1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.96 2009/05/04 16:45:58 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: $r->print(&mt('or').'</p>').&return_link($r);
711: } else {
712: $r->print('</p>');
713: }
714: return 0;
715: }
716:
717: sub allowed_slot {
718: my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods)=@_;
719:
720: #already started
721: if ($slot->{'starttime'} < time) {
722: return 0;
723: }
724: &Apache::lonxml::debug("$slot_name starttime good");
725:
726: #already ended
727: if ($slot->{'endtime'} < time) {
728: return 0;
729: }
730: &Apache::lonxml::debug("$slot_name endtime good");
731:
732: # not allowed to pick this one
733: if (defined($slot->{'type'})
734: && $slot->{'type'} ne 'schedulable_student') {
735: return 0;
736: }
737: &Apache::lonxml::debug("$slot_name type good");
738:
739: # reserve time not yet started
740: if ($slot->{'startreserve'} > time) {
741: return 0;
742: }
743: &Apache::lonxml::debug("$slot_name reserve good");
744:
745: my $userallowed=0;
746: # its for a different set of users
747: if (defined($slot->{'allowedsections'})) {
748: if (!defined($env{'request.role.sec'})
749: && grep(/^No section assigned$/,
750: split(',',$slot->{'allowedsections'}))) {
751: $userallowed=1;
752: }
753: if (defined($env{'request.role.sec'})
754: && grep(/^\Q$env{'request.role.sec'}\E$/,
755: split(',',$slot->{'allowedsections'}))) {
756: $userallowed=1;
757: }
758: if (defined($env{'request.course.groups'})) {
759: my @groups = split(/:/,$env{'request.course.groups'});
760: my @allowed_sec = split(',',$slot->{'allowedsections'});
761: foreach my $group (@groups) {
762: if (grep {$_ eq $group} (@allowed_sec)) {
763: $userallowed=1;
764: last;
765: }
766: }
767: }
768: }
769: &Apache::lonxml::debug("$slot_name sections is $userallowed");
770:
771: # its for a different set of users
772: if (defined($slot->{'allowedusers'})
773: && grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
774: split(',',$slot->{'allowedusers'}))) {
775: $userallowed=1;
776: }
777:
778: if (!defined($slot->{'allowedusers'})
779: && !defined($slot->{'allowedsections'})) {
780: $userallowed=1;
781: }
782:
783: &Apache::lonxml::debug("$slot_name user is $userallowed");
784: return 0 if (!$userallowed);
785:
786: # not allowed for this resource
787: if (defined($slot->{'symb'})
788: && $slot->{'symb'} ne $symb) {
789: return 0;
790: }
791:
792: my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
793: $consumed_uniqueperiods);
794: if ($conflict =~ /^error: /) {
795: return 0;
796: } elsif ($conflict ne '') {
797: if ($slots->{$conflict}{'starttime'} < time) {
798: return 0;
799: }
800: }
801: &Apache::lonxml::debug("$slot_name symb good");
802: return 1;
803: }
804:
805: sub get_description {
806: my ($slot_name,$slot)=@_;
807: my $description=$slot->{'description'};
808: if (!defined($description)) {
809: $description=&mt('[_1] From [_2] to [_3]',$slot_name,
810: &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
811: &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
812: }
813: return $description;
814: }
815:
816: sub show_choices {
817: my ($r,$symb,$formname)=@_;
818:
819: my ($cnum,$cdom)=&get_course();
820: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
821: my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
822: if (ref($consumed_uniqueperiods) eq 'HASH') {
823: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
824: $r->print('<span class="LC_error">'.
825: &mt('An error occurred determining slot availability').
826: '</span>');
827: return;
828: }
829: } elsif ($consumed_uniqueperiods =~ /^error: /) {
830: $r->print('<span class="LC_error">'.
831: &mt('An error occurred determining slot availability').
832: '</span>');
833: return;
834: }
835: my (@available,$output);
836: &Apache::lonxml::debug("Checking Slots");
837: my @got_slots=&check_for_reservation($symb,'allslots');
838: if ($got_slots[0] =~ /^error: /) {
839: $r->print('<span class="LC_error">'.
840: &mt('An error occurred determining slot availability').
841: '</span>');
842: return;
843: }
844: foreach my $slot (sort
845: { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
846: (keys(%slots))) {
847:
848: &Apache::lonxml::debug("Checking Slot $slot");
849: next if (!&allowed_slot($slot,$slots{$slot},undef,\%slots,
850: $consumed_uniqueperiods));
851:
852: push(@available,$slot);
853: }
854: if (!@available) {
855: $output = &mt('No available times.');
856: if ($env{'form.command'} ne 'manageresv') {
857: $output .= ' <a href="/adm/flip?postdata=return:">'.
858: &mt('Return to last resource').'</a>';
859: }
860: $r->print($output);
861: return;
862: }
863: if ($env{'form.command'} eq 'manageresv') {
864: $output = '<table border="0">';
865: } else {
866: $output = &Apache::loncommon::start_data_table();
867: }
868: foreach my $slot (@available) {
869: my $description=&get_description($slot,$slots{$slot});
870: my $form;
871: if ((grep(/^\Q$slot\E$/,@got_slots)) ||
872: &space_available($slot,$slots{$slot},$symb)) {
873: my $text=&mt('Select');
874: my $command='get';
875: if (grep(/^\Q$slot\E$/,@got_slots)) {
876: $text=&mt('Drop Reservation');
877: $command='release';
878: } else {
879: my $conflict = &check_for_conflict($symb,$slot,$slots{$slot},
880: \%slots,
881: $consumed_uniqueperiods);
882: if ($conflict) {
883: if ($conflict =~ /^error: /) {
884: $form = '<span class="LC_error">'.
885: &mt('Slot: [_1] has unknown status.',$description).
886: '</span>';
887: } else {
888: $text=&mt('Change Reservation');
889: $command='get';
890: }
891: }
892: }
893: my $escsymb=&escape($symb);
894: if (!$form) {
895: if ($formname) {
896: $formname = 'name="'.$formname.'" ';
897: }
898: my $context = 'user';
899: if ($env{'form.command'} eq 'manageresv') {
900: $context = 'usermanage';
901: }
902: $form=<<STUFF;
903: <form method="post" action="/adm/slotrequest" $formname>
904: <input type="submit" name="Select" value="$text" />
905: <input type="hidden" name="symb" value="$escsymb" />
906: <input type="hidden" name="slotname" value="$slot" />
907: <input type="hidden" name="command" value="$command" />
908: <input type="hidden" name="context" value="$context" />
909: </form>
910: STUFF
911: }
912: } else {
913: $form = &mt('Unavailable');
914: }
915: if ($env{'form.command'} eq 'manageresv') {
916: $output .= '<tr>';
917: } else {
918: $output .= &Apache::loncommon::start_data_table_row();
919: }
920: $output .= "
921: <td>$form</td>
922: <td>$description</td>\n";
923: if ($env{'form.command'} eq 'manageresv') {
924: $output .= '</tr>';
925: } else {
926: $output .= &Apache::loncommon::end_data_table_row();
927: }
928: }
929: if ($env{'form.command'} eq 'manageresv') {
930: $output .= '</table>';
931: } else {
932: $output .= &Apache::loncommon::end_data_table();
933: }
934: $r->print($output);
935: }
936:
937: sub to_show {
938: my ($slotname,$slot,$when,$deleted,$name) = @_;
939: my $time=time;
940: my $week=60*60*24*7;
941:
942: if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
943: return 0;
944: }
945:
946: if ($name && $name->{'value'} =~ /\w/) {
947: if ($name->{'type'} eq 'substring') {
948: if ($slotname !~ /\Q$name->{'value'}\E/) {
949: return 0;
950: }
951: }
952: if ($name->{'type'} eq 'exact') {
953: if ($slotname eq $name->{'value'}) {
954: return 0;
955: }
956: }
957: }
958:
959: if ($when eq 'any') {
960: return 1;
961: } elsif ($when eq 'now') {
962: if ($time > $slot->{'starttime'} &&
963: $time < $slot->{'endtime'}) {
964: return 1;
965: }
966: return 0;
967: } elsif ($when eq 'nextweek') {
968: if ( ($time < $slot->{'starttime'} &&
969: ($time+$week) > $slot->{'starttime'})
970: ||
971: ($time < $slot->{'endtime'} &&
972: ($time+$week) > $slot->{'endtime'}) ) {
973: return 1;
974: }
975: return 0;
976: } elsif ($when eq 'lastweek') {
977: if ( ($time > $slot->{'starttime'} &&
978: ($time-$week) < $slot->{'starttime'})
979: ||
980: ($time > $slot->{'endtime'} &&
981: ($time-$week) < $slot->{'endtime'}) ) {
982: return 1;
983: }
984: return 0;
985: } elsif ($when eq 'willopen') {
986: if ($time < $slot->{'starttime'}) {
987: return 1;
988: }
989: return 0;
990: } elsif ($when eq 'wereopen') {
991: if ($time > $slot->{'endtime'}) {
992: return 1;
993: }
994: return 0;
995: }
996:
997: return 1;
998: }
999:
1000: sub remove_link {
1001: my ($slotname,$entry,$uname,$udom,$symb) = @_;
1002:
1003: my $remove = &mt('Remove');
1004:
1005: if ($entry eq 'remove all') {
1006: $remove = &mt('Remove All');
1007: undef($uname);
1008: undef($udom);
1009: }
1010:
1011: $slotname = &escape($slotname);
1012: $entry = &escape($entry);
1013: $uname = &escape($uname);
1014: $udom = &escape($udom);
1015: $symb = &escape($symb);
1016:
1017: return <<"END_LINK";
1018: <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb&context=manage"
1019: >($remove)</a>
1020: END_LINK
1021:
1022: }
1023:
1024: sub show_table {
1025: my ($r,$mgr)=@_;
1026:
1027: my ($cnum,$cdom)=&get_course();
1028: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1029: if ( (keys(%slots))[0] =~ /^error: 2 /) {
1030: undef(%slots);
1031: }
1032: my $available;
1033: if ($mgr eq 'F') {
1034: # FIXME: This line should be deleted once Slots uses breadcrumbs
1035: $r->print(&Apache::loncommon::help_open_topic('Slot About', 'Help on slots'));
1036:
1037: $r->print('<div>');
1038: $r->print('<form method="post" action="/adm/slotrequest">
1039: <input type="hidden" name="command" value="uploadstart" />
1040: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
1041: </form>');
1042: $r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited'));
1043: $r->print('<form method="post" action="/adm/helper/newslot.helper">
1044: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
1045: </form>');
1046: $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface'));
1047: $r->print('</div>');
1048: }
1049:
1050: if (!keys(%slots)) {
1051: $r->print('<div>'.&mt('No slots have been created in this course.').'</div>');
1052: return;
1053: }
1054:
1055: my %Saveable_Parameters = ('show' => 'array',
1056: 'when' => 'scalar',
1057: 'order' => 'scalar',
1058: 'deleted' => 'scalar',
1059: 'name_filter_type' => 'scalar',
1060: 'name_filter_value' => 'scalar',
1061: );
1062: &Apache::loncommon::store_course_settings('slotrequest',
1063: \%Saveable_Parameters);
1064: &Apache::loncommon::restore_course_settings('slotrequest',
1065: \%Saveable_Parameters);
1066: &Apache::grades::init_perm();
1067: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
1068: &Apache::grades::reset_perm();
1069:
1070: # what to display filtering
1071: my %show_fields=&Apache::lonlocal::texthash(
1072: 'name' => 'Slot Name',
1073: 'description' => 'Description',
1074: 'type' => 'Type',
1075: 'starttime' => 'Start time',
1076: 'endtime' => 'End Time',
1077: 'startreserve' => 'Time students can start reserving',
1078: 'secret' => 'Secret Word',
1079: 'space' => '# of students/max',
1080: 'ip' => 'IP or DNS restrictions',
1081: 'symb' => 'Resource slot is restricted to.',
1082: 'allowedsections' => 'Sections slot is restricted to.',
1083: 'allowedusers' => 'Users slot is restricted to.',
1084: 'uniqueperiod' => 'Period of time slot is unique',
1085: 'scheduled' => 'Scheduled Students',
1086: 'proctor' => 'List of proctors');
1087: my @show_order=('name','description','type','starttime','endtime',
1088: 'startreserve','secret','space','ip','symb',
1089: 'allowedsections','allowedusers','uniqueperiod',
1090: 'scheduled','proctor');
1091: my @show =
1092: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
1093: : keys(%show_fields);
1094: my %show = map { $_ => 1 } (@show);
1095:
1096: #when filtering setup
1097: my %when_fields=&Apache::lonlocal::texthash(
1098: 'now' => 'Open now',
1099: 'nextweek' => 'Open within the next week',
1100: 'lastweek' => 'Were open last week',
1101: 'willopen' => 'Will open later',
1102: 'wereopen' => 'Were open',
1103: 'any' => 'Anytime',
1104: );
1105: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
1106: $when_fields{'select_form_order'} = \@when_order;
1107: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
1108: : 'now';
1109:
1110: #display of students setup
1111: my %stu_display_fields=
1112: &Apache::lonlocal::texthash('username' => 'User name',
1113: 'fullname' => 'Full name',
1114: );
1115: my @stu_display_order=('fullname','username');
1116: my @stu_display =
1117: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
1118: : keys(%stu_display_fields);
1119: my %stu_display = map { $_ => 1 } (@stu_display);
1120:
1121: #name filtering setup
1122: my %name_filter_type_fields=
1123: &Apache::lonlocal::texthash('substring' => 'Substring',
1124: 'exact' => 'Exact',
1125: #'reg' => 'Regular Expression',
1126: );
1127: my @name_filter_type_order=('substring','exact');
1128:
1129: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
1130: my $name_filter_type =
1131: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
1132: : 'substring';
1133: my $name_filter = {'type' => $name_filter_type,
1134: 'value' => $env{'form.name_filter_value'},};
1135:
1136:
1137: #deleted slot filtering
1138: #default to hide if no value
1139: $env{'form.deleted'} ||= 'hide';
1140: my $hide_radio =
1141: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
1142: my $show_radio =
1143: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
1144:
1145: $r->print('<form method="post" action="/adm/slotrequest">
1146: <input type="hidden" name="command" value="showslots" />');
1147: $r->print('<div>');
1148: $r->print('<table class="inline">
1149: <tr><th>'.&mt('Show').'</th>
1150: <th>'.&mt('Student Display').'</th>
1151: <th>'.&mt('Open').'</th>
1152: <th>'.&mt('Slot Name Filter').'</th>
1153: <th>'.&mt('Options').'</th>
1154: </tr>
1155: <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1156: '</td>
1157: <td valign="top">
1158: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1159: 6,\%stu_display_fields,
1160: \@stu_display_order).'
1161: </td>
1162: <td valign="top">'.&Apache::loncommon::select_form($when,'when',%when_fields).
1163: '</td>
1164: <td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
1165: 'name_filter_type',
1166: %name_filter_type_fields).
1167: '<br />'.
1168: &Apache::lonhtmlcommon::textbox('name_filter_value',
1169: $env{'form.name_filter_value'},
1170: 15).
1171: '</td>
1172: <td valign="top">
1173: <table>
1174: <tr>
1175: <td rowspan="2">Deleted slots:</td>
1176: <td><label>'.$show_radio.'Show</label></td>
1177: </tr>
1178: <tr>
1179: <td><label>'.$hide_radio.'Hide</label></td>
1180: </tr>
1181: </table>
1182: </td>
1183: </tr>
1184: </table>');
1185: $r->print('</div>');
1186: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1187: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1188: $r->print(&Apache::loncommon::start_data_table().
1189: &Apache::loncommon::start_data_table_header_row().'
1190: <th></th>');
1191: foreach my $which (@show_order) {
1192: if ($which ne 'proctor' && exists($show{$which})) {
1193: $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1194: }
1195: }
1196: $r->print(&Apache::loncommon::end_data_table_header_row());
1197:
1198: my %name_cache;
1199: my $slotsort = sub {
1200: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|ip|symb|allowedsections|allowedusers)$/) {
1201: if (lc($slots{$a}->{$env{'form.order'}})
1202: ne lc($slots{$b}->{$env{'form.order'}})) {
1203: return (lc($slots{$a}->{$env{'form.order'}})
1204: cmp lc($slots{$b}->{$env{'form.order'}}));
1205: }
1206: } elsif ($env{'form.order'} eq 'space') {
1207: if ($slots{$a}{'maxspace'} ne $slots{$b}{'maxspace'}) {
1208: return ($slots{$a}{'maxspace'} cmp $slots{$b}{'maxspace'});
1209: }
1210: } elsif ($env{'form.order'} eq 'name') {
1211: if (lc($a) cmp lc($b)) {
1212: return lc($a) cmp lc($b);
1213: }
1214: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1215:
1216: if ($slots{$a}->{'uniqueperiod'}[0]
1217: ne $slots{$b}->{'uniqueperiod'}[0]) {
1218: return ($slots{$a}->{'uniqueperiod'}[0]
1219: cmp $slots{$b}->{'uniqueperiod'}[0]);
1220: }
1221: if ($slots{$a}->{'uniqueperiod'}[1]
1222: ne $slots{$b}->{'uniqueperiod'}[1]) {
1223: return ($slots{$a}->{'uniqueperiod'}[1]
1224: cmp $slots{$b}->{'uniqueperiod'}[1]);
1225: }
1226: }
1227: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1228: };
1229:
1230: my %consumed;
1231: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1232: %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum);
1233: my ($tmp)=%consumed;
1234: if ($tmp =~ /^error: /) { undef(%consumed); }
1235: }
1236:
1237: foreach my $slot (sort $slotsort (keys(%slots))) {
1238: if (!&to_show($slot,$slots{$slot},$when,
1239: $env{'form.deleted'},$name_filter)) { next; }
1240: if (defined($slots{$slot}->{'type'})
1241: && $slots{$slot}->{'type'} ne 'schedulable_student') {
1242: #next;
1243: }
1244: my $description=&get_description($slot,$slots{$slot});
1245: my ($id_count,$ids);
1246:
1247: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1248: my $re_str = "$slot\0";
1249: my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed));
1250: $id_count = scalar(@this_slot);
1251: if (exists($show{'scheduled'})) {
1252: foreach my $entry (sort { $consumed{$a}{name} cmp
1253: $consumed{$b}{name} }
1254: (@this_slot)) {
1255: my (undef,$id)=split("\0",$entry);
1256: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1257: $ids.= '<span class="LC_nobreak">';
1258: foreach my $item (@stu_display_order) {
1259: if ($stu_display{$item}) {
1260: if ($item eq 'fullname') {
1261: $ids.=$fullname->{"$uname:$udom"}.' ';
1262: } elsif ($item eq 'username') {
1263: $ids.="<tt>$uname:$udom</tt> ";
1264: }
1265: }
1266: }
1267: $ids.=&remove_link($slot,$entry,$uname,$udom,
1268: $consumed{$entry}{'symb'}).'</span><br />';
1269: }
1270: }
1271: }
1272:
1273: my $start=($slots{$slot}->{'starttime'}?
1274: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1275: my $end=($slots{$slot}->{'endtime'}?
1276: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1277: my $start_reserve=($slots{$slot}->{'startreserve'}?
1278: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1279:
1280: my $unique;
1281: if (ref($slots{$slot}{'uniqueperiod'})) {
1282: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1283: localtime($slots{$slot}{'uniqueperiod'}[1]);
1284: }
1285:
1286: my $title;
1287: if (exists($slots{$slot}{'symb'})) {
1288: my (undef,undef,$res)=
1289: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1290: $res = &Apache::lonnet::clutter($res);
1291: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1292: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1293: }
1294:
1295: my $allowedsections;
1296: if (exists($show{'allowedsections'})) {
1297: $allowedsections =
1298: join(', ',sort(split(/\s*,\s*/,
1299: $slots{$slot}->{'allowedsections'})));
1300: }
1301:
1302: my @allowedusers;
1303: if (exists($show{'allowedusers'})) {
1304: @allowedusers= map {
1305: my ($uname,$udom)=split(/:/,$_);
1306: my $fullname=$name_cache{$_};
1307: if (!defined($fullname)) {
1308: $fullname = &Apache::loncommon::plainname($uname,$udom);
1309: $fullname =~s/\s/ /g;
1310: $name_cache{$_} = $fullname;
1311: }
1312: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1313: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1314: }
1315: my $allowedusers=join(', ',@allowedusers);
1316:
1317: my @proctors;
1318: my $rowspan=1;
1319: my $colspan=1;
1320: if (exists($show{'proctor'})) {
1321: $rowspan=2;
1322: @proctors= map {
1323: my ($uname,$udom)=split(/:/,$_);
1324: my $fullname=$name_cache{$_};
1325: if (!defined($fullname)) {
1326: $fullname = &Apache::loncommon::plainname($uname,$udom);
1327: $fullname =~s/\s/ /g;
1328: $name_cache{$_} = $fullname;
1329: }
1330: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1331: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1332: }
1333: my $proctors=join(', ',@proctors);
1334:
1335: my %lt = &Apache::lonlocal::texthash (
1336: edit => 'Edit',
1337: delete => 'Delete',
1338: slotlog => 'History',
1339: );
1340: my $edit=(<<"EDITLINK");
1341: <a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
1342: EDITLINK
1343:
1344: my $delete=(<<"DELETELINK");
1345: <a href="/adm/slotrequest?command=delete&slotname=$slot">$lt{'delete'}</a>
1346: DELETELINK
1347:
1348: my $showlog=(<<"LOGLINK");
1349: <a href="/adm/slotrequest?command=slotlog&slotname=$slot">$lt{'slotlog'}</a>
1350: LOGLINK
1351:
1352: my $remove_all=&remove_link($slot,'remove all').'<br />';
1353:
1354: if ($ids eq '') {
1355: undef($remove_all);
1356: } else {
1357: undef($delete);
1358: }
1359: if ($slots{$slot}{'type'} ne 'schedulable_student') {
1360: undef($showlog);
1361: undef($remove_all);
1362: }
1363:
1364: my $row_start=&Apache::loncommon::start_data_table_row();
1365: my $row_end=&Apache::loncommon::end_data_table_row();
1366: $r->print($row_start.
1367: "\n<td rowspan=\"$rowspan\">$edit $delete $showlog</td>\n");
1368: if (exists($show{'name'})) {
1369: $colspan++;$r->print("<td>$slot</td>");
1370: }
1371: if (exists($show{'description'})) {
1372: $colspan++;$r->print("<td>$description</td>\n");
1373: }
1374: if (exists($show{'type'})) {
1375: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1376: }
1377: if (exists($show{'starttime'})) {
1378: $colspan++;$r->print("<td>$start</td>\n");
1379: }
1380: if (exists($show{'endtime'})) {
1381: $colspan++;$r->print("<td>$end</td>\n");
1382: }
1383: if (exists($show{'startreserve'})) {
1384: $colspan++;$r->print("<td>$start_reserve</td>\n");
1385: }
1386: if (exists($show{'secret'})) {
1387: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1388: }
1389: if (exists($show{'space'})) {
1390: my $display = $id_count;
1391: if ($slots{$slot}{'maxspace'}>0) {
1392: $display.='/'.$slots{$slot}{'maxspace'};
1393: if ($slots{$slot}{'maxspace'} <= $id_count) {
1394: $display = '<strong>'.$display.' (full) </strong>';
1395: }
1396: }
1397: $colspan++;$r->print("<td>$display</td>\n");
1398: }
1399: if (exists($show{'ip'})) {
1400: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1401: }
1402: if (exists($show{'symb'})) {
1403: $colspan++;$r->print("<td>$title</td>\n");
1404: }
1405: if (exists($show{'allowedsections'})) {
1406: $colspan++;$r->print("<td>$allowedsections</td>\n");
1407: }
1408: if (exists($show{'allowedusers'})) {
1409: $colspan++;$r->print("<td>$allowedusers</td>\n");
1410: }
1411: if (exists($show{'uniqueperiod'})) {
1412: $colspan++;$r->print("<td>$unique</td>\n");
1413: }
1414: if (exists($show{'scheduled'})) {
1415: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1416: }
1417: $r->print("$row_end\n");
1418: if (exists($show{'proctor'})) {
1419: $r->print(<<STUFF);
1420: $row_start
1421: <td colspan="$colspan">$proctors</td>
1422: $row_end
1423: STUFF
1424: }
1425: }
1426: $r->print(&Apache::loncommon::end_data_table().'</form>');
1427: return;
1428: }
1429:
1430: sub manage_reservations {
1431: my ($r,$type) = @_;
1432: my $navmap = Apache::lonnavmaps::navmap->new();
1433: $r->print('<p>'
1434: .&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.')
1435: .'<br />'
1436: .&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.')
1437: .'</p><p>'
1438: .&mt('Your reservation status for any such assignments is listed below:')
1439: .'</p>'
1440: );
1441: if (!defined($navmap)) {
1442: $r->print('<div class="LC_error">'.
1443: &mt('Unable to retrieve information about course contents').
1444: '</div>');
1445: &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
1446: return;
1447: }
1448: my (%parent,%shownparent,%container,%container_title,%contents);
1449: my ($depth,$count,$reservable,$lastcontainer,$rownum) = (0,0,0,0,0);
1450: my @backgrounds = ("LC_odd_row","LC_even_row");
1451: my $numcolors = scalar(@backgrounds);
1452: my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
1453: $r->print('<table class="LC_data_table LC_tableOfContent">'."\n");
1454: my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
1455: while (my $resource = $it->next()) {
1456: if ($resource == $it->BEGIN_MAP()) {
1457: $depth++;
1458: $parent{$depth} = $lastcontainer;
1459: }
1460: if ($resource == $it->END_MAP()) {
1461: $depth--;
1462: $lastcontainer = $parent{$depth};
1463: }
1464: if (ref($resource)) {
1465: my $symb = $resource->symb();
1466: my $ressymb = $symb;
1467: $contents{$lastcontainer} ++;
1468: next if (!$resource->is_problem() && !$resource->is_sequence() &&
1469: !$resource->is_page());
1470: $count ++;
1471: if (($resource->is_sequence()) || ($resource->is_page())) {
1472: $lastcontainer = $count;
1473: $container{$lastcontainer} = $resource;
1474: $container_title{$lastcontainer} = $resource->compTitle();
1475: }
1476: if ($resource->is_problem()) {
1477: my ($useslots) = $resource->slot_control();
1478: next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i));
1479: my ($msg,$get_choices,$slotdescription);
1480: my $title = $resource->compTitle();
1481: my $status = $resource->simpleStatus('0');
1482: my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0');
1483: if ($slot_name ne '') {
1484: my %slot=&Apache::lonnet::get_slot($slot_name);
1485: $slotdescription=&get_description($slot_name,\%slot);
1486: }
1487: if ($slot_status == $resource->NOT_IN_A_SLOT) {
1488: $msg=&mt('No current reservation.');
1489: $get_choices = 1;
1490: } elsif ($slot_status == $resource->NEEDS_CHECKIN) {
1491: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1492: ' '.$slotdescription.'</span><br />'.
1493: &mt('Access requires proctor validation.');
1494: } elsif ($slot_status == $resource->WAITING_FOR_GRADE) {
1495: $msg=&mt('Submitted and currently in grading queue.');
1496: } elsif ($slot_status == $resource->CORRECT) {
1497: $msg=&mt('Problem is unavailable.');
1498: } elsif ($slot_status == $resource->RESERVED) {
1499: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1500: ' '.$slotdescription.'</span><br />'.
1501: &mt('Problem is currently available.');
1502: } elsif ($slot_status == $resource->RESERVED_LOCATION) {
1503: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1504: ' '.$slotdescription.'</span><br />'.
1505: &mt('Problem is available at a different location.');
1506: $get_choices = 1;
1507: } elsif ($slot_status == $resource->RESERVED_LATER) {
1508: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1509: ' '.$slotdescription.'</span><br />'.
1510: &mt('Problem will be available later.');
1511: $get_choices = 1;
1512: } elsif ($slot_status == $resource->RESERVABLE) {
1513: $msg=&mt('Reservation needed');
1514: $get_choices = 1;
1515: } elsif ($slot_status == $resource->NOTRESERVABLE) {
1516: $msg=&mt('Reservation needed: none available.');
1517: } elsif ($slot_status == $resource->UNKNOWN) {
1518: $msg=&mt('Unable to determine status due to network problems.');
1519: } else {
1520: if ($status != $resource->OPEN) {
1521: $msg = &Apache::lonnavmaps::getDescription($resource,'0');
1522: }
1523: }
1524: $reservable ++;
1525: my $treelevel = $depth;
1526: my $higherup = $lastcontainer;
1527: if ($depth > 1) {
1528: my @maprows;
1529: while ($treelevel > 1) {
1530: if (ref($container{$higherup})) {
1531: my $res = $container{$higherup};
1532: last if (defined($shownparent{$higherup}));
1533: my $maptitle = $res->compTitle();
1534: my $type = 'sequence';
1535: if ($res->is_page()) {
1536: $type = 'page';
1537: }
1538: &show_map_row($treelevel,$location,$type,$maptitle,
1539: \@maprows);
1540: $shownparent{$higherup} = 1;
1541: }
1542: $treelevel --;
1543: $higherup = $parent{$treelevel};
1544: }
1545: foreach my $item (@maprows) {
1546: $rownum ++;
1547: my $bgcolor = $backgrounds[$rownum % $numcolors];
1548: $r->print('<tr class="'.$bgcolor.'">'.$item.'</tr>'."\n");
1549: }
1550: }
1551: $rownum ++;
1552: my $bgcolor = $backgrounds[$rownum % $numcolors];
1553: $r->print('<tr class="'.$bgcolor.'"><td>'."\n");
1554: for (my $i=0; $i<$depth; $i++) {
1555: $r->print('<img src="'.$location.'" alt="" />');
1556: }
1557: my $result = '<a href="'.$resource->src().'?symb='.$symb.'">'.
1558: '<img class="LC_contentImage" src="/adm/lonIcons/';
1559: if ($resource->is_task()) {
1560: $result .= 'task.gif" alt="'.&mt('Task');
1561: } else {
1562: $result .= 'problem.gif" alt="'.&mt('Problem');
1563: }
1564: $result .= '" /><b>'.$title.'</b></a>'.(' ' x6).'</td>';
1565: my $hasaction;
1566: if ($status == $resource->OPEN) {
1567: if ($get_choices) {
1568: $hasaction = 1;
1569: }
1570: }
1571: if ($hasaction) {
1572: $result .= '<td valgn="middle">'.$msg.'</td>'.
1573: '<td valign="middle">'.(' ' x6);
1574: } else {
1575: $result .= '<td colspan="2" valign="middle">'.$msg.'</td>';
1576: }
1577: $r->print($result);
1578: if ($hasaction) {
1579: my $formname = 'manageres_'.$reservable;
1580: &show_choices($r,$symb,$formname);
1581: $r->print('</td>');
1582: }
1583: $r->print('</tr>');
1584: }
1585: }
1586: }
1587: if (!$reservable) {
1588: $r->print('<span class="LC_info">'.&mt('No course items currently require a reservation to gain access.').'</span>');
1589: }
1590: $r->print('</table>'.
1591: '<p><a href="/adm/slotrequest?command=showresv">'.
1592: &mt('Reservation History').'</a></p>');
1593: }
1594:
1595: sub show_map_row {
1596: my ($depth,$location,$type,$title,$maprows) = @_;
1597: my $output = '<td>';
1598: for (my $i=0; $i<$depth-1; $i++) {
1599: $output .= '<img src="'.$location.'" alt="" />';
1600: }
1601: if ($type eq 'page') {
1602: $output .= '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" /> '."\n";
1603: } else {
1604: $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n";
1605: }
1606: $output .= $title.'</td><td colspan="2"> </td>'."\n";
1607: unshift (@{$maprows},$output);
1608: return;
1609: }
1610:
1611: sub show_reservations {
1612: my ($r,$uname,$udom) = @_;
1613: if (!defined($uname)) {
1614: $uname = $env{'user.name'};
1615: }
1616: if (!defined($udom)) {
1617: $udom = $env{'user.domain'};
1618: }
1619: my $formname = 'slotlog';
1620: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1621: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1622: my %log=&Apache::lonnet::dump('nohist_'.$cdom.'_'.$cnum.'_slotlog',$udom,$uname);
1623: if ($env{'form.origin'} eq 'aboutme') {
1624: $r->print('<div class="LC_fontsize_large">'.
1625: &mt('History of student-reservable slots for: [_1]',
1626: &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'},
1627: 'firstname')).'</div>');
1628: }
1629: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1630: # set defaults
1631: my $now = time();
1632: my $defstart = $now - (7*24*3600); #7 days ago
1633: my %defaults = (
1634: page => '1',
1635: show => '10',
1636: action => 'any',
1637: log_start_date => $defstart,
1638: log_end_date => $now,
1639: );
1640: my $more_records = 0;
1641:
1642: # set current
1643: my %curr;
1644: foreach my $item ('show','page','action') {
1645: $curr{$item} = $env{'form.'.$item};
1646: }
1647: my ($startdate,$enddate) =
1648: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1649: 'log_end_date');
1650: $curr{'log_start_date'} = $startdate;
1651: $curr{'log_end_date'} = $enddate;
1652: foreach my $key (keys(%defaults)) {
1653: if ($curr{$key} eq '') {
1654: $curr{$key} = $defaults{$key};
1655: }
1656: }
1657: my ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1658: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version));
1659: my $showntablehdr = 0;
1660: my $tablehdr = &Apache::loncommon::start_data_table().
1661: &Apache::loncommon::start_data_table_header_row().
1662: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Action').'</th>'.
1663: '<th>'.&mt('Description').'</th><th>'.&mt('Start time').'</th>'.
1664: '<th>'.&mt('End time').'</th><th>'.&mt('Resource').'</th>'.
1665: &Apache::loncommon::end_data_table_header_row();
1666: my ($minshown,$maxshown);
1667: $minshown = 1;
1668: my $count = 0;
1669: if ($curr{'show'} ne &mt('all')) {
1670: $maxshown = $curr{'page'} * $curr{'show'};
1671: if ($curr{'page'} > 1) {
1672: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1673: }
1674: }
1675: my (%titles,%maptitles);
1676: my %lt = &reservationlog_contexts();
1677: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1678: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1679: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1680: if ($curr{'show'} ne &mt('all')) {
1681: if ($count >= $curr{'page'} * $curr{'show'}) {
1682: $more_records = 1;
1683: last;
1684: }
1685: }
1686: if ($curr{'action'} ne 'any') {
1687: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1688: }
1689: $count ++;
1690: next if ($count < $minshown);
1691: if (!$showntablehdr) {
1692: $r->print($tablehdr);
1693: $showntablehdr = 1;
1694: }
1695: my $symb = $log{$id}{'logentry'}{'symb'};
1696: my $slot_name = $log{$id}{'logentry'}{'slot'};
1697: my %slot=&Apache::lonnet::get_slot($slot_name);
1698: my $description = $slot{'description'};
1699: my $start = ($slot{'starttime'}?
1700: &Apache::lonlocal::locallocaltime($slot{'starttime'}):'');
1701: my $end = ($slot{'endtime'}?
1702: &Apache::lonlocal::locallocaltime($slot{'endtime'}):'');
1703: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1704: my $chgaction = $log{$id}{'logentry'}{'action'};
1705: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1706: $chgaction = $lt{$chgaction};
1707: }
1708: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$chgaction.'</td><td>'.$description.'</td><td>'.$start.'</td><td>'.$end.'</td><td>'.$title.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1709: }
1710: if ($showntablehdr) {
1711: $r->print(&Apache::loncommon::end_data_table().'<br />');
1712: if (($curr{'page'} > 1) || ($more_records)) {
1713: $r->print('<table><tr>');
1714: if ($curr{'page'} > 1) {
1715: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1716: }
1717: if ($more_records) {
1718: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1719: }
1720: $r->print('</tr></table>');
1721: $r->print(<<"ENDSCRIPT");
1722: <script type="text/javascript">
1723: function chgPage(caller) {
1724: if (caller == 'previous') {
1725: document.$formname.page.value --;
1726: }
1727: if (caller == 'next') {
1728: document.$formname.page.value ++;
1729: }
1730: document.$formname.submit();
1731: return;
1732: }
1733: </script>
1734: ENDSCRIPT
1735: }
1736: } else {
1737: $r->print('<span class="LC_info">'
1738: .&mt('There are no transactions to display')
1739: .'</span>'
1740: );
1741: }
1742: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'."\n".
1743: '<input type="hidden" name="command" value="showresv" />'."\n");
1744: if ($env{'form.origin'} eq 'aboutme') {
1745: $r->print('<input type="hidden" name="origin" value="'.$env{'form.origin'}.'" />'."\n".
1746: '<input type="hidden" name="uname" value="'.$env{'form.uname'}.'" />'."\n".
1747: '<input type="hidden" name="udom" value="'.$env{'form.udom'}.'" />'."\n");
1748: }
1749: $r->print('</form>');
1750: return;
1751: }
1752:
1753: sub show_reservations_log {
1754: my ($r) = @_;
1755: my $badslot;
1756: if ($env{'form.slotname'} eq '') {
1757: $r->print('<div class="LC_warning">'.&mt('No slot name provided').'</div>');
1758: $badslot = 1;
1759: } else {
1760: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1761: if (keys(%slot) == 0) {
1762: $r->print('<div class="LC_warning">'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'</div>');
1763: $badslot = 1;
1764: } elsif ($slot{type} ne 'schedulable_student') {
1765: my $description = &get_description($env{'form.slotname'},\%slot);
1766: $r->print('<div class="LC_warning">'.&mt('Reservation history unavailable for non-student-reservable slot: [_1].',$description).'</div>');
1767: $badslot = 1;
1768: }
1769: }
1770: if ($badslot) {
1771: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
1772: &mt('Return to slot list').'</a></p>');
1773: return;
1774: }
1775: my $formname = 'reservationslog';
1776: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1777: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1778: my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$cdom,$cnum);
1779: if ((keys(%slotlog))[0]=~/^error\:/) { undef(%slotlog); }
1780:
1781: my (%log,@allsymbs);
1782: if (keys(%slotlog)) {
1783: foreach my $key (keys(%slotlog)) {
1784: if (ref($slotlog{$key}) eq 'HASH') {
1785: if (ref($slotlog{$key}{'logentry'}) eq 'HASH') {
1786: if ($slotlog{$key}{'logentry'}{'slot'} eq $env{'form.slotname'}) {
1787: $log{$key} = $slotlog{$key};
1788: if ($slotlog{$key}{'logentry'}{'symb'} ne '') {
1789: push(@allsymbs,$slotlog{$key}{'logentry'}{'symb'});
1790: }
1791: }
1792: }
1793: }
1794: }
1795: }
1796:
1797: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1798: my %saveable_parameters = ('show' => 'scalar',);
1799: &Apache::loncommon::store_course_settings('reservationslog',
1800: \%saveable_parameters);
1801: &Apache::loncommon::restore_course_settings('reservationslog',
1802: \%saveable_parameters);
1803: # set defaults
1804: my $now = time();
1805: my $defstart = $now - (7*24*3600); #7 days ago
1806: my %defaults = (
1807: page => '1',
1808: show => '10',
1809: chgcontext => 'any',
1810: action => 'any',
1811: symb => 'any',
1812: log_start_date => $defstart,
1813: log_end_date => $now,
1814: );
1815: my $more_records = 0;
1816:
1817: # set current
1818: my %curr;
1819: foreach my $item ('show','page','chgcontext','action','symb') {
1820: $curr{$item} = $env{'form.'.$item};
1821: }
1822: my ($startdate,$enddate) =
1823: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1824: 'log_end_date');
1825: $curr{'log_start_date'} = $startdate;
1826: $curr{'log_end_date'} = $enddate;
1827: foreach my $key (keys(%defaults)) {
1828: if ($curr{$key} eq '') {
1829: $curr{$key} = $defaults{$key};
1830: }
1831: }
1832: my (%whodunit,%changed,$version);
1833: ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1834:
1835: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1836: my $description = $slot{'description'};
1837: $r->print('<span class="LC_fontsize_large">'.
1838: &mt('Reservation changes for student-reservable slot: [_1]',$description).'</span><br />');
1839:
1840: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs));
1841: my $showntablehdr = 0;
1842: my $tablehdr = &Apache::loncommon::start_data_table().
1843: &Apache::loncommon::start_data_table_header_row().
1844: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Who made the change').
1845: '</th><th>'.&mt('Affected User').'</th><th>'.&mt('Action').'</th>'.
1846: '<th>'.&mt('Resource').'</th><th>'.&mt('Context').'</th>'.
1847: &Apache::loncommon::end_data_table_header_row();
1848: my ($minshown,$maxshown);
1849: $minshown = 1;
1850: my $count = 0;
1851: if ($curr{'show'} ne &mt('all')) {
1852: $maxshown = $curr{'page'} * $curr{'show'};
1853: if ($curr{'page'} > 1) {
1854: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1855: }
1856: }
1857: my %lt = &reservationlog_contexts();
1858: my (%titles,%maptitles);
1859: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1860: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1861: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1862: if ($curr{'show'} ne &mt('all')) {
1863: if ($count >= $curr{'page'} * $curr{'show'}) {
1864: $more_records = 1;
1865: last;
1866: }
1867: }
1868: if ($curr{'chgcontext'} ne 'any') {
1869: if ($curr{'chgcontext'} eq 'user') {
1870: next if (($log{$id}{'logentry'}{'context'} ne 'user') &&
1871: ($log{$id}{'logentry'}{'context'} ne 'usermanage'));
1872: } else {
1873: next if ($log{$id}{'logentry'}{'context'} ne $curr{'chgcontext'});
1874: }
1875: }
1876: if ($curr{'action'} ne 'any') {
1877: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1878: }
1879: if ($curr{'symb'} ne 'any') {
1880: next if ($log{$id}{'logentry'}{'symb'} ne $curr{'symb'});
1881: }
1882: $count ++;
1883: next if ($count < $minshown);
1884: if (!$showntablehdr) {
1885: $r->print($tablehdr);
1886: $showntablehdr = 1;
1887: }
1888: if ($whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} eq '') {
1889: $whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} =
1890: &Apache::loncommon::plainname($log{$id}{'exe_uname'},$log{$id}{'exe_udom'});
1891: }
1892: if ($changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} eq '') {
1893: $changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} =
1894: &Apache::loncommon::plainname($log{$id}{'uname'},$log{$id}{'udom'});
1895: }
1896: my $symb = $log{$id}{'logentry'}{'symb'};
1897: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1898: my $chgcontext = $log{$id}{'logentry'}{'context'};
1899: if ($chgcontext ne '' && $lt{$chgcontext} ne '') {
1900: $chgcontext = $lt{$chgcontext};
1901: }
1902: my $chgaction = $log{$id}{'logentry'}{'action'};
1903: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1904: $chgaction = $lt{$chgaction};
1905: }
1906: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$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>'.$chgcontext.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1907: }
1908: if ($showntablehdr) {
1909: $r->print(&Apache::loncommon::end_data_table().'<br />');
1910: if (($curr{'page'} > 1) || ($more_records)) {
1911: $r->print('<table><tr>');
1912: if ($curr{'page'} > 1) {
1913: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1914: }
1915: if ($more_records) {
1916: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1917: }
1918: $r->print('</tr></table>');
1919: $r->print(<<"ENDSCRIPT");
1920: <script type="text/javascript">
1921: function chgPage(caller) {
1922: if (caller == 'previous') {
1923: document.$formname.page.value --;
1924: }
1925: if (caller == 'next') {
1926: document.$formname.page.value ++;
1927: }
1928: document.$formname.submit();
1929: return;
1930: }
1931: </script>
1932: ENDSCRIPT
1933: }
1934: } else {
1935: $r->print(&mt('There are no records to display'));
1936: }
1937: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'.
1938: '<input type="hidden" name="slotname" value="'.$env{'form.slotname'}.'" />'.
1939: '<input type="hidden" name="command" value="slotlog" /></form>'.
1940: '<p><a href="/adm/slotrequest?command=showslots">'.
1941: &mt('Return to slot list').'</a></p>');
1942: return;
1943: }
1944:
1945: sub get_resource_title {
1946: my ($symb,$titles,$maptitles) = @_;
1947: my $title;
1948: if ((ref($titles) eq 'HASH') && (ref($maptitles) eq 'HASH')) {
1949: if (defined($titles->{$symb})) {
1950: $title = $titles->{$symb};
1951: } else {
1952: $title = &Apache::lonnet::gettitle($symb);
1953: my $maptitle;
1954: my ($mapurl) = &Apache::lonnet::decode_symb($symb);
1955: if (defined($maptitles->{$mapurl})) {
1956: $maptitle = $maptitles->{$mapurl};
1957: } else {
1958: if ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) {
1959: $maptitle=&mt('Main Course Documents');
1960: } else {
1961: $maptitle=&Apache::lonnet::gettitle($mapurl);
1962: }
1963: $maptitles->{$mapurl} = $maptitle;
1964: }
1965: if ($maptitle ne '') {
1966: $title .= ' '.&mt('(in [_1])',$maptitle);
1967: }
1968: $titles->{$symb} = $title;
1969: }
1970: } else {
1971: $title = $symb;
1972: }
1973: return $title;
1974: }
1975:
1976: sub reservationlog_contexts {
1977: my %lt = &Apache::lonlocal::texthash (
1978: any => 'Any',
1979: user => 'By student',
1980: manage => 'Via Slot Manager',
1981: parameter => 'Via Parameter Manager',
1982: reserve => 'Made reservation',
1983: release => 'Dropped reservation',
1984: usermanage => 'By student',
1985: );
1986: return %lt;
1987: }
1988:
1989: sub display_filter {
1990: my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_;
1991: my $nolink = 1;
1992: my (%titles,%maptitles);
1993: my $output = '<br /><table><tr><td valign="top">'.
1994: '<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
1995: &Apache::lonmeta::selectbox('show',$curr->{'show'},undef,
1996: (&mt('all'),5,10,20,50,100,1000,10000)).
1997: '</td><td> </td>';
1998: my $startform =
1999: &Apache::lonhtmlcommon::date_setter($formname,'log_start_date',
2000: $curr->{'log_start_date'},undef,
2001: undef,undef,undef,undef,undef,undef,$nolink);
2002: my $endform =
2003: &Apache::lonhtmlcommon::date_setter($formname,'log_end_date',
2004: $curr->{'log_end_date'},undef,
2005: undef,undef,undef,undef,undef,undef,$nolink);
2006: my %lt = &reservationlog_contexts();
2007: $output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
2008: '</b><br /><table><tr><td>'.&mt('After:').
2009: '</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
2010: $endform.'</td></tr></table></td><td> </td>';
2011: if (ref($allsymbs) eq 'ARRAY') {
2012: $output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
2013: '<select name="resource"><option value="any"';
2014: if ($curr->{'resource'} eq 'any') {
2015: $output .= ' selected="selected"';
2016: }
2017: $output .= '>'.&mt('Any').'</option>'."\n";
2018: foreach my $symb (@{$allsymbs}) {
2019: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2020: my $selstr = '';
2021: if ($curr->{'resource'} eq $symb) {
2022: $selstr = ' selected="selected"';
2023: }
2024: $output .= ' <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
2025: }
2026: $output .= '</select></td><td> </td><td valign="top"><b>'.
2027: &mt('Context:').'</b><br /><select name="chgcontext">';
2028: foreach my $chgtype ('any','user','manage','parameter') {
2029: my $selstr = '';
2030: if ($curr->{'chgcontext'} eq $chgtype) {
2031: $output .= $selstr = ' selected="selected"';
2032: }
2033: $output .= '<option value="'.$chgtype.'"'.$selstr.'>'.$lt{$chgtype}.'</option>'."\n";
2034: }
2035: $output .= '</select></td>';
2036: } else {
2037: $output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
2038: '<select name="action"><option value="any"';
2039: if ($curr->{'action'} eq 'any') {
2040: $output .= ' selected="selected"';
2041: }
2042: $output .= '>'.&mt('Any').'</option>'."\n";
2043: foreach my $actiontype ('reserve','release') {
2044: my $selstr = '';
2045: if ($curr->{'action'} eq $actiontype) {
2046: $output .= $selstr = ' selected="selected"';
2047: }
2048: $output .= '<option value="'.$actiontype.'"'.$selstr.'>'.$lt{$actiontype}.'</option>'."\n";
2049: }
2050: $output .= '</select></td>';
2051: }
2052: $output .= '<td> </td><td valign="middle"><input type="submit" value="'.
2053: &mt('Update Display').'" /></tr></table>'.
2054: '<span class="LC_roleslog_note">'.
2055: &mt('[_1]Note:[_2] Only changes made from servers running LON-CAPA 2.8.99.0 or later are displayed.');
2056: if ($version) {
2057: $output .= ' '.&mt('This server is version [_3].','<b>','</b>',$version);
2058: }
2059: $output .= '</span><hr noshade><br />';
2060: return $output;
2061: }
2062:
2063: sub upload_start {
2064: my ($r)=@_;
2065: $r->print(&Apache::grades::checkforfile_js());
2066: my $result.='<table width="100%" border="0"><tr bgcolor="#E6FFFF"><td>'."\n";
2067: $result.=' <b>'.
2068: &mt('Specify a file containing the slot definitions.').
2069: '</b></td></tr>'."\n";
2070: $result.='<tr bgcolor="#ffffe6"><td>'."\n";
2071: my $upfile_select=&Apache::loncommon::upfile_select_html();
2072: my $ignore=&mt('Ignore First Line');
2073: $result.=<<ENDUPFORM;
2074: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
2075: <input type="hidden" name="command" value="csvuploadmap" />
2076: $upfile_select
2077: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Data" />
2078: <label><input type="checkbox" name="noFirstLine" />$ignore</label>
2079: </form>
2080: ENDUPFORM
2081: $result.='</td></tr></table>'."\n";
2082: $result.='</td></tr></table>'."\n";
2083: $r->print($result);
2084: }
2085:
2086: sub csvuploadmap_header {
2087: my ($r,$datatoken,$distotal)= @_;
2088: my $javascript;
2089: if ($env{'form.upfile_associate'} eq 'reverse') {
2090: $javascript=&csvupload_javascript_reverse_associate();
2091: } else {
2092: $javascript=&csvupload_javascript_forward_associate();
2093: }
2094:
2095: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
2096: my $ignore=&mt('Ignore First Line');
2097: my $help_field = &Apache::loncommon::help_open_topic('Slot SelectingField');
2098:
2099: $r->print(<<ENDPICK);
2100: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
2101: <h3>Identify fields $help_field</h3>
2102: Total number of records found in file: $distotal <hr />
2103: Enter as many fields as you can. The system will inform you and bring you back
2104: to this page if the data selected is insufficient to create the slots.<hr />
2105: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
2106: <label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
2107: <input type="hidden" name="associate" value="" />
2108: <input type="hidden" name="datatoken" value="$datatoken" />
2109: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
2110: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
2111: <input type="hidden" name="upfile_associate"
2112: value="$env{'form.upfile_associate'}" />
2113: <input type="hidden" name="command" value="csvuploadassign" />
2114: <hr />
2115: <script type="text/javascript" language="Javascript">
2116: $javascript
2117: </script>
2118: ENDPICK
2119: return '';
2120:
2121: }
2122:
2123: sub csvuploadmap_footer {
2124: my ($request,$i,$keyfields) =@_;
2125: my $buttontext = &mt('Create Slots');
2126: $request->print(<<ENDPICK);
2127: </table>
2128: <input type="hidden" name="nfields" value="$i" />
2129: <input type="hidden" name="keyfields" value="$keyfields" />
2130: <input type="button" onClick="javascript:verify(this.form)" value="$buttontext" /><br />
2131: </form>
2132: ENDPICK
2133: }
2134:
2135: sub csvupload_javascript_reverse_associate {
2136: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2137: return(<<ENDPICK);
2138: function verify(vf) {
2139: var foundstart=0;
2140: var foundend=0;
2141: var foundname=0;
2142: var foundtype=0;
2143: for (i=0;i<=vf.nfields.value;i++) {
2144: tw=eval('vf.f'+i+'.selectedIndex');
2145: if (i==0 && tw!=0) { foundname=1; }
2146: if (i==1 && tw!=0) { foundtype=1; }
2147: if (i==2 && tw!=0) { foundstat=1; }
2148: if (i==3 && tw!=0) { foundend=1; }
2149: }
2150: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2151: alert('$error1');
2152: return;
2153: }
2154: vf.submit();
2155: }
2156: function flip(vf,tf) {
2157: }
2158: ENDPICK
2159: }
2160:
2161: sub csvupload_javascript_forward_associate {
2162: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2163: return(<<ENDPICK);
2164: function verify(vf) {
2165: var foundstart=0;
2166: var foundend=0;
2167: var foundname=0;
2168: var foundtype=0;
2169: for (i=0;i<=vf.nfields.value;i++) {
2170: tw=eval('vf.f'+i+'.selectedIndex');
2171: if (tw==1) { foundname=1; }
2172: if (tw==2) { foundtype=1; }
2173: if (tw==3) { foundstat=1; }
2174: if (tw==4) { foundend=1; }
2175: }
2176: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2177: alert('$error1');
2178: return;
2179: }
2180: vf.submit();
2181: }
2182: function flip(vf,tf) {
2183: }
2184: ENDPICK
2185: }
2186:
2187: sub csv_upload_map {
2188: my ($r)= @_;
2189:
2190: my $datatoken;
2191: if (!$env{'form.datatoken'}) {
2192: $datatoken=&Apache::loncommon::upfile_store($r);
2193: } else {
2194: $datatoken=$env{'form.datatoken'};
2195: &Apache::loncommon::load_tmp_file($r);
2196: }
2197: my @records=&Apache::loncommon::upfile_record_sep();
2198: if ($env{'form.noFirstLine'}) { shift(@records); }
2199: &csvuploadmap_header($r,$datatoken,$#records+1);
2200: my ($i,$keyfields);
2201: if (@records) {
2202: my @fields=&csvupload_fields();
2203:
2204: if ($env{'form.upfile_associate'} eq 'reverse') {
2205: &Apache::loncommon::csv_print_samples($r,\@records);
2206: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
2207: \@fields);
2208: foreach (@fields) { $keyfields.=$_->[0].','; }
2209: chop($keyfields);
2210: } else {
2211: unshift(@fields,['none','']);
2212: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
2213: \@fields);
2214: my %sone=&Apache::loncommon::record_sep($records[0]);
2215: $keyfields=join(',',sort(keys(%sone)));
2216: }
2217: }
2218: &csvuploadmap_footer($r,$i,$keyfields);
2219:
2220: return '';
2221: }
2222:
2223: sub csvupload_fields {
2224: return (['name','Slot name'],
2225: ['type','Type of slot'],
2226: ['starttime','Start Time of slot'],
2227: ['endtime','End Time of slot'],
2228: ['startreserve','Reservation Start Time'],
2229: ['ip','IP or DNS restriction'],
2230: ['proctor','List of proctor ids'],
2231: ['description','Slot Description'],
2232: ['maxspace','Maximum number of reservations'],
2233: ['symb','Resource Restriction'],
2234: ['uniqueperiod','Date range of slot exclusion'],
2235: ['secret','Secret word proctor uses to validate'],
2236: ['allowedsections','Sections slot is restricted to'],
2237: ['allowedusers','Users slot is restricted to'],
2238: );
2239: }
2240:
2241: sub csv_upload_assign {
2242: my ($r,$mgr)= @_;
2243: &Apache::loncommon::load_tmp_file($r);
2244: my @slotdata = &Apache::loncommon::upfile_record_sep();
2245: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
2246: my %fields=&Apache::grades::get_fields();
2247: $r->print('<h3>'.&mt('Creating Slots').'</h3>');
2248: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
2249: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2250: my $countdone=0;
2251: my @errors;
2252: foreach my $slot (@slotdata) {
2253: my %slot;
2254: my %entries=&Apache::loncommon::record_sep($slot);
2255: my $domain;
2256: my $name=$entries{$fields{'name'}};
2257: if ($name=~/^\s*$/) {
2258: push(@errors,"Did not create slot with no name");
2259: next;
2260: }
2261: if ($name=~/\s/) {
2262: push(@errors,"$name not created -- Name must not contain spaces");
2263: next;
2264: }
2265: if ($name=~/\W/) {
2266: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
2267: next;
2268: }
2269: if ($entries{$fields{'type'}}) {
2270: $slot{'type'}=$entries{$fields{'type'}};
2271: } else {
2272: $slot{'type'}='preassigned';
2273: }
2274: if ($slot{'type'} ne 'preassigned' &&
2275: $slot{'type'} ne 'schedulable_student') {
2276: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
2277: next;
2278: }
2279: if ($entries{$fields{'starttime'}}) {
2280: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
2281: }
2282: if ($entries{$fields{'endtime'}}) {
2283: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
2284: }
2285:
2286: # start/endtime must be defined and greater than zero
2287: if (!$slot{'starttime'}) {
2288: push(@errors,"$name not created -- Invalid start time");
2289: next;
2290: }
2291: if (!$slot{'endtime'}) {
2292: push(@errors,"$name not created -- Invalid end time");
2293: next;
2294: }
2295: if ($slot{'starttime'} > $slot{'endtime'}) {
2296: push(@errors,"$name not created -- Slot starts after it ends");
2297: next;
2298: }
2299:
2300: if ($entries{$fields{'startreserve'}}) {
2301: $slot{'startreserve'}=
2302: &UnixDate($entries{$fields{'startreserve'}},"%s");
2303: }
2304: if (defined($slot{'startreserve'})
2305: && $slot{'startreserve'} > $slot{'starttime'}) {
2306: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
2307: next;
2308: }
2309:
2310: foreach my $key ('ip','proctor','description','maxspace',
2311: 'secret','symb') {
2312: if ($entries{$fields{$key}}) {
2313: $slot{$key}=$entries{$fields{$key}};
2314: }
2315: }
2316:
2317: if ($entries{$fields{'uniqueperiod'}}) {
2318: my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
2319: my @times=(&UnixDate($start,"%s"),
2320: &UnixDate($end,"%s"));
2321: $slot{'uniqueperiod'}=\@times;
2322: }
2323: if (defined($slot{'uniqueperiod'})
2324: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
2325: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
2326: next;
2327: }
2328:
2329: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
2330: $r->print('.');
2331: $r->rflush();
2332: $countdone++;
2333: }
2334: $r->print('<p>'.&mt('Created [quant,_1,slot]',$countdone)."\n".'</p>');
2335: foreach my $error (@errors) {
2336: $r->print('<p><span class="LC_warning">'.$error.'</span></p>'."\n");
2337: }
2338: &show_table($r,$mgr);
2339: return '';
2340: }
2341:
2342: sub slot_command_titles {
2343: my %titles = (
2344: slotlog => 'Reservation Logs',
2345: showslots => 'Manage Slots',
2346: showresv => 'Reservation History',
2347: manageresv => 'Manage Reservations',
2348: uploadstart => 'Upload Slots File',
2349: csvuploadmap => 'Upload Slots File',
2350: csvuploadassign => 'Upload Slots File',
2351: delete => 'Slot Deletion',
2352: release => 'Reservation Result',
2353: remove_reservation => 'Remove Registration',
2354: get_reservation => 'Request Reservation',
2355: );
2356: return %titles;
2357: }
2358:
2359: sub handler {
2360: my $r=shift;
2361:
2362: &Apache::loncommon::content_type($r,'text/html');
2363: &Apache::loncommon::no_cache($r);
2364: if ($r->header_only()) {
2365: $r->send_http_header();
2366: return OK;
2367: }
2368:
2369: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
2370:
2371: my %crumb_titles = &slot_command_titles();
2372: my $brcrum;
2373:
2374: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
2375: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
2376: if ($env{'form.command'} eq 'showslots') {
2377: if (($vgr ne 'F') && ($mgr ne 'F')) {
2378: $env{'form.command'} = 'manageresv';
2379: }
2380: } elsif ($env{'form.command'} eq 'manageresv') {
2381: if (($vgr eq 'F') || ($mgr eq 'F')) {
2382: $env{'form.command'} = 'showslots';
2383: }
2384: }
2385: my $title='Requesting Another Worktime';
2386: if ($env{'form.command'} eq 'showresv') {
2387: $title = 'Reservation History';
2388: if ($env{'form.origin'} eq 'aboutme') {
2389: $brcrum =[{href=>"/adm/$env{'form.udom'}/$env{'form.uname'}/aboutme",text=>'Personal Information Page'}];
2390: } else {
2391: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>'Manage Reservations'}];
2392: }
2393: if (ref($brcrum) eq 'ARRAY') {
2394: push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title});
2395: }
2396: } elsif ($env{'form.command'} eq 'manageresv') {
2397: $title = 'Manage Reservations';
2398: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
2399: } elsif ($vgr eq 'F') {
2400: if ($env{'form.command'} =~ /^(slotlog|showslots|uploadstart|csvuploadmap|csvuploadassign|delete|release|remove_registration)$/) {
2401: $brcrum =[{href=>"/adm/slotrequest?command=showslots",
2402: text=>$crumb_titles{'showslots'}}];
2403: $title = 'Managing Slots';
2404: unless ($env{'form.command'} eq 'showslots') {
2405: if (ref($brcrum) eq 'ARRAY') {
2406: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2407: }
2408: }
2409: }
2410: } elsif ($env{'form.command'} eq 'release') {
2411: if ($env{'form.context'} eq 'usermanage') {
2412: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",
2413: text=>$crumb_titles{'showslots'}}];
2414: $title = 'Manage Reservations';
2415: if (ref($brcrum) eq 'ARRAY') {
2416: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2417: }
2418:
2419: }
2420: }
2421: &start_page($r,$title,$brcrum);
2422:
2423: if ($env{'form.command'} eq 'manageresv') {
2424: my $crstype = &Apache::loncommon::course_type();
2425: &manage_reservations($r,$crstype);
2426: } elsif ($env{'form.command'} eq 'showresv') {
2427: &show_reservations($r,$env{'form.uname'},$env{'form.udom'});
2428: } elsif ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
2429: &show_table($r,$mgr);
2430: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
2431: &remove_registration($r);
2432: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
2433: if ($env{'form.entry'} eq 'remove all') {
2434: &release_all_slot($r,$mgr);
2435: } else {
2436: &release_slot($r,undef,undef,undef,$mgr);
2437: }
2438: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
2439: &delete_slot($r);
2440: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
2441: &upload_start($r);
2442: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
2443: &csv_upload_map($r);
2444: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
2445: if ($env{'form.associate'} ne 'Reverse Association') {
2446: &csv_upload_assign($r,$mgr);
2447: } else {
2448: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
2449: $env{'form.upfile_associate'} = 'reverse';
2450: } else {
2451: $env{'form.upfile_associate'} = 'forward';
2452: }
2453: &csv_upload_map($r);
2454: }
2455: } elsif ($env{'form.command'} eq 'slotlog' && $mgr eq 'F') {
2456: &show_reservations_log($r);
2457: } else {
2458: my $symb=&unescape($env{'form.symb'});
2459: if (!defined($symb)) {
2460: &fail($r,'not_valid');
2461: return OK;
2462: }
2463: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
2464: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
2465: if ($useslots ne 'resource'
2466: && $useslots ne 'map'
2467: && $useslots ne 'map_map') {
2468: &fail($r,'not_available');
2469: return OK;
2470: }
2471: $env{'request.symb'}=$symb;
2472: my $type = ($res =~ /\.task$/) ? 'Task'
2473: : 'problem';
2474: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
2475: if ($status eq 'CAN_ANSWER' ||
2476: $status eq 'NEEDS_CHECKIN' ||
2477: $status eq 'WAITING_FOR_GRADE') {
2478: &fail($r,'not_allowed');
2479: return OK;
2480: }
2481: if ($env{'form.requestattempt'}) {
2482: &show_choices($r,$symb);
2483: } elsif ($env{'form.command'} eq 'release') {
2484: &release_slot($r,$symb);
2485: } elsif ($env{'form.command'} eq 'get') {
2486: &get_slot($r,$symb);
2487: } elsif ($env{'form.command'} eq 'change') {
2488: if (&get_slot($r,$symb,$env{'form.releaseslot'},1)) {
2489: &release_slot($r,$symb,$env{'form.releaseslot'});
2490: }
2491: } else {
2492: $r->print('<p>'.&mt('Unknown command: [_1]',$env{'form.command'}).'</p>');
2493: }
2494: }
2495: &end_page($r);
2496: return OK;
2497: }
2498:
2499: 1;
2500: __END__
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