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91 lines
2.9 KiB
PHP
91 lines
2.9 KiB
PHP
<?
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authorize();
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if (!check_perms('torrents_edit')) {
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error(403);
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}
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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) {
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$Redirect = 0;
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}
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if (!is_number($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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$DB->query("
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SELECT AliasID, ArtistID, Name, Redirect
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FROM artists_alias
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WHERE Name = '$DBAliasName'");
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if ($DB->has_results()) {
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while (list($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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$DB->query("
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UPDATE artists_alias
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SET ArtistID = '$ArtistID', Redirect = 0
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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("
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SELECT ArtistID, Redirect
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FROM artists_alias
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WHERE AliasID = $Redirect");
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if (!$DB->has_results()) {
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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("
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INSERT INTO artists_alias
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(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("
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SELECT Name
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FROM artists_group
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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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