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<?php |
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/** |
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* Utilities used to fetch and create templates and template parts. |
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* |
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* @package Gutenberg |
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* @subpackage REST_API |
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*/ |
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|
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/** |
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* Generates a unique slug for templates or template parts. |
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* |
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* @param string $override_slug The filtered value of the slug (starts as `null` from apply_filter). |
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* @param string $slug The original/un-filtered slug (post_name). |
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* @param int $post_ID Post ID. |
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* @param string $post_status No uniqueness checks are made if the post is still draft or pending. |
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* @param string $post_type Post type. |
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* @return string The original, desired slug. |
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*/ |
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function gutenberg_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_ID, $post_status, $post_type ) { |
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if ( 'wp_template' !== $post_type && 'wp_template_part' !== $post_type ) { |
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return $override_slug; |
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} |
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|
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if ( ! $override_slug ) { |
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$override_slug = $slug; |
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} |
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|
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// Template slugs must be unique within the same theme. |
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// TODO - Figure out how to update this to work for a multi-theme |
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// environment. Unfortunately using `get_the_terms` for the 'wp-theme' |
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// term does not work in the case of new entities since is too early in |
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// the process to have been saved to the entity. So for now we use the |
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// currently activated theme for creation. |
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$theme = wp_get_theme()->get_stylesheet(); |
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$terms = get_the_terms( $post_ID, 'wp_theme' ); |
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if ( $terms && ! is_wp_error( $terms ) ) { |
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$theme = $terms[0]->name; |
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} |
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|
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$check_query_args = array( |
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'post_name__in' => array( $override_slug ), |
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'post_type' => $post_type, |
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'posts_per_page' => 1, |
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'no_found_rows' => true, |
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'post__not_in' => array( $post_ID ), |
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'tax_query' => array( |
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array( |
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'taxonomy' => 'wp_theme', |
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'field' => 'name', |
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'terms' => $theme, |
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), |
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), |
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); |
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$check_query = new WP_Query( $check_query_args ); |
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$posts = $check_query->posts; |
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|
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if ( count( $posts ) > 0 ) { |
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$suffix = 2; |
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do { |
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$query_args = $check_query_args; |
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$alt_post_name = _truncate_post_slug( $override_slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; |
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$query_args['post_name__in'] = array( $alt_post_name ); |
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$query = new WP_Query( $query_args ); |
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$suffix++; |
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} while ( count( $query->posts ) > 0 ); |
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$override_slug = $alt_post_name; |
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} |
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|
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return $override_slug; |
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} |
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add_filter( 'pre_wp_unique_post_slug', 'gutenberg_filter_wp_template_unique_post_slug', 10, 5 ); |
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|
