Add Notices and small bugfixes and improvements

README.md

@@ -35,7 +35,7 @@ Once the plugin is activate, there is no need to generate any code for you to pu
 
 ## Installation
 
-Composer install is suficient
+Composer install is sufficient
 ```
 composer install
 ```

config/di-config.php

@@ -17,11 +17,13 @@
 namespace Custom_PTT;
 
 use function DI\create;
+use function DI\decorate;
 
 return array(
 	'Admin_Menu'            => create( 'Custom_PTT\Admin\Admin_Menu' ),
 	'Taxonomy'              => create( 'Custom_PTT\Taxonomy\Taxonomy' ),
 	'Post_Type'             => create( 'Custom_PTT\Post_Type\Post_Type' ),
 	'Taxonomy_Form_Page'    => create( 'Custom_PTT\Admin\Taxonomy_Form_Page' ),
 	'Taxonomy_Form_Handler' => create( 'Custom_PTT\Admin\Taxonomy_Form_Handler' ),
+	'Notices'               => create( 'Custom_PTT\Admin\Notices' ),
 );

includes/Admin/Notices.php

@@ -0,0 +1,57 @@
+<?php
+
+declare( strict_types=1 );
+
+namespace Custom_PTT\Admin;
+
+use Exception;
+
+/**
+ * Notices Class
+ *
+ * This class is responsible for adding admin notices.
+ *
+ * @package Custom_PTT\Admin
+ * @since 0.1.0-alpha
+ */
+final class Notices {
+
+	public function __construct() {
+		$this->init();
+	}
+
+	public function init(): void {
+		add_action( 'admin_notices', array( Notices::class, 'display_admin_notices' ) );
+	}
+
+	/**
+	 * Add admin Notices
+	 *
+	 * @param string $severity
+	 * @param string $message
+	 *
+	 * @return void
+	 * @throws Exception
+	 */
+	public static function add_admin_notice( string $severity, string $message ): void {
+		$notices   = get_option( 'custom_ptt_notices', array() );
+		$notices[] = array(
+			'severity' => $severity,
+			'message'  => $message,
+		);
+		update_option( 'custom_ptt_notices', $notices );
+	}
+
+	/**
+	 * @throws Exception
+	 */
+	public static function display_admin_notices(): void {
+		$notices = get_option( 'custom_ptt_notices', array() );
+
+		foreach ( $notices as $notice ) {
+			printf( '<div class="notice notice-%s is-dismissible"><p>%s</p></div>', esc_attr( $notice['severity'] ), esc_html( $notice['message'] ) );
+		}
+
+		delete_option( 'custom_ptt_notices' );
+	}
+}

includes/Admin/Taxonomy_Form_Handler.php

@@ -67,13 +67,21 @@ public function handle_form_submission(): void {
 			}
 
 			$store_taxonomy = $this->store_taxonomy( $data );
-			if ( false === $store_taxonomy ) {
+			if ( ! array_key_exists( $data['taxonomy_slug'], $store_taxonomy ) ) {
 				throw new Exception( esc_html__( 'An error occurred while saving the taxonomy.', 'custom-post-types-taxonomies' ) );
 			}
 
+			Notices::add_admin_notice(
+				'success',
+				esc_html__( 'Taxonomy updated successfully.', 'custom-post-types-taxonomies' )
+			);
 			wp_redirect( admin_url( 'admin.php?page=custom-post-types-taxonomies-taxonomies&status=success' ) );
 
 		} catch ( Exception $e ) {
+			Notices::add_admin_notice(
+				'error',
+				$e->getMessage()
+			);
 			wp_redirect( admin_url( 'admin.php?page=custom-post-types-taxonomies-taxonomies&status=error' ) );
 		}
 		exit;
@@ -110,14 +118,16 @@ private function register_taxonomy( array $data ): WP_Error|WP_Taxonomy {
 	 *
 	 * @param array $data The data to use when storing the taxonomy.
 	 *
+	 * @return array Return the registered taxonomies.
 	 * @since 0.1.0-alpha
-	 * @return bool True if the option was updated successfully, false otherwise.
 	 */
-	private function store_taxonomy( array $data ): bool {
+	private function store_taxonomy( array $data ): array {
 		$taxonomies                           = get_option( CUSTOM_PTT_TAXONOMY_OPTION_NAME, array() );
 		$taxonomies[ $data['taxonomy_slug'] ] = $data;
 
-		return update_option( CUSTOM_PTT_TAXONOMY_OPTION_NAME, $taxonomies );
+		$update_taxonomy = update_option( CUSTOM_PTT_TAXONOMY_OPTION_NAME, $taxonomies );
+
+		return get_option( CUSTOM_PTT_TAXONOMY_OPTION_NAME, array() );
 	}
 
 	/**

includes/Admin/Taxonomy_Form_Page.php

@@ -5,7 +5,6 @@
 namespace Custom_PTT\Admin;
 
 use Exception;
-use Custom_PTT\Config\Config_Loader;
 use Custom_PTT\Infrastructure\Registerable;
 use Custom_PTT\Utilities;
 use WP_Taxonomy;
@@ -69,13 +68,7 @@ public function add_form_page(): void {
 	 * @throws Exception
 	 */
 	public function render_form(): void {
-		$taxonomy_name = '';
-		if (
-			isset( $_REQUEST['custom_ptt_taxonomy_nonce'] ) &&
-			wp_verify_nonce( $_REQUEST['custom_ptt_taxonomy_nonce'], 'custom_ptt_save_taxonomy' )
-		) {
-			$taxonomy_name = isset( $_GET['taxonomy'] ) ? sanitize_text_field( $_GET['taxonomy'] ) : '';
-		}
+		$taxonomy_name = isset( $_GET['taxonomy'] ) ? sanitize_text_field( $_GET['taxonomy'] ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
 
 		$taxonomy_data = null;
 		$taxonomy      = get_taxonomy( $taxonomy_name );