File:
[LON-CAPA] /
loncom /
interface /
slotrequest.pm
Revision
1.110:
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Mon Jan 3 18:04:56 2011 UTC (13 years, 8 months ago) by
raeburn
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MAIN
CVS tags:
version_2_10_X,
version_2_10_1,
version_2_10_0_RC2,
version_2_10_0,
loncapaMITrelate_1,
language_hyphenation_merge,
language_hyphenation,
HEAD
- Clarification of slot reservation change process by student.
- "Make no change" on screen displayed after clicking "Change reservation" button for an existing reservation, allows student to exit.
- Record that student made no change if slot is configured to send messages.
1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.110 2011/01/03 18:04:56 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;
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)=@_;
60: my $args;
61: if (ref($brcrum) eq 'ARRAY') {
62: $args = {bread_crumbs => $brcrum};
63: }
64: $r->print(&Apache::loncommon::start_page($title,undef,$args));
65: }
66:
67: sub end_page {
68: my ($r)=@_;
69: $r->print(&Apache::loncommon::end_page());
70: }
71:
72: =pod
73:
74: slot_reservations db
75: - keys are
76: - slotname\0id -> value is an hashref of
77: name -> user@domain of holder
78: timestamp -> timestamp of reservation
79: symb -> symb of resource that it is reserved for
80:
81: =cut
82:
83: sub get_course {
84: (undef,my $courseid)=&Apache::lonnet::whichuser();
85: my $cdom=$env{'course.'.$courseid.'.domain'};
86: my $cnum=$env{'course.'.$courseid.'.num'};
87: return ($cnum,$cdom);
88: }
89:
90: sub get_reservation_ids {
91: my ($slot_name)=@_;
92:
93: my ($cnum,$cdom)=&get_course();
94:
95: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
96: "^$slot_name\0");
97: if (&Apache::lonnet::error(%consumed)) {
98: return 'error: Unable to determine current status';
99: }
100: my ($tmp)=%consumed;
101: if ($tmp=~/^error: 2 / ) {
102: return 0;
103: }
104: return keys(%consumed);
105: }
106:
107: sub space_available {
108: my ($slot_name,$slot)=@_;
109: my $max=$slot->{'maxspace'};
110:
111: if (!defined($max)) { return 1; }
112:
113: my $consumed=scalar(&get_reservation_ids($slot_name));
114: if ($consumed < $max) {
115: return 1
116: }
117: return 0;
118: }
119:
120: sub check_for_reservation {
121: my ($symb,$mode)=@_;
122: my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
123: $env{'user.domain'}, $env{'user.name'});
124:
125: my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
126: $env{'user.domain'}, $env{'user.name'});
127: my @slots = (split(/:/,$student), split(/:/, $course));
128:
129: &Apache::lonxml::debug(" slot list is ".join(':',@slots));
130:
131: my ($cnum,$cdom)=&get_course();
132: my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
133:
134: if (&Apache::lonnet::error($student)
135: || &Apache::lonnet::error($course)
136: || &Apache::lonnet::error(%slots)) {
137: return 'error: Unable to determine current status';
138: }
139: my @got;
140: my @sorted_slots = &Apache::loncommon::sorted_slots(\@slots,\%slots);
141: foreach my $slot_name (@sorted_slots) {
142: next if (!defined($slots{$slot_name}) ||
143: !ref($slots{$slot_name}));
144: &Apache::lonxml::debug(time." $slot_name ".
145: $slots{$slot_name}->{'starttime'}." -- ".
146: $slots{$slot_name}->{'startreserve'});
147: if ($slots{$slot_name}->{'endtime'} > time &&
148: $slots{$slot_name}->{'startreserve'} < time) {
149: # between start of reservation times and end of slot
150: if ($mode eq 'allslots') {
151: push(@got,$slot_name);
152: } else {
153: return($slot_name, $slots{$slot_name});
154: }
155: }
156: }
157: if ($mode eq 'allslots' && @got) {
158: return @got;
159: }
160: return (undef,undef);
161: }
162:
163: sub get_consumed_uniqueperiods {
164: my ($slots) = @_;
165: my $navmap=Apache::lonnavmaps::navmap->new;
166: if (!defined($navmap)) {
167: return 'error: Unable to determine current status';
168: }
169: my @problems = $navmap->retrieveResources(undef,
170: sub { $_[0]->is_problem() },1,0);
171: my %used_slots;
172: foreach my $problem (@problems) {
173: my $symb = $problem->symb();
174: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
175: $symb, $env{'user.domain'},
176: $env{'user.name'});
177: my $course = &Apache::lonnet::EXT("resource.0.available",
178: $symb, $env{'user.domain'},
179: $env{'user.name'});
180: if (&Apache::lonnet::error($student)
181: || &Apache::lonnet::error($course)) {
182: return 'error: Unable to determine current status';
183: }
184: foreach my $slot (split(/:/,$student), split(/:/, $course)) {
185: $used_slots{$slot}=1;
186: }
187: }
188:
189: if (!ref($slots)) {
190: my ($cnum,$cdom)=&get_course();
191: my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
192: if (&Apache::lonnet::error(%slots)) {
193: return 'error: Unable to determine current status';
194: }
195: $slots = \%slots;
196: }
197:
198: my %consumed_uniqueperiods;
199: foreach my $slot_name (keys(%used_slots)) {
200: next if (!defined($slots->{$slot_name}) ||
201: !ref($slots->{$slot_name}));
202:
203: next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
204: !ref($slots->{$slot_name}{'uniqueperiod'}));
205: $consumed_uniqueperiods{$slot_name} =
206: $slots->{$slot_name}{'uniqueperiod'};
207: }
208: return \%consumed_uniqueperiods;
209: }
210:
211: sub check_for_conflict {
212: my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
213:
214: if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
215:
216: if (!ref($consumed_uniqueperiods)) {
217: $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
218: if (ref($consumed_uniqueperiods) eq 'HASH') {
219: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
220: return 'error: Unable to determine current status';
221: }
222: } else {
223: return 'error: Unable to determine current status';
224: }
225: }
226:
227: my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
228: foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
229: my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
230: if (!
231: ($start < $new_uniq_start && $end < $new_uniq_start) ||
232: ($start > $new_uniq_end && $end > $new_uniq_end )) {
233: return $slot_name;
234: }
235: }
236: return undef;
237: }
238:
239: sub make_reservation {
240: my ($slot_name,$slot,$symb,$cnum,$cdom)=@_;
241:
242: my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
243: $env{'user.domain'},$env{'user.name'});
244: &Apache::lonxml::debug("value is $value<br />");
245:
246: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",$symb,
247: $env{'user.domain'},$env{'user.name'});
248: &Apache::lonxml::debug("use_slots is $use_slots<br />");
249:
250: if (&Apache::lonnet::error($value)
251: || &Apache::lonnet::error($use_slots)) {
252: return 'error: Unable to determine current status';
253: }
254:
255: my $parm_symb = $symb;
256: my $parm_level = 1;
257: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
258: my ($map) = &Apache::lonnet::decode_symb($symb);
259: $parm_symb = &Apache::lonnet::symbread($map);
260: $parm_level = 2;
261: }
262:
263: foreach my $other_slot (split(/:/, $value)) {
264: if ($other_slot eq $slot_name) {
265: my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
266: $cnum, "^$slot_name\0");
267: if (&Apache::lonnet::error($value)) {
268: return 'error: Unable to determine current status';
269: }
270: my $me=$env{'user.name'}.':'.$env{'user.domain'};
271: foreach my $key (keys(%consumed)) {
272: if ($consumed{$key}->{'name'} eq $me) {
273: my $num=(split('\0',$key))[1];
274: return -$num;
275: }
276: }
277: }
278: }
279:
280: my $max=$slot->{'maxspace'};
281: if (!defined($max)) { $max=99999; }
282:
283: my (@ids)=&get_reservation_ids($slot_name);
284: if (&Apache::lonnet::error(@ids)) {
285: return 'error: Unable to determine current status';
286: }
287: my $last=0;
288: foreach my $id (@ids) {
289: my $num=(split('\0',$id))[1];
290: if ($num > $last) { $last=$num; }
291: }
292:
293: my $wanted=$last+1;
294: &Apache::lonxml::debug("wanted $wanted<br />");
295: if (scalar(@ids) >= $max) {
296: # full up
297: return undef;
298: }
299:
300: my %reservation=('name' => $env{'user.name'}.':'.$env{'user.domain'},
301: 'timestamp' => time,
302: 'symb' => $parm_symb);
303:
304: my $success=&Apache::lonnet::newput('slot_reservations',
305: {"$slot_name\0$wanted" =>
306: \%reservation},
307: $cdom, $cnum);
308:
309: if ($success eq 'ok') {
310: my $new_value=$slot_name;
311: if ($value) {
312: $new_value=$value.':'.$new_value;
313: }
314: &store_slot_parm($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom);
315: return $wanted;
316: }
317:
318: # someone else got it
319: return undef;
320: }
321:
322: sub store_slot_parm {
323: my ($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom) = @_;
324: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
325: '0_availablestudent',
326: $parm_level, $new_value,
327: 'string',
328: $env{'user.name'},
329: $env{'user.domain'});
330: &Apache::lonxml::debug("hrrm $result");
331: my %storehash = (
332: symb => $symb,
333: slot => $slot_name,
334: action => 'reserve',
335: context => $env{'form.context'},
336: );
337:
338: &Apache::lonnet::instructor_log('slotreservationslog',\%storehash,
339: '',$env{'user.name'},$env{'user.domain'},
340: $cnum,$cdom);
341: &Apache::lonnet::instructor_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
342: 1,$env{'user.name'},$env{'user.domain'},
343: $env{'user.name'},$env{'user.domain'});
344:
345: return;
346: }
347:
348: sub remove_registration {
349: my ($r) = @_;
350: if ($env{'form.entry'} ne 'remove all') {
351: return &remove_registration_user($r);
352: }
353: my $slot_name = $env{'form.slotname'};
354: my %slot=&Apache::lonnet::get_slot($slot_name);
355:
356: my ($cnum,$cdom)=&get_course();
357: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
358: "^$slot_name\0");
359: if (&Apache::lonnet::error(%consumed)) {
360: $r->print("<p><span class=\"LC_error\">".&mt('A network error has occurred.').'</span></p>');
361: return;
362: }
363: if (!%consumed) {
364: $r->print('<p>'.&mt('Slot [_1] has no reservations.',
365: '<tt>'.$slot_name.'</tt>').'</p>');
366: return;
367: }
368:
369: my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
370: my $names = join(' ',@names);
371:
372: my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
373: &remove_registration_confirmation($r,$msg,['entry','slotname','context']);
374: }
375:
376: sub remove_registration_user {
377: my ($r) = @_;
378:
379: my $slot_name = $env{'form.slotname'};
380:
381: my $name = &Apache::loncommon::plainname($env{'form.uname'},
382: $env{'form.udom'});
383:
384: my $title = &Apache::lonnet::gettitle($env{'form.symb'});
385:
386: my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
387: $name,$slot_name,$title);
388:
389: &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
390: 'entry','symb','context']);
391: }
392:
393: sub remove_registration_confirmation {
394: my ($r,$msg,$inputs) =@_;
395:
396: my $hidden_input;
397: foreach my $parm (@{$inputs}) {
398: $hidden_input .=
399: '<input type="hidden" name="'.$parm.'" value="'
400: .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
401: }
402: my %lt = &Apache::lonlocal::texthash(
403: 'yes' => 'Yes',
404: 'no' => 'No',
405: );
406: $r->print(<<"END_CONFIRM");
407: <p> $msg </p>
408: <form action="/adm/slotrequest" method="post">
409: <input type="hidden" name="command" value="release" />
410: <input type="hidden" name="button" value="yes" />
411: $hidden_input
412: <input type="submit" value="$lt{'yes'}" />
413: </form>
414: <form action="/adm/slotrequest" method="post">
415: <input type="hidden" name="command" value="showslots" />
416: <input type="submit" value="$lt{'no'}" />
417: </form>
418: END_CONFIRM
419:
420: }
421:
422: sub release_all_slot {
423: my ($r,$mgr)=@_;
424:
425: my $slot_name = $env{'form.slotname'};
426:
427: my ($cnum,$cdom)=&get_course();
428:
429: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
430: "^$slot_name\0");
431:
432: $r->print('<p>'.&mt('Releasing reservations').'</p>');
433:
434: foreach my $entry (sort { $consumed{$a}{'name'} cmp
435: $consumed{$b}{'name'} } (keys(%consumed))) {
436: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
437: my ($result,$msg) =
438: &release_reservation($slot_name,$uname,$udom,
439: $consumed{$entry}{'symb'},$mgr);
440: if (!$result) {
441: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
442: } else {
443: $r->print("<p>$msg</p>");
444: }
445: $r->rflush();
446: }
447: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
448: &mt('Return to slot list').'</a></p>');
449: &return_link($r);
450: }
451:
452: sub release_slot {
453: my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
454:
455: if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
456:
457: my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
458: if ($mgr eq 'F'
459: && defined($env{'form.uname'}) && defined($env{'form.udom'})) {
460: ($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
461: }
462:
463: if ($mgr eq 'F'
464: && defined($env{'form.symb'})) {
465: $symb = &unescape($env{'form.symb'});
466: }
467:
468: my ($result,$msg) =
469: &release_reservation($slot_name,$uname,$udom,$symb,$mgr);
470: if (!$result) {
471: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
472: } else {
473: $r->print("<p>$msg</p>");
474: }
475:
476: if ($mgr eq 'F') {
477: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
478: &mt('Return to slot list').'</a></p>');
479: }
480:
481: if (!$inhibit_return_link) { &return_link($r); }
482: return $result;
483: }
484:
485: sub release_reservation {
486: my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
487: my %slot=&Apache::lonnet::get_slot($slot_name);
488: my $description=&get_description($slot_name,\%slot);
489:
490: if ($mgr ne 'F') {
491: if ($slot{'starttime'} < time) {
492: return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description));
493: }
494: }
495:
496: # if the reservation symb is for a map get a resource in that map
497: # to check slot parameters on
498: my $navmap=Apache::lonnavmaps::navmap->new;
499: if (!defined($navmap)) {
500: return (0,'error: Unable to determine current status');
501: }
502: my $passed_resource = $navmap->getBySymb($symb);
503: if ($passed_resource->is_map()) {
504: my ($a_resource) =
505: $navmap->retrieveResources($passed_resource,
506: sub {$_[0]->is_problem()},0,1);
507: $symb = $a_resource->symb();
508: }
509:
510: # get parameter string, check for existance, rebuild string with the slot
511: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
512: $symb,$udom,$uname);
513: my @slots = split(/:/,$student);
514:
515: my @new_slots;
516: foreach my $exist_slot (@slots) {
517: if ($exist_slot eq $slot_name) { next; }
518: push(@new_slots,$exist_slot);
519: }
520: my $new_param = join(':',@new_slots);
521:
522: my ($cnum,$cdom)=&get_course();
523:
524: # get slot reservations, check if user has one, if so remove reservation
525: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
526: "^$slot_name\0");
527: foreach my $entry (keys(%consumed)) {
528: if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
529: &Apache::lonnet::del('slot_reservations',[$entry],
530: $cdom,$cnum);
531: my %storehash = (
532: symb => $symb,
533: slot => $slot_name,
534: action => 'release',
535: context => $env{'form.context'},
536: );
537: &Apache::lonnet::instructor_log('slotreservationslog',\%storehash,
538: 1,$uname,$udom,$cnum,$cdom);
539: &Apache::lonnet::instructor_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
540: 1,$uname,$udom,$uname,$udom);
541: }
542: }
543:
544: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",
545: $symb,$udom,$uname);
546: &Apache::lonxml::debug("use_slots is $use_slots<br />");
547:
548: if (&Apache::lonnet::error($use_slots)) {
549: return (0,'error: Unable to determine current status');
550: }
551:
552: my $parm_level = 1;
553: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
554: $parm_level = 2;
555: }
556: # store new parameter string
557: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
558: '0_availablestudent',
559: $parm_level, $new_param,
560: 'string', $uname, $udom);
561: my $msg;
562: if ($mgr eq 'F') {
563: $msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
564: } else {
565: $msg = '<span style="font-weight: bold;">'.&mt('Released reservation: [_1]',$description).'</span><br /><br />';
566: my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
567: my $subject = &mt('Reservation change: [_1]',$description);
568: my $msgbody = &mt('Reservation released by [_1] for [_2].',$person,$description);
569: $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'release');
570: }
571: return (1,$msg);
572: }
573:
574: sub delete_slot {
575: my ($r)=@_;
576:
577: my $slot_name = $env{'form.slotname'};
578: my %slot=&Apache::lonnet::get_slot($slot_name);
579:
580: my ($cnum,$cdom)=&get_course();
581: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
582: "^$slot_name\0");
583: my ($tmp) = %consumed;
584: if ($tmp =~ /error: 2/) { undef(%consumed); }
585:
586: if (%slot && !%consumed) {
587: $slot{'type'} = 'deleted';
588: my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
589: $cdom, $cnum);
590: if ($ret eq 'ok') {
591: $r->print('<p>'.&mt('Slot [_1] marked as deleted.','<tt>'.$slot_name.'</tt>').'</p>');
592: } else {
593: $r->print('<p><span class="LC_error">'.&mt('An error occurred when attempting to delete slot: [_1]','<tt>'.$slot_name.'</tt>')." ($ret)</span></p>");
594: }
595: } else {
596: if (%consumed) {
597: $r->print('<p>'.&mt('Slot [_1] has active reservations.','<tt>'.$slot_name.'</tt>').'</p>');
598: } else {
599: $r->print('<p>'.&mt('Slot [_1] does not exist.','<tt>'.$slot_name.'</tt>').'</p>');
600: }
601: }
602: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
603: &mt('Return to slot list').'</a></p>');
604: &return_link($r);
605: }
606:
607: sub return_link {
608: my ($r) = @_;
609: if (($env{'form.command'} eq 'manageresv') || ($env{'form.context'} eq 'usermanage')) {
610: $r->print('<p><a href="/adm/slotrequest?command=manageresv">'.
611: &mt('Return to reservations'));
612: } else {
613: $r->print('<p><a href="/adm/flip?postdata=return:">'.
614: &mt('Return to last resource').'</a></p>');
615: }
616: }
617:
618: sub get_slot {
619: my ($r,$symb,$conflictable_slot,$inhibit_return_link)=@_;
620:
621: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
622: my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
623:
624: if ($slot_name =~ /^error: (.*)/) {
625: $r->print('<p><span class="LC_error">'
626: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
627: .'</span></p>');
628: &return_link($r);
629: return 0;
630: }
631: if ($slot_name && $slot_name ne $conflictable_slot) {
632: my %slot=&Apache::lonnet::get_slot($slot_name);
633: my $description1=&get_description($slot_name,\%slot);
634: %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
635: my $description2=&get_description($env{'form.slotname'},\%slot);
636: if ($slot_name ne $env{'form.slotname'}) {
637: $r->print(<<STUFF);
638: <form method="post" action="/adm/slotrequest">
639: <input type="hidden" name="symb" value="$env{'form.symb'}" />
640: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
641: <input type="hidden" name="releaseslot" value="$slot_name" />
642: <input type="hidden" name="command" value="change" />
643: STUFF
644: $r->print('<p class="LC_error">'.&mt('Reservation currently unchanged').'</p>');
645: if ($slot_name ne '') {
646: $r->print('<p>'.&mt('To complete the transaction you [_1]must confirm[_2] you want to [_3]process the change[_4] to [_5].'
647: ,'<b>','</b>','<i>','</i>','<b>'.$description2.'</b>')
648: .'<br />'
649: .&mt('Or you can choose to [_1]make no change[_2] and continue[_2] with the reservation you already had: [_3].'
650: ,'<i>','</i>','<b>'.$description1.'</b>')
651: .'</p><p><span class="LC_nobreak">'
652: .'<input type="submit" name="change" value="'.&mt('Process the change').'" />'
653: .(' 'x3)
654: .'<input type="submit" name="nochange" value="'.&mt('Make no change').'" />'
655: .'</span></p>');
656: }
657: $r->print(<<STUFF);
658: </form>
659: STUFF
660: } else {
661: $r->print('<p>'.&mt('Already have a reservation: [_1].',$description1).'</p>');
662: &return_link($r);
663: }
664: return 0;
665: }
666:
667: my ($cnum,$cdom)=&get_course();
668: my $reserved=&make_reservation($env{'form.slotname'},
669: \%slot,$symb,$cnum,$cdom);
670: my $description=&get_description($env{'form.slotname'},\%slot);
671: if (defined($reserved)) {
672: my $retvalue = 0;
673: if ($slot_name =~ /^error: (.*)/) {
674: $r->print('<p><span class="LC_error">'
675: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
676: .'</span></p>');
677: } elsif ($reserved > -1) {
678: $r->print('<p style="font-weight: bold;">'.&mt('Successfully signed up: [_1]',$description).'</p>');
679: $retvalue = 1;
680: my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
681: my $subject = &mt('Reservation change: [_1]',$description);
682: my $msgbody = &mt('Successful reservation by [_1] for [_2].',$person,$description);
683: my $msg = &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'reserve');
684: if ($msg) {
685: $r->print($msg);
686: }
687: } elsif ($reserved < 0) {
688: $r->print('<p>'.&mt('Already reserved: [_1]',$description).'</p>');
689: }
690: if (!$inhibit_return_link) { &return_link($r); }
691: return 1;
692: }
693:
694: my %lt = &Apache::lonlocal::texthash(
695: 'request' => 'Availibility list',
696: 'try' => 'Try again?',
697: 'or' => 'or',
698: );
699:
700: my $extra_input;
701: if ($conflictable_slot) {
702: $extra_input='<input type="hidden" name="releaseslot" value="'.$env{'form.slotname'}.'" />';
703: }
704:
705: $r->print('<p>'.&mt('[_1]Failed[_2] to reserve a slot for [_3].','<span class="LC_warning">','</span>',$description).'</p>');
706: $r->print(<<STUFF);
707: <p>
708: <form method="post" action="/adm/slotrequest">
709: <input type="submit" name="Try Again" value="$lt{'try'}" />
710: <input type="hidden" name="symb" value="$env{'form.symb'}" />
711: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
712: <input type="hidden" name="command" value="$env{'form.command'}" />
713: $extra_input
714: </form>
715: </p>
716: <p>
717: $lt{'or'}
718: <form method="post" action="/adm/slotrequest">
719: <input type="hidden" name="symb" value="$env{'form.symb'}" />
720: <input type="submit" name="requestattempt" value="$lt{'request'}" />
721: </form>
722: STUFF
723:
724: if (!$inhibit_return_link) {
725: $r->print(&mt('or').'</p>');
726: &return_link($r);
727: } else {
728: $r->print('</p>');
729: }
730: return 0;
731: }
732:
733: sub allowed_slot {
734: my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods)=@_;
735:
736: #already started
737: if ($slot->{'starttime'} < time) {
738: return 0;
739: }
740: &Apache::lonxml::debug("$slot_name starttime good");
741:
742: #already ended
743: if ($slot->{'endtime'} < time) {
744: return 0;
745: }
746: &Apache::lonxml::debug("$slot_name endtime good");
747:
748: # not allowed to pick this one
749: if (defined($slot->{'type'})
750: && $slot->{'type'} ne 'schedulable_student') {
751: return 0;
752: }
753: &Apache::lonxml::debug("$slot_name type good");
754:
755: # reserve time not yet started
756: if ($slot->{'startreserve'} > time) {
757: return 0;
758: }
759: &Apache::lonxml::debug("$slot_name reserve good");
760:
761: my $userallowed=0;
762: # its for a different set of users
763: if (defined($slot->{'allowedsections'})) {
764: if (!defined($env{'request.role.sec'})
765: && grep(/^No section assigned$/,
766: split(',',$slot->{'allowedsections'}))) {
767: $userallowed=1;
768: }
769: if (defined($env{'request.role.sec'})
770: && grep(/^\Q$env{'request.role.sec'}\E$/,
771: split(',',$slot->{'allowedsections'}))) {
772: $userallowed=1;
773: }
774: if (defined($env{'request.course.groups'})) {
775: my @groups = split(/:/,$env{'request.course.groups'});
776: my @allowed_sec = split(',',$slot->{'allowedsections'});
777: foreach my $group (@groups) {
778: if (grep {$_ eq $group} (@allowed_sec)) {
779: $userallowed=1;
780: last;
781: }
782: }
783: }
784: }
785: &Apache::lonxml::debug("$slot_name sections is $userallowed");
786:
787: # its for a different set of users
788: if (defined($slot->{'allowedusers'})
789: && grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
790: split(',',$slot->{'allowedusers'}))) {
791: $userallowed=1;
792: }
793:
794: if (!defined($slot->{'allowedusers'})
795: && !defined($slot->{'allowedsections'})) {
796: $userallowed=1;
797: }
798:
799: &Apache::lonxml::debug("$slot_name user is $userallowed");
800: return 0 if (!$userallowed);
801:
802: # not allowed for this resource
803: if (defined($slot->{'symb'})
804: && $slot->{'symb'} ne $symb) {
805: return 0;
806: }
807:
808: my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
809: $consumed_uniqueperiods);
810: if ($conflict =~ /^error: /) {
811: return 0;
812: } elsif ($conflict ne '') {
813: if ($slots->{$conflict}{'starttime'} < time) {
814: return 0;
815: }
816: }
817: &Apache::lonxml::debug("$slot_name symb good");
818: return 1;
819: }
820:
821: sub get_description {
822: my ($slot_name,$slot)=@_;
823: my $description=$slot->{'description'};
824: if (!defined($description)) {
825: $description=&mt('[_1] From [_2] to [_3]',$slot_name,
826: &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
827: &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
828: }
829: return $description;
830: }
831:
832: sub show_choices {
833: my ($r,$symb,$formname)=@_;
834:
835: my ($cnum,$cdom)=&get_course();
836: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
837: my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
838: if (ref($consumed_uniqueperiods) eq 'HASH') {
839: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
840: $r->print('<span class="LC_error">'.
841: &mt('An error occurred determining slot availability').
842: '</span>');
843: return;
844: }
845: } elsif ($consumed_uniqueperiods =~ /^error: /) {
846: $r->print('<span class="LC_error">'.
847: &mt('An error occurred determining slot availability').
848: '</span>');
849: return;
850: }
851: my (@available,$output);
852: &Apache::lonxml::debug("Checking Slots");
853: my @got_slots=&check_for_reservation($symb,'allslots');
854: if ($got_slots[0] =~ /^error: /) {
855: $r->print('<span class="LC_error">'.
856: &mt('An error occurred determining slot availability').
857: '</span>');
858: return;
859: }
860: foreach my $slot (sort
861: { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
862: (keys(%slots))) {
863:
864: &Apache::lonxml::debug("Checking Slot $slot");
865: next if (!&allowed_slot($slot,$slots{$slot},$symb,\%slots,
866: $consumed_uniqueperiods));
867:
868: push(@available,$slot);
869: }
870: if (!@available) {
871: $output = &mt('No available times.');
872: if ($env{'form.command'} ne 'manageresv') {
873: $output .= ' <a href="/adm/flip?postdata=return:">'.
874: &mt('Return to last resource').'</a>';
875: }
876: $r->print($output);
877: return;
878: }
879: if ($env{'form.command'} eq 'manageresv') {
880: $output = '<table border="0">';
881: } else {
882: $output = &Apache::loncommon::start_data_table();
883: }
884: foreach my $slot (@available) {
885: my $description=&get_description($slot,$slots{$slot});
886: my $form;
887: if ((grep(/^\Q$slot\E$/,@got_slots)) ||
888: &space_available($slot,$slots{$slot},$symb)) {
889: my $text=&mt('Select');
890: my $command='get';
891: if (grep(/^\Q$slot\E$/,@got_slots)) {
892: $text=&mt('Drop Reservation');
893: $command='release';
894: } else {
895: my $conflict = &check_for_conflict($symb,$slot,$slots{$slot},
896: \%slots,
897: $consumed_uniqueperiods);
898: if ($conflict) {
899: if ($conflict =~ /^error: /) {
900: $form = '<span class="LC_error">'.
901: &mt('Slot: [_1] has unknown status.',$description).
902: '</span>';
903: } else {
904: $text=&mt('Change Reservation');
905: $command='get';
906: }
907: }
908: }
909: my $escsymb=&escape($symb);
910: if (!$form) {
911: if ($formname) {
912: $formname = 'name="'.$formname.'" ';
913: }
914: my $context = 'user';
915: if ($env{'form.command'} eq 'manageresv') {
916: $context = 'usermanage';
917: }
918: $form=<<STUFF;
919: <form method="post" action="/adm/slotrequest" $formname>
920: <input type="submit" name="Select" value="$text" />
921: <input type="hidden" name="symb" value="$escsymb" />
922: <input type="hidden" name="slotname" value="$slot" />
923: <input type="hidden" name="command" value="$command" />
924: <input type="hidden" name="context" value="$context" />
925: </form>
926: STUFF
927: }
928: } else {
929: $form = &mt('Unavailable');
930: }
931: if ($env{'form.command'} eq 'manageresv') {
932: $output .= '<tr>';
933: } else {
934: $output .= &Apache::loncommon::start_data_table_row();
935: }
936: $output .= "
937: <td>$form</td>
938: <td>$description</td>\n";
939: if ($env{'form.command'} eq 'manageresv') {
940: $output .= '</tr>';
941: } else {
942: $output .= &Apache::loncommon::end_data_table_row();
943: }
944: }
945: if ($env{'form.command'} eq 'manageresv') {
946: $output .= '</table>';
947: } else {
948: $output .= &Apache::loncommon::end_data_table();
949: }
950: $r->print($output);
951: }
952:
953: sub to_show {
954: my ($slotname,$slot,$when,$deleted,$name) = @_;
955: my $time=time;
956: my $week=60*60*24*7;
957:
958: if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
959: return 0;
960: }
961:
962: if ($name && $name->{'value'} =~ /\w/) {
963: if ($name->{'type'} eq 'substring') {
964: if ($slotname !~ /\Q$name->{'value'}\E/) {
965: return 0;
966: }
967: }
968: if ($name->{'type'} eq 'exact') {
969: if ($slotname eq $name->{'value'}) {
970: return 0;
971: }
972: }
973: }
974:
975: if ($when eq 'any') {
976: return 1;
977: } elsif ($when eq 'now') {
978: if ($time > $slot->{'starttime'} &&
979: $time < $slot->{'endtime'}) {
980: return 1;
981: }
982: return 0;
983: } elsif ($when eq 'nextweek') {
984: if ( ($time < $slot->{'starttime'} &&
985: ($time+$week) > $slot->{'starttime'})
986: ||
987: ($time < $slot->{'endtime'} &&
988: ($time+$week) > $slot->{'endtime'}) ) {
989: return 1;
990: }
991: return 0;
992: } elsif ($when eq 'lastweek') {
993: if ( ($time > $slot->{'starttime'} &&
994: ($time-$week) < $slot->{'starttime'})
995: ||
996: ($time > $slot->{'endtime'} &&
997: ($time-$week) < $slot->{'endtime'}) ) {
998: return 1;
999: }
1000: return 0;
1001: } elsif ($when eq 'willopen') {
1002: if ($time < $slot->{'starttime'}) {
1003: return 1;
1004: }
1005: return 0;
1006: } elsif ($when eq 'wereopen') {
1007: if ($time > $slot->{'endtime'}) {
1008: return 1;
1009: }
1010: return 0;
1011: }
1012:
1013: return 1;
1014: }
1015:
1016: sub remove_link {
1017: my ($slotname,$entry,$uname,$udom,$symb) = @_;
1018:
1019: my $remove = &mt('Remove');
1020:
1021: if ($entry eq 'remove all') {
1022: $remove = &mt('Remove All');
1023: undef($uname);
1024: undef($udom);
1025: }
1026:
1027: $slotname = &escape($slotname);
1028: $entry = &escape($entry);
1029: $uname = &escape($uname);
1030: $udom = &escape($udom);
1031: $symb = &escape($symb);
1032:
1033: return <<"END_LINK";
1034: <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb&context=manage"
1035: >($remove)</a>
1036: END_LINK
1037:
1038: }
1039:
1040: sub show_table {
1041: my ($r,$mgr)=@_;
1042:
1043: my ($cnum,$cdom)=&get_course();
1044: my $crstype=&Apache::loncommon::course_type($cdom.'_'.$cnum);
1045: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1046: if ( (keys(%slots))[0] =~ /^error: 2 /) {
1047: undef(%slots);
1048: }
1049: my $available;
1050: if ($mgr eq 'F') {
1051: # FIXME: This line should be deleted once Slots uses breadcrumbs
1052: $r->print(&Apache::loncommon::help_open_topic('Slot About', 'Help on slots'));
1053:
1054: $r->print('<div>');
1055: $r->print('<form method="post" action="/adm/slotrequest">
1056: <input type="hidden" name="command" value="uploadstart" />
1057: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
1058: </form>');
1059: $r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited'));
1060: $r->print('<form method="post" action="/adm/helper/newslot.helper">
1061: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
1062: </form>');
1063: $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface'));
1064: $r->print('</div>');
1065: }
1066:
1067: if (!keys(%slots)) {
1068: if ($crstype eq 'Community') {
1069: $r->print('<div>'.&mt('No slots have been created in this community.').'</div>');
1070: } else {
1071: $r->print('<div>'.&mt('No slots have been created in this course.').'</div>');
1072: }
1073: return;
1074: }
1075:
1076: my %Saveable_Parameters = ('show' => 'array',
1077: 'when' => 'scalar',
1078: 'order' => 'scalar',
1079: 'deleted' => 'scalar',
1080: 'name_filter_type' => 'scalar',
1081: 'name_filter_value' => 'scalar',
1082: );
1083: &Apache::loncommon::store_course_settings('slotrequest',
1084: \%Saveable_Parameters);
1085: &Apache::loncommon::restore_course_settings('slotrequest',
1086: \%Saveable_Parameters);
1087: &Apache::grades::init_perm();
1088: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
1089: &Apache::grades::reset_perm();
1090:
1091: # what to display filtering
1092: my %show_fields=&Apache::lonlocal::texthash(
1093: 'name' => 'Slot Name',
1094: 'description' => 'Description',
1095: 'type' => 'Type',
1096: 'starttime' => 'Start time',
1097: 'endtime' => 'End Time',
1098: 'startreserve' => 'Time students can start reserving',
1099: 'reservationmsg' => 'Message triggered by reservation',
1100: 'secret' => 'Secret Word',
1101: 'space' => '# of students/max',
1102: 'ip' => 'IP or DNS restrictions',
1103: 'symb' => 'Resource slot is restricted to.',
1104: 'allowedsections' => 'Sections slot is restricted to.',
1105: 'allowedusers' => 'Users slot is restricted to.',
1106: 'uniqueperiod' => 'Period of time slot is unique',
1107: 'scheduled' => 'Scheduled Students',
1108: 'proctor' => 'List of proctors');
1109: if ($crstype eq 'Community') {
1110: $show_fields{'startreserve'} = &mt('Time members can start reserving');
1111: $show_fields{'scheduled'} = &mt('Scheduled Members');
1112: }
1113: my @show_order=('name','description','type','starttime','endtime',
1114: 'startreserve','reservationmsg','secret','space','ip','symb',
1115: 'allowedsections','allowedusers','uniqueperiod',
1116: 'scheduled','proctor');
1117: my @show =
1118: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
1119: : keys(%show_fields);
1120: my %show = map { $_ => 1 } (@show);
1121:
1122: #when filtering setup
1123: my %when_fields=&Apache::lonlocal::texthash(
1124: 'now' => 'Open now',
1125: 'nextweek' => 'Open within the next week',
1126: 'lastweek' => 'Were open last week',
1127: 'willopen' => 'Will open later',
1128: 'wereopen' => 'Were open',
1129: 'any' => 'Anytime',
1130: );
1131: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
1132: $when_fields{'select_form_order'} = \@when_order;
1133: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
1134: : 'now';
1135:
1136: #display of students setup
1137: my %stu_display_fields=
1138: &Apache::lonlocal::texthash('username' => 'User name',
1139: 'fullname' => 'Full name',
1140: );
1141: my @stu_display_order=('fullname','username');
1142: my @stu_display =
1143: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
1144: : keys(%stu_display_fields);
1145: my %stu_display = map { $_ => 1 } (@stu_display);
1146:
1147: #name filtering setup
1148: my %name_filter_type_fields=
1149: &Apache::lonlocal::texthash('substring' => 'Substring',
1150: 'exact' => 'Exact',
1151: #'reg' => 'Regular Expression',
1152: );
1153: my @name_filter_type_order=('substring','exact');
1154:
1155: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
1156: my $name_filter_type =
1157: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
1158: : 'substring';
1159: my $name_filter = {'type' => $name_filter_type,
1160: 'value' => $env{'form.name_filter_value'},};
1161:
1162:
1163: #deleted slot filtering
1164: #default to hide if no value
1165: $env{'form.deleted'} ||= 'hide';
1166: my $hide_radio =
1167: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
1168: my $show_radio =
1169: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
1170:
1171: $r->print('<form method="post" action="/adm/slotrequest">
1172: <input type="hidden" name="command" value="showslots" />');
1173: $r->print('<div>');
1174: $r->print('<table class="inline">
1175: <tr><th>'.&mt('Show').'</th>
1176: <th>'.&mt('Student Display').'</th>
1177: <th>'.&mt('Open').'</th>
1178: <th>'.&mt('Slot Name Filter').'</th>
1179: <th>'.&mt('Options').'</th>
1180: </tr>
1181: <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1182: '</td>
1183: <td valign="top">
1184: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1185: 6,\%stu_display_fields,
1186: \@stu_display_order).'
1187: </td>
1188: <td valign="top">'.&Apache::loncommon::select_form($when,'when',\%when_fields).
1189: '</td>
1190: <td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
1191: 'name_filter_type',
1192: \%name_filter_type_fields).
1193: '<br />'.
1194: &Apache::lonhtmlcommon::textbox('name_filter_value',
1195: $env{'form.name_filter_value'},
1196: 15).
1197: '</td>
1198: <td valign="top">
1199: <table>
1200: <tr>
1201: <td rowspan="2">Deleted slots:</td>
1202: <td><label>'.$show_radio.'Show</label></td>
1203: </tr>
1204: <tr>
1205: <td><label>'.$hide_radio.'Hide</label></td>
1206: </tr>
1207: </table>
1208: </td>
1209: </tr>
1210: </table>');
1211: $r->print('</div>');
1212: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1213: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1214: $r->print(&Apache::loncommon::start_data_table().
1215: &Apache::loncommon::start_data_table_header_row().'
1216: <th></th>');
1217: foreach my $which (@show_order) {
1218: if ($which ne 'proctor' && exists($show{$which})) {
1219: $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1220: }
1221: }
1222: $r->print(&Apache::loncommon::end_data_table_header_row());
1223:
1224: my %name_cache;
1225: my $slotsort = sub {
1226: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|ip|symb|allowedsections|allowedusers|reservationmsg)$/) {
1227: if (lc($slots{$a}->{$env{'form.order'}})
1228: ne lc($slots{$b}->{$env{'form.order'}})) {
1229: return (lc($slots{$a}->{$env{'form.order'}})
1230: cmp lc($slots{$b}->{$env{'form.order'}}));
1231: }
1232: } elsif ($env{'form.order'} eq 'space') {
1233: if ($slots{$a}{'maxspace'} ne $slots{$b}{'maxspace'}) {
1234: return ($slots{$a}{'maxspace'} cmp $slots{$b}{'maxspace'});
1235: }
1236: } elsif ($env{'form.order'} eq 'name') {
1237: if (lc($a) cmp lc($b)) {
1238: return lc($a) cmp lc($b);
1239: }
1240: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1241:
1242: if ($slots{$a}->{'uniqueperiod'}[0]
1243: ne $slots{$b}->{'uniqueperiod'}[0]) {
1244: return ($slots{$a}->{'uniqueperiod'}[0]
1245: cmp $slots{$b}->{'uniqueperiod'}[0]);
1246: }
1247: if ($slots{$a}->{'uniqueperiod'}[1]
1248: ne $slots{$b}->{'uniqueperiod'}[1]) {
1249: return ($slots{$a}->{'uniqueperiod'}[1]
1250: cmp $slots{$b}->{'uniqueperiod'}[1]);
1251: }
1252: }
1253: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1254: };
1255:
1256: my %consumed;
1257: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1258: %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum);
1259: my ($tmp)=%consumed;
1260: if ($tmp =~ /^error: /) { undef(%consumed); }
1261: }
1262:
1263: my %msgops = &slot_reservationmsg_options();
1264:
1265: foreach my $slot (sort $slotsort (keys(%slots))) {
1266: if (!&to_show($slot,$slots{$slot},$when,
1267: $env{'form.deleted'},$name_filter)) { next; }
1268: my $reservemsg;
1269: if (defined($slots{$slot}->{'type'})
1270: && $slots{$slot}->{'type'} eq 'schedulable_student') {
1271: $reservemsg = $msgops{$slots{$slot}->{'reservationmsg'}};
1272: }
1273: my $description=&get_description($slot,$slots{$slot});
1274: my ($id_count,$ids);
1275:
1276: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1277: my $re_str = "$slot\0";
1278: my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed));
1279: $id_count = scalar(@this_slot);
1280: if (exists($show{'scheduled'})) {
1281: foreach my $entry (sort { $consumed{$a}{name} cmp
1282: $consumed{$b}{name} }
1283: (@this_slot)) {
1284: my (undef,$id)=split("\0",$entry);
1285: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1286: $ids.= '<span class="LC_nobreak">';
1287: foreach my $item (@stu_display_order) {
1288: if ($stu_display{$item}) {
1289: if ($item eq 'fullname') {
1290: $ids.=$fullname->{"$uname:$udom"}.' ';
1291: } elsif ($item eq 'username') {
1292: $ids.="<tt>$uname:$udom</tt> ";
1293: }
1294: }
1295: }
1296: $ids.=&remove_link($slot,$entry,$uname,$udom,
1297: $consumed{$entry}{'symb'}).'</span><br />';
1298: }
1299: }
1300: }
1301:
1302: my $start=($slots{$slot}->{'starttime'}?
1303: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1304: my $end=($slots{$slot}->{'endtime'}?
1305: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1306: my $start_reserve=($slots{$slot}->{'startreserve'}?
1307: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1308:
1309: my $unique;
1310: if (ref($slots{$slot}{'uniqueperiod'})) {
1311: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1312: localtime($slots{$slot}{'uniqueperiod'}[1]);
1313: }
1314:
1315: my $title;
1316: if (exists($slots{$slot}{'symb'})) {
1317: my (undef,undef,$res)=
1318: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1319: $res = &Apache::lonnet::clutter($res);
1320: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1321: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1322: }
1323:
1324: my $allowedsections;
1325: if (exists($show{'allowedsections'})) {
1326: $allowedsections =
1327: join(', ',sort(split(/\s*,\s*/,
1328: $slots{$slot}->{'allowedsections'})));
1329: }
1330:
1331: my @allowedusers;
1332: if (exists($show{'allowedusers'})) {
1333: @allowedusers= map {
1334: my ($uname,$udom)=split(/:/,$_);
1335: my $fullname=$name_cache{$_};
1336: if (!defined($fullname)) {
1337: $fullname = &Apache::loncommon::plainname($uname,$udom);
1338: $fullname =~s/\s/ /g;
1339: $name_cache{$_} = $fullname;
1340: }
1341: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1342: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1343: }
1344: my $allowedusers=join(', ',@allowedusers);
1345:
1346: my @proctors;
1347: my $rowspan=1;
1348: my $colspan=1;
1349: if (exists($show{'proctor'})) {
1350: $rowspan=2;
1351: @proctors= map {
1352: my ($uname,$udom)=split(/:/,$_);
1353: my $fullname=$name_cache{$_};
1354: if (!defined($fullname)) {
1355: $fullname = &Apache::loncommon::plainname($uname,$udom);
1356: $fullname =~s/\s/ /g;
1357: $name_cache{$_} = $fullname;
1358: }
1359: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1360: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1361: }
1362: my $proctors=join(', ',@proctors);
1363:
1364: my %lt = &Apache::lonlocal::texthash (
1365: edit => 'Edit',
1366: delete => 'Delete',
1367: slotlog => 'History',
1368: );
1369: my $edit=(<<"EDITLINK");
1370: <a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
1371: EDITLINK
1372:
1373: my $delete=(<<"DELETELINK");
1374: <a href="/adm/slotrequest?command=delete&slotname=$slot">$lt{'delete'}</a>
1375: DELETELINK
1376:
1377: my $showlog=(<<"LOGLINK");
1378: <a href="/adm/slotrequest?command=slotlog&slotname=$slot">$lt{'slotlog'}</a>
1379: LOGLINK
1380:
1381: my $remove_all=&remove_link($slot,'remove all').'<br />';
1382:
1383: if ($ids eq '') {
1384: undef($remove_all);
1385: } else {
1386: undef($delete);
1387: }
1388: if ($slots{$slot}{'type'} ne 'schedulable_student') {
1389: undef($showlog);
1390: undef($remove_all);
1391: }
1392:
1393: my $row_start=&Apache::loncommon::start_data_table_row();
1394: my $row_end=&Apache::loncommon::end_data_table_row();
1395: $r->print($row_start.
1396: "\n<td rowspan=\"$rowspan\">$edit $delete $showlog</td>\n");
1397: if (exists($show{'name'})) {
1398: $colspan++;$r->print("<td>$slot</td>");
1399: }
1400: if (exists($show{'description'})) {
1401: $colspan++;$r->print("<td>$description</td>\n");
1402: }
1403: if (exists($show{'type'})) {
1404: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1405: }
1406: if (exists($show{'starttime'})) {
1407: $colspan++;$r->print("<td>$start</td>\n");
1408: }
1409: if (exists($show{'endtime'})) {
1410: $colspan++;$r->print("<td>$end</td>\n");
1411: }
1412: if (exists($show{'startreserve'})) {
1413: $colspan++;$r->print("<td>$start_reserve</td>\n");
1414: }
1415: if (exists($show{'reservationmsg'})) {
1416: $colspan++;$r->print("<td>$reservemsg</td>\n");
1417: }
1418: if (exists($show{'secret'})) {
1419: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1420: }
1421: if (exists($show{'space'})) {
1422: my $display = $id_count;
1423: if ($slots{$slot}{'maxspace'}>0) {
1424: $display.='/'.$slots{$slot}{'maxspace'};
1425: if ($slots{$slot}{'maxspace'} <= $id_count) {
1426: $display = '<strong>'.$display.' (full) </strong>';
1427: }
1428: }
1429: $colspan++;$r->print("<td>$display</td>\n");
1430: }
1431: if (exists($show{'ip'})) {
1432: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1433: }
1434: if (exists($show{'symb'})) {
1435: $colspan++;$r->print("<td>$title</td>\n");
1436: }
1437: if (exists($show{'allowedsections'})) {
1438: $colspan++;$r->print("<td>$allowedsections</td>\n");
1439: }
1440: if (exists($show{'allowedusers'})) {
1441: $colspan++;$r->print("<td>$allowedusers</td>\n");
1442: }
1443: if (exists($show{'uniqueperiod'})) {
1444: $colspan++;$r->print("<td>$unique</td>\n");
1445: }
1446: if (exists($show{'scheduled'})) {
1447: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1448: }
1449: $r->print("$row_end\n");
1450: if (exists($show{'proctor'})) {
1451: $r->print(<<STUFF);
1452: $row_start
1453: <td colspan="$colspan">$proctors</td>
1454: $row_end
1455: STUFF
1456: }
1457: }
1458: $r->print(&Apache::loncommon::end_data_table().'</form>');
1459: return;
1460: }
1461:
1462: sub manage_reservations {
1463: my ($r,$crstype) = @_;
1464: my $navmap = Apache::lonnavmaps::navmap->new();
1465: $r->print('<p>'
1466: .&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.')
1467: .'<br />'
1468: .&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.')
1469: .'</p>'
1470: );
1471: if (!defined($navmap)) {
1472: $r->print('<div class="LC_error">');
1473: if ($crstype eq 'Community') {
1474: $r->print(&mt('Unable to retrieve information about community contents'));
1475: } else {
1476: $r->print(&mt('Unable to retrieve information about course contents'));
1477: }
1478: $r->print('</div>');
1479: &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
1480: return;
1481: }
1482: my (%parent,%shownparent,%container,%container_title,%contents);
1483: my ($depth,$count,$reservable,$lastcontainer,$rownum) = (0,0,0,0,0);
1484: my @backgrounds = ("LC_odd_row","LC_even_row");
1485: my $numcolors = scalar(@backgrounds);
1486: my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
1487: my $slotheader = '<p>'.
1488: &mt('Your reservation status for any such assignments is listed below:').
1489: '</p>'.
1490: '<table class="LC_data_table LC_tableOfContent">'."\n";
1491: my $shownheader = 0;
1492: my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
1493: while (my $resource = $it->next()) {
1494: if ($resource == $it->BEGIN_MAP()) {
1495: $depth++;
1496: $parent{$depth} = $lastcontainer;
1497: }
1498: if ($resource == $it->END_MAP()) {
1499: $depth--;
1500: $lastcontainer = $parent{$depth};
1501: }
1502: if (ref($resource)) {
1503: my $symb = $resource->symb();
1504: my $ressymb = $symb;
1505: $contents{$lastcontainer} ++;
1506: next if (!$resource->is_problem() && !$resource->is_sequence() &&
1507: !$resource->is_page());
1508: $count ++;
1509: if (($resource->is_sequence()) || ($resource->is_page())) {
1510: $lastcontainer = $count;
1511: $container{$lastcontainer} = $resource;
1512: $container_title{$lastcontainer} = $resource->compTitle();
1513: }
1514: if ($resource->is_problem()) {
1515: my ($useslots) = $resource->slot_control();
1516: next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i));
1517: my ($msg,$get_choices,$slotdescription);
1518: my $title = $resource->compTitle();
1519: my $status = $resource->simpleStatus('0');
1520: my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0');
1521: if ($slot_name ne '') {
1522: my %slot=&Apache::lonnet::get_slot($slot_name);
1523: $slotdescription=&get_description($slot_name,\%slot);
1524: }
1525: if ($slot_status == $resource->NOT_IN_A_SLOT) {
1526: $msg=&mt('No current reservation.');
1527: $get_choices = 1;
1528: } elsif ($slot_status == $resource->NEEDS_CHECKIN) {
1529: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1530: ' '.$slotdescription.'</span><br />'.
1531: &mt('Access requires proctor validation.');
1532: } elsif ($slot_status == $resource->WAITING_FOR_GRADE) {
1533: $msg=&mt('Submitted and currently in grading queue.');
1534: } elsif ($slot_status == $resource->CORRECT) {
1535: $msg=&mt('Problem is unavailable.');
1536: } elsif ($slot_status == $resource->RESERVED) {
1537: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1538: ' '.$slotdescription.'</span><br />'.
1539: &mt('Problem is currently available.');
1540: } elsif ($slot_status == $resource->RESERVED_LOCATION) {
1541: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1542: ' '.$slotdescription.'</span><br />'.
1543: &mt('Problem is available at a different location.');
1544: $get_choices = 1;
1545: } elsif ($slot_status == $resource->RESERVED_LATER) {
1546: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1547: ' '.$slotdescription.'</span><br />'.
1548: &mt('Problem will be available later.');
1549: $get_choices = 1;
1550: } elsif ($slot_status == $resource->RESERVABLE) {
1551: $msg=&mt('Reservation needed');
1552: $get_choices = 1;
1553: } elsif ($slot_status == $resource->NOTRESERVABLE) {
1554: $msg=&mt('Reservation needed: none available.');
1555: } elsif ($slot_status == $resource->UNKNOWN) {
1556: $msg=&mt('Unable to determine status due to network problems.');
1557: } else {
1558: if ($status != $resource->OPEN) {
1559: $msg = &Apache::lonnavmaps::getDescription($resource,'0');
1560: }
1561: }
1562: $reservable ++;
1563: my $treelevel = $depth;
1564: my $higherup = $lastcontainer;
1565: if ($depth > 1) {
1566: my @maprows;
1567: while ($treelevel > 1) {
1568: if (ref($container{$higherup})) {
1569: my $res = $container{$higherup};
1570: last if (defined($shownparent{$higherup}));
1571: my $maptitle = $res->compTitle();
1572: my $type = 'sequence';
1573: if ($res->is_page()) {
1574: $type = 'page';
1575: }
1576: &show_map_row($treelevel,$location,$type,$maptitle,
1577: \@maprows);
1578: $shownparent{$higherup} = 1;
1579: }
1580: $treelevel --;
1581: $higherup = $parent{$treelevel};
1582: }
1583: foreach my $item (@maprows) {
1584: $rownum ++;
1585: my $bgcolor = $backgrounds[$rownum % $numcolors];
1586: if (!$shownheader) {
1587: $r->print($slotheader);
1588: $shownheader = 1;
1589: }
1590: $r->print('<tr class="'.$bgcolor.'">'.$item.'</tr>'."\n");
1591: }
1592: }
1593: $rownum ++;
1594: my $bgcolor = $backgrounds[$rownum % $numcolors];
1595: if (!$shownheader) {
1596: $r->print($slotheader);
1597: $shownheader = 1;
1598: }
1599: $r->print('<tr class="'.$bgcolor.'"><td>'."\n");
1600: for (my $i=0; $i<$depth; $i++) {
1601: $r->print('<img src="'.$location.'" alt="" />');
1602: }
1603: my $result = '<a href="'.$resource->src().'?symb='.$symb.'">'.
1604: '<img class="LC_contentImage" src="/adm/lonIcons/';
1605: if ($resource->is_task()) {
1606: $result .= 'task.gif" alt="'.&mt('Task');
1607: } else {
1608: $result .= 'problem.gif" alt="'.&mt('Problem');
1609: }
1610: $result .= '" /><b>'.$title.'</b></a>'.(' ' x6).'</td>';
1611: my $hasaction;
1612: if ($status == $resource->OPEN) {
1613: if ($get_choices) {
1614: $hasaction = 1;
1615: }
1616: }
1617: if ($hasaction) {
1618: $result .= '<td valgn="middle">'.$msg.'</td>'.
1619: '<td valign="middle">'.(' ' x6);
1620: } else {
1621: $result .= '<td colspan="2" valign="middle">'.$msg.'</td>';
1622: }
1623: $r->print($result);
1624: if ($hasaction) {
1625: my $formname = 'manageres_'.$reservable;
1626: &show_choices($r,$symb,$formname);
1627: $r->print('</td>');
1628: }
1629: $r->print('</tr>');
1630: }
1631: }
1632: }
1633: if ($shownheader) {
1634: $r->print('</table>');
1635: }
1636: if (!$reservable) {
1637: $r->print('<span class="LC_info">');
1638: if ($crstype eq 'Community') {
1639: $r->print(&mt('No community items currently require a reservation to gain access.'));
1640: } else {
1641: $r->print(&mt('No course items currently require a reservation to gain access.'));
1642: }
1643: $r->print('</span>');
1644: }
1645: $r->print('<p><a href="/adm/slotrequest?command=showresv">'.
1646: &mt('Reservation History').'</a></p>');
1647: }
1648:
1649: sub show_map_row {
1650: my ($depth,$location,$type,$title,$maprows) = @_;
1651: my $output = '<td>';
1652: for (my $i=0; $i<$depth-1; $i++) {
1653: $output .= '<img src="'.$location.'" alt="" />';
1654: }
1655: if ($type eq 'page') {
1656: $output .= '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" /> '."\n";
1657: } else {
1658: $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n";
1659: }
1660: $output .= $title.'</td><td colspan="2"> </td>'."\n";
1661: unshift (@{$maprows},$output);
1662: return;
1663: }
1664:
1665: sub show_reservations {
1666: my ($r,$uname,$udom) = @_;
1667: if (!defined($uname)) {
1668: $uname = $env{'user.name'};
1669: }
1670: if (!defined($udom)) {
1671: $udom = $env{'user.domain'};
1672: }
1673: my $formname = 'slotlog';
1674: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1675: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1676: my $crstype = &Apache::loncommon::course_type();
1677: my %log=&Apache::lonnet::dump('nohist_'.$cdom.'_'.$cnum.'_slotlog',$udom,$uname);
1678: if ($env{'form.origin'} eq 'aboutme') {
1679: $r->print('<div class="LC_fontsize_large">');
1680: my $name = &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'},
1681: 'firstname');
1682: if ($crstype eq 'Community') {
1683: $r->print(&mt('History of member-reservable slots for: [_1]',
1684: $name));
1685: } else {
1686: $r->print(&mt('History of student-reservable slots for: [_1]',
1687: $name));
1688:
1689: }
1690: $r->print('</div>');
1691: }
1692: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1693: # set defaults
1694: my $now = time();
1695: my $defstart = $now - (7*24*3600); #7 days ago
1696: my %defaults = (
1697: page => '1',
1698: show => '10',
1699: action => 'any',
1700: log_start_date => $defstart,
1701: log_end_date => $now,
1702: );
1703: my $more_records = 0;
1704:
1705: # set current
1706: my %curr;
1707: foreach my $item ('show','page','action') {
1708: $curr{$item} = $env{'form.'.$item};
1709: }
1710: my ($startdate,$enddate) =
1711: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1712: 'log_end_date');
1713: $curr{'log_start_date'} = $startdate;
1714: $curr{'log_end_date'} = $enddate;
1715: foreach my $key (keys(%defaults)) {
1716: if ($curr{$key} eq '') {
1717: $curr{$key} = $defaults{$key};
1718: }
1719: }
1720: my ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1721: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version));
1722: my $showntablehdr = 0;
1723: my $tablehdr = &Apache::loncommon::start_data_table().
1724: &Apache::loncommon::start_data_table_header_row().
1725: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Action').'</th>'.
1726: '<th>'.&mt('Description').'</th><th>'.&mt('Start time').'</th>'.
1727: '<th>'.&mt('End time').'</th><th>'.&mt('Resource').'</th>'.
1728: &Apache::loncommon::end_data_table_header_row();
1729: my ($minshown,$maxshown);
1730: $minshown = 1;
1731: my $count = 0;
1732: if ($curr{'show'} ne &mt('all')) {
1733: $maxshown = $curr{'page'} * $curr{'show'};
1734: if ($curr{'page'} > 1) {
1735: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1736: }
1737: }
1738: my (%titles,%maptitles);
1739: my %lt = &reservationlog_contexts($crstype);
1740: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1741: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1742: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1743: if ($curr{'show'} ne &mt('all')) {
1744: if ($count >= $curr{'page'} * $curr{'show'}) {
1745: $more_records = 1;
1746: last;
1747: }
1748: }
1749: if ($curr{'action'} ne 'any') {
1750: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1751: }
1752: $count ++;
1753: next if ($count < $minshown);
1754: if (!$showntablehdr) {
1755: $r->print($tablehdr);
1756: $showntablehdr = 1;
1757: }
1758: my $symb = $log{$id}{'logentry'}{'symb'};
1759: my $slot_name = $log{$id}{'logentry'}{'slot'};
1760: my %slot=&Apache::lonnet::get_slot($slot_name);
1761: my $description = $slot{'description'};
1762: my $start = ($slot{'starttime'}?
1763: &Apache::lonlocal::locallocaltime($slot{'starttime'}):'');
1764: my $end = ($slot{'endtime'}?
1765: &Apache::lonlocal::locallocaltime($slot{'endtime'}):'');
1766: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1767: my $chgaction = $log{$id}{'logentry'}{'action'};
1768: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1769: $chgaction = $lt{$chgaction};
1770: }
1771: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$chgaction.'</td><td>'.$description.'</td><td>'.$start.'</td><td>'.$end.'</td><td>'.$title.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1772: }
1773: if ($showntablehdr) {
1774: $r->print(&Apache::loncommon::end_data_table().'<br />');
1775: if (($curr{'page'} > 1) || ($more_records)) {
1776: $r->print('<table><tr>');
1777: if ($curr{'page'} > 1) {
1778: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1779: }
1780: if ($more_records) {
1781: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1782: }
1783: $r->print('</tr></table>');
1784: $r->print(<<"ENDSCRIPT");
1785: <script type="text/javascript">
1786: function chgPage(caller) {
1787: if (caller == 'previous') {
1788: document.$formname.page.value --;
1789: }
1790: if (caller == 'next') {
1791: document.$formname.page.value ++;
1792: }
1793: document.$formname.submit();
1794: return;
1795: }
1796: </script>
1797: ENDSCRIPT
1798: }
1799: } else {
1800: $r->print('<span class="LC_info">'
1801: .&mt('There are no transactions to display.')
1802: .'</span>'
1803: );
1804: }
1805: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'."\n".
1806: '<input type="hidden" name="command" value="showresv" />'."\n");
1807: if ($env{'form.origin'} eq 'aboutme') {
1808: $r->print('<input type="hidden" name="origin" value="'.$env{'form.origin'}.'" />'."\n".
1809: '<input type="hidden" name="uname" value="'.$env{'form.uname'}.'" />'."\n".
1810: '<input type="hidden" name="udom" value="'.$env{'form.udom'}.'" />'."\n");
1811: }
1812: $r->print('</form>');
1813: return;
1814: }
1815:
1816: sub show_reservations_log {
1817: my ($r) = @_;
1818: my $badslot;
1819: my $crstype = &Apache::loncommon::course_type();
1820: if ($env{'form.slotname'} eq '') {
1821: $r->print('<div class="LC_warning">'.&mt('No slot name provided').'</div>');
1822: $badslot = 1;
1823: } else {
1824: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1825: if (keys(%slot) == 0) {
1826: $r->print('<div class="LC_warning">'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'</div>');
1827: $badslot = 1;
1828: } elsif ($slot{type} ne 'schedulable_student') {
1829: my $description = &get_description($env{'form.slotname'},\%slot);
1830: $r->print('<div class="LC_warning">');
1831: if ($crstype eq 'Community') {
1832: $r->print(&mt('Reservation history unavailable for non-member-reservable slot: [_1].',$description));
1833: } else {
1834: $r->print(&mt('Reservation history unavailable for non-student-reservable slot: [_1].',$description));
1835: }
1836: $r->print('</div>');
1837: $badslot = 1;
1838: }
1839: }
1840: if ($badslot) {
1841: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
1842: &mt('Return to slot list').'</a></p>');
1843: return;
1844: }
1845: my $formname = 'reservationslog';
1846: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1847: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1848: my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$cdom,$cnum);
1849: if ((keys(%slotlog))[0]=~/^error\:/) { undef(%slotlog); }
1850:
1851: my (%log,@allsymbs);
1852: if (keys(%slotlog)) {
1853: foreach my $key (keys(%slotlog)) {
1854: if (ref($slotlog{$key}) eq 'HASH') {
1855: if (ref($slotlog{$key}{'logentry'}) eq 'HASH') {
1856: if ($slotlog{$key}{'logentry'}{'slot'} eq $env{'form.slotname'}) {
1857: $log{$key} = $slotlog{$key};
1858: if ($slotlog{$key}{'logentry'}{'symb'} ne '') {
1859: push(@allsymbs,$slotlog{$key}{'logentry'}{'symb'});
1860: }
1861: }
1862: }
1863: }
1864: }
1865: }
1866:
1867: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1868: my %saveable_parameters = ('show' => 'scalar',);
1869: &Apache::loncommon::store_course_settings('reservationslog',
1870: \%saveable_parameters);
1871: &Apache::loncommon::restore_course_settings('reservationslog',
1872: \%saveable_parameters);
1873: # set defaults
1874: my $now = time();
1875: my $defstart = $now - (7*24*3600); #7 days ago
1876: my %defaults = (
1877: page => '1',
1878: show => '10',
1879: chgcontext => 'any',
1880: action => 'any',
1881: symb => 'any',
1882: log_start_date => $defstart,
1883: log_end_date => $now,
1884: );
1885: my $more_records = 0;
1886:
1887: # set current
1888: my %curr;
1889: foreach my $item ('show','page','chgcontext','action','symb') {
1890: $curr{$item} = $env{'form.'.$item};
1891: }
1892: my ($startdate,$enddate) =
1893: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1894: 'log_end_date');
1895: $curr{'log_start_date'} = $startdate;
1896: $curr{'log_end_date'} = $enddate;
1897: foreach my $key (keys(%defaults)) {
1898: if ($curr{$key} eq '') {
1899: $curr{$key} = $defaults{$key};
1900: }
1901: }
1902: my (%whodunit,%changed,$version);
1903: ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1904:
1905: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1906: my $description = $slot{'description'};
1907: $r->print('<span class="LC_fontsize_large">');
1908: if ($crstype eq 'Community') {
1909: $r->print(&mt('Reservation changes for member-reservable slot: [_1]',$description));
1910: } else {
1911: $r->print(&mt('Reservation changes for student-reservable slot: [_1]',$description));
1912: }
1913: $r->print('</span><br />');
1914: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs));
1915: my $showntablehdr = 0;
1916: my $tablehdr = &Apache::loncommon::start_data_table().
1917: &Apache::loncommon::start_data_table_header_row().
1918: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Who made the change').
1919: '</th><th>'.&mt('Affected User').'</th><th>'.&mt('Action').'</th>'.
1920: '<th>'.&mt('Resource').'</th><th>'.&mt('Context').'</th>'.
1921: &Apache::loncommon::end_data_table_header_row();
1922: my ($minshown,$maxshown);
1923: $minshown = 1;
1924: my $count = 0;
1925: if ($curr{'show'} ne &mt('all')) {
1926: $maxshown = $curr{'page'} * $curr{'show'};
1927: if ($curr{'page'} > 1) {
1928: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1929: }
1930: }
1931: my %lt = &reservationlog_contexts($crstype);
1932: my (%titles,%maptitles);
1933: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1934: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1935: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1936: if ($curr{'show'} ne &mt('all')) {
1937: if ($count >= $curr{'page'} * $curr{'show'}) {
1938: $more_records = 1;
1939: last;
1940: }
1941: }
1942: if ($curr{'chgcontext'} ne 'any') {
1943: if ($curr{'chgcontext'} eq 'user') {
1944: next if (($log{$id}{'logentry'}{'context'} ne 'user') &&
1945: ($log{$id}{'logentry'}{'context'} ne 'usermanage'));
1946: } else {
1947: next if ($log{$id}{'logentry'}{'context'} ne $curr{'chgcontext'});
1948: }
1949: }
1950: if ($curr{'action'} ne 'any') {
1951: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1952: }
1953: if ($curr{'symb'} ne 'any') {
1954: next if ($log{$id}{'logentry'}{'symb'} ne $curr{'symb'});
1955: }
1956: $count ++;
1957: next if ($count < $minshown);
1958: if (!$showntablehdr) {
1959: $r->print($tablehdr);
1960: $showntablehdr = 1;
1961: }
1962: if ($whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} eq '') {
1963: $whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} =
1964: &Apache::loncommon::plainname($log{$id}{'exe_uname'},$log{$id}{'exe_udom'});
1965: }
1966: if ($changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} eq '') {
1967: $changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} =
1968: &Apache::loncommon::plainname($log{$id}{'uname'},$log{$id}{'udom'});
1969: }
1970: my $symb = $log{$id}{'logentry'}{'symb'};
1971: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1972: my $chgcontext = $log{$id}{'logentry'}{'context'};
1973: if ($chgcontext ne '' && $lt{$chgcontext} ne '') {
1974: $chgcontext = $lt{$chgcontext};
1975: }
1976: my $chgaction = $log{$id}{'logentry'}{'action'};
1977: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1978: $chgaction = $lt{$chgaction};
1979: }
1980: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$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>'.$chgcontext.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1981: }
1982: if ($showntablehdr) {
1983: $r->print(&Apache::loncommon::end_data_table().'<br />');
1984: if (($curr{'page'} > 1) || ($more_records)) {
1985: $r->print('<table><tr>');
1986: if ($curr{'page'} > 1) {
1987: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1988: }
1989: if ($more_records) {
1990: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1991: }
1992: $r->print('</tr></table>');
1993: $r->print(<<"ENDSCRIPT");
1994: <script type="text/javascript">
1995: function chgPage(caller) {
1996: if (caller == 'previous') {
1997: document.$formname.page.value --;
1998: }
1999: if (caller == 'next') {
2000: document.$formname.page.value ++;
2001: }
2002: document.$formname.submit();
2003: return;
2004: }
2005: </script>
2006: ENDSCRIPT
2007: }
2008: } else {
2009: $r->print(&mt('There are no records to display.'));
2010: }
2011: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'.
2012: '<input type="hidden" name="slotname" value="'.$env{'form.slotname'}.'" />'.
2013: '<input type="hidden" name="command" value="slotlog" /></form>'.
2014: '<p><a href="/adm/slotrequest?command=showslots">'.
2015: &mt('Return to slot list').'</a></p>');
2016: return;
2017: }
2018:
2019: sub get_resource_title {
2020: my ($symb,$titles,$maptitles) = @_;
2021: my $title;
2022: if ((ref($titles) eq 'HASH') && (ref($maptitles) eq 'HASH')) {
2023: if (defined($titles->{$symb})) {
2024: $title = $titles->{$symb};
2025: } else {
2026: $title = &Apache::lonnet::gettitle($symb);
2027: my $maptitle;
2028: my ($mapurl) = &Apache::lonnet::decode_symb($symb);
2029: if (defined($maptitles->{$mapurl})) {
2030: $maptitle = $maptitles->{$mapurl};
2031: } else {
2032: if ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) {
2033: $maptitle=&mt('Main Course Documents');
2034: } else {
2035: $maptitle=&Apache::lonnet::gettitle($mapurl);
2036: }
2037: $maptitles->{$mapurl} = $maptitle;
2038: }
2039: if ($maptitle ne '') {
2040: $title .= ' '.&mt('(in [_1])',$maptitle);
2041: }
2042: $titles->{$symb} = $title;
2043: }
2044: } else {
2045: $title = $symb;
2046: }
2047: return $title;
2048: }
2049:
2050: sub reservationlog_contexts {
2051: my ($crstype) = @_;
2052: my %lt = &Apache::lonlocal::texthash (
2053: any => 'Any',
2054: user => 'By student',
2055: manage => 'Via Slot Manager',
2056: parameter => 'Via Parameter Manager',
2057: reserve => 'Made reservation',
2058: release => 'Dropped reservation',
2059: usermanage => 'By student',
2060: );
2061: if ($crstype eq 'Community') {
2062: $lt{'user'} = &mt('By member');
2063: $lt{'usermanage'} = $lt{'user'};
2064: }
2065: return %lt;
2066: }
2067:
2068: sub display_filter {
2069: my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_;
2070: my $nolink = 1;
2071: my (%titles,%maptitles);
2072: my $output = '<br /><table><tr><td valign="top">'.
2073: '<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
2074: &Apache::lonmeta::selectbox('show',$curr->{'show'},undef,
2075: (&mt('all'),5,10,20,50,100,1000,10000)).
2076: '</td><td> </td>';
2077: my $startform =
2078: &Apache::lonhtmlcommon::date_setter($formname,'log_start_date',
2079: $curr->{'log_start_date'},undef,
2080: undef,undef,undef,undef,undef,undef,$nolink);
2081: my $endform =
2082: &Apache::lonhtmlcommon::date_setter($formname,'log_end_date',
2083: $curr->{'log_end_date'},undef,
2084: undef,undef,undef,undef,undef,undef,$nolink);
2085: my $crstype = &Apache::loncommon::course_type();
2086: my %lt = &reservationlog_contexts($crstype);
2087: $output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
2088: '</b><br /><table><tr><td>'.&mt('After:').
2089: '</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
2090: $endform.'</td></tr></table></td><td> </td>';
2091: if (ref($allsymbs) eq 'ARRAY') {
2092: $output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
2093: '<select name="resource"><option value="any"';
2094: if ($curr->{'resource'} eq 'any') {
2095: $output .= ' selected="selected"';
2096: }
2097: $output .= '>'.&mt('Any').'</option>'."\n";
2098: foreach my $symb (@{$allsymbs}) {
2099: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2100: my $selstr = '';
2101: if ($curr->{'resource'} eq $symb) {
2102: $selstr = ' selected="selected"';
2103: }
2104: $output .= ' <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
2105: }
2106: $output .= '</select></td><td> </td><td valign="top"><b>'.
2107: &mt('Context:').'</b><br /><select name="chgcontext">';
2108: foreach my $chgtype ('any','user','manage','parameter') {
2109: my $selstr = '';
2110: if ($curr->{'chgcontext'} eq $chgtype) {
2111: $output .= $selstr = ' selected="selected"';
2112: }
2113: $output .= '<option value="'.$chgtype.'"'.$selstr.'>'.$lt{$chgtype}.'</option>'."\n";
2114: }
2115: $output .= '</select></td>';
2116: } else {
2117: $output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
2118: '<select name="action"><option value="any"';
2119: if ($curr->{'action'} eq 'any') {
2120: $output .= ' selected="selected"';
2121: }
2122: $output .= '>'.&mt('Any').'</option>'."\n";
2123: foreach my $actiontype ('reserve','release') {
2124: my $selstr = '';
2125: if ($curr->{'action'} eq $actiontype) {
2126: $output .= $selstr = ' selected="selected"';
2127: }
2128: $output .= '<option value="'.$actiontype.'"'.$selstr.'>'.$lt{$actiontype}.'</option>'."\n";
2129: }
2130: $output .= '</select></td>';
2131: }
2132: $output .= '<td> </td><td valign="middle"><input type="submit" value="'.
2133: &mt('Update Display').'" /></tr></table>'.
2134: '<p class="LC_info">'.
2135: &mt('Only changes made from servers running LON-CAPA [_1] or later are displayed.'
2136: ,'2.9.0');
2137: if ($version) {
2138: $output .= ' '.&mt('This LON-CAPA server is version [_1]',$version);
2139: }
2140: $output .= '</p><hr /><br />';
2141: return $output;
2142: }
2143:
2144: sub slot_change_messaging {
2145: my ($setting,$subject,$msg,$action) = @_;
2146: my $user = $env{'user.name'};
2147: my $domain = $env{'user.domain'};
2148: my ($message_status,$comment_status);
2149: if ($setting eq 'only_student'
2150: || $setting eq 'student_and_user_notes_screen') {
2151: $message_status =
2152: &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
2153: $message_status = '<li>'.&mt('Sent to you: [_1]',
2154: $message_status).' </li>';
2155: }
2156: if ($setting eq 'student_and_user_notes_screen') {
2157: $comment_status =
2158: &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
2159: $msg,$user,$domain);
2160: $comment_status = '<li>'.&mt('Entry added to course record (viewable by instructor): [_1]',
2161: $comment_status).'</li>';
2162: }
2163: if ($message_status || $comment_status) {
2164: my $msgtitle;
2165: if ($action eq 'reserve') {
2166: $msgtitle = &mt('Status of messages about saved reservation');
2167: } elsif ($action eq 'release') {
2168: $msgtitle = &mt('Status of messages about dropped reservation');
2169: } elsif ($action eq 'nochange') {
2170: $msgtitle = &mt('Status of messages about unchanged existing reservation');
2171: }
2172: return '<span class="LC_info">'.$msgtitle.'</span>'
2173: .'<ul>'
2174: .$message_status
2175: .$comment_status
2176: .'</ul><hr />';
2177: }
2178: }
2179:
2180: sub upload_start {
2181: my ($r)=@_;
2182: $r->print(
2183: &Apache::grades::checkforfile_js()
2184: .'<h3>'.&mt('Specify a file containing the slot definitions.').'</h3>'
2185: .'<form method="post" enctype="multipart/form-data"'
2186: .' action="/adm/slotrequest" name="slotupload">'
2187: .'<input type="hidden" name="command" value="csvuploadmap" />'
2188: .&Apache::lonhtmlcommon::start_pick_box()
2189: .&Apache::lonhtmlcommon::row_title(&mt('File'))
2190: .&Apache::loncommon::upfile_select_html()
2191: .&Apache::lonhtmlcommon::row_closure()
2192: .&Apache::lonhtmlcommon::row_title(
2193: '<label for="noFirstLine">'
2194: .&mt('Ignore First Line')
2195: .'</label>')
2196: .'<input type="checkbox" name="noFirstLine" id="noFirstLine" />'
2197: .&Apache::lonhtmlcommon::row_closure(1)
2198: .&Apache::lonhtmlcommon::end_pick_box()
2199: .'<p>'
2200: .'<input type="button" onclick="javascript:checkUpload(this.form);"'
2201: .' value="'.&mt('Next').'" />'
2202: .'</p>'
2203: .'</form>'
2204: );
2205: }
2206:
2207: sub csvuploadmap_header {
2208: my ($r,$datatoken,$distotal)= @_;
2209: my $javascript;
2210: if ($env{'form.upfile_associate'} eq 'reverse') {
2211: $javascript=&csvupload_javascript_reverse_associate();
2212: } else {
2213: $javascript=&csvupload_javascript_forward_associate();
2214: }
2215:
2216: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
2217: my $ignore=&mt('Ignore First Line');
2218: my $help_field = &Apache::loncommon::help_open_topic('Slot SelectingField');
2219:
2220: $r->print(<<ENDPICK);
2221: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
2222: <h3>Identify fields $help_field</h3>
2223: Total number of records found in file: $distotal <hr />
2224: Enter as many fields as you can. The system will inform you and bring you back
2225: to this page if the data selected is insufficient to create the slots.<hr />
2226: <input type="button" value="Reverse Association" onclick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
2227: <label><input type="checkbox" name="noFirstLine"$checked />$ignore</label>
2228: <input type="hidden" name="associate" value="" />
2229: <input type="hidden" name="datatoken" value="$datatoken" />
2230: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
2231: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
2232: <input type="hidden" name="upfile_associate"
2233: value="$env{'form.upfile_associate'}" />
2234: <input type="hidden" name="command" value="csvuploadassign" />
2235: <hr />
2236: <script type="text/javascript" language="Javascript">
2237: $javascript
2238: </script>
2239: ENDPICK
2240: return '';
2241:
2242: }
2243:
2244: sub csvuploadmap_footer {
2245: my ($request,$i,$keyfields) =@_;
2246: my $buttontext = &mt('Create Slots');
2247: $request->print(<<ENDPICK);
2248: </table>
2249: <input type="hidden" name="nfields" value="$i" />
2250: <input type="hidden" name="keyfields" value="$keyfields" />
2251: <input type="button" onclick="javascript:verify(this.form)" value="$buttontext" /><br />
2252: </form>
2253: ENDPICK
2254: }
2255:
2256: sub csvupload_javascript_reverse_associate {
2257: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2258: return(<<ENDPICK);
2259: function verify(vf) {
2260: var foundstart=0;
2261: var foundend=0;
2262: var foundname=0;
2263: var foundtype=0;
2264: for (i=0;i<=vf.nfields.value;i++) {
2265: tw=eval('vf.f'+i+'.selectedIndex');
2266: if (i==0 && tw!=0) { foundname=1; }
2267: if (i==1 && tw!=0) { foundtype=1; }
2268: if (i==2 && tw!=0) { foundstat=1; }
2269: if (i==3 && tw!=0) { foundend=1; }
2270: }
2271: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2272: alert('$error1');
2273: return;
2274: }
2275: vf.submit();
2276: }
2277: function flip(vf,tf) {
2278: }
2279: ENDPICK
2280: }
2281:
2282: sub csvupload_javascript_forward_associate {
2283: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2284: return(<<ENDPICK);
2285: function verify(vf) {
2286: var foundstart=0;
2287: var foundend=0;
2288: var foundname=0;
2289: var foundtype=0;
2290: for (i=0;i<=vf.nfields.value;i++) {
2291: tw=eval('vf.f'+i+'.selectedIndex');
2292: if (tw==1) { foundname=1; }
2293: if (tw==2) { foundtype=1; }
2294: if (tw==3) { foundstat=1; }
2295: if (tw==4) { foundend=1; }
2296: }
2297: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2298: alert('$error1');
2299: return;
2300: }
2301: vf.submit();
2302: }
2303: function flip(vf,tf) {
2304: }
2305: ENDPICK
2306: }
2307:
2308: sub csv_upload_map {
2309: my ($r)= @_;
2310:
2311: my $datatoken;
2312: if (!$env{'form.datatoken'}) {
2313: $datatoken=&Apache::loncommon::upfile_store($r);
2314: } else {
2315: $datatoken=$env{'form.datatoken'};
2316: &Apache::loncommon::load_tmp_file($r);
2317: }
2318: my @records=&Apache::loncommon::upfile_record_sep();
2319: if ($env{'form.noFirstLine'}) { shift(@records); }
2320: &csvuploadmap_header($r,$datatoken,$#records+1);
2321: my ($i,$keyfields);
2322: if (@records) {
2323: my @fields=&csvupload_fields();
2324:
2325: if ($env{'form.upfile_associate'} eq 'reverse') {
2326: &Apache::loncommon::csv_print_samples($r,\@records);
2327: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
2328: \@fields);
2329: foreach (@fields) { $keyfields.=$_->[0].','; }
2330: chop($keyfields);
2331: } else {
2332: unshift(@fields,['none','']);
2333: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
2334: \@fields);
2335: my %sone=&Apache::loncommon::record_sep($records[0]);
2336: $keyfields=join(',',sort(keys(%sone)));
2337: }
2338: }
2339: &csvuploadmap_footer($r,$i,$keyfields);
2340:
2341: return '';
2342: }
2343:
2344: sub csvupload_fields {
2345: return (['name','Slot name'],
2346: ['type','Type of slot'],
2347: ['starttime','Start Time of slot'],
2348: ['endtime','End Time of slot'],
2349: ['startreserve','Reservation Start Time'],
2350: ['reservationmsg','Message when reservation changed'],
2351: ['ip','IP or DNS restriction'],
2352: ['proctor','List of proctor ids'],
2353: ['description','Slot Description'],
2354: ['maxspace','Maximum number of reservations'],
2355: ['symb','Resource Restriction'],
2356: ['uniqueperiod','Date range of slot exclusion'],
2357: ['secret','Secret word proctor uses to validate'],
2358: ['allowedsections','Sections slot is restricted to'],
2359: ['allowedusers','Users slot is restricted to'],
2360: );
2361: }
2362:
2363: sub csv_upload_assign {
2364: my ($r,$mgr)= @_;
2365: &Apache::loncommon::load_tmp_file($r);
2366: my @slotdata = &Apache::loncommon::upfile_record_sep();
2367: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
2368: my %fields=&Apache::grades::get_fields();
2369: $r->print('<h3>'.&mt('Creating Slots').'</h3>');
2370: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
2371: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2372: my $countdone=0;
2373: my @errors;
2374: foreach my $slot (@slotdata) {
2375: my %slot;
2376: my %entries=&Apache::loncommon::record_sep($slot);
2377: my $domain;
2378: my $name=$entries{$fields{'name'}};
2379: if ($name=~/^\s*$/) {
2380: push(@errors,"Did not create slot with no name");
2381: next;
2382: }
2383: if ($name=~/\s/) {
2384: push(@errors,"$name not created -- Name must not contain spaces");
2385: next;
2386: }
2387: if ($name=~/\W/) {
2388: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
2389: next;
2390: }
2391: if ($entries{$fields{'type'}}) {
2392: $slot{'type'}=$entries{$fields{'type'}};
2393: } else {
2394: $slot{'type'}='preassigned';
2395: }
2396: if ($slot{'type'} ne 'preassigned' &&
2397: $slot{'type'} ne 'schedulable_student') {
2398: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
2399: next;
2400: }
2401: if ($entries{$fields{'starttime'}}) {
2402: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
2403: }
2404: if ($entries{$fields{'endtime'}}) {
2405: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
2406: }
2407:
2408: # start/endtime must be defined and greater than zero
2409: if (!$slot{'starttime'}) {
2410: push(@errors,"$name not created -- Invalid start time");
2411: next;
2412: }
2413: if (!$slot{'endtime'}) {
2414: push(@errors,"$name not created -- Invalid end time");
2415: next;
2416: }
2417: if ($slot{'starttime'} > $slot{'endtime'}) {
2418: push(@errors,"$name not created -- Slot starts after it ends");
2419: next;
2420: }
2421:
2422: if ($entries{$fields{'startreserve'}}) {
2423: $slot{'startreserve'}=
2424: &UnixDate($entries{$fields{'startreserve'}},"%s");
2425: }
2426: if (defined($slot{'startreserve'})
2427: && $slot{'startreserve'} > $slot{'starttime'}) {
2428: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
2429: next;
2430: }
2431:
2432: if ($slot{'type'} eq 'schedulable_student') {
2433: if ($entries{$fields{'reservationmsg'}}) {
2434: if (($entries{$fields{'reservationmsg'}} eq 'only_student') ||
2435: ($entries{$fields{'reservationmsg'}} eq 'student_and_user_notes_screen')) {
2436: $slot{'reservationmsg'}=$entries{$fields{'reservationmsg'}};
2437: } else {
2438: unless (($entries{$fields{'reservationmsg'}} eq 'none') ||
2439: ($entries{$fields{'reservationmsg'}} eq '')) {
2440: push(@errors,"$name -- Slot's reservationmsg setting ignored - not one of: 'only_student', 'student_and_user_notes_screen', 'none' or ''");
2441: }
2442: }
2443: }
2444: }
2445:
2446: foreach my $key ('ip','proctor','description','maxspace',
2447: 'secret','symb') {
2448: if ($entries{$fields{$key}}) {
2449: $slot{$key}=$entries{$fields{$key}};
2450: }
2451: }
2452:
2453: if ($entries{$fields{'uniqueperiod'}}) {
2454: my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
2455: my @times=(&UnixDate($start,"%s"),
2456: &UnixDate($end,"%s"));
2457: $slot{'uniqueperiod'}=\@times;
2458: }
2459: if (defined($slot{'uniqueperiod'})
2460: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
2461: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
2462: next;
2463: }
2464:
2465: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
2466: $r->print('.');
2467: $r->rflush();
2468: $countdone++;
2469: }
2470: $r->print('<p>'.&mt('Created [quant,_1,slot]',$countdone)."\n".'</p>');
2471: foreach my $error (@errors) {
2472: $r->print('<p><span class="LC_warning">'.$error.'</span></p>'."\n");
2473: }
2474: &show_table($r,$mgr);
2475: return '';
2476: }
2477:
2478: sub slot_command_titles {
2479: my %titles = (
2480: slotlog => 'Reservation Logs',
2481: showslots => 'Manage Slots',
2482: showresv => 'Reservation History',
2483: manageresv => 'Manage Reservations',
2484: uploadstart => 'Upload Slots File',
2485: csvuploadmap => 'Upload Slots File',
2486: csvuploadassign => 'Upload Slots File',
2487: delete => 'Slot Deletion',
2488: release => 'Reservation Result',
2489: remove_reservation => 'Remove Registration',
2490: get_reservation => 'Request Reservation',
2491: );
2492: return %titles;
2493: }
2494:
2495: sub slot_reservationmsg_options {
2496: my %options = &Apache::lonlocal::texthash (
2497: only_student => 'Sent to student',
2498: student_and_user_notes_screen => 'Sent to student and added to user notes',
2499: none => 'None sent and no record in user notes',
2500: );
2501: return %options;
2502: }
2503:
2504: sub handler {
2505: my $r=shift;
2506:
2507: &Apache::loncommon::content_type($r,'text/html');
2508: &Apache::loncommon::no_cache($r);
2509: if ($r->header_only()) {
2510: $r->send_http_header();
2511: return OK;
2512: }
2513:
2514: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
2515:
2516: my %crumb_titles = &slot_command_titles();
2517: my $brcrum;
2518:
2519: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
2520: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
2521: if ($env{'form.command'} eq 'showslots') {
2522: if (($vgr ne 'F') && ($mgr ne 'F')) {
2523: $env{'form.command'} = 'manageresv';
2524: }
2525: } elsif ($env{'form.command'} eq 'manageresv') {
2526: if (($vgr eq 'F') || ($mgr eq 'F')) {
2527: $env{'form.command'} = 'showslots';
2528: }
2529: }
2530: my $title='Requesting Another Worktime';
2531: if ($env{'form.command'} eq 'showresv') {
2532: $title = 'Reservation History';
2533: if ($env{'form.origin'} eq 'aboutme') {
2534: $brcrum =[{href=>"/adm/$env{'form.udom'}/$env{'form.uname'}/aboutme",text=>'Personal Information Page'}];
2535: } else {
2536: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>'Manage Reservations'}];
2537: }
2538: if (ref($brcrum) eq 'ARRAY') {
2539: push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title});
2540: }
2541: } elsif ($env{'form.command'} eq 'manageresv') {
2542: $title = 'Manage Reservations';
2543: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
2544: } elsif ($vgr eq 'F') {
2545: if ($env{'form.command'} =~ /^(slotlog|showslots|uploadstart|csvuploadmap|csvuploadassign|delete|release|remove_registration)$/) {
2546: $brcrum =[{href=>"/adm/slotrequest?command=showslots",
2547: text=>$crumb_titles{'showslots'}}];
2548: $title = 'Managing Slots';
2549: unless ($env{'form.command'} eq 'showslots') {
2550: if (ref($brcrum) eq 'ARRAY') {
2551: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2552: }
2553: }
2554: }
2555: } elsif ($env{'form.command'} eq 'release') {
2556: if ($env{'form.context'} eq 'usermanage') {
2557: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",
2558: text=>$crumb_titles{'showslots'}}];
2559: $title = 'Manage Reservations';
2560: if (ref($brcrum) eq 'ARRAY') {
2561: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2562: }
2563:
2564: }
2565: }
2566: &start_page($r,$title,$brcrum);
2567:
2568: if ($env{'form.command'} eq 'manageresv') {
2569: my $crstype = &Apache::loncommon::course_type();
2570: &manage_reservations($r,$crstype);
2571: } elsif ($env{'form.command'} eq 'showresv') {
2572: &show_reservations($r,$env{'form.uname'},$env{'form.udom'});
2573: } elsif ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
2574: &show_table($r,$mgr);
2575: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
2576: &remove_registration($r);
2577: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
2578: if ($env{'form.entry'} eq 'remove all') {
2579: &release_all_slot($r,$mgr);
2580: } else {
2581: &release_slot($r,undef,undef,undef,$mgr);
2582: }
2583: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
2584: &delete_slot($r);
2585: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
2586: &upload_start($r);
2587: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
2588: &csv_upload_map($r);
2589: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
2590: if ($env{'form.associate'} ne 'Reverse Association') {
2591: &csv_upload_assign($r,$mgr);
2592: } else {
2593: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
2594: $env{'form.upfile_associate'} = 'reverse';
2595: } else {
2596: $env{'form.upfile_associate'} = 'forward';
2597: }
2598: &csv_upload_map($r);
2599: }
2600: } elsif ($env{'form.command'} eq 'slotlog' && $mgr eq 'F') {
2601: &show_reservations_log($r);
2602: } else {
2603: my $symb=&unescape($env{'form.symb'});
2604: if (!defined($symb)) {
2605: &fail($r,'not_valid');
2606: return OK;
2607: }
2608: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
2609: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
2610: if ($useslots ne 'resource'
2611: && $useslots ne 'map'
2612: && $useslots ne 'map_map') {
2613: &fail($r,'not_available');
2614: return OK;
2615: }
2616: $env{'request.symb'}=$symb;
2617: my $type = ($res =~ /\.task$/) ? 'Task'
2618: : 'problem';
2619: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
2620: if ($status eq 'CAN_ANSWER' ||
2621: $status eq 'NEEDS_CHECKIN' ||
2622: $status eq 'WAITING_FOR_GRADE') {
2623: &fail($r,'not_allowed');
2624: return OK;
2625: }
2626: if ($env{'form.requestattempt'}) {
2627: &show_choices($r,$symb);
2628: } elsif ($env{'form.command'} eq 'release') {
2629: &release_slot($r,$symb);
2630: } elsif ($env{'form.command'} eq 'get') {
2631: &get_slot($r,$symb);
2632: } elsif ($env{'form.command'} eq 'change') {
2633: if ($env{'form.nochange'}) {
2634: my $slot_name = $env{'form.releaseslot'};
2635: my @slots = &check_for_reservation($symb,'allslots');
2636: my $msg;
2637: if (($slot_name ne '') && (grep(/^\Q$slot_name\E/,@slots))) {
2638: my %slot=&Apache::lonnet::get_slot($env{'form.releaseslot'});
2639: my $description=&get_description($slot_name,\%slot);
2640: $msg = '<span style="font-weight: bold;">'.
2641: &mt('Unchanged reservation: [_1]',$description).'</span><br /><br />';
2642: my $person =
2643: &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
2644: my $subject = &mt('Reservation unchanged: [_1]',$description);
2645: my $msgbody = &mt('No change to existing registration by [_1] for [_2].',$person,$description);
2646: $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'nochange');
2647: } else {
2648: $msg = '<span class="LC_warning">'.&mt('Reservation no longer reported as available.').'</span>';
2649: }
2650: $r->print($msg);
2651: &return_link($r);
2652: } elsif (&get_slot($r,$symb,$env{'form.releaseslot'},1)) {
2653: &release_slot($r,$symb,$env{'form.releaseslot'});
2654: }
2655: } else {
2656: $r->print('<p>'.&mt('Unknown command: [_1]',$env{'form.command'}).'</p>');
2657: }
2658: }
2659: &end_page($r);
2660: return OK;
2661: }
2662:
2663: 1;
2664: __END__
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