1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.125.2.6 2018/09/14 21:06:22 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 starth = form.start_hour.options[form.start_hour.selectedIndex].value;
166: if (numberRegExp.test(starth)) {
167: starth = parseInt(starth);
168: if (starth > 0 && starth <= 23) {
169: starttime += 3600 * starth;
170: }
171: }
172: var enddate = endm+"/"+endd+"/"+endy;
173: var endtime = new Date(enddate).getTime();
174: endtime = endtime/1000;
175: var endh = form.end_hour.options[form.end_hour.selectedIndex].value;
176: if (numberRegExp.test(endh)) {
177: endh = parseInt(endh);
178: if (endh > 0 && endh <= 23) {
179: endtime += 3600 * endh;
180: }
181: }
182:
183: var shown = 0;
184: for (var i=0; i<$i; i++) {
185: if ((slotstart[i] >= starttime) && (slotend[i] <= endtime)) {
186: if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
187: document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = '';
188: shown ++;
189: }
190: } else {
191: if (document.getElementById('LC_slotrow_'+num+'_'+slotname[i])) {
192: document.getElementById('LC_slotrow_'+num+'_'+slotname[i]).style.display = 'none';
193: }
194: }
195: }
196: if (document.getElementById('LC_slotsearch_'+num)) {
197: if (shown) {
198: document.getElementById('LC_slotsearch_'+num).style.display = 'block';
199: } else {
200: document.getElementById('LC_slotsearch_'+num).style.display = 'none';
201: }
202: }
203: if (shown == 0) {
204: alert('$alerts{"none"}');
205: }
206: } else {
207: alert('$alerts{"invalid"}');
208: }
209: }
210: }
211: return;
212: }
213:
214: function toggleSlotDisplay(form,num) {
215: if (form.slotpick.length) {
216: for (var i=0; i<form.slotpick.length; i++) {
217: if (form.slotpick[i].checked) {
218: var val = form.slotpick[i].value;
219: if (document.getElementById('LC_slotfilter_'+num)) {
220: document.getElementById('LC_slotsearch_'+num).style.display = 'none';
221: if (val == 'filter') {
222: document.getElementById('LC_slotfilter_'+num).style.display = 'block';
223: } else {
224: document.getElementById('LC_slotfilter_'+num).style.display = 'none';
225: if (val == 'all') {
226: updateSlotDisplay(form,num,val);
227: } else {
228: updateSlotDisplay(form,num,val);
229: }
230: }
231: }
232: break;
233: }
234: }
235: }
236: return false;
237: }
238:
239: if (!document.getElementsByClassName) {
240: function getElementsByClassName(node, classname) {
241: var a = [];
242: var re = new RegExp('(^| )'+classname+'( |$)');
243: var els = node.getElementsByTagName("*");
244: for(var i=0,j=els.length; i<j; i++)
245: if(re.test(els[i].className))a.push(els[i]);
246: return a;
247: }
248: }
249:
250: function uncheckSlotRadio() {
251: var slotpicks;
252: if (document.getElementsByClassName) {
253: slotpicks = document.getElementsByClassName('LC_slotpick_radio');
254: } else {
255: slotpicks = getElementsByClassName(document.body,'LC_slotpick_radio');
256: }
257: if (slotpicks.length) {
258: for (var i=0; i<slotpicks.length; i++) {
259: slotpicks[i].checked = false;
260: }
261: }
262: }
263: // ]]>
264: </script>
265: ENDSCRIPT
266:
267: }
268:
269:
270: =pod
271:
272: slot_reservations db
273: - keys are
274: - slotname\0id -> value is an hashref of
275: name -> user@domain of holder
276: timestamp -> timestamp of reservation
277: symb -> symb of resource that it is reserved for
278:
279: =cut
280:
281: sub get_course {
282: (undef,my $courseid)=&Apache::lonnet::whichuser();
283: my $cdom=$env{'course.'.$courseid.'.domain'};
284: my $cnum=$env{'course.'.$courseid.'.num'};
285: return ($cnum,$cdom);
286: }
287:
288: sub get_reservation_ids {
289: my ($slot_name)=@_;
290:
291: my ($cnum,$cdom)=&get_course();
292:
293: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
294: "^$slot_name\0");
295: if (&Apache::lonnet::error(%consumed)) {
296: return 'error: Unable to determine current status';
297: }
298: my ($tmp)=%consumed;
299: if ($tmp=~/^error: 2 / ) {
300: return 0;
301: }
302: return keys(%consumed);
303: }
304:
305: sub space_available {
306: my ($slot_name,$slot)=@_;
307: my $max=$slot->{'maxspace'};
308:
309: if (!defined($max)) { return 1; }
310:
311: my $consumed=scalar(&get_reservation_ids($slot_name));
312: if ($consumed < $max) {
313: return 1
314: }
315: return 0;
316: }
317:
318: sub check_for_reservation {
319: my ($symb,$mode)=@_;
320: my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
321: $env{'user.domain'}, $env{'user.name'});
322: my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
323: $env{'user.domain'}, $env{'user.name'});
324: my @slots = (split(/:/,$student), split(/:/, $course));
325:
326: &Apache::lonxml::debug(" slot list is ".join(':',@slots));
327:
328: my ($cnum,$cdom)=&get_course();
329: my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
330:
331: if (&Apache::lonnet::error($student)
332: || &Apache::lonnet::error($course)
333: || &Apache::lonnet::error(%slots)) {
334: return 'error: Unable to determine current status';
335: }
336: my @got;
337: my @sorted_slots = &Apache::loncommon::sorted_slots(\@slots,\%slots,'starttime');
338: foreach my $slot_name (@sorted_slots) {
339: next if (!defined($slots{$slot_name}) ||
340: !ref($slots{$slot_name}));
341: &Apache::lonxml::debug(time." $slot_name ".
342: $slots{$slot_name}->{'starttime'}." -- ".
343: $slots{$slot_name}->{'startreserve'}." -- ".
344: $slots{$slot_name}->{'endreserve'});
345: if (($slots{$slot_name}->{'endtime'} > time) &&
346: ($slots{$slot_name}->{'startreserve'} < time) &&
347: ((!$slots{$slot_name}->{'endreserve'}) ||
348: ($slots{$slot_name}->{'endreserve'} > time))) {
349: # between start of reservation time and end of reservation time
350: # and before end of slot
351: if ($mode eq 'allslots') {
352: push(@got,$slot_name);
353: } else {
354: return($slot_name, $slots{$slot_name});
355: }
356: }
357: }
358: if ($mode eq 'allslots' && @got) {
359: return @got;
360: }
361: return (undef,undef);
362: }
363:
364: sub get_consumed_uniqueperiods {
365: my ($slots) = @_;
366: my $navmap=Apache::lonnavmaps::navmap->new;
367: if (!defined($navmap)) {
368: return 'error: Unable to determine current status';
369: }
370: my @problems = $navmap->retrieveResources(undef,
371: sub { $_[0]->is_problem() },1,0);
372: my %used_slots;
373: foreach my $problem (@problems) {
374: my $symb = $problem->symb();
375: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
376: $symb, $env{'user.domain'},
377: $env{'user.name'});
378: my $course = &Apache::lonnet::EXT("resource.0.available",
379: $symb, $env{'user.domain'},
380: $env{'user.name'});
381: if (&Apache::lonnet::error($student)
382: || &Apache::lonnet::error($course)) {
383: return 'error: Unable to determine current status';
384: }
385: foreach my $slot (split(/:/,$student), split(/:/, $course)) {
386: $used_slots{$slot}=1;
387: }
388: }
389:
390: if (!ref($slots)) {
391: my ($cnum,$cdom)=&get_course();
392: my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
393: if (&Apache::lonnet::error(%slots)) {
394: return 'error: Unable to determine current status';
395: }
396: $slots = \%slots;
397: }
398:
399: my %consumed_uniqueperiods;
400: foreach my $slot_name (keys(%used_slots)) {
401: next if (!defined($slots->{$slot_name}) ||
402: !ref($slots->{$slot_name}));
403:
404: next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
405: !ref($slots->{$slot_name}{'uniqueperiod'}));
406: $consumed_uniqueperiods{$slot_name} =
407: $slots->{$slot_name}{'uniqueperiod'};
408: }
409: return \%consumed_uniqueperiods;
410: }
411:
412: sub check_for_conflict {
413: my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
414:
415: if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
416:
417: if (!ref($consumed_uniqueperiods)) {
418: if ($consumed_uniqueperiods =~ /^error: /) {
419: return $consumed_uniqueperiods;
420: } else {
421: $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
422: if (ref($consumed_uniqueperiods) eq 'HASH') {
423: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
424: return 'error: Unable to determine current status';
425: }
426: } else {
427: return 'error: Unable to determine current status';
428: }
429: }
430: }
431: my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
432: foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
433: my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
434: if (!
435: ($start < $new_uniq_start && $end < $new_uniq_start) ||
436: ($start > $new_uniq_end && $end > $new_uniq_end )) {
437: return $slot_name;
438: }
439: }
440: return undef;
441: }
442:
443: sub make_reservation {
444: my ($slot_name,$slot,$symb,$cnum,$cdom)=@_;
445:
446: my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
447: $env{'user.domain'},$env{'user.name'});
448: &Apache::lonxml::debug("value is $value<br />");
449:
450: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",$symb,
451: $env{'user.domain'},$env{'user.name'});
452: &Apache::lonxml::debug("use_slots is $use_slots<br />");
453:
454: if (&Apache::lonnet::error($value)
455: || &Apache::lonnet::error($use_slots)) {
456: return 'error: Unable to determine current status';
457: }
458:
459: my $parm_symb = $symb;
460: my $parm_level = 1;
461: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
462: my ($map) = &Apache::lonnet::decode_symb($symb);
463: $parm_symb = &Apache::lonnet::symbread($map);
464: $parm_level = 2;
465: }
466:
467: foreach my $other_slot (split(/:/, $value)) {
468: if ($other_slot eq $slot_name) {
469: my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
470: $cnum, "^$slot_name\0");
471: if (&Apache::lonnet::error($value)) {
472: return 'error: Unable to determine current status';
473: }
474: my $me=$env{'user.name'}.':'.$env{'user.domain'};
475: foreach my $key (keys(%consumed)) {
476: if ($consumed{$key}->{'name'} eq $me) {
477: my $num=(split('\0',$key))[1];
478: return -$num;
479: }
480: }
481: }
482: }
483:
484: my $max=$slot->{'maxspace'};
485: if (!defined($max)) { $max=99999; }
486:
487: my (@ids)=&get_reservation_ids($slot_name);
488: if (&Apache::lonnet::error(@ids)) {
489: return 'error: Unable to determine current status';
490: }
491: my $last=0;
492: foreach my $id (@ids) {
493: my $num=(split('\0',$id))[1];
494: if ($num > $last) { $last=$num; }
495: }
496:
497: my $wanted=$last+1;
498: &Apache::lonxml::debug("wanted $wanted<br />");
499: if (scalar(@ids) >= $max) {
500: # full up
501: return undef;
502: }
503:
504: my %reservation=('name' => $env{'user.name'}.':'.$env{'user.domain'},
505: 'timestamp' => time,
506: 'symb' => $parm_symb);
507:
508: my $success=&Apache::lonnet::newput('slot_reservations',
509: {"$slot_name\0$wanted" =>
510: \%reservation},
511: $cdom, $cnum);
512:
513: if ($success eq 'ok') {
514: my $new_value=$slot_name;
515: if ($value) {
516: $new_value=$value.':'.$new_value;
517: }
518: &store_slot_parm($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom);
519: return $wanted;
520: }
521:
522: # someone else got it
523: return undef;
524: }
525:
526: sub store_slot_parm {
527: my ($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom) = @_;
528: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
529: '0_availablestudent',
530: $parm_level, $new_value,
531: 'string',
532: $env{'user.name'},
533: $env{'user.domain'});
534: &Apache::lonxml::debug("hrrm $result");
535: my %storehash = (
536: symb => $symb,
537: slot => $slot_name,
538: action => 'reserve',
539: context => $env{'form.context'},
540: );
541:
542: &Apache::lonnet::write_log('course','slotreservationslog',\%storehash,
543: '',$env{'user.name'},$env{'user.domain'},
544: $cnum,$cdom);
545: &Apache::lonnet::write_log('course',$cdom.'_'.$cnum.'_slotlog',\%storehash,
546: 1,$env{'user.name'},$env{'user.domain'},
547: $env{'user.name'},$env{'user.domain'});
548:
549: return;
550: }
551:
552: sub remove_registration {
553: my ($r) = @_;
554: if ($env{'form.entry'} ne 'remove all') {
555: return &remove_registration_user($r);
556: }
557: my $slot_name = $env{'form.slotname'};
558: my %slot=&Apache::lonnet::get_slot($slot_name);
559:
560: my ($cnum,$cdom)=&get_course();
561: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
562: "^$slot_name\0");
563: if (&Apache::lonnet::error(%consumed)) {
564: $r->print("<p><span class=\"LC_error\">".&mt('A network error has occurred.').'</span></p>');
565: return;
566: }
567: if (!%consumed) {
568: $r->print('<p>'.&mt('Slot [_1] has no reservations.',
569: '<tt>'.$slot_name.'</tt>').'</p>');
570: return;
571: }
572:
573: my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
574: my $names = join(' ',@names);
575:
576: my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
577: &remove_registration_confirmation($r,$msg,['entry','slotname','context']);
578: }
579:
580: sub remove_registration_user {
581: my ($r) = @_;
582:
583: my $slot_name = $env{'form.slotname'};
584:
585: my $name = &Apache::loncommon::plainname($env{'form.uname'},
586: $env{'form.udom'});
587:
588: my $title = &Apache::lonnet::gettitle($env{'form.symb'});
589:
590: my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
591: $name,$slot_name,$title);
592:
593: &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
594: 'entry','symb','context']);
595: }
596:
597: sub remove_registration_confirmation {
598: my ($r,$msg,$inputs) =@_;
599:
600: my $hidden_input;
601: foreach my $parm (@{$inputs}) {
602: $hidden_input .=
603: '<input type="hidden" name="'.$parm.'" value="'
604: .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
605: }
606: my %lt = &Apache::lonlocal::texthash(
607: 'yes' => 'Yes',
608: 'no' => 'No',
609: );
610: $r->print(<<"END_CONFIRM");
611: <p> $msg </p>
612: <form action="/adm/slotrequest" method="post">
613: <input type="hidden" name="command" value="release" />
614: <input type="hidden" name="button" value="yes" />
615: $hidden_input
616: <input type="submit" value="$lt{'yes'}" />
617: </form>
618: <form action="/adm/slotrequest" method="post">
619: <input type="hidden" name="command" value="showslots" />
620: <input type="submit" value="$lt{'no'}" />
621: </form>
622: END_CONFIRM
623:
624: }
625:
626: sub release_all_slot {
627: my ($r,$mgr)=@_;
628:
629: my $slot_name = $env{'form.slotname'};
630:
631: my ($cnum,$cdom)=&get_course();
632:
633: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
634: "^$slot_name\0");
635:
636: $r->print('<p>'.&mt('Releasing reservations').'</p>');
637:
638: foreach my $entry (sort { $consumed{$a}{'name'} cmp
639: $consumed{$b}{'name'} } (keys(%consumed))) {
640: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
641: my ($result,$msg) =
642: &release_reservation($slot_name,$uname,$udom,
643: $consumed{$entry}{'symb'},$mgr);
644: if (!$result) {
645: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
646: } else {
647: $r->print("<p>$msg</p>");
648: }
649: $r->rflush();
650: }
651: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
652: &mt('Return to slot list').'</a></p>');
653: &return_link($r);
654: }
655:
656: sub release_slot {
657: my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
658:
659: if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
660:
661: my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
662: if ($mgr eq 'F'
663: && defined($env{'form.uname'}) && defined($env{'form.udom'})) {
664: ($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
665: }
666:
667: if ($mgr eq 'F'
668: && defined($env{'form.symb'})) {
669: $symb = &unescape($env{'form.symb'});
670: }
671:
672: my ($result,$msg) =
673: &release_reservation($slot_name,$uname,$udom,$symb,$mgr);
674: if (!$result) {
675: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
676: } else {
677: $r->print("<p>$msg</p>");
678: }
679:
680: if ($mgr eq 'F') {
681: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
682: &mt('Return to slot list').'</a></p>');
683: }
684:
685: if (!$inhibit_return_link) { &return_link($r); }
686: return $result;
687: }
688:
689: sub release_reservation {
690: my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
691: my %slot=&Apache::lonnet::get_slot($slot_name);
692: my $description=&get_description($slot_name,\%slot);
693:
694: if ($mgr ne 'F') {
695: if ($slot{'starttime'} < time) {
696: return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description));
697: }
698: }
699:
700: # if the reservation symb is for a map get a resource in that map
701: # to check slot parameters on
702: my $navmap=Apache::lonnavmaps::navmap->new;
703: if (!defined($navmap)) {
704: return (0,'error: Unable to determine current status');
705: }
706: my $passed_resource = $navmap->getBySymb($symb);
707: if (ref($passed_resource)) {
708: if ($passed_resource->is_map()) {
709: my ($a_resource) =
710: $navmap->retrieveResources($passed_resource,
711: sub {$_[0]->is_problem()},0,1);
712: $symb = $a_resource->symb();
713: }
714: } else {
715: unless ($mgr eq 'F') {
716: return (0,'error: Unable to determine current status');
717: }
718: }
719:
720: # get parameter string, check for existence, rebuild string with the slot
721: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
722: $symb,$udom,$uname);
723: my @slots = split(/:/,$student);
724:
725: my @new_slots;
726: foreach my $exist_slot (@slots) {
727: if ($exist_slot eq $slot_name) { next; }
728: push(@new_slots,$exist_slot);
729: }
730: my $new_param = join(':',@new_slots);
731:
732: my ($cnum,$cdom)=&get_course();
733:
734: # get slot reservations, check if user has one, if so remove reservation
735: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
736: "^$slot_name\0");
737: foreach my $entry (keys(%consumed)) {
738: if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
739: &Apache::lonnet::del('slot_reservations',[$entry],
740: $cdom,$cnum);
741: my %storehash = (
742: symb => $symb,
743: slot => $slot_name,
744: action => 'release',
745: context => $env{'form.context'},
746: );
747: &Apache::lonnet::write_log('course','slotreservationslog',
748: \%storehash,1,$uname,$udom,$cnum,$cdom);
749: &Apache::lonnet::write_log('course',$cdom.'_'.$cnum.'_slotlog',
750: \%storehash,1,$uname,$udom,$uname,$udom);
751: }
752: }
753:
754: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",
755: $symb,$udom,$uname);
756: &Apache::lonxml::debug("use_slots is $use_slots<br />");
757:
758: if (&Apache::lonnet::error($use_slots)) {
759: return (0,'error: Unable to determine current status');
760: }
761:
762: my $parm_level = 1;
763: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
764: $parm_level = 2;
765: }
766: # store new parameter string
767: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
768: '0_availablestudent',
769: $parm_level, $new_param,
770: 'string', $uname, $udom);
771: my $msg;
772: if ($mgr eq 'F') {
773: $msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
774: } else {
775: $msg = '<span style="font-weight: bold;">'.&mt('Released reservation: [_1]',$description).'</span><br /><br />';
776: my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
777: my $subject = &mt('Reservation change: [_1]',$description);
778: my $msgbody = &mt('Reservation released by [_1] for [_2].',$person,$description);
779: $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'release');
780: }
781: return (1,$msg);
782: }
783:
784: sub delete_slot {
785: my ($r)=@_;
786:
787: my $slot_name = $env{'form.slotname'};
788: my %slot=&Apache::lonnet::get_slot($slot_name);
789:
790: my ($cnum,$cdom)=&get_course();
791: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
792: "^$slot_name\0");
793: my ($tmp) = %consumed;
794: if ($tmp =~ /error: 2/) { undef(%consumed); }
795:
796: if (%slot && !%consumed) {
797: $slot{'type'} = 'deleted';
798: my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
799: $cdom, $cnum);
800: if ($ret eq 'ok') {
801: $r->print('<p>'.&mt('Slot [_1] marked as deleted.','<tt>'.$slot_name.'</tt>').'</p>');
802: } else {
803: $r->print('<p><span class="LC_error">'.&mt('An error occurred when attempting to delete slot: [_1]','<tt>'.$slot_name.'</tt>')." ($ret)</span></p>");
804: }
805: } else {
806: if (%consumed) {
807: $r->print('<p>'.&mt('Slot [_1] has active reservations.','<tt>'.$slot_name.'</tt>').'</p>');
808: } else {
809: $r->print('<p>'.&mt('Slot [_1] does not exist.','<tt>'.$slot_name.'</tt>').'</p>');
810: }
811: }
812: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
813: &mt('Return to slot list').'</a></p>');
814: &return_link($r);
815: }
816:
817: sub return_link {
818: my ($r) = @_;
819: if (($env{'form.command'} eq 'manageresv') || ($env{'form.context'} eq 'usermanage')) {
820: $r->print('<p><a href="/adm/slotrequest?command=manageresv">'.
821: &mt('Return to reservations'));
822: } else {
823: $r->print('<p><a href="/adm/flip?postdata=return:">'.
824: &mt('Return to last resource').'</a></p>');
825: }
826: }
827:
828: sub get_slot {
829: my ($r,$symb,$conflictable_slot,$inhibit_return_link)=@_;
830:
831: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
832: my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
833:
834: if ($slot_name =~ /^error: (.*)/) {
835: $r->print('<p><span class="LC_error">'
836: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
837: .'</span></p>');
838: &return_link($r);
839: return 0;
840: }
841: if ($slot_name && $slot_name ne $conflictable_slot) {
842: my %slot=&Apache::lonnet::get_slot($slot_name);
843: my $description1=&get_description($slot_name,\%slot);
844: my $slottype1=$slot{'type'};
845: %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
846: my $description2=&get_description($env{'form.slotname'},\%slot);
847: if ($slottype1 eq 'preassigned') {
848: $r->print('<p>'.&mt('You already have a reservation: "[_1]", assigned by your instructor.',
849: $description1).'</p>'.
850: '<p>'.&mt('Your instructor must unassign it before you can make a new reservation.').
851: '</p>');
852: } elsif ($slot_name ne $env{'form.slotname'}) {
853: $r->print(<<STUFF);
854: <form method="post" action="/adm/slotrequest">
855: <input type="hidden" name="symb" value="$env{'form.symb'}" />
856: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
857: <input type="hidden" name="releaseslot" value="$slot_name" />
858: <input type="hidden" name="command" value="change" />
859: STUFF
860: $r->print('<p class="LC_error">'.&mt('Reservation currently unchanged').'</p>');
861: if ($slot_name ne '') {
862: $r->print('<p>'.&mt('To complete the transaction you [_1]must confirm[_2] you want to [_3]process the change[_4] to [_5].'
863: ,'<b>','</b>','<i>','</i>','<b>'.$description2.'</b>')
864: .'<br />'
865: .&mt('Or you can choose to [_1]make no change[_2] and continue[_2] with the reservation you already had: [_3].'
866: ,'<i>','</i>','<b>'.$description1.'</b>')
867: .'</p><p><span class="LC_nobreak">'
868: .'<input type="submit" name="change" value="'.&mt('Process the change').'" />'
869: .(' 'x3)
870: .'<input type="submit" name="nochange" value="'.&mt('Make no change').'" />'
871: .'</span></p>');
872: }
873: $r->print(<<STUFF);
874: </form>
875: STUFF
876: } else {
877: $r->print('<p>'.&mt('Already have a reservation: [_1].',$description1).'</p>');
878: &return_link($r);
879: }
880: return 0;
881: }
882:
883: my ($cnum,$cdom)=&get_course();
884: my $reserved=&make_reservation($env{'form.slotname'},
885: \%slot,$symb,$cnum,$cdom);
886: my $description=&get_description($env{'form.slotname'},\%slot);
887: if (defined($reserved)) {
888: my $retvalue = 0;
889: if ($slot_name =~ /^error: (.*)/) {
890: $r->print('<p><span class="LC_error">'
891: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
892: .'</span></p>');
893: } elsif ($reserved > -1) {
894: $r->print('<p style="font-weight: bold;">'.&mt('Successfully signed up: [_1]',$description).'</p>');
895: $retvalue = 1;
896: my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
897: my $subject = &mt('Reservation change: [_1]',$description);
898: my $msgbody = &mt('Successful reservation by [_1] for [_2].',$person,$description);
899: my $msg = &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'reserve');
900: if ($msg) {
901: $r->print($msg);
902: }
903: } elsif ($reserved < 0) {
904: $r->print('<p>'.&mt('Already reserved: [_1]',$description).'</p>');
905: }
906: if (!$inhibit_return_link) { &return_link($r); }
907: return 1;
908: }
909:
910: my %lt = &Apache::lonlocal::texthash(
911: 'request' => 'Availability list',
912: 'try' => 'Try again?',
913: 'or' => 'or',
914: );
915:
916: my $extra_input;
917: if ($conflictable_slot) {
918: $extra_input='<input type="hidden" name="releaseslot" value="'.$env{'form.slotname'}.'" />';
919: }
920:
921: $r->print('<p>'.&mt('[_1]Failed[_2] to reserve a slot for [_3].','<span class="LC_warning">','</span>',$description).'</p>');
922: $r->print(<<STUFF);
923: <p>
924: <form method="post" action="/adm/slotrequest">
925: <input type="submit" name="Try Again" value="$lt{'try'}" />
926: <input type="hidden" name="symb" value="$env{'form.symb'}" />
927: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
928: <input type="hidden" name="command" value="$env{'form.command'}" />
929: $extra_input
930: </form>
931: </p>
932: <p>
933: $lt{'or'}
934: <form method="post" action="/adm/slotrequest">
935: <input type="hidden" name="symb" value="$env{'form.symb'}" />
936: <input type="submit" name="requestattempt" value="$lt{'request'}" />
937: </form>
938: STUFF
939:
940: if (!$inhibit_return_link) {
941: $r->print(&mt('or').'</p>');
942: &return_link($r);
943: } else {
944: $r->print('</p>');
945: }
946: return 0;
947: }
948:
949: sub allowed_slot {
950: my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods,$toskip)=@_;
951:
952: #already started
953: if ($slot->{'starttime'} < time) {
954: return 0;
955: }
956: &Apache::lonxml::debug("$slot_name starttime good");
957:
958: #already ended
959: if ($slot->{'endtime'} < time) {
960: return 0;
961: }
962: &Apache::lonxml::debug("$slot_name endtime good");
963:
964: # not allowed to pick this one
965: if (defined($slot->{'type'})
966: && $slot->{'type'} ne 'schedulable_student') {
967: return 0;
968: }
969: &Apache::lonxml::debug("$slot_name type good");
970:
971: # reserve time not yet started
972: if ($slot->{'startreserve'} > time) {
973: return 0;
974: }
975: # reserve time ended
976: if (($slot->{'endreserve'}) &&
977: ($slot->{'endreserve'} < time)) {
978: return 0;
979: }
980: &Apache::lonxml::debug("$slot_name reserve good");
981:
982: my $userallowed=0;
983: # its for a different set of users
984: if (defined($slot->{'allowedsections'})) {
985: if (!defined($env{'request.role.sec'})
986: && grep(/^No section assigned$/,
987: split(',',$slot->{'allowedsections'}))) {
988: $userallowed=1;
989: }
990: if (defined($env{'request.role.sec'})
991: && grep(/^\Q$env{'request.role.sec'}\E$/,
992: split(',',$slot->{'allowedsections'}))) {
993: $userallowed=1;
994: }
995: if (defined($env{'request.course.groups'})) {
996: my @groups = split(/:/,$env{'request.course.groups'});
997: my @allowed_sec = split(',',$slot->{'allowedsections'});
998: foreach my $group (@groups) {
999: if (grep {$_ eq $group} (@allowed_sec)) {
1000: $userallowed=1;
1001: last;
1002: }
1003: }
1004: }
1005: }
1006: &Apache::lonxml::debug("$slot_name sections is $userallowed");
1007:
1008: # its for a different set of users
1009: if (defined($slot->{'allowedusers'})
1010: && grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
1011: split(',',$slot->{'allowedusers'}))) {
1012: $userallowed=1;
1013: }
1014:
1015: if (!defined($slot->{'allowedusers'})
1016: && !defined($slot->{'allowedsections'})) {
1017: $userallowed=1;
1018: }
1019:
1020: &Apache::lonxml::debug("$slot_name user is $userallowed");
1021: return 0 if (!$userallowed);
1022:
1023: # not allowed for this resource
1024: if (defined($slot->{'symb'})
1025: && $slot->{'symb'} ne $symb) {
1026: unless ((ref($toskip) eq 'HASH') && ($toskip->{'symb'})) {
1027: return 0;
1028: }
1029: }
1030:
1031: my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
1032: $consumed_uniqueperiods);
1033: if ($conflict =~ /^error: /) {
1034: return 0;
1035: } elsif ($conflict ne '') {
1036: if ($slots->{$conflict}{'starttime'} < time) {
1037: return 0;
1038: }
1039: }
1040: &Apache::lonxml::debug("$slot_name symb good");
1041: return 1;
1042: }
1043:
1044: sub get_description {
1045: my ($slot_name,$slot)=@_;
1046: my $description=$slot->{'description'};
1047: if (!defined($description)) {
1048: $description=&mt('[_1] From [_2] to [_3]',$slot_name,
1049: &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
1050: &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
1051: }
1052: return $description;
1053: }
1054:
1055: sub show_choices {
1056: my ($r,$symb,$formname,$num,$slots,$consumed_uniqueperiods,$available,$got_slots)=@_;
1057: my $output;
1058: &Apache::lonxml::debug("Checking Slots");
1059: if (!ref($available) eq 'ARRAY') {
1060: return;
1061: }
1062: if (!@{$available}) {
1063: $output = '<span class="LC_info">'.&mt('No available times.').'</span>';
1064: if ($env{'form.command'} ne 'manageresv') {
1065: $output .= ' <a href="/adm/flip?postdata=return:">'.
1066: &mt('Return to last resource').'</a>';
1067: }
1068: $r->print($output);
1069: return;
1070: }
1071: if (@{$available} > 1) {
1072: my $numavailable = scalar(@{$available});
1073: my $numreserved = 0;
1074: my $js;
1075: my $j = 0;
1076: foreach my $got (@{$got_slots}) {
1077: unless (($got eq '') || (!defined($got))) {
1078: $numreserved ++;
1079: if ($env{'form.command'} eq 'manageresv') {
1080: $js .= " currslot[$j]='$got';\n";
1081: $j++;
1082: }
1083: }
1084: }
1085: my $showfilter = 'none';
1086: $output .= '<fieldset><legend>'.&mt('Actions').'</legend>'."\n".
1087: '<form method="post" name="reservationdisplay_'.$num.
1088: '" action="" onsubmit="toggleSlotDisplay(this.form,'."'$num'".');">';
1089: my @options = ('all','filter');
1090: if ($numreserved) {
1091: unshift(@options,'show');
1092: }
1093: my %resmenu = &Apache::lonlocal::texthash (
1094: show => 'Show current reservation',
1095: all => 'Show all',
1096: filter => 'Search by date',
1097: );
1098: foreach my $option (@options) {
1099: my $onclick = "toggleSlotDisplay(this.form,'$num');";
1100: if (($option eq 'show') && ($env{'form.command'} eq 'manageresv')) {
1101: $onclick .= "currSlotDisplay$num(this.form,'$num');";
1102: }
1103: $output .= '<span class="LC_nobreak"><label>'.
1104: '<input type="radio" class="LC_slotpick_radio" name="slotpick" value="'.
1105: $option.'" onclick="'.$onclick.'" />'.
1106: $resmenu{$option}.
1107: '</label></span>'.(' ' x3)."\n";
1108: }
1109: $output .= '</form>';
1110: my $chooserform = 'reservationchooser_'.$num;
1111: my $starttime = $slots->{$available->[0]}->{'starttime'};
1112: my $endtime = $slots->{$available->[-1]}->{'starttime'};
1113: if ($env{'form.command'} eq 'manageresv') {
1114: $output .= <<"ENDSCRIPT";
1115:
1116: <script type="text/javascript">
1117: // <![CDATA[
1118: function currSlotDisplay$num() {
1119: var currslot = new Array($numreserved);
1120: $js
1121: for (var j=0; j<$numreserved; j++) {
1122: if (document.getElementById('LC_slotrow_$num\_'+currslot[j])) {
1123: document.getElementById('LC_slotrow_$num\_'+currslot[j]).style.display = '';
1124: }
1125: }
1126: }
1127: // ]]>
1128: </script>
1129:
1130: ENDSCRIPT
1131: }
1132: $output .=
1133: '<div id="LC_slotfilter_'.$num.'" style="display:'.$showfilter.'">'.
1134: '<form method="post" name="'.$chooserform.'" action="">'.
1135: '<table><tr><td>'.&mt('Open after').'</td><td>'.
1136: &Apache::lonhtmlcommon::date_setter($chooserform,'start',$starttime,'','','','','','','',1,1).
1137: '</td></tr><tr><td>'.&mt('Closed before').'</td><td>'.
1138: &Apache::lonhtmlcommon::date_setter($chooserform,'end',$endtime,'','','','','','','',1,1).
1139: '</td></tr></table><br />'.
1140: '<input type="button" name="slotfilter" value="Search for reservable slots" onclick="updateSlotDisplay(this.form,'."'$num'".');" />'.
1141: '</form></div><div id="LC_slotsearch_'.$num.'" style="display:none"><hr />';
1142: }
1143: if ($env{'form.command'} eq 'manageresv') {
1144: $output .= '<table border="0">';
1145: } else {
1146: $output .= &Apache::loncommon::start_data_table();
1147: }
1148: foreach my $slot (@{$available}) {
1149: my $description=&get_description($slot,$slots->{$slot});
1150: my $form;
1151: if ((grep(/^\Q$slot\E$/,@{$got_slots})) ||
1152: &space_available($slot,$slots->{$slot},$symb)) {
1153: my $text=&mt('Select');
1154: my $command='get';
1155: if (grep(/^\Q$slot\E$/,@{$got_slots})) {
1156: $text=&mt('Drop Reservation');
1157: $command='release';
1158: } else {
1159: my $conflict = &check_for_conflict($symb,$slot,$slots->{$slot},
1160: $slots,$consumed_uniqueperiods);
1161: if ($conflict) {
1162: if ($conflict =~ /^error: /) {
1163: $form = '<span class="LC_error">'.
1164: &mt('Slot: [_1] has unknown status.',$description).
1165: '</span>';
1166: } else {
1167: $text=&mt('Change Reservation');
1168: $command='get';
1169: }
1170: }
1171: }
1172: my $escsymb=&escape($symb);
1173: if (!$form) {
1174: my $name;
1175: if ($formname) {
1176: $name = 'name="'.$formname.'"';
1177: }
1178: my $context = 'user';
1179: if ($env{'form.command'} eq 'manageresv') {
1180: $context = 'usermanage';
1181: }
1182: $form=<<STUFF;
1183: <form method="post" action="/adm/slotrequest" $name>
1184: <input type="submit" name="Select" value="$text" />
1185: <input type="hidden" name="symb" value="$escsymb" />
1186: <input type="hidden" name="slotname" value="$slot" />
1187: <input type="hidden" name="command" value="$command" />
1188: <input type="hidden" name="context" value="$context" />
1189: </form>
1190: STUFF
1191: }
1192: } else {
1193: $form = &mt('Unavailable');
1194: }
1195: if ($env{'form.command'} eq 'manageresv') {
1196: $output .= '<tr id="LC_slotrow_'.$num.'_'.$slot.'" >';
1197: } else {
1198: $output .= &Apache::loncommon::start_data_table_row('','LC_slotrow_'.$num.'_'.$slot);
1199: }
1200: $output .= "
1201: <td>$form</td>
1202: <td>$description</td>\n";
1203: if ($env{'form.command'} eq 'manageresv') {
1204: $output .= '</tr>';
1205: } else {
1206: $output .= &Apache::loncommon::end_data_table_row();
1207: }
1208: }
1209: if ($env{'form.command'} eq 'manageresv') {
1210: $output .= '</table>';
1211: } else {
1212: $output .= &Apache::loncommon::end_data_table();
1213: }
1214: if (@{$available} > 1) {
1215: $output .= '</div></fieldset>';
1216: }
1217: $r->print($output);
1218: return;
1219: }
1220:
1221: sub to_show {
1222: my ($slotname,$slot,$when,$deleted,$name) = @_;
1223: my $time=time;
1224: my $week=60*60*24*7;
1225:
1226: if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
1227: return 0;
1228: }
1229:
1230: if ($name && $name->{'value'} =~ /\w/) {
1231: if ($name->{'type'} eq 'substring') {
1232: if ($slotname !~ /\Q$name->{'value'}\E/) {
1233: return 0;
1234: }
1235: }
1236: if ($name->{'type'} eq 'exact') {
1237: if ($slotname eq $name->{'value'}) {
1238: return 0;
1239: }
1240: }
1241: }
1242:
1243: if ($when eq 'any') {
1244: return 1;
1245: } elsif ($when eq 'now') {
1246: if ($time > $slot->{'starttime'} &&
1247: $time < $slot->{'endtime'}) {
1248: return 1;
1249: }
1250: return 0;
1251: } elsif ($when eq 'nextweek') {
1252: if ( ($time < $slot->{'starttime'} &&
1253: ($time+$week) > $slot->{'starttime'})
1254: ||
1255: ($time < $slot->{'endtime'} &&
1256: ($time+$week) > $slot->{'endtime'}) ) {
1257: return 1;
1258: }
1259: return 0;
1260: } elsif ($when eq 'lastweek') {
1261: if ( ($time > $slot->{'starttime'} &&
1262: ($time-$week) < $slot->{'starttime'})
1263: ||
1264: ($time > $slot->{'endtime'} &&
1265: ($time-$week) < $slot->{'endtime'}) ) {
1266: return 1;
1267: }
1268: return 0;
1269: } elsif ($when eq 'willopen') {
1270: if ($time < $slot->{'starttime'}) {
1271: return 1;
1272: }
1273: return 0;
1274: } elsif ($when eq 'wereopen') {
1275: if ($time > $slot->{'endtime'}) {
1276: return 1;
1277: }
1278: return 0;
1279: }
1280:
1281: return 1;
1282: }
1283:
1284: sub remove_link {
1285: my ($slotname,$entry,$uname,$udom,$symb) = @_;
1286:
1287: my $remove = &mt('Remove');
1288:
1289: if ($entry eq 'remove all') {
1290: $remove = &mt('Remove All');
1291: undef($uname);
1292: undef($udom);
1293: }
1294:
1295: $slotname = &escape($slotname);
1296: $entry = &escape($entry);
1297: $uname = &escape($uname);
1298: $udom = &escape($udom);
1299: $symb = &escape($symb);
1300:
1301: return <<"END_LINK";
1302: <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb&context=manage"
1303: >($remove)</a>
1304: END_LINK
1305:
1306: }
1307:
1308: sub show_table {
1309: my ($r,$mgr)=@_;
1310:
1311: my ($cnum,$cdom)=&get_course();
1312: my $crstype=&Apache::loncommon::course_type($cdom.'_'.$cnum);
1313: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1314: if ( (keys(%slots))[0] =~ /^error: 2 /) {
1315: undef(%slots);
1316: }
1317: my $available;
1318: if ($mgr eq 'F') {
1319: # FIXME: This line should be deleted once Slots uses breadcrumbs
1320: $r->print('<br />'.&Apache::loncommon::help_open_topic(
1321: 'Slot About', &mt('Help on slots')));
1322:
1323: $r->print('<div>');
1324: $r->print('<form method="post" action="/adm/slotrequest">
1325: <input type="hidden" name="command" value="uploadstart" />
1326: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
1327: </form>');
1328: $r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited'));
1329: $r->print('<form method="post" action="/adm/helper/newslot.helper">
1330: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
1331: </form>');
1332: $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface'));
1333: $r->print('</div>');
1334: }
1335:
1336: if (!keys(%slots)) {
1337: $r->print(
1338: '<p class="LC_info">'
1339: .&mt('No slots have been created in this '.lc($crstype).'.')
1340: .'</p>'
1341: );
1342: return;
1343: }
1344:
1345: my %Saveable_Parameters = ('show' => 'array',
1346: 'when' => 'scalar',
1347: 'order' => 'scalar',
1348: 'deleted' => 'scalar',
1349: 'name_filter_type' => 'scalar',
1350: 'name_filter_value' => 'scalar',
1351: );
1352: &Apache::loncommon::store_course_settings('slotrequest',
1353: \%Saveable_Parameters);
1354: &Apache::loncommon::restore_course_settings('slotrequest',
1355: \%Saveable_Parameters);
1356: &Apache::grades::init_perm();
1357: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
1358: &Apache::grades::reset_perm();
1359:
1360: # what to display filtering
1361: my %show_fields=&Apache::lonlocal::texthash(
1362: 'name' => 'Slot Name',
1363: 'description' => 'Description',
1364: 'type' => 'Type',
1365: 'starttime' => 'Start time',
1366: 'endtime' => 'End Time',
1367: 'startreserve' => 'Time students can start reserving',
1368: 'endreserve' => 'Time students can no longer reserve',
1369: 'reservationmsg' => 'Message triggered by reservation',
1370: 'secret' => 'Secret Word',
1371: 'space' => '# of students/max',
1372: 'ip' => 'IP or DNS restrictions',
1373: 'symb' => 'Resource slot is restricted to.',
1374: 'allowedsections' => 'Sections slot is restricted to.',
1375: 'allowedusers' => 'Users slot is restricted to.',
1376: 'uniqueperiod' => 'Period of time slot is unique',
1377: 'scheduled' => 'Scheduled Students',
1378: 'proctor' => 'List of proctors');
1379: if ($crstype eq 'Community') {
1380: $show_fields{'startreserve'} = &mt('Time members can start reserving');
1381: $show_fields{'endreserve'} = &mt('Time members can no longer reserve');
1382: $show_fields{'scheduled'} = &mt('Scheduled Members');
1383: }
1384: my @show_order=('name','description','type','starttime','endtime',
1385: 'startreserve','endreserve','reservationmsg','secret','space',
1386: 'ip','symb','allowedsections','allowedusers','uniqueperiod',
1387: 'scheduled','proctor');
1388: my @show =
1389: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
1390: : keys(%show_fields);
1391: my %show = map { $_ => 1 } (@show);
1392:
1393: #when filtering setup
1394: my %when_fields=&Apache::lonlocal::texthash(
1395: 'now' => 'Open now',
1396: 'nextweek' => 'Open within the next week',
1397: 'lastweek' => 'Were open last week',
1398: 'willopen' => 'Will open later',
1399: 'wereopen' => 'Were open',
1400: 'any' => 'Anytime',
1401: );
1402: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
1403: $when_fields{'select_form_order'} = \@when_order;
1404: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
1405: : 'now';
1406:
1407: #display of students setup
1408: my %stu_display_fields=
1409: &Apache::lonlocal::texthash('username' => 'User name',
1410: 'fullname' => 'Full name',
1411: );
1412: my @stu_display_order=('fullname','username');
1413: my @stu_display =
1414: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
1415: : keys(%stu_display_fields);
1416: my %stu_display = map { $_ => 1 } (@stu_display);
1417:
1418: #name filtering setup
1419: my %name_filter_type_fields=
1420: &Apache::lonlocal::texthash('substring' => 'Substring',
1421: 'exact' => 'Exact',
1422: #'reg' => 'Regular Expression',
1423: );
1424: my @name_filter_type_order=('substring','exact');
1425:
1426: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
1427: my $name_filter_type =
1428: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
1429: : 'substring';
1430: my $name_filter = {'type' => $name_filter_type,
1431: 'value' => $env{'form.name_filter_value'},};
1432:
1433:
1434: #deleted slot filtering
1435: #default to hide if no value
1436: $env{'form.deleted'} ||= 'hide';
1437: my $hide_radio =
1438: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
1439: my $show_radio =
1440: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
1441:
1442: $r->print('<form method="post" action="/adm/slotrequest">
1443: <input type="hidden" name="command" value="showslots" />');
1444: $r->print('<div>');
1445: $r->print('<table class="inline">
1446: <tr><th>'.&mt('Show').'</th>
1447: <th>'.&mt('Student Display').'</th>
1448: <th>'.&mt('Open').'</th>
1449: <th>'.&mt('Slot Name Filter').'</th>
1450: <th>'.&mt('Options').'</th>
1451: </tr>
1452: <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1453: '</td>
1454: <td valign="top">
1455: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1456: 6,\%stu_display_fields,
1457: \@stu_display_order).'
1458: </td>
1459: <td valign="top">'.&Apache::loncommon::select_form($when,'when',\%when_fields).
1460: '</td>
1461: <td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
1462: 'name_filter_type',
1463: \%name_filter_type_fields).
1464: '<br />'.
1465: &Apache::lonhtmlcommon::textbox('name_filter_value',
1466: $env{'form.name_filter_value'},
1467: 15).
1468: '</td>
1469: <td valign="top">
1470: <table>
1471: <tr>
1472: <td rowspan="2">'.&mt('Deleted slots:').'</td>
1473: <td><label>'.$show_radio.&mt('Show').'</label></td>
1474: </tr>
1475: <tr>
1476: <td><label>'.$hide_radio.&mt('Hide').'</label></td>
1477: </tr>
1478: </table>
1479: </td>
1480: </tr>
1481: </table>');
1482: $r->print('</div>');
1483: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1484: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1485: my $tableheader = &Apache::loncommon::start_data_table().
1486: &Apache::loncommon::start_data_table_header_row().'
1487: <th></th>';
1488: foreach my $which (@show_order) {
1489: if ($which ne 'proctor' && exists($show{$which})) {
1490: $tableheader .= '<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>';
1491: }
1492: }
1493: $tableheader .= &Apache::loncommon::end_data_table_header_row();
1494: my $shownheader = 0;
1495:
1496: my %name_cache;
1497: my $slotsort = sub {
1498: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|endreserve|ip|symb|allowedsections|allowedusers|reservationmsg)$/) {
1499: if (lc($slots{$a}->{$env{'form.order'}})
1500: ne lc($slots{$b}->{$env{'form.order'}})) {
1501: return (lc($slots{$a}->{$env{'form.order'}})
1502: cmp lc($slots{$b}->{$env{'form.order'}}));
1503: }
1504: } elsif ($env{'form.order'} eq 'space') {
1505: if ($slots{$a}{'maxspace'} ne $slots{$b}{'maxspace'}) {
1506: return ($slots{$a}{'maxspace'} cmp $slots{$b}{'maxspace'});
1507: }
1508: } elsif ($env{'form.order'} eq 'name') {
1509: if (lc($a) cmp lc($b)) {
1510: return lc($a) cmp lc($b);
1511: }
1512: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1513:
1514: if ($slots{$a}->{'uniqueperiod'}[0]
1515: ne $slots{$b}->{'uniqueperiod'}[0]) {
1516: return ($slots{$a}->{'uniqueperiod'}[0]
1517: cmp $slots{$b}->{'uniqueperiod'}[0]);
1518: }
1519: if ($slots{$a}->{'uniqueperiod'}[1]
1520: ne $slots{$b}->{'uniqueperiod'}[1]) {
1521: return ($slots{$a}->{'uniqueperiod'}[1]
1522: cmp $slots{$b}->{'uniqueperiod'}[1]);
1523: }
1524: }
1525: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1526: };
1527:
1528: my %consumed;
1529: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1530: %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum);
1531: my ($tmp)=%consumed;
1532: if ($tmp =~ /^error: /) { undef(%consumed); }
1533: }
1534:
1535: my %msgops = &slot_reservationmsg_options();
1536:
1537: foreach my $slot (sort $slotsort (keys(%slots))) {
1538: if (!&to_show($slot,$slots{$slot},$when,
1539: $env{'form.deleted'},$name_filter)) { next; }
1540: my $reservemsg;
1541: if (defined($slots{$slot}->{'type'})
1542: && $slots{$slot}->{'type'} eq 'schedulable_student') {
1543: $reservemsg = $msgops{$slots{$slot}->{'reservationmsg'}};
1544: }
1545: my $description=&get_description($slot,$slots{$slot});
1546: my ($id_count,$ids);
1547:
1548: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1549: my $re_str = "$slot\0";
1550: my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed));
1551: $id_count = scalar(@this_slot);
1552: if (exists($show{'scheduled'})) {
1553: foreach my $entry (sort { $consumed{$a}{name} cmp
1554: $consumed{$b}{name} }
1555: (@this_slot)) {
1556: my (undef,$id)=split("\0",$entry);
1557: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1558: $ids.= '<span class="LC_nobreak">';
1559: foreach my $item (@stu_display_order) {
1560: if ($stu_display{$item}) {
1561: if ($item eq 'fullname') {
1562: $ids.=$fullname->{"$uname:$udom"}.' ';
1563: } elsif ($item eq 'username') {
1564: $ids.="<tt>$uname:$udom</tt> ";
1565: }
1566: }
1567: }
1568: $ids.=&remove_link($slot,$entry,$uname,$udom,
1569: $consumed{$entry}{'symb'}).'</span><br />';
1570: }
1571: }
1572: }
1573:
1574: my $start=($slots{$slot}->{'starttime'}?
1575: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1576: my $end=($slots{$slot}->{'endtime'}?
1577: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1578: my $start_reserve=($slots{$slot}->{'startreserve'}?
1579: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1580: my $end_reserve=($slots{$slot}->{'endreserve'}?
1581: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endreserve'}):'');
1582:
1583: my $unique;
1584: if (ref($slots{$slot}{'uniqueperiod'})) {
1585: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1586: localtime($slots{$slot}{'uniqueperiod'}[1]);
1587: }
1588:
1589: my $title;
1590: if (exists($slots{$slot}{'symb'})) {
1591: my (undef,undef,$res)=
1592: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1593: $res = &Apache::lonnet::clutter($res);
1594: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1595: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1596: }
1597:
1598: my $allowedsections;
1599: if (exists($show{'allowedsections'})) {
1600: $allowedsections =
1601: join(', ',sort(split(/\s*,\s*/,
1602: $slots{$slot}->{'allowedsections'})));
1603: }
1604:
1605: my @allowedusers;
1606: if (exists($show{'allowedusers'})) {
1607: @allowedusers= map {
1608: my ($uname,$udom)=split(/:/,$_);
1609: my $fullname=$name_cache{$_};
1610: if (!defined($fullname)) {
1611: $fullname = &Apache::loncommon::plainname($uname,$udom);
1612: $fullname =~s/\s/ /g;
1613: $name_cache{$_} = $fullname;
1614: }
1615: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1616: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1617: }
1618: my $allowedusers=join(', ',@allowedusers);
1619:
1620: my @proctors;
1621: my $rowspan=1;
1622: my $colspan=1;
1623: if (exists($show{'proctor'})) {
1624: $rowspan=2;
1625: @proctors= map {
1626: my ($uname,$udom)=split(/:/,$_);
1627: my $fullname=$name_cache{$_};
1628: if (!defined($fullname)) {
1629: $fullname = &Apache::loncommon::plainname($uname,$udom);
1630: $fullname =~s/\s/ /g;
1631: $name_cache{$_} = $fullname;
1632: }
1633: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1634: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1635: }
1636: my $proctors=join(', ',@proctors);
1637:
1638: my %lt = &Apache::lonlocal::texthash (
1639: edit => 'Edit',
1640: delete => 'Delete',
1641: slotlog => 'History',
1642: );
1643: my ($edit,$delete,$showlog,$remove_all);
1644: if ($mgr) {
1645: $edit=(<<"EDITLINK");
1646: <a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
1647: EDITLINK
1648:
1649: $delete=(<<"DELETELINK");
1650: <a href="/adm/slotrequest?command=delete&slotname=$slot">$lt{'delete'}</a>
1651: DELETELINK
1652:
1653: $remove_all=&remove_link($slot,'remove all').'<br />';
1654:
1655: if ($ids eq '') {
1656: undef($remove_all);
1657: } else {
1658: undef($delete);
1659: }
1660: }
1661:
1662: $showlog=(<<"LOGLINK");
1663: <a href="/adm/slotrequest?command=slotlog&slotname=$slot">$lt{'slotlog'}</a>
1664: LOGLINK
1665:
1666: if ($slots{$slot}{'type'} ne 'schedulable_student') {
1667: undef($showlog);
1668: undef($remove_all);
1669: }
1670:
1671: unless ($shownheader) {
1672: $r->print($tableheader);
1673: $shownheader = 1;
1674: }
1675:
1676: my $row_start=&Apache::loncommon::start_data_table_row();
1677: my $row_end=&Apache::loncommon::end_data_table_row();
1678: $r->print($row_start.
1679: "\n<td rowspan=\"$rowspan\">$edit $delete $showlog</td>\n");
1680: if (exists($show{'name'})) {
1681: $colspan++;$r->print("<td>$slot</td>");
1682: }
1683: if (exists($show{'description'})) {
1684: $colspan++;$r->print("<td>$description</td>\n");
1685: }
1686: if (exists($show{'type'})) {
1687: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1688: }
1689: if (exists($show{'starttime'})) {
1690: $colspan++;$r->print("<td>$start</td>\n");
1691: }
1692: if (exists($show{'endtime'})) {
1693: $colspan++;$r->print("<td>$end</td>\n");
1694: }
1695: if (exists($show{'startreserve'})) {
1696: $colspan++;$r->print("<td>$start_reserve</td>\n");
1697: }
1698: if (exists($show{'endreserve'})) {
1699: $colspan++;$r->print("<td>$end_reserve</td>\n");
1700: }
1701: if (exists($show{'reservationmsg'})) {
1702: $colspan++;$r->print("<td>$reservemsg</td>\n");
1703: }
1704: if (exists($show{'secret'})) {
1705: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1706: }
1707: if (exists($show{'space'})) {
1708: my $display = $id_count;
1709: if ($slots{$slot}{'maxspace'}>0) {
1710: $display.='/'.$slots{$slot}{'maxspace'};
1711: if ($slots{$slot}{'maxspace'} <= $id_count) {
1712: $display = '<strong>'.$display.' (full) </strong>';
1713: }
1714: }
1715: $colspan++;$r->print("<td>$display</td>\n");
1716: }
1717: if (exists($show{'ip'})) {
1718: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1719: }
1720: if (exists($show{'symb'})) {
1721: $colspan++;$r->print("<td>$title</td>\n");
1722: }
1723: if (exists($show{'allowedsections'})) {
1724: $colspan++;$r->print("<td>$allowedsections</td>\n");
1725: }
1726: if (exists($show{'allowedusers'})) {
1727: $colspan++;$r->print("<td>$allowedusers</td>\n");
1728: }
1729: if (exists($show{'uniqueperiod'})) {
1730: $colspan++;$r->print("<td>$unique</td>\n");
1731: }
1732: if (exists($show{'scheduled'})) {
1733: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1734: }
1735: $r->print("$row_end\n");
1736: if (exists($show{'proctor'})) {
1737: $r->print(<<STUFF);
1738: $row_start
1739: <td colspan="$colspan">$proctors</td>
1740: $row_end
1741: STUFF
1742: }
1743: }
1744: if ($shownheader) {
1745: $r->print(&Apache::loncommon::end_data_table());
1746: } else {
1747: $r->print('<p>'.&mt('No slots meet the criteria for display').'</p>');
1748: }
1749: $r->print('</form>');
1750: return;
1751: }
1752:
1753: sub manage_reservations {
1754: my ($r,$crstype,$slots,$consumed_uniqueperiods,$allavailable) = @_;
1755: my $navmap = Apache::lonnavmaps::navmap->new();
1756: $r->print('<p>'
1757: .&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.')
1758: .'<br />'
1759: .&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.')
1760: .'</p>'
1761: );
1762: if (!defined($navmap)) {
1763: $r->print('<div class="LC_error">');
1764: if ($crstype eq 'Community') {
1765: $r->print(&mt('Unable to retrieve information about community contents'));
1766: } else {
1767: $r->print(&mt('Unable to retrieve information about course contents'));
1768: }
1769: $r->print('</div>');
1770: &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
1771: return;
1772: }
1773: if (ref($consumed_uniqueperiods) eq 'HASH') {
1774: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
1775: $r->print('<span class="LC_error">'.
1776: &mt('An error occurred determining slot availability.').
1777: '</span>');
1778: return;
1779: }
1780: } elsif ($consumed_uniqueperiods =~ /^error: /) {
1781: $r->print('<span class="LC_error">'.
1782: &mt('An error occurred determining slot availability.').
1783: '</span>');
1784: return;
1785: }
1786: my (%parent,%shownparent,%container,%container_title,%contents);
1787: my ($depth,$count,$reservable,$lastcontainer,$rownum) = (0,0,0,0,0);
1788: my @backgrounds = ("LC_odd_row","LC_even_row");
1789: my $numcolors = scalar(@backgrounds);
1790: my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
1791: my $slotheader = '<p>'.
1792: &mt('Your reservation status for any such assignments is listed below:').
1793: '</p>'.
1794: '<table class="LC_data_table LC_tableOfContent">'."\n";
1795: my $shownheader = 0;
1796: my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
1797: while (my $resource = $it->next()) {
1798: if ($resource == $it->BEGIN_MAP()) {
1799: $depth++;
1800: $parent{$depth} = $lastcontainer;
1801: }
1802: if ($resource == $it->END_MAP()) {
1803: $depth--;
1804: $lastcontainer = $parent{$depth};
1805: }
1806: if (ref($resource)) {
1807: my $symb = $resource->symb();
1808: my $ressymb = $symb;
1809: $contents{$lastcontainer} ++;
1810: next if (!$resource->is_problem() && !$resource->is_sequence() &&
1811: !$resource->is_page());
1812: $count ++;
1813: if (($resource->is_sequence()) || ($resource->is_page())) {
1814: $lastcontainer = $count;
1815: $container{$lastcontainer} = $resource;
1816: $container_title{$lastcontainer} = $resource->compTitle();
1817: }
1818: if ($resource->is_problem()) {
1819: my ($useslots) = $resource->slot_control();
1820: next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i));
1821: my ($msg,$get_choices,$slotdescription);
1822: my $title = $resource->compTitle();
1823: my $status = $resource->simpleStatus('0');
1824: my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0');
1825: if ($slot_name ne '') {
1826: my %slot=&Apache::lonnet::get_slot($slot_name);
1827: $slotdescription=&get_description($slot_name,\%slot);
1828: }
1829: if ($slot_status == $resource->NOT_IN_A_SLOT) {
1830: $msg=&mt('No current reservation.');
1831: $get_choices = 1;
1832: } elsif ($slot_status == $resource->NEEDS_CHECKIN) {
1833: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1834: ' '.$slotdescription.'</span><br />'.
1835: &mt('Access requires proctor validation.');
1836: } elsif ($slot_status == $resource->WAITING_FOR_GRADE) {
1837: $msg=&mt('Submitted and currently in grading queue.');
1838: } elsif ($slot_status == $resource->CORRECT) {
1839: $msg=&mt('Problem is unavailable.');
1840: } elsif ($slot_status == $resource->RESERVED) {
1841: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1842: ' '.$slotdescription.'</span><br />'.
1843: &mt('Problem is currently available.');
1844: } elsif ($slot_status == $resource->RESERVED_LOCATION) {
1845: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1846: ' '.$slotdescription.'</span><br />'.
1847: &mt('Problem is available at a different location.');
1848: $get_choices = 1;
1849: } elsif ($slot_status == $resource->RESERVED_LATER) {
1850: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1851: ' '.$slotdescription.'</span><br />'.
1852: &mt('Problem will be available later.');
1853: $get_choices = 1;
1854: } elsif ($slot_status == $resource->RESERVABLE) {
1855: $msg=&mt('Reservation needed');
1856: $get_choices = 1;
1857: } elsif ($slot_status == $resource->RESERVABLE_LATER) {
1858: $msg=&mt('Reservation needed: will be reservable later.');
1859: } elsif ($slot_status == $resource->NOTRESERVABLE) {
1860: $msg=&mt('Reservation needed: none available.');
1861: } elsif ($slot_status == $resource->UNKNOWN) {
1862: $msg=&mt('Unable to determine status due to network problems.');
1863: } else {
1864: if ($status != $resource->OPEN) {
1865: $msg = &Apache::lonnavmaps::getDescription($resource,'0');
1866: }
1867: }
1868: $reservable ++;
1869: my $treelevel = $depth;
1870: my $higherup = $lastcontainer;
1871: if ($depth > 1) {
1872: my @maprows;
1873: while ($treelevel > 1) {
1874: if (ref($container{$higherup})) {
1875: my $res = $container{$higherup};
1876: last if (defined($shownparent{$higherup}));
1877: my $maptitle = $res->compTitle();
1878: my $type = 'sequence';
1879: if ($res->is_page()) {
1880: $type = 'page';
1881: }
1882: &show_map_row($treelevel,$location,$type,$maptitle,
1883: \@maprows);
1884: $shownparent{$higherup} = 1;
1885: }
1886: $treelevel --;
1887: $higherup = $parent{$treelevel};
1888: }
1889: foreach my $item (@maprows) {
1890: $rownum ++;
1891: my $bgcolor = $backgrounds[$rownum % $numcolors];
1892: if (!$shownheader) {
1893: $r->print($slotheader);
1894: $shownheader = 1;
1895: }
1896: $r->print('<tr class="'.$bgcolor.'">'.$item.'</tr>'."\n");
1897: }
1898: }
1899: $rownum ++;
1900: my $bgcolor = $backgrounds[$rownum % $numcolors];
1901: if (!$shownheader) {
1902: $r->print($slotheader);
1903: $shownheader = 1;
1904: }
1905: $r->print('<tr class="'.$bgcolor.'"><td>'."\n");
1906: for (my $i=0; $i<$depth; $i++) {
1907: $r->print('<img src="'.$location.'" alt="" />');
1908: }
1909: my $result = '<a href="'.$resource->src().'?symb='.$symb.'">'.
1910: '<img class="LC_contentImage" src="/adm/lonIcons/';
1911: if ($resource->is_task()) {
1912: $result .= 'task.gif" alt="'.&mt('Task');
1913: } else {
1914: $result .= 'problem.gif" alt="'.&mt('Problem');
1915: }
1916: $result .= '" /><b>'.$title.'</b></a>'.(' ' x6).'</td>';
1917: my $hasaction;
1918: if ($status == $resource->OPEN) {
1919: if ($get_choices) {
1920: $hasaction = 1;
1921: }
1922: }
1923: if ($hasaction) {
1924: $result .= '<td valign="top">'.$msg.'</td>'.
1925: '<td valign="top">';
1926: } else {
1927: $result .= '<td colspan="2" valign="middle">'.$msg.'</td>';
1928: }
1929: $r->print($result);
1930: if ($hasaction) {
1931: my @got_slots=&check_for_reservation($symb,'allslots');
1932: if ($got_slots[0] =~ /^error: /) {
1933: $r->print('<span class="LC_error">'.
1934: &mt('An error occurred determining slot availability.').
1935: '</span>');
1936: } else {
1937: my $formname = 'manageres_'.$reservable;
1938: if (ref($allavailable) eq 'ARRAY') {
1939: my @available;
1940: if (ref($slots) eq 'HASH') {
1941: foreach my $slot (@{$allavailable}) {
1942: # not allowed for this resource
1943: if (ref($slots->{$slot}) eq 'HASH') {
1944: if ((defined($slots->{$slot}->{'symb'})) &&
1945: ($slots->{$slot}->{'symb'} ne $symb)) {
1946: next;
1947: }
1948: }
1949: push(@available,$slot);
1950: }
1951: }
1952: &show_choices($r,$symb,$formname,$reservable,$slots,$consumed_uniqueperiods,
1953: \@available,\@got_slots);
1954: }
1955: }
1956: $r->print('</td>');
1957: }
1958: $r->print('</tr>');
1959: }
1960: }
1961: }
1962: if ($shownheader) {
1963: $r->print('</table>');
1964: }
1965: if (!$reservable) {
1966: $r->print('<span class="LC_info">');
1967: if ($crstype eq 'Community') {
1968: $r->print(&mt('No community items currently require a reservation to gain access.'));
1969: } else {
1970: $r->print(&mt('No course items currently require a reservation to gain access.'));
1971: }
1972: $r->print('</span>');
1973: }
1974: $r->print('<p><a href="/adm/slotrequest?command=showresv">'.
1975: &mt('Reservation History').'</a></p>');
1976: }
1977:
1978: sub show_map_row {
1979: my ($depth,$location,$type,$title,$maprows) = @_;
1980: my $output = '<td>';
1981: for (my $i=0; $i<$depth-1; $i++) {
1982: $output .= '<img src="'.$location.'" alt="" />';
1983: }
1984: if ($type eq 'page') {
1985: $output .= '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" /> '."\n";
1986: } else {
1987: $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n";
1988: }
1989: $output .= $title.'</td><td colspan="2"> </td>'."\n";
1990: unshift (@{$maprows},$output);
1991: return;
1992: }
1993:
1994: sub show_reservations {
1995: my ($r,$uname,$udom) = @_;
1996: if (!defined($uname)) {
1997: $uname = $env{'user.name'};
1998: }
1999: if (!defined($udom)) {
2000: $udom = $env{'user.domain'};
2001: }
2002: my $formname = 'slotlog';
2003: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2004: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2005: my $crstype = &Apache::loncommon::course_type();
2006: my %log=&Apache::lonnet::dump('nohist_'.$cdom.'_'.$cnum.'_slotlog',$udom,$uname);
2007: if ($env{'form.origin'} eq 'aboutme') {
2008: $r->print('<div class="LC_fontsize_large">');
2009: my $name = &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'},
2010: 'firstname');
2011: if ($crstype eq 'Community') {
2012: $r->print(&mt('History of member-reservable slots for: [_1]',
2013: $name));
2014: } else {
2015: $r->print(&mt('History of student-reservable slots for: [_1]',
2016: $name));
2017:
2018: }
2019: $r->print('</div>');
2020: }
2021: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
2022: # set defaults
2023: my $now = time();
2024: my $defstart = $now - (7*24*3600); #7 days ago
2025: my %defaults = (
2026: page => '1',
2027: show => '10',
2028: action => 'any',
2029: log_start_date => $defstart,
2030: log_end_date => $now,
2031: );
2032: my $more_records = 0;
2033:
2034: # set current
2035: my %curr;
2036: foreach my $item ('show','page','action') {
2037: $curr{$item} = $env{'form.'.$item};
2038: }
2039: my ($startdate,$enddate) =
2040: &Apache::lonuserutils::get_dates_from_form('log_start_date',
2041: 'log_end_date');
2042: $curr{'log_start_date'} = $startdate;
2043: $curr{'log_end_date'} = $enddate;
2044: foreach my $key (keys(%defaults)) {
2045: if ($curr{$key} eq '') {
2046: $curr{$key} = $defaults{$key};
2047: }
2048: }
2049: my ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
2050: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version));
2051: my $showntablehdr = 0;
2052: my $tablehdr = &Apache::loncommon::start_data_table().
2053: &Apache::loncommon::start_data_table_header_row().
2054: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Action').'</th>'.
2055: '<th>'.&mt('Description').'</th><th>'.&mt('Start time').'</th>'.
2056: '<th>'.&mt('End time').'</th><th>'.&mt('Resource').'</th>'.
2057: &Apache::loncommon::end_data_table_header_row();
2058: my ($minshown,$maxshown);
2059: $minshown = 1;
2060: my $count = 0;
2061: if ($curr{'show'} ne &mt('all')) {
2062: $maxshown = $curr{'page'} * $curr{'show'};
2063: if ($curr{'page'} > 1) {
2064: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
2065: }
2066: }
2067: my (%titles,%maptitles);
2068: my %lt = &reservationlog_contexts($crstype);
2069: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
2070: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
2071: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
2072: if ($curr{'show'} ne &mt('all')) {
2073: if ($count >= $curr{'page'} * $curr{'show'}) {
2074: $more_records = 1;
2075: last;
2076: }
2077: }
2078: if ($curr{'action'} ne 'any') {
2079: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
2080: }
2081: $count ++;
2082: next if ($count < $minshown);
2083: if (!$showntablehdr) {
2084: $r->print($tablehdr);
2085: $showntablehdr = 1;
2086: }
2087: my $symb = $log{$id}{'logentry'}{'symb'};
2088: my $slot_name = $log{$id}{'logentry'}{'slot'};
2089: my %slot=&Apache::lonnet::get_slot($slot_name);
2090: my $description = $slot{'description'};
2091: my $start = ($slot{'starttime'}?
2092: &Apache::lonlocal::locallocaltime($slot{'starttime'}):'');
2093: my $end = ($slot{'endtime'}?
2094: &Apache::lonlocal::locallocaltime($slot{'endtime'}):'');
2095: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2096: my $chgaction = $log{$id}{'logentry'}{'action'};
2097: if ($chgaction ne '' && $lt{$chgaction} ne '') {
2098: $chgaction = $lt{$chgaction};
2099: }
2100: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$chgaction.'</td><td>'.$description.'</td><td>'.$start.'</td><td>'.$end.'</td><td>'.$title.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
2101: }
2102: if ($showntablehdr) {
2103: $r->print(&Apache::loncommon::end_data_table().'<br />');
2104: if (($curr{'page'} > 1) || ($more_records)) {
2105: $r->print('<p>');
2106: if ($curr{'page'} > 1) {
2107: $r->print('<input type="button" onclick="javascript:chgPage('."'previous'".');" value="'.
2108: &mt('Previous [_1] changes',$curr{'show'}).'" />');
2109: }
2110: if ($more_records) {
2111: $r->print('<input type="button" onclick="javascript:chgPage('."'next'".');" value="'.
2112: &mt('Next [_1] changes',$curr{'show'}).'" />');
2113: }
2114: $r->print('</p>');
2115: $r->print(<<"ENDSCRIPT");
2116: <script type="text/javascript">
2117: // <![CDATA[
2118: function chgPage(caller) {
2119: if (caller == 'previous') {
2120: document.$formname.page.value --;
2121: }
2122: if (caller == 'next') {
2123: document.$formname.page.value ++;
2124: }
2125: document.$formname.submit();
2126: return;
2127: }
2128: // ]]>
2129: </script>
2130: ENDSCRIPT
2131: }
2132: } else {
2133: $r->print('<span class="LC_info">'
2134: .&mt('There are no transactions to display.')
2135: .'</span>'
2136: );
2137: }
2138: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'."\n".
2139: '<input type="hidden" name="command" value="showresv" />'."\n");
2140: if ($env{'form.origin'} eq 'aboutme') {
2141: $r->print('<input type="hidden" name="origin" value="'.$env{'form.origin'}.'" />'."\n".
2142: '<input type="hidden" name="uname" value="'.$env{'form.uname'}.'" />'."\n".
2143: '<input type="hidden" name="udom" value="'.$env{'form.udom'}.'" />'."\n");
2144: }
2145: $r->print('</form>');
2146: return;
2147: }
2148:
2149: sub show_reservations_log {
2150: my ($r) = @_;
2151: my $badslot;
2152: my $crstype = &Apache::loncommon::course_type();
2153: if ($env{'form.slotname'} eq '') {
2154: $r->print('<div class="LC_warning">'.&mt('No slot name provided').'</div>');
2155: $badslot = 1;
2156: } else {
2157: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
2158: if (keys(%slot) == 0) {
2159: $r->print('<div class="LC_warning">'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'</div>');
2160: $badslot = 1;
2161: } elsif ($slot{type} ne 'schedulable_student') {
2162: my $description = &get_description($env{'form.slotname'},\%slot);
2163: $r->print('<div class="LC_warning">');
2164: if ($crstype eq 'Community') {
2165: $r->print(&mt('Reservation history unavailable for non-member-reservable slot: [_1].',$description));
2166: } else {
2167: $r->print(&mt('Reservation history unavailable for non-student-reservable slot: [_1].',$description));
2168: }
2169: $r->print('</div>');
2170: $badslot = 1;
2171: }
2172: }
2173: if ($badslot) {
2174: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
2175: &mt('Return to slot list').'</a></p>');
2176: return;
2177: }
2178: my $formname = 'reservationslog';
2179: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2180: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2181: my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$cdom,$cnum);
2182: if ((keys(%slotlog))[0]=~/^error\:/) { undef(%slotlog); }
2183:
2184: my (%log,@allsymbs);
2185: if (keys(%slotlog)) {
2186: foreach my $key (keys(%slotlog)) {
2187: if (ref($slotlog{$key}) eq 'HASH') {
2188: if (ref($slotlog{$key}{'logentry'}) eq 'HASH') {
2189: if ($slotlog{$key}{'logentry'}{'slot'} eq $env{'form.slotname'}) {
2190: $log{$key} = $slotlog{$key};
2191: if ($slotlog{$key}{'logentry'}{'symb'} ne '') {
2192: push(@allsymbs,$slotlog{$key}{'logentry'}{'symb'});
2193: }
2194: }
2195: }
2196: }
2197: }
2198: }
2199:
2200: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
2201: my %saveable_parameters = ('show' => 'scalar',);
2202: &Apache::loncommon::store_course_settings('reservationslog',
2203: \%saveable_parameters);
2204: &Apache::loncommon::restore_course_settings('reservationslog',
2205: \%saveable_parameters);
2206: # set defaults
2207: my $now = time();
2208: my $defstart = $now - (7*24*3600); #7 days ago
2209: my %defaults = (
2210: page => '1',
2211: show => '10',
2212: chgcontext => 'any',
2213: action => 'any',
2214: symb => 'any',
2215: log_start_date => $defstart,
2216: log_end_date => $now,
2217: );
2218: my $more_records = 0;
2219:
2220: # set current
2221: my %curr;
2222: foreach my $item ('show','page','chgcontext','action','symb') {
2223: $curr{$item} = $env{'form.'.$item};
2224: }
2225: my ($startdate,$enddate) =
2226: &Apache::lonuserutils::get_dates_from_form('log_start_date',
2227: 'log_end_date');
2228: $curr{'log_start_date'} = $startdate;
2229: $curr{'log_end_date'} = $enddate;
2230: foreach my $key (keys(%defaults)) {
2231: if ($curr{$key} eq '') {
2232: $curr{$key} = $defaults{$key};
2233: }
2234: }
2235: my (%whodunit,%changed,$version);
2236: ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
2237:
2238: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
2239: my $description = $slot{'description'};
2240: $r->print('<span class="LC_fontsize_large">');
2241: if ($crstype eq 'Community') {
2242: $r->print(&mt('Reservation changes for member-reservable slot: [_1]',$description));
2243: } else {
2244: $r->print(&mt('Reservation changes for student-reservable slot: [_1]',$description));
2245: }
2246: $r->print('</span><br />');
2247: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs));
2248: my $showntablehdr = 0;
2249: my $tablehdr = &Apache::loncommon::start_data_table().
2250: &Apache::loncommon::start_data_table_header_row().
2251: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Who made the change').
2252: '</th><th>'.&mt('Affected User').'</th><th>'.&mt('Action').'</th>'.
2253: '<th>'.&mt('Resource').'</th><th>'.&mt('Context').'</th>'.
2254: &Apache::loncommon::end_data_table_header_row();
2255: my ($minshown,$maxshown);
2256: $minshown = 1;
2257: my $count = 0;
2258: if ($curr{'show'} ne &mt('all')) {
2259: $maxshown = $curr{'page'} * $curr{'show'};
2260: if ($curr{'page'} > 1) {
2261: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
2262: }
2263: }
2264: my %lt = &reservationlog_contexts($crstype);
2265: my (%titles,%maptitles);
2266: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
2267: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
2268: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
2269: if ($curr{'show'} ne &mt('all')) {
2270: if ($count >= $curr{'page'} * $curr{'show'}) {
2271: $more_records = 1;
2272: last;
2273: }
2274: }
2275: if ($curr{'chgcontext'} ne 'any') {
2276: if ($curr{'chgcontext'} eq 'user') {
2277: next if (($log{$id}{'logentry'}{'context'} ne 'user') &&
2278: ($log{$id}{'logentry'}{'context'} ne 'usermanage'));
2279: } else {
2280: next if ($log{$id}{'logentry'}{'context'} ne $curr{'chgcontext'});
2281: }
2282: }
2283: if ($curr{'action'} ne 'any') {
2284: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
2285: }
2286: if ($curr{'symb'} ne 'any') {
2287: next if ($log{$id}{'logentry'}{'symb'} ne $curr{'symb'});
2288: }
2289: $count ++;
2290: next if ($count < $minshown);
2291: if (!$showntablehdr) {
2292: $r->print($tablehdr);
2293: $showntablehdr = 1;
2294: }
2295: if ($whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} eq '') {
2296: $whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} =
2297: &Apache::loncommon::plainname($log{$id}{'exe_uname'},$log{$id}{'exe_udom'});
2298: }
2299: if ($changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} eq '') {
2300: $changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} =
2301: &Apache::loncommon::plainname($log{$id}{'uname'},$log{$id}{'udom'});
2302: }
2303: my $symb = $log{$id}{'logentry'}{'symb'};
2304: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2305: my $chgcontext = $log{$id}{'logentry'}{'context'};
2306: if ($chgcontext ne '' && $lt{$chgcontext} ne '') {
2307: $chgcontext = $lt{$chgcontext};
2308: }
2309: my $chgaction = $log{$id}{'logentry'}{'action'};
2310: if ($chgaction ne '' && $lt{$chgaction} ne '') {
2311: $chgaction = $lt{$chgaction};
2312: }
2313: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$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>'.$chgcontext.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
2314: }
2315: if ($showntablehdr) {
2316: $r->print(&Apache::loncommon::end_data_table().'<br />');
2317: if (($curr{'page'} > 1) || ($more_records)) {
2318: $r->print('<p>');
2319: if ($curr{'page'} > 1) {
2320: $r->print('<input type="button" onclick="javascript:chgPage('."'previous'".');" value="'.
2321: &mt('Previous [_1] changes',$curr{'show'}).'" />');
2322: }
2323: if ($more_records) {
2324: $r->print('<input type="button" onclick="javascript:chgPage('."'next'".');" value="'.
2325: &mt('Next [_1] changes',$curr{'show'}).'" />');
2326: }
2327: $r->print('</p>');
2328: $r->print(<<"ENDSCRIPT");
2329: <script type="text/javascript">
2330: function chgPage(caller) {
2331: if (caller == 'previous') {
2332: document.$formname.page.value --;
2333: }
2334: if (caller == 'next') {
2335: document.$formname.page.value ++;
2336: }
2337: document.$formname.submit();
2338: return;
2339: }
2340: </script>
2341: ENDSCRIPT
2342: }
2343: } else {
2344: $r->print(&mt('There are no records to display.'));
2345: }
2346: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'.
2347: '<input type="hidden" name="slotname" value="'.$env{'form.slotname'}.'" />'.
2348: '<input type="hidden" name="command" value="slotlog" /></form>'.
2349: '<p><a href="/adm/slotrequest?command=showslots">'.
2350: &mt('Return to slot list').'</a></p>');
2351: return;
2352: }
2353:
2354: sub get_resource_title {
2355: my ($symb,$titles,$maptitles) = @_;
2356: my $title;
2357: if ((ref($titles) eq 'HASH') && (ref($maptitles) eq 'HASH')) {
2358: if (defined($titles->{$symb})) {
2359: $title = $titles->{$symb};
2360: } else {
2361: $title = &Apache::lonnet::gettitle($symb);
2362: my $maptitle;
2363: my ($mapurl) = &Apache::lonnet::decode_symb($symb);
2364: if (defined($maptitles->{$mapurl})) {
2365: $maptitle = $maptitles->{$mapurl};
2366: } else {
2367: if ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) {
2368: $maptitle=&mt('Main Content');
2369: } else {
2370: $maptitle=&Apache::lonnet::gettitle($mapurl);
2371: }
2372: $maptitles->{$mapurl} = $maptitle;
2373: }
2374: if ($maptitle ne '') {
2375: $title .= ' '.&mt('(in [_1])',$maptitle);
2376: }
2377: $titles->{$symb} = $title;
2378: }
2379: } else {
2380: $title = $symb;
2381: }
2382: return $title;
2383: }
2384:
2385: sub reservationlog_contexts {
2386: my ($crstype) = @_;
2387: my %lt = &Apache::lonlocal::texthash (
2388: any => 'Any',
2389: user => 'By student',
2390: manage => 'Via Slot Manager',
2391: parameter => 'Via Parameter Manager',
2392: reserve => 'Made reservation',
2393: release => 'Dropped reservation',
2394: usermanage => 'By student',
2395: );
2396: if ($crstype eq 'Community') {
2397: $lt{'user'} = &mt('By member');
2398: $lt{'usermanage'} = $lt{'user'};
2399: }
2400: return %lt;
2401: }
2402:
2403: sub display_filter {
2404: my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_;
2405: my $nolink = 1;
2406: my (%titles,%maptitles);
2407: my $output = '<br /><table><tr><td valign="top">'.
2408: '<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
2409: &Apache::lonmeta::selectbox('show',$curr->{'show'},undef,
2410: (&mt('all'),5,10,20,50,100,1000,10000)).
2411: '</td><td> </td>';
2412: my $startform =
2413: &Apache::lonhtmlcommon::date_setter($formname,'log_start_date',
2414: $curr->{'log_start_date'},undef,
2415: undef,undef,undef,undef,undef,undef,$nolink);
2416: my $endform =
2417: &Apache::lonhtmlcommon::date_setter($formname,'log_end_date',
2418: $curr->{'log_end_date'},undef,
2419: undef,undef,undef,undef,undef,undef,$nolink);
2420: my $crstype = &Apache::loncommon::course_type();
2421: my %lt = &reservationlog_contexts($crstype);
2422: $output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
2423: '</b><br /><table><tr><td>'.&mt('After:').
2424: '</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
2425: $endform.'</td></tr></table></td><td> </td>';
2426: if (ref($allsymbs) eq 'ARRAY') {
2427: $output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
2428: '<select name="resource"><option value="any"';
2429: if ($curr->{'resource'} eq 'any') {
2430: $output .= ' selected="selected"';
2431: }
2432: $output .= '>'.&mt('Any').'</option>'."\n";
2433: foreach my $symb (@{$allsymbs}) {
2434: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2435: my $selstr = '';
2436: if ($curr->{'resource'} eq $symb) {
2437: $selstr = ' selected="selected"';
2438: }
2439: $output .= ' <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
2440: }
2441: $output .= '</select></td><td> </td><td valign="top"><b>'.
2442: &mt('Context:').'</b><br /><select name="chgcontext">';
2443: foreach my $chgtype ('any','user','manage','parameter') {
2444: my $selstr = '';
2445: if ($curr->{'chgcontext'} eq $chgtype) {
2446: $output .= $selstr = ' selected="selected"';
2447: }
2448: $output .= '<option value="'.$chgtype.'"'.$selstr.'>'.$lt{$chgtype}.'</option>'."\n";
2449: }
2450: $output .= '</select></td>';
2451: } else {
2452: $output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
2453: '<select name="action"><option value="any"';
2454: if ($curr->{'action'} eq 'any') {
2455: $output .= ' selected="selected"';
2456: }
2457: $output .= '>'.&mt('Any').'</option>'."\n";
2458: foreach my $actiontype ('reserve','release') {
2459: my $selstr = '';
2460: if ($curr->{'action'} eq $actiontype) {
2461: $output .= $selstr = ' selected="selected"';
2462: }
2463: $output .= '<option value="'.$actiontype.'"'.$selstr.'>'.$lt{$actiontype}.'</option>'."\n";
2464: }
2465: $output .= '</select></td>';
2466: }
2467: $output .= '<td> </td></tr></table>'.
2468: '<p><input type="submit" value="'.
2469: &mt('Update Display').'" /></p>'.
2470: '<p class="LC_info">'.
2471: &mt('Only changes made from servers running LON-CAPA [_1] or later are displayed.'
2472: ,'2.9.0');
2473: if ($version) {
2474: $output .= ' '.&mt('This LON-CAPA server is version [_1]',$version);
2475: }
2476: $output .= '</p><hr /><br />';
2477: return $output;
2478: }
2479:
2480: sub slot_change_messaging {
2481: my ($setting,$subject,$msg,$action) = @_;
2482: my $user = $env{'user.name'};
2483: my $domain = $env{'user.domain'};
2484: my ($message_status,$comment_status);
2485: if ($setting eq 'only_student'
2486: || $setting eq 'student_and_user_notes_screen') {
2487: $message_status =
2488: &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
2489: $message_status = '<li>'.&mt('Sent to you: [_1]',
2490: $message_status).' </li>';
2491: }
2492: if ($setting eq 'student_and_user_notes_screen') {
2493: $comment_status =
2494: &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
2495: $msg,$user,$domain);
2496: $comment_status = '<li>'.&mt('Entry added to course record (viewable by instructor): [_1]',
2497: $comment_status).'</li>';
2498: }
2499: if ($message_status || $comment_status) {
2500: my $msgtitle;
2501: if ($action eq 'reserve') {
2502: $msgtitle = &mt('Status of messages about saved reservation');
2503: } elsif ($action eq 'release') {
2504: $msgtitle = &mt('Status of messages about dropped reservation');
2505: } elsif ($action eq 'nochange') {
2506: $msgtitle = &mt('Status of messages about unchanged existing reservation');
2507: }
2508: return '<span class="LC_info">'.$msgtitle.'</span>'
2509: .'<ul>'
2510: .$message_status
2511: .$comment_status
2512: .'</ul><hr />';
2513: }
2514: }
2515:
2516: sub upload_start {
2517: my ($r)=@_;
2518: $r->print(
2519: &Apache::grades::checkforfile_js()
2520: .'<h2>'.&mt('Upload a file containing the slot definitions').'</h2>'
2521: .'<form method="post" enctype="multipart/form-data"'
2522: .' action="/adm/slotrequest" name="slotupload">'
2523: .'<input type="hidden" name="command" value="csvuploadmap" />'
2524: .&Apache::lonhtmlcommon::start_pick_box()
2525: .&Apache::lonhtmlcommon::row_title(&mt('File'))
2526: .&Apache::loncommon::upfile_select_html()
2527: .&Apache::lonhtmlcommon::row_closure()
2528: .&Apache::lonhtmlcommon::row_title(
2529: '<label for="noFirstLine">'
2530: .&mt('Ignore First Line')
2531: .'</label>')
2532: .'<input type="checkbox" name="noFirstLine" id="noFirstLine" />'
2533: .&Apache::lonhtmlcommon::row_closure(1)
2534: .&Apache::lonhtmlcommon::end_pick_box()
2535: .'<p>'
2536: .'<input type="button" onclick="javascript:checkUpload(this.form);"'
2537: .' value="'.&mt('Next').'" />'
2538: .'</p>'
2539: .'</form>'
2540: );
2541: }
2542:
2543: sub csvuploadmap_header {
2544: my ($r,$datatoken,$distotal)= @_;
2545: my $javascript;
2546: if ($env{'form.upfile_associate'} eq 'reverse') {
2547: $javascript=&csvupload_javascript_reverse_associate();
2548: } else {
2549: $javascript=&csvupload_javascript_forward_associate();
2550: }
2551:
2552: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
2553: my $ignore=&mt('Ignore First Line');
2554: my $buttontext = &mt('Reverse Association');
2555:
2556: $r->print(
2557: '<form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">'
2558: .'<h2>'.&mt('Identify fields in uploaded list').'</h2>'
2559: .'<div class="LC_columnSection">'
2560: .&Apache::loncommon::help_open_topic(
2561: 'Slot About',&mt('Help on slots'))
2562: .' '.&Apache::loncommon::help_open_topic(
2563: 'Slot SelectingField',&mt('Help on selecting Fields'))
2564: ."</div>\n"
2565: .'<p class="LC_info">'
2566: .&mt('Total number of records found in file: [_1]','<b>'.$distotal.'</b>')
2567: ."</p>\n"
2568: );
2569: if ($distotal == 0) {
2570: $r->print('<p class="LC_warning">'.&mt('None found').'</p>');
2571: }
2572: $r->print(
2573: '<p>'
2574: .&mt('Enter as many fields as you can.').'<br />'
2575: .&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 />')
2576: .'</p>'
2577: );
2578: $r->print(
2579: '<div class="LC_left_float">'
2580: .'<fieldset><legend>'.&mt('Functions').'</legend>'
2581: .'<label><input type="checkbox" name="noFirstLine"'.$checked.' />'.$ignore.'</label>'
2582: .' <input type="button" value="'.$buttontext
2583: .'" onclick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />'
2584: .'</fieldset></div><br clear="all" />'
2585: );
2586:
2587: $r->print(<<ENDPICK);
2588: <input type="hidden" name="associate" value="" />
2589: <input type="hidden" name="datatoken" value="$datatoken" />
2590: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
2591: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
2592: <input type="hidden" name="upfile_associate"
2593: value="$env{'form.upfile_associate'}" />
2594: <input type="hidden" name="command" value="csvuploadassign" />
2595: <script type="text/javascript" language="Javascript">
2596: // <![CDATA[
2597: $javascript
2598: // ]]>
2599: </script>
2600: ENDPICK
2601: return '';
2602:
2603: }
2604:
2605: sub csvuploadmap_footer {
2606: my ($request,$i,$keyfields) =@_;
2607: my $buttontext = &mt('Create Slots');
2608: $request->print(<<ENDPICK);
2609: <input type="hidden" name="nfields" value="$i" />
2610: <input type="hidden" name="keyfields" value="$keyfields" />
2611: <input type="button" onclick="javascript:verify(this.form)" value="$buttontext" /><br />
2612: </form>
2613: ENDPICK
2614: }
2615:
2616: sub csvupload_javascript_reverse_associate {
2617: my $error1=&mt('You need to specify the name, start time, end time and a type.');
2618: return(<<ENDPICK);
2619: function verify(vf) {
2620: var foundstart=0;
2621: var foundend=0;
2622: var foundname=0;
2623: var foundtype=0;
2624: for (i=0;i<=vf.nfields.value;i++) {
2625: tw=eval('vf.f'+i+'.selectedIndex');
2626: if (i==0 && tw!=0) { foundname=1; }
2627: if (i==1 && tw!=0) { foundtype=1; }
2628: if (i==2 && tw!=0) { foundstat=1; }
2629: if (i==3 && tw!=0) { foundend=1; }
2630: }
2631: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2632: alert('$error1');
2633: return;
2634: }
2635: vf.submit();
2636: }
2637: function flip(vf,tf) {
2638: }
2639: ENDPICK
2640: }
2641:
2642: sub csvupload_javascript_forward_associate {
2643: my $error1=&mt('You need to specify the name, start time, end time and a type.');
2644: return(<<ENDPICK);
2645: function verify(vf) {
2646: var foundstart=0;
2647: var foundend=0;
2648: var foundname=0;
2649: var foundtype=0;
2650: for (i=0;i<=vf.nfields.value;i++) {
2651: tw=eval('vf.f'+i+'.selectedIndex');
2652: if (tw==1) { foundname=1; }
2653: if (tw==2) { foundtype=1; }
2654: if (tw==3) { foundstat=1; }
2655: if (tw==4) { foundend=1; }
2656: }
2657: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2658: alert('$error1');
2659: return;
2660: }
2661: vf.submit();
2662: }
2663: function flip(vf,tf) {
2664: }
2665: ENDPICK
2666: }
2667:
2668: sub csv_upload_map {
2669: my ($r)= @_;
2670:
2671: my $datatoken;
2672: if (!$env{'form.datatoken'}) {
2673: $datatoken=&Apache::loncommon::upfile_store($r);
2674: } else {
2675: $datatoken=&Apache::loncommon::valid_datatoken($env{'form.datatoken'});
2676: if ($datatoken ne '') {
2677: &Apache::loncommon::load_tmp_file($r,$datatoken);
2678: }
2679: }
2680: my @records=&Apache::loncommon::upfile_record_sep();
2681: if ($env{'form.noFirstLine'}) { shift(@records); }
2682: &csvuploadmap_header($r,$datatoken,$#records+1);
2683: my ($i,$keyfields);
2684: if (@records) {
2685: my @fields=&csvupload_fields();
2686:
2687: if ($env{'form.upfile_associate'} eq 'reverse') {
2688: &Apache::loncommon::csv_print_samples($r,\@records);
2689: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
2690: \@fields);
2691: foreach (@fields) { $keyfields.=$_->[0].','; }
2692: chop($keyfields);
2693: } else {
2694: unshift(@fields,['none','']);
2695: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
2696: \@fields);
2697: my %sone=&Apache::loncommon::record_sep($records[0]);
2698: $keyfields=join(',',sort(keys(%sone)));
2699: }
2700: }
2701: &csvuploadmap_footer($r,$i,$keyfields);
2702:
2703: return '';
2704: }
2705:
2706: sub csvupload_fields {
2707: return (['name','Slot name'],
2708: ['type','Type of slot'],
2709: ['starttime','Start Time of slot'],
2710: ['endtime','End Time of slot'],
2711: ['startreserve','Reservation Start Time'],
2712: ['endreserve','Reservation End Time'],
2713: ['reservationmsg','Message when reservation changed'],
2714: ['ip','IP or DNS restriction'],
2715: ['proctor','List of proctor ids'],
2716: ['description','Slot Description'],
2717: ['maxspace','Maximum number of reservations'],
2718: ['symb','Resource Restriction'],
2719: ['uniqueperiod','Date range of slot exclusion'],
2720: ['secret','Secret word proctor uses to validate'],
2721: ['allowedsections','Sections slot is restricted to'],
2722: ['allowedusers','Users slot is restricted to'],
2723: );
2724: }
2725:
2726: sub csv_upload_assign {
2727: my ($r,$mgr)= @_;
2728: my $datatoken = &Apache::loncommon::valid_datatoken($env{'form.datatoken'});
2729: if ($datatoken ne '') {
2730: &Apache::loncommon::load_tmp_file($r,$datatoken);
2731: }
2732: my @slotdata = &Apache::loncommon::upfile_record_sep();
2733: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
2734: my %fields=&Apache::grades::get_fields();
2735: $r->print('<h3>'.&mt('Creating Slots').'</h3>');
2736: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
2737: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2738: my $countdone=0;
2739: my @errors;
2740: foreach my $slot (@slotdata) {
2741: my %slot;
2742: my %entries=&Apache::loncommon::record_sep($slot);
2743: my $domain;
2744: my $name=$entries{$fields{'name'}};
2745: if ($name=~/^\s*$/) {
2746: push(@errors,"Did not create slot with no name");
2747: next;
2748: }
2749: if ($name=~/\s/) {
2750: push(@errors,"$name not created -- Name must not contain spaces");
2751: next;
2752: }
2753: if ($name=~/\W/) {
2754: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
2755: next;
2756: }
2757: if ($entries{$fields{'type'}}) {
2758: $slot{'type'}=$entries{$fields{'type'}};
2759: } else {
2760: $slot{'type'}='preassigned';
2761: }
2762: if ($slot{'type'} ne 'preassigned' &&
2763: $slot{'type'} ne 'schedulable_student') {
2764: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
2765: next;
2766: }
2767: if ($entries{$fields{'starttime'}}) {
2768: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
2769: }
2770: if ($entries{$fields{'endtime'}}) {
2771: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
2772: }
2773:
2774: # start/endtime must be defined and greater than zero
2775: if (!$slot{'starttime'}) {
2776: push(@errors,"$name not created -- Invalid start time");
2777: next;
2778: }
2779: if (!$slot{'endtime'}) {
2780: push(@errors,"$name not created -- Invalid end time");
2781: next;
2782: }
2783: if ($slot{'starttime'} > $slot{'endtime'}) {
2784: push(@errors,"$name not created -- Slot starts after it ends");
2785: next;
2786: }
2787:
2788: if ($entries{$fields{'startreserve'}}) {
2789: my $date = &UnixDate($entries{$fields{'startreserve'}},"%s");
2790: if ($date eq '') {
2791: push(@errors,"$name -- No reservation start time set for slot -- value provided had invalid format");
2792: } else {
2793: $slot{'startreserve'} = $date;
2794: }
2795: }
2796: if (defined($slot{'startreserve'})
2797: && $slot{'startreserve'} > $slot{'starttime'}) {
2798: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
2799: next;
2800: }
2801:
2802: if ($entries{$fields{'endreserve'}}) {
2803: my $date = &UnixDate($entries{$fields{'endreserve'}},"%s");
2804: if ($date eq '') {
2805: push(@errors,"$name -- No reservation end time set for slot -- value provided had invalid format");
2806: } else {
2807: $slot{'endreserve'} = $date;
2808: }
2809: }
2810: if (defined($slot{'endreserve'})
2811: && $slot{'endreserve'} > $slot{'starttime'}) {
2812: push(@errors,"$name not created -- Slot's reservation end time is after the slot's start time.");
2813: next;
2814: }
2815:
2816: if ($slot{'type'} eq 'schedulable_student') {
2817: if ($entries{$fields{'reservationmsg'}}) {
2818: if (($entries{$fields{'reservationmsg'}} eq 'only_student') ||
2819: ($entries{$fields{'reservationmsg'}} eq 'student_and_user_notes_screen')) {
2820: $slot{'reservationmsg'}=$entries{$fields{'reservationmsg'}};
2821: } else {
2822: unless (($entries{$fields{'reservationmsg'}} eq 'none') ||
2823: ($entries{$fields{'reservationmsg'}} eq '')) {
2824: push(@errors,"$name -- Slot's reservationmsg setting ignored - not one of: 'only_student', 'student_and_user_notes_screen', 'none' or ''");
2825: }
2826: }
2827: }
2828: }
2829:
2830: foreach my $key ('ip','proctor','description','maxspace',
2831: 'secret','symb') {
2832: if ($entries{$fields{$key}}) {
2833: $slot{$key}=$entries{$fields{$key}};
2834: }
2835: }
2836: if ($entries{$fields{'allowedusers'}}) {
2837: $entries{$fields{'allowedusers'}} =~ s/^\s+//;
2838: $entries{$fields{'allowedusers'}} =~ s/\s+$//;
2839: my @allowedusers;
2840: foreach my $poss (split(/\s*,\s*/,$entries{$fields{'allowedusers'}})) {
2841: my ($possuname,$possudom) = split(/:/,$poss);
2842: if (($possuname =~ /^$match_username$/) && ($possudom =~ /^$match_domain$/)) {
2843: unless (grep(/^\Q$poss\E$/,@allowedusers)) {
2844: push(@allowedusers,$poss);
2845: }
2846: }
2847: }
2848: if (@allowedusers > 0) {
2849: $slot{'allowedusers'} = join(',',@allowedusers);
2850: }
2851: }
2852: if ($entries{$fields{'allowedsections'}}) {
2853: $entries{$fields{'allowedsections'}} =~ s/^\s+//;
2854: $entries{$fields{'allowedsections'}} =~ s/\s+$//;
2855: my @allowedsections;
2856: foreach my $poss (split(/\s*,\s*/,$entries{$fields{'allowedsections'}})) {
2857: if (($poss !~ /\W/) && ($poss ne 'none')) {
2858: unless (grep(/^\Q$poss\E$/,@allowedsections)) {
2859: push(@allowedsections,$poss);
2860: }
2861: }
2862: }
2863: if (@allowedsections > 0) {
2864: $slot{'allowedsections'} = join(',',@allowedsections);
2865: }
2866: }
2867: if ($entries{$fields{'uniqueperiod'}}) {
2868: my ($start,$end)= map { &UnixDate($_,"%s"); } split(',',$entries{$fields{'uniqueperiod'}});
2869: if (($start ne '') && ($end ne '')) {
2870: $slot{'uniqueperiod'}=[$start,$end];
2871: } else {
2872: push(@errors,"$name -- Slot's unique period ignored -- one or both of the comma separated values for start and end had an invalid format");
2873: }
2874: }
2875: if (ref($slot{'uniqueperiod'}) eq 'ARRAY'
2876: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
2877: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
2878: next;
2879: }
2880:
2881: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
2882: $r->print('.');
2883: $r->rflush();
2884: $countdone++;
2885: }
2886: if ($countdone) {
2887: &Apache::lonnet::devalidate_slots_cache($cname,$cdom);
2888: }
2889: $r->print('<p>'.&mt('Created [quant,_1,slot]',$countdone)."\n".'</p>');
2890: foreach my $error (@errors) {
2891: $r->print('<p><span class="LC_warning">'.$error.'</span></p>'."\n");
2892: }
2893: &show_table($r,$mgr);
2894: return '';
2895: }
2896:
2897: sub slot_command_titles {
2898: my %titles = (
2899: slotlog => 'Reservation Logs',
2900: showslots => 'Manage Slots',
2901: showresv => 'Reservation History',
2902: manageresv => 'Manage Reservations',
2903: uploadstart => 'Upload Slots File',
2904: csvuploadmap => 'Upload Slots File',
2905: csvuploadassign => 'Upload Slots File',
2906: delete => 'Slot Deletion',
2907: release => 'Reservation Result',
2908: remove_reservation => 'Remove Registration',
2909: get_reservation => 'Request Reservation',
2910: );
2911: return %titles;
2912: }
2913:
2914: sub slot_reservationmsg_options {
2915: my %options = &Apache::lonlocal::texthash (
2916: only_student => 'Sent to student',
2917: student_and_user_notes_screen => 'Sent to student and added to user notes',
2918: none => 'None sent and no record in user notes',
2919: );
2920: return %options;
2921: }
2922:
2923: sub handler {
2924: my $r=shift;
2925:
2926: &Apache::loncommon::content_type($r,'text/html');
2927: &Apache::loncommon::no_cache($r);
2928: if ($r->header_only()) {
2929: $r->send_http_header();
2930: return OK;
2931: }
2932:
2933: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
2934:
2935: my %crumb_titles = &slot_command_titles();
2936: my $brcrum;
2937:
2938: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
2939: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
2940: my (%slots,$consumed_uniqueperiods);
2941: if ($env{'form.command'} eq 'showslots') {
2942: if (($vgr ne 'F') && ($mgr ne 'F')) {
2943: $env{'form.command'} = 'manageresv';
2944: }
2945: } elsif ($env{'form.command'} eq 'manageresv') {
2946: if (($vgr eq 'F') || ($mgr eq 'F')) {
2947: $env{'form.command'} = 'showslots';
2948: }
2949: }
2950: my $title='Requesting Another Worktime';
2951: if ($env{'form.command'} eq 'showresv') {
2952: $title = 'Reservation History';
2953: if ($env{'form.origin'} eq 'aboutme') {
2954: $brcrum =[{href=>"/adm/$env{'form.udom'}/$env{'form.uname'}/aboutme",text=>'Personal Information Page'}];
2955: } else {
2956: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>'Manage Reservations'}];
2957: }
2958: if (ref($brcrum) eq 'ARRAY') {
2959: push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title});
2960: }
2961: } elsif (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
2962: if ($env{'form.command'} eq 'manageresv') {
2963: $title = 'Manage Reservations';
2964: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
2965: }
2966: my ($cnum,$cdom)=&get_course();
2967: %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
2968: $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
2969: } elsif ($vgr eq 'F') {
2970: if ($env{'form.command'} =~ /^(slotlog|showslots|uploadstart|csvuploadmap|csvuploadassign|delete|release|remove_registration)$/) {
2971: $brcrum =[{href=>"/adm/slotrequest?command=showslots",
2972: text=>$crumb_titles{'showslots'}}];
2973: $title = 'Managing Slots';
2974: unless ($env{'form.command'} eq 'showslots') {
2975: if (ref($brcrum) eq 'ARRAY') {
2976: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2977: }
2978: }
2979: }
2980: } elsif ($env{'form.command'} eq 'release') {
2981: if ($env{'form.context'} eq 'usermanage') {
2982: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",
2983: text=>$crumb_titles{'showslots'}}];
2984: $title = 'Manage Reservations';
2985: if (ref($brcrum) eq 'ARRAY') {
2986: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2987: }
2988: }
2989: } else {
2990: $brcrum =[];
2991: }
2992: my ($symb,$js,$available,$allavailable,$got_slots);
2993: $available = [];
2994: if ($env{'form.requestattempt'}) {
2995: $symb=&unescape($env{'form.symb'});
2996: @{$got_slots}=&check_for_reservation($symb,'allslots');
2997: }
2998: if (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
2999: $js = &reservation_js(\%slots,$consumed_uniqueperiods,$available,$got_slots,$symb);
3000: }
3001: &start_page($r,$title,$brcrum,$js);
3002:
3003: if ($env{'form.command'} eq 'manageresv') {
3004: $allavailable = $available;
3005: undef($available);
3006: undef($got_slots);
3007: my $crstype = &Apache::loncommon::course_type();
3008: &manage_reservations($r,$crstype,\%slots,$consumed_uniqueperiods,$allavailable);
3009: } elsif ($env{'form.command'} eq 'showresv') {
3010: &show_reservations($r,$env{'form.uname'},$env{'form.udom'});
3011: } elsif ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
3012: &show_table($r,$mgr);
3013: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
3014: &remove_registration($r);
3015: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
3016: if ($env{'form.entry'} eq 'remove all') {
3017: &release_all_slot($r,$mgr);
3018: } else {
3019: &release_slot($r,undef,undef,undef,$mgr);
3020: }
3021: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
3022: &delete_slot($r);
3023: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
3024: &upload_start($r);
3025: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
3026: &csv_upload_map($r);
3027: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
3028: if ($env{'form.associate'} ne 'Reverse Association') {
3029: &csv_upload_assign($r,$mgr);
3030: } else {
3031: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
3032: $env{'form.upfile_associate'} = 'reverse';
3033: } else {
3034: $env{'form.upfile_associate'} = 'forward';
3035: }
3036: &csv_upload_map($r);
3037: }
3038: } elsif (($env{'form.command'} eq 'slotlog') && ($vgr eq 'F')) {
3039: &show_reservations_log($r);
3040: } else {
3041: my $symb=&unescape($env{'form.symb'});
3042: if (!defined($symb)) {
3043: &fail($r,'not_valid');
3044: return OK;
3045: }
3046: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
3047: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
3048: if ($useslots ne 'resource'
3049: && $useslots ne 'map'
3050: && $useslots ne 'map_map') {
3051: &fail($r,'not_available');
3052: return OK;
3053: }
3054: $env{'request.symb'}=$symb;
3055: my $type = ($res =~ /\.task$/) ? 'Task'
3056: : 'problem';
3057: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
3058: if ($status eq 'CAN_ANSWER' ||
3059: $status eq 'NEEDS_CHECKIN' ||
3060: $status eq 'WAITING_FOR_GRADE') {
3061: &fail($r,'not_allowed');
3062: return OK;
3063: }
3064: if ($env{'form.requestattempt'}) {
3065: $r->print('<div class="LC_left_float">');
3066: &show_choices($r,$symb,undef,undef,\%slots,$consumed_uniqueperiods,$available,$got_slots);
3067: $r->print('</div><div style="padding:0;clear:both;margin:0;border:0"></div>');
3068: } elsif ($env{'form.command'} eq 'release') {
3069: &release_slot($r,$symb);
3070: } elsif ($env{'form.command'} eq 'get') {
3071: &get_slot($r,$symb);
3072: } elsif ($env{'form.command'} eq 'change') {
3073: if ($env{'form.nochange'}) {
3074: my $slot_name = $env{'form.releaseslot'};
3075: my @slots = &check_for_reservation($symb,'allslots');
3076: my $msg;
3077: if (($slot_name ne '') && (grep(/^\Q$slot_name\E/,@slots))) {
3078: my %slot=&Apache::lonnet::get_slot($env{'form.releaseslot'});
3079: my $description=&get_description($slot_name,\%slot);
3080: $msg = '<span style="font-weight: bold;">'.
3081: &mt('Unchanged reservation: [_1]',$description).'</span><br /><br />';
3082: my $person =
3083: &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
3084: my $subject = &mt('Reservation unchanged: [_1]',$description);
3085: my $msgbody = &mt('No change to existing registration by [_1] for [_2].',$person,$description);
3086: $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'nochange');
3087: } else {
3088: $msg = '<span class="LC_warning">'.&mt('Reservation no longer reported as available.').'</span>';
3089: }
3090: $r->print($msg);
3091: &return_link($r);
3092: } elsif (&get_slot($r,$symb,$env{'form.releaseslot'},1)) {
3093: &release_slot($r,$symb,$env{'form.releaseslot'});
3094: }
3095: } else {
3096: $r->print('<p>'.&mt('Unknown command: [_1]',$env{'form.command'}).'</p>');
3097: }
3098: }
3099: &end_page($r);
3100: return OK;
3101: }
3102:
3103: 1;
3104: __END__
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