#!/usr/bin/perl
#
#
# TWiki WikiClone (see wiki.pm for $wikiversion and other info)
#
# Copyright (C) 1999-2001 Peter Thoeny, peter@thoeny.com
#
# This program 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.
#
# This program 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, published at 
# http://www.gnu.org/copyleft/gpl.html

# Set library paths in @INC, at compile time
BEGIN { unshift @INC, '.'; require 'setlib.cfg' }

use TWiki;

sub showArgs
{
   print "usage:\n";
   print "   upgradeformat <web> <topic>\n";
   print "   upgradeformat <web>\n";
   print "   upgradeformat all - upgrades all webs\n";
}

my $theRemoteUser = "guest";

&TWiki::initialize( "", $theRemoteUser, "", "", "" );

if ( $#ARGV == 1 ) {
   upgradeTopic( $ARGV[0], $ARGV[1], "log" );
} elsif ( $#ARGV == 0 ) {
   if( $ARGV[0] eq "all" ) {
       my @webs = TWiki::Store::getAllWebs();
       foreach my $web ( @webs ) {
           my @topics = TWiki::Store::getTopicNames( $web );
           foreach my $topic ( @topics ) {
               upgradeTopic( $web, $topic, "log" );
           }
       }
   } else {
       # Change all topics in a specific WEB
       my @topics = TWiki::Store::getTopicNames( $ARGV[0] );
       my $topic;
       foreach $topic ( @topics ) {
	   upgradeTopic( $ARGV[0], $topic, "log" );
       }
   }
} else {
   print "Wrong number of arguments\n";
   showArgs();
   exit( 1 );
}




#=========================
sub upgradeTopic
{
   my ( $theWeb, $theTopic, $doLogToStdOut ) = @_;
   
   my( $meta, $text ) = TWiki::Store::readTopic( $theWeb, $theTopic );
   my %info = $meta->findOne( "TOPICINFO" );
   my $format = $info{"format"};
   if( $format ne $TWiki::formatVersion ) {
       my ( $dontLogSave, $doUnlock, $dontNotify ) = ( "", "1", "1" );
       my $error = TWiki::Store::saveNew( $theWeb, $theTopic, $text, $meta, "", "", $dontLogSave, $doUnlock, $dontNotify, "upgraded format" );
       if ( $error ) {
	  print "upgradeformat: error from save: $error of $theWeb.$theTopic\n";
       }
       if ( $doLogToStdOut ) {
	  print "Updaded format for $theWeb.$theTopic from \"$format\" to \"$TWiki::formatVersion\"\n";
       }
   }
}