File:
[LON-CAPA] /
loncom /
interface /
slotrequest.pm
Revision
1.68:
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Fri Jun 30 04:28:18 2006 UTC (17 years, 10 months ago) by
albertel
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CVS tags:
version_2_2_X,
version_2_2_2,
version_2_2_1,
version_2_2_0,
version_2_1_99_3,
version_2_1_99_2,
version_2_1_99_1,
version_2_1_99_0,
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- BUG#4892 slots restricted ato a group weren't working
1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.68 2006/06/30 04:28:18 albertel 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)=@_;
60: $r->print(&Apache::loncommon::start_page($title));
61: }
62:
63: sub end_page {
64: my ($r)=@_;
65: $r->print(&Apache::loncommon::end_page());
66: }
67:
68: =pod
69:
70: slot_reservations db
71: - keys are
72: - slotname\0id -> value is an hashref of
73: name -> user@domain of holder
74: timestamp -> timestamp of reservation
75: symb -> symb of resource that it is reserved for
76:
77: =cut
78:
79: sub get_course {
80: (undef,my $courseid)=&Apache::lonxml::whichuser();
81: my $cdom=$env{'course.'.$courseid.'.domain'};
82: my $cnum=$env{'course.'.$courseid.'.num'};
83: return ($cnum,$cdom);
84: }
85:
86: sub get_reservation_ids {
87: my ($slot_name)=@_;
88:
89: my ($cnum,$cdom)=&get_course();
90:
91: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
92: "^$slot_name\0");
93: if (&Apache::lonnet::error(%consumed)) {
94: return 'error: Unable to determine current status';
95: }
96: my ($tmp)=%consumed;
97: if ($tmp=~/^error: 2 / ) {
98: return 0;
99: }
100: return keys(%consumed);
101: }
102:
103: sub space_available {
104: my ($slot_name,$slot)=@_;
105: my $max=$slot->{'maxspace'};
106:
107: if (!defined($max)) { return 1; }
108:
109: my $consumed=scalar(&get_reservation_ids($slot_name));
110: if ($consumed < $max) {
111: return 1
112: }
113: return 0;
114: }
115:
116: sub check_for_reservation {
117: my ($symb,$mode)=@_;
118: my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
119: $env{'user.domain'}, $env{'user.name'});
120:
121: my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
122: $env{'user.domain'}, $env{'user.name'});
123: my @slots = (split(/:/,$student), split(/:/, $course));
124:
125: &Apache::lonxml::debug(" slot list is ".join(':',@slots));
126:
127: my ($cnum,$cdom)=&get_course();
128: my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
129:
130: if (&Apache::lonnet::error($student)
131: || &Apache::lonnet::error($course)
132: || &Apache::lonnet::error(%slots)) {
133: return 'error: Unable to determine current status';
134: }
135: my @got;
136: foreach my $slot_name (sort {
137: if (ref($slots{$a}) && ref($slots{$b})) {
138: return $slots{$a}{'starttime'} <=> $slots{$b}{'starttime'}
139: }
140: if (ref($slots{$a})) { return -1;}
141: if (ref($slots{$b})) { return 1;}
142: return 0;
143: } @slots) {
144: next if (!defined($slots{$slot_name}) ||
145: !ref($slots{$slot_name}));
146: &Apache::lonxml::debug(time." $slot_name ".
147: $slots{$slot_name}->{'starttime'}." -- ".
148: $slots{$slot_name}->{'startreserve'});
149: if ($slots{$slot_name}->{'endtime'} > time &&
150: $slots{$slot_name}->{'startreserve'} < time) {
151: # between start of reservation times and end of slot
152: if ($mode eq 'allslots') {
153: push(@got,$slot_name);
154: } else {
155: return($slot_name, $slots{$slot_name});
156: }
157: }
158: }
159: if ($mode eq 'allslots' && @got) {
160: return @got;
161: }
162: return (undef,undef);
163: }
164:
165: sub get_consumed_uniqueperiods {
166: my ($slots) = @_;
167: my $navmap=Apache::lonnavmaps::navmap->new;
168: my @problems = $navmap->retrieveResources(undef,
169: sub { $_[0]->is_problem() },1,0);
170: my %used_slots;
171: foreach my $problem (@problems) {
172: my $symb = $problem->symb();
173: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
174: $symb, $env{'user.domain'},
175: $env{'user.name'});
176: my $course = &Apache::lonnet::EXT("resource.0.available",
177: $symb, $env{'user.domain'},
178: $env{'user.name'});
179: if (&Apache::lonnet::error($student)
180: || &Apache::lonnet::error($course)) {
181: return 'error: Unable to determine current status';
182: }
183: foreach my $slot (split(/:/,$student), split(/:/, $course)) {
184: $used_slots{$slot}=1;
185: }
186: }
187:
188: if (!ref($slots)) {
189: my ($cnum,$cdom)=&get_course();
190: my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
191: if (&Apache::lonnet::error(%slots)) {
192: return 'error: Unable to determine current status';
193: }
194: $slots = \%slots;
195: }
196:
197: my %consumed_uniqueperiods;
198: foreach my $slot_name (keys(%used_slots)) {
199: next if (!defined($slots->{$slot_name}) ||
200: !ref($slots->{$slot_name}));
201:
202: next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
203: !ref($slots->{$slot_name}{'uniqueperiod'}));
204: $consumed_uniqueperiods{$slot_name} =
205: $slots->{$slot_name}{'uniqueperiod'};
206: }
207: return \%consumed_uniqueperiods;
208: }
209:
210: sub check_for_conflict {
211: my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
212:
213: if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
214:
215: if (!ref($consumed_uniqueperiods)) {
216: $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
217: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
218: return 'error: Unable to determine current status';
219: }
220: }
221:
222: my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
223: foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
224: my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
225: if (!
226: ($start < $new_uniq_start && $end < $new_uniq_start) ||
227: ($start > $new_uniq_end && $end > $new_uniq_end )) {
228: return $slot_name;
229: }
230: }
231: return undef;
232:
233: }
234:
235: sub make_reservation {
236: my ($slot_name,$slot,$symb)=@_;
237:
238: my ($cnum,$cdom)=&get_course();
239:
240: my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
241: $env{'user.domain'},$env{'user.name'});
242: &Apache::lonxml::debug("value is $value<br />");
243:
244: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots");
245: &Apache::lonxml::debug("use_slots is $use_slots<br />");
246:
247: if (&Apache::lonnet::error($value)
248: || &Apache::lonnet::error($use_slots)) {
249: return 'error: Unable to determine current status';
250: }
251:
252: my $parm_symb = $symb;
253: my $parm_level = 1;
254: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
255: my ($map) = &Apache::lonnet::decode_symb($symb);
256: $parm_symb = &Apache::lonnet::symbread($map);
257: $parm_level = 2;
258: }
259:
260: foreach my $other_slot (split(/:/, $value)) {
261: if ($other_slot eq $slot_name) {
262: my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
263: $cnum, "^$slot_name\0");
264: if (&Apache::lonnet::error($value)) {
265: return 'error: Unable to determine current status';
266: }
267: my $me=$env{'user.name'}.':'.$env{'user.domain'};
268: foreach my $key (keys(%consumed)) {
269: if ($consumed{$key}->{'name'} eq $me) {
270: my $num=(split('\0',$key))[1];
271: return -$num;
272: }
273: }
274: }
275: }
276:
277: my $max=$slot->{'maxspace'};
278: if (!defined($max)) { $max=99999; }
279:
280: my (@ids)=&get_reservation_ids($slot_name);
281: if (&Apache::lonnet::error(@ids)) {
282: return 'error: Unable to determine current status';
283: }
284: my $last=0;
285: foreach my $id (@ids) {
286: my $num=(split('\0',$id))[1];
287: if ($num > $last) { $last=$num; }
288: }
289:
290: my $wanted=$last+1;
291: &Apache::lonxml::debug("wanted $wanted<br />");
292: if (scalar(@ids) >= $max) {
293: # full up
294: return undef;
295: }
296:
297: my %reservation=('name' => $env{'user.name'}.':'.$env{'user.domain'},
298: 'timestamp' => time,
299: 'symb' => $parm_symb);
300:
301: my $success=&Apache::lonnet::newput('slot_reservations',
302: {"$slot_name\0$wanted" =>
303: \%reservation},
304: $cdom, $cnum);
305:
306: if ($success eq 'ok') {
307: my $new_value=$slot_name;
308: if ($value) {
309: $new_value=$value.':'.$new_value;
310: }
311: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
312: '0_availablestudent',
313: $parm_level, $new_value,
314: 'string',
315: $env{'user.name'},
316: $env{'user.domain'});
317: &Apache::lonxml::debug("hrrm $result");
318: return $wanted;
319: }
320:
321: # someone else got it
322: return undef;
323: }
324:
325: sub remove_registration {
326: my ($r) = @_;
327: if ($env{'form.entry'} ne 'remove all') {
328: return &remove_registration_user($r);
329: }
330: my $slot_name = $env{'form.slotname'};
331: my %slot=&Apache::lonnet::get_slot($slot_name);
332:
333: my ($cnum,$cdom)=&get_course();
334: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
335: "^$slot_name\0");
336: if (&Apache::lonnet::error(%consumed)) {
337: $r->print("<p>".&mt('A network error has occured.').'</p>');
338: return;
339: }
340: if (!%consumed) {
341: $r->print("<p>".&mt('Slot <tt>[_1]</tt> has no reservations.',
342: $slot_name)."</p>");
343: return;
344: }
345:
346: my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
347: my $names = join(' ',@names);
348:
349: my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
350: &remove_registration_confirmation($r,$msg,['entry','slotname']);
351: }
352:
353: sub remove_registration_user {
354: my ($r) = @_;
355:
356: my $slot_name = $env{'form.slotname'};
357:
358: my $name = &Apache::loncommon::plainname($env{'form.uname'},
359: $env{'form.udom'});
360:
361: my $title = &Apache::lonnet::gettitle($env{'form.symb'});
362:
363: my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
364: $name,$slot_name,$title);
365:
366: &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
367: 'entry','symb']);
368: }
369:
370: sub remove_registration_confirmation {
371: my ($r,$msg,$inputs) =@_;
372:
373: my $hidden_input;
374: foreach my $parm (@{$inputs}) {
375: $hidden_input .=
376: '<input type="hidden" name="'.$parm.'" value="'
377: .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
378: }
379: my %lt = &Apache::lonlocal::texthash('yes' => 'Yes',
380: 'no' => 'No',);
381: $r->print(<<"END_CONFIRM");
382: <p> $msg </p>
383: <form action="/adm/slotrequest" method="post">
384: <input type="hidden" name="command" value="release" />
385: <input type="hidden" name="button" value="yes" />
386: $hidden_input
387: <input type="submit" value="$lt{'yes'}" />
388: </form>
389: <form action="/adm/slotrequest" method="post">
390: <input type="hidden" name="command" value="showslots" />
391: <input type="submit" value="$lt{'no'}" />
392: </form>
393: END_CONFIRM
394:
395: }
396:
397: sub release_all_slot {
398: my ($r,$mgr)=@_;
399:
400: my $slot_name = $env{'form.slotname'};
401:
402: my ($cnum,$cdom)=&get_course();
403:
404: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
405: "^$slot_name\0");
406:
407: $r->print('<p>'.&mt('Releasing reservations').'</p>');
408:
409: foreach my $entry (sort { $consumed{$a}{'name'} cmp
410: $consumed{$b}{'name'} } (keys(%consumed))) {
411: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
412: my ($result,$msg) =
413: &release_reservation($slot_name,$uname,$udom,
414: $consumed{$entry}{'symb'},$mgr);
415: $r->print("<p>$msg</p>");
416: $r->rflush();
417: }
418: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
419: &mt('Return to slot list').'</a></p>');
420: &return_link($r);
421: }
422:
423: sub release_slot {
424: my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
425:
426: if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
427:
428: my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
429: if ($mgr eq 'F'
430: && defined($env{'form.uname'}) && defined($env{'form.udom'})) {
431: ($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
432: }
433:
434: if ($mgr eq 'F'
435: && defined($env{'form.symb'})) {
436: $symb = $env{'form.symb'};
437: }
438:
439: my ($result,$msg) =
440: &release_reservation($slot_name,$uname,$udom,$symb,$mgr);
441: $r->print("<p>$msg</p>");
442:
443: if ($mgr eq 'F') {
444: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
445: &mt('Return to slot list').'</a></p>');
446: }
447:
448: if (!$inhibit_return_link) { &return_link($r); }
449: return $result;
450: }
451:
452: sub release_reservation {
453: my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
454: my %slot=&Apache::lonnet::get_slot($slot_name);
455: my $description=&get_description($slot_name,\%slot);
456:
457: if ($mgr ne 'F') {
458: if ($slot{'starttime'} < time) {
459: return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description));
460: }
461: }
462: # get parameter string, check for existance, rebuild string with the slot
463: my @slots = split(/:/,&Apache::lonnet::EXT("resource.0.availablestudent",
464: $symb,$udom,$uname));
465:
466: my @new_slots;
467: foreach my $exist_slot (@slots) {
468: if ($exist_slot eq $slot_name) { next; }
469: push(@new_slots,$exist_slot);
470: }
471: my $new_param = join(':',@new_slots);
472:
473: my ($cnum,$cdom)=&get_course();
474:
475: # get slot reservations, check if user has one, if so remove reservation
476: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
477: "^$slot_name\0");
478: foreach my $entry (keys(%consumed)) {
479: if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
480: &Apache::lonnet::del('slot_reservations',[$entry],
481: $cdom,$cnum);
482: }
483: }
484:
485: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots");
486: &Apache::lonxml::debug("use_slots is $use_slots<br />");
487:
488: if (&Apache::lonnet::error($use_slots)) {
489: return (0,'error: Unable to determine current status');
490: }
491:
492: my $parm_level = 1;
493: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
494: $parm_level = 2;
495: }
496: # store new parameter string
497: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
498: '0_availablestudent',
499: $parm_level, $new_param,
500: 'string', $uname, $udom);
501:
502: my $msg;
503: if ($mgr eq 'F') {
504: $msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
505: } else {
506: $msg = &mt('Released Reservation: [_1]',$description);
507: }
508: return (1,$msg);
509: }
510:
511: sub delete_slot {
512: my ($r)=@_;
513:
514: my $slot_name = $env{'form.slotname'};
515: my %slot=&Apache::lonnet::get_slot($slot_name);
516:
517: my ($cnum,$cdom)=&get_course();
518: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
519: "^$slot_name\0");
520: my ($tmp) = %consumed;
521: if ($tmp =~ /error: 2/) { undef(%consumed); }
522:
523: if (%slot && !%consumed) {
524: $slot{'type'} = 'deleted';
525: my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
526: $cdom, $cnum);
527: if ($ret eq 'ok') {
528: $r->print("<p>Slot <tt>$slot_name</tt> marked as deleted.</p>");
529: } else {
530: $r->print("<p> An error ($ret) occurse when attempting to delete Slot <tt>$slot_name</tt>.</p>");
531: }
532: } else {
533: if (%consumed) {
534: $r->print("<p>Slot <tt>$slot_name</tt> has active reservations.</p>");
535: } else {
536: $r->print("<p>Slot <tt>$slot_name</tt> does not exist.</p>");
537: }
538: }
539: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
540: &mt('Return to slot list').'</a></p>');
541: &return_link($r);
542: }
543:
544: sub return_link {
545: my ($r) = @_;
546: $r->print('<p><a href="/adm/flip?postdata=return:">'.
547: &mt('Return to last resource').'</a></p>');
548: }
549:
550: sub get_slot {
551: my ($r,$symb)=@_;
552:
553: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
554: my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
555:
556: if ($slot_name =~ /^error: (.*)/) {
557: $r->print("<p>An error occured while attempting to make a reservation. ($1)</p>");
558: &return_link($r);
559: return;
560: }
561: if ($slot_name) {
562: my %slot=&Apache::lonnet::get_slot($slot_name);
563: my $description1=&get_description($slot_name,\%slot);
564: %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
565: my $description2=&get_description($env{'form.slotname'},\%slot);
566: $r->print("<p>Already have a reservation: $description1</p>");
567: if ($slot_name ne $env{'form.slotname'}) {
568: $r->print(<<STUFF);
569: <form method="post" action="/adm/slotrequest">
570: <input type="hidden" name="symb" value="$env{'form.symb'}" />
571: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
572: <input type="hidden" name="releaseslot" value="$slot_name" />
573: <input type="hidden" name="command" value="change" />
574: STUFF
575: $r->print("<p>You can either ");
576: $r->print(<<STUFF);
577: <input type="submit" name="change" value="Change" />
578: STUFF
579: $r->print(' your reservation from <b>'.$description1.'</b> to <b>'.
580: $description2.
581: '</b> <br />or </p>');
582: &return_link($r);
583: $r->print(<<STUFF);
584: </form>
585: STUFF
586: } else {
587: &return_link($r);
588: }
589: return;
590: }
591:
592: my $reserved=&make_reservation($env{'form.slotname'},
593: \%slot,$symb);
594: my $description=&get_description($env{'form.slotname'},\%slot);
595: if (defined($reserved)) {
596: if ($slot_name =~ /^error: (.*)/) {
597: $r->print("<p>An error occured while attempting to make a reservation. ($1)</p>");
598: } elsif ($reserved > -1) {
599: $r->print("<p>Success: $description</p>");
600: } elsif ($reserved < 0) {
601: $r->print("<p>Already reserved: $description</p>");
602: }
603: &return_link($r);
604: return;
605: }
606:
607: my %lt=('request'=>"Availibility list",
608: 'try' =>'Try again');
609: %lt=&Apache::lonlocal::texthash(%lt);
610:
611: $r->print(<<STUFF);
612: <p> <font color="red">Failed</font> to reserve a spot for $description. </p>
613: <p>
614: <form method="post" action="/adm/slotrequest">
615: <input type="submit" name="Try Again" value="$lt{'try'}" />
616: <input type="hidden" name="symb" value="$env{'form.symb'}" />
617: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
618: <input type="hidden" name="command" value="get" />
619: </form>
620: ?
621: </p>
622: <p>
623: or
624: <form method="post" action="/adm/slotrequest">
625: <input type="hidden" name="symb" value="$env{'form.symb'}" />
626: <input type="submit" name="requestattempt" value="$lt{'request'}" />
627: </form>
628: </p>
629: or
630: STUFF
631:
632: &return_link($r);
633: return;
634: }
635:
636: sub allowed_slot {
637: my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods)=@_;
638:
639: #already started
640: if ($slot->{'starttime'} < time) {
641: # all open slot to be schedulable
642: #return 0;
643: }
644: &Apache::lonxml::debug("$slot_name starttime good");
645:
646: #already ended
647: if ($slot->{'endtime'} < time) {
648: return 0;
649: }
650: &Apache::lonxml::debug("$slot_name endtime good");
651:
652: # not allowed to pick this one
653: if (defined($slot->{'type'})
654: && $slot->{'type'} ne 'schedulable_student') {
655: return 0;
656: }
657: &Apache::lonxml::debug("$slot_name type good");
658:
659: # reserve time not yet started
660: if ($slot->{'startreserve'} > time) {
661: return 0;
662: }
663: &Apache::lonxml::debug("$slot_name reserve good");
664:
665: my $userallowed=0;
666: # its for a different set of users
667: if (defined($slot->{'allowedsections'})) {
668: if (!defined($env{'request.role.sec'})
669: && grep(/^No section assigned$/,
670: split(',',$slot->{'allowedsections'}))) {
671: $userallowed=1;
672: }
673: if (defined($env{'request.role.sec'})
674: && grep(/^\Q$env{'request.role.sec'}\E$/,
675: split(',',$slot->{'allowedsections'}))) {
676: $userallowed=1;
677: }
678: if (defined($env{'request.course.groups'})) {
679: my @groups = split(/:/,$env{'request.course.groups'});
680: my @allowed_sec = split(',',$slot->{'allowedsections'});
681: foreach my $group (@groups) {
682: if (grep {$_ eq $group} (@allowed_sec)) {
683: $userallowed=1;
684: last;
685: }
686: }
687: }
688: }
689: &Apache::lonxml::debug("$slot_name sections is $userallowed");
690:
691: # its for a different set of users
692: if (defined($slot->{'allowedusers'})
693: && grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
694: split(',',$slot->{'allowedusers'}))) {
695: $userallowed=1;
696: }
697:
698: if (!defined($slot->{'allowedusers'})
699: && !defined($slot->{'allowedsections'})) {
700: $userallowed=1;
701: }
702:
703: &Apache::lonxml::debug("$slot_name user is $userallowed");
704: return 0 if (!$userallowed);
705:
706: # not allowed for this resource
707: if (defined($slot->{'symb'})
708: && $slot->{'symb'} ne $symb) {
709: return 0;
710: }
711:
712: my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
713: $consumed_uniqueperiods);
714: if ($conflict) {
715: if ($slots->{$conflict}{'starttime'} < time) {
716: return 0;
717: }
718: }
719: &Apache::lonxml::debug("$slot_name symb good");
720: return 1;
721: }
722:
723: sub get_description {
724: my ($slot_name,$slot)=@_;
725: my $description=$slot->{'description'};
726: if (!defined($description)) {
727: $description=&mt('[_1] From [_2] to [_3]',$slot_name,
728: &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
729: &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
730: }
731: return $description;
732: }
733:
734: sub show_choices {
735: my ($r,$symb)=@_;
736:
737: my ($cnum,$cdom)=&get_course();
738: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
739: my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
740: my $available;
741: $r->print('<table border="1">');
742: &Apache::lonxml::debug("Checking Slots");
743: my @got_slots=&check_for_reservation($symb,'allslots');
744: foreach my $slot (sort
745: { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
746: (keys(%slots))) {
747:
748: &Apache::lonxml::debug("Checking Slot $slot");
749: next if (!&allowed_slot($slot,$slots{$slot},undef,\%slots,
750: $consumed_uniqueperiods));
751:
752: $available++;
753:
754: my $description=&get_description($slot,$slots{$slot});
755:
756: my $form=&mt('Unavailable');
757: if ((grep(/^\Q$slot\E$/,@got_slots)) ||
758: &space_available($slot,$slots{$slot},$symb)) {
759: my $text=&mt('Select');
760: my $command='get';
761: if (grep(/^\Q$slot\E$/,@got_slots)) {
762: $text=&mt('Free Reservation');
763: $command='release';
764: } else {
765: my $conflict = &check_for_conflict($symb,$slot,$slots{$slot},
766: \%slots,
767: $consumed_uniqueperiods);
768: if ($conflict) {
769: $text=&mt('Change Reservation');
770: $command='get';
771: }
772: }
773: my $escsymb=&escape($symb);
774: $form=<<STUFF;
775: <form method="post" action="/adm/slotrequest">
776: <input type="submit" name="Select" value="$text" />
777: <input type="hidden" name="symb" value="$escsymb" />
778: <input type="hidden" name="slotname" value="$slot" />
779: <input type="hidden" name="command" value="$command" />
780: </form>
781: STUFF
782: }
783: $r->print(<<STUFF);
784: <tr>
785: <td>$form</td>
786: <td>$description</td>
787: </tr>
788: STUFF
789: }
790:
791: if (!$available) {
792: $r->print('<tr><td>No available times. <a href="/adm/flip?postdata=return:">'.
793: &mt('Return to last resource').'</a></td></tr>');
794: }
795: $r->print('</table>');
796: }
797:
798: sub to_show {
799: my ($slotname,$slot,$when,$deleted,$name) = @_;
800: my $time=time;
801: my $week=60*60*24*7;
802:
803: if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
804: return 0;
805: }
806:
807: if ($name && $name->{'value'} =~ /\w/) {
808: if ($name->{'type'} eq 'substring') {
809: if ($slotname !~ /\Q$name->{'value'}\E/) {
810: return 0;
811: }
812: }
813: if ($name->{'type'} eq 'exact') {
814: if ($slotname eq $name->{'value'}) {
815: return 0;
816: }
817: }
818: }
819:
820: if ($when eq 'any') {
821: return 1;
822: } elsif ($when eq 'now') {
823: if ($time > $slot->{'starttime'} &&
824: $time < $slot->{'endtime'}) {
825: return 1;
826: }
827: return 0;
828: } elsif ($when eq 'nextweek') {
829: if ( ($time < $slot->{'starttime'} &&
830: ($time+$week) > $slot->{'starttime'})
831: ||
832: ($time < $slot->{'endtime'} &&
833: ($time+$week) > $slot->{'endtime'}) ) {
834: return 1;
835: }
836: return 0;
837: } elsif ($when eq 'lastweek') {
838: if ( ($time > $slot->{'starttime'} &&
839: ($time-$week) < $slot->{'starttime'})
840: ||
841: ($time > $slot->{'endtime'} &&
842: ($time-$week) < $slot->{'endtime'}) ) {
843: return 1;
844: }
845: return 0;
846: } elsif ($when eq 'willopen') {
847: if ($time < $slot->{'starttime'}) {
848: return 1;
849: }
850: return 0;
851: } elsif ($when eq 'wereopen') {
852: if ($time > $slot->{'endtime'}) {
853: return 1;
854: }
855: return 0;
856: }
857:
858: return 1;
859: }
860:
861: sub remove_link {
862: my ($slotname,$entry,$uname,$udom,$symb) = @_;
863:
864: my $remove = &mt('Remove');
865:
866: if ($entry eq 'remove all') {
867: $remove = &mt('Remove All');
868: undef($uname);
869: undef($udom);
870: }
871:
872: $slotname = &escape($slotname);
873: $entry = &escape($entry);
874: $uname = &escape($uname);
875: $udom = &escape($udom);
876: $symb = &escape($symb);
877:
878: return <<"END_LINK";
879: <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb"
880: >($remove)</a>
881: END_LINK
882:
883: }
884:
885: sub show_table {
886: my ($r,$mgr)=@_;
887:
888: my ($cnum,$cdom)=&get_course();
889: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
890: if ( (keys(%slots))[0] =~ /^error: 2 /) {
891: undef(%slots);
892: }
893: my $available;
894: if ($mgr eq 'F') {
895: $r->print('<div>');
896: $r->print('<form method="post" action="/adm/slotrequest">
897: <input type="hidden" name="command" value="uploadstart" />
898: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
899: </form>');
900: $r->print('<form method="post" action="/adm/helper/newslot.helper">
901: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
902: </form>');
903: $r->print('</div>');
904: }
905:
906: my %Saveable_Parameters = ('show' => 'array',
907: 'when' => 'scalar',
908: 'order' => 'scalar',
909: 'deleted' => 'scalar',
910: 'name_filter_type' => 'scalar',
911: 'name_filter_value' => 'scalar',
912: );
913: &Apache::loncommon::store_course_settings('slotrequest',
914: \%Saveable_Parameters);
915: &Apache::loncommon::restore_course_settings('slotrequest',
916: \%Saveable_Parameters);
917: &Apache::grades::init_perm();
918: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
919: &Apache::grades::reset_perm();
920:
921: # what to display filtering
922: my %show_fields=&Apache::lonlocal::texthash(
923: 'name' => 'Slot Name',
924: 'description' => 'Description',
925: 'type' => 'Type',
926: 'starttime' => 'Start time',
927: 'endtime' => 'End Time',
928: 'startreserve' => 'Time students can start reserving',
929: 'secret' => 'Secret Word',
930: 'maxspace' => 'Maximum # of students',
931: 'ip' => 'IP or DNS restrictions',
932: 'symb' => 'Resource slot is restricted to.',
933: 'allowedsections' => 'Sections slot is restricted to.',
934: 'allowedusers' => 'Users slot is restricted to.',
935: 'uniqueperiod' => 'Period of time slot is unique',
936: 'scheduled' => 'Scheduled Students',
937: 'proctor' => 'List of proctors');
938: my @show_order=('name','description','type','starttime','endtime',
939: 'startreserve','secret','maxspace','ip','symb',
940: 'allowedsections','allowedusers','uniqueperiod',
941: 'scheduled','proctor');
942: my @show =
943: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
944: : keys(%show_fields);
945: my %show = map { $_ => 1 } (@show);
946:
947: #when filtering setup
948: my %when_fields=&Apache::lonlocal::texthash(
949: 'now' => 'Open now',
950: 'nextweek' => 'Open within the next week',
951: 'lastweek' => 'Were open last week',
952: 'willopen' => 'Will open later',
953: 'wereopen' => 'Were open',
954: 'any' => 'Anytime',
955: );
956: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
957: $when_fields{'select_form_order'} = \@when_order;
958: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
959: : 'now';
960:
961: #display of students setup
962: my %stu_display_fields=
963: &Apache::lonlocal::texthash('username' => 'User name',
964: 'fullname' => 'Full name',
965: );
966: my @stu_display_order=('fullname','username');
967: my @stu_display =
968: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
969: : keys(%stu_display_fields);
970: my %stu_display = map { $_ => 1 } (@stu_display);
971:
972: #name filtering setup
973: my %name_filter_type_fields=
974: &Apache::lonlocal::texthash('substring' => 'Substring',
975: 'exact' => 'Exact',
976: #'reg' => 'Regular Expression',
977: );
978: my @name_filter_type_order=('substring','exact');
979:
980: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
981: my $name_filter_type =
982: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
983: : 'substring';
984: my $name_filter = {'type' => $name_filter_type,
985: 'value' => $env{'form.name_filter_value'},};
986:
987:
988: #deleted slot filtering
989: #default to hide if no value
990: $env{'form.deleted'} ||= 'hide';
991: my $hide_radio =
992: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
993: my $show_radio =
994: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
995:
996: $r->print('<form method="post" action="/adm/slotrequest">
997: <input type="hidden" name="command" value="showslots" />');
998: $r->print('<div>');
999: $r->print('<table class="inline">
1000: <tr><th>'.&mt('Show').'</th>
1001: <th>'.&mt('Student Display').'</th>
1002: <th>'.&mt('Open').'</th>
1003: <th>'.&mt('Slot Name Filter').'</th>
1004: <th>'.&mt('Options').'</th>
1005: </tr>
1006: <tr><td>'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1007: '</td>
1008: <td>
1009: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1010: 6,\%stu_display_fields,
1011: \@stu_display_order).'
1012: </td>
1013: <td>'.&Apache::loncommon::select_form($when,'when',%when_fields).
1014: '</td>
1015: <td>'.&Apache::loncommon::select_form($name_filter_type,
1016: 'name_filter_type',
1017: %name_filter_type_fields).
1018: '<br />'.
1019: &Apache::lonhtmlcommon::textbox('name_filter_value',
1020: $env{'form.name_filter_value'},
1021: 15).
1022: '</td>
1023: <td>
1024: <table>
1025: <tr>
1026: <td rowspan="2">Deleted slots:</td>
1027: <td><label>'.$show_radio.'Show</label></td>
1028: </tr>
1029: <tr>
1030: <td><label>'.$hide_radio.'Hide</label></td>
1031: </tr>
1032: </table>
1033: </td>
1034: </tr>
1035: </table>');
1036: $r->print('</div>');
1037: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1038: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1039: $r->print(&Apache::loncommon::start_data_table().
1040: &Apache::loncommon::start_data_table_header_row().'
1041: <th></th>');
1042: foreach my $which (@show_order) {
1043: if ($which ne 'proctor' && exists($show{$which})) {
1044: $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1045: }
1046: }
1047: $r->print(&Apache::loncommon::end_data_table_header_row());
1048:
1049: my %name_cache;
1050: my $slotsort = sub {
1051: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|maxspace|ip|symb|allowedsections|allowedusers)$/) {
1052: if (lc($slots{$a}->{$env{'form.order'}})
1053: ne lc($slots{$b}->{$env{'form.order'}})) {
1054: return (lc($slots{$a}->{$env{'form.order'}})
1055: cmp lc($slots{$b}->{$env{'form.order'}}));
1056: }
1057: } elsif ($env{'form.order'} eq 'name') {
1058: if (lc($a) cmp lc($b)) {
1059: return lc($a) cmp lc($b);
1060: }
1061: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1062:
1063: if ($slots{$a}->{'uniqueperiod'}[0]
1064: ne $slots{$b}->{'uniqueperiod'}[0]) {
1065: return ($slots{$a}->{'uniqueperiod'}[0]
1066: cmp $slots{$b}->{'uniqueperiod'}[0]);
1067: }
1068: if ($slots{$a}->{'uniqueperiod'}[1]
1069: ne $slots{$b}->{'uniqueperiod'}[1]) {
1070: return ($slots{$a}->{'uniqueperiod'}[1]
1071: cmp $slots{$b}->{'uniqueperiod'}[1]);
1072: }
1073: }
1074: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1075: };
1076: foreach my $slot (sort $slotsort (keys(%slots))) {
1077: if (!&to_show($slot,$slots{$slot},$when,
1078: $env{'form.deleted'},$name_filter)) { next; }
1079: if (defined($slots{$slot}->{'type'})
1080: && $slots{$slot}->{'type'} ne 'schedulable_student') {
1081: #next;
1082: }
1083: my $description=&get_description($slot,$slots{$slot});
1084: my $ids;
1085: if (exists($show{'scheduled'})) {
1086: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
1087: "^$slot\0");
1088: my ($tmp)=%consumed;
1089: if ($tmp !~ /^error: /) {
1090: foreach my $entry (sort { $consumed{$a}{name} cmp
1091: $consumed{$b}{name} }
1092: (keys(%consumed))) {
1093: my (undef,$id)=split("\0",$entry);
1094: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1095: $ids.= '<nobr>';
1096: foreach my $item (@stu_display_order) {
1097: if ($stu_display{$item}) {
1098: if ($item eq 'fullname') {
1099: $ids.=$fullname->{"$uname:$udom"}.' ';
1100: } elsif ($item eq 'username') {
1101: $ids.="<tt>$uname:$udom</tt> ";
1102: }
1103: }
1104: }
1105: $ids.=&remove_link($slot,$entry,$uname,$udom,
1106: $consumed{$entry}{'symb'}).'</nobr><br />';
1107: }
1108: }
1109: }
1110:
1111: my $start=($slots{$slot}->{'starttime'}?
1112: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1113: my $end=($slots{$slot}->{'endtime'}?
1114: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1115: my $start_reserve=($slots{$slot}->{'startreserve'}?
1116: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1117:
1118: my $unique;
1119: if (ref($slots{$slot}{'uniqueperiod'})) {
1120: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1121: localtime($slots{$slot}{'uniqueperiod'}[1]);
1122: }
1123:
1124: my $title;
1125: if (exists($slots{$slot}{'symb'})) {
1126: my (undef,undef,$res)=
1127: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1128: $res = &Apache::lonnet::clutter($res);
1129: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1130: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1131: }
1132:
1133: my $allowedsections;
1134: if (exists($show{'allowedsections'})) {
1135: $allowedsections =
1136: join(', ',sort(split(/\s*,\s*/,
1137: $slots{$slot}->{'allowedsections'})));
1138: }
1139:
1140: my @allowedusers;
1141: if (exists($show{'allowedusers'})) {
1142: @allowedusers= map {
1143: my ($uname,$udom)=split(/:/,$_);
1144: my $fullname=$name_cache{$_};
1145: if (!defined($fullname)) {
1146: $fullname = &Apache::loncommon::plainname($uname,$udom);
1147: $fullname =~s/\s/ /g;
1148: $name_cache{$_} = $fullname;
1149: }
1150: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1151: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1152: }
1153: my $allowedusers=join(', ',@allowedusers);
1154:
1155: my @proctors;
1156: my $rowspan=1;
1157: my $colspan=1;
1158: if (exists($show{'proctor'})) {
1159: $rowspan=2;
1160: @proctors= map {
1161: my ($uname,$udom)=split(/:/,$_);
1162: my $fullname=$name_cache{$_};
1163: if (!defined($fullname)) {
1164: $fullname = &Apache::loncommon::plainname($uname,$udom);
1165: $fullname =~s/\s/ /g;
1166: $name_cache{$_} = $fullname;
1167: }
1168: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1169: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1170: }
1171: my $proctors=join(', ',@proctors);
1172:
1173: my $edit=(<<"EDITLINK");
1174: <a href="/adm/helper/newslot.helper?name=$slot">Edit</a>
1175: EDITLINK
1176:
1177: my $delete=(<<"DELETELINK");
1178: <a href="/adm/slotrequest?command=delete&slotname=$slot">Delete</a>
1179: DELETELINK
1180:
1181: my $remove_all=&remove_link($slot,'remove all').'<br />';
1182:
1183: if ($ids ne '') { undef($delete); }
1184: if ($slots{$slot}{'type'} ne 'schedulable_student'
1185: || $ids eq '') {
1186: undef($remove_all);
1187: }
1188:
1189: my $row_start=&Apache::loncommon::start_data_table_row();
1190: my $row_end=&Apache::loncommon::end_data_table_row();
1191: $r->print($row_start.
1192: "\n<td rowspan=\"$rowspan\">$edit $delete</td>\n");
1193: if (exists($show{'name'})) {
1194: $colspan++;$r->print("<td>$slot</td>");
1195: }
1196: if (exists($show{'description'})) {
1197: $colspan++;$r->print("<td>$description</td>\n");
1198: }
1199: if (exists($show{'type'})) {
1200: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1201: }
1202: if (exists($show{'starttime'})) {
1203: $colspan++;$r->print("<td>$start</td>\n");
1204: }
1205: if (exists($show{'endtime'})) {
1206: $colspan++;$r->print("<td>$end</td>\n");
1207: }
1208: if (exists($show{'startreserve'})) {
1209: $colspan++;$r->print("<td>$start_reserve</td>\n");
1210: }
1211: if (exists($show{'secret'})) {
1212: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1213: }
1214: if (exists($show{'maxspace'})) {
1215: $colspan++;$r->print("<td>$slots{$slot}{'maxspace'}</td>\n");
1216: }
1217: if (exists($show{'ip'})) {
1218: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1219: }
1220: if (exists($show{'symb'})) {
1221: $colspan++;$r->print("<td>$title</td>\n");
1222: }
1223: if (exists($show{'allowedsections'})) {
1224: $colspan++;$r->print("<td>$allowedsections</td>\n");
1225: }
1226: if (exists($show{'allowedusers'})) {
1227: $colspan++;$r->print("<td>$allowedusers</td>\n");
1228: }
1229: if (exists($show{'uniqueperiod'})) {
1230: $colspan++;$r->print("<td>$unique</td>\n");
1231: }
1232: if (exists($show{'scheduled'})) {
1233: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1234: }
1235: $r->print("$row_end\n");
1236: if (exists($show{'proctor'})) {
1237: $r->print(<<STUFF);
1238: $row_start
1239: <td colspan="$colspan">$proctors</td>
1240: $row_end
1241: STUFF
1242: }
1243: }
1244: $r->print('</table></form>');
1245: }
1246:
1247: sub upload_start {
1248: my ($r)=@_;
1249: $r->print(&Apache::grades::checkforfile_js());
1250: my $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
1251: $result.=' <b>'.
1252: &mt('Specify a file containing the slot definitions.').
1253: '</b></td></tr>'."\n";
1254: $result.='<tr bgcolor=#ffffe6><td>'."\n";
1255: my $upfile_select=&Apache::loncommon::upfile_select_html();
1256: my $ignore=&mt('Ignore First Line');
1257: $result.=<<ENDUPFORM;
1258: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
1259: <input type="hidden" name="command" value="csvuploadmap" />
1260: $upfile_select
1261: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Data" />
1262: <label><input type="checkbox" name="noFirstLine" />$ignore</label>
1263: </form>
1264: ENDUPFORM
1265: $result.='</td></tr></table>'."\n";
1266: $result.='</td></tr></table>'."\n";
1267: $r->print($result);
1268: }
1269:
1270: sub csvuploadmap_header {
1271: my ($r,$datatoken,$distotal)= @_;
1272: my $javascript;
1273: if ($env{'form.upfile_associate'} eq 'reverse') {
1274: $javascript=&csvupload_javascript_reverse_associate();
1275: } else {
1276: $javascript=&csvupload_javascript_forward_associate();
1277: }
1278:
1279: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
1280: my $ignore=&mt('Ignore First Line');
1281: $r->print(<<ENDPICK);
1282: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
1283: <h3>Identify fields</h3>
1284: Total number of records found in file: $distotal <hr />
1285: Enter as many fields as you can. The system will inform you and bring you back
1286: to this page if the data selected is insufficient to create the slots.<hr />
1287: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
1288: <label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
1289: <input type="hidden" name="associate" value="" />
1290: <input type="hidden" name="datatoken" value="$datatoken" />
1291: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
1292: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
1293: <input type="hidden" name="upfile_associate"
1294: value="$env{'form.upfile_associate'}" />
1295: <input type="hidden" name="command" value="csvuploadassign" />
1296: <hr />
1297: <script type="text/javascript" language="Javascript">
1298: $javascript
1299: </script>
1300: ENDPICK
1301: return '';
1302:
1303: }
1304:
1305: sub csvuploadmap_footer {
1306: my ($request,$i,$keyfields) =@_;
1307: $request->print(<<ENDPICK);
1308: </table>
1309: <input type="hidden" name="nfields" value="$i" />
1310: <input type="hidden" name="keyfields" value="$keyfields" />
1311: <input type="button" onClick="javascript:verify(this.form)" value="Create Slots" /><br />
1312: </form>
1313: ENDPICK
1314: }
1315:
1316: sub csvupload_javascript_reverse_associate {
1317: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
1318: return(<<ENDPICK);
1319: function verify(vf) {
1320: var foundstart=0;
1321: var foundend=0;
1322: var foundname=0;
1323: var foundtype=0;
1324: for (i=0;i<=vf.nfields.value;i++) {
1325: tw=eval('vf.f'+i+'.selectedIndex');
1326: if (i==0 && tw!=0) { foundname=1; }
1327: if (i==1 && tw!=0) { foundtype=1; }
1328: if (i==2 && tw!=0) { foundstat=1; }
1329: if (i==3 && tw!=0) { foundend=1; }
1330: }
1331: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
1332: alert('$error1');
1333: return;
1334: }
1335: vf.submit();
1336: }
1337: function flip(vf,tf) {
1338: }
1339: ENDPICK
1340: }
1341:
1342: sub csvupload_javascript_forward_associate {
1343: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
1344: return(<<ENDPICK);
1345: function verify(vf) {
1346: var foundstart=0;
1347: var foundend=0;
1348: var foundname=0;
1349: var foundtype=0;
1350: for (i=0;i<=vf.nfields.value;i++) {
1351: tw=eval('vf.f'+i+'.selectedIndex');
1352: if (tw==1) { foundname=1; }
1353: if (tw==2) { foundtype=1; }
1354: if (tw==3) { foundstat=1; }
1355: if (tw==4) { foundend=1; }
1356: }
1357: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
1358: alert('$error1');
1359: return;
1360: }
1361: vf.submit();
1362: }
1363: function flip(vf,tf) {
1364: }
1365: ENDPICK
1366: }
1367:
1368: sub csv_upload_map {
1369: my ($r)= @_;
1370:
1371: my $datatoken;
1372: if (!$env{'form.datatoken'}) {
1373: $datatoken=&Apache::loncommon::upfile_store($r);
1374: } else {
1375: $datatoken=$env{'form.datatoken'};
1376: &Apache::loncommon::load_tmp_file($r);
1377: }
1378: my @records=&Apache::loncommon::upfile_record_sep();
1379: if ($env{'form.noFirstLine'}) { shift(@records); }
1380: &csvuploadmap_header($r,$datatoken,$#records+1);
1381: my ($i,$keyfields);
1382: if (@records) {
1383: my @fields=&csvupload_fields();
1384:
1385: if ($env{'form.upfile_associate'} eq 'reverse') {
1386: &Apache::loncommon::csv_print_samples($r,\@records);
1387: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
1388: \@fields);
1389: foreach (@fields) { $keyfields.=$_->[0].','; }
1390: chop($keyfields);
1391: } else {
1392: unshift(@fields,['none','']);
1393: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
1394: \@fields);
1395: my %sone=&Apache::loncommon::record_sep($records[0]);
1396: $keyfields=join(',',sort(keys(%sone)));
1397: }
1398: }
1399: &csvuploadmap_footer($r,$i,$keyfields);
1400:
1401: return '';
1402: }
1403:
1404: sub csvupload_fields {
1405: return (['name','Slot name'],
1406: ['type','Type of slot'],
1407: ['starttime','Start Time of slot'],
1408: ['endtime','End Time of slot'],
1409: ['startreserve','Reservation Start Time'],
1410: ['ip','IP or DNS restriction'],
1411: ['proctor','List of proctor ids'],
1412: ['description','Slot Description'],
1413: ['maxspace','Maximum number of reservations'],
1414: ['symb','Resource Restriction'],
1415: ['uniqueperiod','Date range of slot exclusion'],
1416: ['secret','Secret word proctor uses to validate'],
1417: ['allowedsections','Sections slot is restricted to'],
1418: ['allowedusers','Users slot is restricted to'],
1419: );
1420: }
1421:
1422: sub csv_upload_assign {
1423: my ($r,$mgr)= @_;
1424: &Apache::loncommon::load_tmp_file($r);
1425: my @slotdata = &Apache::loncommon::upfile_record_sep();
1426: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
1427: my %fields=&Apache::grades::get_fields();
1428: $r->print('<h3>Creating Slots</h3>');
1429: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
1430: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1431: my $countdone=0;
1432: my @errors;
1433: foreach my $slot (@slotdata) {
1434: my %slot;
1435: my %entries=&Apache::loncommon::record_sep($slot);
1436: my $domain;
1437: my $name=$entries{$fields{'name'}};
1438: if ($name=~/^\s*$/) {
1439: push(@errors,"Did not create slot with no name");
1440: next;
1441: }
1442: if ($name=~/\s/) {
1443: push(@errors,"$name not created -- Name must not contain spaces");
1444: next;
1445: }
1446: if ($name=~/\W/) {
1447: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
1448: next;
1449: }
1450: if ($entries{$fields{'type'}}) {
1451: $slot{'type'}=$entries{$fields{'type'}};
1452: } else {
1453: $slot{'type'}='preassigned';
1454: }
1455: if ($slot{'type'} ne 'preassigned' &&
1456: $slot{'type'} ne 'schedulable_student') {
1457: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
1458: next;
1459: }
1460: if ($entries{$fields{'starttime'}}) {
1461: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
1462: }
1463: if ($entries{$fields{'endtime'}}) {
1464: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
1465: }
1466:
1467: # start/endtime must be defined and greater than zero
1468: if (!$slot{'starttime'}) {
1469: push(@errors,"$name not created -- Invalid start time");
1470: next;
1471: }
1472: if (!$slot{'endtime'}) {
1473: push(@errors,"$name not created -- Invalid end time");
1474: next;
1475: }
1476: if ($slot{'starttime'} > $slot{'endtime'}) {
1477: push(@errors,"$name not created -- Slot starts after it ends");
1478: next;
1479: }
1480:
1481: if ($entries{$fields{'startreserve'}}) {
1482: $slot{'startreserve'}=
1483: &UnixDate($entries{$fields{'startreserve'}},"%s");
1484: }
1485: if (defined($slot{'startreserve'})
1486: && $slot{'startreserve'} > $slot{'starttime'}) {
1487: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
1488: next;
1489: }
1490:
1491: foreach my $key ('ip','proctor','description','maxspace',
1492: 'secret','symb') {
1493: if ($entries{$fields{$key}}) {
1494: $slot{$key}=$entries{$fields{$key}};
1495: }
1496: }
1497:
1498: if ($entries{$fields{'uniqueperiod'}}) {
1499: my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
1500: my @times=(&UnixDate($start,"%s"),
1501: &UnixDate($end,"%s"));
1502: $slot{'uniqueperiod'}=\@times;
1503: }
1504: if (defined($slot{'uniqueperiod'})
1505: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
1506: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
1507: next;
1508: }
1509:
1510: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
1511: $r->print('.');
1512: $r->rflush();
1513: $countdone++;
1514: }
1515: $r->print("<p>Created $countdone slots\n</p>");
1516: foreach my $error (@errors) {
1517: $r->print("<p>$error\n</p>");
1518: }
1519: &show_table($r,$mgr);
1520: return '';
1521: }
1522:
1523: sub handler {
1524: my $r=shift;
1525:
1526: &Apache::loncommon::content_type($r,'text/html');
1527: &Apache::loncommon::no_cache($r);
1528: if ($r->header_only()) {
1529: $r->send_http_header();
1530: return OK;
1531: }
1532:
1533: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
1534:
1535: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
1536: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
1537: my $title='Requesting Another Worktime';
1538: if ($env{'form.command'} =~ /^(showslots|uploadstart|csvuploadmap|csvuploadassign)$/ && $vgr eq 'F') {
1539: $title = 'Managing Slots';
1540: }
1541: &start_page($r,$title);
1542:
1543: if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
1544: &show_table($r,$mgr);
1545: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
1546: &remove_registration($r);
1547: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
1548: if ($env{'form.entry'} eq 'remove all') {
1549: &release_all_slot($r,$mgr);
1550: } else {
1551: &release_slot($r,undef,undef,undef,$mgr);
1552: }
1553: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
1554: &delete_slot($r);
1555: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
1556: &upload_start($r);
1557: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
1558: &csv_upload_map($r);
1559: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
1560: if ($env{'form.associate'} ne 'Reverse Association') {
1561: &csv_upload_assign($r,$mgr);
1562: } else {
1563: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
1564: $env{'form.upfile_associate'} = 'reverse';
1565: } else {
1566: $env{'form.upfile_associate'} = 'forward';
1567: }
1568: &csv_upload_map($r);
1569: }
1570: } else {
1571: my $symb=&unescape($env{'form.symb'});
1572: if (!defined($symb)) {
1573: &fail($r,'not_valid');
1574: return OK;
1575: }
1576: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
1577: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
1578: if ($useslots ne 'resource'
1579: && $useslots ne 'map'
1580: && $useslots ne 'map_map') {
1581: &fail($r,'not_available');
1582: return OK;
1583: }
1584: $env{'request.symb'}=$symb;
1585: my $type = ($res =~ /\.task$/) ? 'Task'
1586: : 'problem';
1587: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
1588: if ($status eq 'CAN_ANSWER' ||
1589: $status eq 'NEEDS_CHECKIN' ||
1590: $status eq 'WAITING_FOR_GRADE') {
1591: &fail($r,'not_allowed');
1592: return OK;
1593: }
1594: if ($env{'form.requestattempt'}) {
1595: &show_choices($r,$symb);
1596: } elsif ($env{'form.command'} eq 'release') {
1597: &release_slot($r,$symb);
1598: } elsif ($env{'form.command'} eq 'get') {
1599: &get_slot($r,$symb);
1600: } elsif ($env{'form.command'} eq 'change') {
1601: if (&release_slot($r,$symb,$env{'form.releaseslot'},1)) {
1602: &get_slot($r,$symb);
1603: }
1604: } else {
1605: $r->print("<p>Unknown command: ".$env{'form.command'}."</p>");
1606: }
1607: }
1608: &end_page($r);
1609: return OK;
1610: }
1611:
1612: 1;
1613: __END__
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