1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.99 2009/06/30 15:03:28 bisitz 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: $msg = &mt('Released Reservation: [_1]',$description);
566: }
567: return (1,$msg);
568: }
569:
570: sub delete_slot {
571: my ($r)=@_;
572:
573: my $slot_name = $env{'form.slotname'};
574: my %slot=&Apache::lonnet::get_slot($slot_name);
575:
576: my ($cnum,$cdom)=&get_course();
577: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
578: "^$slot_name\0");
579: my ($tmp) = %consumed;
580: if ($tmp =~ /error: 2/) { undef(%consumed); }
581:
582: if (%slot && !%consumed) {
583: $slot{'type'} = 'deleted';
584: my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
585: $cdom, $cnum);
586: if ($ret eq 'ok') {
587: $r->print('<p>'.&mt('Slot [_1] marked as deleted.','<tt>'.$slot_name.'</tt>').'</p>');
588: } else {
589: $r->print('<p><span class="LC_error">'.&mt('An error occurred when attempting to delete slot: [_1]','<tt>'.$slot_name.'</tt>')." ($ret)</span></p>");
590: }
591: } else {
592: if (%consumed) {
593: $r->print('<p>'.&mt('Slot [_1] has active reservations.','<tt>'.$slot_name.'</tt>').'</p>');
594: } else {
595: $r->print('<p>'.&mt('Slot [_1] does not exist.','<tt>'.$slot_name.'</tt>').'</p>');
596: }
597: }
598: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
599: &mt('Return to slot list').'</a></p>');
600: &return_link($r);
601: }
602:
603: sub return_link {
604: my ($r) = @_;
605: if (($env{'form.command'} eq 'manageresv') || ($env{'form.context'} eq 'usermanage')) {
606: $r->print('<p><a href="/adm/slotrequest?command=manageresv">'.
607: &mt('Return to reservations'));
608: } else {
609: $r->print('<p><a href="/adm/flip?postdata=return:">'.
610: &mt('Return to last resource').'</a></p>');
611: }
612: }
613:
614: sub get_slot {
615: my ($r,$symb,$conflictable_slot,$inhibit_return_link)=@_;
616:
617: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
618: my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
619:
620: if ($slot_name =~ /^error: (.*)/) {
621: $r->print('<p><span class="LC_error">'
622: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
623: .'</span></p>');
624: &return_link($r);
625: return 0;
626: }
627: if ($slot_name && $slot_name ne $conflictable_slot) {
628: my %slot=&Apache::lonnet::get_slot($slot_name);
629: my $description1=&get_description($slot_name,\%slot);
630: %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
631: my $description2=&get_description($env{'form.slotname'},\%slot);
632: $r->print('<p>'.&mt('Already have a reservation: [_1].',$description1).'</p>');
633: if ($slot_name ne $env{'form.slotname'}) {
634: $r->print(<<STUFF);
635: <form method="post" action="/adm/slotrequest">
636: <input type="hidden" name="symb" value="$env{'form.symb'}" />
637: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
638: <input type="hidden" name="releaseslot" value="$slot_name" />
639: <input type="hidden" name="command" value="change" />
640: STUFF
641: $r->print('<p>'
642: .&mt('You can either [_1]Change[_2] your reservation from [_3] to [_4] or'
643: ,'<input type="submit" name="change" value="'
644: ,'" />'
645: ,'<b>'.$description1.'</b>'
646: ,'<b>'.$description2.'</b>')
647: .'<br /></p>'
648: );
649: &return_link($r);
650: $r->print(<<STUFF);
651: </form>
652: STUFF
653: } else {
654: &return_link($r);
655: }
656: return 0;
657: }
658:
659: my ($cnum,$cdom)=&get_course();
660: my $reserved=&make_reservation($env{'form.slotname'},
661: \%slot,$symb,$cnum,$cdom);
662: my $description=&get_description($env{'form.slotname'},\%slot);
663: if (defined($reserved)) {
664: my $retvalue = 0;
665: if ($slot_name =~ /^error: (.*)/) {
666: $r->print('<p><span class="LC_error">'
667: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
668: .'</span></p>');
669: } elsif ($reserved > -1) {
670: $r->print('<p>'.&mt('Success: [_1]',$description).'</p>');
671: $retvalue = 1;
672: } elsif ($reserved < 0) {
673: $r->print('<p>'.&mt('Already reserved: [_1]',$description).'</p>');
674: }
675: if (!$inhibit_return_link) { &return_link($r); }
676: return 1;
677: }
678:
679: my %lt = &Apache::lonlocal::texthash(
680: 'request' => 'Availibility list',
681: 'try' => 'Try again?',
682: 'or' => 'or',
683: );
684:
685: my $extra_input;
686: if ($conflictable_slot) {
687: $extra_input='<input type="hidden" name="releaseslot" value="'.$env{'form.slotname'}.'" />';
688: }
689:
690: $r->print('<p>'.&mt('[_1]Failed[_2] to reserve a slot for [_3].','<span class="LC_warning">','</span>',$description).'</p>');
691: $r->print(<<STUFF);
692: <p>
693: <form method="post" action="/adm/slotrequest">
694: <input type="submit" name="Try Again" value="$lt{'try'}" />
695: <input type="hidden" name="symb" value="$env{'form.symb'}" />
696: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
697: <input type="hidden" name="command" value="$env{'form.command'}" />
698: $extra_input
699: </form>
700: </p>
701: <p>
702: $lt{'or'}
703: <form method="post" action="/adm/slotrequest">
704: <input type="hidden" name="symb" value="$env{'form.symb'}" />
705: <input type="submit" name="requestattempt" value="$lt{'request'}" />
706: </form>
707: STUFF
708:
709: if (!$inhibit_return_link) {
710: $r->print(&mt('or').'</p>');
711: &return_link($r);
712: } else {
713: $r->print('</p>');
714: }
715: return 0;
716: }
717:
718: sub allowed_slot {
719: my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods)=@_;
720:
721: #already started
722: if ($slot->{'starttime'} < time) {
723: return 0;
724: }
725: &Apache::lonxml::debug("$slot_name starttime good");
726:
727: #already ended
728: if ($slot->{'endtime'} < time) {
729: return 0;
730: }
731: &Apache::lonxml::debug("$slot_name endtime good");
732:
733: # not allowed to pick this one
734: if (defined($slot->{'type'})
735: && $slot->{'type'} ne 'schedulable_student') {
736: return 0;
737: }
738: &Apache::lonxml::debug("$slot_name type good");
739:
740: # reserve time not yet started
741: if ($slot->{'startreserve'} > time) {
742: return 0;
743: }
744: &Apache::lonxml::debug("$slot_name reserve good");
745:
746: my $userallowed=0;
747: # its for a different set of users
748: if (defined($slot->{'allowedsections'})) {
749: if (!defined($env{'request.role.sec'})
750: && grep(/^No section assigned$/,
751: split(',',$slot->{'allowedsections'}))) {
752: $userallowed=1;
753: }
754: if (defined($env{'request.role.sec'})
755: && grep(/^\Q$env{'request.role.sec'}\E$/,
756: split(',',$slot->{'allowedsections'}))) {
757: $userallowed=1;
758: }
759: if (defined($env{'request.course.groups'})) {
760: my @groups = split(/:/,$env{'request.course.groups'});
761: my @allowed_sec = split(',',$slot->{'allowedsections'});
762: foreach my $group (@groups) {
763: if (grep {$_ eq $group} (@allowed_sec)) {
764: $userallowed=1;
765: last;
766: }
767: }
768: }
769: }
770: &Apache::lonxml::debug("$slot_name sections is $userallowed");
771:
772: # its for a different set of users
773: if (defined($slot->{'allowedusers'})
774: && grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
775: split(',',$slot->{'allowedusers'}))) {
776: $userallowed=1;
777: }
778:
779: if (!defined($slot->{'allowedusers'})
780: && !defined($slot->{'allowedsections'})) {
781: $userallowed=1;
782: }
783:
784: &Apache::lonxml::debug("$slot_name user is $userallowed");
785: return 0 if (!$userallowed);
786:
787: # not allowed for this resource
788: if (defined($slot->{'symb'})
789: && $slot->{'symb'} ne $symb) {
790: return 0;
791: }
792:
793: my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
794: $consumed_uniqueperiods);
795: if ($conflict =~ /^error: /) {
796: return 0;
797: } elsif ($conflict ne '') {
798: if ($slots->{$conflict}{'starttime'} < time) {
799: return 0;
800: }
801: }
802: &Apache::lonxml::debug("$slot_name symb good");
803: return 1;
804: }
805:
806: sub get_description {
807: my ($slot_name,$slot)=@_;
808: my $description=$slot->{'description'};
809: if (!defined($description)) {
810: $description=&mt('[_1] From [_2] to [_3]',$slot_name,
811: &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
812: &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
813: }
814: return $description;
815: }
816:
817: sub show_choices {
818: my ($r,$symb,$formname)=@_;
819:
820: my ($cnum,$cdom)=&get_course();
821: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
822: my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
823: if (ref($consumed_uniqueperiods) eq 'HASH') {
824: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
825: $r->print('<span class="LC_error">'.
826: &mt('An error occurred determining slot availability').
827: '</span>');
828: return;
829: }
830: } elsif ($consumed_uniqueperiods =~ /^error: /) {
831: $r->print('<span class="LC_error">'.
832: &mt('An error occurred determining slot availability').
833: '</span>');
834: return;
835: }
836: my (@available,$output);
837: &Apache::lonxml::debug("Checking Slots");
838: my @got_slots=&check_for_reservation($symb,'allslots');
839: if ($got_slots[0] =~ /^error: /) {
840: $r->print('<span class="LC_error">'.
841: &mt('An error occurred determining slot availability').
842: '</span>');
843: return;
844: }
845: foreach my $slot (sort
846: { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
847: (keys(%slots))) {
848:
849: &Apache::lonxml::debug("Checking Slot $slot");
850: next if (!&allowed_slot($slot,$slots{$slot},undef,\%slots,
851: $consumed_uniqueperiods));
852:
853: push(@available,$slot);
854: }
855: if (!@available) {
856: $output = &mt('No available times.');
857: if ($env{'form.command'} ne 'manageresv') {
858: $output .= ' <a href="/adm/flip?postdata=return:">'.
859: &mt('Return to last resource').'</a>';
860: }
861: $r->print($output);
862: return;
863: }
864: if ($env{'form.command'} eq 'manageresv') {
865: $output = '<table border="0">';
866: } else {
867: $output = &Apache::loncommon::start_data_table();
868: }
869: foreach my $slot (@available) {
870: my $description=&get_description($slot,$slots{$slot});
871: my $form;
872: if ((grep(/^\Q$slot\E$/,@got_slots)) ||
873: &space_available($slot,$slots{$slot},$symb)) {
874: my $text=&mt('Select');
875: my $command='get';
876: if (grep(/^\Q$slot\E$/,@got_slots)) {
877: $text=&mt('Drop Reservation');
878: $command='release';
879: } else {
880: my $conflict = &check_for_conflict($symb,$slot,$slots{$slot},
881: \%slots,
882: $consumed_uniqueperiods);
883: if ($conflict) {
884: if ($conflict =~ /^error: /) {
885: $form = '<span class="LC_error">'.
886: &mt('Slot: [_1] has unknown status.',$description).
887: '</span>';
888: } else {
889: $text=&mt('Change Reservation');
890: $command='get';
891: }
892: }
893: }
894: my $escsymb=&escape($symb);
895: if (!$form) {
896: if ($formname) {
897: $formname = 'name="'.$formname.'" ';
898: }
899: my $context = 'user';
900: if ($env{'form.command'} eq 'manageresv') {
901: $context = 'usermanage';
902: }
903: $form=<<STUFF;
904: <form method="post" action="/adm/slotrequest" $formname>
905: <input type="submit" name="Select" value="$text" />
906: <input type="hidden" name="symb" value="$escsymb" />
907: <input type="hidden" name="slotname" value="$slot" />
908: <input type="hidden" name="command" value="$command" />
909: <input type="hidden" name="context" value="$context" />
910: </form>
911: STUFF
912: }
913: } else {
914: $form = &mt('Unavailable');
915: }
916: if ($env{'form.command'} eq 'manageresv') {
917: $output .= '<tr>';
918: } else {
919: $output .= &Apache::loncommon::start_data_table_row();
920: }
921: $output .= "
922: <td>$form</td>
923: <td>$description</td>\n";
924: if ($env{'form.command'} eq 'manageresv') {
925: $output .= '</tr>';
926: } else {
927: $output .= &Apache::loncommon::end_data_table_row();
928: }
929: }
930: if ($env{'form.command'} eq 'manageresv') {
931: $output .= '</table>';
932: } else {
933: $output .= &Apache::loncommon::end_data_table();
934: }
935: $r->print($output);
936: }
937:
938: sub to_show {
939: my ($slotname,$slot,$when,$deleted,$name) = @_;
940: my $time=time;
941: my $week=60*60*24*7;
942:
943: if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
944: return 0;
945: }
946:
947: if ($name && $name->{'value'} =~ /\w/) {
948: if ($name->{'type'} eq 'substring') {
949: if ($slotname !~ /\Q$name->{'value'}\E/) {
950: return 0;
951: }
952: }
953: if ($name->{'type'} eq 'exact') {
954: if ($slotname eq $name->{'value'}) {
955: return 0;
956: }
957: }
958: }
959:
960: if ($when eq 'any') {
961: return 1;
962: } elsif ($when eq 'now') {
963: if ($time > $slot->{'starttime'} &&
964: $time < $slot->{'endtime'}) {
965: return 1;
966: }
967: return 0;
968: } elsif ($when eq 'nextweek') {
969: if ( ($time < $slot->{'starttime'} &&
970: ($time+$week) > $slot->{'starttime'})
971: ||
972: ($time < $slot->{'endtime'} &&
973: ($time+$week) > $slot->{'endtime'}) ) {
974: return 1;
975: }
976: return 0;
977: } elsif ($when eq 'lastweek') {
978: if ( ($time > $slot->{'starttime'} &&
979: ($time-$week) < $slot->{'starttime'})
980: ||
981: ($time > $slot->{'endtime'} &&
982: ($time-$week) < $slot->{'endtime'}) ) {
983: return 1;
984: }
985: return 0;
986: } elsif ($when eq 'willopen') {
987: if ($time < $slot->{'starttime'}) {
988: return 1;
989: }
990: return 0;
991: } elsif ($when eq 'wereopen') {
992: if ($time > $slot->{'endtime'}) {
993: return 1;
994: }
995: return 0;
996: }
997:
998: return 1;
999: }
1000:
1001: sub remove_link {
1002: my ($slotname,$entry,$uname,$udom,$symb) = @_;
1003:
1004: my $remove = &mt('Remove');
1005:
1006: if ($entry eq 'remove all') {
1007: $remove = &mt('Remove All');
1008: undef($uname);
1009: undef($udom);
1010: }
1011:
1012: $slotname = &escape($slotname);
1013: $entry = &escape($entry);
1014: $uname = &escape($uname);
1015: $udom = &escape($udom);
1016: $symb = &escape($symb);
1017:
1018: return <<"END_LINK";
1019: <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb&context=manage"
1020: >($remove)</a>
1021: END_LINK
1022:
1023: }
1024:
1025: sub show_table {
1026: my ($r,$mgr)=@_;
1027:
1028: my ($cnum,$cdom)=&get_course();
1029: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1030: if ( (keys(%slots))[0] =~ /^error: 2 /) {
1031: undef(%slots);
1032: }
1033: my $available;
1034: if ($mgr eq 'F') {
1035: # FIXME: This line should be deleted once Slots uses breadcrumbs
1036: $r->print(&Apache::loncommon::help_open_topic('Slot About', 'Help on slots'));
1037:
1038: $r->print('<div>');
1039: $r->print('<form method="post" action="/adm/slotrequest">
1040: <input type="hidden" name="command" value="uploadstart" />
1041: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
1042: </form>');
1043: $r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited'));
1044: $r->print('<form method="post" action="/adm/helper/newslot.helper">
1045: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
1046: </form>');
1047: $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface'));
1048: $r->print('</div>');
1049: }
1050:
1051: if (!keys(%slots)) {
1052: $r->print('<div>'.&mt('No slots have been created in this course.').'</div>');
1053: return;
1054: }
1055:
1056: my %Saveable_Parameters = ('show' => 'array',
1057: 'when' => 'scalar',
1058: 'order' => 'scalar',
1059: 'deleted' => 'scalar',
1060: 'name_filter_type' => 'scalar',
1061: 'name_filter_value' => 'scalar',
1062: );
1063: &Apache::loncommon::store_course_settings('slotrequest',
1064: \%Saveable_Parameters);
1065: &Apache::loncommon::restore_course_settings('slotrequest',
1066: \%Saveable_Parameters);
1067: &Apache::grades::init_perm();
1068: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
1069: &Apache::grades::reset_perm();
1070:
1071: # what to display filtering
1072: my %show_fields=&Apache::lonlocal::texthash(
1073: 'name' => 'Slot Name',
1074: 'description' => 'Description',
1075: 'type' => 'Type',
1076: 'starttime' => 'Start time',
1077: 'endtime' => 'End Time',
1078: 'startreserve' => 'Time students can start reserving',
1079: 'secret' => 'Secret Word',
1080: 'space' => '# of students/max',
1081: 'ip' => 'IP or DNS restrictions',
1082: 'symb' => 'Resource slot is restricted to.',
1083: 'allowedsections' => 'Sections slot is restricted to.',
1084: 'allowedusers' => 'Users slot is restricted to.',
1085: 'uniqueperiod' => 'Period of time slot is unique',
1086: 'scheduled' => 'Scheduled Students',
1087: 'proctor' => 'List of proctors');
1088: my @show_order=('name','description','type','starttime','endtime',
1089: 'startreserve','secret','space','ip','symb',
1090: 'allowedsections','allowedusers','uniqueperiod',
1091: 'scheduled','proctor');
1092: my @show =
1093: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
1094: : keys(%show_fields);
1095: my %show = map { $_ => 1 } (@show);
1096:
1097: #when filtering setup
1098: my %when_fields=&Apache::lonlocal::texthash(
1099: 'now' => 'Open now',
1100: 'nextweek' => 'Open within the next week',
1101: 'lastweek' => 'Were open last week',
1102: 'willopen' => 'Will open later',
1103: 'wereopen' => 'Were open',
1104: 'any' => 'Anytime',
1105: );
1106: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
1107: $when_fields{'select_form_order'} = \@when_order;
1108: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
1109: : 'now';
1110:
1111: #display of students setup
1112: my %stu_display_fields=
1113: &Apache::lonlocal::texthash('username' => 'User name',
1114: 'fullname' => 'Full name',
1115: );
1116: my @stu_display_order=('fullname','username');
1117: my @stu_display =
1118: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
1119: : keys(%stu_display_fields);
1120: my %stu_display = map { $_ => 1 } (@stu_display);
1121:
1122: #name filtering setup
1123: my %name_filter_type_fields=
1124: &Apache::lonlocal::texthash('substring' => 'Substring',
1125: 'exact' => 'Exact',
1126: #'reg' => 'Regular Expression',
1127: );
1128: my @name_filter_type_order=('substring','exact');
1129:
1130: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
1131: my $name_filter_type =
1132: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
1133: : 'substring';
1134: my $name_filter = {'type' => $name_filter_type,
1135: 'value' => $env{'form.name_filter_value'},};
1136:
1137:
1138: #deleted slot filtering
1139: #default to hide if no value
1140: $env{'form.deleted'} ||= 'hide';
1141: my $hide_radio =
1142: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
1143: my $show_radio =
1144: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
1145:
1146: $r->print('<form method="post" action="/adm/slotrequest">
1147: <input type="hidden" name="command" value="showslots" />');
1148: $r->print('<div>');
1149: $r->print('<table class="inline">
1150: <tr><th>'.&mt('Show').'</th>
1151: <th>'.&mt('Student Display').'</th>
1152: <th>'.&mt('Open').'</th>
1153: <th>'.&mt('Slot Name Filter').'</th>
1154: <th>'.&mt('Options').'</th>
1155: </tr>
1156: <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1157: '</td>
1158: <td valign="top">
1159: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1160: 6,\%stu_display_fields,
1161: \@stu_display_order).'
1162: </td>
1163: <td valign="top">'.&Apache::loncommon::select_form($when,'when',%when_fields).
1164: '</td>
1165: <td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
1166: 'name_filter_type',
1167: %name_filter_type_fields).
1168: '<br />'.
1169: &Apache::lonhtmlcommon::textbox('name_filter_value',
1170: $env{'form.name_filter_value'},
1171: 15).
1172: '</td>
1173: <td valign="top">
1174: <table>
1175: <tr>
1176: <td rowspan="2">Deleted slots:</td>
1177: <td><label>'.$show_radio.'Show</label></td>
1178: </tr>
1179: <tr>
1180: <td><label>'.$hide_radio.'Hide</label></td>
1181: </tr>
1182: </table>
1183: </td>
1184: </tr>
1185: </table>');
1186: $r->print('</div>');
1187: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1188: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1189: $r->print(&Apache::loncommon::start_data_table().
1190: &Apache::loncommon::start_data_table_header_row().'
1191: <th></th>');
1192: foreach my $which (@show_order) {
1193: if ($which ne 'proctor' && exists($show{$which})) {
1194: $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1195: }
1196: }
1197: $r->print(&Apache::loncommon::end_data_table_header_row());
1198:
1199: my %name_cache;
1200: my $slotsort = sub {
1201: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|ip|symb|allowedsections|allowedusers)$/) {
1202: if (lc($slots{$a}->{$env{'form.order'}})
1203: ne lc($slots{$b}->{$env{'form.order'}})) {
1204: return (lc($slots{$a}->{$env{'form.order'}})
1205: cmp lc($slots{$b}->{$env{'form.order'}}));
1206: }
1207: } elsif ($env{'form.order'} eq 'space') {
1208: if ($slots{$a}{'maxspace'} ne $slots{$b}{'maxspace'}) {
1209: return ($slots{$a}{'maxspace'} cmp $slots{$b}{'maxspace'});
1210: }
1211: } elsif ($env{'form.order'} eq 'name') {
1212: if (lc($a) cmp lc($b)) {
1213: return lc($a) cmp lc($b);
1214: }
1215: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1216:
1217: if ($slots{$a}->{'uniqueperiod'}[0]
1218: ne $slots{$b}->{'uniqueperiod'}[0]) {
1219: return ($slots{$a}->{'uniqueperiod'}[0]
1220: cmp $slots{$b}->{'uniqueperiod'}[0]);
1221: }
1222: if ($slots{$a}->{'uniqueperiod'}[1]
1223: ne $slots{$b}->{'uniqueperiod'}[1]) {
1224: return ($slots{$a}->{'uniqueperiod'}[1]
1225: cmp $slots{$b}->{'uniqueperiod'}[1]);
1226: }
1227: }
1228: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1229: };
1230:
1231: my %consumed;
1232: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1233: %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum);
1234: my ($tmp)=%consumed;
1235: if ($tmp =~ /^error: /) { undef(%consumed); }
1236: }
1237:
1238: foreach my $slot (sort $slotsort (keys(%slots))) {
1239: if (!&to_show($slot,$slots{$slot},$when,
1240: $env{'form.deleted'},$name_filter)) { next; }
1241: if (defined($slots{$slot}->{'type'})
1242: && $slots{$slot}->{'type'} ne 'schedulable_student') {
1243: #next;
1244: }
1245: my $description=&get_description($slot,$slots{$slot});
1246: my ($id_count,$ids);
1247:
1248: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1249: my $re_str = "$slot\0";
1250: my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed));
1251: $id_count = scalar(@this_slot);
1252: if (exists($show{'scheduled'})) {
1253: foreach my $entry (sort { $consumed{$a}{name} cmp
1254: $consumed{$b}{name} }
1255: (@this_slot)) {
1256: my (undef,$id)=split("\0",$entry);
1257: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1258: $ids.= '<span class="LC_nobreak">';
1259: foreach my $item (@stu_display_order) {
1260: if ($stu_display{$item}) {
1261: if ($item eq 'fullname') {
1262: $ids.=$fullname->{"$uname:$udom"}.' ';
1263: } elsif ($item eq 'username') {
1264: $ids.="<tt>$uname:$udom</tt> ";
1265: }
1266: }
1267: }
1268: $ids.=&remove_link($slot,$entry,$uname,$udom,
1269: $consumed{$entry}{'symb'}).'</span><br />';
1270: }
1271: }
1272: }
1273:
1274: my $start=($slots{$slot}->{'starttime'}?
1275: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1276: my $end=($slots{$slot}->{'endtime'}?
1277: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1278: my $start_reserve=($slots{$slot}->{'startreserve'}?
1279: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1280:
1281: my $unique;
1282: if (ref($slots{$slot}{'uniqueperiod'})) {
1283: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1284: localtime($slots{$slot}{'uniqueperiod'}[1]);
1285: }
1286:
1287: my $title;
1288: if (exists($slots{$slot}{'symb'})) {
1289: my (undef,undef,$res)=
1290: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1291: $res = &Apache::lonnet::clutter($res);
1292: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1293: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1294: }
1295:
1296: my $allowedsections;
1297: if (exists($show{'allowedsections'})) {
1298: $allowedsections =
1299: join(', ',sort(split(/\s*,\s*/,
1300: $slots{$slot}->{'allowedsections'})));
1301: }
1302:
1303: my @allowedusers;
1304: if (exists($show{'allowedusers'})) {
1305: @allowedusers= map {
1306: my ($uname,$udom)=split(/:/,$_);
1307: my $fullname=$name_cache{$_};
1308: if (!defined($fullname)) {
1309: $fullname = &Apache::loncommon::plainname($uname,$udom);
1310: $fullname =~s/\s/ /g;
1311: $name_cache{$_} = $fullname;
1312: }
1313: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1314: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1315: }
1316: my $allowedusers=join(', ',@allowedusers);
1317:
1318: my @proctors;
1319: my $rowspan=1;
1320: my $colspan=1;
1321: if (exists($show{'proctor'})) {
1322: $rowspan=2;
1323: @proctors= map {
1324: my ($uname,$udom)=split(/:/,$_);
1325: my $fullname=$name_cache{$_};
1326: if (!defined($fullname)) {
1327: $fullname = &Apache::loncommon::plainname($uname,$udom);
1328: $fullname =~s/\s/ /g;
1329: $name_cache{$_} = $fullname;
1330: }
1331: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1332: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1333: }
1334: my $proctors=join(', ',@proctors);
1335:
1336: my %lt = &Apache::lonlocal::texthash (
1337: edit => 'Edit',
1338: delete => 'Delete',
1339: slotlog => 'History',
1340: );
1341: my $edit=(<<"EDITLINK");
1342: <a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
1343: EDITLINK
1344:
1345: my $delete=(<<"DELETELINK");
1346: <a href="/adm/slotrequest?command=delete&slotname=$slot">$lt{'delete'}</a>
1347: DELETELINK
1348:
1349: my $showlog=(<<"LOGLINK");
1350: <a href="/adm/slotrequest?command=slotlog&slotname=$slot">$lt{'slotlog'}</a>
1351: LOGLINK
1352:
1353: my $remove_all=&remove_link($slot,'remove all').'<br />';
1354:
1355: if ($ids eq '') {
1356: undef($remove_all);
1357: } else {
1358: undef($delete);
1359: }
1360: if ($slots{$slot}{'type'} ne 'schedulable_student') {
1361: undef($showlog);
1362: undef($remove_all);
1363: }
1364:
1365: my $row_start=&Apache::loncommon::start_data_table_row();
1366: my $row_end=&Apache::loncommon::end_data_table_row();
1367: $r->print($row_start.
1368: "\n<td rowspan=\"$rowspan\">$edit $delete $showlog</td>\n");
1369: if (exists($show{'name'})) {
1370: $colspan++;$r->print("<td>$slot</td>");
1371: }
1372: if (exists($show{'description'})) {
1373: $colspan++;$r->print("<td>$description</td>\n");
1374: }
1375: if (exists($show{'type'})) {
1376: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1377: }
1378: if (exists($show{'starttime'})) {
1379: $colspan++;$r->print("<td>$start</td>\n");
1380: }
1381: if (exists($show{'endtime'})) {
1382: $colspan++;$r->print("<td>$end</td>\n");
1383: }
1384: if (exists($show{'startreserve'})) {
1385: $colspan++;$r->print("<td>$start_reserve</td>\n");
1386: }
1387: if (exists($show{'secret'})) {
1388: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1389: }
1390: if (exists($show{'space'})) {
1391: my $display = $id_count;
1392: if ($slots{$slot}{'maxspace'}>0) {
1393: $display.='/'.$slots{$slot}{'maxspace'};
1394: if ($slots{$slot}{'maxspace'} <= $id_count) {
1395: $display = '<strong>'.$display.' (full) </strong>';
1396: }
1397: }
1398: $colspan++;$r->print("<td>$display</td>\n");
1399: }
1400: if (exists($show{'ip'})) {
1401: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1402: }
1403: if (exists($show{'symb'})) {
1404: $colspan++;$r->print("<td>$title</td>\n");
1405: }
1406: if (exists($show{'allowedsections'})) {
1407: $colspan++;$r->print("<td>$allowedsections</td>\n");
1408: }
1409: if (exists($show{'allowedusers'})) {
1410: $colspan++;$r->print("<td>$allowedusers</td>\n");
1411: }
1412: if (exists($show{'uniqueperiod'})) {
1413: $colspan++;$r->print("<td>$unique</td>\n");
1414: }
1415: if (exists($show{'scheduled'})) {
1416: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1417: }
1418: $r->print("$row_end\n");
1419: if (exists($show{'proctor'})) {
1420: $r->print(<<STUFF);
1421: $row_start
1422: <td colspan="$colspan">$proctors</td>
1423: $row_end
1424: STUFF
1425: }
1426: }
1427: $r->print(&Apache::loncommon::end_data_table().'</form>');
1428: return;
1429: }
1430:
1431: sub manage_reservations {
1432: my ($r,$type) = @_;
1433: my $navmap = Apache::lonnavmaps::navmap->new();
1434: $r->print('<p>'
1435: .&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.')
1436: .'<br />'
1437: .&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.')
1438: .'</p><p>'
1439: .&mt('Your reservation status for any such assignments is listed below:')
1440: .'</p>'
1441: );
1442: if (!defined($navmap)) {
1443: $r->print('<div class="LC_error">'.
1444: &mt('Unable to retrieve information about course contents').
1445: '</div>');
1446: &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
1447: return;
1448: }
1449: my (%parent,%shownparent,%container,%container_title,%contents);
1450: my ($depth,$count,$reservable,$lastcontainer,$rownum) = (0,0,0,0,0);
1451: my @backgrounds = ("LC_odd_row","LC_even_row");
1452: my $numcolors = scalar(@backgrounds);
1453: my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
1454: $r->print('<table class="LC_data_table LC_tableOfContent">'."\n");
1455: my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
1456: while (my $resource = $it->next()) {
1457: if ($resource == $it->BEGIN_MAP()) {
1458: $depth++;
1459: $parent{$depth} = $lastcontainer;
1460: }
1461: if ($resource == $it->END_MAP()) {
1462: $depth--;
1463: $lastcontainer = $parent{$depth};
1464: }
1465: if (ref($resource)) {
1466: my $symb = $resource->symb();
1467: my $ressymb = $symb;
1468: $contents{$lastcontainer} ++;
1469: next if (!$resource->is_problem() && !$resource->is_sequence() &&
1470: !$resource->is_page());
1471: $count ++;
1472: if (($resource->is_sequence()) || ($resource->is_page())) {
1473: $lastcontainer = $count;
1474: $container{$lastcontainer} = $resource;
1475: $container_title{$lastcontainer} = $resource->compTitle();
1476: }
1477: if ($resource->is_problem()) {
1478: my ($useslots) = $resource->slot_control();
1479: next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i));
1480: my ($msg,$get_choices,$slotdescription);
1481: my $title = $resource->compTitle();
1482: my $status = $resource->simpleStatus('0');
1483: my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0');
1484: if ($slot_name ne '') {
1485: my %slot=&Apache::lonnet::get_slot($slot_name);
1486: $slotdescription=&get_description($slot_name,\%slot);
1487: }
1488: if ($slot_status == $resource->NOT_IN_A_SLOT) {
1489: $msg=&mt('No current reservation.');
1490: $get_choices = 1;
1491: } elsif ($slot_status == $resource->NEEDS_CHECKIN) {
1492: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1493: ' '.$slotdescription.'</span><br />'.
1494: &mt('Access requires proctor validation.');
1495: } elsif ($slot_status == $resource->WAITING_FOR_GRADE) {
1496: $msg=&mt('Submitted and currently in grading queue.');
1497: } elsif ($slot_status == $resource->CORRECT) {
1498: $msg=&mt('Problem is unavailable.');
1499: } elsif ($slot_status == $resource->RESERVED) {
1500: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1501: ' '.$slotdescription.'</span><br />'.
1502: &mt('Problem is currently available.');
1503: } elsif ($slot_status == $resource->RESERVED_LOCATION) {
1504: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1505: ' '.$slotdescription.'</span><br />'.
1506: &mt('Problem is available at a different location.');
1507: $get_choices = 1;
1508: } elsif ($slot_status == $resource->RESERVED_LATER) {
1509: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1510: ' '.$slotdescription.'</span><br />'.
1511: &mt('Problem will be available later.');
1512: $get_choices = 1;
1513: } elsif ($slot_status == $resource->RESERVABLE) {
1514: $msg=&mt('Reservation needed');
1515: $get_choices = 1;
1516: } elsif ($slot_status == $resource->NOTRESERVABLE) {
1517: $msg=&mt('Reservation needed: none available.');
1518: } elsif ($slot_status == $resource->UNKNOWN) {
1519: $msg=&mt('Unable to determine status due to network problems.');
1520: } else {
1521: if ($status != $resource->OPEN) {
1522: $msg = &Apache::lonnavmaps::getDescription($resource,'0');
1523: }
1524: }
1525: $reservable ++;
1526: my $treelevel = $depth;
1527: my $higherup = $lastcontainer;
1528: if ($depth > 1) {
1529: my @maprows;
1530: while ($treelevel > 1) {
1531: if (ref($container{$higherup})) {
1532: my $res = $container{$higherup};
1533: last if (defined($shownparent{$higherup}));
1534: my $maptitle = $res->compTitle();
1535: my $type = 'sequence';
1536: if ($res->is_page()) {
1537: $type = 'page';
1538: }
1539: &show_map_row($treelevel,$location,$type,$maptitle,
1540: \@maprows);
1541: $shownparent{$higherup} = 1;
1542: }
1543: $treelevel --;
1544: $higherup = $parent{$treelevel};
1545: }
1546: foreach my $item (@maprows) {
1547: $rownum ++;
1548: my $bgcolor = $backgrounds[$rownum % $numcolors];
1549: $r->print('<tr class="'.$bgcolor.'">'.$item.'</tr>'."\n");
1550: }
1551: }
1552: $rownum ++;
1553: my $bgcolor = $backgrounds[$rownum % $numcolors];
1554: $r->print('<tr class="'.$bgcolor.'"><td>'."\n");
1555: for (my $i=0; $i<$depth; $i++) {
1556: $r->print('<img src="'.$location.'" alt="" />');
1557: }
1558: my $result = '<a href="'.$resource->src().'?symb='.$symb.'">'.
1559: '<img class="LC_contentImage" src="/adm/lonIcons/';
1560: if ($resource->is_task()) {
1561: $result .= 'task.gif" alt="'.&mt('Task');
1562: } else {
1563: $result .= 'problem.gif" alt="'.&mt('Problem');
1564: }
1565: $result .= '" /><b>'.$title.'</b></a>'.(' ' x6).'</td>';
1566: my $hasaction;
1567: if ($status == $resource->OPEN) {
1568: if ($get_choices) {
1569: $hasaction = 1;
1570: }
1571: }
1572: if ($hasaction) {
1573: $result .= '<td valgn="middle">'.$msg.'</td>'.
1574: '<td valign="middle">'.(' ' x6);
1575: } else {
1576: $result .= '<td colspan="2" valign="middle">'.$msg.'</td>';
1577: }
1578: $r->print($result);
1579: if ($hasaction) {
1580: my $formname = 'manageres_'.$reservable;
1581: &show_choices($r,$symb,$formname);
1582: $r->print('</td>');
1583: }
1584: $r->print('</tr>');
1585: }
1586: }
1587: }
1588: if (!$reservable) {
1589: $r->print('<span class="LC_info">'.&mt('No course items currently require a reservation to gain access.').'</span>');
1590: }
1591: $r->print('</table>'.
1592: '<p><a href="/adm/slotrequest?command=showresv">'.
1593: &mt('Reservation History').'</a></p>');
1594: }
1595:
1596: sub show_map_row {
1597: my ($depth,$location,$type,$title,$maprows) = @_;
1598: my $output = '<td>';
1599: for (my $i=0; $i<$depth-1; $i++) {
1600: $output .= '<img src="'.$location.'" alt="" />';
1601: }
1602: if ($type eq 'page') {
1603: $output .= '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" /> '."\n";
1604: } else {
1605: $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n";
1606: }
1607: $output .= $title.'</td><td colspan="2"> </td>'."\n";
1608: unshift (@{$maprows},$output);
1609: return;
1610: }
1611:
1612: sub show_reservations {
1613: my ($r,$uname,$udom) = @_;
1614: if (!defined($uname)) {
1615: $uname = $env{'user.name'};
1616: }
1617: if (!defined($udom)) {
1618: $udom = $env{'user.domain'};
1619: }
1620: my $formname = 'slotlog';
1621: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1622: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1623: my %log=&Apache::lonnet::dump('nohist_'.$cdom.'_'.$cnum.'_slotlog',$udom,$uname);
1624: if ($env{'form.origin'} eq 'aboutme') {
1625: $r->print('<div class="LC_fontsize_large">'.
1626: &mt('History of student-reservable slots for: [_1]',
1627: &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'},
1628: 'firstname')).'</div>');
1629: }
1630: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1631: # set defaults
1632: my $now = time();
1633: my $defstart = $now - (7*24*3600); #7 days ago
1634: my %defaults = (
1635: page => '1',
1636: show => '10',
1637: action => 'any',
1638: log_start_date => $defstart,
1639: log_end_date => $now,
1640: );
1641: my $more_records = 0;
1642:
1643: # set current
1644: my %curr;
1645: foreach my $item ('show','page','action') {
1646: $curr{$item} = $env{'form.'.$item};
1647: }
1648: my ($startdate,$enddate) =
1649: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1650: 'log_end_date');
1651: $curr{'log_start_date'} = $startdate;
1652: $curr{'log_end_date'} = $enddate;
1653: foreach my $key (keys(%defaults)) {
1654: if ($curr{$key} eq '') {
1655: $curr{$key} = $defaults{$key};
1656: }
1657: }
1658: my ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1659: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version));
1660: my $showntablehdr = 0;
1661: my $tablehdr = &Apache::loncommon::start_data_table().
1662: &Apache::loncommon::start_data_table_header_row().
1663: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Action').'</th>'.
1664: '<th>'.&mt('Description').'</th><th>'.&mt('Start time').'</th>'.
1665: '<th>'.&mt('End time').'</th><th>'.&mt('Resource').'</th>'.
1666: &Apache::loncommon::end_data_table_header_row();
1667: my ($minshown,$maxshown);
1668: $minshown = 1;
1669: my $count = 0;
1670: if ($curr{'show'} ne &mt('all')) {
1671: $maxshown = $curr{'page'} * $curr{'show'};
1672: if ($curr{'page'} > 1) {
1673: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1674: }
1675: }
1676: my (%titles,%maptitles);
1677: my %lt = &reservationlog_contexts();
1678: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1679: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1680: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1681: if ($curr{'show'} ne &mt('all')) {
1682: if ($count >= $curr{'page'} * $curr{'show'}) {
1683: $more_records = 1;
1684: last;
1685: }
1686: }
1687: if ($curr{'action'} ne 'any') {
1688: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1689: }
1690: $count ++;
1691: next if ($count < $minshown);
1692: if (!$showntablehdr) {
1693: $r->print($tablehdr);
1694: $showntablehdr = 1;
1695: }
1696: my $symb = $log{$id}{'logentry'}{'symb'};
1697: my $slot_name = $log{$id}{'logentry'}{'slot'};
1698: my %slot=&Apache::lonnet::get_slot($slot_name);
1699: my $description = $slot{'description'};
1700: my $start = ($slot{'starttime'}?
1701: &Apache::lonlocal::locallocaltime($slot{'starttime'}):'');
1702: my $end = ($slot{'endtime'}?
1703: &Apache::lonlocal::locallocaltime($slot{'endtime'}):'');
1704: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1705: my $chgaction = $log{$id}{'logentry'}{'action'};
1706: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1707: $chgaction = $lt{$chgaction};
1708: }
1709: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$chgaction.'</td><td>'.$description.'</td><td>'.$start.'</td><td>'.$end.'</td><td>'.$title.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1710: }
1711: if ($showntablehdr) {
1712: $r->print(&Apache::loncommon::end_data_table().'<br />');
1713: if (($curr{'page'} > 1) || ($more_records)) {
1714: $r->print('<table><tr>');
1715: if ($curr{'page'} > 1) {
1716: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1717: }
1718: if ($more_records) {
1719: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1720: }
1721: $r->print('</tr></table>');
1722: $r->print(<<"ENDSCRIPT");
1723: <script type="text/javascript">
1724: function chgPage(caller) {
1725: if (caller == 'previous') {
1726: document.$formname.page.value --;
1727: }
1728: if (caller == 'next') {
1729: document.$formname.page.value ++;
1730: }
1731: document.$formname.submit();
1732: return;
1733: }
1734: </script>
1735: ENDSCRIPT
1736: }
1737: } else {
1738: $r->print('<span class="LC_info">'
1739: .&mt('There are no transactions to display')
1740: .'</span>'
1741: );
1742: }
1743: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'."\n".
1744: '<input type="hidden" name="command" value="showresv" />'."\n");
1745: if ($env{'form.origin'} eq 'aboutme') {
1746: $r->print('<input type="hidden" name="origin" value="'.$env{'form.origin'}.'" />'."\n".
1747: '<input type="hidden" name="uname" value="'.$env{'form.uname'}.'" />'."\n".
1748: '<input type="hidden" name="udom" value="'.$env{'form.udom'}.'" />'."\n");
1749: }
1750: $r->print('</form>');
1751: return;
1752: }
1753:
1754: sub show_reservations_log {
1755: my ($r) = @_;
1756: my $badslot;
1757: if ($env{'form.slotname'} eq '') {
1758: $r->print('<div class="LC_warning">'.&mt('No slot name provided').'</div>');
1759: $badslot = 1;
1760: } else {
1761: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1762: if (keys(%slot) == 0) {
1763: $r->print('<div class="LC_warning">'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'</div>');
1764: $badslot = 1;
1765: } elsif ($slot{type} ne 'schedulable_student') {
1766: my $description = &get_description($env{'form.slotname'},\%slot);
1767: $r->print('<div class="LC_warning">'.&mt('Reservation history unavailable for non-student-reservable slot: [_1].',$description).'</div>');
1768: $badslot = 1;
1769: }
1770: }
1771: if ($badslot) {
1772: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
1773: &mt('Return to slot list').'</a></p>');
1774: return;
1775: }
1776: my $formname = 'reservationslog';
1777: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1778: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1779: my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$cdom,$cnum);
1780: if ((keys(%slotlog))[0]=~/^error\:/) { undef(%slotlog); }
1781:
1782: my (%log,@allsymbs);
1783: if (keys(%slotlog)) {
1784: foreach my $key (keys(%slotlog)) {
1785: if (ref($slotlog{$key}) eq 'HASH') {
1786: if (ref($slotlog{$key}{'logentry'}) eq 'HASH') {
1787: if ($slotlog{$key}{'logentry'}{'slot'} eq $env{'form.slotname'}) {
1788: $log{$key} = $slotlog{$key};
1789: if ($slotlog{$key}{'logentry'}{'symb'} ne '') {
1790: push(@allsymbs,$slotlog{$key}{'logentry'}{'symb'});
1791: }
1792: }
1793: }
1794: }
1795: }
1796: }
1797:
1798: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1799: my %saveable_parameters = ('show' => 'scalar',);
1800: &Apache::loncommon::store_course_settings('reservationslog',
1801: \%saveable_parameters);
1802: &Apache::loncommon::restore_course_settings('reservationslog',
1803: \%saveable_parameters);
1804: # set defaults
1805: my $now = time();
1806: my $defstart = $now - (7*24*3600); #7 days ago
1807: my %defaults = (
1808: page => '1',
1809: show => '10',
1810: chgcontext => 'any',
1811: action => 'any',
1812: symb => 'any',
1813: log_start_date => $defstart,
1814: log_end_date => $now,
1815: );
1816: my $more_records = 0;
1817:
1818: # set current
1819: my %curr;
1820: foreach my $item ('show','page','chgcontext','action','symb') {
1821: $curr{$item} = $env{'form.'.$item};
1822: }
1823: my ($startdate,$enddate) =
1824: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1825: 'log_end_date');
1826: $curr{'log_start_date'} = $startdate;
1827: $curr{'log_end_date'} = $enddate;
1828: foreach my $key (keys(%defaults)) {
1829: if ($curr{$key} eq '') {
1830: $curr{$key} = $defaults{$key};
1831: }
1832: }
1833: my (%whodunit,%changed,$version);
1834: ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1835:
1836: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1837: my $description = $slot{'description'};
1838: $r->print('<span class="LC_fontsize_large">'.
1839: &mt('Reservation changes for student-reservable slot: [_1]',$description).'</span><br />');
1840:
1841: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs));
1842: my $showntablehdr = 0;
1843: my $tablehdr = &Apache::loncommon::start_data_table().
1844: &Apache::loncommon::start_data_table_header_row().
1845: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Who made the change').
1846: '</th><th>'.&mt('Affected User').'</th><th>'.&mt('Action').'</th>'.
1847: '<th>'.&mt('Resource').'</th><th>'.&mt('Context').'</th>'.
1848: &Apache::loncommon::end_data_table_header_row();
1849: my ($minshown,$maxshown);
1850: $minshown = 1;
1851: my $count = 0;
1852: if ($curr{'show'} ne &mt('all')) {
1853: $maxshown = $curr{'page'} * $curr{'show'};
1854: if ($curr{'page'} > 1) {
1855: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1856: }
1857: }
1858: my %lt = &reservationlog_contexts();
1859: my (%titles,%maptitles);
1860: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1861: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1862: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1863: if ($curr{'show'} ne &mt('all')) {
1864: if ($count >= $curr{'page'} * $curr{'show'}) {
1865: $more_records = 1;
1866: last;
1867: }
1868: }
1869: if ($curr{'chgcontext'} ne 'any') {
1870: if ($curr{'chgcontext'} eq 'user') {
1871: next if (($log{$id}{'logentry'}{'context'} ne 'user') &&
1872: ($log{$id}{'logentry'}{'context'} ne 'usermanage'));
1873: } else {
1874: next if ($log{$id}{'logentry'}{'context'} ne $curr{'chgcontext'});
1875: }
1876: }
1877: if ($curr{'action'} ne 'any') {
1878: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1879: }
1880: if ($curr{'symb'} ne 'any') {
1881: next if ($log{$id}{'logentry'}{'symb'} ne $curr{'symb'});
1882: }
1883: $count ++;
1884: next if ($count < $minshown);
1885: if (!$showntablehdr) {
1886: $r->print($tablehdr);
1887: $showntablehdr = 1;
1888: }
1889: if ($whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} eq '') {
1890: $whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} =
1891: &Apache::loncommon::plainname($log{$id}{'exe_uname'},$log{$id}{'exe_udom'});
1892: }
1893: if ($changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} eq '') {
1894: $changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} =
1895: &Apache::loncommon::plainname($log{$id}{'uname'},$log{$id}{'udom'});
1896: }
1897: my $symb = $log{$id}{'logentry'}{'symb'};
1898: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1899: my $chgcontext = $log{$id}{'logentry'}{'context'};
1900: if ($chgcontext ne '' && $lt{$chgcontext} ne '') {
1901: $chgcontext = $lt{$chgcontext};
1902: }
1903: my $chgaction = $log{$id}{'logentry'}{'action'};
1904: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1905: $chgaction = $lt{$chgaction};
1906: }
1907: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$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>'.$chgcontext.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1908: }
1909: if ($showntablehdr) {
1910: $r->print(&Apache::loncommon::end_data_table().'<br />');
1911: if (($curr{'page'} > 1) || ($more_records)) {
1912: $r->print('<table><tr>');
1913: if ($curr{'page'} > 1) {
1914: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1915: }
1916: if ($more_records) {
1917: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1918: }
1919: $r->print('</tr></table>');
1920: $r->print(<<"ENDSCRIPT");
1921: <script type="text/javascript">
1922: function chgPage(caller) {
1923: if (caller == 'previous') {
1924: document.$formname.page.value --;
1925: }
1926: if (caller == 'next') {
1927: document.$formname.page.value ++;
1928: }
1929: document.$formname.submit();
1930: return;
1931: }
1932: </script>
1933: ENDSCRIPT
1934: }
1935: } else {
1936: $r->print(&mt('There are no records to display'));
1937: }
1938: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'.
1939: '<input type="hidden" name="slotname" value="'.$env{'form.slotname'}.'" />'.
1940: '<input type="hidden" name="command" value="slotlog" /></form>'.
1941: '<p><a href="/adm/slotrequest?command=showslots">'.
1942: &mt('Return to slot list').'</a></p>');
1943: return;
1944: }
1945:
1946: sub get_resource_title {
1947: my ($symb,$titles,$maptitles) = @_;
1948: my $title;
1949: if ((ref($titles) eq 'HASH') && (ref($maptitles) eq 'HASH')) {
1950: if (defined($titles->{$symb})) {
1951: $title = $titles->{$symb};
1952: } else {
1953: $title = &Apache::lonnet::gettitle($symb);
1954: my $maptitle;
1955: my ($mapurl) = &Apache::lonnet::decode_symb($symb);
1956: if (defined($maptitles->{$mapurl})) {
1957: $maptitle = $maptitles->{$mapurl};
1958: } else {
1959: if ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) {
1960: $maptitle=&mt('Main Course Documents');
1961: } else {
1962: $maptitle=&Apache::lonnet::gettitle($mapurl);
1963: }
1964: $maptitles->{$mapurl} = $maptitle;
1965: }
1966: if ($maptitle ne '') {
1967: $title .= ' '.&mt('(in [_1])',$maptitle);
1968: }
1969: $titles->{$symb} = $title;
1970: }
1971: } else {
1972: $title = $symb;
1973: }
1974: return $title;
1975: }
1976:
1977: sub reservationlog_contexts {
1978: my %lt = &Apache::lonlocal::texthash (
1979: any => 'Any',
1980: user => 'By student',
1981: manage => 'Via Slot Manager',
1982: parameter => 'Via Parameter Manager',
1983: reserve => 'Made reservation',
1984: release => 'Dropped reservation',
1985: usermanage => 'By student',
1986: );
1987: return %lt;
1988: }
1989:
1990: sub display_filter {
1991: my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_;
1992: my $nolink = 1;
1993: my (%titles,%maptitles);
1994: my $output = '<br /><table><tr><td valign="top">'.
1995: '<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
1996: &Apache::lonmeta::selectbox('show',$curr->{'show'},undef,
1997: (&mt('all'),5,10,20,50,100,1000,10000)).
1998: '</td><td> </td>';
1999: my $startform =
2000: &Apache::lonhtmlcommon::date_setter($formname,'log_start_date',
2001: $curr->{'log_start_date'},undef,
2002: undef,undef,undef,undef,undef,undef,$nolink);
2003: my $endform =
2004: &Apache::lonhtmlcommon::date_setter($formname,'log_end_date',
2005: $curr->{'log_end_date'},undef,
2006: undef,undef,undef,undef,undef,undef,$nolink);
2007: my %lt = &reservationlog_contexts();
2008: $output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
2009: '</b><br /><table><tr><td>'.&mt('After:').
2010: '</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
2011: $endform.'</td></tr></table></td><td> </td>';
2012: if (ref($allsymbs) eq 'ARRAY') {
2013: $output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
2014: '<select name="resource"><option value="any"';
2015: if ($curr->{'resource'} eq 'any') {
2016: $output .= ' selected="selected"';
2017: }
2018: $output .= '>'.&mt('Any').'</option>'."\n";
2019: foreach my $symb (@{$allsymbs}) {
2020: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2021: my $selstr = '';
2022: if ($curr->{'resource'} eq $symb) {
2023: $selstr = ' selected="selected"';
2024: }
2025: $output .= ' <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
2026: }
2027: $output .= '</select></td><td> </td><td valign="top"><b>'.
2028: &mt('Context:').'</b><br /><select name="chgcontext">';
2029: foreach my $chgtype ('any','user','manage','parameter') {
2030: my $selstr = '';
2031: if ($curr->{'chgcontext'} eq $chgtype) {
2032: $output .= $selstr = ' selected="selected"';
2033: }
2034: $output .= '<option value="'.$chgtype.'"'.$selstr.'>'.$lt{$chgtype}.'</option>'."\n";
2035: }
2036: $output .= '</select></td>';
2037: } else {
2038: $output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
2039: '<select name="action"><option value="any"';
2040: if ($curr->{'action'} eq 'any') {
2041: $output .= ' selected="selected"';
2042: }
2043: $output .= '>'.&mt('Any').'</option>'."\n";
2044: foreach my $actiontype ('reserve','release') {
2045: my $selstr = '';
2046: if ($curr->{'action'} eq $actiontype) {
2047: $output .= $selstr = ' selected="selected"';
2048: }
2049: $output .= '<option value="'.$actiontype.'"'.$selstr.'>'.$lt{$actiontype}.'</option>'."\n";
2050: }
2051: $output .= '</select></td>';
2052: }
2053: $output .= '<td> </td><td valign="middle"><input type="submit" value="'.
2054: &mt('Update Display').'" /></tr></table>'.
2055: '<span class="LC_roleslog_note">'.
2056: &mt('[_1]Note:[_2] Only changes made from servers running LON-CAPA 2.8.99.0 or later are displayed.');
2057: if ($version) {
2058: $output .= ' '.&mt('This server is version [_3].','<b>','</b>',$version);
2059: }
2060: $output .= '</span><hr /><br />';
2061: return $output;
2062: }
2063:
2064: sub upload_start {
2065: my ($r)=@_;
2066: $r->print(&Apache::grades::checkforfile_js());
2067: my $result.='<table width="100%" border="0"><tr bgcolor="#E6FFFF"><td>'."\n";
2068: $result.=' <b>'.
2069: &mt('Specify a file containing the slot definitions.').
2070: '</b></td></tr>'."\n";
2071: $result.='<tr bgcolor="#ffffe6"><td>'."\n";
2072: my $upfile_select=&Apache::loncommon::upfile_select_html();
2073: my $ignore=&mt('Ignore First Line');
2074: $result.=<<ENDUPFORM;
2075: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
2076: <input type="hidden" name="command" value="csvuploadmap" />
2077: $upfile_select
2078: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Data" />
2079: <label><input type="checkbox" name="noFirstLine" />$ignore</label>
2080: </form>
2081: ENDUPFORM
2082: $result.='</td></tr></table>'."\n";
2083: $result.='</td></tr></table>'."\n";
2084: $r->print($result);
2085: }
2086:
2087: sub csvuploadmap_header {
2088: my ($r,$datatoken,$distotal)= @_;
2089: my $javascript;
2090: if ($env{'form.upfile_associate'} eq 'reverse') {
2091: $javascript=&csvupload_javascript_reverse_associate();
2092: } else {
2093: $javascript=&csvupload_javascript_forward_associate();
2094: }
2095:
2096: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
2097: my $ignore=&mt('Ignore First Line');
2098: my $help_field = &Apache::loncommon::help_open_topic('Slot SelectingField');
2099:
2100: $r->print(<<ENDPICK);
2101: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
2102: <h3>Identify fields $help_field</h3>
2103: Total number of records found in file: $distotal <hr />
2104: Enter as many fields as you can. The system will inform you and bring you back
2105: to this page if the data selected is insufficient to create the slots.<hr />
2106: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
2107: <label><input type="checkbox" name="noFirstLine"$checked />$ignore</label>
2108: <input type="hidden" name="associate" value="" />
2109: <input type="hidden" name="datatoken" value="$datatoken" />
2110: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
2111: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
2112: <input type="hidden" name="upfile_associate"
2113: value="$env{'form.upfile_associate'}" />
2114: <input type="hidden" name="command" value="csvuploadassign" />
2115: <hr />
2116: <script type="text/javascript" language="Javascript">
2117: $javascript
2118: </script>
2119: ENDPICK
2120: return '';
2121:
2122: }
2123:
2124: sub csvuploadmap_footer {
2125: my ($request,$i,$keyfields) =@_;
2126: my $buttontext = &mt('Create Slots');
2127: $request->print(<<ENDPICK);
2128: </table>
2129: <input type="hidden" name="nfields" value="$i" />
2130: <input type="hidden" name="keyfields" value="$keyfields" />
2131: <input type="button" onClick="javascript:verify(this.form)" value="$buttontext" /><br />
2132: </form>
2133: ENDPICK
2134: }
2135:
2136: sub csvupload_javascript_reverse_associate {
2137: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2138: return(<<ENDPICK);
2139: function verify(vf) {
2140: var foundstart=0;
2141: var foundend=0;
2142: var foundname=0;
2143: var foundtype=0;
2144: for (i=0;i<=vf.nfields.value;i++) {
2145: tw=eval('vf.f'+i+'.selectedIndex');
2146: if (i==0 && tw!=0) { foundname=1; }
2147: if (i==1 && tw!=0) { foundtype=1; }
2148: if (i==2 && tw!=0) { foundstat=1; }
2149: if (i==3 && tw!=0) { foundend=1; }
2150: }
2151: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2152: alert('$error1');
2153: return;
2154: }
2155: vf.submit();
2156: }
2157: function flip(vf,tf) {
2158: }
2159: ENDPICK
2160: }
2161:
2162: sub csvupload_javascript_forward_associate {
2163: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2164: return(<<ENDPICK);
2165: function verify(vf) {
2166: var foundstart=0;
2167: var foundend=0;
2168: var foundname=0;
2169: var foundtype=0;
2170: for (i=0;i<=vf.nfields.value;i++) {
2171: tw=eval('vf.f'+i+'.selectedIndex');
2172: if (tw==1) { foundname=1; }
2173: if (tw==2) { foundtype=1; }
2174: if (tw==3) { foundstat=1; }
2175: if (tw==4) { foundend=1; }
2176: }
2177: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2178: alert('$error1');
2179: return;
2180: }
2181: vf.submit();
2182: }
2183: function flip(vf,tf) {
2184: }
2185: ENDPICK
2186: }
2187:
2188: sub csv_upload_map {
2189: my ($r)= @_;
2190:
2191: my $datatoken;
2192: if (!$env{'form.datatoken'}) {
2193: $datatoken=&Apache::loncommon::upfile_store($r);
2194: } else {
2195: $datatoken=$env{'form.datatoken'};
2196: &Apache::loncommon::load_tmp_file($r);
2197: }
2198: my @records=&Apache::loncommon::upfile_record_sep();
2199: if ($env{'form.noFirstLine'}) { shift(@records); }
2200: &csvuploadmap_header($r,$datatoken,$#records+1);
2201: my ($i,$keyfields);
2202: if (@records) {
2203: my @fields=&csvupload_fields();
2204:
2205: if ($env{'form.upfile_associate'} eq 'reverse') {
2206: &Apache::loncommon::csv_print_samples($r,\@records);
2207: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
2208: \@fields);
2209: foreach (@fields) { $keyfields.=$_->[0].','; }
2210: chop($keyfields);
2211: } else {
2212: unshift(@fields,['none','']);
2213: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
2214: \@fields);
2215: my %sone=&Apache::loncommon::record_sep($records[0]);
2216: $keyfields=join(',',sort(keys(%sone)));
2217: }
2218: }
2219: &csvuploadmap_footer($r,$i,$keyfields);
2220:
2221: return '';
2222: }
2223:
2224: sub csvupload_fields {
2225: return (['name','Slot name'],
2226: ['type','Type of slot'],
2227: ['starttime','Start Time of slot'],
2228: ['endtime','End Time of slot'],
2229: ['startreserve','Reservation Start Time'],
2230: ['ip','IP or DNS restriction'],
2231: ['proctor','List of proctor ids'],
2232: ['description','Slot Description'],
2233: ['maxspace','Maximum number of reservations'],
2234: ['symb','Resource Restriction'],
2235: ['uniqueperiod','Date range of slot exclusion'],
2236: ['secret','Secret word proctor uses to validate'],
2237: ['allowedsections','Sections slot is restricted to'],
2238: ['allowedusers','Users slot is restricted to'],
2239: );
2240: }
2241:
2242: sub csv_upload_assign {
2243: my ($r,$mgr)= @_;
2244: &Apache::loncommon::load_tmp_file($r);
2245: my @slotdata = &Apache::loncommon::upfile_record_sep();
2246: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
2247: my %fields=&Apache::grades::get_fields();
2248: $r->print('<h3>'.&mt('Creating Slots').'</h3>');
2249: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
2250: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2251: my $countdone=0;
2252: my @errors;
2253: foreach my $slot (@slotdata) {
2254: my %slot;
2255: my %entries=&Apache::loncommon::record_sep($slot);
2256: my $domain;
2257: my $name=$entries{$fields{'name'}};
2258: if ($name=~/^\s*$/) {
2259: push(@errors,"Did not create slot with no name");
2260: next;
2261: }
2262: if ($name=~/\s/) {
2263: push(@errors,"$name not created -- Name must not contain spaces");
2264: next;
2265: }
2266: if ($name=~/\W/) {
2267: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
2268: next;
2269: }
2270: if ($entries{$fields{'type'}}) {
2271: $slot{'type'}=$entries{$fields{'type'}};
2272: } else {
2273: $slot{'type'}='preassigned';
2274: }
2275: if ($slot{'type'} ne 'preassigned' &&
2276: $slot{'type'} ne 'schedulable_student') {
2277: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
2278: next;
2279: }
2280: if ($entries{$fields{'starttime'}}) {
2281: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
2282: }
2283: if ($entries{$fields{'endtime'}}) {
2284: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
2285: }
2286:
2287: # start/endtime must be defined and greater than zero
2288: if (!$slot{'starttime'}) {
2289: push(@errors,"$name not created -- Invalid start time");
2290: next;
2291: }
2292: if (!$slot{'endtime'}) {
2293: push(@errors,"$name not created -- Invalid end time");
2294: next;
2295: }
2296: if ($slot{'starttime'} > $slot{'endtime'}) {
2297: push(@errors,"$name not created -- Slot starts after it ends");
2298: next;
2299: }
2300:
2301: if ($entries{$fields{'startreserve'}}) {
2302: $slot{'startreserve'}=
2303: &UnixDate($entries{$fields{'startreserve'}},"%s");
2304: }
2305: if (defined($slot{'startreserve'})
2306: && $slot{'startreserve'} > $slot{'starttime'}) {
2307: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
2308: next;
2309: }
2310:
2311: foreach my $key ('ip','proctor','description','maxspace',
2312: 'secret','symb') {
2313: if ($entries{$fields{$key}}) {
2314: $slot{$key}=$entries{$fields{$key}};
2315: }
2316: }
2317:
2318: if ($entries{$fields{'uniqueperiod'}}) {
2319: my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
2320: my @times=(&UnixDate($start,"%s"),
2321: &UnixDate($end,"%s"));
2322: $slot{'uniqueperiod'}=\@times;
2323: }
2324: if (defined($slot{'uniqueperiod'})
2325: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
2326: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
2327: next;
2328: }
2329:
2330: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
2331: $r->print('.');
2332: $r->rflush();
2333: $countdone++;
2334: }
2335: $r->print('<p>'.&mt('Created [quant,_1,slot]',$countdone)."\n".'</p>');
2336: foreach my $error (@errors) {
2337: $r->print('<p><span class="LC_warning">'.$error.'</span></p>'."\n");
2338: }
2339: &show_table($r,$mgr);
2340: return '';
2341: }
2342:
2343: sub slot_command_titles {
2344: my %titles = (
2345: slotlog => 'Reservation Logs',
2346: showslots => 'Manage Slots',
2347: showresv => 'Reservation History',
2348: manageresv => 'Manage Reservations',
2349: uploadstart => 'Upload Slots File',
2350: csvuploadmap => 'Upload Slots File',
2351: csvuploadassign => 'Upload Slots File',
2352: delete => 'Slot Deletion',
2353: release => 'Reservation Result',
2354: remove_reservation => 'Remove Registration',
2355: get_reservation => 'Request Reservation',
2356: );
2357: return %titles;
2358: }
2359:
2360: sub handler {
2361: my $r=shift;
2362:
2363: &Apache::loncommon::content_type($r,'text/html');
2364: &Apache::loncommon::no_cache($r);
2365: if ($r->header_only()) {
2366: $r->send_http_header();
2367: return OK;
2368: }
2369:
2370: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
2371:
2372: my %crumb_titles = &slot_command_titles();
2373: my $brcrum;
2374:
2375: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
2376: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
2377: if ($env{'form.command'} eq 'showslots') {
2378: if (($vgr ne 'F') && ($mgr ne 'F')) {
2379: $env{'form.command'} = 'manageresv';
2380: }
2381: } elsif ($env{'form.command'} eq 'manageresv') {
2382: if (($vgr eq 'F') || ($mgr eq 'F')) {
2383: $env{'form.command'} = 'showslots';
2384: }
2385: }
2386: my $title='Requesting Another Worktime';
2387: if ($env{'form.command'} eq 'showresv') {
2388: $title = 'Reservation History';
2389: if ($env{'form.origin'} eq 'aboutme') {
2390: $brcrum =[{href=>"/adm/$env{'form.udom'}/$env{'form.uname'}/aboutme",text=>'Personal Information Page'}];
2391: } else {
2392: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>'Manage Reservations'}];
2393: }
2394: if (ref($brcrum) eq 'ARRAY') {
2395: push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title});
2396: }
2397: } elsif ($env{'form.command'} eq 'manageresv') {
2398: $title = 'Manage Reservations';
2399: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
2400: } elsif ($vgr eq 'F') {
2401: if ($env{'form.command'} =~ /^(slotlog|showslots|uploadstart|csvuploadmap|csvuploadassign|delete|release|remove_registration)$/) {
2402: $brcrum =[{href=>"/adm/slotrequest?command=showslots",
2403: text=>$crumb_titles{'showslots'}}];
2404: $title = 'Managing Slots';
2405: unless ($env{'form.command'} eq 'showslots') {
2406: if (ref($brcrum) eq 'ARRAY') {
2407: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2408: }
2409: }
2410: }
2411: } elsif ($env{'form.command'} eq 'release') {
2412: if ($env{'form.context'} eq 'usermanage') {
2413: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",
2414: text=>$crumb_titles{'showslots'}}];
2415: $title = 'Manage Reservations';
2416: if (ref($brcrum) eq 'ARRAY') {
2417: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2418: }
2419:
2420: }
2421: }
2422: &start_page($r,$title,$brcrum);
2423:
2424: if ($env{'form.command'} eq 'manageresv') {
2425: my $crstype = &Apache::loncommon::course_type();
2426: &manage_reservations($r,$crstype);
2427: } elsif ($env{'form.command'} eq 'showresv') {
2428: &show_reservations($r,$env{'form.uname'},$env{'form.udom'});
2429: } elsif ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
2430: &show_table($r,$mgr);
2431: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
2432: &remove_registration($r);
2433: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
2434: if ($env{'form.entry'} eq 'remove all') {
2435: &release_all_slot($r,$mgr);
2436: } else {
2437: &release_slot($r,undef,undef,undef,$mgr);
2438: }
2439: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
2440: &delete_slot($r);
2441: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
2442: &upload_start($r);
2443: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
2444: &csv_upload_map($r);
2445: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
2446: if ($env{'form.associate'} ne 'Reverse Association') {
2447: &csv_upload_assign($r,$mgr);
2448: } else {
2449: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
2450: $env{'form.upfile_associate'} = 'reverse';
2451: } else {
2452: $env{'form.upfile_associate'} = 'forward';
2453: }
2454: &csv_upload_map($r);
2455: }
2456: } elsif ($env{'form.command'} eq 'slotlog' && $mgr eq 'F') {
2457: &show_reservations_log($r);
2458: } else {
2459: my $symb=&unescape($env{'form.symb'});
2460: if (!defined($symb)) {
2461: &fail($r,'not_valid');
2462: return OK;
2463: }
2464: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
2465: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
2466: if ($useslots ne 'resource'
2467: && $useslots ne 'map'
2468: && $useslots ne 'map_map') {
2469: &fail($r,'not_available');
2470: return OK;
2471: }
2472: $env{'request.symb'}=$symb;
2473: my $type = ($res =~ /\.task$/) ? 'Task'
2474: : 'problem';
2475: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
2476: if ($status eq 'CAN_ANSWER' ||
2477: $status eq 'NEEDS_CHECKIN' ||
2478: $status eq 'WAITING_FOR_GRADE') {
2479: &fail($r,'not_allowed');
2480: return OK;
2481: }
2482: if ($env{'form.requestattempt'}) {
2483: &show_choices($r,$symb);
2484: } elsif ($env{'form.command'} eq 'release') {
2485: &release_slot($r,$symb);
2486: } elsif ($env{'form.command'} eq 'get') {
2487: &get_slot($r,$symb);
2488: } elsif ($env{'form.command'} eq 'change') {
2489: if (&get_slot($r,$symb,$env{'form.releaseslot'},1)) {
2490: &release_slot($r,$symb,$env{'form.releaseslot'});
2491: }
2492: } else {
2493: $r->print('<p>'.&mt('Unknown command: [_1]',$env{'form.command'}).'</p>');
2494: }
2495: }
2496: &end_page($r);
2497: return OK;
2498: }
2499:
2500: 1;
2501: __END__
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