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Annotation of loncom/auth/localstudentphoto.pm, revision 1.7

1.1       albertel    1: # The LON-CAPA dummy student photo fetch mechnism
                      2: #
1.7     ! jms         3: # $Id: localstudentphoto.pm,v 1.6 2008/11/10 14:11:01 jms Exp $
1.1       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: #
                     27: # 8/24 Guy Albertelli
                     28: 
1.5       jms        29: 
1.1       albertel   30: package localstudentphoto;
                     31: use lib '/home/httpd/lib/perl/';
                     32: use LONCAPA::Configuration;
                     33: 
                     34: sub fetch {
1.3       raeburn    35:     my ($domain,$user,$pid,$response)=@_;
                     36:     my $temptxt = '';
                     37:     unless (ref($response)) {
                     38:         $response = \$temptxt;
                     39:     }
                     40:     if ($udom eq '' || $uname eq '') {
                     41:         $$response = 'nouser';
                     42:         return '';
                     43:     }
1.2       albertel   44:     return &main::propath($domain,$user).
1.1       albertel   45: 	'/userfiles/internal/studentphoto.jpg';
                     46: }
                     47: 
1.3       raeburn    48: sub fetch_thumbnail {
                     49:     my ($udom,$uname) = @_;
                     50:     if ($udom eq '' || $uname eq '') {
                     51:         return '';
                     52:     }
                     53:     my $userdir=&main::propath($udom,$uname);
                     54:     my $filepath = '/userfiles/internal/studentphoto.jpg';
                     55:     my $thumbnail = '/userfiles/internal/studentphoto_tn.gif';
                     56:     my $source =  "$userdir/$filepath";
                     57:     my $dest = "$userdir/$thumbnail";
                     58:     if (-e $dest) {
                     59:         return $dest;
                     60:     } else {
                     61:         if (!-e $source) {
                     62:             my $file = &fetch($udom,$uname);
                     63:         }
                     64:         if (-e $source) {
                     65:             my ($fullsize,$thumbsize)=&localstudentphoto::thumbsettings($udom);
                     66:             if ($fullsize && $thumbsize) {
                     67:                 system("convert -size $fullsize $source -thumbnail $thumbsize $dest");
                     68:             }
                     69:             if (-e $dest) {
                     70:                 return $dest;
                     71:             }
                     72:         }
                     73:     }
                     74:     return '';
                     75: }   
                     76: 
                     77: sub thumbsettings {
                     78:     my ($dom) = @_;
                     79:     my $fullsize = '240x240';
                     80:     my $thumbsize = '40x40';
                     81:     return ($fullsize,$thumbsize);
                     82: }
1.4       raeburn    83:                                                                                 
                     84: sub AUTOLOAD {
                     85:     our $AUTOLOAD;
                     86:     return '';
                     87: }
1.3       raeburn    88: 
1.1       albertel   89: 1;
                     90: __END__
1.5       jms        91: 
1.7     ! jms        92: =pod
        !            93: 
        !            94: =head1 NAME
        !            95: 
        !            96: Apache::localstudentphoto
        !            97: 
        !            98: =head1 SYNOPSIS
        !            99: 
        !           100: Incoming data: none
        !           101: Returns ''
        !           102: 
        !           103: =head1 OVERVIEW
        !           104: 
        !           105: Prevents errors when undefined subroutines are called in this package. 
        !           106: Will allow new routines added in the future to be called from lond etc.
        !           107: without the need for customized versions of local*.pm packages to be
        !           108: modified to include the new subroutines immediately.
1.5       jms       109: 
1.7     ! jms       110: See I<"Programming Perl"> 3rd ed. pp 296-298.
        !           111: 
        !           112: This is part of the LearningOnline Network with CAPA project
        !           113: described at http://www.lon-capa.org.
        !           114: 
        !           115: =cut
1.5       jms       116: