<?php

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/* @todo: [WPML 3.3] check if needed in 3.3 */

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/* This file includes a set of functions that can be used by WP plugins developers to make their plugins interact with WPML */

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/* constants */

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define('WPML_API_SUCCESS' , 0);

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define('WPML_API_ERROR' , 99);

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define('WPML_API_INVALID_LANGUAGE_CODE' , 1);

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define('WPML_API_INVALID_TRID' , 2);

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define('WPML_API_LANGUAGE_CODE_EXISTS' , 3);

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define('WPML_API_CONTENT_NOT_FOUND' , 4);

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define('WPML_API_TRANSLATION_NOT_FOUND' , 5);

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define('WPML_API_INVALID_CONTENT_TYPE' , 6);

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define('WPML_API_CONTENT_EXISTS' , 7);

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define('WPML_API_FUNCTION_ALREADY_DECLARED', 8);

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define('WPML_API_CONTENT_TRANSLATION_DISABLED', 9);

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define('WPML_API_GET_CONTENT_ERROR' , 0);

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define('WPML_API_MAGIC_NUMBER', 6);

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define('WPML_API_ASIAN_LANGUAGES', 'zh-hans|zh-hant|ja|ko');

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define('WPML_API_COST_PER_WORD', 0.09);

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function _wpml_api_allowed_content_type($content_type){

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$reserved_types = array(

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'post' => 1,

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'page' => 1,

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'tax_post_tag' => 1,

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'tax_category' => 1,

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'comment' => 1

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);

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return !isset($reserved_types[$content_type]) && preg_match('#([a-z0-9_\-])#i', $content_type);

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}

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/**

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* Add translatable content to the WPML translations table

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $content_type Content type.

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* @param int $content_id Content ID.

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* @param bool|string $language_code Content language code. (defaults to current language)

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* @param bool|int $trid Content trid - if a translation in a different language already exists.

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*

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* @return int error code

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*/

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function wpml_add_translatable_content($content_type, $content_id, $language_code = false, $trid = false){

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global $sitepress, $wpdb;

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if(!_wpml_api_allowed_content_type($content_type)){

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return WPML_API_INVALID_CONTENT_TYPE;

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}

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if($language_code && !$sitepress->get_language_details($language_code)){

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return WPML_API_INVALID_LANGUAGE_CODE;

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}

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if($trid){

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$trid_type = $wpdb->get_var( $wpdb->prepare(" SELECT element_type

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FROM {$wpdb->prefix}icl_translations

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WHERE trid = %d ", $trid) );

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if(!$trid_type || $trid_type != $content_type){

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return WPML_API_INVALID_TRID;

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}

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}

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if($wpdb->get_var( $wpdb->prepare(" SELECT translation_id

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FROM {$wpdb->prefix}icl_translations

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WHERE element_type=%s

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AND element_id=%d", $content_type, $content_id))){

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return WPML_API_CONTENT_EXISTS;

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}

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$t = $sitepress->set_element_language_details($content_id, $content_type, $trid, $language_code);

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if(!$t){

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return WPML_API_ERROR;

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}else{

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return WPML_API_SUCCESS;

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}

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}

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/**

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* Update translatable content in the WPML translations table

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $content_type Content type.

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* @param int $content_id Content ID.

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* @param string $language_code Content language code.

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*

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* @return int error code

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*/

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function wpml_update_translatable_content($content_type, $content_id, $language_code){

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global $sitepress;

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if(!_wpml_api_allowed_content_type($content_type)){

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return WPML_API_INVALID_CONTENT_TYPE;

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}

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if(!$sitepress->get_language_details($language_code)){

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return WPML_API_INVALID_LANGUAGE_CODE;

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}

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$trid = $sitepress->get_element_trid($content_id, $content_type);

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if(!$trid){

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return WPML_API_CONTENT_NOT_FOUND;

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}

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$translations = $sitepress->get_element_translations($trid);

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if(isset($translations[$language_code]) && !$translations[$language_code]->element_id != $content_id){

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return WPML_API_LANGUAGE_CODE_EXISTS;

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}

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$t = $sitepress->set_element_language_details($content_id, $content_type, $trid, $language_code);

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if(!$t){

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return WPML_API_ERROR;

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}else{

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return WPML_API_SUCCESS;

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}

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}

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/**

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* Update translatable content in the WPML translations table

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*

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* @since 1.3

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* @deprecated deprecated since 3.2

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*

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $content_type Content type.

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* @param int $content_id Content ID.

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* @param bool|string $language_code Content language code. (when ommitted - delete all translations associated with the respective content)

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*

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* @return int error code

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*/

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function wpml_delete_translatable_content($content_type, $content_id, $language_code = false){

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global $sitepress;

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if(!_wpml_api_allowed_content_type($content_type)){

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return WPML_API_INVALID_CONTENT_TYPE;

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}

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if($language_code && !$sitepress->get_language_details($language_code)){

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return WPML_API_INVALID_LANGUAGE_CODE;

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}

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$trid = $sitepress->get_element_trid($content_id, $content_type);

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if(!$trid){

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return WPML_API_CONTENT_NOT_FOUND;

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}

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if($language_code){

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$translations = $sitepress->get_element_translations($trid);

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if(!isset($translations[$language_code])){

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return WPML_API_TRANSLATION_NOT_FOUND;

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}

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}

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$sitepress->delete_element_translation($trid, $content_type, $language_code);

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return WPML_API_SUCCESS;

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}

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/**

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* Get trid value for a specific piece of content

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $content_type Content type.

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* @param int $content_id Content ID.

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*

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* @return int trid or 0 for error

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* */

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function wpml_get_content_trid($content_type, $content_id){

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global $sitepress;

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if(!_wpml_api_allowed_content_type($content_type)){

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return WPML_API_GET_CONTENT_ERROR; //WPML_API_INVALID_CONTENT_TYPE;

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}

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$trid = $sitepress->get_element_trid($content_id, $content_type);

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if(!$trid){

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return WPML_API_GET_CONTENT_ERROR;

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}else{

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return $trid;

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}

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}

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/**

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* Detects the current language and returns the language relevant content id. optionally it can return the original id if a translation is not found

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* See also wpml_object_id_filter() in \template-functions.php

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $content_type Content type.

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* @param int $content_id Content ID.

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* @param bool $return_original return the original id when translation not found.

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*

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* @return int trid or 0 for error

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*

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*/

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function wpml_get_content($content_type, $content_id, $return_original = true){

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global $sitepress, $wpdb;

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$trid = $sitepress->get_element_trid($content_id, $content_type);

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if(!$trid){

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return WPML_API_GET_CONTENT_ERROR;

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}else{

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if($content_id <= 0){

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return $content_id;

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}

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if($content_type=='category' || $content_type=='post_tag' || $content_type=='tag'){

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$content_id = $wpdb->get_var($wpdb->prepare(" SELECT term_taxonomy_id

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FROM {$wpdb->term_taxonomy}

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WHERE term_id = %d

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AND taxonomy = %s",

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$content_id, $content_type));

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}

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if($content_type=='post_tag'){

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$icl_element_type = 'tax_post_tag';

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}elseif($content_type=='category'){

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$icl_element_type = 'tax_category';

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}elseif($content_type=='page'){

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$icl_element_type = 'post';

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}else{

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$icl_element_type = $content_type;

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}

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$trid = $sitepress->get_element_trid($content_id, $icl_element_type);

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$translations = $sitepress->get_element_translations($trid, $icl_element_type);

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if(isset($translations[ICL_LANGUAGE_CODE]->element_id)){

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$ret_element_id = $translations[ICL_LANGUAGE_CODE]->element_id;

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if($content_type=='category' || $content_type=='post_tag'){

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$ret_element_id = $wpdb->get_var($wpdb->prepare(" SELECT t.term_id

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FROM {$wpdb->term_taxonomy} tx

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JOIN {$wpdb->terms} t

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ON t.term_id = tx.term_id

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WHERE tx.term_taxonomy_id = %d

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AND tx.taxonomy=%s", $ret_element_id, $content_type));

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}

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}else{

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$ret_element_id = $return_original ? $content_id : null;

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}

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return $ret_element_id;

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}

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}

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/**

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* Get translations for a certain piece of content

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $content_type Content type.

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* @param int $content_id Content ID.

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* @param bool $skip_missing

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*

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* @internal param bool $return_original return the original id when translation not found.

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*

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* @return array|int translations or error code

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*/

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function wpml_get_content_translations($content_type, $content_id, $skip_missing = true){

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global $sitepress;

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$trid = $sitepress->get_element_trid($content_id, $content_type);

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if(!$trid){

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return WPML_API_TRANSLATION_NOT_FOUND;

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}

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$translations = $sitepress->get_element_translations($trid, $content_type, $skip_missing);

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$tr = array();

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foreach($translations as $k=>$v){

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$tr[$k] = $v->element_id;

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}

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return $tr;

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}

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/**

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* Returns a certain translation for a piece of content

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $content_type Content type.

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* @param int $content_id Content ID.

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* @param bool $language_code

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*

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* @return int|array error code or array('lang'=>element_id)

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*/

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function wpml_get_content_translation($content_type, $content_id, $language_code){

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global $sitepress;

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$trid = $sitepress->get_element_trid($content_id, $content_type);

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if(!$trid){

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return WPML_API_CONTENT_NOT_FOUND;

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}

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$translations = $sitepress->get_element_translations($trid, $content_type, true);

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if(!isset($translations[$language_code])){

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return WPML_API_TRANSLATION_NOT_FOUND;

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}else{

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return array($language_code => $translations[$language_code]->element_id);

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}

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}

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/**

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* Returns the list of active languages

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* See also wpml_get_active_languages_filter() in \template-functions.php

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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*

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* @return array

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* */

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function wpml_get_active_languages(){

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global $sitepress;

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$langs = $sitepress->get_active_languages();

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return $langs;

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}

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[349] Fix | Delete

/**

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* Get contents of a specific type

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $content_type Content type.

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*

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* @param bool $language_code

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*

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* @return int or array

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*/

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function wpml_get_contents($content_type, $language_code = false){

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global $sitepress, $wpdb;

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if($language_code && !$sitepress->get_language_details($language_code)){

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return WPML_API_INVALID_LANGUAGE_CODE;

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}

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if(!$language_code){

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$language_code = $sitepress->get_current_language();

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}

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$contents = $wpdb->get_col( $wpdb->prepare("SELECT element_id

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FROM {$wpdb->prefix}icl_translations

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WHERE element_type = %s AND language_code = %s",

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$content_type, $language_code ) );

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return $contents;

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}

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[382] Fix | Delete

/**

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* Returns the number of the words that will be sent to translation and a cost estimate

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $string

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* @param bool|string $language - should be specified when the language is one of zh-hans|zh-hant|ja|ko

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*

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* @return array (count, cost)

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*/

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function wpml_get_word_count($string, $language = false){

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$asian_languages = explode('|', WPML_API_ASIAN_LANGUAGES);

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$count = 0;

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if($language && in_array($language, $asian_languages)){

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$count = ceil(strlen($string)/WPML_API_MAGIC_NUMBER);

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}elseif(is_string($string)){

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$words = preg_split( '/[\s\/]+/', $string, 0, PREG_SPLIT_NO_EMPTY );

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$count = count( $words );

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}

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$cost = $count * WPML_API_COST_PER_WORD;

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$ret = array('count'=>$count, 'cost'=>$cost);

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return $ret;

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}

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/**

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* Check user is translator

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param string $from_language Language to translate from

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* @param string $to_language Language to translate into

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*

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* @return bool (true if translator)

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*/

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function wpml_check_user_is_translator($from_language, $to_language) {

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global $wpdb;

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$is_translator = false;

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if($current_user_id = get_current_user_id()){

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$translation_languages = $wpdb->get_row($wpdb->prepare("SELECT meta_value

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FROM {$wpdb->usermeta}

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WHERE user_id = %d

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AND meta_key = %s",

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$current_user_id,

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$wpdb->prefix . 'language_pairs'));

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if($translation_languages){

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foreach (unserialize($translation_languages->meta_value) as $key => $language) {

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if ($key == $from_language) {

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$is_translator = array_key_exists($to_language, $language);

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}

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}

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}

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}

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return $is_translator;

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}

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[448] Fix | Delete

/**

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* Check user is translator

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*

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* @since 1.3

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* @package WPML

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* @subpackage WPML API

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*

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* @param int $post_id Post ID

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* @param $cred_form_id

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* @param bool|string $current_language (optional) current language

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*

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* @internal param int $form_id Form ID

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* @return bool (true if translator)

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*/

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function wpml_generate_controls($post_id, $cred_form_id , $current_language = false) {

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global $sitepress,$sitepress_settings;

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if (!$current_language)

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$current_language = $sitepress->get_default_language();

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if($current_language != $sitepress->get_language_for_element($post_id, 'post_' . get_post_type($post_id)))

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$current_language = $sitepress->get_language_for_element($post_id, 'post_' . get_post_type($post_id));

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$controls = array();

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$trid = $sitepress->get_element_trid($post_id,'post_' . get_post_type($post_id));

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$translations = $sitepress->get_element_translations($trid, 'post_' . get_post_type($post_id));

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foreach ($sitepress->get_active_languages() as $active_language) {

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if ($current_language == $active_language['code'] || !wpml_check_user_is_translator($current_language, $active_language['code']))

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continue;

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if (array_key_exists($active_language['code'], $translations)) {

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//edit translation

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$controls[$active_language['code']]['action'] = 'edit';

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$post_url = get_permalink($translations[$active_language['code']]->element_id);

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if(false===strpos($post_url,'?') || (false===strpos($post_url,'?') && $sitepress_settings['language_negotiation_type'] != '3')){

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$controls[$active_language['code']]['url'] = $post_url.'?action=edit_translation&cred-edit-form='.$cred_form_id; //CRED edit form ID

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}else{

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$controls[$active_language['code']]['url'] = $post_url.'&action=edit_translation&cred-edit-form='.$cred_form_id; //CRED edit form ID

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}

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} else {

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//add translation

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$controls[$active_language['code']]['action'] = 'create';

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$post_url = get_permalink($post_id);

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if(false===strpos($post_url,'?') || (false===strpos($post_url,'?') && $sitepress_settings['language_negotiation_type'] != '3')){

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$controls[$active_language['code']]['url'] = get_permalink($post_id).'?action=create_translation&trid='.$trid.'&to_lang='.$active_language['code'].'&source_lang='.$current_language.'&cred-edit-form='.$cred_form_id; //CRED new form ID

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}else{

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$controls[$active_language['code']]['url'] = get_permalink($post_id).'&action=create_translation&trid='.$trid.'&to_lang='.$active_language['code'].'&source_lang='.$current_language.'&cred-edit-form='.$cred_form_id; //CRED new form ID

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}

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}

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