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This commit is contained in:
Chris Sewell
511
lib/symfony/i18n/sfMessageSource_MySQL.class.php
Executable file
511
lib/symfony/i18n/sfMessageSource_MySQL.class.php
Executable file
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<?php
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/**
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* sfMessageSource_MySQL class file.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the BSD License.
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*
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* Copyright(c) 2004 by Qiang Xue. All rights reserved.
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*
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* To contact the author write to {@link mailto:qiang.xue@gmail.com Qiang Xue}
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* The latest version of PRADO can be obtained from:
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* {@link http://prado.sourceforge.net/}
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*
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* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
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* @version $Id: sfMessageSource_MySQL.class.php 4340 2007-06-23 06:47:05Z fabien $
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* @package symfony
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* @subpackage i18n
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*/
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/**
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* Get the I18N utility file, contains the DSN parser.
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*/
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require_once(dirname(__FILE__).'/util.php');
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/**
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* sfMessageSource_MySQL class.
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*
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* Retrieve the message translation from a MySQL database.
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*
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* See the MessageSource::factory() method to instantiate this class.
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*
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* MySQL schema:
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*
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* CREATE TABLE `catalogue` (
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* `cat_id` int(11) NOT NULL auto_increment,
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* `name` varchar(100) NOT NULL default '',
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* `source_lang` varchar(100) NOT NULL default '',
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* `target_lang` varchar(100) NOT NULL default '',
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* `date_created` int(11) NOT NULL default '0',
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* `date_modified` int(11) NOT NULL default '0',
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* `author` varchar(255) NOT NULL default '',
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* PRIMARY KEY (`cat_id`)
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* ) TYPE=InnoDB;
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*
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* CREATE TABLE `trans_unit` (
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* `msg_id` int(11) NOT NULL auto_increment,
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* `cat_id` int(11) NOT NULL default '1',
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* `id` varchar(255) NOT NULL default '',
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* `source` text NOT NULL,
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* `target` text NOT NULL,
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* `comments` text NOT NULL,
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* `date_added` int(11) NOT NULL default '0',
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* `date_modified` int(11) NOT NULL default '0',
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* `author` varchar(255) NOT NULL default '',
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* `translated` tinyint(1) NOT NULL default '0',
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* PRIMARY KEY (`msg_id`)
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* ) TYPE=InnoDB;
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*
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* Propel schema (in .xml format):
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*
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* <database ...>
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* ...
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* <table name="catalogue">
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* <column name="cat_id" type="integer" required="true" primaryKey="true" autoincrement="true" />
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* <column name="name" type="varchar" size="100" />
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* <column name="source_lang" type="varchar" size="100" />
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* <column name="target_lang" type="varchar" size="100" />
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* <column name="date_created" type="timestamp" />
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* <column name="date_modified" type="timestamp" />
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* <column name="author" type="varchar" size="255" />
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* </table>
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*
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* <table name="trans_unit">
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* <column name="msg_id" type="integer" required="true" primaryKey="true" autoincrement="true" />
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* <column name="cat_id" type="integer" />
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* <foreign-key foreignTable="catalogue" onDelete="cascade">
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* <reference local="cat_id" foreign="cat_id"/>
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* </foreign-key>
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* <column name="id" type="varchar" size="255" />
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* <column name="source" type="longvarchar" />
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* <column name="target" type="longvarchar" />
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* <column name="comments" type="longvarchar" />
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* <column name="date_created" type="timestamp" />
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* <column name="date_modified" type="timestamp" />
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* <column name="author" type="varchar" size="255" />
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* <column name="translated" type="integer" />
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* </table>
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* ...
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* </database>
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*
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* @author Xiang Wei Zhuo <weizhuo[at]gmail[dot]com>
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* @version v1.0, last update on Fri Dec 24 16:58:58 EST 2004
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* @package System.I18N.core
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*/
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class sfMessageSource_MySQL extends sfMessageSource
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{
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/**
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* The datasource string, full DSN to the database.
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* @var string
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*/
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protected $source;
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/**
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* The DSN array property, parsed by PEAR's DB DSN parser.
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* @var array
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*/
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protected $dsn;
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/**
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* A resource link to the database
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* @var db
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*/
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protected $db;
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/**
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* Constructor.
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* Creates a new message source using MySQL.
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*
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* @param string MySQL datasource, in PEAR's DB DSN format.
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* @see MessageSource::factory();
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*/
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function __construct($source)
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{
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$this->source = (string) $source;
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$this->dsn = parseDSN($this->source);
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$this->db = $this->connect();
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}
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/**
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* Destructor, closes the database connection.
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*/
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function __destruct()
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{
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@mysql_close($this->db);
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}
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/**
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* Connects to the MySQL datasource
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*
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* @return resource MySQL connection.
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* @throws sfException, connection and database errors.
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*/
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protected function connect()
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{
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$dsninfo = $this->dsn;
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if (isset($dsninfo['protocol']) && $dsninfo['protocol'] == 'unix')
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{
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$dbhost = ':'.$dsninfo['socket'];
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}
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else
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{
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$dbhost = $dsninfo['hostspec'] ? $dsninfo['hostspec'] : 'localhost';
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if (!empty($dsninfo['port']))
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{
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$dbhost = ':' . $dsninfo['socket'];
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}
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}
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$user = $dsninfo['username'];
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$pw = $dsninfo['password'];
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$connect_function = 'mysql_connect';
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if ($dbhost && $user && $pw)
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{
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$conn = @$connect_function($dbhost, $user, $pw);
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}
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elseif ($dbhost && $user)
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{
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$conn = @$connect_function($dbhost, $user);
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}
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elseif ($dbhost)
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{
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$conn = @$connect_function($dbhost);
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}
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else
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{
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$conn = false;
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}
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if (empty($conn))
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{
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throw new sfException(sprintf('Error in connecting to %s.', $dsninfo));
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}
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if ($dsninfo['database'])
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{
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if (!@mysql_select_db($dsninfo['database'], $conn))
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{
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throw new sfException(sprintf('Error in connecting database, dsn: %s.', $dsninfo));
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}
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}
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else
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{
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throw new sfException('Please provide a database for message translation.');
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}
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return $conn;
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}
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/**
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* Gets the database connection.
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*
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* @return db database connection.
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*/
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public function connection()
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{
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return $this->db;
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}
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/**
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* Gets an array of messages for a particular catalogue and cultural variant.
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*
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* @param string the catalogue name + variant
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* @return array translation messages.
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*/
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protected function &loadData($variant)
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{
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$variant = mysql_real_escape_string($variant, $this->db);
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$statement =
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"SELECT t.id, t.source, t.target, t.comments
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FROM trans_unit t, catalogue c
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WHERE c.cat_id = t.cat_id
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AND c.name = '{$variant}'
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ORDER BY id ASC";
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$rs = mysql_query($statement, $this->db);
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$result = array();
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while ($row = mysql_fetch_array($rs, MYSQL_NUM))
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{
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$source = $row[1];
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$result[$source][] = $row[2]; //target
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$result[$source][] = $row[0]; //id
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$result[$source][] = $row[3]; //comments
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}
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return $result;
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}
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/**
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* Gets the last modified unix-time for this particular catalogue+variant.
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* We need to query the database to get the date_modified.
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*
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* @param string catalogue+variant
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* @return int last modified in unix-time format.
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*/
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protected function getLastModified($source)
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{
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$source = mysql_real_escape_string($source, $this->db);
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$rs = mysql_query("SELECT date_modified FROM catalogue WHERE name = '{$source}'", $this->db);
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$result = $rs ? intval(mysql_result($rs, 0)) : 0;
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return $result;
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}
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/**
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* Checks if a particular catalogue+variant exists in the database.
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*
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* @param string catalogue+variant
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* @return boolean true if the catalogue+variant is in the database, false otherwise.
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*/
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protected function isValidSource($variant)
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{
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$variant = mysql_real_escape_string ($variant, $this->db);
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$rs = mysql_query("SELECT COUNT(*) FROM catalogue WHERE name = '{$variant}'", $this->db);
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$row = mysql_fetch_array($rs, MYSQL_NUM);
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$result = $row && $row[0] == '1';
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return $result;
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}
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/**
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* Gets all the variants of a particular catalogue.
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*
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* @param string catalogue name
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* @return array list of all variants for this catalogue.
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*/
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protected function getCatalogueList($catalogue)
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{
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$variants = explode('_', $this->culture);
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$catalogues = array($catalogue);
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$variant = null;
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for ($i = 0, $max = count($variants); $i < $max; $i++)
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{
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if (strlen($variants[$i]) > 0)
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{
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$variant .= $variant ? '_'.$variants[$i] : $variants[$i];
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$catalogues[] = $catalogue.'.'.$variant;
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}
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}
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return array_reverse($catalogues);
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}
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/**
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* Retrieves catalogue details, array($cat_id, $variant, $count).
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*
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* @param string catalogue
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* @return array catalogue details, array($cat_id, $variant, $count).
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*/
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protected function getCatalogueDetails($catalogue = 'messages')
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{
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if (empty($catalogue))
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{
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$catalogue = 'messages';
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}
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$variant = $catalogue.'.'.$this->culture;
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$name = mysql_real_escape_string($this->getSource($variant), $this->db);
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$rs = mysql_query("SELECT cat_id FROM catalogue WHERE name = '{$name}'", $this->db);
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if (mysql_num_rows($rs) != 1)
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{
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return false;
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}
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$cat_id = intval(mysql_result($rs, 0));
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// first get the catalogue ID
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$rs = mysql_query("SELECT COUNT(*) FROM trans_unit WHERE cat_id = {$cat_id}", $this->db);
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$count = intval(mysql_result($rs, 0));
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return array($cat_id, $variant, $count);
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}
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/**
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* Updates the catalogue last modified time.
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*
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* @return boolean true if updated, false otherwise.
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*/
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protected function updateCatalogueTime($cat_id, $variant)
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{
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$time = time();
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$result = mysql_query("UPDATE catalogue SET date_modified = {$time} WHERE cat_id = {$cat_id}", $this->db);
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if (!empty($this->cache))
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{
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$this->cache->clean($variant, $this->culture);
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}
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return $result;
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}
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/**
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* Saves the list of untranslated blocks to the translation source.
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* If the translation was not found, you should add those
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* strings to the translation source via the <b>append()</b> method.
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*
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* @param string the catalogue to add to
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* @return boolean true if saved successfuly, false otherwise.
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*/
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function save($catalogue = 'messages')
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{
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$messages = $this->untranslated;
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if (count($messages) <= 0)
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{
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return false;
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}
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$details = $this->getCatalogueDetails($catalogue);
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if ($details)
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{
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list($cat_id, $variant, $count) = $details;
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}
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else
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{
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return false;
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}
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if ($cat_id <= 0)
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{
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return false;
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}
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$inserted = 0;
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$time = time();
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foreach ($messages as $message)
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{
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$count++;
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$inserted++;
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$message = mysql_real_escape_string($message, $this->db);
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$statement = "INSERT INTO trans_unit
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(cat_id,id,source,date_added) VALUES
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({$cat_id}, {$count},'{$message}',$time)";
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mysql_query($statement, $this->db);
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}
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if ($inserted > 0)
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{
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$this->updateCatalogueTime($cat_id, $variant);
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}
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return $inserted > 0;
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}
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/**
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* Deletes a particular message from the specified catalogue.
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*
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* @param string the source message to delete.
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* @param string the catalogue to delete from.
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* @return boolean true if deleted, false otherwise.
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*/
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function delete($message, $catalogue = 'messages')
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{
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$details = $this->getCatalogueDetails($catalogue);
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if ($details)
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{
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list($cat_id, $variant, $count) = $details;
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}
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else
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{
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return false;
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}
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$text = mysql_real_escape_string($message, $this->db);
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$statement = "DELETE FROM trans_unit WHERE cat_id = {$cat_id} AND source = '{$message}'";
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$deleted = false;
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mysql_query($statement, $this->db);
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if (mysql_affected_rows($this->db) == 1)
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{
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$deleted = $this->updateCatalogueTime($cat_id, $variant);
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}
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return $deleted;
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}
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/**
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* Updates the translation.
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*
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* @param string the source string.
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* @param string the new translation string.
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* @param string comments
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* @param string the catalogue of the translation.
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* @return boolean true if translation was updated, false otherwise.
|
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*/
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function update($text, $target, $comments, $catalogue = 'messages')
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{
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$details = $this->getCatalogueDetails($catalogue);
|
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if ($details)
|
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{
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list($cat_id, $variant, $count) = $details;
|
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}
|
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else
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{
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return false;
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}
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$comments = mysql_real_escape_string($comments, $this->db);
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$target = mysql_real_escape_string($target, $this->db);
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$text = mysql_real_escape_string($text, $this->db);
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$time = time();
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$statement = "UPDATE trans_unit SET target = '{$target}', comments = '{$comments}', date_modified = '{$time}' WHERE cat_id = {$cat_id} AND source = '{$text}'";
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$updated = false;
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mysql_query($statement, $this->db);
|
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if (mysql_affected_rows($this->db) == 1)
|
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{
|
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$updated = $this->updateCatalogueTime($cat_id, $variant);
|
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}
|
||||
|
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return $updated;
|
||||
}
|
||||
|
||||
/**
|
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* Returns a list of catalogue as key and all it variants as value.
|
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*
|
||||
* @return array list of catalogues
|
||||
*/
|
||||
function catalogues()
|
||||
{
|
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$statement = 'SELECT name FROM catalogue ORDER BY name';
|
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$rs = mysql_query($statement, $this->db);
|
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$result = array();
|
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while($row = mysql_fetch_array($rs, MYSQL_NUM))
|
||||
{
|
||||
$details = explode('.', $row[0]);
|
||||
if (!isset($details[1]))
|
||||
{
|
||||
$details[1] = null;
|
||||
}
|
||||
|
||||
$result[] = $details;
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
}
|
||||
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