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<?php |
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/** |
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* @package Polylang |
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*/ |
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|
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namespace WP_Syntex\Polylang\Capabilities\Create; |
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|
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use PLL_Language; |
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use WP_Syntex\Polylang\Capabilities\Capabilities; |
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|
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/** |
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* Class to manage the language context for posts creation or update. |
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* |
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* @since 3.8 |
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*/ |
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class Post extends Abstract_Object { |
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/** |
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* Returns the language to set for a post creation or update. |
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* |
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* @since 3.8 |
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* |
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* @param int $id The post ID for which to set the language. Default `0`. |
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* @return PLL_Language The language context. |
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*/ |
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public function get_language( int $id = 0 ): PLL_Language { |
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/** @var PLL_Language $default_language The default language is always defined. */ |
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$default_language = $this->model->get_default_language(); |
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$user = Capabilities::get_user(); |
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|
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if ( ! empty( $_GET['new_lang'] ) && $lang = $this->model->get_language( sanitize_key( $_GET['new_lang'] ) ) ) { // phpcs:ignore WordPress.Security.NonceVerification |
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// Defined only on admin. |
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return $lang; |
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} |
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if ( ! isset( $this->pref_lang ) && ! empty( $_REQUEST['lang'] ) && $lang = $this->model->get_language( sanitize_key( $_REQUEST['lang'] ) ) ) { // phpcs:ignore WordPress.Security.NonceVerification |
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// Testing $this->pref_lang makes this test pass only on frontend. |
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return $lang; |
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} |
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if ( $this->request && $lang = $this->request->get_language() ) { |
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// REST request. |
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return $lang; |
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} |
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if ( ( $parent_id = wp_get_post_parent_id( $id ) ) && $parent_lang = $this->model->post->get_language( $parent_id ) ) { |
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// Use parent if exists. |
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return $parent_lang; |
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} |
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if ( isset( $this->pref_lang ) && $user->can_translate( $this->pref_lang ) ) { |
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// Always defined on admin, never defined on frontend. |
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return $this->pref_lang; |
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} |
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if ( ! empty( $this->curlang ) ) { |
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// Only on frontend due to the previous test always true on admin. |
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return $this->curlang; |
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} |
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if ( $user->is_translator() ) { |
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// Use default language if user can translate into it... |
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if ( $user->can_translate( $default_language ) ) { |
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return $default_language; |
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} |
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|
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// ... or its preferred one. |
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$preferred_language = $this->model->get_language( $user->get_preferred_language_slug() ); |
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if ( $preferred_language ) { |
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return $preferred_language; |
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} |
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} |
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|
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// In all other cases use default language because we must have a language to set. |
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return $default_language; |
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} |
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} |
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