#2 Redirect to create new for terms

Author: goncaloasimoes

lib/Terms/CreateTranslation.php

@@ -17,9 +17,78 @@ public function register() {
 		if ( Options::only_one_language_allowed() ) {
 			return;
 		}
-		\add_action( 'saved_term', [ $this, 'create_and_redirect' ], PHP_INT_MAX, 4 );
+		// Redirect to create new translation.
+		\add_action( 'saved_term', [ $this, 'redirect_to_new' ], PHP_INT_MAX, 4 );
+		\add_action( 'saved_term', [ $this, 'set_new_source' ], PHP_INT_MAX, 4 );
+
+		// TODO: Refactor for copy.
+		// \add_action( 'saved_term', [ $this, 'create_and_redirect' ], PHP_INT_MAX, 4 );
 	}
 
+	public function redirect_to_new( int $term_id, int $tt_id, string $taxonomy, bool $update ) : void {
+		if (
+			! $update
+			|| ! in_array( $taxonomy, Options::get_allowed_taxonomies(), true )
+			|| ! ( $_POST['ubb_redirect_new'] ?? false )
+		) {
+			return;
+		}
+
+		// Language to set to the new term.
+		$lang_create = $_POST['ubb_create'] ?? '';
+		if (
+			empty( $lang_create )
+			|| ! in_array( $lang_create, Options::get()['allowed_languages'] )
+			// TODO: check if term_id has this language already
+		) {
+			// TODO: What else to do when this happens.
+			error_log( print_r( 'CreateTranslation - lang create failed', true ) );
+			return;
+		}
+
+		// TODO: Add something in the page to show that a translation is being saved. Use existence of ubb_source.
+		wp_safe_redirect(
+			add_query_arg(
+				[
+					'taxonomy'   => $taxonomy,
+					'lang'       => $lang_create,
+					'ubb_source' => $term_id,
+				],
+				admin_url( 'edit-tags.php' )
+			),
+			302,
+			'Unbabble'
+		);
+		exit;
+	}
+
+	public function set_new_source( int $term_id, int $tt_id, string $taxonomy, bool $update ) : void {
+		$allowed_taxonomies = Options::get_allowed_taxonomies();
+		if (
+			$update
+			|| ! in_array( $taxonomy, $allowed_taxonomies, true )
+			|| ! isset( $_POST['ubb_source'] )
+			|| ! is_numeric( $_POST['ubb_source'] )
+		) {
+			return;
+		}
+
+		$src_term = get_term( \sanitize_text_field( $_POST['ubb_source'] ), $taxonomy );
+		if ( $src_term === null || ! in_array( $src_term->taxonomy, $allowed_taxonomies, true ) ) {
+			return;
+		}
+
+		$original_source = LangInterface::get_term_source( $src_term->term_id );
+		if ( $original_source === null ) {
+			$original_source = $src_term->term_id;
+			LangInterface::set_term_source( $src_term->term_id, $src_term->term_id );
+		}
+
+		LangInterface::set_term_source( $term_id, $original_source );
+	}
+
+
+	// TODO: Refactor for copy.
 	public function create_and_redirect( int $term_id, int $tt_id, string $taxonomy, bool $update ) : void {
 		if ( ! $update ) {
 			return;

lib/Terms/LangMetaBox.php

@@ -57,6 +57,13 @@ public function new_term_language_metabox() {
 			$this->print_language_select( 'ubb_lang', LangInterface::get_current_language(), $options['allowed_languages'], 'ubb_language_metabox_nonce', 'ubb_language_metabox', false ),
 			esc_html__( 'The term only appears on the site for this language.', 'unbabble' )
 		);
+
+		if ( is_numeric( $_GET['ubb_source'] ?? '' ) ) {
+			printf(
+				'<input type="hidden" id="ubb_source" name="ubb_source" value="%s">',
+				esc_sql( $_GET['ubb_source'] )
+			);
+		}
 	}
 
 	public function edit_term_language_metabox( $term ) {
@@ -147,7 +154,8 @@ public function edit_term_language_metabox( $term ) {
 					<th scope="row"><label for="language">%1$s</label></th>
 					<td>
 					%2$s
-					<input type="submit" name="ubb_save_create" value="Save and Create" class="button"/>
+					<input type="submit" name="ubb_redirect_new" value="Save and Create" class="button"/>
+					<input type="submit" name="ubb_copy_new" value="Save and Copy" class="button"/>
 					</td>
 				</tr>',
 				esc_html__( 'Create Translation', 'unbabble' ),
@@ -161,7 +169,7 @@ public function save_term_language( $term_id ) {
 			return;
 		}
 
-		if ( isset( $_POST['ubb_save_create'] ) ) { // Don't set post language when creating a translation.
+		if ( isset( $_POST['ubb_copy_new'] ) ) { // Don't set post language when creating a translation.
 			return;
 		}
 
@@ -177,15 +185,18 @@ public function save_term_language( $term_id ) {
 
 	// TODO: Duplicated in Posts/LangMetaBox
 	private function print_language_select( string $name, $selected, $options, string $nonce_action, string $nonce_name, $echo = true ) {
-		$langs = array_map(
-			function ( $text, $lang ) use ( $selected ) {
+		$create_mode = is_numeric( $_GET['ubb_source'] ?? '' );
+		$langs       = array_map(
+			function ( $text, $lang ) use ( $selected, $create_mode ) {
 				if ( is_int( $text ) ) {
 					$text = $lang;
 				}
+				$selected_str = \selected( $lang, $selected, false );
 				return sprintf(
-					'<option value="%1$s" %2$s>%3$s</option>',
+					'<option value="%1$s" %2$s %3$s>%4$s</option>',
 					$lang,
-					\selected( $lang, $selected, false ),
+					$selected_str,
+					$create_mode && empty( $selected_str ) ? 'disabled' : '',
 					$text
 				);
 			},