1: <helper title="Slot Creation" requiredpriv="mgq">
2: <state name="START" title="Specify Required Attributes"
3: help="Slot_RequiredAttributes">
4:
5: <nextstate>OPTIONAL</nextstate>
6:
7: <exec>
8: if (!exists($helper->{'VARS'}{'name'}) ||
9: $helper->{'VARS'}{'name'} !~ /\S/) {
10: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
11: if (exists($env{'form.name'}) ||
12: $env{'form.name'} =~ /\S/) {
13: $helper->{'VARS'}{'name'}=$env{'form.name'};
14: $helper->{VARS}{'origname'}=$env{'form.name'};
15: $helper->{DATA}{copy} = 1;
16: }
17: }
18: $helper->{DATA}{origslot} = sub {
19: my ($which,$default)=@_;
20: if (!exists($helper->{'VARS'}{'name'}) ||
21: $helper->{'VARS'}{'name'} !~ /\S/) {
22: return $default;
23: }
24: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
25: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
26: my $name=$helper->{VARS}{'origname'};
27: my %slot=&Apache::lonnet::get('slots', [$name], $cdom, $cnum);
28: if (!ref($slot{$name})) { return $default; }
29: if (($which eq 'ipdeny') || ($which eq 'ipallow')) {
30: if (!exists($slot{$name}{'ip'})) { return $default; }
31: } else {
32: if (!exists($slot{$name}{$which})) { return $default; }
33: }
34: if (($which eq 'ipdeny') || ($which eq 'ipallow')) {
35: my @allows;
36: my @denies;
37: foreach my $item (split(',',$slot{$name}{'ip'})) {
38: $item =~ s/^\s*//;
39: $item =~ s/\s*$//;
40: if ($item =~ /^\!(.+)$/) {
41: push(@denies,$1);
42: } else {
43: push(@allows,$item);
44: }
45: }
46: if ($which eq 'ipdeny') {
47: return join(',',@denies);
48: }
49: if ($which eq 'ipallow') {
50: return join(',',@allows);
51: }
52: } else {
53: return $slot{$name}{$which};
54: }
55: }
56: </exec>
57: <message>
58: <br />Name: <br />
59: </message>
60: <string variable="name" size="30">
61: <validator>
62: if ($val=~/^\s*$/) { return 'Must specify a name'; }
63: if ($val=~/\s/) { return 'Must not contain spaces'; }
64: if ($val=~/\W/) { return 'Must contain only letters, numbers and _'; }
65: return undef;
66: </validator>
67: <defaultvalue>
68: return $helper->{'VARS'}{'name'};
69: </defaultvalue>
70: </string>
71: <condition>
72: <clause>$helper->{DATA}{copy}</clause>
73: <message>
74: <p>Changing the Name will create a new slot with the new name, and not rename the existing slot.</p>
75: </message>
76: </condition>
77: <message>
78: <br />Start time:<br />
79: </message>
80: <date variable="starttime" hoursminutes="1">
81: <defaultvalue>
82: return &{$helper->{DATA}{origslot}}('starttime');
83: </defaultvalue>
84: </date>
85: <message>
86: <br />End time:<br />
87: </message>
88: <date variable="endtime" hoursminutes="1">
89: <defaultvalue>
90: return &{$helper->{DATA}{origslot}}('endtime');
91: </defaultvalue>
92: <validator>
93: if ($val < $helper->{'VARS'}{'starttime'}) {
94: return 'End time must be later than the start time.';
95: }
96: return undef;
97: </validator>
98: </date>
99: <message>
100: <br />Type:
101: </message>
102: <choices variable="type">
103: <choice computer='preassigned'>Instructor assignable.</choice>
104: <choice computer='schedulable_student'>Student selectable.</choice>
105: <defaultvalue>
106: return &{$helper->{DATA}{origslot}}('type','preassigned');
107: </defaultvalue>
108: </choices>
109: </state>
110:
111:
112: <state name="OPTIONAL" title="Specify Optional Attributes"
113: help="Slot_OptionalAttributes">
114: <message>
115: <p>Description:<br />
116: </message>
117: <string variable="description" size="60">
118: <defaultvalue>
119: return &{$helper->{DATA}{origslot}}('description');
120: </defaultvalue>
121: </string>
122: <condition>
123: <clause>$helper->{'VARS'}{'type'} eq 'schedulable_student'</clause>
124: <message>
125: </p><p>Time students can start reserving:<br />
126: </message>
127: <date variable="startreserve" hoursminutes="1" anytime="1">
128: <defaultvalue>
129: return &{$helper->{DATA}{origslot}}('startreserve','anytime');
130: </defaultvalue>
131: <validator>
132: if (defined($val) && $val > $helper->{'VARS'}{'starttime'}) {
133: return 'Reservation time must come before the slot has started.';
134: }
135: return undef;
136: </validator>
137: </date>
138: <message>
139: </p><p>Time students can no longer reserve:<br />
140: </message>
141: <date variable="endreserve" hoursminutes="1" anytime="1">
142: <defaultvalue>
143: return &{$helper->{DATA}{origslot}}('endreserve','anytime');
144: </defaultvalue>
145: <validator>
146: if (defined($val) && $val > $helper->{'VARS'}{'starttime'}) {
147: return 'Reservation end time must come before the slot has started.';
148: }
149: return undef;
150: </validator>
151: </date>
152: <message>
153: </p><p>Maximum number of students allowed in this slot:<br />
154: </message>
155: <string variable="maxspace" size="4">
156: <validator>
157: if ($val ne '' && $val=~/\D/) { return 'Must be numeric.'; }
158: return undef;
159: </validator>
160: <defaultvalue>
161: return &{$helper->{DATA}{origslot}}('maxspace');
162: </defaultvalue>
163: </string>
164: <message>
165: </p><p>Period of time when this slot can only be uniquely chosen:<br /> Start:
166: </message>
167: <date variable="startunique" hoursminutes="1" anytime="1">
168: <defaultvalue>
169: my $default=&{$helper->{DATA}{origslot}}('uniqueperiod','anytime');
170: if ($default eq 'anytime') { return 'anytime' };
171: if (ref($default)) { return $default->[0]; }
172: return 'anytime';
173: </defaultvalue>
174: </date>
175: <message><br /> End: </message>
176: <date variable="endunique" hoursminutes="1" anytime="1">
177: <defaultvalue>
178: my $default=&{$helper->{DATA}{origslot}}('uniqueperiod','anytime');
179: if ($default eq 'anytime') { return 'anytime' };
180: if (ref($default)) { return $default->[1]; }
181: return 'anytime';
182: </defaultvalue>
183: <validator>
184: if (defined($val) && $val < $helper->{'VARS'}{'startunique'}) {
185: return 'End time must be later than the start time.';
186: }
187: return undef;
188: </validator>
189: </date>
190: <message>
191: </p><p>Message(s) triggered by reservation change by student
192: </message>
193: <choices variable="reservationmsg">
194: <choice computer='only_student'>Sent to student</choice>
195: <choice computer='student_and_user_notes_screen'>Sent to student and added to user notes</choice>
196: <choice computer='none'>None sent and no record in user notes</choice>
197: <defaultvalue>
198: my $default=&{$helper->{DATA}{origslot}}('reservationmsg');
199: if ($default eq 'only_student') { return $default; }
200: if ($default eq 'student_and_user_notes_screen') { return $default; }
201: return 'none';
202: </defaultvalue>
203: </choices>
204: </condition>
205: <condition>
206: <clause>$helper->{'VARS'}{'type'} eq 'preassigned'</clause>
207: <exec>
208: delete($helper->{'VARS'}{'startreserve'});
209: delete($helper->{'VARS'}{'endreserve'});
210: delete($helper->{'VARS'}{'maxspace'});
211: </exec>
212: <message>
213: </p><p>Period of time when this slot can only be uniquely assigned:<br /> Start:
214: </message>
215: <date variable="startunique" hoursminutes="1" anytime="1">
216: <defaultvalue>
217: my $default=&{$helper->{DATA}{origslot}}('uniqueperiod','anytime');
218: if ($default eq 'anytime') { return 'anytime' };
219: if (ref($default)) { return $default->[0]; }
220: return 'anytime';
221: </defaultvalue>
222: </date>
223: <message><br /> End: </message>
224: <date variable="endunique" hoursminutes="1" anytime="1">
225: <defaultvalue>
226: my $default=&{$helper->{DATA}{origslot}}('uniqueperiod','anytime');
227: if ($default eq 'anytime') { return 'anytime' };
228: if (ref($default)) { return $default->[1]; }
229: return 'anytime';
230: </defaultvalue>
231: <validator>
232: if (defined($val) && $val < $helper->{'VARS'}{'startunique'}) {
233: return 'End time must be later than the start time.';
234: }
235: return undef;
236: </validator>
237: </date>
238: </condition>
239: <message>
240: </p><p>Proctored access:
241: </message>
242: <choices variable="useproctor">
243: <choice computer='no'>No proctor checkin required for access.</choice>
244: <choice computer='yes'>Require proctored checkin for access.</choice>
245: <defaultvalue>
246: my $default=&{$helper->{DATA}{origslot}}('proctor');
247: if ($default) { return 'yes'; }
248: return 'no';
249: </defaultvalue>
250: </choices>
251:
252: <message>
253: </p><p>Secret word proctors use to checkin users:<br />
254: </message>
255: <string variable="secret" size="12">
256: <validator>
257: return undef;
258: </validator>
259: <defaultvalue>
260: return &{$helper->{DATA}{origslot}}('secret');
261: </defaultvalue>
262: </string>
263: <message>
264: </p><p>Slot is:
265: </message>
266: <helpicon file="Slot_ChoosingResources" />
267:
268: <choices variable="restricttosymb">
269: <choice nextstate="PROCTOR" computer='any'>usable for any resource.</choice>
270: <choice nextstate="RESOURCESELECT" computer='resource'>restricted to a specific resource.</choice>
271: <defaultvalue>
272: my $default=&{$helper->{DATA}{origslot}}('symb');
273: if ($default) { return 'resource'; }
274: return 'any';
275: </defaultvalue>
276: </choices>
277:
278: <message>
279: </p><p>IP restrictions -- allow from all except: <br />
280: </message>
281:
282: <string variable="ipdeny" size="30">
283: <validator>
284: return undef;
285: </validator>
286: <defaultvalue>
287: return &{$helper->{DATA}{origslot}}('ipdeny');
288: </defaultvalue>
289: </string>
290:
291: <message>
292: </p><p>IP restrictions -- deny from all except: <br />
293: </message>
294:
295: <string variable="ipallow" size="30">
296: <validator>
297: return undef;
298: </validator>
299: <defaultvalue>
300: return &{$helper->{DATA}{origslot}}('ipallow');
301: </defaultvalue>
302: </string>
303: <message> </p> </message>
304: </state>
305:
306:
307: <state name="RESOURCESELECT" title="Specify Optional Attributes">
308:
309: <nextstate>PROCTOR</nextstate>
310:
311: <resource variable="symb">
312: <filterfunc>return $res->is_problem() || $res->is_tool()</filterfunc>
313: <valuefunc>return $res->symb()</valuefunc>
314: <defaultvalue>
315: return &{$helper->{DATA}{origslot}}('symb');
316: </defaultvalue>
317: </resource>
318: </state>
319:
320:
321: <state name="PROCTOR" title="Specify Proctors"
322: help="Slot_SpecifyProctors">
323:
324: <skip>
325: <clause>$helper->{'VARS'}{'useproctor'} eq 'no'</clause>
326: <nextstate>RESTRICTUSER</nextstate>
327: </skip>
328:
329: <nextstate>RESTRICTUSER</nextstate>
330:
331: <student variable="proctor" multichoice="1" coursepersonnel="1"
332: activeonly="1" emptyallowed="0">
333: <defaultvalue>
334: my @defaults;
335: my $default=&{$helper->{DATA}{origslot}}('proctor');
336: if ($default) {
337: @defaults=(split(',',$default));
338: }
339: return @defaults;
340: </defaultvalue>
341: </student>
342: </state>
343:
344:
345: <state name="RESTRICTUSER" title="Restrict slot availability"
346: help="Slot_RestrictAvailibility">
347: <skip>
348: <clause>$helper->{'VARS'}{'type'} ne 'schedulable_student'</clause>
349: <nextstate>FINISH</nextstate>
350: </skip>
351:
352: <nextstate>FINISH</nextstate>
353: <message>
354: <p>Slots are by default available to all users in a course, if you would like this slot to be restricted to a subset of users you can specify restrictions.</p>
355: </message>
356:
357: <message>
358: Select sections to limit slot availability to: <br />
359: </message>
360: <section variable="allowedsections" multichoice="1" allowempty="1">
361: <defaultvalue>
362: return join('|||',
363: split(',',&{$helper->{DATA}{origslot}}('allowedsections')));
364: </defaultvalue>
365: </section>
366: <message>
367: Select users to limit slot availability to: <br />
368: </message>
369: <student variable="allowedusers" multichoice="1" coursepersonnel="1"
370: activeonly="1" emptyallowed="1">
371: <defaultvalue>
372: return split(',',&{$helper->{DATA}{origslot}}('allowedusers'));
373: </defaultvalue>
374: </student>
375: </state>
376:
377:
378: <state name="FINISH" title="Creating/Modifying Slot">
379: <message> Created Slot </message>
380: <final>
381: <finalcode>
382: my $result;
383: if ($helper->{'STATE'} ne 'FINISH') { return; }
384: my %slot;
385:
386: foreach my $which ('type','starttime','endtime') {
387: $slot{$which} = $helper->{'VARS'}{$which};
388: }
389:
390: foreach my $which ('description','maxspace','secret','symb') {
391: if ( $helper->{'VARS'}{$which} =~/\S/ ) {
392: $slot{$which} = $helper->{'VARS'}{$which};
393: }
394: }
395:
396: if ($helper->{'VARS'}{'ipdeny'} =~/\S/ ) {
397: foreach my $item (split(',',$helper->{'VARS'}{'ipdeny'})) {
398: $item =~ s/^\s*//;
399: $item =~ s/\s*$//;
400: $slot{'ip'} .= '!'.$item.',';
401: }
402: }
403:
404: if ($helper->{'VARS'}{'ipallow'} =~/\S/ ) {
405: foreach my $item (split(',',$helper->{'VARS'}{'ipallow'})) {
406: $item =~ s/^\s*//;
407: $item =~ s/\s*$//;
408: $slot{'ip'} .= $item.',';
409: }
410: }
411:
412: if ($slot{'ip'} ne '') {
413: $slot{'ip'} =~s /,$//;
414: }
415:
416: if ($helper->{'VARS'}{'type'} eq 'schedulable_student') {
417: if (($helper->{'VARS'}{'reservationmsg'} eq 'only_student') ||
418: ($helper->{'VARS'}{'reservationmsg'} eq 'student_and_user_notes_screen')) {
419: $slot{'reservationmsg'} = $helper->{'VARS'}{'reservationmsg'};
420: } else {
421: $slot{'reservationmsg'} = 'none';
422: }
423: }
424:
425: if ( $helper->{'VARS'}{'startreserve'} > 0) {
426: $slot{'startreserve'} = $helper->{'VARS'}{'startreserve'};
427: }
428:
429: if ( $helper->{'VARS'}{'endreserve'} > 0) {
430: $slot{'endreserve'} = $helper->{'VARS'}{'endreserve'};
431: }
432:
433: if ( $helper->{'VARS'}{'startunique'} > 0 &&
434: $helper->{'VARS'}{'endunique'} > 0 ) {
435: $slot{'uniqueperiod'} = [$helper->{'VARS'}{'startunique'},
436: $helper->{'VARS'}{'endunique'}];
437: }
438:
439: if ( $helper->{'VARS'}{'useproctor'} eq 'yes'
440: && $helper->{'VARS'}{'proctor'} =~/\S/ ) {
441: my @names;
442: # just need the username/domain throw away the other data
443: # that <student> returns
444: foreach my $user (split(/\|\|\|/, $helper->{'VARS'}{'proctor'})) {
445: my ($uname,$udomain)=split(/:/,$user);
446: push(@names,"$uname:$udomain");
447: }
448: # make sure the usernmaes are unique
449: my %proctors = map { ($_,1) } @names;
450: $slot{'proctor'}=join(',',sort(keys(%proctors)));
451: }
452:
453: if ( $helper->{'VARS'}{'allowedsections'} =~/\S/ ) {
454: $slot{'allowedsections'}=
455: join(',',sort(split(/\|\|\|/,
456: $helper->{'VARS'}{'allowedsections'})));
457: }
458:
459: if ( $helper->{'VARS'}{'allowedusers'} =~/\S/ ) {
460: my @names;
461: # just need the username/domain throw away the other data
462: # that <student> returns
463: foreach my $item (split(/\|\|\|/,
464: $helper->{'VARS'}{'allowedusers'})) {
465: my ($uname,$udomain)=split(/:/,$item);
466: push(@names,"$uname:$udomain");
467: }
468:
469: # make sure the choices are unique
470: my %users = map { ($_,1) } @names;
471: $slot{'allowedusers'}=join(',',sort(keys(%users)));
472: }
473:
474: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
475: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
476:
477: my $ret = &Apache::lonnet::cput('slots',
478: {$helper->{'VARS'}{'name'} => \%slot},
479: $cdom,$cname);
480: if ($ret eq 'ok') {
481: &Apache::lonnet::devalidate_slots_cache($cname,$cdom);
482: }
483: $result.="\n ".'Name: '.&HTML::Entities::encode($helper->{'VARS'}{'name'}).'</li>'.
484: "\n".'<li> Starts: '.&Apache::lonlocal::locallocaltime($slot{'starttime'}).'</li>'.
485: "\n".'<li> Ends: '.&Apache::lonlocal::locallocaltime($slot{'endtime'}).'</li>'.
486: "\n".'<li> Type: '.$slot{'type'}.'</li>';
487: my %labels =
488: map {($_->[0],$_->[1])} &Apache::slotrequest::csvupload_fields();
489: foreach my $which ('ip','description','maxspace','secret','symb',
490: 'allowedsections','allowedusers') {
491: if (exists($slot{$which})) {
492: $result.="\n".'<li> '.$labels{$which}.': '.
493: &HTML::Entities::encode($slot{$which}).'</li>';
494: }
495: }
496: if (exists($slot{'startreserve'})) {
497: $result.="\n".'<li> '.$labels{'startreserve'}.': '.
498: &Apache::lonlocal::locallocaltime($slot{'startreserve'}).'</li>';
499: }
500:
501: if (exists($slot{'endreserve'})) {
502: $result.="\n".'<li> '.$labels{'endreserve'}.': '.
503: &Apache::lonlocal::locallocaltime($slot{'endreserve'}).'</li>';
504: }
505:
506: if (exists($slot{'reservationmsg'})) {
507: my %options = &Apache::slotrequest::slot_reservationmsg_options();
508: $result.="\n".'<li> '.$labels{'reservationmsg'}.': '.
509: $options{$slot{'reservationmsg'}}.'</li>';
510: }
511:
512: if (exists($slot{'proctor'})) {
513: my $proctors = $slot{'proctor'};
514: $proctors =~ s/,/, /g;
515: $result.="\n".'<li> '.$labels{'proctor'}.': '.
516: &HTML::Entities::encode($proctors).'</li>';
517: }
518: if (exists($slot{'uniqueperiod'})) {
519: $result.=
520: "\n".'<li> '.$labels{'uniqueperiod'}.': '.
521: &Apache::lonlocal::locallocaltime($slot{'uniqueperiod'}[0]).
522: ', '.
523: &Apache::lonlocal::locallocaltime($slot{'uniqueperiod'}[1]).
524: '</li>';
525: }
526: return $result;
527: </finalcode>
528: <exitpage>/adm/slotrequest?command=showslots</exitpage>
529: </final>
530: </state>
531: </helper>
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