Add additional services system (v0.5.0)

- Service CPT with pricing types: Included, Per Booking, Per Night
- ServiceCategory taxonomy with default categories
- Booking-services integration with service selector
- Real-time price calculation based on nights and quantity
- Services total and grand total display in booking admin

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/Taxonomies/ServiceCategory.php

@@ -0,0 +1,276 @@
+<?php
+/**
+ * Service Category taxonomy.
+ *
+ * Non-hierarchical taxonomy for categorizing additional services.
+ *
+ * @package Magdev\WpBnb\Taxonomies
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Taxonomies;
+
+/**
+ * Service Category taxonomy class.
+ */
+final class ServiceCategory {
+
+	/**
+	 * Taxonomy slug.
+	 *
+	 * @var string
+	 */
+	public const TAXONOMY = 'bnb_service_category';
+
+	/**
+	 * Initialize the taxonomy.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		add_action( 'init', array( self::class, 'register' ) );
+		add_action( 'bnb_service_category_add_form_fields', array( self::class, 'add_form_fields' ) );
+		add_action( 'bnb_service_category_edit_form_fields', array( self::class, 'edit_form_fields' ), 10, 2 );
+		add_action( 'created_bnb_service_category', array( self::class, 'save_term_meta' ), 10, 2 );
+		add_action( 'edited_bnb_service_category', array( self::class, 'save_term_meta' ), 10, 2 );
+		add_filter( 'manage_edit-bnb_service_category_columns', array( self::class, 'add_columns' ) );
+		add_filter( 'manage_bnb_service_category_custom_column', array( self::class, 'render_column' ), 10, 3 );
+	}
+
+	/**
+	 * Register the taxonomy.
+	 *
+	 * @return void
+	 */
+	public static function register(): void {
+		$labels = array(
+			'name'                       => _x( 'Service Categories', 'taxonomy general name', 'wp-bnb' ),
+			'singular_name'              => _x( 'Service Category', 'taxonomy singular name', 'wp-bnb' ),
+			'search_items'               => __( 'Search Service Categories', 'wp-bnb' ),
+			'popular_items'              => __( 'Popular Service Categories', 'wp-bnb' ),
+			'all_items'                  => __( 'All Service Categories', 'wp-bnb' ),
+			'parent_item'                => null,
+			'parent_item_colon'          => null,
+			'edit_item'                  => __( 'Edit Service Category', 'wp-bnb' ),
+			'update_item'                => __( 'Update Service Category', 'wp-bnb' ),
+			'add_new_item'               => __( 'Add New Service Category', 'wp-bnb' ),
+			'new_item_name'              => __( 'New Service Category Name', 'wp-bnb' ),
+			'separate_items_with_commas' => __( 'Separate categories with commas', 'wp-bnb' ),
+			'add_or_remove_items'        => __( 'Add or remove categories', 'wp-bnb' ),
+			'choose_from_most_used'      => __( 'Choose from the most used categories', 'wp-bnb' ),
+			'not_found'                  => __( 'No service categories found.', 'wp-bnb' ),
+			'menu_name'                  => __( 'Categories', 'wp-bnb' ),
+			'back_to_items'              => __( '&larr; Back to Categories', 'wp-bnb' ),
+		);
+
+		$args = array(
+			'labels'                => $labels,
+			'hierarchical'          => false, // Non-hierarchical (like tags).
+			'public'                => true,
+			'publicly_queryable'    => true,
+			'show_ui'               => true,
+			'show_in_menu'          => true,
+			'show_in_nav_menus'     => true,
+			'show_in_rest'          => true,
+			'show_tagcloud'         => false,
+			'show_in_quick_edit'    => true,
+			'show_admin_column'     => true,
+			'rewrite'               => array(
+				'slug'       => 'service-category',
+				'with_front' => false,
+			),
+			'query_var'             => true,
+			'capabilities'          => array(
+				'manage_terms' => 'manage_options',
+				'edit_terms'   => 'manage_options',
+				'delete_terms' => 'manage_options',
+				'assign_terms' => 'edit_posts',
+			),
+		);
+
+		register_taxonomy( self::TAXONOMY, array( 'bnb_service' ), $args );
+	}
+
+	/**
+	 * Add custom fields to the add term form.
+	 *
+	 * @return void
+	 */
+	public static function add_form_fields(): void {
+		?>
+		<div class="form-field term-icon-wrap">
+			<label for="service-category-icon"><?php esc_html_e( 'Icon', 'wp-bnb' ); ?></label>
+			<select name="service_category_icon" id="service-category-icon">
+				<?php foreach ( self::get_icon_options() as $value => $label ) : ?>
+					<option value="<?php echo esc_attr( $value ); ?>"><?php echo esc_html( $label ); ?></option>
+				<?php endforeach; ?>
+			</select>
+			<p><?php esc_html_e( 'Select an icon to represent this category.', 'wp-bnb' ); ?></p>
+		</div>
+		<div class="form-field term-sort-order-wrap">
+			<label for="service-category-sort-order"><?php esc_html_e( 'Sort Order', 'wp-bnb' ); ?></label>
+			<input type="number" name="service_category_sort_order" id="service-category-sort-order" value="0" min="0">
+			<p><?php esc_html_e( 'Lower numbers appear first.', 'wp-bnb' ); ?></p>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Add custom fields to the edit term form.
+	 *
+	 * @param \WP_Term $term     Current term object.
+	 * @param string   $taxonomy Current taxonomy slug.
+	 * @return void
+	 */
+	public static function edit_form_fields( \WP_Term $term, string $taxonomy ): void {
+		$icon       = get_term_meta( $term->term_id, 'service_category_icon', true );
+		$sort_order = get_term_meta( $term->term_id, 'service_category_sort_order', true );
+		?>
+		<tr class="form-field term-icon-wrap">
+			<th scope="row">
+				<label for="service-category-icon"><?php esc_html_e( 'Icon', 'wp-bnb' ); ?></label>
+			</th>
+			<td>
+				<select name="service_category_icon" id="service-category-icon">
+					<?php foreach ( self::get_icon_options() as $value => $label ) : ?>
+						<option value="<?php echo esc_attr( $value ); ?>" <?php selected( $icon, $value ); ?>>
+							<?php echo esc_html( $label ); ?>
+						</option>
+					<?php endforeach; ?>
+				</select>
+				<p class="description"><?php esc_html_e( 'Select an icon to represent this category.', 'wp-bnb' ); ?></p>
+			</td>
+		</tr>
+		<tr class="form-field term-sort-order-wrap">
+			<th scope="row">
+				<label for="service-category-sort-order"><?php esc_html_e( 'Sort Order', 'wp-bnb' ); ?></label>
+			</th>
+			<td>
+				<input type="number" name="service_category_sort_order" id="service-category-sort-order"
+					   value="<?php echo esc_attr( $sort_order ?: '0' ); ?>" min="0">
+				<p class="description"><?php esc_html_e( 'Lower numbers appear first.', 'wp-bnb' ); ?></p>
+			</td>
+		</tr>
+		<?php
+	}
+
+	/**
+	 * Save term meta data.
+	 *
+	 * @param int $term_id Term ID.
+	 * @param int $tt_id   Term taxonomy ID.
+	 * @return void
+	 */
+	public static function save_term_meta( int $term_id, int $tt_id ): void {
+		if ( isset( $_POST['service_category_icon'] ) ) {
+			update_term_meta(
+				$term_id,
+				'service_category_icon',
+				sanitize_text_field( wp_unslash( $_POST['service_category_icon'] ) )
+			);
+		}
+		if ( isset( $_POST['service_category_sort_order'] ) ) {
+			update_term_meta(
+				$term_id,
+				'service_category_sort_order',
+				absint( $_POST['service_category_sort_order'] )
+			);
+		}
+	}
+
+	/**
+	 * Add custom columns to the taxonomy list.
+	 *
+	 * @param array $columns Existing columns.
+	 * @return array
+	 */
+	public static function add_columns( array $columns ): array {
+		$new_columns = array();
+		foreach ( $columns as $key => $value ) {
+			$new_columns[ $key ] = $value;
+			if ( 'name' === $key ) {
+				$new_columns['icon']       = __( 'Icon', 'wp-bnb' );
+				$new_columns['sort_order'] = __( 'Sort Order', 'wp-bnb' );
+			}
+		}
+		return $new_columns;
+	}
+
+	/**
+	 * Render custom column content.
+	 *
+	 * @param string $content     Column content.
+	 * @param string $column_name Column name.
+	 * @param int    $term_id     Term ID.
+	 * @return string
+	 */
+	public static function render_column( string $content, string $column_name, int $term_id ): string {
+		if ( 'icon' === $column_name ) {
+			$icon = get_term_meta( $term_id, 'service_category_icon', true );
+			if ( $icon ) {
+				return '<span class="dashicons dashicons-' . esc_attr( $icon ) . '"></span>';
+			}
+			return '—';
+		}
+		if ( 'sort_order' === $column_name ) {
+			$sort_order = get_term_meta( $term_id, 'service_category_sort_order', true );
+			return esc_html( $sort_order ?: '0' );
+		}
+		return $content;
+	}
+
+	/**
+	 * Get available icon options.
+	 *
+	 * @return array<string, string>
+	 */
+	public static function get_icon_options(): array {
+		return array(
+			''                   => __( '— Select Icon —', 'wp-bnb' ),
+			'food'               => __( 'Food & Dining', 'wp-bnb' ),
+			'car'                => __( 'Transportation', 'wp-bnb' ),
+			'heart'              => __( 'Wellness & Spa', 'wp-bnb' ),
+			'tickets-alt'        => __( 'Activities', 'wp-bnb' ),
+			'admin-home'         => __( 'Housekeeping', 'wp-bnb' ),
+			'admin-appearance'   => __( 'Room Service', 'wp-bnb' ),
+			'store'              => __( 'Shopping', 'wp-bnb' ),
+			'groups'             => __( 'Childcare', 'wp-bnb' ),
+			'pets'               => __( 'Pet Services', 'wp-bnb' ),
+			'businessman'        => __( 'Business', 'wp-bnb' ),
+			'calendar'           => __( 'Events', 'wp-bnb' ),
+			'camera'             => __( 'Photography', 'wp-bnb' ),
+			'admin-generic'      => __( 'Other', 'wp-bnb' ),
+		);
+	}
+
+	/**
+	 * Get default service categories to seed on activation.
+	 *
+	 * @return array<string, array{icon: string, sort_order: int}>
+	 */
+	public static function get_default_terms(): array {
+		return array(
+			__( 'Food & Dining', 'wp-bnb' )    => array(
+				'icon'       => 'food',
+				'sort_order' => 10,
+			),
+			__( 'Transportation', 'wp-bnb' )   => array(
+				'icon'       => 'car',
+				'sort_order' => 20,
+			),
+			__( 'Wellness & Spa', 'wp-bnb' )   => array(
+				'icon'       => 'heart',
+				'sort_order' => 30,
+			),
+			__( 'Activities', 'wp-bnb' )       => array(
+				'icon'       => 'tickets-alt',
+				'sort_order' => 40,
+			),
+			__( 'Housekeeping', 'wp-bnb' )     => array(
+				'icon'       => 'admin-home',
+				'sort_order' => 50,
+			),
+		);
+	}
+}