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File:  [LON-CAPA] / loncom / auth / localstudentphoto.pm
Revision 1.7: download - view: text, annotated - select for diffs
Thu Nov 20 14:37:52 2008 UTC (16 years, 1 month ago) by jms
Branches: MAIN
CVS tags: version_2_9_X, version_2_9_99_0, version_2_9_1, version_2_9_0, version_2_8_99_1, version_2_8_99_0, version_2_12_X, version_2_11_X, version_2_11_5_msu, version_2_11_5, version_2_11_4_uiuc, version_2_11_4_msu, version_2_11_4, version_2_11_3_uiuc, version_2_11_3_msu, version_2_11_3, version_2_11_2_uiuc, version_2_11_2_msu, version_2_11_2_educog, version_2_11_2, version_2_11_1, version_2_11_0_RC3, version_2_11_0_RC2, version_2_11_0_RC1, version_2_11_0, version_2_10_X, version_2_10_1, version_2_10_0_RC2, version_2_10_0_RC1, version_2_10_0, loncapaMITrelate_1, language_hyphenation_merge, language_hyphenation, bz6209-base, bz6209, bz5969, bz2851, PRINT_INCOMPLETE_base, PRINT_INCOMPLETE, HEAD, GCI_3, GCI_2, BZ5971-printing-apage, BZ5434-fox, BZ4492-merge, BZ4492-feature_horizontal_radioresponse, BZ4492-feature_Support_horizontal_radioresponse, BZ4492-Support_horizontal_radioresponse
Reformatted POD, moved to bottom of file

# The LON-CAPA dummy student photo fetch mechnism
#
# $Id: localstudentphoto.pm,v 1.7 2008/11/20 14:37:52 jms Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
# 8/24 Guy Albertelli


package localstudentphoto;
use lib '/home/httpd/lib/perl/';
use LONCAPA::Configuration;

sub fetch {
    my ($domain,$user,$pid,$response)=@_;
    my $temptxt = '';
    unless (ref($response)) {
        $response = \$temptxt;
    }
    if ($udom eq '' || $uname eq '') {
        $$response = 'nouser';
        return '';
    }
    return &main::propath($domain,$user).
	'/userfiles/internal/studentphoto.jpg';
}

sub fetch_thumbnail {
    my ($udom,$uname) = @_;
    if ($udom eq '' || $uname eq '') {
        return '';
    }
    my $userdir=&main::propath($udom,$uname);
    my $filepath = '/userfiles/internal/studentphoto.jpg';
    my $thumbnail = '/userfiles/internal/studentphoto_tn.gif';
    my $source =  "$userdir/$filepath";
    my $dest = "$userdir/$thumbnail";
    if (-e $dest) {
        return $dest;
    } else {
        if (!-e $source) {
            my $file = &fetch($udom,$uname);
        }
        if (-e $source) {
            my ($fullsize,$thumbsize)=&localstudentphoto::thumbsettings($udom);
            if ($fullsize && $thumbsize) {
                system("convert -size $fullsize $source -thumbnail $thumbsize $dest");
            }
            if (-e $dest) {
                return $dest;
            }
        }
    }
    return '';
}   

sub thumbsettings {
    my ($dom) = @_;
    my $fullsize = '240x240';
    my $thumbsize = '40x40';
    return ($fullsize,$thumbsize);
}
                                                                                
sub AUTOLOAD {
    our $AUTOLOAD;
    return '';
}

1;
__END__

=pod

=head1 NAME

Apache::localstudentphoto

=head1 SYNOPSIS

Incoming data: none
Returns ''

=head1 OVERVIEW

Prevents errors when undefined subroutines are called in this package. 
Will allow new routines added in the future to be called from lond etc.
without the need for customized versions of local*.pm packages to be
modified to include the new subroutines immediately.

See I<"Programming Perl"> 3rd ed. pp 296-298.

This is part of the LearningOnline Network with CAPA project
described at http://www.lon-capa.org.

=cut
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