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Diff for /loncom/publisher/londiff.pm between versions 1.4 and 1.6

version 1.4, 2001/05/03 11:04:07 version 1.6, 2001/12/04 15:34:57
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # Handler to show differences between file versions  # Handler to show differences between file versions
 #  #
   # $Id$
   #
   # 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/
   #
   #
 # (Handler to retrieve an old version of a file  # (Handler to retrieve an old version of a file
 #  #
 # (Publication Handler  # (Publication Handler
Line 15 Line 40
 #  #
 # 03/31,04/03 Gerd Kortemeyer)  # 03/31,04/03 Gerd Kortemeyer)
 #  #
 # 05/02/01 Gerd Kortemeyer  # 05/02/01,05/09 Gerd Kortemeyer
   
 package Apache::londiff;  package Apache::londiff;
   
Line 24  use Apache::File; Line 49  use Apache::File;
 use File::Copy;  use File::Copy;
 use Algorithm::Diff qw(diff);  use Algorithm::Diff qw(diff);
 use Apache::Constants qw(:common :http :methods);  use Apache::Constants qw(:common :http :methods);
   use Apache::loncacc;
   
 sub handler {  sub handler {
   
Line 46  sub handler { Line 71  sub handler {
   
 # Get the files  # Get the files
   
     my $cuname=$ENV{'user.name'};
     my $cudom=$ENV{'user.domain'};
   
     unless (($cuname,$cudom)=
       &Apache::loncacc::constructaccess($ENV{'form.filename'},
                                         $r->dir_config('lonDefDomain'))) {
        $r->log_reason($cuname.' at '.$cudom.
            ' trying to get diffs file '.$ENV{'form.filename'}.
            '  - not authorized', 
            $r->filename); 
        return HTTP_NOT_ACCEPTABLE;
     }
   
     my $efn=$ENV{'form.filename'};
   
     $efn=~s/\/\~(\w+)//g;
   
   my @f1=();    my @f1=();
   my @f2=();    my @f2=();
   
Line 57  sub handler { Line 99  sub handler {
   $r->print('<body bgcolor="#FFFFFF">');    $r->print('<body bgcolor="#FFFFFF">');
   
       
   $r->print('<h1>Compare versions of <tt>'.$ENV{'form.filename'}.'</tt></h1>');    $r->print('<h1>Compare versions of <tt>'.$efn.'</tt></h1>');
      
          if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
             $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
                  '</font></h3>');
         }
   
   
  if (&Apache::lonnet::fileembstyle(($ENV{'form.filename'}=~/\.(\w+)$/)) eq   if (&Apache::lonnet::fileembstyle(($efn=~/\.(\w+)$/)) eq
       'ssi') {        'ssi') {
   if ($ENV{'form.versionone'} eq 'priv') {    if ($ENV{'form.versionone'} eq 'priv') {
       my $fn='/home/'.$ENV{'user.name'}.'/public_html/'.$ENV{'form.filename'};        my $fn='/home/'.$cuname.'/public_html/'.$efn;
       if (-e $fn) {        if (-e $fn) {
   my $fh=Apache::File->new($fn);    my $fh=Apache::File->new($fn);
           my $line;            my $line;
Line 74  sub handler { Line 122  sub handler {
       $r->print('<h3>Construction Space Version</h3>');        $r->print('<h3>Construction Space Version</h3>');
   } else {    } else {
       my $fn=        my $fn=
        '/home/httpd/html//res/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/';         '/home/httpd/html//res/'.$cudom.'/'.$cuname.'/';
       if ($ENV{'form.versionone'}) {        if ($ENV{'form.versionone'}) {
          my ($main,$suffix)=($ENV{'form.filename'}=~/^(.+)\.(\w+)$/);           my ($main,$suffix)=($efn=~/^(.+)\.(\w+)$/);
          $fn.=$main.'.'.$ENV{'form.versionone'}.'.'.$suffix;           $fn.=$main.'.'.$ENV{'form.versionone'}.'.'.$suffix;
  $r->print('<h3>Version '.$ENV{'form.versionone'}.'</h3>');   $r->print('<h3>Version '.$ENV{'form.versionone'}.'</h3>');
       } else {        } else {
          $fn.=$ENV{'form.filename'};           $fn.=$efn;
  $r->print('<h3>Current Version</h3>');   $r->print('<h3>Current Version</h3>');
       }        }
       @f1=split(/\n/,&Apache::lonnet::getfile($fn));              @f1=split(/\n/,&Apache::lonnet::getfile($fn));      
Line 89  sub handler { Line 137  sub handler {
   $r->print('versus');    $r->print('versus');
   
   if ($ENV{'form.versiontwo'} eq 'priv') {    if ($ENV{'form.versiontwo'} eq 'priv') {
       my $fn='/home/'.$ENV{'user.name'}.'/public_html/'.$ENV{'form.filename'};        my $fn='/home/'.$cuname.'/public_html/'.$efn;
       if (-e $fn) {        if (-e $fn) {
   my $fh=Apache::File->new($fn);    my $fh=Apache::File->new($fn);
           my $line;            my $line;
Line 101  sub handler { Line 149  sub handler {
       $r->print('<h3>Construction Space Version</h3>');        $r->print('<h3>Construction Space Version</h3>');
   } else {    } else {
       my $fn=        my $fn=
        '/home/httpd/html/res/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/';         '/home/httpd/html/res/'.$cudom.'/'.$cuname.'/';
       if ($ENV{'form.versiontwo'}) {        if ($ENV{'form.versiontwo'}) {
          my ($main,$suffix)=($ENV{'form.filename'}=~/^(.+)\.(\w+)$/);           my ($main,$suffix)=($efn=~/^(.+)\.(\w+)$/);
          $fn.=$main.'.'.$ENV{'form.versiontwo'}.'.'.$suffix;           $fn.=$main.'.'.$ENV{'form.versiontwo'}.'.'.$suffix;
  $r->print('<h3>Version '.$ENV{'form.versiontwo'}.'</h3>');   $r->print('<h3>Version '.$ENV{'form.versiontwo'}.'</h3>');
       } else {        } else {
          $fn.=$ENV{'form.filename'};           $fn.=$efn;
  $r->print('<h3>Current Version</h3>');   $r->print('<h3>Current Version</h3>');
       }        }
       @f2=split(/\n/,&Apache::lonnet::getfile($fn));              @f2=split(/\n/,&Apache::lonnet::getfile($fn));      
Removed from v.1.4  
changed lines
  Added in v.1.6

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