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73 lines
2.8 KiB
PHP
73 lines
2.8 KiB
PHP
<?
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authorize();
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if(!check_perms('torrents_edit')) { error(403); }
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$ArtistID = $_POST['artistid'];
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$Redirect = $_POST['redirect'];
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$AliasName = Artists::normalise_artist_name($_POST['name']);
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$DBAliasName = db_string($AliasName);
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if(!$Redirect) { $Redirect = 0; }
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if(!is_number($ArtistID) || !($Redirect === 0 || is_number($Redirect)) || !$ArtistID) {
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error(0);
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}
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if($AliasName == '') {
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error('Blank artist name.');
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}
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/*
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* In the case of foo, who released an album before changing his name to bar and releasing another
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* the field shared to make them appear on the same artist page is the ArtistID
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* 1. For a normal artist, there'll be one entry, with the ArtistID, the same name as the artist and a 0 redirect
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* 2. For Celine Dion (C<>line Dion), there's two, same ArtistID, diff Names, one has a redirect to the alias of the first
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* 3. For foo, there's two, same ArtistID, diff names, no redirect
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*/
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$DB->query("SELECT AliasID, ArtistID, Name, Redirect FROM artists_alias WHERE Name = '".$DBAliasName."'");
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if($DB->record_count()) {
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while(list($CloneAliasID, $CloneArtistID, $CloneAliasName, $CloneRedirect) = $DB->next_record(MYSQLI_NUM, false)) {
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if(!strcasecmp($CloneAliasName, $AliasName)) {
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break;
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}
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}
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if($CloneAliasID) {
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if($ArtistID == $CloneArtistID && $Redirect == 0) {
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if($CloneRedirect != 0) {
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$DB->query("UPDATE artists_alias SET ArtistID='".$ArtistID."', Redirect=0 WHERE AliasID='".$CloneAliasID."'");
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Misc::write_log("Redirection for the alias $CloneAliasID ($DBAliasName) for the artist $ArtistID was removed by user $LoggedUser[ID] ($LoggedUser[Username])");
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} else {
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error('No changes were made as the target alias did not redirect anywhere.');
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}
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} else {
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error('An alias by that name already exists <a href="artist.php?id='.$CloneArtistID.'">here</a>. You can try renaming that artist to this one.');
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}
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}
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}
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if(!$CloneAliasID) {
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if($Redirect) {
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$DB->query("SELECT ArtistID, Redirect FROM artists_alias WHERE AliasID = $Redirect");
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if(!$DB->record_count()) {
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error('Cannot redirect to a nonexistent artist alias.');
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}
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list($FoundArtistID, $FoundRedirect) = $DB->next_record();
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if($ArtistID != $FoundArtistID) {
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error('Redirection must target an alias for the current artist.');
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}
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if($FoundRedirect != 0) {
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$Redirect = $FoundRedirect;
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}
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}
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$DB->query("INSERT INTO artists_alias(ArtistID, Name, Redirect, UserID)
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VALUES
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(".$ArtistID.", '".$DBAliasName."', ".$Redirect.", ".$LoggedUser['ID'].")");
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$AliasID = $DB->inserted_id();
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$DB->query("SELECT Name FROM artists_group WHERE ArtistID = ".$ArtistID);
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list($ArtistName) = $DB->next_record(MYSQLI_NUM, false);
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Misc::write_log("The alias ".$AliasID." (".$DBAliasName.") was added to the artist ".$ArtistID." (".db_string($ArtistName).") by user ".$LoggedUser['ID']." (".$LoggedUser['Username'].")");
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}
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header('Location: '.$_SERVER['HTTP_REFERER']);
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?>
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