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< ?
if ( ! check_perms ( 'torrents_edit' )) { error ( 403 ); }
$GroupID = $_POST [ 'groupid' ];
$OldGroupID = $GroupID ;
$NewGroupID = db_string ( $_POST [ 'targetgroupid' ]);
if ( ! $GroupID || ! is_number ( $GroupID )) { error ( 404 ); }
if ( ! $NewGroupID || ! is_number ( $NewGroupID )) { error ( 404 ); }
if ( $NewGroupID == $GroupID ) {
error ( 'Old group ID is the same as new group ID!' );
}
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$DB -> query ( " SELECT CategoryID, Name FROM torrents_group WHERE ID=' $NewGroupID ' " );
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if ( $DB -> record_count () == 0 ) {
error ( 'Target group does not exist.' );
}
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list ( $CategoryID , $NewName ) = $DB -> next_record ();
if ( $Categories [ $CategoryID - 1 ] != 'Music' ) {
error ( 'Only music groups can be merged.' );
}
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$DB -> query ( " SELECT Name FROM torrents_group WHERE ID = " . $GroupID );
list ( $Name ) = $DB -> next_record ();
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//Everything is legit, let's just confim they're not retarded
if ( empty ( $_POST [ 'confirm' ])) {
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$Artists = Artists :: get_artists ( array ( $GroupID , $NewGroupID ));
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View :: show_header ();
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?>
< div class = " center thin " >
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< div class = " header " >
< h2 > Merge Confirm !</ h2 >
</ div >
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< div class = " box pad " >
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< form class = " confirm_form " name = " torrent_group " action = " torrents.php " method = " post " >
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< input type = " hidden " name = " action " value = " merge " />
< input type = " hidden " name = " auth " value = " <?= $LoggedUser['AuthKey'] ?> " />
< input type = " hidden " name = " confirm " value = " true " />
< input type = " hidden " name = " groupid " value = " <?= $GroupID ?> " />
< input type = " hidden " name = " targetgroupid " value = " <?= $NewGroupID ?> " />
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< h3 > You are attempting to merge the group :</ h3 >
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< ul >< li >< ? = Artists :: display_artists ( $Artists [ $GroupID ], true , false ) ?> - <a href="torrents.php?id=<?=$GroupID?>"><?=$Name?></a></li></ul>
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< h3 > Into the group :</ h3 >
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< ul >< li >< ? = Artists :: display_artists ( $Artists [ $NewGroupID ], true , false ) ?> - <a href="torrents.php?id=<?=$NewGroupID?>"><?=$NewName?></a></li></ul>
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< input type = " submit " value = " Confirm " />
</ form >
</ div >
</ div >
< ?
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View :: show_footer ();
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} else {
authorize ();
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// Votes ninjutsu. This is so annoyingly complicated.
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// 1. Get a list of everybody who voted on the old group and clear their cache keys
$DB -> query ( " SELECT UserID FROM users_votes WHERE GroupID=' $GroupID ' " );
while ( list ( $UserID ) = $DB -> next_record ()) {
$Cache -> delete_value ( 'voted_albums_' . $UserID );
}
// 2. Update the existing votes where possible, clear out the duplicates left by key
// conflicts, and update the torrents_votes table
$DB -> query ( " UPDATE IGNORE users_votes SET GroupID=' $NewGroupID ' WHERE GroupID=' $GroupID ' " );
$DB -> query ( " DELETE FROM users_votes WHERE GroupID=' $GroupID ' " );
$DB -> query ( " INSERT INTO torrents_votes (GroupID, Ups, Total, Score)
SELECT $NewGroupID , UpVotes , TotalVotes , VoteScore
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FROM ( SELECT IFNULL ( SUM ( IF ( Type = 'Up' , 1 , 0 )), 0 ) As UpVotes ,
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COUNT ( 1 ) AS TotalVotes ,
binomial_ci ( IFNULL ( SUM ( IF ( Type = 'Up' , 1 , 0 )), 0 ), COUNT ( 1 )) AS VoteScore
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FROM users_votes
WHERE GroupID = $NewGroupID
GROUP BY GroupID ) AS a
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ON DUPLICATE KEY UPDATE
Ups = a . UpVotes ,
Total = a . TotalVotes ,
Score = a . VoteScore ; " );
// 3. Clear the votes_pairs keys!
$DB -> query ( " SELECT v2.GroupID
FROM users_votes AS v1
INNER JOIN users_votes AS v2 USING ( UserID )
WHERE ( v1 . Type = 'Up' OR v2 . Type = 'Up' )
AND ( v1 . GroupID IN ( $GroupID , $NewGroupID ))
AND ( v2 . GroupID NOT IN ( $GroupID , $NewGroupID )); " );
while ( list ( $CacheGroupID ) = $DB -> next_record ()) {
$Cache -> delete_value ( 'vote_pairs_' . $CacheGroupID );
}
// 4. Clear the new groups vote keys
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$DB -> query ( " UPDATE torrents SET GroupID=' $NewGroupID ' WHERE GroupID=' $GroupID ' " );
$DB -> query ( " UPDATE wiki_torrents SET PageID=' $NewGroupID ' WHERE PageID=' $GroupID ' " );
$DB -> query ( " UPDATE torrents_comments SET GroupID=' $NewGroupID ' WHERE GroupID=' $GroupID ' " );
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Torrents :: delete_group ( $GroupID );
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Torrents :: write_group_log ( $NewGroupID , 0 , $LoggedUser [ 'ID' ], " Merged Group " . $GroupID . " ( " . $Name . " ) to " . $NewGroupID . " ( " . $NewName . " ) " , 0 );
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$DB -> query ( " UPDATE group_log SET GroupID = " . $NewGroupID . " WHERE GroupID = " . $GroupID );
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$GroupID = $NewGroupID ;
//Collages
$DB -> query ( " SELECT CollageID FROM collages_torrents WHERE GroupID=' $OldGroupID ' " ); //Select all collages that contain edited group
while ( list ( $CollageID ) = $DB -> next_record ()) {
$DB -> query ( " UPDATE IGNORE collages_torrents SET GroupID=' $NewGroupID ' WHERE GroupID=' $OldGroupID ' AND CollageID=' $CollageID ' " ); //Change collage groupid to new ID
$DB -> query ( " DELETE FROM collages_torrents WHERE GroupID=' $OldGroupID ' AND CollageID=' $CollageID ' " );
$Cache -> delete_value ( 'collage_' . $CollageID );
}
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//Requests
$DB -> query ( " SELECT ID FROM requests WHERE GroupID=' $OldGroupID ' " );
$Requests = $DB -> collect ( 'ID' );
$DB -> query ( " UPDATE requests SET GroupID = 'NewGroupID' WHERE GroupID = ' $OldGroupID ' " );
foreach ( $Requests as $RequestID ) {
$Cache -> delete_value ( 'request_' . $RequestID );
}
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$DB -> query ( " SELECT ID FROM torrents WHERE GroupID=' $OldGroupID ' " );
while ( list ( $TorrentID ) = $DB -> next_record ()) {
$Cache -> delete_value ( 'torrent_download_' . $TorrentID );
}
$Cache -> delete_value ( 'torrents_details_' . $GroupID );
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$Cache -> delete_value ( 'torrent_comments_' . $GroupID . '_catalogue_0' );
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$Cache -> delete_value ( 'torrent_comments_' . $GroupID );
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$Cache -> delete_value ( 'groups_artists_' . $GroupID );
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Torrents :: update_hash ( $GroupID );
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header ( 'Location: torrents.php?id=' . $GroupID );
}
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?>