# http://www.mediawiki.org/
#
# 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.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# http://www.gnu.org/copyleft/gpl.html
class Validation
{
function find_this_version ( $article_title , &$article_time , &$id , &$tab )
{
$id = "" ;
$tab = "" ;
$sql = "SELECT cur_id,cur_timestamp FROM cur WHERE cur_namespace=0 AND cur_title='{$article_title}'" ;
$res = wfQuery( $sql, DB_READ );
if( $s = wfFetchObject( $res ) )
{
if ( $article_time == "" ) $article_time = $s->cur_timestamp ; # No timestamp = current version
if ( $article_time == $s->cur_timestamp ) # Means current version
{
$tab = "cur" ;
$id = $s->cur_id ;
}
}
if ( $id == "" )
{
$sql = "SELECT old_id FROM old WHERE old_namespace=0 AND old_title='{$article_title}' AND old_timestamp='{$article_time}'" ;
$res = wfQuery( $sql, DB_READ );
if( $s = wfFetchObject( $res ) )
{
$tab = "old" ;
$id = $s->old_id ;
}
}
}
function get_prev_data ( $user_id , $article_title , $article_timestamp = "" )
{
$ret = array () ;
$sql = "SELECT * FROM validate WHERE val_user='{$user_id}' AND val_title='{$article_title}'" ;
if ( $article_timestamp != "" ) $sql .= " AND val_timestamp='{$article_timestamp}'" ;
$res = wfQuery( $sql, DB_READ );
while( $s = wfFetchObject( $res ) ) $ret[$s->val_timestamp][$s->val_type] = $s ;
return $ret ;
}
function validate_form ( $article_title = "" )
{
global $wgOut, $wgLang, $wgUser;
if ( $wgUser->getID() == 0 ) # Anon
{
$wgOut->addHTML ( wfMsg ( 'val_no_anon_validation' ) . $this->getPageStatistics ( $article_title ) ) ;
return ;
}
$validationtypes = $wgLang->getValidationTypes() ;
if ( $article_title == "" )
{
$article_title = $_GET['article_title'] ;
$heading = "
" . $article_title . "
\n" ;
}
else $heading = "" ;
$article_time = "" ;
if ( isset ( $_GET['timestamp'] ) ) $article_time = $_GET['timestamp'] ;
else $article_time = "" ;
$article = Title::newFromText ( $article_title ) ;
# Now we get all the "votes" for the different versions of this article for this user
$val = $this->get_prev_data ( $wgUser->getID() , $article_title ) ;
# No votes for this version, initial data
if ( !isset ( $val[$article_time] ) )
{
if ( $article_time == "" )
{
$res = wfQuery( "select cur_timestamp FROM cur WHERE cur_title=\"{$article_title}\" AND cur_namespace=0", DB_READ );
if ( $s = wfFetchObject( $res ) ) $article_time = $s->cur_timestamp ;
}
$val[$article_time] = array () ;
}
krsort ( $val ) ; # Newest versions first
# User has clicked "Doit" before, so evaluate form
if ( isset ( $_POST['doit'] ) )
{
$oldtime = $_POST['oldtime'] ;
if ( !isset ( $val["{$oldtime}"] ) ) $val["{$oldtime}"] = array () ;
# Reading postdata
$postrad = array () ;
$poscomment = array () ;
for ( $idx = 0 ; $idx < count ( $validationtypes) ; $idx++ )
{
$postrad[$idx] = $_POST["rad{$idx}"] ;
$postcomment[$idx] = $_POST["comment{$idx}"] ;
}
# Merge others into this one
if ( isset ( $_POST['merge_other'] ) && $_POST['merge_other'] == 1 )
{
foreach ( $val AS $time => $stuff )
{
if ( $time <> $article_time )
{
for ( $idx = 0 ; $idx < count ( $validationtypes) ; $idx++ )
{
$rad = $postrad[$idx] ;
if ( isset ( $stuff[$idx] ) AND $stuff[$idx]->val_value != -1 AND $rad == -1 )
{
$postrad[$idx] = $stuff[$idx]->val_value ;
$postcomment[$idx] = $stuff[$idx]->val_comment ;
}
}
}
}
}
# Clear all others
if ( isset ( $_POST['clear_other'] ) && $_POST['clear_other'] == 1 )
{
$sql = "DELETE FROM validate WHERE val_title='{$article_title}' AND val_timestamp<>'{$oldtime}' AND val_user='" ;
$sql .= $wgUser->getID() . "'" ;
wfQuery( $sql, DB_WRITE );
$val2 = $val["{$oldtime}"] ; # Only version left
$val = array () ; # So clear others
$val["{$oldtime}"] = $val2 ;
}
# Delete old "votes" for this version
$sql = "DELETE FROM validate WHERE val_title='{$article_title}' AND val_timestamp='{$oldtime}' AND val_user='" ;
$sql .= $wgUser->getID() . "'" ;
wfQuery( $sql, DB_WRITE );
# Incorporate changes
for ( $idx = 0 ; $idx < count ( $validationtypes) ; $idx++ ) # Changes
{
$comment = $postcomment[$idx] ;
$comment_sql = str_replace ( "'" , "\'" , $comment ) ;
$rad = $postrad[$idx] ;
if ( !isset ( $val["{$oldtime}"][$idx] ) ) $val["{$oldtime}"][$idx] = "" ;
$val["{$oldtime}"][$idx]->val_value = $rad ;
$val["{$oldtime}"][$idx]->val_comment = $comment ;
if ( $rad != -1 )
{
# Store it in the database
$sql = "INSERT INTO validate (val_user,val_title,val_timestamp,val_type,val_value,val_comment) " .
"VALUES ( '" . $wgUser->getID() . "','{$article_title}','{$oldtime}','{$idx}','{$rad}','{$comment_sql}')" ;
if ( $rad != -1 ) wfQuery( $sql, DB_WRITE );
}
}
}
# Generating HTML
$html = "" ;
$skin = $wgUser->getSkin() ;
$staturl = $skin->makeSpecialURL ( "validate" , "mode=stat_page&article_title={$article_title}" ) ;
$html .= "" . wfMsg('val_stat_link_text') . "
\n" ;
$html .= "" . wfMsg('val_form_note') . "
\n" ;
# Generating data tables
$tabsep = " | " ;
$topstyle = "style='border-top:2px solid black'" ;
foreach ( $val AS $time => $stuff )
{
$tablestyle = "cellspacing=0 cellpadding=2" ;
if ( $article_time == $time ) $tablestyle .=" style='border: 2px solid red'" ;
$html .= "" . wfMsg( 'val_version_of', gmdate( "F d, Y H:i:s", wfTimestamp2Unix( $time ) ) ) ;
$this->find_this_version ( $article_title , $time , $table_id , $table_name ) ;
if ( $table_name == "cur" ) $html .= " (" . wfMsg ( 'val_this_is_current_version' ) . ")" ;
$html .= "
\n" ;
$html .= "\n" ;
}
global $wgArticle ;
$html .= "" . wfMsg ( 'preview' ) . "
" ;
$wgOut->addHTML ( $html ) ;
$wgOut->addWikiText ( $wgArticle->getContent( true ) ) ;
}
function getData ( $user = -1 , $title = "" , $type = -1 )
{
$ret = array () ;
$sql = array () ;
if ( $user != -1 ) $sql[] = "val_user='{$user}'" ;
if ( $type != -1 ) $sql[] = "val_type='{$type}'" ;
if ( $title != "" ) $sql[] = "val_title='{$title}'" ;
$sql = implode ( " AND " , $sql ) ;
if ( $sql != "" ) $sql = " WHERE " . $sql ;
$sql = "SELECT * FROM validate" . $sql ;
$res = wfQuery( $sql, DB_READ );
while( $s = wfFetchObject( $res ) ) $ret["{$s->val_title}"]["{$s->val_timestamp}"]["{$s->val_type}"][] = $s ;
return $ret ;
}
# Show statistics for the different versions of a single article
function getPageStatistics ( $article_title = "" )
{
global $wgLang, $wgUser ;
$validationtypes = $wgLang->getValidationTypes() ;
if ( $article_title == "" ) $article_title = $_GET['article_title'] ;
$d = $this->getData ( -1 , $article_title , -1 ) ;
if ( count ( $d ) ) $d = array_shift ( $d ) ;
else $d = array () ;
krsort ( $d ) ;
# Getting table data (cur_id, old_id etc.) for each version
$table_id = array() ;
$table_name = array() ;
foreach ( $d AS $version => $data )
{
$this->find_this_version ( $article_title , $version , $table_id[$version] , $table_name[$version] ) ;
}
# Generating HTML
$html = "Page validation statistics
\n" ;
$html .= "\n" ;
$html .= "" . wfMsg('val_version') . " | " ;
foreach ( $validationtypes AS $idx => $title )
{
$title = explode ( "|" , $title ) ;
$html .= "{$title[0]} | " ;
}
$html .= "" . wfMsg('val_total') . " | " ;
$html .= "
\n" ;
foreach ( $d AS $version => $data )
{
# Preamble for this version
$title = Title::newFromDBkey ( $article_title ) ;
$version_date = gmdate("F d, Y H:i:s",wfTimestamp2Unix($version)) ;
$version_validate_link = $title->getLocalURL( "action=validate×tamp={$version}" ) ;
$version_validate_link = "" . wfMsg('val_validate_version') . "" ;
if ( $table_name[$version] == 'cur' ) $version_view_link = $title->getLocalURL( "" ) ;
else $version_view_link = $title->getLocalURL( "oldid={$table_id[$version]}" ) ;
$version_view_link = "" . wfMsg('val_view_version') . "" ;
$html .= "" ;
$html .= "{$version_date} {$version_view_link} {$version_validate_link} | " ;
# Individual data
$vmax = array() ;
$vcur = array() ;
$users = array() ;
foreach ( $data AS $type => $x2 )
{
if ( !isset ( $vcur[$type] ) ) $vcur[$type] = 0 ;
if ( !isset ( $vmax[$type] ) ) $vmax[$type] = 0 ;
if ( !isset ( $users[$type] ) ) $users[$type] = 0 ;
foreach ( $x2 AS $user => $x )
{
$vcur[$type] += $x->val_value ;
$temp = explode ( "|" , $validationtypes[$type]) ;
$vmax[$type] += $temp[3] - 1 ;
$users[$type] += 1 ;
}
}
$total_count = 0 ;
$total_percent = 0 ;
foreach ( $validationtypes AS $idx => $title )
{
if ( isset ( $vcur[$idx] ) )
{
$average = 100 * $vcur[$idx] / $vmax[$idx] ;
$total_count += 1 ;
$total_percent += $average ;
if ( $users[$idx] > 1 ) $msgid = "val_percent" ;
else $msgid = "val_percent_single" ;
$html .= "" .
wfMsg ( $msgid, number_format ( $average , 2 ) ,
$vcur[$idx] , $vmax[$idx] , $users[$idx] ) ;
}
else
{
$html .= " | " ;
$html .= "(" . wfMsg ( "val_noop" ) . ")" ;
}
$html .= " | " ;
}
if ( $total_count > 0 )
{
$total = $total_percent / $total_count ;
$total = number_format ( $total , 2 ) . " %" ;
}
else $total = "" ;
$html .= "{$total} | " ;
$html .= "
" ;
}
$html .= "
\n" ;
return $html ;
}
function countUserValidations ( $userid )
{
$sql = "SELECT count(DISTINCT val_title) AS num FROM validate WHERE val_user={$userid}" ;
$res = wfQuery( $sql, DB_READ );
if ( $s = wfFetchObject( $res ) ) $num = $s->num ;
else $num = 0 ;
return $num ;
}
}
function wfSpecialValidate( $page = "" )
{
global $wgOut ;
if ( isset ( $_GET['mode'] ) ) $mode = $_GET['mode'] ;
else $mode = "form" ;
$v = new Validation ;
$html = "" ;
if ( $mode == "form" )
{
$html = $v->validate_form () ;
}
else if ( $mode == "stat_page" )
{
$html = $v->getPageStatistics () ;
}
$wgOut->addHTML( $html ) ;
}
?>