1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.107 2010/05/27 04:44:33 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::slotrequest;
31:
32: use strict;
33: use Apache::Constants qw(:common :http :methods);
34: use Apache::loncommon();
35: use Apache::lonlocal;
36: use Apache::lonnet;
37: use Apache::lonnavmaps();
38: use Date::Manip;
39: use lib '/home/httpd/lib/perl/';
40: use LONCAPA;
41:
42: sub fail {
43: my ($r,$code)=@_;
44: if ($code eq 'not_valid') {
45: $r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>');
46: } elsif ($code eq 'not_available') {
47: $r->print('<p>'.&mt('No slots are available.').'</p>');
48: } elsif ($code eq 'not_allowed') {
49: $r->print('<p>'.&mt('Not allowed to sign up or change reservations at this time.').'</p>');
50: } else {
51: $r->print('<p>'.&mt('Failed.').'</p>');
52: }
53:
54: &return_link($r);
55: &end_page($r);
56: }
57:
58: sub start_page {
59: my ($r,$title,$brcrum)=@_;
60: my $args;
61: if (ref($brcrum) eq 'ARRAY') {
62: $args = {bread_crumbs => $brcrum};
63: }
64: $r->print(&Apache::loncommon::start_page($title,undef,$args));
65: }
66:
67: sub end_page {
68: my ($r)=@_;
69: $r->print(&Apache::loncommon::end_page());
70: }
71:
72: =pod
73:
74: slot_reservations db
75: - keys are
76: - slotname\0id -> value is an hashref of
77: name -> user@domain of holder
78: timestamp -> timestamp of reservation
79: symb -> symb of resource that it is reserved for
80:
81: =cut
82:
83: sub get_course {
84: (undef,my $courseid)=&Apache::lonnet::whichuser();
85: my $cdom=$env{'course.'.$courseid.'.domain'};
86: my $cnum=$env{'course.'.$courseid.'.num'};
87: return ($cnum,$cdom);
88: }
89:
90: sub get_reservation_ids {
91: my ($slot_name)=@_;
92:
93: my ($cnum,$cdom)=&get_course();
94:
95: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
96: "^$slot_name\0");
97: if (&Apache::lonnet::error(%consumed)) {
98: return 'error: Unable to determine current status';
99: }
100: my ($tmp)=%consumed;
101: if ($tmp=~/^error: 2 / ) {
102: return 0;
103: }
104: return keys(%consumed);
105: }
106:
107: sub space_available {
108: my ($slot_name,$slot)=@_;
109: my $max=$slot->{'maxspace'};
110:
111: if (!defined($max)) { return 1; }
112:
113: my $consumed=scalar(&get_reservation_ids($slot_name));
114: if ($consumed < $max) {
115: return 1
116: }
117: return 0;
118: }
119:
120: sub check_for_reservation {
121: my ($symb,$mode)=@_;
122: my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
123: $env{'user.domain'}, $env{'user.name'});
124:
125: my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
126: $env{'user.domain'}, $env{'user.name'});
127: my @slots = (split(/:/,$student), split(/:/, $course));
128:
129: &Apache::lonxml::debug(" slot list is ".join(':',@slots));
130:
131: my ($cnum,$cdom)=&get_course();
132: my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
133:
134: if (&Apache::lonnet::error($student)
135: || &Apache::lonnet::error($course)
136: || &Apache::lonnet::error(%slots)) {
137: return 'error: Unable to determine current status';
138: }
139: my @got;
140: my @sorted_slots = &Apache::loncommon::sorted_slots(\@slots,\%slots);
141: foreach my $slot_name (@sorted_slots) {
142: next if (!defined($slots{$slot_name}) ||
143: !ref($slots{$slot_name}));
144: &Apache::lonxml::debug(time." $slot_name ".
145: $slots{$slot_name}->{'starttime'}." -- ".
146: $slots{$slot_name}->{'startreserve'});
147: if ($slots{$slot_name}->{'endtime'} > time &&
148: $slots{$slot_name}->{'startreserve'} < time) {
149: # between start of reservation times and end of slot
150: if ($mode eq 'allslots') {
151: push(@got,$slot_name);
152: } else {
153: return($slot_name, $slots{$slot_name});
154: }
155: }
156: }
157: if ($mode eq 'allslots' && @got) {
158: return @got;
159: }
160: return (undef,undef);
161: }
162:
163: sub get_consumed_uniqueperiods {
164: my ($slots) = @_;
165: my $navmap=Apache::lonnavmaps::navmap->new;
166: if (!defined($navmap)) {
167: return 'error: Unable to determine current status';
168: }
169: my @problems = $navmap->retrieveResources(undef,
170: sub { $_[0]->is_problem() },1,0);
171: my %used_slots;
172: foreach my $problem (@problems) {
173: my $symb = $problem->symb();
174: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
175: $symb, $env{'user.domain'},
176: $env{'user.name'});
177: my $course = &Apache::lonnet::EXT("resource.0.available",
178: $symb, $env{'user.domain'},
179: $env{'user.name'});
180: if (&Apache::lonnet::error($student)
181: || &Apache::lonnet::error($course)) {
182: return 'error: Unable to determine current status';
183: }
184: foreach my $slot (split(/:/,$student), split(/:/, $course)) {
185: $used_slots{$slot}=1;
186: }
187: }
188:
189: if (!ref($slots)) {
190: my ($cnum,$cdom)=&get_course();
191: my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
192: if (&Apache::lonnet::error(%slots)) {
193: return 'error: Unable to determine current status';
194: }
195: $slots = \%slots;
196: }
197:
198: my %consumed_uniqueperiods;
199: foreach my $slot_name (keys(%used_slots)) {
200: next if (!defined($slots->{$slot_name}) ||
201: !ref($slots->{$slot_name}));
202:
203: next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
204: !ref($slots->{$slot_name}{'uniqueperiod'}));
205: $consumed_uniqueperiods{$slot_name} =
206: $slots->{$slot_name}{'uniqueperiod'};
207: }
208: return \%consumed_uniqueperiods;
209: }
210:
211: sub check_for_conflict {
212: my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
213:
214: if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
215:
216: if (!ref($consumed_uniqueperiods)) {
217: $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
218: if (ref($consumed_uniqueperiods) eq 'HASH') {
219: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
220: return 'error: Unable to determine current status';
221: }
222: } else {
223: return 'error: Unable to determine current status';
224: }
225: }
226:
227: my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
228: foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
229: my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
230: if (!
231: ($start < $new_uniq_start && $end < $new_uniq_start) ||
232: ($start > $new_uniq_end && $end > $new_uniq_end )) {
233: return $slot_name;
234: }
235: }
236: return undef;
237: }
238:
239: sub make_reservation {
240: my ($slot_name,$slot,$symb,$cnum,$cdom)=@_;
241:
242: my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
243: $env{'user.domain'},$env{'user.name'});
244: &Apache::lonxml::debug("value is $value<br />");
245:
246: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",$symb,
247: $env{'user.domain'},$env{'user.name'});
248: &Apache::lonxml::debug("use_slots is $use_slots<br />");
249:
250: if (&Apache::lonnet::error($value)
251: || &Apache::lonnet::error($use_slots)) {
252: return 'error: Unable to determine current status';
253: }
254:
255: my $parm_symb = $symb;
256: my $parm_level = 1;
257: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
258: my ($map) = &Apache::lonnet::decode_symb($symb);
259: $parm_symb = &Apache::lonnet::symbread($map);
260: $parm_level = 2;
261: }
262:
263: foreach my $other_slot (split(/:/, $value)) {
264: if ($other_slot eq $slot_name) {
265: my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
266: $cnum, "^$slot_name\0");
267: if (&Apache::lonnet::error($value)) {
268: return 'error: Unable to determine current status';
269: }
270: my $me=$env{'user.name'}.':'.$env{'user.domain'};
271: foreach my $key (keys(%consumed)) {
272: if ($consumed{$key}->{'name'} eq $me) {
273: my $num=(split('\0',$key))[1];
274: return -$num;
275: }
276: }
277: }
278: }
279:
280: my $max=$slot->{'maxspace'};
281: if (!defined($max)) { $max=99999; }
282:
283: my (@ids)=&get_reservation_ids($slot_name);
284: if (&Apache::lonnet::error(@ids)) {
285: return 'error: Unable to determine current status';
286: }
287: my $last=0;
288: foreach my $id (@ids) {
289: my $num=(split('\0',$id))[1];
290: if ($num > $last) { $last=$num; }
291: }
292:
293: my $wanted=$last+1;
294: &Apache::lonxml::debug("wanted $wanted<br />");
295: if (scalar(@ids) >= $max) {
296: # full up
297: return undef;
298: }
299:
300: my %reservation=('name' => $env{'user.name'}.':'.$env{'user.domain'},
301: 'timestamp' => time,
302: 'symb' => $parm_symb);
303:
304: my $success=&Apache::lonnet::newput('slot_reservations',
305: {"$slot_name\0$wanted" =>
306: \%reservation},
307: $cdom, $cnum);
308:
309: if ($success eq 'ok') {
310: my $new_value=$slot_name;
311: if ($value) {
312: $new_value=$value.':'.$new_value;
313: }
314: &store_slot_parm($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom);
315: return $wanted;
316: }
317:
318: # someone else got it
319: return undef;
320: }
321:
322: sub store_slot_parm {
323: my ($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom) = @_;
324: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
325: '0_availablestudent',
326: $parm_level, $new_value,
327: 'string',
328: $env{'user.name'},
329: $env{'user.domain'});
330: &Apache::lonxml::debug("hrrm $result");
331: my %storehash = (
332: symb => $symb,
333: slot => $slot_name,
334: action => 'reserve',
335: context => $env{'form.context'},
336: );
337:
338: &Apache::lonnet::instructor_log('slotreservationslog',\%storehash,
339: '',$env{'user.name'},$env{'user.domain'},
340: $cnum,$cdom);
341: &Apache::lonnet::instructor_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
342: 1,$env{'user.name'},$env{'user.domain'},
343: $env{'user.name'},$env{'user.domain'});
344:
345: return;
346: }
347:
348: sub remove_registration {
349: my ($r) = @_;
350: if ($env{'form.entry'} ne 'remove all') {
351: return &remove_registration_user($r);
352: }
353: my $slot_name = $env{'form.slotname'};
354: my %slot=&Apache::lonnet::get_slot($slot_name);
355:
356: my ($cnum,$cdom)=&get_course();
357: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
358: "^$slot_name\0");
359: if (&Apache::lonnet::error(%consumed)) {
360: $r->print("<p><span class=\"LC_error\">".&mt('A network error has occurred.').'</span></p>');
361: return;
362: }
363: if (!%consumed) {
364: $r->print('<p>'.&mt('Slot [_1] has no reservations.',
365: '<tt>'.$slot_name.'</tt>').'</p>');
366: return;
367: }
368:
369: my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
370: my $names = join(' ',@names);
371:
372: my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
373: &remove_registration_confirmation($r,$msg,['entry','slotname','context']);
374: }
375:
376: sub remove_registration_user {
377: my ($r) = @_;
378:
379: my $slot_name = $env{'form.slotname'};
380:
381: my $name = &Apache::loncommon::plainname($env{'form.uname'},
382: $env{'form.udom'});
383:
384: my $title = &Apache::lonnet::gettitle($env{'form.symb'});
385:
386: my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
387: $name,$slot_name,$title);
388:
389: &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
390: 'entry','symb','context']);
391: }
392:
393: sub remove_registration_confirmation {
394: my ($r,$msg,$inputs) =@_;
395:
396: my $hidden_input;
397: foreach my $parm (@{$inputs}) {
398: $hidden_input .=
399: '<input type="hidden" name="'.$parm.'" value="'
400: .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
401: }
402: my %lt = &Apache::lonlocal::texthash(
403: 'yes' => 'Yes',
404: 'no' => 'No',
405: );
406: $r->print(<<"END_CONFIRM");
407: <p> $msg </p>
408: <form action="/adm/slotrequest" method="post">
409: <input type="hidden" name="command" value="release" />
410: <input type="hidden" name="button" value="yes" />
411: $hidden_input
412: <input type="submit" value="$lt{'yes'}" />
413: </form>
414: <form action="/adm/slotrequest" method="post">
415: <input type="hidden" name="command" value="showslots" />
416: <input type="submit" value="$lt{'no'}" />
417: </form>
418: END_CONFIRM
419:
420: }
421:
422: sub release_all_slot {
423: my ($r,$mgr)=@_;
424:
425: my $slot_name = $env{'form.slotname'};
426:
427: my ($cnum,$cdom)=&get_course();
428:
429: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
430: "^$slot_name\0");
431:
432: $r->print('<p>'.&mt('Releasing reservations').'</p>');
433:
434: foreach my $entry (sort { $consumed{$a}{'name'} cmp
435: $consumed{$b}{'name'} } (keys(%consumed))) {
436: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
437: my ($result,$msg) =
438: &release_reservation($slot_name,$uname,$udom,
439: $consumed{$entry}{'symb'},$mgr);
440: if (!$result) {
441: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
442: } else {
443: $r->print("<p>$msg</p>");
444: }
445: $r->rflush();
446: }
447: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
448: &mt('Return to slot list').'</a></p>');
449: &return_link($r);
450: }
451:
452: sub release_slot {
453: my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
454:
455: if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
456:
457: my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
458: if ($mgr eq 'F'
459: && defined($env{'form.uname'}) && defined($env{'form.udom'})) {
460: ($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
461: }
462:
463: if ($mgr eq 'F'
464: && defined($env{'form.symb'})) {
465: $symb = &unescape($env{'form.symb'});
466: }
467:
468: my ($result,$msg) =
469: &release_reservation($slot_name,$uname,$udom,$symb,$mgr);
470: if (!$result) {
471: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
472: } else {
473: $r->print("<p>$msg</p>");
474: }
475:
476: if ($mgr eq 'F') {
477: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
478: &mt('Return to slot list').'</a></p>');
479: }
480:
481: if (!$inhibit_return_link) { &return_link($r); }
482: return $result;
483: }
484:
485: sub release_reservation {
486: my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
487: my %slot=&Apache::lonnet::get_slot($slot_name);
488: my $description=&get_description($slot_name,\%slot);
489:
490: if ($mgr ne 'F') {
491: if ($slot{'starttime'} < time) {
492: return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description));
493: }
494: }
495:
496: # if the reservation symb is for a map get a resource in that map
497: # to check slot parameters on
498: my $navmap=Apache::lonnavmaps::navmap->new;
499: if (!defined($navmap)) {
500: return (0,'error: Unable to determine current status');
501: }
502: my $passed_resource = $navmap->getBySymb($symb);
503: if ($passed_resource->is_map()) {
504: my ($a_resource) =
505: $navmap->retrieveResources($passed_resource,
506: sub {$_[0]->is_problem()},0,1);
507: $symb = $a_resource->symb();
508: }
509:
510: # get parameter string, check for existance, rebuild string with the slot
511: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
512: $symb,$udom,$uname);
513: my @slots = split(/:/,$student);
514:
515: my @new_slots;
516: foreach my $exist_slot (@slots) {
517: if ($exist_slot eq $slot_name) { next; }
518: push(@new_slots,$exist_slot);
519: }
520: my $new_param = join(':',@new_slots);
521:
522: my ($cnum,$cdom)=&get_course();
523:
524: # get slot reservations, check if user has one, if so remove reservation
525: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
526: "^$slot_name\0");
527: foreach my $entry (keys(%consumed)) {
528: if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
529: &Apache::lonnet::del('slot_reservations',[$entry],
530: $cdom,$cnum);
531: my %storehash = (
532: symb => $symb,
533: slot => $slot_name,
534: action => 'release',
535: context => $env{'form.context'},
536: );
537: &Apache::lonnet::instructor_log('slotreservationslog',\%storehash,
538: 1,$uname,$udom,$cnum,$cdom);
539: &Apache::lonnet::instructor_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
540: 1,$uname,$udom,$uname,$udom);
541: }
542: }
543:
544: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",
545: $symb,$udom,$uname);
546: &Apache::lonxml::debug("use_slots is $use_slots<br />");
547:
548: if (&Apache::lonnet::error($use_slots)) {
549: return (0,'error: Unable to determine current status');
550: }
551:
552: my $parm_level = 1;
553: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
554: $parm_level = 2;
555: }
556: # store new parameter string
557: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
558: '0_availablestudent',
559: $parm_level, $new_param,
560: 'string', $uname, $udom);
561: my $msg;
562: if ($mgr eq 'F') {
563: $msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
564: } else {
565: $msg = &mt('Released Reservation: [_1]',$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},$symb,\%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 $crstype=&Apache::loncommon::course_type($cdom.'_'.$cnum);
1030: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1031: if ( (keys(%slots))[0] =~ /^error: 2 /) {
1032: undef(%slots);
1033: }
1034: my $available;
1035: if ($mgr eq 'F') {
1036: # FIXME: This line should be deleted once Slots uses breadcrumbs
1037: $r->print(&Apache::loncommon::help_open_topic('Slot About', 'Help on slots'));
1038:
1039: $r->print('<div>');
1040: $r->print('<form method="post" action="/adm/slotrequest">
1041: <input type="hidden" name="command" value="uploadstart" />
1042: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
1043: </form>');
1044: $r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited'));
1045: $r->print('<form method="post" action="/adm/helper/newslot.helper">
1046: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
1047: </form>');
1048: $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface'));
1049: $r->print('</div>');
1050: }
1051:
1052: if (!keys(%slots)) {
1053: if ($crstype eq 'Community') {
1054: $r->print('<div>'.&mt('No slots have been created in this community.').'</div>');
1055: } else {
1056: $r->print('<div>'.&mt('No slots have been created in this course.').'</div>');
1057: }
1058: return;
1059: }
1060:
1061: my %Saveable_Parameters = ('show' => 'array',
1062: 'when' => 'scalar',
1063: 'order' => 'scalar',
1064: 'deleted' => 'scalar',
1065: 'name_filter_type' => 'scalar',
1066: 'name_filter_value' => 'scalar',
1067: );
1068: &Apache::loncommon::store_course_settings('slotrequest',
1069: \%Saveable_Parameters);
1070: &Apache::loncommon::restore_course_settings('slotrequest',
1071: \%Saveable_Parameters);
1072: &Apache::grades::init_perm();
1073: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
1074: &Apache::grades::reset_perm();
1075:
1076: # what to display filtering
1077: my %show_fields=&Apache::lonlocal::texthash(
1078: 'name' => 'Slot Name',
1079: 'description' => 'Description',
1080: 'type' => 'Type',
1081: 'starttime' => 'Start time',
1082: 'endtime' => 'End Time',
1083: 'startreserve' => 'Time students can start reserving',
1084: 'secret' => 'Secret Word',
1085: 'space' => '# of students/max',
1086: 'ip' => 'IP or DNS restrictions',
1087: 'symb' => 'Resource slot is restricted to.',
1088: 'allowedsections' => 'Sections slot is restricted to.',
1089: 'allowedusers' => 'Users slot is restricted to.',
1090: 'uniqueperiod' => 'Period of time slot is unique',
1091: 'scheduled' => 'Scheduled Students',
1092: 'proctor' => 'List of proctors');
1093: if ($crstype eq 'Community') {
1094: $show_fields{'startreserve'} = &mt('Time members can start reserving');
1095: $show_fields{'scheduled'} = &mt('Scheduled Members');
1096: }
1097: my @show_order=('name','description','type','starttime','endtime',
1098: 'startreserve','secret','space','ip','symb',
1099: 'allowedsections','allowedusers','uniqueperiod',
1100: 'scheduled','proctor');
1101: my @show =
1102: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
1103: : keys(%show_fields);
1104: my %show = map { $_ => 1 } (@show);
1105:
1106: #when filtering setup
1107: my %when_fields=&Apache::lonlocal::texthash(
1108: 'now' => 'Open now',
1109: 'nextweek' => 'Open within the next week',
1110: 'lastweek' => 'Were open last week',
1111: 'willopen' => 'Will open later',
1112: 'wereopen' => 'Were open',
1113: 'any' => 'Anytime',
1114: );
1115: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
1116: $when_fields{'select_form_order'} = \@when_order;
1117: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
1118: : 'now';
1119:
1120: #display of students setup
1121: my %stu_display_fields=
1122: &Apache::lonlocal::texthash('username' => 'User name',
1123: 'fullname' => 'Full name',
1124: );
1125: my @stu_display_order=('fullname','username');
1126: my @stu_display =
1127: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
1128: : keys(%stu_display_fields);
1129: my %stu_display = map { $_ => 1 } (@stu_display);
1130:
1131: #name filtering setup
1132: my %name_filter_type_fields=
1133: &Apache::lonlocal::texthash('substring' => 'Substring',
1134: 'exact' => 'Exact',
1135: #'reg' => 'Regular Expression',
1136: );
1137: my @name_filter_type_order=('substring','exact');
1138:
1139: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
1140: my $name_filter_type =
1141: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
1142: : 'substring';
1143: my $name_filter = {'type' => $name_filter_type,
1144: 'value' => $env{'form.name_filter_value'},};
1145:
1146:
1147: #deleted slot filtering
1148: #default to hide if no value
1149: $env{'form.deleted'} ||= 'hide';
1150: my $hide_radio =
1151: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
1152: my $show_radio =
1153: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
1154:
1155: $r->print('<form method="post" action="/adm/slotrequest">
1156: <input type="hidden" name="command" value="showslots" />');
1157: $r->print('<div>');
1158: $r->print('<table class="inline">
1159: <tr><th>'.&mt('Show').'</th>
1160: <th>'.&mt('Student Display').'</th>
1161: <th>'.&mt('Open').'</th>
1162: <th>'.&mt('Slot Name Filter').'</th>
1163: <th>'.&mt('Options').'</th>
1164: </tr>
1165: <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1166: '</td>
1167: <td valign="top">
1168: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1169: 6,\%stu_display_fields,
1170: \@stu_display_order).'
1171: </td>
1172: <td valign="top">'.&Apache::loncommon::select_form($when,'when',%when_fields).
1173: '</td>
1174: <td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
1175: 'name_filter_type',
1176: %name_filter_type_fields).
1177: '<br />'.
1178: &Apache::lonhtmlcommon::textbox('name_filter_value',
1179: $env{'form.name_filter_value'},
1180: 15).
1181: '</td>
1182: <td valign="top">
1183: <table>
1184: <tr>
1185: <td rowspan="2">Deleted slots:</td>
1186: <td><label>'.$show_radio.'Show</label></td>
1187: </tr>
1188: <tr>
1189: <td><label>'.$hide_radio.'Hide</label></td>
1190: </tr>
1191: </table>
1192: </td>
1193: </tr>
1194: </table>');
1195: $r->print('</div>');
1196: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1197: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1198: $r->print(&Apache::loncommon::start_data_table().
1199: &Apache::loncommon::start_data_table_header_row().'
1200: <th></th>');
1201: foreach my $which (@show_order) {
1202: if ($which ne 'proctor' && exists($show{$which})) {
1203: $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1204: }
1205: }
1206: $r->print(&Apache::loncommon::end_data_table_header_row());
1207:
1208: my %name_cache;
1209: my $slotsort = sub {
1210: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|ip|symb|allowedsections|allowedusers)$/) {
1211: if (lc($slots{$a}->{$env{'form.order'}})
1212: ne lc($slots{$b}->{$env{'form.order'}})) {
1213: return (lc($slots{$a}->{$env{'form.order'}})
1214: cmp lc($slots{$b}->{$env{'form.order'}}));
1215: }
1216: } elsif ($env{'form.order'} eq 'space') {
1217: if ($slots{$a}{'maxspace'} ne $slots{$b}{'maxspace'}) {
1218: return ($slots{$a}{'maxspace'} cmp $slots{$b}{'maxspace'});
1219: }
1220: } elsif ($env{'form.order'} eq 'name') {
1221: if (lc($a) cmp lc($b)) {
1222: return lc($a) cmp lc($b);
1223: }
1224: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1225:
1226: if ($slots{$a}->{'uniqueperiod'}[0]
1227: ne $slots{$b}->{'uniqueperiod'}[0]) {
1228: return ($slots{$a}->{'uniqueperiod'}[0]
1229: cmp $slots{$b}->{'uniqueperiod'}[0]);
1230: }
1231: if ($slots{$a}->{'uniqueperiod'}[1]
1232: ne $slots{$b}->{'uniqueperiod'}[1]) {
1233: return ($slots{$a}->{'uniqueperiod'}[1]
1234: cmp $slots{$b}->{'uniqueperiod'}[1]);
1235: }
1236: }
1237: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1238: };
1239:
1240: my %consumed;
1241: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1242: %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum);
1243: my ($tmp)=%consumed;
1244: if ($tmp =~ /^error: /) { undef(%consumed); }
1245: }
1246:
1247: foreach my $slot (sort $slotsort (keys(%slots))) {
1248: if (!&to_show($slot,$slots{$slot},$when,
1249: $env{'form.deleted'},$name_filter)) { next; }
1250: if (defined($slots{$slot}->{'type'})
1251: && $slots{$slot}->{'type'} ne 'schedulable_student') {
1252: #next;
1253: }
1254: my $description=&get_description($slot,$slots{$slot});
1255: my ($id_count,$ids);
1256:
1257: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1258: my $re_str = "$slot\0";
1259: my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed));
1260: $id_count = scalar(@this_slot);
1261: if (exists($show{'scheduled'})) {
1262: foreach my $entry (sort { $consumed{$a}{name} cmp
1263: $consumed{$b}{name} }
1264: (@this_slot)) {
1265: my (undef,$id)=split("\0",$entry);
1266: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1267: $ids.= '<span class="LC_nobreak">';
1268: foreach my $item (@stu_display_order) {
1269: if ($stu_display{$item}) {
1270: if ($item eq 'fullname') {
1271: $ids.=$fullname->{"$uname:$udom"}.' ';
1272: } elsif ($item eq 'username') {
1273: $ids.="<tt>$uname:$udom</tt> ";
1274: }
1275: }
1276: }
1277: $ids.=&remove_link($slot,$entry,$uname,$udom,
1278: $consumed{$entry}{'symb'}).'</span><br />';
1279: }
1280: }
1281: }
1282:
1283: my $start=($slots{$slot}->{'starttime'}?
1284: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1285: my $end=($slots{$slot}->{'endtime'}?
1286: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1287: my $start_reserve=($slots{$slot}->{'startreserve'}?
1288: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1289:
1290: my $unique;
1291: if (ref($slots{$slot}{'uniqueperiod'})) {
1292: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1293: localtime($slots{$slot}{'uniqueperiod'}[1]);
1294: }
1295:
1296: my $title;
1297: if (exists($slots{$slot}{'symb'})) {
1298: my (undef,undef,$res)=
1299: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1300: $res = &Apache::lonnet::clutter($res);
1301: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1302: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1303: }
1304:
1305: my $allowedsections;
1306: if (exists($show{'allowedsections'})) {
1307: $allowedsections =
1308: join(', ',sort(split(/\s*,\s*/,
1309: $slots{$slot}->{'allowedsections'})));
1310: }
1311:
1312: my @allowedusers;
1313: if (exists($show{'allowedusers'})) {
1314: @allowedusers= map {
1315: my ($uname,$udom)=split(/:/,$_);
1316: my $fullname=$name_cache{$_};
1317: if (!defined($fullname)) {
1318: $fullname = &Apache::loncommon::plainname($uname,$udom);
1319: $fullname =~s/\s/ /g;
1320: $name_cache{$_} = $fullname;
1321: }
1322: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1323: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1324: }
1325: my $allowedusers=join(', ',@allowedusers);
1326:
1327: my @proctors;
1328: my $rowspan=1;
1329: my $colspan=1;
1330: if (exists($show{'proctor'})) {
1331: $rowspan=2;
1332: @proctors= map {
1333: my ($uname,$udom)=split(/:/,$_);
1334: my $fullname=$name_cache{$_};
1335: if (!defined($fullname)) {
1336: $fullname = &Apache::loncommon::plainname($uname,$udom);
1337: $fullname =~s/\s/ /g;
1338: $name_cache{$_} = $fullname;
1339: }
1340: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1341: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1342: }
1343: my $proctors=join(', ',@proctors);
1344:
1345: my %lt = &Apache::lonlocal::texthash (
1346: edit => 'Edit',
1347: delete => 'Delete',
1348: slotlog => 'History',
1349: );
1350: my $edit=(<<"EDITLINK");
1351: <a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
1352: EDITLINK
1353:
1354: my $delete=(<<"DELETELINK");
1355: <a href="/adm/slotrequest?command=delete&slotname=$slot">$lt{'delete'}</a>
1356: DELETELINK
1357:
1358: my $showlog=(<<"LOGLINK");
1359: <a href="/adm/slotrequest?command=slotlog&slotname=$slot">$lt{'slotlog'}</a>
1360: LOGLINK
1361:
1362: my $remove_all=&remove_link($slot,'remove all').'<br />';
1363:
1364: if ($ids eq '') {
1365: undef($remove_all);
1366: } else {
1367: undef($delete);
1368: }
1369: if ($slots{$slot}{'type'} ne 'schedulable_student') {
1370: undef($showlog);
1371: undef($remove_all);
1372: }
1373:
1374: my $row_start=&Apache::loncommon::start_data_table_row();
1375: my $row_end=&Apache::loncommon::end_data_table_row();
1376: $r->print($row_start.
1377: "\n<td rowspan=\"$rowspan\">$edit $delete $showlog</td>\n");
1378: if (exists($show{'name'})) {
1379: $colspan++;$r->print("<td>$slot</td>");
1380: }
1381: if (exists($show{'description'})) {
1382: $colspan++;$r->print("<td>$description</td>\n");
1383: }
1384: if (exists($show{'type'})) {
1385: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1386: }
1387: if (exists($show{'starttime'})) {
1388: $colspan++;$r->print("<td>$start</td>\n");
1389: }
1390: if (exists($show{'endtime'})) {
1391: $colspan++;$r->print("<td>$end</td>\n");
1392: }
1393: if (exists($show{'startreserve'})) {
1394: $colspan++;$r->print("<td>$start_reserve</td>\n");
1395: }
1396: if (exists($show{'secret'})) {
1397: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1398: }
1399: if (exists($show{'space'})) {
1400: my $display = $id_count;
1401: if ($slots{$slot}{'maxspace'}>0) {
1402: $display.='/'.$slots{$slot}{'maxspace'};
1403: if ($slots{$slot}{'maxspace'} <= $id_count) {
1404: $display = '<strong>'.$display.' (full) </strong>';
1405: }
1406: }
1407: $colspan++;$r->print("<td>$display</td>\n");
1408: }
1409: if (exists($show{'ip'})) {
1410: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1411: }
1412: if (exists($show{'symb'})) {
1413: $colspan++;$r->print("<td>$title</td>\n");
1414: }
1415: if (exists($show{'allowedsections'})) {
1416: $colspan++;$r->print("<td>$allowedsections</td>\n");
1417: }
1418: if (exists($show{'allowedusers'})) {
1419: $colspan++;$r->print("<td>$allowedusers</td>\n");
1420: }
1421: if (exists($show{'uniqueperiod'})) {
1422: $colspan++;$r->print("<td>$unique</td>\n");
1423: }
1424: if (exists($show{'scheduled'})) {
1425: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1426: }
1427: $r->print("$row_end\n");
1428: if (exists($show{'proctor'})) {
1429: $r->print(<<STUFF);
1430: $row_start
1431: <td colspan="$colspan">$proctors</td>
1432: $row_end
1433: STUFF
1434: }
1435: }
1436: $r->print(&Apache::loncommon::end_data_table().'</form>');
1437: return;
1438: }
1439:
1440: sub manage_reservations {
1441: my ($r,$crstype) = @_;
1442: my $navmap = Apache::lonnavmaps::navmap->new();
1443: $r->print('<p>'
1444: .&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.')
1445: .'<br />'
1446: .&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.')
1447: .'</p>'
1448: );
1449: if (!defined($navmap)) {
1450: $r->print('<div class="LC_error">');
1451: if ($crstype eq 'Community') {
1452: $r->print(&mt('Unable to retrieve information about community contents'));
1453: } else {
1454: $r->print(&mt('Unable to retrieve information about course contents'));
1455: }
1456: $r->print('</div>');
1457: &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
1458: return;
1459: }
1460: my (%parent,%shownparent,%container,%container_title,%contents);
1461: my ($depth,$count,$reservable,$lastcontainer,$rownum) = (0,0,0,0,0);
1462: my @backgrounds = ("LC_odd_row","LC_even_row");
1463: my $numcolors = scalar(@backgrounds);
1464: my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
1465: my $slotheader = '<p>'.
1466: &mt('Your reservation status for any such assignments is listed below:').
1467: '</p>'.
1468: '<table class="LC_data_table LC_tableOfContent">'."\n";
1469: my $shownheader = 0;
1470: my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
1471: while (my $resource = $it->next()) {
1472: if ($resource == $it->BEGIN_MAP()) {
1473: $depth++;
1474: $parent{$depth} = $lastcontainer;
1475: }
1476: if ($resource == $it->END_MAP()) {
1477: $depth--;
1478: $lastcontainer = $parent{$depth};
1479: }
1480: if (ref($resource)) {
1481: my $symb = $resource->symb();
1482: my $ressymb = $symb;
1483: $contents{$lastcontainer} ++;
1484: next if (!$resource->is_problem() && !$resource->is_sequence() &&
1485: !$resource->is_page());
1486: $count ++;
1487: if (($resource->is_sequence()) || ($resource->is_page())) {
1488: $lastcontainer = $count;
1489: $container{$lastcontainer} = $resource;
1490: $container_title{$lastcontainer} = $resource->compTitle();
1491: }
1492: if ($resource->is_problem()) {
1493: my ($useslots) = $resource->slot_control();
1494: next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i));
1495: my ($msg,$get_choices,$slotdescription);
1496: my $title = $resource->compTitle();
1497: my $status = $resource->simpleStatus('0');
1498: my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0');
1499: if ($slot_name ne '') {
1500: my %slot=&Apache::lonnet::get_slot($slot_name);
1501: $slotdescription=&get_description($slot_name,\%slot);
1502: }
1503: if ($slot_status == $resource->NOT_IN_A_SLOT) {
1504: $msg=&mt('No current reservation.');
1505: $get_choices = 1;
1506: } elsif ($slot_status == $resource->NEEDS_CHECKIN) {
1507: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1508: ' '.$slotdescription.'</span><br />'.
1509: &mt('Access requires proctor validation.');
1510: } elsif ($slot_status == $resource->WAITING_FOR_GRADE) {
1511: $msg=&mt('Submitted and currently in grading queue.');
1512: } elsif ($slot_status == $resource->CORRECT) {
1513: $msg=&mt('Problem is unavailable.');
1514: } elsif ($slot_status == $resource->RESERVED) {
1515: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1516: ' '.$slotdescription.'</span><br />'.
1517: &mt('Problem is currently available.');
1518: } elsif ($slot_status == $resource->RESERVED_LOCATION) {
1519: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1520: ' '.$slotdescription.'</span><br />'.
1521: &mt('Problem is available at a different location.');
1522: $get_choices = 1;
1523: } elsif ($slot_status == $resource->RESERVED_LATER) {
1524: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1525: ' '.$slotdescription.'</span><br />'.
1526: &mt('Problem will be available later.');
1527: $get_choices = 1;
1528: } elsif ($slot_status == $resource->RESERVABLE) {
1529: $msg=&mt('Reservation needed');
1530: $get_choices = 1;
1531: } elsif ($slot_status == $resource->NOTRESERVABLE) {
1532: $msg=&mt('Reservation needed: none available.');
1533: } elsif ($slot_status == $resource->UNKNOWN) {
1534: $msg=&mt('Unable to determine status due to network problems.');
1535: } else {
1536: if ($status != $resource->OPEN) {
1537: $msg = &Apache::lonnavmaps::getDescription($resource,'0');
1538: }
1539: }
1540: $reservable ++;
1541: my $treelevel = $depth;
1542: my $higherup = $lastcontainer;
1543: if ($depth > 1) {
1544: my @maprows;
1545: while ($treelevel > 1) {
1546: if (ref($container{$higherup})) {
1547: my $res = $container{$higherup};
1548: last if (defined($shownparent{$higherup}));
1549: my $maptitle = $res->compTitle();
1550: my $type = 'sequence';
1551: if ($res->is_page()) {
1552: $type = 'page';
1553: }
1554: &show_map_row($treelevel,$location,$type,$maptitle,
1555: \@maprows);
1556: $shownparent{$higherup} = 1;
1557: }
1558: $treelevel --;
1559: $higherup = $parent{$treelevel};
1560: }
1561: foreach my $item (@maprows) {
1562: $rownum ++;
1563: my $bgcolor = $backgrounds[$rownum % $numcolors];
1564: if (!$shownheader) {
1565: $r->print($slotheader);
1566: $shownheader = 1;
1567: }
1568: $r->print('<tr class="'.$bgcolor.'">'.$item.'</tr>'."\n");
1569: }
1570: }
1571: $rownum ++;
1572: my $bgcolor = $backgrounds[$rownum % $numcolors];
1573: if (!$shownheader) {
1574: $r->print($slotheader);
1575: $shownheader = 1;
1576: }
1577: $r->print('<tr class="'.$bgcolor.'"><td>'."\n");
1578: for (my $i=0; $i<$depth; $i++) {
1579: $r->print('<img src="'.$location.'" alt="" />');
1580: }
1581: my $result = '<a href="'.$resource->src().'?symb='.$symb.'">'.
1582: '<img class="LC_contentImage" src="/adm/lonIcons/';
1583: if ($resource->is_task()) {
1584: $result .= 'task.gif" alt="'.&mt('Task');
1585: } else {
1586: $result .= 'problem.gif" alt="'.&mt('Problem');
1587: }
1588: $result .= '" /><b>'.$title.'</b></a>'.(' ' x6).'</td>';
1589: my $hasaction;
1590: if ($status == $resource->OPEN) {
1591: if ($get_choices) {
1592: $hasaction = 1;
1593: }
1594: }
1595: if ($hasaction) {
1596: $result .= '<td valgn="middle">'.$msg.'</td>'.
1597: '<td valign="middle">'.(' ' x6);
1598: } else {
1599: $result .= '<td colspan="2" valign="middle">'.$msg.'</td>';
1600: }
1601: $r->print($result);
1602: if ($hasaction) {
1603: my $formname = 'manageres_'.$reservable;
1604: &show_choices($r,$symb,$formname);
1605: $r->print('</td>');
1606: }
1607: $r->print('</tr>');
1608: }
1609: }
1610: }
1611: if ($shownheader) {
1612: $r->print('</table>');
1613: }
1614: if (!$reservable) {
1615: $r->print('<span class="LC_info">');
1616: if ($crstype eq 'Community') {
1617: $r->print(&mt('No community items currently require a reservation to gain access.'));
1618: } else {
1619: $r->print(&mt('No course items currently require a reservation to gain access.'));
1620: }
1621: $r->print('</span>');
1622: }
1623: $r->print('<p><a href="/adm/slotrequest?command=showresv">'.
1624: &mt('Reservation History').'</a></p>');
1625: }
1626:
1627: sub show_map_row {
1628: my ($depth,$location,$type,$title,$maprows) = @_;
1629: my $output = '<td>';
1630: for (my $i=0; $i<$depth-1; $i++) {
1631: $output .= '<img src="'.$location.'" alt="" />';
1632: }
1633: if ($type eq 'page') {
1634: $output .= '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" /> '."\n";
1635: } else {
1636: $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n";
1637: }
1638: $output .= $title.'</td><td colspan="2"> </td>'."\n";
1639: unshift (@{$maprows},$output);
1640: return;
1641: }
1642:
1643: sub show_reservations {
1644: my ($r,$uname,$udom) = @_;
1645: if (!defined($uname)) {
1646: $uname = $env{'user.name'};
1647: }
1648: if (!defined($udom)) {
1649: $udom = $env{'user.domain'};
1650: }
1651: my $formname = 'slotlog';
1652: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1653: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1654: my $crstype = &Apache::loncommon::course_type();
1655: my %log=&Apache::lonnet::dump('nohist_'.$cdom.'_'.$cnum.'_slotlog',$udom,$uname);
1656: if ($env{'form.origin'} eq 'aboutme') {
1657: $r->print('<div class="LC_fontsize_large">');
1658: my $name = &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'},
1659: 'firstname');
1660: if ($crstype eq 'Community') {
1661: $r->print(&mt('History of member-reservable slots for: [_1]',
1662: $name));
1663: } else {
1664: $r->print(&mt('History of student-reservable slots for: [_1]',
1665: $name));
1666:
1667: }
1668: $r->print('</div>');
1669: }
1670: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1671: # set defaults
1672: my $now = time();
1673: my $defstart = $now - (7*24*3600); #7 days ago
1674: my %defaults = (
1675: page => '1',
1676: show => '10',
1677: action => 'any',
1678: log_start_date => $defstart,
1679: log_end_date => $now,
1680: );
1681: my $more_records = 0;
1682:
1683: # set current
1684: my %curr;
1685: foreach my $item ('show','page','action') {
1686: $curr{$item} = $env{'form.'.$item};
1687: }
1688: my ($startdate,$enddate) =
1689: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1690: 'log_end_date');
1691: $curr{'log_start_date'} = $startdate;
1692: $curr{'log_end_date'} = $enddate;
1693: foreach my $key (keys(%defaults)) {
1694: if ($curr{$key} eq '') {
1695: $curr{$key} = $defaults{$key};
1696: }
1697: }
1698: my ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1699: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version));
1700: my $showntablehdr = 0;
1701: my $tablehdr = &Apache::loncommon::start_data_table().
1702: &Apache::loncommon::start_data_table_header_row().
1703: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Action').'</th>'.
1704: '<th>'.&mt('Description').'</th><th>'.&mt('Start time').'</th>'.
1705: '<th>'.&mt('End time').'</th><th>'.&mt('Resource').'</th>'.
1706: &Apache::loncommon::end_data_table_header_row();
1707: my ($minshown,$maxshown);
1708: $minshown = 1;
1709: my $count = 0;
1710: if ($curr{'show'} ne &mt('all')) {
1711: $maxshown = $curr{'page'} * $curr{'show'};
1712: if ($curr{'page'} > 1) {
1713: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1714: }
1715: }
1716: my (%titles,%maptitles);
1717: my %lt = &reservationlog_contexts($crstype);
1718: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1719: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1720: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1721: if ($curr{'show'} ne &mt('all')) {
1722: if ($count >= $curr{'page'} * $curr{'show'}) {
1723: $more_records = 1;
1724: last;
1725: }
1726: }
1727: if ($curr{'action'} ne 'any') {
1728: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1729: }
1730: $count ++;
1731: next if ($count < $minshown);
1732: if (!$showntablehdr) {
1733: $r->print($tablehdr);
1734: $showntablehdr = 1;
1735: }
1736: my $symb = $log{$id}{'logentry'}{'symb'};
1737: my $slot_name = $log{$id}{'logentry'}{'slot'};
1738: my %slot=&Apache::lonnet::get_slot($slot_name);
1739: my $description = $slot{'description'};
1740: my $start = ($slot{'starttime'}?
1741: &Apache::lonlocal::locallocaltime($slot{'starttime'}):'');
1742: my $end = ($slot{'endtime'}?
1743: &Apache::lonlocal::locallocaltime($slot{'endtime'}):'');
1744: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1745: my $chgaction = $log{$id}{'logentry'}{'action'};
1746: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1747: $chgaction = $lt{$chgaction};
1748: }
1749: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$chgaction.'</td><td>'.$description.'</td><td>'.$start.'</td><td>'.$end.'</td><td>'.$title.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1750: }
1751: if ($showntablehdr) {
1752: $r->print(&Apache::loncommon::end_data_table().'<br />');
1753: if (($curr{'page'} > 1) || ($more_records)) {
1754: $r->print('<table><tr>');
1755: if ($curr{'page'} > 1) {
1756: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1757: }
1758: if ($more_records) {
1759: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1760: }
1761: $r->print('</tr></table>');
1762: $r->print(<<"ENDSCRIPT");
1763: <script type="text/javascript">
1764: function chgPage(caller) {
1765: if (caller == 'previous') {
1766: document.$formname.page.value --;
1767: }
1768: if (caller == 'next') {
1769: document.$formname.page.value ++;
1770: }
1771: document.$formname.submit();
1772: return;
1773: }
1774: </script>
1775: ENDSCRIPT
1776: }
1777: } else {
1778: $r->print('<span class="LC_info">'
1779: .&mt('There are no transactions to display.')
1780: .'</span>'
1781: );
1782: }
1783: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'."\n".
1784: '<input type="hidden" name="command" value="showresv" />'."\n");
1785: if ($env{'form.origin'} eq 'aboutme') {
1786: $r->print('<input type="hidden" name="origin" value="'.$env{'form.origin'}.'" />'."\n".
1787: '<input type="hidden" name="uname" value="'.$env{'form.uname'}.'" />'."\n".
1788: '<input type="hidden" name="udom" value="'.$env{'form.udom'}.'" />'."\n");
1789: }
1790: $r->print('</form>');
1791: return;
1792: }
1793:
1794: sub show_reservations_log {
1795: my ($r) = @_;
1796: my $badslot;
1797: my $crstype = &Apache::loncommon::course_type();
1798: if ($env{'form.slotname'} eq '') {
1799: $r->print('<div class="LC_warning">'.&mt('No slot name provided').'</div>');
1800: $badslot = 1;
1801: } else {
1802: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1803: if (keys(%slot) == 0) {
1804: $r->print('<div class="LC_warning">'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'</div>');
1805: $badslot = 1;
1806: } elsif ($slot{type} ne 'schedulable_student') {
1807: my $description = &get_description($env{'form.slotname'},\%slot);
1808: $r->print('<div class="LC_warning">');
1809: if ($crstype eq 'Community') {
1810: $r->print(&mt('Reservation history unavailable for non-member-reservable slot: [_1].',$description));
1811: } else {
1812: $r->print(&mt('Reservation history unavailable for non-student-reservable slot: [_1].',$description));
1813: }
1814: $r->print('</div>');
1815: $badslot = 1;
1816: }
1817: }
1818: if ($badslot) {
1819: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
1820: &mt('Return to slot list').'</a></p>');
1821: return;
1822: }
1823: my $formname = 'reservationslog';
1824: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1825: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1826: my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$cdom,$cnum);
1827: if ((keys(%slotlog))[0]=~/^error\:/) { undef(%slotlog); }
1828:
1829: my (%log,@allsymbs);
1830: if (keys(%slotlog)) {
1831: foreach my $key (keys(%slotlog)) {
1832: if (ref($slotlog{$key}) eq 'HASH') {
1833: if (ref($slotlog{$key}{'logentry'}) eq 'HASH') {
1834: if ($slotlog{$key}{'logentry'}{'slot'} eq $env{'form.slotname'}) {
1835: $log{$key} = $slotlog{$key};
1836: if ($slotlog{$key}{'logentry'}{'symb'} ne '') {
1837: push(@allsymbs,$slotlog{$key}{'logentry'}{'symb'});
1838: }
1839: }
1840: }
1841: }
1842: }
1843: }
1844:
1845: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1846: my %saveable_parameters = ('show' => 'scalar',);
1847: &Apache::loncommon::store_course_settings('reservationslog',
1848: \%saveable_parameters);
1849: &Apache::loncommon::restore_course_settings('reservationslog',
1850: \%saveable_parameters);
1851: # set defaults
1852: my $now = time();
1853: my $defstart = $now - (7*24*3600); #7 days ago
1854: my %defaults = (
1855: page => '1',
1856: show => '10',
1857: chgcontext => 'any',
1858: action => 'any',
1859: symb => 'any',
1860: log_start_date => $defstart,
1861: log_end_date => $now,
1862: );
1863: my $more_records = 0;
1864:
1865: # set current
1866: my %curr;
1867: foreach my $item ('show','page','chgcontext','action','symb') {
1868: $curr{$item} = $env{'form.'.$item};
1869: }
1870: my ($startdate,$enddate) =
1871: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1872: 'log_end_date');
1873: $curr{'log_start_date'} = $startdate;
1874: $curr{'log_end_date'} = $enddate;
1875: foreach my $key (keys(%defaults)) {
1876: if ($curr{$key} eq '') {
1877: $curr{$key} = $defaults{$key};
1878: }
1879: }
1880: my (%whodunit,%changed,$version);
1881: ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1882:
1883: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1884: my $description = $slot{'description'};
1885: $r->print('<span class="LC_fontsize_large">');
1886: if ($crstype eq 'Community') {
1887: $r->print(&mt('Reservation changes for member-reservable slot: [_1]',$description));
1888: } else {
1889: $r->print(&mt('Reservation changes for student-reservable slot: [_1]',$description));
1890: }
1891: $r->print('</span><br />');
1892: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs));
1893: my $showntablehdr = 0;
1894: my $tablehdr = &Apache::loncommon::start_data_table().
1895: &Apache::loncommon::start_data_table_header_row().
1896: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Who made the change').
1897: '</th><th>'.&mt('Affected User').'</th><th>'.&mt('Action').'</th>'.
1898: '<th>'.&mt('Resource').'</th><th>'.&mt('Context').'</th>'.
1899: &Apache::loncommon::end_data_table_header_row();
1900: my ($minshown,$maxshown);
1901: $minshown = 1;
1902: my $count = 0;
1903: if ($curr{'show'} ne &mt('all')) {
1904: $maxshown = $curr{'page'} * $curr{'show'};
1905: if ($curr{'page'} > 1) {
1906: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1907: }
1908: }
1909: my %lt = &reservationlog_contexts($crstype);
1910: my (%titles,%maptitles);
1911: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1912: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1913: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1914: if ($curr{'show'} ne &mt('all')) {
1915: if ($count >= $curr{'page'} * $curr{'show'}) {
1916: $more_records = 1;
1917: last;
1918: }
1919: }
1920: if ($curr{'chgcontext'} ne 'any') {
1921: if ($curr{'chgcontext'} eq 'user') {
1922: next if (($log{$id}{'logentry'}{'context'} ne 'user') &&
1923: ($log{$id}{'logentry'}{'context'} ne 'usermanage'));
1924: } else {
1925: next if ($log{$id}{'logentry'}{'context'} ne $curr{'chgcontext'});
1926: }
1927: }
1928: if ($curr{'action'} ne 'any') {
1929: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1930: }
1931: if ($curr{'symb'} ne 'any') {
1932: next if ($log{$id}{'logentry'}{'symb'} ne $curr{'symb'});
1933: }
1934: $count ++;
1935: next if ($count < $minshown);
1936: if (!$showntablehdr) {
1937: $r->print($tablehdr);
1938: $showntablehdr = 1;
1939: }
1940: if ($whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} eq '') {
1941: $whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} =
1942: &Apache::loncommon::plainname($log{$id}{'exe_uname'},$log{$id}{'exe_udom'});
1943: }
1944: if ($changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} eq '') {
1945: $changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} =
1946: &Apache::loncommon::plainname($log{$id}{'uname'},$log{$id}{'udom'});
1947: }
1948: my $symb = $log{$id}{'logentry'}{'symb'};
1949: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1950: my $chgcontext = $log{$id}{'logentry'}{'context'};
1951: if ($chgcontext ne '' && $lt{$chgcontext} ne '') {
1952: $chgcontext = $lt{$chgcontext};
1953: }
1954: my $chgaction = $log{$id}{'logentry'}{'action'};
1955: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1956: $chgaction = $lt{$chgaction};
1957: }
1958: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$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>'.$chgcontext.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1959: }
1960: if ($showntablehdr) {
1961: $r->print(&Apache::loncommon::end_data_table().'<br />');
1962: if (($curr{'page'} > 1) || ($more_records)) {
1963: $r->print('<table><tr>');
1964: if ($curr{'page'} > 1) {
1965: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1966: }
1967: if ($more_records) {
1968: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1969: }
1970: $r->print('</tr></table>');
1971: $r->print(<<"ENDSCRIPT");
1972: <script type="text/javascript">
1973: function chgPage(caller) {
1974: if (caller == 'previous') {
1975: document.$formname.page.value --;
1976: }
1977: if (caller == 'next') {
1978: document.$formname.page.value ++;
1979: }
1980: document.$formname.submit();
1981: return;
1982: }
1983: </script>
1984: ENDSCRIPT
1985: }
1986: } else {
1987: $r->print(&mt('There are no records to display.'));
1988: }
1989: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'.
1990: '<input type="hidden" name="slotname" value="'.$env{'form.slotname'}.'" />'.
1991: '<input type="hidden" name="command" value="slotlog" /></form>'.
1992: '<p><a href="/adm/slotrequest?command=showslots">'.
1993: &mt('Return to slot list').'</a></p>');
1994: return;
1995: }
1996:
1997: sub get_resource_title {
1998: my ($symb,$titles,$maptitles) = @_;
1999: my $title;
2000: if ((ref($titles) eq 'HASH') && (ref($maptitles) eq 'HASH')) {
2001: if (defined($titles->{$symb})) {
2002: $title = $titles->{$symb};
2003: } else {
2004: $title = &Apache::lonnet::gettitle($symb);
2005: my $maptitle;
2006: my ($mapurl) = &Apache::lonnet::decode_symb($symb);
2007: if (defined($maptitles->{$mapurl})) {
2008: $maptitle = $maptitles->{$mapurl};
2009: } else {
2010: if ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) {
2011: $maptitle=&mt('Main Course Documents');
2012: } else {
2013: $maptitle=&Apache::lonnet::gettitle($mapurl);
2014: }
2015: $maptitles->{$mapurl} = $maptitle;
2016: }
2017: if ($maptitle ne '') {
2018: $title .= ' '.&mt('(in [_1])',$maptitle);
2019: }
2020: $titles->{$symb} = $title;
2021: }
2022: } else {
2023: $title = $symb;
2024: }
2025: return $title;
2026: }
2027:
2028: sub reservationlog_contexts {
2029: my ($crstype) = @_;
2030: my %lt = &Apache::lonlocal::texthash (
2031: any => 'Any',
2032: user => 'By student',
2033: manage => 'Via Slot Manager',
2034: parameter => 'Via Parameter Manager',
2035: reserve => 'Made reservation',
2036: release => 'Dropped reservation',
2037: usermanage => 'By student',
2038: );
2039: if ($crstype eq 'Community') {
2040: $lt{'user'} = &mt('By member');
2041: $lt{'usermanage'} = $lt{'user'};
2042: }
2043: return %lt;
2044: }
2045:
2046: sub display_filter {
2047: my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_;
2048: my $nolink = 1;
2049: my (%titles,%maptitles);
2050: my $output = '<br /><table><tr><td valign="top">'.
2051: '<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
2052: &Apache::lonmeta::selectbox('show',$curr->{'show'},undef,
2053: (&mt('all'),5,10,20,50,100,1000,10000)).
2054: '</td><td> </td>';
2055: my $startform =
2056: &Apache::lonhtmlcommon::date_setter($formname,'log_start_date',
2057: $curr->{'log_start_date'},undef,
2058: undef,undef,undef,undef,undef,undef,$nolink);
2059: my $endform =
2060: &Apache::lonhtmlcommon::date_setter($formname,'log_end_date',
2061: $curr->{'log_end_date'},undef,
2062: undef,undef,undef,undef,undef,undef,$nolink);
2063: my $crstype = &Apache::loncommon::course_type();
2064: my %lt = &reservationlog_contexts($crstype);
2065: $output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
2066: '</b><br /><table><tr><td>'.&mt('After:').
2067: '</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
2068: $endform.'</td></tr></table></td><td> </td>';
2069: if (ref($allsymbs) eq 'ARRAY') {
2070: $output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
2071: '<select name="resource"><option value="any"';
2072: if ($curr->{'resource'} eq 'any') {
2073: $output .= ' selected="selected"';
2074: }
2075: $output .= '>'.&mt('Any').'</option>'."\n";
2076: foreach my $symb (@{$allsymbs}) {
2077: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2078: my $selstr = '';
2079: if ($curr->{'resource'} eq $symb) {
2080: $selstr = ' selected="selected"';
2081: }
2082: $output .= ' <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
2083: }
2084: $output .= '</select></td><td> </td><td valign="top"><b>'.
2085: &mt('Context:').'</b><br /><select name="chgcontext">';
2086: foreach my $chgtype ('any','user','manage','parameter') {
2087: my $selstr = '';
2088: if ($curr->{'chgcontext'} eq $chgtype) {
2089: $output .= $selstr = ' selected="selected"';
2090: }
2091: $output .= '<option value="'.$chgtype.'"'.$selstr.'>'.$lt{$chgtype}.'</option>'."\n";
2092: }
2093: $output .= '</select></td>';
2094: } else {
2095: $output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
2096: '<select name="action"><option value="any"';
2097: if ($curr->{'action'} eq 'any') {
2098: $output .= ' selected="selected"';
2099: }
2100: $output .= '>'.&mt('Any').'</option>'."\n";
2101: foreach my $actiontype ('reserve','release') {
2102: my $selstr = '';
2103: if ($curr->{'action'} eq $actiontype) {
2104: $output .= $selstr = ' selected="selected"';
2105: }
2106: $output .= '<option value="'.$actiontype.'"'.$selstr.'>'.$lt{$actiontype}.'</option>'."\n";
2107: }
2108: $output .= '</select></td>';
2109: }
2110: $output .= '<td> </td><td valign="middle"><input type="submit" value="'.
2111: &mt('Update Display').'" /></tr></table>'.
2112: '<p class="LC_info">'.
2113: &mt('Only changes made from servers running LON-CAPA [_1] or later are displayed.'
2114: ,'2.9.0');
2115: if ($version) {
2116: $output .= ' '.&mt('This LON-CAPA server is version [_1]',$version);
2117: }
2118: $output .= '</p><hr /><br />';
2119: return $output;
2120: }
2121:
2122: sub upload_start {
2123: my ($r)=@_;
2124: $r->print(
2125: &Apache::grades::checkforfile_js()
2126: .'<h3>'.&mt('Specify a file containing the slot definitions.').'</h3>'
2127: .'<form method="post" enctype="multipart/form-data"'
2128: .' action="/adm/slotrequest" name="slotupload">'
2129: .'<input type="hidden" name="command" value="csvuploadmap" />'
2130: .&Apache::lonhtmlcommon::start_pick_box()
2131: .&Apache::lonhtmlcommon::row_title(&mt('File'))
2132: .&Apache::loncommon::upfile_select_html()
2133: .&Apache::lonhtmlcommon::row_closure()
2134: .&Apache::lonhtmlcommon::row_title(
2135: '<label for="noFirstLine">'
2136: .&mt('Ignore First Line')
2137: .'</label>')
2138: .'<input type="checkbox" name="noFirstLine" id="noFirstLine" />'
2139: .&Apache::lonhtmlcommon::row_closure(1)
2140: .&Apache::lonhtmlcommon::end_pick_box()
2141: .'<p>'
2142: .'<input type="button" onclick="javascript:checkUpload(this.form);"'
2143: .' value="'.&mt('Next').'" />'
2144: .'</p>'
2145: .'</form>'
2146: );
2147: }
2148:
2149: sub csvuploadmap_header {
2150: my ($r,$datatoken,$distotal)= @_;
2151: my $javascript;
2152: if ($env{'form.upfile_associate'} eq 'reverse') {
2153: $javascript=&csvupload_javascript_reverse_associate();
2154: } else {
2155: $javascript=&csvupload_javascript_forward_associate();
2156: }
2157:
2158: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
2159: my $ignore=&mt('Ignore First Line');
2160: my $help_field = &Apache::loncommon::help_open_topic('Slot SelectingField');
2161:
2162: $r->print(<<ENDPICK);
2163: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
2164: <h3>Identify fields $help_field</h3>
2165: Total number of records found in file: $distotal <hr />
2166: Enter as many fields as you can. The system will inform you and bring you back
2167: to this page if the data selected is insufficient to create the slots.<hr />
2168: <input type="button" value="Reverse Association" onclick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
2169: <label><input type="checkbox" name="noFirstLine"$checked />$ignore</label>
2170: <input type="hidden" name="associate" value="" />
2171: <input type="hidden" name="datatoken" value="$datatoken" />
2172: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
2173: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
2174: <input type="hidden" name="upfile_associate"
2175: value="$env{'form.upfile_associate'}" />
2176: <input type="hidden" name="command" value="csvuploadassign" />
2177: <hr />
2178: <script type="text/javascript" language="Javascript">
2179: $javascript
2180: </script>
2181: ENDPICK
2182: return '';
2183:
2184: }
2185:
2186: sub csvuploadmap_footer {
2187: my ($request,$i,$keyfields) =@_;
2188: my $buttontext = &mt('Create Slots');
2189: $request->print(<<ENDPICK);
2190: </table>
2191: <input type="hidden" name="nfields" value="$i" />
2192: <input type="hidden" name="keyfields" value="$keyfields" />
2193: <input type="button" onclick="javascript:verify(this.form)" value="$buttontext" /><br />
2194: </form>
2195: ENDPICK
2196: }
2197:
2198: sub csvupload_javascript_reverse_associate {
2199: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2200: return(<<ENDPICK);
2201: function verify(vf) {
2202: var foundstart=0;
2203: var foundend=0;
2204: var foundname=0;
2205: var foundtype=0;
2206: for (i=0;i<=vf.nfields.value;i++) {
2207: tw=eval('vf.f'+i+'.selectedIndex');
2208: if (i==0 && tw!=0) { foundname=1; }
2209: if (i==1 && tw!=0) { foundtype=1; }
2210: if (i==2 && tw!=0) { foundstat=1; }
2211: if (i==3 && tw!=0) { foundend=1; }
2212: }
2213: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2214: alert('$error1');
2215: return;
2216: }
2217: vf.submit();
2218: }
2219: function flip(vf,tf) {
2220: }
2221: ENDPICK
2222: }
2223:
2224: sub csvupload_javascript_forward_associate {
2225: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2226: return(<<ENDPICK);
2227: function verify(vf) {
2228: var foundstart=0;
2229: var foundend=0;
2230: var foundname=0;
2231: var foundtype=0;
2232: for (i=0;i<=vf.nfields.value;i++) {
2233: tw=eval('vf.f'+i+'.selectedIndex');
2234: if (tw==1) { foundname=1; }
2235: if (tw==2) { foundtype=1; }
2236: if (tw==3) { foundstat=1; }
2237: if (tw==4) { foundend=1; }
2238: }
2239: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2240: alert('$error1');
2241: return;
2242: }
2243: vf.submit();
2244: }
2245: function flip(vf,tf) {
2246: }
2247: ENDPICK
2248: }
2249:
2250: sub csv_upload_map {
2251: my ($r)= @_;
2252:
2253: my $datatoken;
2254: if (!$env{'form.datatoken'}) {
2255: $datatoken=&Apache::loncommon::upfile_store($r);
2256: } else {
2257: $datatoken=$env{'form.datatoken'};
2258: &Apache::loncommon::load_tmp_file($r);
2259: }
2260: my @records=&Apache::loncommon::upfile_record_sep();
2261: if ($env{'form.noFirstLine'}) { shift(@records); }
2262: &csvuploadmap_header($r,$datatoken,$#records+1);
2263: my ($i,$keyfields);
2264: if (@records) {
2265: my @fields=&csvupload_fields();
2266:
2267: if ($env{'form.upfile_associate'} eq 'reverse') {
2268: &Apache::loncommon::csv_print_samples($r,\@records);
2269: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
2270: \@fields);
2271: foreach (@fields) { $keyfields.=$_->[0].','; }
2272: chop($keyfields);
2273: } else {
2274: unshift(@fields,['none','']);
2275: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
2276: \@fields);
2277: my %sone=&Apache::loncommon::record_sep($records[0]);
2278: $keyfields=join(',',sort(keys(%sone)));
2279: }
2280: }
2281: &csvuploadmap_footer($r,$i,$keyfields);
2282:
2283: return '';
2284: }
2285:
2286: sub csvupload_fields {
2287: return (['name','Slot name'],
2288: ['type','Type of slot'],
2289: ['starttime','Start Time of slot'],
2290: ['endtime','End Time of slot'],
2291: ['startreserve','Reservation Start Time'],
2292: ['ip','IP or DNS restriction'],
2293: ['proctor','List of proctor ids'],
2294: ['description','Slot Description'],
2295: ['maxspace','Maximum number of reservations'],
2296: ['symb','Resource Restriction'],
2297: ['uniqueperiod','Date range of slot exclusion'],
2298: ['secret','Secret word proctor uses to validate'],
2299: ['allowedsections','Sections slot is restricted to'],
2300: ['allowedusers','Users slot is restricted to'],
2301: );
2302: }
2303:
2304: sub csv_upload_assign {
2305: my ($r,$mgr)= @_;
2306: &Apache::loncommon::load_tmp_file($r);
2307: my @slotdata = &Apache::loncommon::upfile_record_sep();
2308: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
2309: my %fields=&Apache::grades::get_fields();
2310: $r->print('<h3>'.&mt('Creating Slots').'</h3>');
2311: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
2312: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2313: my $countdone=0;
2314: my @errors;
2315: foreach my $slot (@slotdata) {
2316: my %slot;
2317: my %entries=&Apache::loncommon::record_sep($slot);
2318: my $domain;
2319: my $name=$entries{$fields{'name'}};
2320: if ($name=~/^\s*$/) {
2321: push(@errors,"Did not create slot with no name");
2322: next;
2323: }
2324: if ($name=~/\s/) {
2325: push(@errors,"$name not created -- Name must not contain spaces");
2326: next;
2327: }
2328: if ($name=~/\W/) {
2329: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
2330: next;
2331: }
2332: if ($entries{$fields{'type'}}) {
2333: $slot{'type'}=$entries{$fields{'type'}};
2334: } else {
2335: $slot{'type'}='preassigned';
2336: }
2337: if ($slot{'type'} ne 'preassigned' &&
2338: $slot{'type'} ne 'schedulable_student') {
2339: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
2340: next;
2341: }
2342: if ($entries{$fields{'starttime'}}) {
2343: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
2344: }
2345: if ($entries{$fields{'endtime'}}) {
2346: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
2347: }
2348:
2349: # start/endtime must be defined and greater than zero
2350: if (!$slot{'starttime'}) {
2351: push(@errors,"$name not created -- Invalid start time");
2352: next;
2353: }
2354: if (!$slot{'endtime'}) {
2355: push(@errors,"$name not created -- Invalid end time");
2356: next;
2357: }
2358: if ($slot{'starttime'} > $slot{'endtime'}) {
2359: push(@errors,"$name not created -- Slot starts after it ends");
2360: next;
2361: }
2362:
2363: if ($entries{$fields{'startreserve'}}) {
2364: $slot{'startreserve'}=
2365: &UnixDate($entries{$fields{'startreserve'}},"%s");
2366: }
2367: if (defined($slot{'startreserve'})
2368: && $slot{'startreserve'} > $slot{'starttime'}) {
2369: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
2370: next;
2371: }
2372:
2373: foreach my $key ('ip','proctor','description','maxspace',
2374: 'secret','symb') {
2375: if ($entries{$fields{$key}}) {
2376: $slot{$key}=$entries{$fields{$key}};
2377: }
2378: }
2379:
2380: if ($entries{$fields{'uniqueperiod'}}) {
2381: my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
2382: my @times=(&UnixDate($start,"%s"),
2383: &UnixDate($end,"%s"));
2384: $slot{'uniqueperiod'}=\@times;
2385: }
2386: if (defined($slot{'uniqueperiod'})
2387: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
2388: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
2389: next;
2390: }
2391:
2392: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
2393: $r->print('.');
2394: $r->rflush();
2395: $countdone++;
2396: }
2397: $r->print('<p>'.&mt('Created [quant,_1,slot]',$countdone)."\n".'</p>');
2398: foreach my $error (@errors) {
2399: $r->print('<p><span class="LC_warning">'.$error.'</span></p>'."\n");
2400: }
2401: &show_table($r,$mgr);
2402: return '';
2403: }
2404:
2405: sub slot_command_titles {
2406: my %titles = (
2407: slotlog => 'Reservation Logs',
2408: showslots => 'Manage Slots',
2409: showresv => 'Reservation History',
2410: manageresv => 'Manage Reservations',
2411: uploadstart => 'Upload Slots File',
2412: csvuploadmap => 'Upload Slots File',
2413: csvuploadassign => 'Upload Slots File',
2414: delete => 'Slot Deletion',
2415: release => 'Reservation Result',
2416: remove_reservation => 'Remove Registration',
2417: get_reservation => 'Request Reservation',
2418: );
2419: return %titles;
2420: }
2421:
2422: sub handler {
2423: my $r=shift;
2424:
2425: &Apache::loncommon::content_type($r,'text/html');
2426: &Apache::loncommon::no_cache($r);
2427: if ($r->header_only()) {
2428: $r->send_http_header();
2429: return OK;
2430: }
2431:
2432: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
2433:
2434: my %crumb_titles = &slot_command_titles();
2435: my $brcrum;
2436:
2437: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
2438: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
2439: if ($env{'form.command'} eq 'showslots') {
2440: if (($vgr ne 'F') && ($mgr ne 'F')) {
2441: $env{'form.command'} = 'manageresv';
2442: }
2443: } elsif ($env{'form.command'} eq 'manageresv') {
2444: if (($vgr eq 'F') || ($mgr eq 'F')) {
2445: $env{'form.command'} = 'showslots';
2446: }
2447: }
2448: my $title='Requesting Another Worktime';
2449: if ($env{'form.command'} eq 'showresv') {
2450: $title = 'Reservation History';
2451: if ($env{'form.origin'} eq 'aboutme') {
2452: $brcrum =[{href=>"/adm/$env{'form.udom'}/$env{'form.uname'}/aboutme",text=>'Personal Information Page'}];
2453: } else {
2454: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>'Manage Reservations'}];
2455: }
2456: if (ref($brcrum) eq 'ARRAY') {
2457: push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title});
2458: }
2459: } elsif ($env{'form.command'} eq 'manageresv') {
2460: $title = 'Manage Reservations';
2461: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
2462: } elsif ($vgr eq 'F') {
2463: if ($env{'form.command'} =~ /^(slotlog|showslots|uploadstart|csvuploadmap|csvuploadassign|delete|release|remove_registration)$/) {
2464: $brcrum =[{href=>"/adm/slotrequest?command=showslots",
2465: text=>$crumb_titles{'showslots'}}];
2466: $title = 'Managing Slots';
2467: unless ($env{'form.command'} eq 'showslots') {
2468: if (ref($brcrum) eq 'ARRAY') {
2469: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2470: }
2471: }
2472: }
2473: } elsif ($env{'form.command'} eq 'release') {
2474: if ($env{'form.context'} eq 'usermanage') {
2475: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",
2476: text=>$crumb_titles{'showslots'}}];
2477: $title = 'Manage Reservations';
2478: if (ref($brcrum) eq 'ARRAY') {
2479: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2480: }
2481:
2482: }
2483: }
2484: &start_page($r,$title,$brcrum);
2485:
2486: if ($env{'form.command'} eq 'manageresv') {
2487: my $crstype = &Apache::loncommon::course_type();
2488: &manage_reservations($r,$crstype);
2489: } elsif ($env{'form.command'} eq 'showresv') {
2490: &show_reservations($r,$env{'form.uname'},$env{'form.udom'});
2491: } elsif ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
2492: &show_table($r,$mgr);
2493: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
2494: &remove_registration($r);
2495: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
2496: if ($env{'form.entry'} eq 'remove all') {
2497: &release_all_slot($r,$mgr);
2498: } else {
2499: &release_slot($r,undef,undef,undef,$mgr);
2500: }
2501: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
2502: &delete_slot($r);
2503: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
2504: &upload_start($r);
2505: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
2506: &csv_upload_map($r);
2507: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
2508: if ($env{'form.associate'} ne 'Reverse Association') {
2509: &csv_upload_assign($r,$mgr);
2510: } else {
2511: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
2512: $env{'form.upfile_associate'} = 'reverse';
2513: } else {
2514: $env{'form.upfile_associate'} = 'forward';
2515: }
2516: &csv_upload_map($r);
2517: }
2518: } elsif ($env{'form.command'} eq 'slotlog' && $mgr eq 'F') {
2519: &show_reservations_log($r);
2520: } else {
2521: my $symb=&unescape($env{'form.symb'});
2522: if (!defined($symb)) {
2523: &fail($r,'not_valid');
2524: return OK;
2525: }
2526: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
2527: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
2528: if ($useslots ne 'resource'
2529: && $useslots ne 'map'
2530: && $useslots ne 'map_map') {
2531: &fail($r,'not_available');
2532: return OK;
2533: }
2534: $env{'request.symb'}=$symb;
2535: my $type = ($res =~ /\.task$/) ? 'Task'
2536: : 'problem';
2537: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
2538: if ($status eq 'CAN_ANSWER' ||
2539: $status eq 'NEEDS_CHECKIN' ||
2540: $status eq 'WAITING_FOR_GRADE') {
2541: &fail($r,'not_allowed');
2542: return OK;
2543: }
2544: if ($env{'form.requestattempt'}) {
2545: &show_choices($r,$symb);
2546: } elsif ($env{'form.command'} eq 'release') {
2547: &release_slot($r,$symb);
2548: } elsif ($env{'form.command'} eq 'get') {
2549: &get_slot($r,$symb);
2550: } elsif ($env{'form.command'} eq 'change') {
2551: if (&get_slot($r,$symb,$env{'form.releaseslot'},1)) {
2552: &release_slot($r,$symb,$env{'form.releaseslot'});
2553: }
2554: } else {
2555: $r->print('<p>'.&mt('Unknown command: [_1]',$env{'form.command'}).'</p>');
2556: }
2557: }
2558: &end_page($r);
2559: return OK;
2560: }
2561:
2562: 1;
2563: __END__
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