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Chris Sewell
445
lib/symfony/addon/creole/i18n/sfMessageSource_Creole.class.php
Executable file
445
lib/symfony/addon/creole/i18n/sfMessageSource_Creole.class.php
Executable file
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<?php
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/**
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* sfMessageSource_Creole 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_Creole.class.php 3245 2007-01-12 15:01:53Z 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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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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);
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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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`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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);
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*/
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/**
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* sfMessageSource_Creole class.
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*
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* Retrieve the message translation from a Creole supported 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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* @author RoVeRT <symfony[at]rovert[dot]net>
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*/
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class sfMessageSource_Creole extends sfMessageSource
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{
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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 $db;
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/**
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* Constructor.
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* Create a new message source using Creole.
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* @param string Creole datasource.
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* @see MessageSource::factory();
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*/
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public function __construct($source)
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{
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$this->db = sfContext::getInstance()->getDatabaseConnection($source);
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if ($this->db == null || !$this->db instanceof Connection)
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{
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$error = 'Creole dabatase connection doesn\'t exist. Unable to open session.';
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throw new sfDatabaseException($error);
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}
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}
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/**
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* Destructor, close the database connection.
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*/
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public function __destruct()
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{
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}
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/**
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* Get the database connection.
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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 $this->db;
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}
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/**
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* Get an array of messages for a particular catalogue and cultural
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* variant.
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* @param string the catalogue name + variant
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* @return array translation messages.
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*/
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protected function &loadData($variant)
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{
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$sql = 'SELECT t.source, t.target, t.comments '.
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'FROM trans_unit t, catalogue c '.
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'WHERE c.cat_id = t.cat_id AND c.name = ? '.
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'ORDER BY msg_id ASC';
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$stmt = $this->db->prepareStatement($sql);
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$rs = $stmt->executeQuery(array($variant), ResultSet::FETCHMODE_NUM);
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$result = array();
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$count = 0;
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while ($rs->next())
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{
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$source = $rs->getString(1);
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$result[$source][] = $rs->getString(2); //target
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$result[$source][] = $count++; //id
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$result[$source][] = $rs->getString(3); //comments
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}
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return $result;
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}
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/**
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* Get the last modified unix-time for this particular catalogue+variant.
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* We need to query the database to get the date_modified.
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*
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* @param string catalogue+variant
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* @return int last modified in unix-time format.
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*/
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protected function getLastModified($source)
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{
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$sql = 'SELECT date_modified FROM catalogue WHERE name = ?';
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$stmt = $this->db->prepareStatement($sql);
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$rs = $stmt->executeQuery(array($source), ResultSet::FETCHMODE_NUM);
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$result = $rs->next() ? $rs->getInt(1) : 0;
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return $result;
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}
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/**
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* Check if a particular catalogue+variant exists in the database.
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*
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* @param string catalogue+variant
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* @return boolean true if the catalogue+variant is in the database, false otherwise.
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*/
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protected function isValidSource($variant)
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{
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$sql = 'SELECT COUNT(*) FROM catalogue WHERE name = ?';
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$stmt = $this->db->prepareStatement($sql);
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$rs = $stmt->executeQuery(array($variant), ResultSet::FETCHMODE_NUM);
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$result = $rs->next() ? $rs->getInt(1) == 1 : false;
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return $result;
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}
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/**
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* Get all the variants of a particular catalogue.
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*
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* @param string catalogue name
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* @return array list of all variants for this catalogue.
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*/
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protected function getCatalogueList($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($catalogues);
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}
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/**
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* Retrieve catalogue details, array($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 = $this->getSource($variant);
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$sql = 'SELECT cat_id FROM catalogue WHERE name = ?';
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$stmt = $this->db->prepareStatement($sql);
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$rs = $stmt->executeQuery(array($name), ResultSet::FETCHMODE_NUM);
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if ($rs->getRecordCount() != 1)
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{
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return false;
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}
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$rs->next();
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$cat_id = $rs->getInt(1);
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//first get the catalogue ID
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$sql = 'SELECT count(msg_id) FROM trans_unit WHERE cat_id = ?';
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$stmt = $this->db->prepareStatement($sql);
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$rs = $stmt->executeQuery(array($cat_id), ResultSet::FETCHMODE_NUM);
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$rs->next();
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$count = $rs->getInt(1);
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return array($cat_id, $variant, $count);
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}
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/**
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* Update the catalogue last modified time.
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*
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* @return boolean true if updated, false otherwise.
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*/
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protected function updateCatalogueTime($cat_id, $variant)
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{
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$time = time();
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$sql = 'UPDATE catalogue SET date_modified = ? WHERE cat_id = ?';
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$stmt = $this->db->prepareStatement($sql);
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$result = $stmt->executeUpdate(array($time, $cat_id));
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if (!empty($this->cache))
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{
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$this->cache->clean($variant, $this->culture);
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}
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return true;
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}
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/**
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* Save the list of untranslated blocks to the translation source.
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* If the translation was not found, you should add those
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* strings to the translation source via the <b>append()</b> method.
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*
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* @param string the catalogue to add to
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* @return boolean true if saved successfuly, false otherwise.
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*/
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function save($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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try
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{
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$sql = 'SELECT msg_id FROM trans_unit WHERE source = ?';
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$stmt = $this->db->prepareStatement($sql);
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foreach($messages as $key => $message)
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{
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$rs = $stmt->executeQuery(array($message), ResultSet::FETCHMODE_NUM);
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if ($rs->next())
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{
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unset($messages[$key]);
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}
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}
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}
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catch (Exception $e)
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{
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}
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try
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{
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$this->db->begin();
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$sql = 'INSERT INTO trans_unit (cat_id, source, target, comments, date_added, date_modified) VALUES (?, ?, ?, ?, ?, ?)';
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$stmt = $this->db->prepareStatement($sql);
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foreach ($messages as $message)
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{
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$stmt->executeUpdate(array($cat_id, $message, '', '', $time, $time));
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++$inserted;
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}
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$this->db->commit();
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}
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catch (Exception $e)
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{
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$this->db->rollback();
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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 $inserted > 0;
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}
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/**
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* Delete a particular message from the specified catalogue.
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*
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* @param string the source message to delete.
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* @param string the catalogue to delete from.
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* @return boolean true if deleted, false otherwise.
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*/
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function delete($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) = $details;
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}
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else
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{
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return false;
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}
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$deleted = false;
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$sql = 'DELETE FROM trans_unit WHERE cat_id = ? AND source = ?';
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$stmt = $this->db->prepareStatement($sql);
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$rows = $stmt->executeUpdate(array($cat_id, $message));
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if ($rows == 1)
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{
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$deleted = $this->updateCatalogueTime($cat_id, $variant);
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}
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return $deleted;
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}
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/**
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* Update the translation.
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*
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* @param string the source string.
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* @param string the new translation string.
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* @param string comments
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* @param string the catalogue of the translation.
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* @return boolean true if translation was updated, false otherwise.
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*/
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function update($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) = $details;
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}
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else
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{
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return false;
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}
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$time = time();
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$sql = 'UPDATE trans_unit SET target = ?, comments = ?, date_modified = ? WHERE cat_id = ? AND source = ?';
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$updated = false;
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$stmt = $this->db->prepareStatement($sql);
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$rows = $stmt->executeUpdate(array($target, $comments, $time, $cat_id, $text));
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if ($rows == 1)
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{
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$updated = $this->updateCatalogueTime($cat_id, $variant);
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}
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return $updated;
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}
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/**
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* Returns a list of catalogue as key and all it variants as value.
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*
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* @return array list of catalogues
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*/
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function catalogues()
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{
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$sql = 'SELECT name FROM catalogue ORDER BY name';
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$rs = $this->db->executeQuery($sql, ResultSet::FETCHMODE_NUM);
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$result = array();
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while ($rs->next())
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{
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$details = explode('.', $rs->getString(1));
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if (!isset($details[1]))
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{
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$details[1] = null;
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}
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$result[] = $details;
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}
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return $result;
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}
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}
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