1: # The LON-CAPA dummy student photo fetch mechnism
2: #
3: # $Id: localstudentphoto.pm,v 1.6 2008/11/10 14:11:01 jms Exp $
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: #
27: # 8/24 Guy Albertelli
28:
29: =pod
30:
31: =head1 NAME
32:
33: Apache::localstudentphoto
34:
35: =head1 SYNOPSIS
36:
37: Incoming data: none
38: Returns ''
39:
40: =head1 OVERVIEW
41:
42: Prevents errors when undefined subroutines are called in this package.
43: Will allow new routines added in the future to be called from lond etc.
44: without the need for customized versions of local*.pm packages to be
45: modified to include the new subroutines immediately.
46:
47: See I<"Programming Perl"> 3rd ed. pp 296-298.
48:
49: This is part of the LearningOnline Network with CAPA project
50: described at http://www.lon-capa.org.
51:
52: =cut
53:
54:
55: package localstudentphoto;
56: use lib '/home/httpd/lib/perl/';
57: use LONCAPA::Configuration;
58:
59: sub fetch {
60: my ($domain,$user,$pid,$response)=@_;
61: my $temptxt = '';
62: unless (ref($response)) {
63: $response = \$temptxt;
64: }
65: if ($udom eq '' || $uname eq '') {
66: $$response = 'nouser';
67: return '';
68: }
69: return &main::propath($domain,$user).
70: '/userfiles/internal/studentphoto.jpg';
71: }
72:
73: sub fetch_thumbnail {
74: my ($udom,$uname) = @_;
75: if ($udom eq '' || $uname eq '') {
76: return '';
77: }
78: my $userdir=&main::propath($udom,$uname);
79: my $filepath = '/userfiles/internal/studentphoto.jpg';
80: my $thumbnail = '/userfiles/internal/studentphoto_tn.gif';
81: my $source = "$userdir/$filepath";
82: my $dest = "$userdir/$thumbnail";
83: if (-e $dest) {
84: return $dest;
85: } else {
86: if (!-e $source) {
87: my $file = &fetch($udom,$uname);
88: }
89: if (-e $source) {
90: my ($fullsize,$thumbsize)=&localstudentphoto::thumbsettings($udom);
91: if ($fullsize && $thumbsize) {
92: system("convert -size $fullsize $source -thumbnail $thumbsize $dest");
93: }
94: if (-e $dest) {
95: return $dest;
96: }
97: }
98: }
99: return '';
100: }
101:
102: sub thumbsettings {
103: my ($dom) = @_;
104: my $fullsize = '240x240';
105: my $thumbsize = '40x40';
106: return ($fullsize,$thumbsize);
107: }
108:
109: sub AUTOLOAD {
110: our $AUTOLOAD;
111: return '';
112: }
113:
114: 1;
115: __END__
116:
117:
118:
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