1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.66 2006/06/20 03:32:40 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: "^$slot_name\0");
93: if (&network_error(%consumed)) {
94: return 'error: Unable to determine current status';
95: }
96: my ($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, $cnum);
129:
130: if (&network_error($student) || &network_error($course) ||
131: &network_error(%slots)) {
132: return 'error: Unable to determine current status';
133: }
134: my @got;
135: foreach my $slot_name (sort {
136: if (ref($slots{$a}) && ref($slots{$b})) {
137: return $slots{$a}{'starttime'} <=> $slots{$b}{'starttime'}
138: }
139: if (ref($slots{$a})) { return -1;}
140: if (ref($slots{$b})) { return 1;}
141: return 0;
142: } @slots) {
143: next if (!defined($slots{$slot_name}) ||
144: !ref($slots{$slot_name}));
145: &Apache::lonxml::debug(time." $slot_name ".
146: $slots{$slot_name}->{'starttime'}." -- ".
147: $slots{$slot_name}->{'startreserve'});
148: if ($slots{$slot_name}->{'endtime'} > time &&
149: $slots{$slot_name}->{'startreserve'} < time) {
150: # between start of reservation times and end of slot
151: if ($mode eq 'allslots') {
152: push(@got,$slot_name);
153: } else {
154: return($slot_name, $slots{$slot_name});
155: }
156: }
157: }
158: if ($mode eq 'allslots' && @got) {
159: return @got;
160: }
161: return (undef,undef);
162: }
163:
164: sub get_consumed_uniqueperiods {
165: my ($slots) = @_;
166: my $navmap=Apache::lonnavmaps::navmap->new;
167: my @problems = $navmap->retrieveResources(undef,
168: sub { $_[0]->is_problem() },1,0);
169: my %used_slots;
170: foreach my $problem (@problems) {
171: my $symb = $problem->symb();
172: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
173: $symb, $env{'user.domain'},
174: $env{'user.name'});
175: my $course = &Apache::lonnet::EXT("resource.0.available",
176: $symb, $env{'user.domain'},
177: $env{'user.name'});
178: if (&network_error($student) || &network_error($course)) {
179: return 'error: Unable to determine current status';
180: }
181: foreach my $slot (split(/:/,$student), split(/:/, $course)) {
182: $used_slots{$slot}=1;
183: }
184: }
185:
186: if (!ref($slots)) {
187: my ($cnum,$cdom)=&get_course();
188: my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
189: if (&network_error(%slots)) {
190: return 'error: Unable to determine current status';
191: }
192: $slots = \%slots;
193: }
194:
195: my %consumed_uniqueperiods;
196: foreach my $slot_name (keys(%used_slots)) {
197: next if (!defined($slots->{$slot_name}) ||
198: !ref($slots->{$slot_name}));
199:
200: next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
201: !ref($slots->{$slot_name}{'uniqueperiod'}));
202: $consumed_uniqueperiods{$slot_name} =
203: $slots->{$slot_name}{'uniqueperiod'};
204: }
205: return \%consumed_uniqueperiods;
206: }
207:
208: sub check_for_conflict {
209: my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
210:
211: if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
212:
213: if (!ref($consumed_uniqueperiods)) {
214: $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
215: if (&network_error(%$consumed_uniqueperiods)) {
216: return 'error: Unable to determine current status';
217: }
218: }
219:
220: my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
221: foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
222: my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
223: if (!
224: ($start < $new_uniq_start && $end < $new_uniq_start) ||
225: ($start > $new_uniq_end && $end > $new_uniq_end )) {
226: return $slot_name;
227: }
228: }
229: return undef;
230:
231: }
232:
233: sub network_error {
234: my ($result) = @_;
235: if ($result =~ /^(con_lost|no_such_host|error: [^2])/) {
236: return 1;
237: }
238: return 0;
239: }
240:
241: sub make_reservation {
242: my ($slot_name,$slot,$symb)=@_;
243:
244: my ($cnum,$cdom)=&get_course();
245:
246: my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
247: $env{'user.domain'},$env{'user.name'});
248: &Apache::lonxml::debug("value is $value<br />");
249:
250: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots");
251: &Apache::lonxml::debug("use_slots is $use_slots<br />");
252:
253: if (&network_error($value) || &network_error($use_slots)) {
254: return 'error: Unable to determine current status';
255: }
256:
257: my $parm_symb = $symb;
258: my $parm_level = 1;
259: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
260: my ($map) = &Apache::lonnet::decode_symb($symb);
261: $parm_symb = &Apache::lonnet::symbread($map);
262: $parm_level = 2;
263: }
264:
265: foreach my $other_slot (split(/:/, $value)) {
266: if ($other_slot eq $slot_name) {
267: my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
268: $cnum, "^$slot_name\0");
269: if (&network_error($value)) {
270: return 'error: Unable to determine current status';
271: }
272: my $me=$env{'user.name'}.':'.$env{'user.domain'};
273: foreach my $key (keys(%consumed)) {
274: if ($consumed{$key}->{'name'} eq $me) {
275: my $num=(split('\0',$key))[1];
276: return -$num;
277: }
278: }
279: }
280: }
281:
282: my $max=$slot->{'maxspace'};
283: if (!defined($max)) { $max=99999; }
284:
285: my (@ids)=&get_reservation_ids($slot_name);
286: if (&network_error(@ids)) {
287: return 'error: Unable to determine current status';
288: }
289: my $last=0;
290: foreach my $id (@ids) {
291: my $num=(split('\0',$id))[1];
292: if ($num > $last) { $last=$num; }
293: }
294:
295: my $wanted=$last+1;
296: &Apache::lonxml::debug("wanted $wanted<br />");
297: if (scalar(@ids) >= $max) {
298: # full up
299: return undef;
300: }
301:
302: my %reservation=('name' => $env{'user.name'}.':'.$env{'user.domain'},
303: 'timestamp' => time,
304: 'symb' => $parm_symb);
305:
306: my $success=&Apache::lonnet::newput('slot_reservations',
307: {"$slot_name\0$wanted" =>
308: \%reservation},
309: $cdom, $cnum);
310:
311: if ($success eq 'ok') {
312: my $new_value=$slot_name;
313: if ($value) {
314: $new_value=$value.':'.$new_value;
315: }
316: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
317: '0_availablestudent',
318: $parm_level, $new_value,
319: 'string',
320: $env{'user.name'},
321: $env{'user.domain'});
322: &Apache::lonxml::debug("hrrm $result");
323: return $wanted;
324: }
325:
326: # someone else got it
327: return undef;
328: }
329:
330: sub remove_registration {
331: my ($r) = @_;
332: if ($env{'form.entry'} ne 'remove all') {
333: return &remove_registration_user($r);
334: }
335: my $slot_name = $env{'form.slotname'};
336: my %slot=&Apache::lonnet::get_slot($slot_name);
337:
338: my ($cnum,$cdom)=&get_course();
339: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
340: "^$slot_name\0");
341: if (&network_error(%consumed)) {
342: $r->print("<p>".&mt('A network error has occured.').'</p>');
343: return;
344: }
345: if (!%consumed) {
346: $r->print("<p>".&mt('Slot <tt>[_1]</tt> has no reservations.',
347: $slot_name)."</p>");
348: return;
349: }
350:
351: my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
352: my $names = join(' ',@names);
353:
354: my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
355: &remove_registration_confirmation($r,$msg,['entry','slotname']);
356: }
357:
358: sub remove_registration_user {
359: my ($r) = @_;
360:
361: my $slot_name = $env{'form.slotname'};
362:
363: my $name = &Apache::loncommon::plainname($env{'form.uname'},
364: $env{'form.udom'});
365:
366: my $title = &Apache::lonnet::gettitle($env{'form.symb'});
367:
368: my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
369: $name,$slot_name,$title);
370:
371: &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
372: 'entry','symb']);
373: }
374:
375: sub remove_registration_confirmation {
376: my ($r,$msg,$inputs) =@_;
377:
378: my $hidden_input;
379: foreach my $parm (@{$inputs}) {
380: $hidden_input .=
381: '<input type="hidden" name="'.$parm.'" value="'
382: .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
383: }
384: my %lt = &Apache::lonlocal::texthash('yes' => 'Yes',
385: 'no' => 'No',);
386: $r->print(<<"END_CONFIRM");
387: <p> $msg </p>
388: <form action="/adm/slotrequest" method="post">
389: <input type="hidden" name="command" value="release" />
390: <input type="hidden" name="button" value="yes" />
391: $hidden_input
392: <input type="submit" value="$lt{'yes'}" />
393: </form>
394: <form action="/adm/slotrequest" method="post">
395: <input type="hidden" name="command" value="showslots" />
396: <input type="submit" value="$lt{'no'}" />
397: </form>
398: END_CONFIRM
399:
400: }
401:
402: sub release_all_slot {
403: my ($r,$mgr)=@_;
404:
405: my $slot_name = $env{'form.slotname'};
406:
407: my ($cnum,$cdom)=&get_course();
408:
409: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
410: "^$slot_name\0");
411:
412: $r->print('<p>'.&mt('Releasing reservations').'</p>');
413:
414: foreach my $entry (sort { $consumed{$a}{'name'} cmp
415: $consumed{$b}{'name'} } (keys(%consumed))) {
416: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
417: my ($result,$msg) =
418: &release_reservation($slot_name,$uname,$udom,
419: $consumed{$entry}{'symb'},$mgr);
420: $r->print("<p>$msg</p>");
421: $r->rflush();
422: }
423: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
424: &mt('Return to slot list').'</a></p>');
425: &return_link($r);
426: }
427:
428: sub release_slot {
429: my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
430:
431: if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
432:
433: my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
434: if ($mgr eq 'F'
435: && defined($env{'form.uname'}) && defined($env{'form.udom'})) {
436: ($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
437: }
438:
439: if ($mgr eq 'F'
440: && defined($env{'form.symb'})) {
441: $symb = $env{'form.symb'};
442: }
443:
444: my ($result,$msg) =
445: &release_reservation($slot_name,$uname,$udom,$symb,$mgr);
446: $r->print("<p>$msg</p>");
447:
448: if ($mgr eq 'F') {
449: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
450: &mt('Return to slot list').'</a></p>');
451: }
452:
453: if (!$inhibit_return_link) { &return_link($r); }
454: return $result;
455: }
456:
457: sub release_reservation {
458: my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
459: my %slot=&Apache::lonnet::get_slot($slot_name);
460: my $description=&get_description($slot_name,\%slot);
461:
462: if ($mgr ne 'F') {
463: if ($slot{'starttime'} < time) {
464: return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description));
465: }
466: }
467: # get parameter string, check for existance, rebuild string with the slot
468: my @slots = split(/:/,&Apache::lonnet::EXT("resource.0.availablestudent",
469: $symb,$udom,$uname));
470:
471: my @new_slots;
472: foreach my $exist_slot (@slots) {
473: if ($exist_slot eq $slot_name) { next; }
474: push(@new_slots,$exist_slot);
475: }
476: my $new_param = join(':',@new_slots);
477:
478: my ($cnum,$cdom)=&get_course();
479:
480: # get slot reservations, check if user has one, if so remove reservation
481: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
482: "^$slot_name\0");
483: foreach my $entry (keys(%consumed)) {
484: if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
485: &Apache::lonnet::del('slot_reservations',[$entry],
486: $cdom,$cnum);
487: }
488: }
489:
490: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots");
491: &Apache::lonxml::debug("use_slots is $use_slots<br />");
492:
493: if (&network_error($use_slots)) {
494: return (0,'error: Unable to determine current status');
495: }
496:
497: my $parm_level = 1;
498: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
499: $parm_level = 2;
500: }
501: # store new parameter string
502: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
503: '0_availablestudent',
504: $parm_level, $new_param,
505: 'string', $uname, $udom);
506:
507: my $msg;
508: if ($mgr eq 'F') {
509: $msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
510: } else {
511: $msg = &mt('Released Reservation: [_1]',$description);
512: }
513: return (1,$msg);
514: }
515:
516: sub delete_slot {
517: my ($r)=@_;
518:
519: my $slot_name = $env{'form.slotname'};
520: my %slot=&Apache::lonnet::get_slot($slot_name);
521:
522: my ($cnum,$cdom)=&get_course();
523: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
524: "^$slot_name\0");
525: my ($tmp) = %consumed;
526: if ($tmp =~ /error: 2/) { undef(%consumed); }
527:
528: if (%slot && !%consumed) {
529: $slot{'type'} = 'deleted';
530: my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
531: $cdom, $cnum);
532: if ($ret eq 'ok') {
533: $r->print("<p>Slot <tt>$slot_name</tt> marked as deleted.</p>");
534: } else {
535: $r->print("<p> An error ($ret) occurse when attempting to delete Slot <tt>$slot_name</tt>.</p>");
536: }
537: } else {
538: if (%consumed) {
539: $r->print("<p>Slot <tt>$slot_name</tt> has active reservations.</p>");
540: } else {
541: $r->print("<p>Slot <tt>$slot_name</tt> does not exist.</p>");
542: }
543: }
544: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
545: &mt('Return to slot list').'</a></p>');
546: &return_link($r);
547: }
548:
549: sub return_link {
550: my ($r) = @_;
551: $r->print('<p><a href="/adm/flip?postdata=return:">'.
552: &mt('Return to last resource').'</a></p>');
553: }
554:
555: sub get_slot {
556: my ($r,$symb)=@_;
557:
558: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
559: my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
560:
561: if ($slot_name =~ /^error: (.*)/) {
562: $r->print("<p>An error occured while attempting to make a reservation. ($1)</p>");
563: &return_link($r);
564: return;
565: }
566: if ($slot_name) {
567: my %slot=&Apache::lonnet::get_slot($slot_name);
568: my $description1=&get_description($slot_name,\%slot);
569: %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
570: my $description2=&get_description($env{'form.slotname'},\%slot);
571: $r->print("<p>Already have a reservation: $description1</p>");
572: if ($slot_name ne $env{'form.slotname'}) {
573: $r->print(<<STUFF);
574: <form method="post" action="/adm/slotrequest">
575: <input type="hidden" name="symb" value="$env{'form.symb'}" />
576: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
577: <input type="hidden" name="releaseslot" value="$slot_name" />
578: <input type="hidden" name="command" value="change" />
579: STUFF
580: $r->print("<p>You can either ");
581: $r->print(<<STUFF);
582: <input type="submit" name="change" value="Change" />
583: STUFF
584: $r->print(' your reservation from <b>'.$description1.'</b> to <b>'.
585: $description2.
586: '</b> <br />or </p>');
587: &return_link($r);
588: $r->print(<<STUFF);
589: </form>
590: STUFF
591: } else {
592: &return_link($r);
593: }
594: return;
595: }
596:
597: my $reserved=&make_reservation($env{'form.slotname'},
598: \%slot,$symb);
599: my $description=&get_description($env{'form.slotname'},\%slot);
600: if (defined($reserved)) {
601: if ($slot_name =~ /^error: (.*)/) {
602: $r->print("<p>An error occured while attempting to make a reservation. ($1)</p>");
603: } elsif ($reserved > -1) {
604: $r->print("<p>Success: $description</p>");
605: } elsif ($reserved < 0) {
606: $r->print("<p>Already reserved: $description</p>");
607: }
608: &return_link($r);
609: return;
610: }
611:
612: my %lt=('request'=>"Availibility list",
613: 'try' =>'Try again');
614: %lt=&Apache::lonlocal::texthash(%lt);
615:
616: $r->print(<<STUFF);
617: <p> <font color="red">Failed</font> to reserve a spot for $description. </p>
618: <p>
619: <form method="post" action="/adm/slotrequest">
620: <input type="submit" name="Try Again" value="$lt{'try'}" />
621: <input type="hidden" name="symb" value="$env{'form.symb'}" />
622: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
623: <input type="hidden" name="command" value="get" />
624: </form>
625: ?
626: </p>
627: <p>
628: or
629: <form method="post" action="/adm/slotrequest">
630: <input type="hidden" name="symb" value="$env{'form.symb'}" />
631: <input type="submit" name="requestattempt" value="$lt{'request'}" />
632: </form>
633: </p>
634: or
635: STUFF
636:
637: &return_link($r);
638: return;
639: }
640:
641: sub allowed_slot {
642: my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods)=@_;
643:
644: #already started
645: if ($slot->{'starttime'} < time) {
646: # all open slot to be schedulable
647: #return 0;
648: }
649: &Apache::lonxml::debug("$slot_name starttime good");
650:
651: #already ended
652: if ($slot->{'endtime'} < time) {
653: return 0;
654: }
655: &Apache::lonxml::debug("$slot_name endtime good");
656:
657: # not allowed to pick this one
658: if (defined($slot->{'type'})
659: && $slot->{'type'} ne 'schedulable_student') {
660: return 0;
661: }
662: &Apache::lonxml::debug("$slot_name type good");
663:
664: # reserve time not yet started
665: if ($slot->{'startreserve'} > time) {
666: return 0;
667: }
668: &Apache::lonxml::debug("$slot_name reserve good");
669:
670: my $userallowed=0;
671: # its for a different set of users
672: if (defined($slot->{'allowedsections'})) {
673: if (!defined($env{'request.role.sec'})
674: && grep(/^No section assigned$/,
675: split(',',$slot->{'allowedsections'}))) {
676: $userallowed=1;
677: }
678: if (defined($env{'request.role.sec'})
679: && grep(/^\Q$env{'request.role.sec'}\E$/,
680: split(',',$slot->{'allowedsections'}))) {
681: $userallowed=1;
682: }
683: }
684: &Apache::lonxml::debug("$slot_name sections is $userallowed");
685:
686: # its for a different set of users
687: if (defined($slot->{'allowedusers'})
688: && grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
689: split(',',$slot->{'allowedusers'}))) {
690: $userallowed=1;
691: }
692:
693: if (!defined($slot->{'allowedusers'})
694: && !defined($slot->{'allowedsections'})) {
695: $userallowed=1;
696: }
697:
698: &Apache::lonxml::debug("$slot_name user is $userallowed");
699: return 0 if (!$userallowed);
700:
701: # not allowed for this resource
702: if (defined($slot->{'symb'})
703: && $slot->{'symb'} ne $symb) {
704: return 0;
705: }
706:
707: my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
708: $consumed_uniqueperiods);
709: if ($conflict) {
710: if ($slots->{$conflict}{'starttime'} < time) {
711: return 0;
712: }
713: }
714: &Apache::lonxml::debug("$slot_name symb good");
715: return 1;
716: }
717:
718: sub get_description {
719: my ($slot_name,$slot)=@_;
720: my $description=$slot->{'description'};
721: if (!defined($description)) {
722: $description=&mt('[_1] From [_2] to [_3]',$slot_name,
723: &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
724: &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
725: }
726: return $description;
727: }
728:
729: sub show_choices {
730: my ($r,$symb)=@_;
731:
732: my ($cnum,$cdom)=&get_course();
733: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
734: my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
735: my $available;
736: $r->print('<table border="1">');
737: &Apache::lonxml::debug("Checking Slots");
738: my @got_slots=&check_for_reservation($symb,'allslots');
739: foreach my $slot (sort
740: { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
741: (keys(%slots))) {
742:
743: &Apache::lonxml::debug("Checking Slot $slot");
744: next if (!&allowed_slot($slot,$slots{$slot},undef,\%slots,
745: $consumed_uniqueperiods));
746:
747: $available++;
748:
749: my $description=&get_description($slot,$slots{$slot});
750:
751: my $form=&mt('Unavailable');
752: if ((grep(/^\Q$slot\E$/,@got_slots)) ||
753: &space_available($slot,$slots{$slot},$symb)) {
754: my $text=&mt('Select');
755: my $command='get';
756: if (grep(/^\Q$slot\E$/,@got_slots)) {
757: $text=&mt('Free Reservation');
758: $command='release';
759: } else {
760: my $conflict = &check_for_conflict($symb,$slot,$slots{$slot},
761: \%slots,
762: $consumed_uniqueperiods);
763: if ($conflict) {
764: $text=&mt('Change Reservation');
765: $command='get';
766: }
767: }
768: my $escsymb=&escape($symb);
769: $form=<<STUFF;
770: <form method="post" action="/adm/slotrequest">
771: <input type="submit" name="Select" value="$text" />
772: <input type="hidden" name="symb" value="$escsymb" />
773: <input type="hidden" name="slotname" value="$slot" />
774: <input type="hidden" name="command" value="$command" />
775: </form>
776: STUFF
777: }
778: $r->print(<<STUFF);
779: <tr>
780: <td>$form</td>
781: <td>$description</td>
782: </tr>
783: STUFF
784: }
785:
786: if (!$available) {
787: $r->print('<tr><td>No available times. <a href="/adm/flip?postdata=return:">'.
788: &mt('Return to last resource').'</a></td></tr>');
789: }
790: $r->print('</table>');
791: }
792:
793: sub to_show {
794: my ($slotname,$slot,$when,$deleted,$name) = @_;
795: my $time=time;
796: my $week=60*60*24*7;
797:
798: if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
799: return 0;
800: }
801:
802: if ($name && $name->{'value'} =~ /\w/) {
803: if ($name->{'type'} eq 'substring') {
804: if ($slotname !~ /\Q$name->{'value'}\E/) {
805: return 0;
806: }
807: }
808: if ($name->{'type'} eq 'exact') {
809: if ($slotname eq $name->{'value'}) {
810: return 0;
811: }
812: }
813: }
814:
815: if ($when eq 'any') {
816: return 1;
817: } elsif ($when eq 'now') {
818: if ($time > $slot->{'starttime'} &&
819: $time < $slot->{'endtime'}) {
820: return 1;
821: }
822: return 0;
823: } elsif ($when eq 'nextweek') {
824: if ( ($time < $slot->{'starttime'} &&
825: ($time+$week) > $slot->{'starttime'})
826: ||
827: ($time < $slot->{'endtime'} &&
828: ($time+$week) > $slot->{'endtime'}) ) {
829: return 1;
830: }
831: return 0;
832: } elsif ($when eq 'lastweek') {
833: if ( ($time > $slot->{'starttime'} &&
834: ($time-$week) < $slot->{'starttime'})
835: ||
836: ($time > $slot->{'endtime'} &&
837: ($time-$week) < $slot->{'endtime'}) ) {
838: return 1;
839: }
840: return 0;
841: } elsif ($when eq 'willopen') {
842: if ($time < $slot->{'starttime'}) {
843: return 1;
844: }
845: return 0;
846: } elsif ($when eq 'wereopen') {
847: if ($time > $slot->{'endtime'}) {
848: return 1;
849: }
850: return 0;
851: }
852:
853: return 1;
854: }
855:
856: sub remove_link {
857: my ($slotname,$entry,$uname,$udom,$symb) = @_;
858:
859: my $remove = &mt('Remove');
860:
861: if ($entry eq 'remove all') {
862: $remove = &mt('Remove All');
863: undef($uname);
864: undef($udom);
865: }
866:
867: $slotname = &escape($slotname);
868: $entry = &escape($entry);
869: $uname = &escape($uname);
870: $udom = &escape($udom);
871: $symb = &escape($symb);
872:
873: return <<"END_LINK";
874: <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb"
875: >($remove)</a>
876: END_LINK
877:
878: }
879:
880: sub show_table {
881: my ($r,$mgr)=@_;
882:
883: my ($cnum,$cdom)=&get_course();
884: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
885: if ( (keys(%slots))[0] =~ /^error: 2 /) {
886: undef(%slots);
887: }
888: my $available;
889: if ($mgr eq 'F') {
890: $r->print('<div>');
891: $r->print('<form method="post" action="/adm/slotrequest">
892: <input type="hidden" name="command" value="uploadstart" />
893: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
894: </form>');
895: $r->print('<form method="post" action="/adm/helper/newslot.helper">
896: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
897: </form>');
898: $r->print('</div>');
899: }
900:
901: my %Saveable_Parameters = ('show' => 'array',
902: 'when' => 'scalar',
903: 'order' => 'scalar',
904: 'deleted' => 'scalar',
905: 'name_filter_type' => 'scalar',
906: 'name_filter_value' => 'scalar',
907: );
908: &Apache::loncommon::store_course_settings('slotrequest',
909: \%Saveable_Parameters);
910: &Apache::loncommon::restore_course_settings('slotrequest',
911: \%Saveable_Parameters);
912: &Apache::grades::init_perm();
913: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
914: &Apache::grades::reset_perm();
915:
916: # what to display filtering
917: my %show_fields=&Apache::lonlocal::texthash(
918: 'name' => 'Slot Name',
919: 'description' => 'Description',
920: 'type' => 'Type',
921: 'starttime' => 'Start time',
922: 'endtime' => 'End Time',
923: 'startreserve' => 'Time students can start reserving',
924: 'secret' => 'Secret Word',
925: 'maxspace' => 'Maximum # of students',
926: 'ip' => 'IP or DNS restrictions',
927: 'symb' => 'Resource slot is restricted to.',
928: 'allowedsections' => 'Sections slot is restricted to.',
929: 'allowedusers' => 'Users slot is restricted to.',
930: 'uniqueperiod' => 'Period of time slot is unique',
931: 'scheduled' => 'Scheduled Students',
932: 'proctor' => 'List of proctors');
933: my @show_order=('name','description','type','starttime','endtime',
934: 'startreserve','secret','maxspace','ip','symb',
935: 'allowedsections','allowedusers','uniqueperiod',
936: 'scheduled','proctor');
937: my @show =
938: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
939: : keys(%show_fields);
940: my %show = map { $_ => 1 } (@show);
941:
942: #when filtering setup
943: my %when_fields=&Apache::lonlocal::texthash(
944: 'now' => 'Open now',
945: 'nextweek' => 'Open within the next week',
946: 'lastweek' => 'Were open last week',
947: 'willopen' => 'Will open later',
948: 'wereopen' => 'Were open',
949: 'any' => 'Anytime',
950: );
951: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
952: $when_fields{'select_form_order'} = \@when_order;
953: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
954: : 'now';
955:
956: #display of students setup
957: my %stu_display_fields=
958: &Apache::lonlocal::texthash('username' => 'User name',
959: 'fullname' => 'Full name',
960: );
961: my @stu_display_order=('fullname','username');
962: my @stu_display =
963: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
964: : keys(%stu_display_fields);
965: my %stu_display = map { $_ => 1 } (@stu_display);
966:
967: #name filtering setup
968: my %name_filter_type_fields=
969: &Apache::lonlocal::texthash('substring' => 'Substring',
970: 'exact' => 'Exact',
971: #'reg' => 'Regular Expression',
972: );
973: my @name_filter_type_order=('substring','exact');
974:
975: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
976: my $name_filter_type =
977: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
978: : 'substring';
979: my $name_filter = {'type' => $name_filter_type,
980: 'value' => $env{'form.name_filter_value'},};
981:
982:
983: #deleted slot filtering
984: #default to hide if no value
985: $env{'form.deleted'} ||= 'hide';
986: my $hide_radio =
987: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
988: my $show_radio =
989: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
990:
991: $r->print('<form method="post" action="/adm/slotrequest">
992: <input type="hidden" name="command" value="showslots" />');
993: $r->print('<div>');
994: $r->print('<table class="inline">
995: <tr><th>'.&mt('Show').'</th>
996: <th>'.&mt('Student Display').'</th>
997: <th>'.&mt('Open').'</th>
998: <th>'.&mt('Slot Name Filter').'</th>
999: <th>'.&mt('Options').'</th>
1000: </tr>
1001: <tr><td>'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1002: '</td>
1003: <td>
1004: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1005: 6,\%stu_display_fields,
1006: \@stu_display_order).'
1007: </td>
1008: <td>'.&Apache::loncommon::select_form($when,'when',%when_fields).
1009: '</td>
1010: <td>'.&Apache::loncommon::select_form($name_filter_type,
1011: 'name_filter_type',
1012: %name_filter_type_fields).
1013: '<br />'.
1014: &Apache::lonhtmlcommon::textbox('name_filter_value',
1015: $env{'form.name_filter_value'},
1016: 15).
1017: '</td>
1018: <td>
1019: <table>
1020: <tr>
1021: <td rowspan="2">Deleted slots:</td>
1022: <td><label>'.$show_radio.'Show</label></td>
1023: </tr>
1024: <tr>
1025: <td><label>'.$hide_radio.'Hide</label></td>
1026: </tr>
1027: </table>
1028: </td>
1029: </tr>
1030: </table>');
1031: $r->print('</div>');
1032: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1033: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1034: $r->print(&Apache::loncommon::start_data_table().
1035: &Apache::loncommon::start_data_table_header_row().'
1036: <th></th>');
1037: foreach my $which (@show_order) {
1038: if ($which ne 'proctor' && exists($show{$which})) {
1039: $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1040: }
1041: }
1042: $r->print(&Apache::loncommon::end_data_table_header_row());
1043:
1044: my %name_cache;
1045: my $slotsort = sub {
1046: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|maxspace|ip|symb|allowedsections|allowedusers)$/) {
1047: if (lc($slots{$a}->{$env{'form.order'}})
1048: ne lc($slots{$b}->{$env{'form.order'}})) {
1049: return (lc($slots{$a}->{$env{'form.order'}})
1050: cmp lc($slots{$b}->{$env{'form.order'}}));
1051: }
1052: } elsif ($env{'form.order'} eq 'name') {
1053: if (lc($a) cmp lc($b)) {
1054: return lc($a) cmp lc($b);
1055: }
1056: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1057:
1058: if ($slots{$a}->{'uniqueperiod'}[0]
1059: ne $slots{$b}->{'uniqueperiod'}[0]) {
1060: return ($slots{$a}->{'uniqueperiod'}[0]
1061: cmp $slots{$b}->{'uniqueperiod'}[0]);
1062: }
1063: if ($slots{$a}->{'uniqueperiod'}[1]
1064: ne $slots{$b}->{'uniqueperiod'}[1]) {
1065: return ($slots{$a}->{'uniqueperiod'}[1]
1066: cmp $slots{$b}->{'uniqueperiod'}[1]);
1067: }
1068: }
1069: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1070: };
1071: foreach my $slot (sort $slotsort (keys(%slots))) {
1072: if (!&to_show($slot,$slots{$slot},$when,
1073: $env{'form.deleted'},$name_filter)) { next; }
1074: if (defined($slots{$slot}->{'type'})
1075: && $slots{$slot}->{'type'} ne 'schedulable_student') {
1076: #next;
1077: }
1078: my $description=&get_description($slot,$slots{$slot});
1079: my $ids;
1080: if (exists($show{'scheduled'})) {
1081: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
1082: "^$slot\0");
1083: my ($tmp)=%consumed;
1084: if ($tmp !~ /^error: /) {
1085: foreach my $entry (sort { $consumed{$a}{name} cmp
1086: $consumed{$b}{name} }
1087: (keys(%consumed))) {
1088: my (undef,$id)=split("\0",$entry);
1089: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1090: $ids.= '<nobr>';
1091: foreach my $item (@stu_display_order) {
1092: if ($stu_display{$item}) {
1093: if ($item eq 'fullname') {
1094: $ids.=$fullname->{"$uname:$udom"}.' ';
1095: } elsif ($item eq 'username') {
1096: $ids.="<tt>$uname:$udom</tt> ";
1097: }
1098: }
1099: }
1100: $ids.=&remove_link($slot,$entry,$uname,$udom,
1101: $consumed{$entry}{'symb'}).'</nobr><br />';
1102: }
1103: }
1104: }
1105:
1106: my $start=($slots{$slot}->{'starttime'}?
1107: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1108: my $end=($slots{$slot}->{'endtime'}?
1109: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1110: my $start_reserve=($slots{$slot}->{'startreserve'}?
1111: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1112:
1113: my $unique;
1114: if (ref($slots{$slot}{'uniqueperiod'})) {
1115: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1116: localtime($slots{$slot}{'uniqueperiod'}[1]);
1117: }
1118:
1119: my $title;
1120: if (exists($slots{$slot}{'symb'})) {
1121: my (undef,undef,$res)=
1122: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1123: $res = &Apache::lonnet::clutter($res);
1124: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1125: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1126: }
1127:
1128: my $allowedsections;
1129: if (exists($show{'allowedsections'})) {
1130: $allowedsections =
1131: join(', ',sort(split(/\s*,\s*/,
1132: $slots{$slot}->{'allowedsections'})));
1133: }
1134:
1135: my @allowedusers;
1136: if (exists($show{'allowedusers'})) {
1137: @allowedusers= map {
1138: my ($uname,$udom)=split(/:/,$_);
1139: my $fullname=$name_cache{$_};
1140: if (!defined($fullname)) {
1141: $fullname = &Apache::loncommon::plainname($uname,$udom);
1142: $fullname =~s/\s/ /g;
1143: $name_cache{$_} = $fullname;
1144: }
1145: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1146: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1147: }
1148: my $allowedusers=join(', ',@allowedusers);
1149:
1150: my @proctors;
1151: my $rowspan=1;
1152: my $colspan=1;
1153: if (exists($show{'proctor'})) {
1154: $rowspan=2;
1155: @proctors= map {
1156: my ($uname,$udom)=split(/:/,$_);
1157: my $fullname=$name_cache{$_};
1158: if (!defined($fullname)) {
1159: $fullname = &Apache::loncommon::plainname($uname,$udom);
1160: $fullname =~s/\s/ /g;
1161: $name_cache{$_} = $fullname;
1162: }
1163: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1164: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1165: }
1166: my $proctors=join(', ',@proctors);
1167:
1168: my $edit=(<<"EDITLINK");
1169: <a href="/adm/helper/newslot.helper?name=$slot">Edit</a>
1170: EDITLINK
1171:
1172: my $delete=(<<"DELETELINK");
1173: <a href="/adm/slotrequest?command=delete&slotname=$slot">Delete</a>
1174: DELETELINK
1175:
1176: my $remove_all=&remove_link($slot,'remove all').'<br />';
1177:
1178: if ($ids ne '') { undef($delete); }
1179: if ($slots{$slot}{'type'} ne 'schedulable_student'
1180: || $ids eq '') {
1181: undef($remove_all);
1182: }
1183:
1184: my $row_start=&Apache::loncommon::start_data_table_row();
1185: my $row_end=&Apache::loncommon::end_data_table_row();
1186: $r->print($row_start.
1187: "\n<td rowspan=\"$rowspan\">$edit $delete</td>\n");
1188: if (exists($show{'name'})) {
1189: $colspan++;$r->print("<td>$slot</td>");
1190: }
1191: if (exists($show{'description'})) {
1192: $colspan++;$r->print("<td>$description</td>\n");
1193: }
1194: if (exists($show{'type'})) {
1195: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1196: }
1197: if (exists($show{'starttime'})) {
1198: $colspan++;$r->print("<td>$start</td>\n");
1199: }
1200: if (exists($show{'endtime'})) {
1201: $colspan++;$r->print("<td>$end</td>\n");
1202: }
1203: if (exists($show{'startreserve'})) {
1204: $colspan++;$r->print("<td>$start_reserve</td>\n");
1205: }
1206: if (exists($show{'secret'})) {
1207: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1208: }
1209: if (exists($show{'maxspace'})) {
1210: $colspan++;$r->print("<td>$slots{$slot}{'maxspace'}</td>\n");
1211: }
1212: if (exists($show{'ip'})) {
1213: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1214: }
1215: if (exists($show{'symb'})) {
1216: $colspan++;$r->print("<td>$title</td>\n");
1217: }
1218: if (exists($show{'allowedsections'})) {
1219: $colspan++;$r->print("<td>$allowedsections</td>\n");
1220: }
1221: if (exists($show{'allowedusers'})) {
1222: $colspan++;$r->print("<td>$allowedusers</td>\n");
1223: }
1224: if (exists($show{'uniqueperiod'})) {
1225: $colspan++;$r->print("<td>$unique</td>\n");
1226: }
1227: if (exists($show{'scheduled'})) {
1228: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1229: }
1230: $r->print("$row_end\n");
1231: if (exists($show{'proctor'})) {
1232: $r->print(<<STUFF);
1233: $row_start
1234: <td colspan="$colspan">$proctors</td>
1235: $row_end
1236: STUFF
1237: }
1238: }
1239: $r->print('</table></form>');
1240: }
1241:
1242: sub upload_start {
1243: my ($r)=@_;
1244: $r->print(&Apache::grades::checkforfile_js());
1245: my $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
1246: $result.=' <b>'.
1247: &mt('Specify a file containing the slot definitions.').
1248: '</b></td></tr>'."\n";
1249: $result.='<tr bgcolor=#ffffe6><td>'."\n";
1250: my $upfile_select=&Apache::loncommon::upfile_select_html();
1251: my $ignore=&mt('Ignore First Line');
1252: $result.=<<ENDUPFORM;
1253: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
1254: <input type="hidden" name="command" value="csvuploadmap" />
1255: $upfile_select
1256: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Data" />
1257: <label><input type="checkbox" name="noFirstLine" />$ignore</label>
1258: </form>
1259: ENDUPFORM
1260: $result.='</td></tr></table>'."\n";
1261: $result.='</td></tr></table>'."\n";
1262: $r->print($result);
1263: }
1264:
1265: sub csvuploadmap_header {
1266: my ($r,$datatoken,$distotal)= @_;
1267: my $javascript;
1268: if ($env{'form.upfile_associate'} eq 'reverse') {
1269: $javascript=&csvupload_javascript_reverse_associate();
1270: } else {
1271: $javascript=&csvupload_javascript_forward_associate();
1272: }
1273:
1274: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
1275: my $ignore=&mt('Ignore First Line');
1276: $r->print(<<ENDPICK);
1277: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
1278: <h3>Identify fields</h3>
1279: Total number of records found in file: $distotal <hr />
1280: Enter as many fields as you can. The system will inform you and bring you back
1281: to this page if the data selected is insufficient to create the slots.<hr />
1282: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
1283: <label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
1284: <input type="hidden" name="associate" value="" />
1285: <input type="hidden" name="datatoken" value="$datatoken" />
1286: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
1287: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
1288: <input type="hidden" name="upfile_associate"
1289: value="$env{'form.upfile_associate'}" />
1290: <input type="hidden" name="command" value="csvuploadassign" />
1291: <hr />
1292: <script type="text/javascript" language="Javascript">
1293: $javascript
1294: </script>
1295: ENDPICK
1296: return '';
1297:
1298: }
1299:
1300: sub csvuploadmap_footer {
1301: my ($request,$i,$keyfields) =@_;
1302: $request->print(<<ENDPICK);
1303: </table>
1304: <input type="hidden" name="nfields" value="$i" />
1305: <input type="hidden" name="keyfields" value="$keyfields" />
1306: <input type="button" onClick="javascript:verify(this.form)" value="Create Slots" /><br />
1307: </form>
1308: ENDPICK
1309: }
1310:
1311: sub csvupload_javascript_reverse_associate {
1312: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
1313: return(<<ENDPICK);
1314: function verify(vf) {
1315: var foundstart=0;
1316: var foundend=0;
1317: var foundname=0;
1318: var foundtype=0;
1319: for (i=0;i<=vf.nfields.value;i++) {
1320: tw=eval('vf.f'+i+'.selectedIndex');
1321: if (i==0 && tw!=0) { foundname=1; }
1322: if (i==1 && tw!=0) { foundtype=1; }
1323: if (i==2 && tw!=0) { foundstat=1; }
1324: if (i==3 && tw!=0) { foundend=1; }
1325: }
1326: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
1327: alert('$error1');
1328: return;
1329: }
1330: vf.submit();
1331: }
1332: function flip(vf,tf) {
1333: }
1334: ENDPICK
1335: }
1336:
1337: sub csvupload_javascript_forward_associate {
1338: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
1339: return(<<ENDPICK);
1340: function verify(vf) {
1341: var foundstart=0;
1342: var foundend=0;
1343: var foundname=0;
1344: var foundtype=0;
1345: for (i=0;i<=vf.nfields.value;i++) {
1346: tw=eval('vf.f'+i+'.selectedIndex');
1347: if (tw==1) { foundname=1; }
1348: if (tw==2) { foundtype=1; }
1349: if (tw==3) { foundstat=1; }
1350: if (tw==4) { foundend=1; }
1351: }
1352: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
1353: alert('$error1');
1354: return;
1355: }
1356: vf.submit();
1357: }
1358: function flip(vf,tf) {
1359: }
1360: ENDPICK
1361: }
1362:
1363: sub csv_upload_map {
1364: my ($r)= @_;
1365:
1366: my $datatoken;
1367: if (!$env{'form.datatoken'}) {
1368: $datatoken=&Apache::loncommon::upfile_store($r);
1369: } else {
1370: $datatoken=$env{'form.datatoken'};
1371: &Apache::loncommon::load_tmp_file($r);
1372: }
1373: my @records=&Apache::loncommon::upfile_record_sep();
1374: if ($env{'form.noFirstLine'}) { shift(@records); }
1375: &csvuploadmap_header($r,$datatoken,$#records+1);
1376: my ($i,$keyfields);
1377: if (@records) {
1378: my @fields=&csvupload_fields();
1379:
1380: if ($env{'form.upfile_associate'} eq 'reverse') {
1381: &Apache::loncommon::csv_print_samples($r,\@records);
1382: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
1383: \@fields);
1384: foreach (@fields) { $keyfields.=$_->[0].','; }
1385: chop($keyfields);
1386: } else {
1387: unshift(@fields,['none','']);
1388: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
1389: \@fields);
1390: my %sone=&Apache::loncommon::record_sep($records[0]);
1391: $keyfields=join(',',sort(keys(%sone)));
1392: }
1393: }
1394: &csvuploadmap_footer($r,$i,$keyfields);
1395:
1396: return '';
1397: }
1398:
1399: sub csvupload_fields {
1400: return (['name','Slot name'],
1401: ['type','Type of slot'],
1402: ['starttime','Start Time of slot'],
1403: ['endtime','End Time of slot'],
1404: ['startreserve','Reservation Start Time'],
1405: ['ip','IP or DNS restriction'],
1406: ['proctor','List of proctor ids'],
1407: ['description','Slot Description'],
1408: ['maxspace','Maximum number of reservations'],
1409: ['symb','Resource Restriction'],
1410: ['uniqueperiod','Date range of slot exclusion'],
1411: ['secret','Secret word proctor uses to validate'],
1412: ['allowedsections','Sections slot is restricted to'],
1413: ['allowedusers','Users slot is restricted to'],
1414: );
1415: }
1416:
1417: sub csv_upload_assign {
1418: my ($r,$mgr)= @_;
1419: &Apache::loncommon::load_tmp_file($r);
1420: my @slotdata = &Apache::loncommon::upfile_record_sep();
1421: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
1422: my %fields=&Apache::grades::get_fields();
1423: $r->print('<h3>Creating Slots</h3>');
1424: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
1425: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1426: my $countdone=0;
1427: my @errors;
1428: foreach my $slot (@slotdata) {
1429: my %slot;
1430: my %entries=&Apache::loncommon::record_sep($slot);
1431: my $domain;
1432: my $name=$entries{$fields{'name'}};
1433: if ($name=~/^\s*$/) {
1434: push(@errors,"Did not create slot with no name");
1435: next;
1436: }
1437: if ($name=~/\s/) {
1438: push(@errors,"$name not created -- Name must not contain spaces");
1439: next;
1440: }
1441: if ($name=~/\W/) {
1442: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
1443: next;
1444: }
1445: if ($entries{$fields{'type'}}) {
1446: $slot{'type'}=$entries{$fields{'type'}};
1447: } else {
1448: $slot{'type'}='preassigned';
1449: }
1450: if ($slot{'type'} ne 'preassigned' &&
1451: $slot{'type'} ne 'schedulable_student') {
1452: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
1453: next;
1454: }
1455: if ($entries{$fields{'starttime'}}) {
1456: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
1457: }
1458: if ($entries{$fields{'endtime'}}) {
1459: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
1460: }
1461:
1462: # start/endtime must be defined and greater than zero
1463: if (!$slot{'starttime'}) {
1464: push(@errors,"$name not created -- Invalid start time");
1465: next;
1466: }
1467: if (!$slot{'endtime'}) {
1468: push(@errors,"$name not created -- Invalid end time");
1469: next;
1470: }
1471: if ($slot{'starttime'} > $slot{'endtime'}) {
1472: push(@errors,"$name not created -- Slot starts after it ends");
1473: next;
1474: }
1475:
1476: if ($entries{$fields{'startreserve'}}) {
1477: $slot{'startreserve'}=
1478: &UnixDate($entries{$fields{'startreserve'}},"%s");
1479: }
1480: if (defined($slot{'startreserve'})
1481: && $slot{'startreserve'} > $slot{'starttime'}) {
1482: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
1483: next;
1484: }
1485:
1486: foreach my $key ('ip','proctor','description','maxspace',
1487: 'secret','symb') {
1488: if ($entries{$fields{$key}}) {
1489: $slot{$key}=$entries{$fields{$key}};
1490: }
1491: }
1492:
1493: if ($entries{$fields{'uniqueperiod'}}) {
1494: my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
1495: my @times=(&UnixDate($start,"%s"),
1496: &UnixDate($end,"%s"));
1497: $slot{'uniqueperiod'}=\@times;
1498: }
1499: if (defined($slot{'uniqueperiod'})
1500: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
1501: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
1502: next;
1503: }
1504:
1505: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
1506: $r->print('.');
1507: $r->rflush();
1508: $countdone++;
1509: }
1510: $r->print("<p>Created $countdone slots\n</p>");
1511: foreach my $error (@errors) {
1512: $r->print("<p>$error\n</p>");
1513: }
1514: &show_table($r,$mgr);
1515: return '';
1516: }
1517:
1518: sub handler {
1519: my $r=shift;
1520:
1521: &Apache::loncommon::content_type($r,'text/html');
1522: &Apache::loncommon::no_cache($r);
1523: if ($r->header_only()) {
1524: $r->send_http_header();
1525: return OK;
1526: }
1527:
1528: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
1529:
1530: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
1531: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
1532: my $title='Requesting Another Worktime';
1533: if ($env{'form.command'} =~ /^(showslots|uploadstart|csvuploadmap|csvuploadassign)$/ && $vgr eq 'F') {
1534: $title = 'Managing Slots';
1535: }
1536: &start_page($r,$title);
1537:
1538: if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
1539: &show_table($r,$mgr);
1540: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
1541: &remove_registration($r);
1542: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
1543: if ($env{'form.entry'} eq 'remove all') {
1544: &release_all_slot($r,$mgr);
1545: } else {
1546: &release_slot($r,undef,undef,undef,$mgr);
1547: }
1548: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
1549: &delete_slot($r);
1550: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
1551: &upload_start($r);
1552: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
1553: &csv_upload_map($r);
1554: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
1555: if ($env{'form.associate'} ne 'Reverse Association') {
1556: &csv_upload_assign($r,$mgr);
1557: } else {
1558: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
1559: $env{'form.upfile_associate'} = 'reverse';
1560: } else {
1561: $env{'form.upfile_associate'} = 'forward';
1562: }
1563: &csv_upload_map($r);
1564: }
1565: } else {
1566: my $symb=&unescape($env{'form.symb'});
1567: if (!defined($symb)) {
1568: &fail($r,'not_valid');
1569: return OK;
1570: }
1571: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
1572: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
1573: if ($useslots ne 'resource'
1574: && $useslots ne 'map'
1575: && $useslots ne 'map_map') {
1576: &fail($r,'not_available');
1577: return OK;
1578: }
1579: $env{'request.symb'}=$symb;
1580: my $type = ($res =~ /\.task$/) ? 'Task'
1581: : 'problem';
1582: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
1583: if ($status eq 'CAN_ANSWER' ||
1584: $status eq 'NEEDS_CHECKIN' ||
1585: $status eq 'WAITING_FOR_GRADE') {
1586: &fail($r,'not_allowed');
1587: return OK;
1588: }
1589: if ($env{'form.requestattempt'}) {
1590: &show_choices($r,$symb);
1591: } elsif ($env{'form.command'} eq 'release') {
1592: &release_slot($r,$symb);
1593: } elsif ($env{'form.command'} eq 'get') {
1594: &get_slot($r,$symb);
1595: } elsif ($env{'form.command'} eq 'change') {
1596: if (&release_slot($r,$symb,$env{'form.releaseslot'},1)) {
1597: &get_slot($r,$symb);
1598: }
1599: } else {
1600: $r->print("<p>Unknown command: ".$env{'form.command'}."</p>");
1601: }
1602: }
1603: &end_page($r);
1604: return OK;
1605: }
1606:
1607: 1;
1608: __END__
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