Annotation of loncom/enrollment/localenroll.pm, revision 1.20
1.5 albertel 1: # functions to glue school database system into Lon-CAPA for
2: # automated enrollment
1.20 ! raeburn 3: # $Id: localenroll.pm,v 1.19 2007/05/14 17:35:01 raeburn Exp $
1.5 albertel 4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
1.4 raeburn 27: package localenroll;
28:
29: use strict;
1.6 albertel 30:
31: ################################
32: # sub run
33: # set this to return 1 if you want the auto enrollment to run
1.19 raeburn 34: #
35: # Beginning with LON-CAPA version 2.4, use of this routine is
36: # deprecated. Whether or not Autoenroll.pl should run is set
37: # by the Domain Coordinator via "Set domain configuration",
38: # provided in the Domain Management section of the Main menu.
1.6 albertel 39: ################################
40:
1.9 raeburn 41: sub run() {
42: my $dom = shift;
43: return 0;
44: }
1.4 raeburn 45:
46: ################################
47: # sub fetch_enrollment
1.3 albertel 48: #
1.4 raeburn 49: # connects to the institutional classlist data source,
50: # reads classlist data and stores in an XML file
51: # in /home/httpd/perl/tmp/
52: #
53: # classlist files are named as follows:
54: #
55: # DOMAIN_COURSE_INSTITUTIONALCODE_classlist.xml
56: #
57: # e.g., msu_43551dedcd43febmsul1_fs03nop590001_classlist.xml
58: # where DOMAIN = msu COURSE = 43551dedcd43febmsul1
59: # INSTITUTIONALCODE = fs03nop590001
60: # (MSU's course naming scheme - fs03 = Fall semester 2003, nop =
1.8 raeburn 61: # department name, 590 = course number, 001 = section number.)
1.4 raeburn 62: #
63: # fetch_enrollment requires three arguments -
64: # $dom - DOMAIN e.g., msu
65: # $affiliatesref - a reference to a hash of arrays that contains LON-CAPA
66: # courses that are to be updated as keys, and institutional coursecodes
67: # contributing enrollment to that LON-CAPA course as elements in each array.
68: # $replyref - a reference to a hash that contains LON-CAPA courses
69: # that are to be updated as keys, and the total enrollment count in all
70: # affiliated sections, as determined from institutional data as hash elements.
71: #
72: # As an example, if fetch_enrollment is called to retrieve institutional
73: # classlists for a single LON-CAPA course - 43551dedcd43febmsul1 which
74: # corresponds to fs03nop590, sections 001, 601 and 602 , and the course
75: # also accommodates enrollment from a crosslisted course in the ost
76: # department - fs03ost580002:
77: #
78: # the affiliatesref would be a reference to %affiliates which would be:
79: #
80: # @{$affiliates{'43551dedcd43febmsul1'}} =
81: # ("fs03nop590001","fs03nop590601","fs03nop590602","fs03ost580002");
82: #
83: # fetch_enrollment would create four files in /home/httpd/perl/tmp/.
84: # msu_43551dedcd43febmsul1_fs03nop590001_classlist.xml
85: # msu_43551dedcd43febmsul1_fs03nop590601_classlist.xml
86: # msu_43551dedcd43febmsul1_fs03nop590602_classlist.xml
87: # msu_43551dedcd43febmsul1_fs03ost580002_classlist.xml
88: #
89: # In each file, student data would be stored in the following format
90: #
91: # <student username="smith">
92: # <autharg>MSU.EDU</autharg>
93: # <authtype>krb4</authtype>
94: # <email>smith@msu.edu</email>
95: # <enddate></enddate>
96: # <firstname>John</firstname>
97: # <generation>II</generation>
98: # <groupID>fs03nop590001</groupID>
99: # <lastname>Smith</lastname>
100: # <middlename>D</middlename>
101: # <startdate></startdate>
102: # <studentID>A12345678</studentID>
103: # </student>
104: #
105: # with the following at the top of the file
106: #<?xml version="1.0" encoding="UTF-8"?>
107: #<!DOCTYPE text>
108: #<students>
109: #
110: # (all comment - #s removed)
111: #
112: # and a closing:
113: #</students>
114: #
115: # The <startdate> and the <enddate> are the activation date and expiration date
1.9 raeburn 116: # for this student's role. If they are absent, then the default access start and
117: # default access end dates are used. The default access dates can be set when
118: # the course is created, and can be modified using the Automated Enrollment
119: # Manager, or via the 'Upload a class list','Enroll a single student' or
120: # 'Modify student data' utilities in the Enrollment Manager, by checking the
121: # 'make these dates the default for future enrollment' checkbox. If no default
122: # dates have been set, then the tudent role will be active immediately, and will
123: # remain active until the role is explicitly expired using ENRL -> Drop students.
1.4 raeburn 124: # If dates are to included in the XML file, they should be in the format
125: # YYYY:MM:DD:HH:MM:SS (: separators required).
126: #
127: # If there were 10 students in fs03nop590001, 5 students in fs03nop59o601,
128: # 8 students in fs03nop590602, and 2 students in fs03ost580002,
129: # then $$reply{'43551dedcd43febmsul1'} = 25
130: #
131: # The purpose of the %reply hash is to detect cases where the institutional
132: # enrollment is 0 (most likely due to a problem with the data source).
133: # In such a case, the LON-CAPA course roster is left unchanged (i.e., no
134: # students are expired, even if automated drops is enabled.
135: #
136: # fetch_enrollment should return a 0 or 1, depending on whether a connection
137: # could be established to the institutional data source.
138: # 0 is returned if no connection could be made.
139: # 1 is returned if connection was successful
140: #
141: # A return of 1 is required for the calling modules to perform LON-CAPA
142: # roster changes based on the contents of the XML classlist file(s), e,g,,
143: # msu_43551dedcd43febmsul1_fs03nop590001_classlist.xml
1.3 albertel 144: #
1.4 raeburn 145: # XML classlist files are temporary. They are deleted after the enrollment
146: # update process in the calling module is complete.
1.3 albertel 147: #
1.4 raeburn 148: ################################
1.1 raeburn 149:
150: sub fetch_enrollment {
1.7 matthew 151: my ($dom,$affiliatesref,$replyref) = @_;
152: foreach my $crs (sort keys %{$affiliatesref}) {
153: $$replyref{$crs} = 0;
154: }
155: my $okflag = 0;
156: return $okflag;
1.4 raeburn 157: }
158:
159: ###############################
160: # sub get_sections
161: #
162: # This is called by the Automated Enrollment Manager interface
163: # (lonpopulate.pm) to create an array of valid sections for
164: # a specific institutional coursecode.
165: # e.g., for MSU coursecode: fs03nop590
166: # ("001","601","602") would be returned
167: #
168: # If the array returned contains at least one element, then
169: # the interface offerred to the course coordinator, lists
170: # official sections and provides a checkbox to use to
171: # select enrollment in the LON-CAPA course from each official section.
172: #
1.11 raeburn 173: # get_sections takes two arguments - (a) the institutional coursecode
1.4 raeburn 174: # (in the MSU case this is a concatenation of semester code, department
1.11 raeburn 175: # and course number), and (b) the LON-CAPA domain that contains the course.
1.4 raeburn 176: #
177: # If there is no access to official course sections at your institution,
178: # then an empty array is returned, and the Automated Enrollment Manager
179: # interface will allow the course coordinator to enter section numbers
180: # in text boxes.
181: #
1.10 raeburn 182: ###############################
1.4 raeburn 183:
184: sub get_sections {
1.9 raeburn 185: my ($coursecode,$dom) = @_;
1.4 raeburn 186: my @secs = ();
187: return @secs;
1.1 raeburn 188: }
189:
1.4 raeburn 190: ###############################
191: # sub new_course
192: #
193: # This is called by loncreatecourse.pm and
194: # lonpopulate.pm to record that fact that a new course section
195: # has been added to LON-CAPA that requires access to institutional data
196: # At MSU, this is required, as institutional classlists can only made
1.8 raeburn 197: # available to faculty who are officially assigned to a course.
1.4 raeburn 198: #
199: # The new_course subroutine is used to check that the course owner
200: # of the LON-CAPA course is permitted to access the institutional
201: # classlist for any course sections and crosslisted classes that
202: # the course coordinator wishes to have affiliated with the course.
203: #
204: # If access is permitted, then 'ok' is returned.
205: # The course section or crosslisted course will only be added to the list of
206: # affiliates if 'ok' is returned.
207: #
1.11 raeburn 208: # new_course takes three arguments -
209: # (a) the institutional courseID (in the MSU case this is a concatenation of
1.4 raeburn 210: # semester code, department code, course number, and section number
211: # e.g., fs03nop590001).
1.15 raeburn 212: # (b) the course owner. This is the LON-CAPA username and domain of the course
213: # coordinator assigned to the course when it is first created, in the form
214: # username:domain
1.11 raeburn 215: # (c) the LON-CAPA domain that contains the course
1.4 raeburn 216: #
217: #################################
218:
219: sub new_course {
1.9 raeburn 220: my ($course_id,$owner,$dom) = @_;
1.4 raeburn 221: my $outcome = 'ok';
222: return $outcome;
1.1 raeburn 223: }
224:
1.4 raeburn 225: ###############################
226: # sub validate_courseID
227: #
228: # This is called whenever a new course section or crosslisted course
229: # is being affiliated with a LON-CAPA course (i.e., by loncreatecourse.pm
230: # and the Automated Enrollment Manager in lonpopulate.pm).
231: # A check is made that the courseID that the course coordinator wishes
232: # to affiliate with the course is valid according to the institutional
233: # schedule of official classes
234: #
235: # A valid courseID is confirmed by returning 'ok'
236: #
1.11 raeburn 237: # validate_courseID takes two arguments -
238: # (a) the institutional courseID (in the MSU case this is a concatenation of
1.4 raeburn 239: # semester code, department code, course number, and section number
240: # e.g., fs03nop590001).
1.11 raeburn 241: # (b) the LON-CAPA domain that contains the course
1.4 raeburn 242: #
243: ###############################
244:
245: sub validate_courseID {
1.9 raeburn 246: my ($course_id,$dom) = @_;
1.4 raeburn 247: my $outcome = 'ok';
248: return $outcome;
249: }
1.1 raeburn 250:
1.4 raeburn 251: ###############################
252: # sub create_password
253: #
254: # This is called when the authentication method set for the automated
1.8 raeburn 255: # enrollment process when enrolling new users in the domain is "localauth".
256: # This could be signalled for the specific user by the value of localauth
1.4 raeburn 257: # for the <authtype> tag from the classlist.xml files, or if this is blank,
258: # the default authtype, set by the domain coordinator when creating the course
259: # with loncreatecourse.pm.
1.11 raeburn 260: #
261: # create_password takes three arguments -
262: # (a) $authparam - the value of <autharg> from the classlist.xml files,
263: # or if this blank, the default autharg, set by the domain coordinator when
264: # creating the course with loncreatecourse.pm
265: # (b) $dom - the domain of the new user.
1.13 albertel 266: # (c) $username - the username of the new user (currently not actually used)
1.4 raeburn 267: #
1.11 raeburn 268: # Four values are returned:
1.4 raeburn 269: # (a) the value of $authparam - which might have been changed
270: # (b) a flag to indicate whether a password had been created
271: # 0 means no password created
272: # 1 means password created. In this case the calling module - Enrollment.pm
1.8 raeburn 273: # will send the LON-CAPA username and password to the new user's e-mail
1.4 raeburn 274: # (if one was provided), or to the course owner (if one was not provided and
275: # the new user was created by the automated process), or to the active
276: # course coordinator (if the new user was created using the 'update roster
1.8 raeburn 277: # now' interface included in the Automated Enrollment Manager).
1.4 raeburn 278: # (c) a flag to indicate that the authentication method is correct - 'ok'.
279: # If $authchk is not set to 'ok' then account creation and enrollment of the
280: # new user will not occur.
1.11 raeburn 281: # (d) if a password was created it can be sent along. This is the password
282: # which will be included in the e-mail sent to the new user, or made available
283: # to the course owner/course coordinator if no e-mail address is provided. If
284: # you do not wish to send a password, but want to give instructions on obtaining
285: # one, you could set $newpasswd as those instructions. (e.g.,
286: # $newpasswd = '(Please visit room 212, ACNS Bldg. to obtain your password)';
287: # The value of $newpasswd is NOT written in the user's LON-CAPA passwd file in
288: # /home/httpd/lonUsers/$dom/a/b/c/abcuser/passwd, which in the case of a user
289: # employing localauth will contain 'localauth:$authparam'. If you need to include
290: # a parameter in the user's passwd file, you should return it as $authparam,
291: # i.e., the first of the variables returned by create_password().
1.4 raeburn 292: ###############################
293:
294: sub create_password {
1.13 albertel 295: my ($authparam,$dom,$username) = @_;
1.4 raeburn 296: my $authchk = 'ok';
1.11 raeburn 297: my $newpasswd = '';
1.4 raeburn 298: my $create_passwd = 0;
1.11 raeburn 299: return ($authparam,$create_passwd,$authchk,$newpasswd);
1.1 raeburn 300: }
301:
1.10 raeburn 302: ###############################
303: # sub instcode_format
304: #
305: # Split coursecodes into constituent parts.
306: # e.g., INSTITUTIONALCODE = fs03nop590, LON-CAPA COURSEID: 43551dedcd43febmsul1
307: # (MSU's course naming scheme - fs03 = Fall semester 2003, nop =
308: # department name, 590 = course number)
309: #
310: # Incoming data:
311: # $dom (domain)
1.18 raeburn 312: # $$instcodes{'43551dedcd43febmsul1'} = 'fs03nop590' (hash of courseIDs)
1.10 raeburn 313: #
314: # fs03nop590 would be split as follows
315: # @{$codetitles} = ("year","semester","department","number")
316: # $$codes{{'year'} = '2003'
317: # $$codes{'semester'} = 'Fall'
318: # $$codes{'department'} = 'nop'
319: # $$codes{'number'} = '590'
320: #
1.11 raeburn 321: # requires six arguments:
1.10 raeburn 322: # domain ($dom)
323: # reference to hash of institutional course IDs ($instcodes)
324: # reference to hash of codes ($codes)
325: # reference to array of titles ($codetitles)
326: # reference to hash of abbreviations used in categories
327: # reference to hash of arrays specifying sort order used in category titles
328: #
329: # e.g., %{$$cat_titles{'Semester'}} = (
330: # fs => 'Fall',
331: # ss => 'Spring',
332: # us => 'Summer');
333: #
334: # e.g., @{$$cat_order{'Semester'}} = ('ss','us','fs');
335: # returns 1 parameter: 'ok' if no processing errors.
336: ###############################
337:
338: sub instcode_format () {
339: my ($dom,$instcodes,$codes,$codetitles,$cat_titles,$cat_order) = @_;
340: my $outcome = 'ok';
341: return $outcome;
342: }
343:
1.12 raeburn 344: ###############################
345: # sub institutional_photos
346: #
347: # Called when automated enrollment manager is used to update student photos.
348: #
349: # Incoming data: six arguments
350: # (a) $dom (domain)
351: # (b) $crs (LONCAPA course number)
352: # (c) $affiliates: a reference to a hash with the keys set to the
353: # institutional course IDs for the course.
354: # (d) $result: a reference to a hash which will return usernames
355: # of students (& separated) in following categories (the keys):
356: # new, update, missing, same, deleted, noid, nouser. The list
357: # includes those students for whom the result of the modification
358: # process was either addition of a new photo. update of an
359: # existing photo, photo was found to be missing from institution's
360: # data store, photo used is same as before, or photo was
361: # deleted from storage on LON-CAPA server housing student's
362: # information, no student ID was available.
363:
364: # (e) $action: the type of action needed. (e.g., update, delete);
365: # (f) $students: a reference to a hash with the keys set to student
366: # usernames and domains in the form username:domain, and values set
367: # to the studentID, if action is required for specific students.
368: #
369: # returns 1 parameter: 'ok' if no processing errors.
370: # other course or student specific values can be stored as values
371: # in the appropriate referenced hashes.
372: ###############################
373:
374: sub institutional_photos {
375: my ($dom,$crs,$affiliates,$result,$action,$students) = @_;
376: my $outcome = 'ok';
377: return $outcome;
378: }
379:
380: ###############################
381: # sub photo_permission
382: #
383: # Incoming data: three arguments
384: # (a) $dom (domain)
385: # (b) $perm_reqd: a reference to a a scalar that is either 'yes'
386: # if a course owner must indicate acceptance of conditions of use,
387: # 'no' otherwise.
388: # (c) $conditions: the text of the conditions of use.
389: #
390: # returns 1 parameter: 'ok' if no processing errors.
391: # $$perm_reqd is set to 'yes' or 'no'
392: # $$agreement is set to conditions of use - plain text string
393: # which will be displayed in a textarea in a web form.
394: ###############################
395:
396: sub photo_permission {
397: my ($dom,$perm_reqd,$conditions) = @_;
398: $$perm_reqd = 'no';
399: $$conditions = '';
400: my $outcome = 'ok';
401: return $outcome;
402: }
403:
404:
405: ###############################
406: # sub manager_photo_update
407: #
408: # Incoming data: one argument
409: # (a) $dom (domain)
410: #
411: # returns 2 parameters: update (0 or 1), and comment.
412: # Called by automated enrollment manager, to determine
413: # whether "Update Student photos" button will be available,
414: # and if so, the message (plain text string) that will be displayed
415: # with the button.
416: ###############################
417:
418: sub manager_photo_update {
419: my ($dom) = @_;
420: my $update = 0;
421: my $comment = '';
422: return ($update,$comment);
423: }
424:
1.14 raeburn 425: ###############################
1.16 raeburn 426: # sub check_section
427: #
428: # Incoming data: three arguments (+ fourth optional argument)
429: # (a) $class - institutional class id (coursecode concatanated with section)
430: # (b) $owner - course owner (2.2 and later username:domain; pre-2.2 username)
431: # (c) $dom 0 domain of course
432: # (d) $dbh - optional database handle
433: #
434: # returns 1 parameter - $sectioncheck ('ok' or other value).
435: # Verifies that course owner has access to classlist for specific class
436: # according to institution's SIS. 'ok' if access available
437: ###############################
438:
439: sub check_section {
440: my ($class,$owner,$dom,$dbh) = @_;
441: my $sectioncheck = 'ok';
442: return $sectioncheck;
443: }
444:
445: ###############################
1.17 raeburn 446: # sub instcode_defaults
447: #
448: # Incoming data: three arguments
449: # (a) $dom - domain
450: # (b) $defaults - reference to hash which will contain default regular
451: # expression matches for different components of an
452: # institutional course code
453: # (c) $code_order - reference to array which will contain order of
454: # component parts used in institutional code.
455: #
456: # returns 1 parameter - ('ok' or other value).
457: # Used to construct a regular expression to be used when searching for
458: # courses based on fragments of an institutional code.
459: # $defaults contains defaults to use for each component, and code_order
460: # contains keys of hash in order in which they are to be concatenated.
461: #
462: # e.g., INSTITUTIONALCODE = fs03nop590
463: # (MSU's course naming scheme - fs = semester, 03 = year, nop =
464: # department name, 590 = course number)
465: #
466: # %{$defaults} = (
467: # 'Year' => '\d{2}',
468: # 'Semester' => '^[sfu]s',
469: # 'Department' => '\w{2,3}',
470: # 'Number' => '\d{3,4}\w?',
471: # );
472: #
473: # @{$code_order} = ('Semester','Year','Department','Number');
474: #
475: ###############################
476:
477: sub instcode_defaults {
478: my ($dom,$defaults,$code_order) = @_;
479: return 'ok';
480: }
481:
1.18 raeburn 482: ###############################
483: # sub allusers_info
484: #
485: # Incoming data: three arguments
486: # (a) $dom - domain
487: # (b) $instusers - reference to hash which will contain hashes,
488: # where keys will be usernames and value will be a
489: # hash of user information. Keys in the inner hash
490: # will be some or all of: lastname,firstname,
491: # middlename, generation, id, inststatus -
492: # institutional status (e.g., faculty,staff,student)
493: # Values are all scalars except inststatus,
494: # which is an array.
495: # (c) $instids - reference to hash which will contain ID numbers.
496: # keys will be unique IDs (student or faculty/staff ID)
497: # values will be either: scalar (username) or an array
498: # if a single ID matches multiple usernames.
499: # returns 1 parameter - ('ok' or other value).
500: # side effects - populates the $instusers and $instids refs to hashes.
501: # with information for all users from all available
502: # institutional datafeeds.
503: #
504: ###############################
505:
506: sub allusers_info {
507: my ($dom,$instusers,$instids) = @_;
508: my $outcome = 'ok';
509: return $outcome;
510: }
511:
512: ###############################
513: # sub get_userinfo
514: #
515: # Incoming data: four required arguments and two optional arguments
516: # Retrieves institutional data for a single user either by username
517: # if $uname is included as second argument, or by ID if $id is
518: # included as a third argument. Either (b) or (c) must be provided.
519: # (a) $dom - domain
520: # (b) $uname - username of user
521: # (c) $id - student/faculty ID of user
522: # (d) $instusers - reference to hash which will contain info for user
523: # as key = value; keys will be one or all of:
524: # lastname,firstname,middlename,generation,id,inststatus -
525: # institutional status (e.g., faculty,staff,student)
526: # Values are all scalars except inststatus,
527: # which is an array.
528: # (e) $instids - reference to hash which will contain ID numbers -
529: # keys will be unique IDs (student or faculty/staff ID)
530: # values will be either: scalar (username) or an array
531: # if a single ID matches multiple usernames.
532: # (f) $types - optional reference to array which contains
533: # institutional types to check.
534: #
535: # returns 1 parameter - ('ok' or other value).
536: # side effects - populates the $instusers and $instids refs to hashes.
537: # with information for specified username, or specified
538: # id, if fifth argument provided, from all available, or
539: # specified (e.g., faculty only) institutional datafeeds,
540: # if sixth argument provided.
541: ###############################
542:
543: sub get_userinfo {
544: my ($dom,$uname,$id,$instusers,$instids,$types) = @_;
545: my $outcome = 'ok';
546: return $outcome;
547: }
548:
549: ###############################
550: # sub inst_usertypes
551: #
552: # Incoming data: three arguments
553: # (a) $dom - domain
554: # (b) $usertypes - reference to hash which will contain
555: # key = value, where keys are institution
556: # affiliation types (e.g., Faculty, Student etc.)
557: # and values are titles (e.g., Faculty/Academic Staff)
558: # (c) $order - reference to array which will contain the order in
559: # which institutional types should be shown
560: # when displaying data tables (e.g., default quotas
561: # or updateable user fields (see domainprefs.pm)
562: # returns 1 parameter - ('ok' or other value).
563: #
564: ###############################
565:
566: sub inst_usertypes {
567: my ($dom,$usertypes,$order) = @_;
1.20 ! raeburn 568: @{$order} = ();
! 569: %{$usertypes} = ();
1.18 raeburn 570: my $outcome = 'ok';
571: return $outcome;
572: }
1.17 raeburn 573:
574: ###############################
1.14 raeburn 575: # sub AUTOLOAD
576: #
577: # Incoming data: none
578: # Returns ''
579: #
580: # Prevents errors when undefined subroutines are called in this package
581: # Will allow new routines added in the future to be called from lond etc.
582: # without the need for customized versions of local*.pm packages to be
583: # modified to include the new subroutines immediately.
584: #
585: # See "Programming Perl" 3rd ed. pp 296-298.
586: ###############################
587:
588: sub AUTOLOAD {
589: our $AUTOLOAD;
590: return '';
591: }
592:
1.1 raeburn 593: 1;
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