($ret eq 'ok') {
786: $r->print('<p>'.&mt('Slot [_1] marked as deleted.','<tt>'.$slot_name.'</tt>').'</p>');
787: } else {
788: $r->print('<p><span class="LC_error">'.&mt('An error occurred when attempting to delete slot: [_1]','<tt>'.$slot_name.'</tt>')." ($ret)</span></p>");
789: }
790: } else {
791: if (%consumed) {
792: $r->print('<p>'.&mt('Slot [_1] has active reservations.','<tt>'.$slot_name.'</tt>').'</p>');
793: } else {
794: $r->print('<p>'.&mt('Slot [_1] does not exist.','<tt>'.$slot_name.'</tt>').'</p>');
795: }
796: }
797: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
798: &mt('Return to slot list').'</a></p>');
799: &return_link($r);
800: }
801:
802: sub return_link {
803: my ($r) = @_;
804: if (($env{'form.command'} eq 'manageresv') || ($env{'form.context'} eq 'usermanage')) {
805: $r->print('<p><a href="/adm/slotrequest?command=manageresv">'.
806: &mt('Return to reservations'));
807: } else {
808: $r->print('<p><a href="/adm/flip?postdata=return:">'.
809: &mt('Return to last resource').'</a></p>');
810: }
811: }
812:
813: sub get_slot {
814: my ($r,$symb,$conflictable_slot,$inhibit_return_link)=@_;
815:
816: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
817: my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
818:
819: if ($slot_name =~ /^error: (.*)/) {
820: $r->print('<p><span class="LC_error">'
821: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
822: .'</span></p>');
823: &return_link($r);
824: return 0;
825: }
826: if ($slot_name && $slot_name ne $conflictable_slot) {
827: my %slot=&Apache::lonnet::get_slot($slot_name);
828: my $description1=&get_description($slot_name,\%slot);
829: %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
830: my $description2=&get_description($env{'form.slotname'},\%slot);
831: if ($slot_name ne $env{'form.slotname'}) {
832: $r->print(<<STUFF);
833: <form method="post" action="/adm/slotrequest">
834: <input type="hidden" name="symb" value="$env{'form.symb'}" />
835: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
836: <input type="hidden" name="releaseslot" value="$slot_name" />
837: <input type="hidden" name="command" value="change" />
838: STUFF
839: $r->print('<p class="LC_error">'.&mt('Reservation currently unchanged').'</p>');
840: if ($slot_name ne '') {
841: $r->print('<p>'.&mt('To complete the transaction you [_1]must confirm[_2] you want to [_3]process the change[_4] to [_5].'
842: ,'<b>','</b>','<i>','</i>','<b>'.$description2.'</b>')
843: .'<br />'
844: .&mt('Or you can choose to [_1]make no change[_2] and continue[_2] with the reservation you already had: [_3].'
845: ,'<i>','</i>','<b>'.$description1.'</b>')
846: .'</p><p><span class="LC_nobreak">'
847: .'<input type="submit" name="change" value="'.&mt('Process the change').'" />'
848: .(' 'x3)
849: .'<input type="submit" name="nochange" value="'.&mt('Make no change').'" />'
850: .'</span></p>');
851: }
852: $r->print(<<STUFF);
853: </form>
854: STUFF
855: } else {
856: $r->print('<p>'.&mt('Already have a reservation: [_1].',$description1).'</p>');
857: &return_link($r);
858: }
859: return 0;
860: }
861:
862: my ($cnum,$cdom)=&get_course();
863: my $reserved=&make_reservation($env{'form.slotname'},
864: \%slot,$symb,$cnum,$cdom);
865: my $description=&get_description($env{'form.slotname'},\%slot);
866: if (defined($reserved)) {
867: my $retvalue = 0;
868: if ($slot_name =~ /^error: (.*)/) {
869: $r->print('<p><span class="LC_error">'
870: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
871: .'</span></p>');
872: } elsif ($reserved > -1) {
873: $r->print('<p style="font-weight: bold;">'.&mt('Successfully signed up: [_1]',$description).'</p>');
874: $retvalue = 1;
875: my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
876: my $subject = &mt('Reservation change: [_1]',$description);
877: my $msgbody = &mt('Successful reservation by [_1] for [_2].',$person,$description);
878: my $msg = &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'reserve');
879: if ($msg) {
880: $r->print($msg);
881: }
882: } elsif ($reserved < 0) {
883: $r->print('<p>'.&mt('Already reserved: [_1]',$description).'</p>');
884: }
885: if (!$inhibit_return_link) { &return_link($r); }
886: return 1;
887: }
888:
889: my %lt = &Apache::lonlocal::texthash(
890: 'request' => 'Availability list',
891: 'try' => 'Try again?',
892: 'or' => 'or',
893: );
894:
895: my $extra_input;
896: if ($conflictable_slot) {
897: $extra_input='<input type="hidden" name="releaseslot" value="'.$env{'form.slotname'}.'" />';
898: }
899:
900: $r->print('<p>'.&mt('[_1]Failed[_2] to reserve a slot for [_3].','<span class="LC_warning">','</span>',$description).'</p>');
901: $r->print(<<STUFF);
902: <p>
903: <form method="post" action="/adm/slotrequest">
904: <input type="submit" name="Try Again" value="$lt{'try'}" />
905: <input type="hidden" name="symb" value="$env{'form.symb'}" />
906: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
907: <input type="hidden" name="command" value="$env{'form.command'}" />
908: $extra_input
909: </form>
910: </p>
911: <p>
912: $lt{'or'}
913: <form method="post" action="/adm/slotrequest">
914: <input type="hidden" name="symb" value="$env{'form.symb'}" />
915: <input type="submit" name="requestattempt" value="$lt{'request'}" />
916: </form>
917: STUFF
918:
919: if (!$inhibit_return_link) {
920: $r->print(&mt('or').'</p>');
921: &return_link($r);
922: } else {
923: $r->print('</p>');
924: }
925: return 0;
926: }
927:
928: sub allowed_slot {
929: my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods,$toskip)=@_;
930:
931: #already started
932: if ($slot->{'starttime'} < time) {
933: return 0;
934: }
935: &Apache::lonxml::debug("$slot_name starttime good");
936:
937: #already ended
938: if ($slot->{'endtime'} < time) {
939: return 0;
940: }
941: &Apache::lonxml::debug("$slot_name endtime good");
942:
943: # not allowed to pick this one
944: if (defined($slot->{'type'})
945: && $slot->{'type'} ne 'schedulable_student') {
946: return 0;
947: }
948: &Apache::lonxml::debug("$slot_name type good");
949:
950: # reserve time not yet started
951: if ($slot->{'startreserve'} > time) {
952: return 0;
953: }
954: # reserve time ended
955: if (($slot->{'endreserve'}) &&
956: ($slot->{'endreserve'} < time)) {
957: return 0;
958: }
959: &Apache::lonxml::debug("$slot_name reserve good");
960:
961: my $userallowed=0;
962: # its for a different set of users
963: if (defined($slot->{'allowedsections'})) {
964: if (!defined($env{'request.role.sec'})
965: && grep(/^No section assigned$/,
966: split(',',$slot->{'allowedsections'}))) {
967: $userallowed=1;
968: }
969: if (defined($env{'request.role.sec'})
970: && grep(/^\Q$env{'request.role.sec'}\E$/,
971: split(',',$slot->{'allowedsections'}))) {
972: $userallowed=1;
973: }
974: if (defined($env{'request.course.groups'})) {
975: my @groups = split(/:/,$env{'request.course.groups'});
976: my @allowed_sec = split(',',$slot->{'allowedsections'});
977: foreach my $group (@groups) {
978: if (grep {$_ eq $group} (@allowed_sec)) {
979: $userallowed=1;
980: last;
981: }
982: }
983: }
984: }
985: &Apache::lonxml::debug("$slot_name sections is $userallowed");
986:
987: # its for a different set of users
988: if (defined($slot->{'allowedusers'})
989: && grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
990: split(',',$slot->{'allowedusers'}))) {
991: $userallowed=1;
992: }
993:
994: if (!defined($slot->{'allowedusers'})
995: && !defined($slot->{'allowedsections'})) {
996: $userallowed=1;
997: }
998:
999: &Apache::lonxml::debug("$slot_name user is $userallowed");
1000: return 0 if (!$userallowed);
1001:
1002: # not allowed for this resource
1003: if (defined($slot->{'symb'})) {
1004: my $exclude = 1;
1005: my ($slotmap,$slotid,$sloturl) = &Apache::lonnet::decode_symb($slot->{'symb'});
1006: if ($sloturl=~/\.(page|sequence)$/) {
1007: my ($map,$id,$url) = &Apache::lonnet::decode_symb($symb);
1008: if (($map ne '') && ($map eq $slotmap)) {
1009: $exclude = 0;
1010: }
1011: } elsif ($slot->{'symb'} eq $symb) {
1012: $exclude = 0;
1013: }
1014: if ($exclude) {
1015: unless ((ref($toskip) eq 'HASH') && ($toskip->{'symb'})) {
1016: return 0;
1017: }
1018: }
1019: }
1020:
1021: my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
1022: $consumed_uniqueperiods);
1023: if ($conflict =~ /^error: /) {
1024: return 0;
1025: } elsif ($conflict ne '') {
1026: if ($slots->{$conflict}{'starttime'} < time) {
1027: return 0;
1028: }
1029: }
1030: &Apache::lonxml::debug("$slot_name symb good");
1031: return 1;
1032: }
1033:
1034: sub get_description {
1035: my ($slot_name,$slot)=@_;
1036: my $description=$slot->{'description'};
1037: if (!defined($description)) {
1038: $description=&mt('[_1] From [_2] to [_3]',$slot_name,
1039: &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
1040: &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
1041: }
1042: return $description;
1043: }
1044:
1045: sub show_choices {
1046: my ($r,$symb,$formname,$num,$slots,$consumed_uniqueperiods,$available,$got_slots)=@_;
1047: my $output;
1048: &Apache::lonxml::debug("Checking Slots");
1049: if (!ref($available) eq 'ARRAY') {
1050: return;
1051: }
1052: if (!@{$available}) {
1053: $output = '<span class="LC_info">'.&mt('No available times.').'</span>';
1054: if ($env{'form.command'} ne 'manageresv') {
1055: $output .= ' <a href="/adm/flip?postdata=return:">'.
1056: &mt('Return to last resource').'</a>';
1057: }
1058: $r->print($output);
1059: return;
1060: }
1061: if (@{$available} > 1) {
1062: my $numavailable = scalar(@{$available});
1063: my $numreserved = 0;
1064: my $js;
1065: my $j = 0;
1066: foreach my $got (@{$got_slots}) {
1067: unless (($got eq '') || (!defined($got))) {
1068: $numreserved ++;
1069: if ($env{'form.command'} eq 'manageresv') {
1070: $js .= " currslot[$j]='$got';\n";
1071: $j++;
1072: }
1073: }
1074: }
1075: my $showfilter = 'none';
1076: $output .= '<fieldset><legend>'.&mt('Actions').'</legend>'."\n".
1077: '<form method="post" name="reservationdisplay_'.$num.
1078: '" action="" onsubmit="toggleSlotDisplay(this.form,'."'$num'".');">';
1079: my @options = ('all','filter');
1080: if ($numreserved) {
1081: unshift(@options,'show');
1082: }
1083: my %resmenu = &Apache::lonlocal::texthash (
1084: show => 'Show current reservation',
1085: all => 'Show all',
1086: filter => 'Search by date',
1087: );
1088: foreach my $option (@options) {
1089: my $onclick = "toggleSlotDisplay(this.form,'$num');";
1090: if (($option eq 'show') && ($env{'form.command'} eq 'manageresv')) {
1091: $onclick .= "currSlotDisplay$num(this.form,'$num');";
1092: }
1093: $output .= '<span class="LC_nobreak"><label>'.
1094: '<input type="radio" class="LC_slotpick_radio" name="slotpick" value="'.
1095: $option.'" onclick="'.$onclick.'" />'.
1096: $resmenu{$option}.
1097: '</label></span>'.(' ' x3)."\n";
1098: }
1099: $output .= '</form>';
1100: my $chooserform = 'reservationchooser_'.$num;
1101: my $starttime = $slots->{$available->[0]}->{'starttime'};
1102: my $endtime = $slots->{$available->[-1]}->{'starttime'};
1103: if ($env{'form.command'} eq 'manageresv') {
1104: $output .= <<"ENDSCRIPT";
1105:
1106: <script type="text/javascript">
1107: // <![CDATA[
1108: function currSlotDisplay$num() {
1109: var currslot = new Array($numreserved);
1110: $js
1111: for (var j=0; j<$numreserved; j++) {
1112: if (document.getElementById('LC_slotrow_$num\_'+currslot[j])) {
1113: document.getElementById('LC_slotrow_$num\_'+currslot[j]).style.display = '';
1114: }
1115: }
1116: }
1117: // ]]>
1118: </script>
1119:
1120: ENDSCRIPT
1121: }
1122: $output .=
1123: '<div id="LC_slotfilter_'.$num.'" style="display:'.$showfilter.'">'.
1124: '<form method="post" name="'.$chooserform.'" action="">'.
1125: '<table><tr><td>'.&mt('Open after').'</td><td>'.
1126: &Apache::lonhtmlcommon::date_setter($chooserform,'start',$starttime,'','','','','','','',1,1).
1127: '</td></tr><tr><td>'.&mt('Closed before').'</td><td>'.
1128: &Apache::lonhtmlcommon::date_setter($chooserform,'end',$endtime,'','','','','','','',1,1).
1129: '</td></tr></table><br />'.
1130: '<input type="button" name="slotfilter" value="Search for reservable slots" onclick="updateSlotDisplay(this.form,'."'$num'".');" />'.
1131: '</form></div><div id="LC_slotsearch_'.$num.'" style="display:none"><hr />';
1132: }
1133: if ($env{'form.command'} eq 'manageresv') {
1134: $output .= '<table border="0">';
1135: } else {
1136: $output .= &Apache::loncommon::start_data_table();
1137: }
1138: foreach my $slot (@{$available}) {
1139: my $description=&get_description($slot,$slots->{$slot});
1140: my $form;
1141: if ((grep(/^\Q$slot\E$/,@{$got_slots})) ||
1142: &space_available($slot,$slots->{$slot},$symb)) {
1143: my $text=&mt('Select');
1144: my $command='get';
1145: if (grep(/^\Q$slot\E$/,@{$got_slots})) {
1146: $text=&mt('Drop Reservation');
1147: $command='release';
1148: } else {
1149: my $conflict = &check_for_conflict($symb,$slot,$slots->{$slot},
1150: $slots,$consumed_uniqueperiods);
1151: if ($conflict) {
1152: if ($conflict =~ /^error: /) {
1153: $form = '<span class="LC_error">'.
1154: &mt('Slot: [_1] has unknown status.',$description).
1155: '</span>';
1156: } else {
1157: $text=&mt('Change Reservation');
1158: $command='get';
1159: }
1160: }
1161: }
1162: my $escsymb=&escape($symb);
1163: if (!$form) {
1164: my $name;
1165: if ($formname) {
1166: $name = 'name="'.$formname.'"';
1167: }
1168: my $context = 'user';
1169: if ($env{'form.command'} eq 'manageresv') {
1170: $context = 'usermanage';
1171: }
1172: $form=<<STUFF;
1173: <form method="post" action="/adm/slotrequest" $name>
1174: <input type="submit" name="Select" value="$text" />
1175: <input type="hidden" name="symb" value="$escsymb" />
1176: <input type="hidden" name="slotname" value="$slot" />
1177: <input type="hidden" name="command" value="$command" />
1178: <input type="hidden" name="context" value="$context" />
1179: </form>
1180: STUFF
1181: }
1182: } else {
1183: $form = &mt('Unavailable');
1184: }
1185: if ($env{'form.command'} eq 'manageresv') {
1186: $output .= '<tr id="LC_slotrow_'.$num.'_'.$slot.'" >';
1187: } else {
1188: $output .= &Apache::loncommon::start_data_table_row('','LC_slotrow_'.$num.'_'.$slot);
1189: }
1190: $output .= "
1191: <td>$form</td>
1192: <td>$description</td>\n";
1193: if ($env{'form.command'} eq 'manageresv') {
1194: $output .= '</tr>';
1195: } else {
1196: $output .= &Apache::loncommon::end_data_table_row();
1197: }
1198: }
1199: if ($env{'form.command'} eq 'manageresv') {
1200: $output .= '</table>';
1201: } else {
1202: $output .= &Apache::loncommon::end_data_table();
1203: }
1204: if (@{$available} > 1) {
1205: $output .= '</div></fieldset>';
1206: }
1207: $r->print($output);
1208: return;
1209: }
1210:
1211: sub to_show {
1212: my ($slotname,$slot,$when,$deleted,$name) = @_;
1213: my $time=time;
1214: my $week=60*60*24*7;
1215:
1216: if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
1217: return 0;
1218: }
1219:
1220: if ($name && $name->{'value'} =~ /\w/) {
1221: if ($name->{'type'} eq 'substring') {
1222: if ($slotname !~ /\Q$name->{'value'}\E/) {
1223: return 0;
1224: }
1225: }
1226: if ($name->{'type'} eq 'exact') {
1227: if ($slotname eq $name->{'value'}) {
1228: return 0;
1229: }
1230: }
1231: }
1232:
1233: if ($when eq 'any') {
1234: return 1;
1235: } elsif ($when eq 'now') {
1236: if ($time > $slot->{'starttime'} &&
1237: $time < $slot->{'endtime'}) {
1238: return 1;
1239: }
1240: return 0;
1241: } elsif ($when eq 'nextweek') {
1242: if ( ($time < $slot->{'starttime'} &&
1243: ($time+$week) > $slot->{'starttime'})
1244: ||
1245: ($time < $slot->{'endtime'} &&
1246: ($time+$week) > $slot->{'endtime'}) ) {
1247: return 1;
1248: }
1249: return 0;
1250: } elsif ($when eq 'lastweek') {
1251: if ( ($time > $slot->{'starttime'} &&
1252: ($time-$week) < $slot->{'starttime'})
1253: ||
1254: ($time > $slot->{'endtime'} &&
1255: ($time-$week) < $slot->{'endtime'}) ) {
1256: return 1;
1257: }
1258: return 0;
1259: } elsif ($when eq 'willopen') {
1260: if ($time < $slot->{'starttime'}) {
1261: return 1;
1262: }
1263: return 0;
1264: } elsif ($when eq 'wereopen') {
1265: if ($time > $slot->{'endtime'}) {
1266: return 1;
1267: }
1268: return 0;
1269: }
1270:
1271: return 1;
1272: }
1273:
1274: sub remove_link {
1275: my ($slotname,$entry,$uname,$udom,$symb) = @_;
1276:
1277: my $remove = &mt('Remove');
1278:
1279: if ($entry eq 'remove all') {
1280: $remove = &mt('Remove All');
1281: undef($uname);
1282: undef($udom);
1283: }
1284:
1285: $slotname = &escape($slotname);
1286: $entry = &escape($entry);
1287: $uname = &escape($uname);
1288: $udom = &escape($udom);
1289: $symb = &escape($symb);
1290:
1291: return <<"END_LINK";
1292: <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb&context=manage"
1293: >($remove)</a>
1294: END_LINK
1295:
1296: }
1297:
1298: sub show_table {
1299: my ($r,$mgr)=@_;
1300:
1301: my ($cnum,$cdom)=&get_course();
1302: my $crstype=&Apache::loncommon::course_type($cdom.'_'.$cnum);
1303: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1304: if ( (keys(%slots))[0] =~ /^error: 2 /) {
1305: undef(%slots);
1306: }
1307: my $available;
1308: if ($mgr eq 'F') {
1309: # FIXME: This line should be deleted once Slots uses breadcrumbs
1310: $r->print('<br />'.&Apache::loncommon::help_open_topic(
1311: 'Slot About', &mt('Help on slots')));
1312:
1313: $r->print('<div>');
1314: $r->print('<form method="post" action="/adm/slotrequest">
1315: <input type="hidden" name="command" value="uploadstart" />
1316: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
1317: </form>');
1318: $r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited'));
1319: $r->print('<form method="post" action="/adm/helper/newslot.helper">
1320: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
1321: </form>');
1322: $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface'));
1323: $r->print('</div>');
1324: }
1325:
1326: if (!keys(%slots)) {
1327: $r->print(
1328: '<p class="LC_info">'
1329: .&mt('No slots have been created in this '.lc($crstype).'.')
1330: .'</p>'
1331: );
1332: return;
1333: }
1334:
1335: my %Saveable_Parameters = ('show' => 'array',
1336: 'when' => 'scalar',
1337: 'order' => 'scalar',
1338: 'deleted' => 'scalar',
1339: 'name_filter_type' => 'scalar',
1340: 'name_filter_value' => 'scalar',
1341: );
1342: &Apache::loncommon::store_course_settings('slotrequest',
1343: \%Saveable_Parameters);
1344: &Apache::loncommon::restore_course_settings('slotrequest',
1345: \%Saveable_Parameters);
1346: &Apache::grades::init_perm();
1347: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
1348: &Apache::grades::reset_perm();
1349:
1350: # what to display filtering
1351: my %show_fields=&Apache::lonlocal::texthash(
1352: 'name' => 'Slot Name',
1353: 'description' => 'Description',
1354: 'type' => 'Type',
1355: 'starttime' => 'Start time',
1356: 'endtime' => 'End Time',
1357: 'startreserve' => 'Time students can start reserving',
1358: 'endreserve' => 'Time students can no longer reserve',
1359: 'reservationmsg' => 'Message triggered by reservation',
1360: 'secret' => 'Secret Word',
1361: 'space' => '# of students/max',
1362: 'ip' => 'IP or DNS restrictions',
1363: 'symb' => 'Resource/Map slot is restricted to.',
1364: 'allowedsections' => 'Sections slot is restricted to.',
1365: 'allowedusers' => 'Users slot is restricted to.',
1366: 'uniqueperiod' => 'Period of time slot is unique',
1367: 'scheduled' => 'Scheduled Students',
1368: 'proctor' => 'List of proctors');
1369: if ($crstype eq 'Community') {
1370: $show_fields{'startreserve'} = &mt('Time members can start reserving');
1371: $show_fields{'endreserve'} = &mt('Time members can no longer reserve');
1372: $show_fields{'scheduled'} = &mt('Scheduled Members');
1373: }
1374: my @show_order=('name','description','type','starttime','endtime',
1375: 'startreserve','endreserve','reservationmsg','secret','space',
1376: 'ip','symb','allowedsections','allowedusers','uniqueperiod',
1377: 'scheduled','proctor');
1378: my @show =
1379: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
1380: : keys(%show_fields);
1381: my %show = map { $_ => 1 } (@show);
1382:
1383: #when filtering setup
1384: my %when_fields=&Apache::lonlocal::texthash(
1385: 'now' => 'Open now',
1386: 'nextweek' => 'Open within the next week',
1387: 'lastweek' => 'Were open last week',
1388: 'willopen' => 'Will open later',
1389: 'wereopen' => 'Were open',
1390: 'any' => 'Anytime',
1391: );
1392: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
1393: $when_fields{'select_form_order'} = \@when_order;
1394: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
1395: : 'now';
1396:
1397: #display of students setup
1398: my %stu_display_fields=
1399: &Apache::lonlocal::texthash('username' => 'User name',
1400: 'fullname' => 'Full name',
1401: );
1402: my @stu_display_order=('fullname','username');
1403: my @stu_display =
1404: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
1405: : keys(%stu_display_fields);
1406: my %stu_display = map { $_ => 1 } (@stu_display);
1407:
1408: #name filtering setup
1409: my %name_filter_type_fields=
1410: &Apache::lonlocal::texthash('substring' => 'Substring',
1411: 'exact' => 'Exact',
1412: #'reg' => 'Regular Expression',
1413: );
1414: my @name_filter_type_order=('substring','exact');
1415:
1416: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
1417: my $name_filter_type =
1418: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
1419: : 'substring';
1420: my $name_filter = {'type' => $name_filter_type,
1421: 'value' => $env{'form.name_filter_value'},};
1422:
1423:
1424: #deleted slot filtering
1425: #default to hide if no value
1426: $env{'form.deleted'} ||= 'hide';
1427: my $hide_radio =
1428: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
1429: my $show_radio =
1430: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
1431:
1432: $r->print('<form method="post" action="/adm/slotrequest">
1433: <input type="hidden" name="command" value="showslots" />');
1434: $r->print('<div>');
1435: $r->print('<table class="inline">
1436: <tr><th>'.&mt('Show').'</th>
1437: <th>'.&mt('Student Display').'</th>
1438: <th>'.&mt('Open').'</th>
1439: <th>'.&mt('Slot Name Filter').'</th>
1440: <th>'.&mt('Options').'</th>
1441: </tr>
1442: <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1443: '</td>
1444: <td valign="top">
1445: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1446: 6,\%stu_display_fields,
1447: \@stu_display_order).'
1448: </td>
1449: <td valign="top">'.&Apache::loncommon::select_form($when,'when',\%when_fields).
1450: '</td>
1451: <td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
1452: 'name_filter_type',
1453: \%name_filter_type_fields).
1454: '<br />'.
1455: &Apache::lonhtmlcommon::textbox('name_filter_value',
1456: $env{'form.name_filter_value'},
1457: 15).
1458: '</td>
1459: <td valign="top">
1460: <table>
1461: <tr>
1462: <td rowspan="2">'.&mt('Deleted slots:').'</td>
1463: <td><label>'.$show_radio.&mt('Show').'</label></td>
1464: </tr>
1465: <tr>
1466: <td><label>'.$hide_radio.&mt('Hide').'</label></td>
1467: </tr>
1468: </table>
1469: </td>
1470: </tr>
1471: </table>');
1472: $r->print('</div>');
1473: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1474: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1475: $r->print(&Apache::loncommon::start_data_table().
1476: &Apache::loncommon::start_data_table_header_row().'
1477: <th></th>');
1478: foreach my $which (@show_order) {
1479: if ($which ne 'proctor' && exists($show{$which})) {
1480: $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1481: }
1482: }
1483: $r->print(&Apache::loncommon::end_data_table_header_row());
1484:
1485: my %name_cache;
1486: my $slotsort = sub {
1487: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|endreserve|ip|symb|allowedsections|allowedusers|reservationmsg)$/) {
1488: if (lc($slots{$a}->{$env{'form.order'}})
1489: ne lc($slots{$b}->{$env{'form.order'}})) {
1490: return (lc($slots{$a}->{$env{'form.order'}})
1491: cmp lc($slots{$b}->{$env{'form.order'}}));
1492: }
1493: } elsif ($env{'form.order'} eq 'space') {
1494: if ($slots{$a}{'maxspace'} ne $slots{$b}{'maxspace'}) {
1495: return ($slots{$a}{'maxspace'} cmp $slots{$b}{'maxspace'});
1496: }
1497: } elsif ($env{'form.order'} eq 'name') {
1498: if (lc($a) cmp lc($b)) {
1499: return lc($a) cmp lc($b);
1500: }
1501: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1502:
1503: if ($slots{$a}->{'uniqueperiod'}[0]
1504: ne $slots{$b}->{'uniqueperiod'}[0]) {
1505: return ($slots{$a}->{'uniqueperiod'}[0]
1506: cmp $slots{$b}->{'uniqueperiod'}[0]);
1507: }
1508: if ($slots{$a}->{'uniqueperiod'}[1]
1509: ne $slots{$b}->{'uniqueperiod'}[1]) {
1510: return ($slots{$a}->{'uniqueperiod'}[1]
1511: cmp $slots{$b}->{'uniqueperiod'}[1]);
1512: }
1513: }
1514: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1515: };
1516:
1517: my %consumed;
1518: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1519: %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum);
1520: my ($tmp)=%consumed;
1521: if ($tmp =~ /^error: /) { undef(%consumed); }
1522: }
1523:
1524: my %msgops = &slot_reservationmsg_options();
1525:
1526: foreach my $slot (sort $slotsort (keys(%slots))) {
1527: if (!&to_show($slot,$slots{$slot},$when,
1528: $env{'form.deleted'},$name_filter)) { next; }
1529: my $reservemsg;
1530: if (defined($slots{$slot}->{'type'})
1531: && $slots{$slot}->{'type'} eq 'schedulable_student') {
1532: $reservemsg = $msgops{$slots{$slot}->{'reservationmsg'}};
1533: }
1534: my $description=&get_description($slot,$slots{$slot});
1535: my ($id_count,$ids);
1536:
1537: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1538: my $re_str = "$slot\0";
1539: my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed));
1540: $id_count = scalar(@this_slot);
1541: if (exists($show{'scheduled'})) {
1542: foreach my $entry (sort { $consumed{$a}{name} cmp
1543: $consumed{$b}{name} }
1544: (@this_slot)) {
1545: my (undef,$id)=split("\0",$entry);
1546: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1547: $ids.= '<span class="LC_nobreak">';
1548: foreach my $item (@stu_display_order) {
1549: if ($stu_display{$item}) {
1550: if ($item eq 'fullname') {
1551: $ids.=$fullname->{"$uname:$udom"}.' ';
1552: } elsif ($item eq 'username') {
1553: $ids.="<tt>$uname:$udom</tt> ";
1554: }
1555: }
1556: }
1557: $ids.=&remove_link($slot,$entry,$uname,$udom,
1558: $consumed{$entry}{'symb'}).'</span><br />';
1559: }
1560: }
1561: }
1562:
1563: my $start=($slots{$slot}->{'starttime'}?
1564: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1565: my $end=($slots{$slot}->{'endtime'}?
1566: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1567: my $start_reserve=($slots{$slot}->{'startreserve'}?
1568: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1569: my $end_reserve=($slots{$slot}->{'endreserve'}?
1570: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endreserve'}):'');
1571:
1572: my $unique;
1573: if (ref($slots{$slot}{'uniqueperiod'})) {
1574: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1575: localtime($slots{$slot}{'uniqueperiod'}[1]);
1576: }
1577:
1578: my $title;
1579: if (exists($slots{$slot}{'symb'})) {
1580: my (undef,undef,$res)=
1581: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1582: $res = &Apache::lonnet::clutter($res);
1583: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1584: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1585: }
1586:
1587: my $allowedsections;
1588: if (exists($show{'allowedsections'})) {
1589: $allowedsections =
1590: join(', ',sort(split(/\s*,\s*/,
1591: $slots{$slot}->{'allowedsections'})));
1592: }
1593:
1594: my @allowedusers;
1595: if (exists($show{'allowedusers'})) {
1596: @allowedusers= map {
1597: my ($uname,$udom)=split(/:/,$_);
1598: my $fullname=$name_cache{$_};
1599: if (!defined($fullname)) {
1600: $fullname = &Apache::loncommon::plainname($uname,$udom);
1601: $fullname =~s/\s/ /g;
1602: $name_cache{$_} = $fullname;
1603: }
1604: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1605: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1606: }
1607: my $allowedusers=join(', ',@allowedusers);
1608:
1609: my @proctors;
1610: my $rowspan=1;
1611: my $colspan=1;
1612: if (exists($show{'proctor'})) {
1613: $rowspan=2;
1614: @proctors= map {
1615: my ($uname,$udom)=split(/:/,$_);
1616: my $fullname=$name_cache{$_};
1617: if (!defined($fullname)) {
1618: $fullname = &Apache::loncommon::plainname($uname,$udom);
1619: $fullname =~s/\s/ /g;
1620: $name_cache{$_} = $fullname;
1621: }
1622: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1623: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1624: }
1625: my $proctors=join(', ',@proctors);
1626:
1627: my %lt = &Apache::lonlocal::texthash (
1628: edit => 'Edit',
1629: delete => 'Delete',
1630: slotlog => 'History',
1631: );
1632: my $edit=(<<"EDITLINK");
1633: <a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
1634: EDITLINK
1635:
1636: my $delete=(<<"DELETELINK");
1637: <a href="/adm/slotrequest?command=delete&slotname=$slot">$lt{'delete'}</a>
1638: DELETELINK
1639:
1640: my $showlog=(<<"LOGLINK");
1641: <a href="/adm/slotrequest?command=slotlog&slotname=$slot">$lt{'slotlog'}</a>
1642: LOGLINK
1643:
1644: my $remove_all=&remove_link($slot,'remove all').'<br />';
1645:
1646: if ($ids eq '') {
1647: undef($remove_all);
1648: } else {
1649: undef($delete);
1650: }
1651: if ($slots{$slot}{'type'} ne 'schedulable_student') {
1652: undef($showlog);
1653: undef($remove_all);
1654: }
1655:
1656: my $row_start=&Apache::loncommon::start_data_table_row();
1657: my $row_end=&Apache::loncommon::end_data_table_row();
1658: $r->print($row_start.
1659: "\n<td rowspan=\"$rowspan\">$edit $delete $showlog</td>\n");
1660: if (exists($show{'name'})) {
1661: $colspan++;$r->print("<td>$slot</td>");
1662: }
1663: if (exists($show{'description'})) {
1664: $colspan++;$r->print("<td>$description</td>\n");
1665: }
1666: if (exists($show{'type'})) {
1667: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1668: }
1669: if (exists($show{'starttime'})) {
1670: $colspan++;$r->print("<td>$start</td>\n");
1671: }
1672: if (exists($show{'endtime'})) {
1673: $colspan++;$r->print("<td>$end</td>\n");
1674: }
1675: if (exists($show{'startreserve'})) {
1676: $colspan++;$r->print("<td>$start_reserve</td>\n");
1677: }
1678: if (exists($show{'endreserve'})) {
1679: $colspan++;$r->print("<td>$end_reserve</td>\n");
1680: }
1681: if (exists($show{'reservationmsg'})) {
1682: $colspan++;$r->print("<td>$reservemsg</td>\n");
1683: }
1684: if (exists($show{'secret'})) {
1685: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1686: }
1687: if (exists($show{'space'})) {
1688: my $display = $id_count;
1689: if ($slots{$slot}{'maxspace'}>0) {
1690: $display.='/'.$slots{$slot}{'maxspace'};
1691: if ($slots{$slot}{'maxspace'} <= $id_count) {
1692: $display = '<strong>'.$display.' (full) </strong>';
1693: }
1694: }
1695: $colspan++;$r->print("<td>$display</td>\n");
1696: }
1697: if (exists($show{'ip'})) {
1698: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1699: }
1700: if (exists($show{'symb'})) {
1701: $colspan++;$r->print("<td>$title</td>\n");
1702: }
1703: if (exists($show{'allowedsections'})) {
1704: $colspan++;$r->print("<td>$allowedsections</td>\n");
1705: }
1706: if (exists($show{'allowedusers'})) {
1707: $colspan++;$r->print("<td>$allowedusers</td>\n");
1708: }
1709: if (exists($show{'uniqueperiod'})) {
1710: $colspan++;$r->print("<td>$unique</td>\n");
1711: }
1712: if (exists($show{'scheduled'})) {
1713: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1714: }
1715: $r->print("$row_end\n");
1716: if (exists($show{'proctor'})) {
1717: $r->print(<<STUFF);
1718: $row_start
1719: <td colspan="$colspan">$proctors</td>
1720: $row_end
1721: STUFF
1722: }
1723: }
1724: $r->print(&Apache::loncommon::end_data_table().'</form>');
1725: return;
1726: }
1727:
1728: sub manage_reservations {
1729: my ($r,$crstype,$slots,$consumed_uniqueperiods,$allavailable) = @_;
1730: my $navmap = Apache::lonnavmaps::navmap->new();
1731: $r->print('<p>'
1732: .&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.')
1733: .'<br />'
1734: .&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.')
1735: .'</p>'
1736: );
1737: if (!defined($navmap)) {
1738: $r->print('<div class="LC_error">');
1739: if ($crstype eq 'Community') {
1740: $r->print(&mt('Unable to retrieve information about community contents'));
1741: } else {
1742: $r->print(&mt('Unable to retrieve information about course contents'));
1743: }
1744: $r->print('</div>');
1745: &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
1746: return;
1747: }
1748: if (ref($consumed_uniqueperiods) eq 'HASH') {
1749: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
1750: $r->print('<span class="LC_error">'.
1751: &mt('An error occurred determining slot availability.').
1752: '</span>');
1753: return;
1754: }
1755: } elsif ($consumed_uniqueperiods =~ /^error: /) {
1756: $r->print('<span class="LC_error">'.
1757: &mt('An error occurred determining slot availability.').
1758: '</span>');
1759: return;
1760: }
1761: my (%parent,%shownparent,%container,%container_title,%contents);
1762: my ($depth,$count,$reservable,$lastcontainer,$rownum) = (0,0,0,0,0);
1763: my @backgrounds = ("LC_odd_row","LC_even_row");
1764: my $numcolors = scalar(@backgrounds);
1765: my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
1766: my $slotheader = '<p>'.
1767: &mt('Your reservation status for any such assignments is listed below:').
1768: '</p>'.
1769: '<table class="LC_data_table LC_tableOfContent">'."\n";
1770: my $shownheader = 0;
1771: my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
1772: while (my $resource = $it->next()) {
1773: if ($resource == $it->BEGIN_MAP()) {
1774: $depth++;
1775: $parent{$depth} = $lastcontainer;
1776: }
1777: if ($resource == $it->END_MAP()) {
1778: $depth--;
1779: $lastcontainer = $parent{$depth};
1780: }
1781: if (ref($resource)) {
1782: my $symb = $resource->symb();
1783: my $ressymb = $symb;
1784: $contents{$lastcontainer} ++;
1785: next if (!$resource->is_problem() && !$resource->is_sequence() &&
1786: !$resource->is_page());
1787: $count ++;
1788: if (($resource->is_sequence()) || ($resource->is_page())) {
1789: $lastcontainer = $count;
1790: $container{$lastcontainer} = $resource;
1791: $container_title{$lastcontainer} = $resource->compTitle();
1792: }
1793: if ($resource->is_problem()) {
1794: my ($useslots) = $resource->slot_control();
1795: next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i));
1796: my ($msg,$get_choices,$slotdescription);
1797: my $title = $resource->compTitle();
1798: my $status = $resource->simpleStatus('0');
1799: my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0');
1800: if ($slot_name ne '') {
1801: my %slot=&Apache::lonnet::get_slot($slot_name);
1802: $slotdescription=&get_description($slot_name,\%slot);
1803: }
1804: if ($slot_status == $resource->NOT_IN_A_SLOT) {
1805: $msg=&mt('No current reservation.');
1806: $get_choices = 1;
1807: } elsif ($slot_status == $resource->NEEDS_CHECKIN) {
1808: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1809: ' '.$slotdescription.'</span><br />'.
1810: &mt('Access requires proctor validation.');
1811: } elsif ($slot_status == $resource->WAITING_FOR_GRADE) {
1812: $msg=&mt('Submitted and currently in grading queue.');
1813: } elsif ($slot_status == $resource->CORRECT) {
1814: $msg=&mt('Problem is unavailable.');
1815: } elsif ($slot_status == $resource->RESERVED) {
1816: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1817: ' '.$slotdescription.'</span><br />'.
1818: &mt('Problem is currently available.');
1819: } elsif ($slot_status == $resource->RESERVED_LOCATION) {
1820: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1821: ' '.$slotdescription.'</span><br />'.
1822: &mt('Problem is available at a different location.');
1823: $get_choices = 1;
1824: } elsif ($slot_status == $resource->RESERVED_LATER) {
1825: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1826: ' '.$slotdescription.'</span><br />'.
1827: &mt('Problem will be available later.');
1828: $get_choices = 1;
1829: } elsif ($slot_status == $resource->RESERVABLE) {
1830: $msg=&mt('Reservation needed');
1831: $get_choices = 1;
1832: } elsif ($slot_status == $resource->RESERVABLE_LATER) {
1833: $msg=&mt('Reservation needed: will be reservable later.');
1834: } elsif ($slot_status == $resource->NOTRESERVABLE) {
1835: $msg=&mt('Reservation needed: none available.');
1836: } elsif ($slot_status == $resource->UNKNOWN) {
1837: $msg=&mt('Unable to determine status due to network problems.');
1838: } else {
1839: if ($status != $resource->OPEN) {
1840: $msg = &Apache::lonnavmaps::getDescription($resource,'0');
1841: }
1842: }
1843: $reservable ++;
1844: my $treelevel = $depth;
1845: my $higherup = $lastcontainer;
1846: if ($depth > 1) {
1847: my @maprows;
1848: while ($treelevel > 1) {
1849: if (ref($container{$higherup})) {
1850: my $res = $container{$higherup};
1851: last if (defined($shownparent{$higherup}));
1852: my $maptitle = $res->compTitle();
1853: my $type = 'sequence';
1854: if ($res->is_page()) {
1855: $type = 'page';
1856: }
1857: &show_map_row($treelevel,$location,$type,$maptitle,
1858: \@maprows);
1859: $shownparent{$higherup} = 1;
1860: }
1861: $treelevel --;
1862: $higherup = $parent{$treelevel};
1863: }
1864: foreach my $item (@maprows) {
1865: $rownum ++;
1866: my $bgcolor = $backgrounds[$rownum % $numcolors];
1867: if (!$shownheader) {
1868: $r->print($slotheader);
1869: $shownheader = 1;
1870: }
1871: $r->print('<tr class="'.$bgcolor.'">'.$item.'</tr>'."\n");
1872: }
1873: }
1874: $rownum ++;
1875: my $bgcolor = $backgrounds[$rownum % $numcolors];
1876: if (!$shownheader) {
1877: $r->print($slotheader);
1878: $shownheader = 1;
1879: }
1880: $r->print('<tr class="'.$bgcolor.'"><td>'."\n");
1881: for (my $i=0; $i<$depth; $i++) {
1882: $r->print('<img src="'.$location.'" alt="" />');
1883: }
1884: my $result = '<a href="'.$resource->src().'?symb='.$symb.'">'.
1885: '<img class="LC_contentImage" src="/adm/lonIcons/';
1886: if ($resource->is_task()) {
1887: $result .= 'task.gif" alt="'.&mt('Task');
1888: } else {
1889: $result .= 'problem.gif" alt="'.&mt('Problem');
1890: }
1891: $result .= '" /><b>'.$title.'</b></a>'.(' ' x6).'</td>';
1892: my $hasaction;
1893: if ($status == $resource->OPEN) {
1894: if ($get_choices) {
1895: $hasaction = 1;
1896: }
1897: }
1898: if ($hasaction) {
1899: $result .= '<td valign="top">'.$msg.'</td>'.
1900: '<td valign="top">';
1901: } else {
1902: $result .= '<td colspan="2" valign="middle">'.$msg.'</td>';
1903: }
1904: $r->print($result);
1905: if ($hasaction) {
1906: my @got_slots=&check_for_reservation($symb,'allslots');
1907: if ($got_slots[0] =~ /^error: /) {
1908: $r->print('<span class="LC_error">'.
1909: &mt('An error occurred determining slot availability.').
1910: '</span>');
1911: } else {
1912: my $formname = 'manageres_'.$reservable;
1913: if (ref($allavailable) eq 'ARRAY') {
1914: my @available;
1915: if (ref($slots) eq 'HASH') {
1916: foreach my $slot (@{$allavailable}) {
1917: # not allowed for this resource
1918: if (ref($slots->{$slot}) eq 'HASH') {
1919: if ((defined($slots->{$slot}->{'symb'})) &&
1920: ($slots->{$slot}->{'symb'} ne $symb)) {
1921: next;
1922: }
1923: }
1924: push(@available,$slot);
1925: }
1926: }
1927: &show_choices($r,$symb,$formname,$reservable,$slots,$consumed_uniqueperiods,
1928: \@available,\@got_slots);
1929: }
1930: }
1931: $r->print('</td>');
1932: }
1933: $r->print('</tr>');
1934: }
1935: }
1936: }
1937: if ($shownheader) {
1938: $r->print('</table>');
1939: }
1940: if (!$reservable) {
1941: $r->print('<span class="LC_info">');
1942: if ($crstype eq 'Community') {
1943: $r->print(&mt('No community items currently require a reservation to gain access.'));
1944: } else {
1945: $r->print(&mt('No course items currently require a reservation to gain access.'));
1946: }
1947: $r->print('</span>');
1948: }
1949: $r->print('<p><a href="/adm/slotrequest?command=showresv">'.
1950: &mt('Reservation History').'</a></p>');
1951: }
1952:
1953: sub show_map_row {
1954: my ($depth,$location,$type,$title,$maprows) = @_;
1955: my $output = '<td>';
1956: for (my $i=0; $i<$depth-1; $i++) {
1957: $output .= '<img src="'.$location.'" alt="" />';
1958: }
1959: if ($type eq 'page') {
1960: $output .= '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" /> '."\n";
1961: } else {
1962: $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n";
1963: }
1964: $output .= $title.'</td><td colspan="2"> </td>'."\n";
1965: unshift (@{$maprows},$output);
1966: return;
1967: }
1968:
1969: sub show_reservations {
1970: my ($r,$uname,$udom) = @_;
1971: if (!defined($uname)) {
1972: $uname = $env{'user.name'};
1973: }
1974: if (!defined($udom)) {
1975: $udom = $env{'user.domain'};
1976: }
1977: my $formname = 'slotlog';
1978: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1979: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1980: my $crstype = &Apache::loncommon::course_type();
1981: my %log=&Apache::lonnet::dump('nohist_'.$cdom.'_'.$cnum.'_slotlog',$udom,$uname);
1982: if ($env{'form.origin'} eq 'aboutme') {
1983: $r->print('<div class="LC_fontsize_large">');
1984: my $name = &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'},
1985: 'firstname');
1986: if ($crstype eq 'Community') {
1987: $r->print(&mt('History of member-reservable slots for: [_1]',
1988: $name));
1989: } else {
1990: $r->print(&mt('History of student-reservable slots for: [_1]',
1991: $name));
1992:
1993: }
1994: $r->print('</div>');
1995: }
1996: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1997: # set defaults
1998: my $now = time();
1999: my $defstart = $now - (7*24*3600); #7 days ago
2000: my %defaults = (
2001: page => '1',
2002: show => '10',
2003: action => 'any',
2004: log_start_date => $defstart,
2005: log_end_date => $now,
2006: );
2007: my $more_records = 0;
2008:
2009: # set current
2010: my %curr;
2011: foreach my $item ('show','page','action') {
2012: $curr{$item} = $env{'form.'.$item};
2013: }
2014: my ($startdate,$enddate) =
2015: &Apache::lonuserutils::get_dates_from_form('log_start_date',
2016: 'log_end_date');
2017: $curr{'log_start_date'} = $startdate;
2018: $curr{'log_end_date'} = $enddate;
2019: foreach my $key (keys(%defaults)) {
2020: if ($curr{$key} eq '') {
2021: $curr{$key} = $defaults{$key};
2022: }
2023: }
2024: my ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
2025: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version));
2026: my $showntablehdr = 0;
2027: my $tablehdr = &Apache::loncommon::start_data_table().
2028: &Apache::loncommon::start_data_table_header_row().
2029: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Action').'</th>'.
2030: '<th>'.&mt('Description').'</th><th>'.&mt('Start time').'</th>'.
2031: '<th>'.&mt('End time').'</th><th>'.&mt('Resource').'</th>'.
2032: &Apache::loncommon::end_data_table_header_row();
2033: my ($minshown,$maxshown);
2034: $minshown = 1;
2035: my $count = 0;
2036: if ($curr{'show'} ne &mt('all')) {
2037: $maxshown = $curr{'page'} * $curr{'show'};
2038: if ($curr{'page'} > 1) {
2039: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
2040: }
2041: }
2042: my (%titles,%maptitles);
2043: my %lt = &reservationlog_contexts($crstype);
2044: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
2045: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
2046: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
2047: if ($curr{'show'} ne &mt('all')) {
2048: if ($count >= $curr{'page'} * $curr{'show'}) {
2049: $more_records = 1;
2050: last;
2051: }
2052: }
2053: if ($curr{'action'} ne 'any') {
2054: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
2055: }
2056: $count ++;
2057: next if ($count < $minshown);
2058: if (!$showntablehdr) {
2059: $r->print($tablehdr);
2060: $showntablehdr = 1;
2061: }
2062: my $symb = $log{$id}{'logentry'}{'symb'};
2063: my $slot_name = $log{$id}{'logentry'}{'slot'};
2064: my %slot=&Apache::lonnet::get_slot($slot_name);
2065: my $description = $slot{'description'};
2066: my $start = ($slot{'starttime'}?
2067: &Apache::lonlocal::locallocaltime($slot{'starttime'}):'');
2068: my $end = ($slot{'endtime'}?
2069: &Apache::lonlocal::locallocaltime($slot{'endtime'}):'');
2070: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2071: my $chgaction = $log{$id}{'logentry'}{'action'};
2072: if ($chgaction ne '' && $lt{$chgaction} ne '') {
2073: $chgaction = $lt{$chgaction};
2074: }
2075: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$chgaction.'</td><td>'.$description.'</td><td>'.$start.'</td><td>'.$end.'</td><td>'.$title.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
2076: }
2077: if ($showntablehdr) {
2078: $r->print(&Apache::loncommon::end_data_table().'<br />');
2079: if (($curr{'page'} > 1) || ($more_records)) {
2080: $r->print('<table><tr>');
2081: if ($curr{'page'} > 1) {
2082: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
2083: }
2084: if ($more_records) {
2085: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
2086: }
2087: $r->print('</tr></table>');
2088: $r->print(<<"ENDSCRIPT");
2089: <script type="text/javascript">
2090: // <![CDATA[
2091: function chgPage(caller) {
2092: if (caller == 'previous') {
2093: document.$formname.page.value --;
2094: }
2095: if (caller == 'next') {
2096: document.$formname.page.value ++;
2097: }
2098: document.$formname.submit();
2099: return;
2100: }
2101: // ]]>
2102: </script>
2103: ENDSCRIPT
2104: }
2105: } else {
2106: $r->print('<span class="LC_info">'
2107: .&mt('There are no transactions to display.')
2108: .'</span>'
2109: );
2110: }
2111: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'."\n".
2112: '<input type="hidden" name="command" value="showresv" />'."\n");
2113: if ($env{'form.origin'} eq 'aboutme') {
2114: $r->print('<input type="hidden" name="origin" value="'.$env{'form.origin'}.'" />'."\n".
2115: '<input type="hidden" name="uname" value="'.$env{'form.uname'}.'" />'."\n".
2116: '<input type="hidden" name="udom" value="'.$env{'form.udom'}.'" />'."\n");
2117: }
2118: $r->print('</form>');
2119: return;
2120: }
2121:
2122: sub show_reservations_log {
2123: my ($r) = @_;
2124: my $badslot;
2125: my $crstype = &Apache::loncommon::course_type();
2126: if ($env{'form.slotname'} eq '') {
2127: $r->print('<div class="LC_warning">'.&mt('No slot name provided').'</div>');
2128: $badslot = 1;
2129: } else {
2130: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
2131: if (keys(%slot) == 0) {
2132: $r->print('<div class="LC_warning">'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'</div>');
2133: $badslot = 1;
2134: } elsif ($slot{type} ne 'schedulable_student') {
2135: my $description = &get_description($env{'form.slotname'},\%slot);
2136: $r->print('<div class="LC_warning">');
2137: if ($crstype eq 'Community') {
2138: $r->print(&mt('Reservation history unavailable for non-member-reservable slot: [_1].',$description));
2139: } else {
2140: $r->print(&mt('Reservation history unavailable for non-student-reservable slot: [_1].',$description));
2141: }
2142: $r->print('</div>');
2143: $badslot = 1;
2144: }
2145: }
2146: if ($badslot) {
2147: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
2148: &mt('Return to slot list').'</a></p>');
2149: return;
2150: }
2151: my $formname = 'reservationslog';
2152: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2153: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2154: my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$cdom,$cnum);
2155: if ((keys(%slotlog))[0]=~/^error\:/) { undef(%slotlog); }
2156:
2157: my (%log,@allsymbs);
2158: if (keys(%slotlog)) {
2159: foreach my $key (keys(%slotlog)) {
2160: if (ref($slotlog{$key}) eq 'HASH') {
2161: if (ref($slotlog{$key}{'logentry'}) eq 'HASH') {
2162: if ($slotlog{$key}{'logentry'}{'slot'} eq $env{'form.slotname'}) {
2163: $log{$key} = $slotlog{$key};
2164: if ($slotlog{$key}{'logentry'}{'symb'} ne '') {
2165: push(@allsymbs,$slotlog{$key}{'logentry'}{'symb'});
2166: }
2167: }
2168: }
2169: }
2170: }
2171: }
2172:
2173: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
2174: my %saveable_parameters = ('show' => 'scalar',);
2175: &Apache::loncommon::store_course_settings('reservationslog',
2176: \%saveable_parameters);
2177: &Apache::loncommon::restore_course_settings('reservationslog',
2178: \%saveable_parameters);
2179: # set defaults
2180: my $now = time();
2181: my $defstart = $now - (7*24*3600); #7 days ago
2182: my %defaults = (
2183: page => '1',
2184: show => '10',
2185: chgcontext => 'any',
2186: action => 'any',
2187: symb => 'any',
2188: log_start_date => $defstart,
2189: log_end_date => $now,
2190: );
2191: my $more_records = 0;
2192:
2193: # set current
2194: my %curr;
2195: foreach my $item ('show','page','chgcontext','action','symb') {
2196: $curr{$item} = $env{'form.'.$item};
2197: }
2198: my ($startdate,$enddate) =
2199: &Apache::lonuserutils::get_dates_from_form('log_start_date',
2200: 'log_end_date');
2201: $curr{'log_start_date'} = $startdate;
2202: $curr{'log_end_date'} = $enddate;
2203: foreach my $key (keys(%defaults)) {
2204: if ($curr{$key} eq '') {
2205: $curr{$key} = $defaults{$key};
2206: }
2207: }
2208: my (%whodunit,%changed,$version);
2209: ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
2210:
2211: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
2212: my $description = $slot{'description'};
2213: $r->print('<span class="LC_fontsize_large">');
2214: if ($crstype eq 'Community') {
2215: $r->print(&mt('Reservation changes for member-reservable slot: [_1]',$description));
2216: } else {
2217: $r->print(&mt('Reservation changes for student-reservable slot: [_1]',$description));
2218: }
2219: $r->print('</span><br />');
2220: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs));
2221: my $showntablehdr = 0;
2222: my $tablehdr = &Apache::loncommon::start_data_table().
2223: &Apache::loncommon::start_data_table_header_row().
2224: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Who made the change').
2225: '</th><th>'.&mt('Affected User').'</th><th>'.&mt('Action').'</th>'.
2226: '<th>'.&mt('Resource').'</th><th>'.&mt('Context').'</th>'.
2227: &Apache::loncommon::end_data_table_header_row();
2228: my ($minshown,$maxshown);
2229: $minshown = 1;
2230: my $count = 0;
2231: if ($curr{'show'} ne &mt('all')) {
2232: $maxshown = $curr{'page'} * $curr{'show'};
2233: if ($curr{'page'} > 1) {
2234: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
2235: }
2236: }
2237: my %lt = &reservationlog_contexts($crstype);
2238: my (%titles,%maptitles);
2239: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
2240: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
2241: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
2242: if ($curr{'show'} ne &mt('all')) {
2243: if ($count >= $curr{'page'} * $curr{'show'}) {
2244: $more_records = 1;
2245: last;
2246: }
2247: }
2248: if ($curr{'chgcontext'} ne 'any') {
2249: if ($curr{'chgcontext'} eq 'user') {
2250: next if (($log{$id}{'logentry'}{'context'} ne 'user') &&
2251: ($log{$id}{'logentry'}{'context'} ne 'usermanage'));
2252: } else {
2253: next if ($log{$id}{'logentry'}{'context'} ne $curr{'chgcontext'});
2254: }
2255: }
2256: if ($curr{'action'} ne 'any') {
2257: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
2258: }
2259: if ($curr{'symb'} ne 'any') {
2260: next if ($log{$id}{'logentry'}{'symb'} ne $curr{'symb'});
2261: }
2262: $count ++;
2263: next if ($count < $minshown);
2264: if (!$showntablehdr) {
2265: $r->print($tablehdr);
2266: $showntablehdr = 1;
2267: }
2268: if ($whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} eq '') {
2269: $whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} =
2270: &Apache::loncommon::plainname($log{$id}{'exe_uname'},$log{$id}{'exe_udom'});
2271: }
2272: if ($changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} eq '') {
2273: $changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} =
2274: &Apache::loncommon::plainname($log{$id}{'uname'},$log{$id}{'udom'});
2275: }
2276: my $symb = $log{$id}{'logentry'}{'symb'};
2277: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2278: my $chgcontext = $log{$id}{'logentry'}{'context'};
2279: if ($chgcontext ne '' && $lt{$chgcontext} ne '') {
2280: $chgcontext = $lt{$chgcontext};
2281: }
2282: my $chgaction = $log{$id}{'logentry'}{'action'};
2283: if ($chgaction ne '' && $lt{$chgaction} ne '') {
2284: $chgaction = $lt{$chgaction};
2285: }
2286: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$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>'.$chgcontext.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
2287: }
2288: if ($showntablehdr) {
2289: $r->print(&Apache::loncommon::end_data_table().'<br />');
2290: if (($curr{'page'} > 1) || ($more_records)) {
2291: $r->print('<table><tr>');
2292: if ($curr{'page'} > 1) {
2293: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
2294: }
2295: if ($more_records) {
2296: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
2297: }
2298: $r->print('</tr></table>');
2299: $r->print(<<"ENDSCRIPT");
2300: <script type="text/javascript">
2301: function chgPage(caller) {
2302: if (caller == 'previous') {
2303: document.$formname.page.value --;
2304: }
2305: if (caller == 'next') {
2306: document.$formname.page.value ++;
2307: }
2308: document.$formname.submit();
2309: return;
2310: }
2311: </script>
2312: ENDSCRIPT
2313: }
2314: } else {
2315: $r->print(&mt('There are no records to display.'));
2316: }
2317: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'.
2318: '<input type="hidden" name="slotname" value="'.$env{'form.slotname'}.'" />'.
2319: '<input type="hidden" name="command" value="slotlog" /></form>'.
2320: '<p><a href="/adm/slotrequest?command=showslots">'.
2321: &mt('Return to slot list').'</a></p>');
2322: return;
2323: }
2324:
2325: sub get_resource_title {
2326: my ($symb,$titles,$maptitles) = @_;
2327: my $title;
2328: if ((ref($titles) eq 'HASH') && (ref($maptitles) eq 'HASH')) {
2329: if (defined($titles->{$symb})) {
2330: $title = $titles->{$symb};
2331: } else {
2332: $title = &Apache::lonnet::gettitle($symb);
2333: my $maptitle;
2334: my ($mapurl) = &Apache::lonnet::decode_symb($symb);
2335: if (defined($maptitles->{$mapurl})) {
2336: $maptitle = $maptitles->{$mapurl};
2337: } else {
2338: if ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) {
2339: $maptitle=&mt('Main Content');
2340: } else {
2341: $maptitle=&Apache::lonnet::gettitle($mapurl);
2342: }
2343: $maptitles->{$mapurl} = $maptitle;
2344: }
2345: if ($maptitle ne '') {
2346: $title .= ' '.&mt('(in [_1])',$maptitle);
2347: }
2348: $titles->{$symb} = $title;
2349: }
2350: } else {
2351: $title = $symb;
2352: }
2353: return $title;
2354: }
2355:
2356: sub reservationlog_contexts {
2357: my ($crstype) = @_;
2358: my %lt = &Apache::lonlocal::texthash (
2359: any => 'Any',
2360: user => 'By student',
2361: manage => 'Via Slot Manager',
2362: parameter => 'Via Parameter Manager',
2363: reserve => 'Made reservation',
2364: release => 'Dropped reservation',
2365: usermanage => 'By student',
2366: );
2367: if ($crstype eq 'Community') {
2368: $lt{'user'} = &mt('By member');
2369: $lt{'usermanage'} = $lt{'user'};
2370: }
2371: return %lt;
2372: }
2373:
2374: sub display_filter {
2375: my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_;
2376: my $nolink = 1;
2377: my (%titles,%maptitles);
2378: my $output = '<br /><table><tr><td valign="top">'.
2379: '<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
2380: &Apache::lonmeta::selectbox('show',$curr->{'show'},undef,
2381: (&mt('all'),5,10,20,50,100,1000,10000)).
2382: '</td><td> </td>';
2383: my $startform =
2384: &Apache::lonhtmlcommon::date_setter($formname,'log_start_date',
2385: $curr->{'log_start_date'},undef,
2386: undef,undef,undef,undef,undef,undef,$nolink);
2387: my $endform =
2388: &Apache::lonhtmlcommon::date_setter($formname,'log_end_date',
2389: $curr->{'log_end_date'},undef,
2390: undef,undef,undef,undef,undef,undef,$nolink);
2391: my $crstype = &Apache::loncommon::course_type();
2392: my %lt = &reservationlog_contexts($crstype);
2393: $output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
2394: '</b><br /><table><tr><td>'.&mt('After:').
2395: '</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
2396: $endform.'</td></tr></table></td><td> </td>';
2397: if (ref($allsymbs) eq 'ARRAY') {
2398: $output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
2399: '<select name="resource"><option value="any"';
2400: if ($curr->{'resource'} eq 'any') {
2401: $output .= ' selected="selected"';
2402: }
2403: $output .= '>'.&mt('Any').'</option>'."\n";
2404: foreach my $symb (@{$allsymbs}) {
2405: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2406: my $selstr = '';
2407: if ($curr->{'resource'} eq $symb) {
2408: $selstr = ' selected="selected"';
2409: }
2410: $output .= ' <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
2411: }
2412: $output .= '</select></td><td> </td><td valign="top"><b>'.
2413: &mt('Context:').'</b><br /><select name="chgcontext">';
2414: foreach my $chgtype ('any','user','manage','parameter') {
2415: my $selstr = '';
2416: if ($curr->{'chgcontext'} eq $chgtype) {
2417: $output .= $selstr = ' selected="selected"';
2418: }
2419: $output .= '<option value="'.$chgtype.'"'.$selstr.'>'.$lt{$chgtype}.'</option>'."\n";
2420: }
2421: $output .= '</select></td>';
2422: } else {
2423: $output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
2424: '<select name="action"><option value="any"';
2425: if ($curr->{'action'} eq 'any') {
2426: $output .= ' selected="selected"';
2427: }
2428: $output .= '>'.&mt('Any').'</option>'."\n";
2429: foreach my $actiontype ('reserve','release') {
2430: my $selstr = '';
2431: if ($curr->{'action'} eq $actiontype) {
2432: $output .= $selstr = ' selected="selected"';
2433: }
2434: $output .= '<option value="'.$actiontype.'"'.$selstr.'>'.$lt{$actiontype}.'</option>'."\n";
2435: }
2436: $output .= '</select></td>';
2437: }
2438: $output .= '<td> </td><td valign="middle"><input type="submit" value="'.
2439: &mt('Update Display').'" /></tr></table>'.
2440: '<p class="LC_info">'.
2441: &mt('Only changes made from servers running LON-CAPA [_1] or later are displayed.'
2442: ,'2.9.0');
2443: if ($version) {
2444: $output .= ' '.&mt('This LON-CAPA server is version [_1]',$version);
2445: }
2446: $output .= '</p><hr /><br />';
2447: return $output;
2448: }
2449:
2450: sub slot_change_messaging {
2451: my ($setting,$subject,$msg,$action) = @_;
2452: my $user = $env{'user.name'};
2453: my $domain = $env{'user.domain'};
2454: my ($message_status,$comment_status);
2455: if ($setting eq 'only_student'
2456: || $setting eq 'student_and_user_notes_screen') {
2457: $message_status =
2458: &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
2459: $message_status = '<li>'.&mt('Sent to you: [_1]',
2460: $message_status).' </li>';
2461: }
2462: if ($setting eq 'student_and_user_notes_screen') {
2463: $comment_status =
2464: &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
2465: $msg,$user,$domain);
2466: $comment_status = '<li>'.&mt('Entry added to course record (viewable by instructor): [_1]',
2467: $comment_status).'</li>';
2468: }
2469: if ($message_status || $comment_status) {
2470: my $msgtitle;
2471: if ($action eq 'reserve') {
2472: $msgtitle = &mt('Status of messages about saved reservation');
2473: } elsif ($action eq 'release') {
2474: $msgtitle = &mt('Status of messages about dropped reservation');
2475: } elsif ($action eq 'nochange') {
2476: $msgtitle = &mt('Status of messages about unchanged existing reservation');
2477: }
2478: return '<span class="LC_info">'.$msgtitle.'</span>'
2479: .'<ul>'
2480: .$message_status
2481: .$comment_status
2482: .'</ul><hr />';
2483: }
2484: }
2485:
2486: sub upload_start {
2487: my ($r)=@_;
2488: $r->print(
2489: &Apache::grades::checkforfile_js()
2490: .'<h2>'.&mt('Upload a file containing the slot definitions').'</h2>'
2491: .'<form method="post" enctype="multipart/form-data"'
2492: .' action="/adm/slotrequest" name="slotupload">'
2493: .'<input type="hidden" name="command" value="csvuploadmap" />'
2494: .&Apache::lonhtmlcommon::start_pick_box()
2495: .&Apache::lonhtmlcommon::row_title(&mt('File'))
2496: .&Apache::loncommon::upfile_select_html()
2497: .&Apache::lonhtmlcommon::row_closure()
2498: .&Apache::lonhtmlcommon::row_title(
2499: '<label for="noFirstLine">'
2500: .&mt('Ignore First Line')
2501: .'</label>')
2502: .'<input type="checkbox" name="noFirstLine" id="noFirstLine" />'
2503: .&Apache::lonhtmlcommon::row_closure(1)
2504: .&Apache::lonhtmlcommon::end_pick_box()
2505: .'<p>'
2506: .'<input type="button" onclick="javascript:checkUpload(this.form);"'
2507: .' value="'.&mt('Next').'" />'
2508: .'</p>'
2509: .'</form>'
2510: );
2511: }
2512:
2513: sub csvuploadmap_header {
2514: my ($r,$datatoken,$distotal)= @_;
2515: my $javascript;
2516: if ($env{'form.upfile_associate'} eq 'reverse') {
2517: $javascript=&csvupload_javascript_reverse_associate();
2518: } else {
2519: $javascript=&csvupload_javascript_forward_associate();
2520: }
2521:
2522: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
2523: my $ignore=&mt('Ignore First Line');
2524: my $buttontext = &mt('Reverse Association');
2525:
2526: $r->print(
2527: '<form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">'
2528: .'<h2>'.&mt('Identify fields in uploaded list').'</h2>'
2529: .'<div class="LC_columnSection">'
2530: .&Apache::loncommon::help_open_topic(
2531: 'Slot About',&mt('Help on slots'))
2532: .' '.&Apache::loncommon::help_open_topic(
2533: 'Slot SelectingField',&mt('Help on selecting Fields'))
2534: ."</div>\n"
2535: .'<p class="LC_info">'
2536: .&mt('Total number of records found in file: [_1]','<b>'.$distotal.'</b>')
2537: ."</p>\n"
2538: );
2539: if ($distotal == 0) {
2540: $r->print('<p class="LC_warning">'.&mt('None found').'</p>');
2541: }
2542: $r->print(
2543: '<p>'
2544: .&mt('Enter as many fields as you can.').'<br />'
2545: .&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 />')
2546: .'</p>'
2547: );
2548: $r->print(
2549: '<div class="LC_left_float">'
2550: .'<fieldset><legend>'.&mt('Functions').'</legend>'
2551: .'<label><input type="checkbox" name="noFirstLine"'.$checked.' />'.$ignore.'</label>'
2552: .' <input type="button" value="'.$buttontext
2553: .'" onclick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />'
2554: .'</fieldset></div><br clear="all" />'
2555: );
2556:
2557: $r->print(<<ENDPICK);
2558: <input type="hidden" name="associate" value="" />
2559: <input type="hidden" name="datatoken" value="$datatoken" />
2560: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
2561: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
2562: <input type="hidden" name="upfile_associate"
2563: value="$env{'form.upfile_associate'}" />
2564: <input type="hidden" name="command" value="csvuploadassign" />
2565: <script type="text/javascript" language="Javascript">
2566: // <![CDATA[
2567: $javascript
2568: // ]]>
2569: </script>
2570: ENDPICK
2571: return '';
2572:
2573: }
2574:
2575: sub csvuploadmap_footer {
2576: my ($request,$i,$keyfields) =@_;
2577: my $buttontext = &mt('Create Slots');
2578: $request->print(<<ENDPICK);
2579: <input type="hidden" name="nfields" value="$i" />
2580: <input type="hidden" name="keyfields" value="$keyfields" />
2581: <input type="button" onclick="javascript:verify(this.form)" value="$buttontext" /><br />
2582: </form>
2583: ENDPICK
2584: }
2585:
2586: sub csvupload_javascript_reverse_associate {
2587: my $error1=&mt('You need to specify the name, start time, end time and a type.');
2588: return(<<ENDPICK);
2589: function verify(vf) {
2590: var foundstart=0;
2591: var foundend=0;
2592: var foundname=0;
2593: var foundtype=0;
2594: for (i=0;i<=vf.nfields.value;i++) {
2595: tw=eval('vf.f'+i+'.selectedIndex');
2596: if (i==0 && tw!=0) { foundname=1; }
2597: if (i==1 && tw!=0) { foundtype=1; }
2598: if (i==2 && tw!=0) { foundstat=1; }
2599: if (i==3 && tw!=0) { foundend=1; }
2600: }
2601: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2602: alert('$error1');
2603: return;
2604: }
2605: vf.submit();
2606: }
2607: function flip(vf,tf) {
2608: }
2609: ENDPICK
2610: }
2611:
2612: sub csvupload_javascript_forward_associate {
2613: my $error1=&mt('You need to specify the name, start time, end time and a type.');
2614: return(<<ENDPICK);
2615: function verify(vf) {
2616: var foundstart=0;
2617: var foundend=0;
2618: var foundname=0;
2619: var foundtype=0;
2620: for (i=0;i<=vf.nfields.value;i++) {
2621: tw=eval('vf.f'+i+'.selectedIndex');
2622: if (tw==1) { foundname=1; }
2623: if (tw==2) { foundtype=1; }
2624: if (tw==3) { foundstat=1; }
2625: if (tw==4) { foundend=1; }
2626: }
2627: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2628: alert('$error1');
2629: return;
2630: }
2631: vf.submit();
2632: }
2633: function flip(vf,tf) {
2634: }
2635: ENDPICK
2636: }
2637:
2638: sub csv_upload_map {
2639: my ($r)= @_;
2640:
2641: my $datatoken;
2642: if (!$env{'form.datatoken'}) {
2643: $datatoken=&Apache::loncommon::upfile_store($r);
2644: } else {
2645: $datatoken=$env{'form.datatoken'};
2646: &Apache::loncommon::load_tmp_file($r);
2647: }
2648: my @records=&Apache::loncommon::upfile_record_sep();
2649: if ($env{'form.noFirstLine'}) { shift(@records); }
2650: &csvuploadmap_header($r,$datatoken,$#records+1);
2651: my ($i,$keyfields);
2652: if (@records) {
2653: my @fields=&csvupload_fields();
2654:
2655: if ($env{'form.upfile_associate'} eq 'reverse') {
2656: &Apache::loncommon::csv_print_samples($r,\@records);
2657: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
2658: \@fields);
2659: foreach (@fields) { $keyfields.=$_->[0].','; }
2660: chop($keyfields);
2661: } else {
2662: unshift(@fields,['none','']);
2663: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
2664: \@fields);
2665: my %sone=&Apache::loncommon::record_sep($records[0]);
2666: $keyfields=join(',',sort(keys(%sone)));
2667: }
2668: }
2669: &csvuploadmap_footer($r,$i,$keyfields);
2670:
2671: return '';
2672: }
2673:
2674: sub csvupload_fields {
2675: return (['name','Slot name'],
2676: ['type','Type of slot'],
2677: ['starttime','Start Time of slot'],
2678: ['endtime','End Time of slot'],
2679: ['startreserve','Reservation Start Time'],
2680: ['endreserve','Reservation End Time'],
2681: ['reservationmsg','Message when reservation changed'],
2682: ['ip','IP or DNS restriction'],
2683: ['proctor','List of proctor ids'],
2684: ['description','Slot Description'],
2685: ['maxspace','Maximum number of reservations'],
2686: ['symb','Resource/Map Restriction'],
2687: ['uniqueperiod','Date range of slot exclusion'],
2688: ['secret','Secret word proctor uses to validate'],
2689: ['allowedsections','Sections slot is restricted to'],
2690: ['allowedusers','Users slot is restricted to'],
2691: );
2692: }
2693:
2694: sub csv_upload_assign {
2695: my ($r,$mgr)= @_;
2696: &Apache::loncommon::load_tmp_file($r);
2697: my @slotdata = &Apache::loncommon::upfile_record_sep();
2698: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
2699: my %fields=&Apache::grades::get_fields();
2700: $r->print('<h3>'.&mt('Creating Slots').'</h3>');
2701: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
2702: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2703: my $countdone=0;
2704: my @errors;
2705: foreach my $slot (@slotdata) {
2706: my %slot;
2707: my %entries=&Apache::loncommon::record_sep($slot);
2708: my $domain;
2709: my $name=$entries{$fields{'name'}};
2710: if ($name=~/^\s*$/) {
2711: push(@errors,"Did not create slot with no name");
2712: next;
2713: }
2714: if ($name=~/\s/) {
2715: push(@errors,"$name not created -- Name must not contain spaces");
2716: next;
2717: }
2718: if ($name=~/\W/) {
2719: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
2720: next;
2721: }
2722: if ($entries{$fields{'type'}}) {
2723: $slot{'type'}=$entries{$fields{'type'}};
2724: } else {
2725: $slot{'type'}='preassigned';
2726: }
2727: if ($slot{'type'} ne 'preassigned' &&
2728: $slot{'type'} ne 'schedulable_student') {
2729: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
2730: next;
2731: }
2732: if ($entries{$fields{'starttime'}}) {
2733: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
2734: }
2735: if ($entries{$fields{'endtime'}}) {
2736: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
2737: }
2738:
2739: # start/endtime must be defined and greater than zero
2740: if (!$slot{'starttime'}) {
2741: push(@errors,"$name not created -- Invalid start time");
2742: next;
2743: }
2744: if (!$slot{'endtime'}) {
2745: push(@errors,"$name not created -- Invalid end time");
2746: next;
2747: }
2748: if ($slot{'starttime'} > $slot{'endtime'}) {
2749: push(@errors,"$name not created -- Slot starts after it ends");
2750: next;
2751: }
2752:
2753: if ($entries{$fields{'startreserve'}}) {
2754: $slot{'startreserve'}=
2755: &UnixDate($entries{$fields{'startreserve'}},"%s");
2756: }
2757: if (defined($slot{'startreserve'})
2758: && $slot{'startreserve'} > $slot{'starttime'}) {
2759: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
2760: next;
2761: }
2762:
2763: if ($entries{$fields{'endreserve'}}) {
2764: $slot{'endreserve'}=
2765: &UnixDate($entries{$fields{'endreserve'}},"%s");
2766: }
2767: if (defined($slot{'endreserve'})
2768: && $slot{'endreserve'} > $slot{'starttime'}) {
2769: push(@errors,"$name not created -- Slot's reservation end time is after the slot's start time.");
2770: next;
2771: }
2772:
2773: if ($slot{'type'} eq 'schedulable_student') {
2774: if ($entries{$fields{'reservationmsg'}}) {
2775: if (($entries{$fields{'reservationmsg'}} eq 'only_student') ||
2776: ($entries{$fields{'reservationmsg'}} eq 'student_and_user_notes_screen')) {
2777: $slot{'reservationmsg'}=$entries{$fields{'reservationmsg'}};
2778: } else {
2779: unless (($entries{$fields{'reservationmsg'}} eq 'none') ||
2780: ($entries{$fields{'reservationmsg'}} eq '')) {
2781: push(@errors,"$name -- Slot's reservationmsg setting ignored - not one of: 'only_student', 'student_and_user_notes_screen', 'none' or ''");
2782: }
2783: }
2784: }
2785: }
2786:
2787: foreach my $key ('ip','proctor','description','maxspace',
2788: 'secret','symb') {
2789: if ($entries{$fields{$key}}) {
2790: $slot{$key}=$entries{$fields{$key}};
2791: }
2792: }
2793: if ($entries{$fields{'allowedusers'}}) {
2794: $entries{$fields{'allowedusers'}} =~ s/^\s+//;
2795: $entries{$fields{'allowedusers'}} =~ s/\s+$//;
2796: my @allowedusers;
2797: foreach my $poss (split(/\s*,\s*/,$entries{$fields{'allowedusers'}})) {
2798: my ($possuname,$possudom) = split(/:/,$poss);
2799: if (($possuname =~ /^$match_username$/) && ($possudom =~ /^$match_domain$/)) {
2800: unless (grep(/^\Q$poss\E$/,@allowedusers)) {
2801: push(@allowedusers,$poss);
2802: }
2803: }
2804: }
2805: if (@allowedusers > 0) {
2806: $slot{'allowedusers'} = join(',',@allowedusers);
2807: }
2808: }
2809: if ($entries{$fields{'allowedsections'}}) {
2810: $entries{$fields{'allowedsections'}} =~ s/^\s+//;
2811: $entries{$fields{'allowedsections'}} =~ s/\s+$//;
2812: my @allowedsections;
2813: foreach my $poss (split(/\s*,\s*/,$entries{$fields{'allowedsections'}})) {
2814: if (($poss !~ /\W/) && ($poss ne 'none')) {
2815: unless (grep(/^\Q$poss\E$/,@allowedsections)) {
2816: push(@allowedsections,$poss);
2817: }
2818: }
2819: }
2820: if (@allowedsections > 0) {
2821: $slot{'allowedsections'} = join(',',@allowedsections);
2822: }
2823: }
2824: if ($entries{$fields{'uniqueperiod'}}) {
2825: my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
2826: my @times=(&UnixDate($start,"%s"),
2827: &UnixDate($end,"%s"));
2828: $slot{'uniqueperiod'}=\@times;
2829: }
2830: if (defined($slot{'uniqueperiod'})
2831: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
2832: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
2833: next;
2834: }
2835:
2836: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
2837: $r->print('.');
2838: $r->rflush();
2839: $countdone++;
2840: }
2841: if ($countdone) {
2842: &Apache::lonnet::devalidate_slots_cache($cname,$cdom);
2843: }
2844: $r->print('<p>'.&mt('Created [quant,_1,slot]',$countdone)."\n".'</p>');
2845: foreach my $error (@errors) {
2846: $r->print('<p><span class="LC_warning">'.$error.'</span></p>'."\n");
2847: }
2848: &show_table($r,$mgr);
2849: return '';
2850: }
2851:
2852: sub slot_command_titles {
2853: my %titles = (
2854: slotlog => 'Reservation Logs',
2855: showslots => 'Manage Slots',
2856: showresv => 'Reservation History',
2857: manageresv => 'Manage Reservations',
2858: uploadstart => 'Upload Slots File',
2859: csvuploadmap => 'Upload Slots File',
2860: csvuploadassign => 'Upload Slots File',
2861: delete => 'Slot Deletion',
2862: release => 'Reservation Result',
2863: remove_reservation => 'Remove Registration',
2864: get_reservation => 'Request Reservation',
2865: );
2866: return %titles;
2867: }
2868:
2869: sub slot_reservationmsg_options {
2870: my %options = &Apache::lonlocal::texthash (
2871: only_student => 'Sent to student',
2872: student_and_user_notes_screen => 'Sent to student and added to user notes',
2873: none => 'None sent and no record in user notes',
2874: );
2875: return %options;
2876: }
2877:
2878: sub handler {
2879: my $r=shift;
2880:
2881: &Apache::loncommon::content_type($r,'text/html');
2882: &Apache::loncommon::no_cache($r);
2883: if ($r->header_only()) {
2884: $r->send_http_header();
2885: return OK;
2886: }
2887:
2888: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
2889:
2890: my %crumb_titles = &slot_command_titles();
2891: my $brcrum;
2892:
2893: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
2894: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
2895: my (%slots,$consumed_uniqueperiods);
2896: if ($env{'form.command'} eq 'showslots') {
2897: if (($vgr ne 'F') && ($mgr ne 'F')) {
2898: $env{'form.command'} = 'manageresv';
2899: }
2900: } elsif ($env{'form.command'} eq 'manageresv') {
2901: if (($vgr eq 'F') || ($mgr eq 'F')) {
2902: $env{'form.command'} = 'showslots';
2903: }
2904: }
2905: my $title='Requesting Another Worktime';
2906: if ($env{'form.command'} eq 'showresv') {
2907: $title = 'Reservation History';
2908: if ($env{'form.origin'} eq 'aboutme') {
2909: $brcrum =[{href=>"/adm/$env{'form.udom'}/$env{'form.uname'}/aboutme",text=>'Personal Information Page'}];
2910: } else {
2911: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>'Manage Reservations'}];
2912: }
2913: if (ref($brcrum) eq 'ARRAY') {
2914: push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title});
2915: }
2916: } elsif (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
2917: if ($env{'form.command'} eq 'manageresv') {
2918: $title = 'Manage Reservations';
2919: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
2920: }
2921: my ($cnum,$cdom)=&get_course();
2922: %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
2923: $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
2924: } elsif ($vgr eq 'F') {
2925: if ($env{'form.command'} =~ /^(slotlog|showslots|uploadstart|csvuploadmap|csvuploadassign|delete|release|remove_registration)$/) {
2926: $brcrum =[{href=>"/adm/slotrequest?command=showslots",
2927: text=>$crumb_titles{'showslots'}}];
2928: $title = 'Managing Slots';
2929: unless ($env{'form.command'} eq 'showslots') {
2930: if (ref($brcrum) eq 'ARRAY') {
2931: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2932: }
2933: }
2934: }
2935: } elsif ($env{'form.command'} eq 'release') {
2936: if ($env{'form.context'} eq 'usermanage') {
2937: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",
2938: text=>$crumb_titles{'showslots'}}];
2939: $title = 'Manage Reservations';
2940: if (ref($brcrum) eq 'ARRAY') {
2941: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2942: }
2943: }
2944: } else {
2945: $brcrum =[];
2946: }
2947: my ($symb,$js,$available,$allavailable,$got_slots);
2948: $available = [];
2949: if ($env{'form.requestattempt'}) {
2950: $symb=&unescape($env{'form.symb'});
2951: @{$got_slots}=&check_for_reservation($symb,'allslots');
2952: }
2953: if (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
2954: $js = &reservation_js(\%slots,$consumed_uniqueperiods,$available,$got_slots,$symb);
2955: }
2956: &start_page($r,$title,$brcrum,$js);
2957:
2958: if ($env{'form.command'} eq 'manageresv') {
2959: $allavailable = $available;
2960: undef($available);
2961: undef($got_slots);
2962: my $crstype = &Apache::loncommon::course_type();
2963: &manage_reservations($r,$crstype,\%slots,$consumed_uniqueperiods,$allavailable);
2964: } elsif ($env{'form.command'} eq 'showresv') {
2965: &show_reservations($r,$env{'form.uname'},$env{'form.udom'});
2966: } elsif ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
2967: &show_table($r,$mgr);
2968: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
2969: &remove_registration($r);
2970: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
2971: if ($env{'form.entry'} eq 'remove all') {
2972: &release_all_slot($r,$mgr);
2973: } else {
2974: &release_slot($r,undef,undef,undef,$mgr);
2975: }
2976: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
2977: &delete_slot($r);
2978: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
2979: &upload_start($r);
2980: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
2981: &csv_upload_map($r);
2982: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
2983: if ($env{'form.associate'} ne 'Reverse Association') {
2984: &csv_upload_assign($r,$mgr);
2985: } else {
2986: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
2987: $env{'form.upfile_associate'} = 'reverse';
2988: } else {
2989: $env{'form.upfile_associate'} = 'forward';
2990: }
2991: &csv_upload_map($r);
2992: }
2993: } elsif ($env{'form.command'} eq 'slotlog' && $mgr eq 'F') {
2994: &show_reservations_log($r);
2995: } else {
2996: my $symb=&unescape($env{'form.symb'});
2997: if (!defined($symb)) {
2998: &fail($r,'not_valid');
2999: return OK;
3000: }
3001: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
3002: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
3003: if ($useslots ne 'resource'
3004: && $useslots ne 'map'
3005: && $useslots ne 'map_map') {
3006: &fail($r,'not_available');
3007: return OK;
3008: }
3009: $env{'request.symb'}=$symb;
3010: my $type = ($res =~ /\.task$/) ? 'Task'
3011: : 'problem';
3012: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
3013: if ($status eq 'CAN_ANSWER' ||
3014: $status eq 'NEEDS_CHECKIN' ||
3015: $status eq 'WAITING_FOR_GRADE') {
3016: &fail($r,'not_allowed');
3017: return OK;
3018: }
3019: if ($env{'form.requestattempt'}) {
3020: $r->print('<div class="LC_left_float">');
3021: &show_choices($r,$symb,undef,undef,\%slots,$consumed_uniqueperiods,$available,$got_slots);
3022: $r->print('</div><div style="padding:0;clear:both;margin:0;border:0"></div>');
3023: } elsif ($env{'form.command'} eq 'release') {
3024: &release_slot($r,$symb);
3025: } elsif ($env{'form.command'} eq 'get') {
3026: &get_slot($r,$symb);
3027: } elsif ($env{'form.command'} eq 'change') {
3028: if ($env{'form.nochange'}) {
3029: my $slot_name = $env{'form.releaseslot'};
3030: my @slots = &check_for_reservation($symb,'allslots');
3031: my $msg;
3032: if (($slot_name ne '') && (grep(/^\Q$slot_name\E/,@slots))) {
3033: my %slot=&Apache::lonnet::get_slot($env{'form.releaseslot'});
3034: my $description=&get_description($slot_name,\%slot);
3035: $msg = '<span style="font-weight: bold;">'.
3036: &mt('Unchanged reservation: [_1]',$description).'</span><br /><br />';
3037: my $person =
3038: &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
3039: my $subject = &mt('Reservation unchanged: [_1]',$description);
3040: my $msgbody = &mt('No change to existing registration by [_1] for [_2].',$person,$description);
3041: $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'nochange');
3042: } else {
3043: $msg = '<span class="LC_warning">'.&mt('Reservation no longer reported as available.').'</span>';
3044: }
3045: $r->print($msg);
3046: &return_link($r);
3047: } elsif (&get_slot($r,$symb,$env{'form.releaseslot'},1)) {
3048: &release_slot($r,$symb,$env{'form.releaseslot'});
3049: }
3050: } else {
3051: $r->print('<p>'.&mt('Unknown command: [_1]',$env{'form.command'}).'</p>');
3052: }
3053: }
3054: &end_page($r);
3055: return OK;
3056: }
3057:
3058: 1;
3059: __END__
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