update

wp-content/plugins/yacht-booking-system/includes/class-yacht-booking.php

@@ -218,6 +218,16 @@ class Yacht_Booking {
 			YACHT_BOOKING_VERSION
 		);
 
+		// WP color picker on yacht edit form.
+		if ( isset( $_GET['page'] ) && 'yacht-bookings-add-yacht' === $_GET['page'] ) {
+			wp_enqueue_style( 'wp-color-picker' );
+			wp_enqueue_script( 'wp-color-picker' );
+			wp_add_inline_script(
+				'wp-color-picker',
+				'jQuery(function($){ $(".yacht-color-picker").wpColorPicker(); });'
+			);
+		}
+
 		wp_enqueue_script(
 			'yacht-booking-admin',
 			YACHT_BOOKING_PLUGIN_URL . 'admin/assets/js/admin.js',

wp-content/plugins/yacht-booking-system/includes/class-yacht.php

@@ -152,4 +152,37 @@ class Yacht {
 	public static function update_features( $yacht_id, $features ) {
 		update_post_meta( $yacht_id, '_yacht_features', is_array( $features ) ? $features : array() );
 	}
+
+	/**
+	 * Get admin-selected yacht color for the aggregated calendar.
+	 *
+	 * Returns sanitized hex (#rrggbb, lowercase) or '' when not set.
+	 *
+	 * @param int $yacht_id Yacht post ID.
+	 * @return string
+	 */
+	public static function get_color( $yacht_id ) {
+		$value = (string) get_post_meta( $yacht_id, '_yacht_color', true );
+		if ( '' === $value ) {
+			return '';
+		}
+		return preg_match( '/^#[0-9a-f]{6}$/i', $value ) ? strtolower( $value ) : '';
+	}
+
+	/**
+	 * Update yacht color. Empty value removes the meta (fallback to palette).
+	 *
+	 * @param int    $yacht_id Yacht post ID.
+	 * @param string $color    Hex color (#rrggbb) or empty string.
+	 */
+	public static function update_color( $yacht_id, $color ) {
+		$color = trim( (string) $color );
+		if ( '' === $color ) {
+			delete_post_meta( $yacht_id, '_yacht_color' );
+			return;
+		}
+		if ( preg_match( '/^#[0-9a-f]{6}$/i', $color ) ) {
+			update_post_meta( $yacht_id, '_yacht_color', strtolower( $color ) );
+		}
+	}
 }