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<?php |
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|
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/* |
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* manages copy and synchronization of terms and post metas |
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* |
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* @since 1.2 |
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*/ |
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class PLL_Admin_Sync { |
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|
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/* |
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* constructor |
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* |
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* @since 1.2 |
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* |
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* @param object $polylang |
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*/ |
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public function __construct(&$polylang) { |
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$this->model = &$polylang->model; |
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$this->options = &$polylang->options; |
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|
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add_filter('wp_insert_post_parent', array(&$this, 'wp_insert_post_parent')); |
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add_action('add_meta_boxes', array(&$this, 'add_meta_boxes'), 5, 2); // before Types which populates custom fields in same hook with priority 10 |
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|
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add_action('pll_save_post', array(&$this, 'pll_save_post'), 10, 3); |
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add_action('pll_save_term', array(&$this, 'pll_save_term'), 10, 3); |
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} |
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|
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/* |
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* translate post parent if exists when using "Add new" (translation) |
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* |
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* @since 0.6 |
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*/ |
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function wp_insert_post_parent($post_parent) { |
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return isset($_GET['from_post'], $_GET['new_lang']) && ($id = wp_get_post_parent_id((int) $_GET['from_post'])) && ($parent = $this->model->get_translation('post', $id, $_GET['new_lang'])) ? $parent : $post_parent; |
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} |
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|
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/* |
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* copy post metas, menu order, comment and ping status when using "Add new" (translation) |
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* formerly used dbx_post_advanced deprecated in WP 3.7 |
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* |
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* @since 1.2 |
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* |
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* @param string $post_type unused |
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* @param object $post current post object |
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*/ |
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function add_meta_boxes($post_type, $post) { |
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if ('post-new.php' == $GLOBALS['pagenow'] && isset($_GET['from_post'], $_GET['new_lang'])) { |
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if (!$this->model->is_translated_post_type($post->post_type)) |
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return; |
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|
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// capability check already done in post-new.php |
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$from_post_id = (int) $_GET['from_post']; |
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$lang = $this->model->get_language($_GET['new_lang']); |
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|
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$this->copy_post_metas($from_post_id, $post->ID, $lang->slug); |
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|
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$from_post = get_post($from_post_id); |
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foreach (array('menu_order', 'comment_status', 'ping_status') as $property) |
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$post->$property = $from_post->$property; |
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|
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if (in_array('sticky_posts', $this->options['sync']) && is_sticky($from_post_id)) |
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stick_post($post->ID); |
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} |
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} |
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|
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/* |
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* get the list of taxonomies to copy or to synchronize |
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* |
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* @since 1.7 |
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* |
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* @param bool $sync true if it is synchronization, false if it is a copy |
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* @return array list of taxonomy names |
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*/ |
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public function get_taxonomies_to_copy($sync) { |
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$taxonomies = !$sync || in_array('taxonomies', $this->options['sync']) ? $this->model->get_translated_taxonomies() : array(); |
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if (!$sync || in_array('post_format', $this->options['sync'])) |
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$taxonomies[] = 'post_format'; |
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|
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return array_unique(apply_filters('pll_copy_taxonomies', $taxonomies, $sync)); |
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} |
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|
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|
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/* |
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* copy or synchronize terms and metas |
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* |
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* @since 0.9 |
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* |
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* @param int $from id of the post from which we copy informations |
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* @param int $to id of the post to which we paste informations |
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* @param string $lang language slug |
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* @param bool $sync true if it is synchronization, false if it is a copy, defaults to false |
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*/ |
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public function copy_post_metas($from, $to, $lang, $sync = false) { |
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// copy or synchronize terms |
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// FIXME quite a lot of query in foreach |
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foreach ($this->get_taxonomies_to_copy($sync) as $tax) { |
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$terms = get_the_terms($from, $tax); |
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|
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// translated taxonomy |
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if ($this->model->is_translated_taxonomy($tax)) { |
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$newterms = array(); |
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if (is_array($terms)) { |
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foreach ($terms as $term) { |
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if ($term_id = $this->model->get_translation('term', $term->term_id, $lang)) |
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$newterms[] = (int) $term_id; // cast is important otherwise we get 'numeric' tags |
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} |
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} |
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|
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// for some reasons, the user may have untranslated terms in the translation. don't forget them. |
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if ($sync) { |
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$tr_terms = get_the_terms($to, $tax); |
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if (is_array($tr_terms)) { |
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foreach ($tr_terms as $term) { |
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if (!$this->model->get_translation('term', $term->term_id, $this->model->get_post_language($from))) |
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$newterms[] = (int) $term->term_id; |
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} |
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} |
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} |
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|
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if (!empty($newterms) || $sync) |
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wp_set_object_terms($to, $newterms, $tax); // replace terms in translation |
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} |
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|
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// untranslated taxonomy (post format) |
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// don't use simple get_post_format / set_post_format to generalize the case to other taxonomies |
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else { |
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wp_set_object_terms($to, is_array($terms) ? array_map('intval', wp_list_pluck($terms, 'term_id')) : null, $tax); |
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} |
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} |
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|
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// copy or synchronize post metas and allow plugins to do the same |
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$metas = get_post_custom($from); |
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|
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// get public meta keys (including from translated post in case we just deleted a custom field) |
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if (!$sync || in_array('post_meta', $this->options['sync'])) { |
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foreach ($keys = array_unique(array_merge(array_keys($metas), array_keys(get_post_custom($to)))) as $k => $meta_key) |
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if (is_protected_meta($meta_key)) |
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unset ($keys[$k]); |
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} |
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|
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// add page template and featured image |
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foreach (array('_wp_page_template', '_thumbnail_id') as $meta) |
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if (!$sync || in_array($meta, $this->options['sync'])) |
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$keys[] = $meta; |
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|
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$keys = array_unique(apply_filters('pll_copy_post_metas', empty($keys) ? array() : $keys, $sync)); |
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|
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// and now copy / synchronize |
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foreach ($keys as $key) { |
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delete_post_meta($to, $key); // the synchronization process of multiple values custom fields is easier if we delete all metas first |
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if (isset($metas[$key])) { |
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foreach ($metas[$key] as $value) { |
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// important: always maybe_unserialize value coming from get_post_custom. See codex. |
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// thanks to goncalveshugo http://wordpress.org/support/topic/plugin-polylang-pll_copy_post_meta |
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$value = maybe_unserialize($value); |
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// special case for featured images which can be translated |
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add_post_meta($to, $key, ($key == '_thumbnail_id' && $tr_value = $this->model->get_translation('post', $value, $lang)) ? $tr_value : $value); |
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} |
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} |
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} |
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} |
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|
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/* |
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* synchronizes terms and metas in translations |
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* |
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* @since 1.2 |
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* |
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* @param int $post_id post id |
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* @param object $post post object |
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* @param array translations post translations |
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*/ |
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public function pll_save_post($post_id, $post, $translations) { |
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global $wpdb; |
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|
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// prepare properties to synchronize |
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foreach (array('comment_status', 'ping_status', 'menu_order', 'post_date') as $property) |
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if (in_array($property, $this->options['sync'])) |
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$postarr[$property] = $post->$property; |
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|
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if (in_array('post_date', $this->options['sync'])) |
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$post_arr['post_date_gmt'] = $post->post_date_gmt; |
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|
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// synchronise terms and metas in translations |
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foreach ($translations as $lang => $tr_id) { |
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if (!$tr_id) |
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continue; |
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|
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// synchronize terms and metas |
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$this->copy_post_metas($post_id, $tr_id, $lang, true); |
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|
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// sticky posts |
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if (in_array('sticky_posts', $this->options['sync'])) |
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isset($_REQUEST['sticky']) ? stick_post($tr_id) : unstick_post($tr_id); |
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|
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// synchronize comment status, ping status, menu order... |
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if (!empty($postarr)) |
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$wpdb->update($wpdb->posts, $postarr, array('ID' => $tr_id)); |
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|
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// FIXME: optimize the 2 db update in 1 |
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// post parent |
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// do not udpate the translation parent if the user set a parent with no translation |
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if (in_array('post_parent', $this->options['sync'])) { |
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$post_parent = ($parent_id = wp_get_post_parent_id($post_id)) ? $this->model->get_translation('post', $parent_id, $lang) : 0; |
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if (!($parent_id && !$post_parent)) |
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$wpdb->update($wpdb->posts, array('post_parent'=> $post_parent), array( 'ID' => $tr_id )); |
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} |
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} |
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} |
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|
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/* |
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* synchronize translations of a term in all posts |
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* |
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* @since 1.2 |
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* |
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* @param int $term_id term id |
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* @param string $taxonomy taxonomy name of the term |
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* @param array $translations translations of the term |
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*/ |
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public function pll_save_term($term_id, $taxonomy, $translations) { |
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// check if the taxonomy is synchronized |
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if (!$this->model->is_translated_taxonomy($taxonomy) || !in_array($taxonomy, $this->get_taxonomies_to_copy(true))) |
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return; |
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|
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// get all posts associated to this term |
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$posts = get_posts(array( |
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'numberposts' => -1, |
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'nopaging' => true, |
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'post_type' => 'any', |
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'post_status' => 'any', |
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'fields' => 'ids', |
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'tax_query' => array(array( |
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'taxonomy' => $taxonomy, |
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'field' => 'id', |
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'terms' => array_merge(array($term_id), array_values($translations)), |
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)) |
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)); |
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|
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// associate translated term to translated post |
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// FIXME quite a lot of query in foreach |
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foreach ($this->model->get_languages_list() as $language) { |
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if ($translated_term = $this->model->get_term($term_id, $language)) { |
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foreach ($posts as $post_id) { |
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if ($translated_post = $this->model->get_post($post_id, $language)) |
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wp_set_object_terms($translated_post, $translated_term, $taxonomy, true); |
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} |
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} |
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} |
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|
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// synchronize parent in translations |
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// calling clean_term_cache *after* this is mandatory otherwise the $taxonomy_children option is not correctly updated |
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// but clean_term_cache can be called (efficiently) only one time due to static array which prevents to update the option more than once |
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// this is the reason to use the edit_term filter and not edited_term |
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// take care that $_POST contains the only valid values for the current term |
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// FIXME can I synchronize parent without using $_POST instead? |
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if (isset($_POST['term_tr_lang'])) { |
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foreach ($_POST['term_tr_lang'] as $lang => $tr_id) { |
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if (!$tr_id) |
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continue; |
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|
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if (isset($_POST['parent']) && $_POST['parent'] != -1) // since WP 3.1 |
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$term_parent = $this->model->get_translation('term', (int) $_POST['parent'], $lang); |
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|
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global $wpdb; |
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$wpdb->update($wpdb->term_taxonomy, |
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array('parent'=> isset($term_parent) ? $term_parent : 0), |
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array('term_taxonomy_id' => get_term((int) $tr_id, $taxonomy)->term_taxonomy_id)); |
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} |
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} |
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} |
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} |
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|
