tk-block-pattern-ui.php

<?php
/**
 * Plugin Name:       TK Block Pattern UI
 * Plugin URI:        https://trewknowledge.com
 * Description:       Provides a UI for creating block patterns.
 * Author:            Trew Knowledge
 * Author URI:        https://trewknowledge.com
 * Version:           0.0.1
 *
 * @package         TK_BlockPatternUI
 */

/**
 * Registers the block patterns post type.
 */
function tk_block_pattern_register_post_type() {
	$args = [
		'label'               => __( 'Block Patterns', 'tk_block_patterns' ),
		'public'              => false,
		'publicly_queryable'  => false,
		'show_in_rest'        => true,
		'show_in_nav_menus'   => false,
		'show_in_admin_bar'   => true,
		'exclude_from_search' => true,
		'show_ui'             => true,
		'show_in_menu'        => true,
		'menu_position'       => null,
		'menu_icon'           => 'dashicons-screenoptions',
		'can_export'          => true,
		'delete_with_user'    => false,
		'hierarchical'        => false,
		'has_archive'         => false,
		'rewrite'             => false,
		'supports'            => [ 'title', 'editor', 'revisions' ],
	];
	register_post_type( 'tk_block_patterns', $args );
}
add_action( 'init', 'tk_block_pattern_register_post_type' );

/**
 * Registers the block patterns taxonomy.
 */
function tk_block_pattern_register_taxonomy() {
	$labels = [
		'name'          => __( 'Category', 'tk_block_patterns' ),
		'singular_name' => __( 'Category', 'tk_block_patterns' ),
		'menu_name'     => __( 'Category', 'tk_block_patterns' ),
	];

	$args = [
		'hierarchical'      => true,
		'labels'            => $labels,
		'show_ui'           => true,
		'show_in_rest'      => true,
		'show_in_nav_menus' => false,
		'show_admin_column' => true,
		'query_var'         => true,
	];

	register_taxonomy( 'tk_block_pattern_category', 'tk_block_patterns', $args );
}
add_action( 'init', 'tk_block_pattern_register_taxonomy' );

/**
 * Creates the block Patterns.
 */
function tk_register_block_patterns() {

	/**
	 * Creates the block pattern categories from the Block Pattern taxonomy.
	 */
	$terms = get_terms(
		[
			'taxonomy'   => 'tk_block_pattern_category',
			'hide_empty' => true,
		]
	);

	if ( ! empty( $terms ) && ! is_wp_error( $terms ) ) {
		foreach ( $terms as $term ) {
			// phpcs:disable  WordPress.WP.I18n.NonSingularStringLiteralText
			// The Term name needs to be dynamic and not a hard coded string.
			register_block_pattern_category(
				'tk_' . $term->slug,
				[ 'label' => __( $term->name, 'tk_block_patterns' ) ]
			);
			//phpcs:enable

		}
	}

	/**
	 * Creates the block patterns from the Block Patterns post type
	 */
	$patterns = new WP_Query(
		[
			'post_type'      => 'tk_block_patterns',
			'posts_per_page' => -1,
		]
	);

	if ( $patterns->have_posts() ) {

		while ( $patterns->have_posts() ) {
			$patterns->the_post();
			global $post;

			$term_obj_list = get_the_terms( $post->ID, 'tk_block_pattern_category' );

			if ( is_array( $term_obj_list ) ) {
				register_block_pattern(
					'tk/' . sanitize_key( $post->post_name ),
					[
						'title'      => wp_strip_all_tags( $post->post_title ),
						'content'    => $post->post_content,
						'categories' => array_map(
							function( $value ) {
								return 'tk_' . $value;
							},
							wp_list_pluck( $term_obj_list, 'slug' )
						),
					]
				);
			}
		}
	}
	wp_reset_postdata();

}
add_action( 'init', 'tk_register_block_patterns' );