gnu-social/scripts/remove_duplicate_file_urls.php

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#!/usr/bin/env php
<?php
/*
* StatusNet - a distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
define('INSTALLDIR', dirname(__DIR__));
define('PUBLICDIR', INSTALLDIR . DIRECTORY_SEPARATOR . 'public');
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$shortoptions = 'y';
$longoptions = array('yes');
$helptext = <<<END_OF_HELP
remove_duplicate_file_urls.php [options]
Remove duplicate URL entries in the file and file_redirection tables because they for some reason were not unique.
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-y --yes do not wait for confirmation
END_OF_HELP;
require_once INSTALLDIR.'/scripts/commandline.inc';
if (!have_option('y', 'yes')) {
print "About to remove duplicate URL entries in file and file_redirection tables. Are you sure? [y/N] ";
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$response = fgets(STDIN);
if (strtolower(trim($response)) != 'y') {
print "Aborting.\n";
exit(0);
}
}
$file = new File();
$file->query('SELECT id, url, COUNT(*) AS c FROM file GROUP BY url HAVING c > 1');
print "\nFound {$file->N} URLs with duplicate entries in file table";
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while ($file->fetch()) {
// We've got a URL that is duplicated in the file table
$dupfile = new File();
$dupfile->url = $file->url;
if ($dupfile->find(true)) {
print "\nDeleting duplicate entries in file table for URL: {$file->url} [";
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// Leave one of the URLs in the database by using ->find(true)
// and only deleting starting with this fetch.
while($dupfile->fetch()) {
print ".";
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$dupfile->delete();
}
print "]\n";
} else {
print "\nWarning! URL suddenly disappeared from database: {$file->url}\n";
}
}
$file = new File_redirection();
$file->query('SELECT file_id, url, COUNT(*) AS c FROM file_redirection GROUP BY url HAVING c > 1');
print "\nFound {$file->N} URLs with duplicate entries in file_redirection table";
while ($file->fetch()) {
// We've got a URL that is duplicated in the file_redirection table
$dupfile = new File_redirection();
$dupfile->url = $file->url;
if ($dupfile->find(true)) {
print "\nDeleting duplicate entries in file table for URL: {$file->url} [";
// Leave one of the URLs in the database by using ->find(true)
// and only deleting starting with this fetch.
while($dupfile->fetch()) {
print ".";
$dupfile->delete();
}
print "]\n";
} else {
print "\nWarning! URL suddenly disappeared from database: {$file->url}\n";
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}
}
print "\nDONE.\n";