Using BladeOne again, got the admin page to show

admin/class-adminsettings.php

@@ -44,16 +44,16 @@ class AdminSettings {
 	 *
 	 * @since 1.0.0
 	 *
-	 * @return string
+	 * @return void
 	 */
-	public function show_main_settings_page(): string {
+	public function show_main_settings_page(): void {
 		$data = array();
 		$this->localize_script();
 
 		ob_start();
 		echo nmsp_plugin_app()->blade->run( 'admin.settings', $data );
 		$output = ob_get_clean();
-		return wp_kses_post( $output );
+		echo wp_kses_post( $output );
 	}
 
 	/**

admin/nmsp-admin-functions.php

@@ -0,0 +1,48 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Show a notice on the admin panel.
+ *
+ * @since 1.0.0
+ *
+ * @param string $message      The message to show in the notice
+ * @param string $type         The 'type' of notice, e.g. info (default), success, warning, or error
+ * @param bool   $dismissible  Whether the notice should be dismissible
+ *
+ * @return string
+ */
+function nmsp_admin_notice( string $message, string $type = 'info', bool $dismissible = true ) {
+	$classes = 'notice';
+	switch ($type) {
+		case 'success':
+			$classes .= ' notice-success';
+			break;
+		case 'warning':
+			$classes .= ' notice-warning';
+			break;
+		case 'error':
+			$classes .= ' notice-error';
+			break;
+		case 'info':
+		default:
+			$classes .= ' notice-info';
+	}
+
+	if ( $dismissible ) {
+		$classes .= ' is-dismissible';
+	}
+
+	add_action( 'admin_notices', function () use ( $classes, $message ) {
+		ob_start();
+		?>
+		<div class="<?php echo $classes; ?>">
+			<p><?php _e( $message, 'nmsp-plugin-name-text-domain' ); ?></p>
+		</div>
+		<?php
+		echo ob_get_clean();
+	});
+}

composer.json

@@ -12,7 +12,7 @@
   ],
   "require": {
     "php": ">=7.3.0",
-    "eftec/bladeone": "^3.52"
+    "eftec/bladeone": "^4.1"
   },
   "require-dev": {
     "php-parallel-lint/php-parallel-lint": "^1.3.0",

composer.lock

@@ -4,30 +4,30 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2684d1770bbee2bb8f671fbbb3919f1e",
+    "content-hash": "93b4f488145c9bf1c4ecf7adad47614e",
     "packages": [
         {
             "name": "eftec/bladeone",
-            "version": "3.52",
+            "version": "4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/EFTEC/BladeOne.git",
-                "reference": "a19bf66917de0b29836983db87a455a4f6e32148"
+                "reference": "d3e1efa1c6f776aa87fe47164d77e7ea67fc196f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/EFTEC/BladeOne/zipball/a19bf66917de0b29836983db87a455a4f6e32148",
-                "reference": "a19bf66917de0b29836983db87a455a4f6e32148",
+                "url": "https://api.github.com/repos/EFTEC/BladeOne/zipball/d3e1efa1c6f776aa87fe47164d77e7ea67fc196f",
+                "reference": "d3e1efa1c6f776aa87fe47164d77e7ea67fc196f",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
-                "php": ">=5.6"
+                "php": ">=7.1.3"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^2.16.1",
+                "friendsofphp/php-cs-fixer": "^3.1",
                 "phpunit/phpunit": "^5.7",
-                "squizlabs/php_codesniffer": "^3.5.4"
+                "squizlabs/php_codesniffer": "^3.6.0"
             },
             "suggest": {
                 "eftec/bladeonehtml": "Extension to create forms",
@@ -60,9 +60,9 @@
             ],
             "support": {
                 "issues": "https://github.com/EFTEC/BladeOne/issues",
-                "source": "https://github.com/EFTEC/BladeOne/tree/3.52"
+                "source": "https://github.com/EFTEC/BladeOne/tree/4.1"
             },
-            "time": "2021-04-17T13:49:01+00:00"
+            "time": "2021-09-29T15:23:25+00:00"
         }
     ],
     "packages-dev": [

includes/class-app.php

@@ -11,12 +11,6 @@ if ( ! defined( 'ABSPATH' ) ) {
 
 class App {
 
-	/** @var string */
-	public $version = '1.0.0';
-
-	/** @var string */
-	public $db_version = '1.0.0';
-
 	/** @var \PluginNamespace\App */
 	public static $instance;
 
@@ -32,6 +26,12 @@ class App {
 	 */
 	public static function plugin_activation(): void {
 		self::ensure_template_cache_dir_exists();
+
+		$plugin_metadata = array(
+			'plugin_version' => PLUGIN_NAME_VERSION,
+			'db_version'     => PLUGIN_NAME_DB_VERSION,
+		);
+		add_option( 'nmsp_plugin_metadata', $plugin_metadata );
 	}
 
 	/**
@@ -151,9 +151,10 @@ class App {
 	public function includes(): void {
 		// Files to include on the admin.
 		if ( is_admin() ) {
+			require_once NMSP_PLUGIN_BASE_DIR . '/admin/nmsp-admin-functions.php';
+			require_once NMSP_PLUGIN_BASE_DIR . '/admin/nmsp-update-functions.php';
 			require_once NMSP_PLUGIN_BASE_DIR . '/admin/class-adminsettings.php';
 		}
-		//
 
 		// Files to include on every request.
 		//
@@ -163,7 +164,7 @@ class App {
 	}
 
 	/**
-	 * Load Blade as the templating engine for the plugin.
+	 * Load BladeOne as the templating engine for the plugin.
 	 *
 	 * @since 1.0.0
 	 *

nmsp-plugin-name.php

@@ -40,6 +40,9 @@ if ( ! defined( 'ABSPATH' ) ) {
 if ( ! defined( 'PLUGIN_NAME_VERSION' ) ) {
     define( 'PLUGIN_NAME_VERSION', '1.0.0' );
 }
+if ( ! defined( 'PLUGIN_NAME_DB_VERSION' ) ) {
+    define( 'PLUGIN_NAME_DB_VERSION', '1.0.0' );
+}
 
 if ( ! defined('NMSP_PLUGIN_BASE_DIR') ) {
     define( 'NMSP_PLUGIN_BASE_DIR', __DIR__ );
@@ -54,8 +57,7 @@ if ( defined( 'WP_CLI' ) && WP_CLI ) {
 	require_once __DIR__ . '/includes/class-nmspcli.php';
 }
 
-$mode = BladeOne::MODE_DEBUG; // Can also be MODE_AUTO|MODE_DEBUG
-$blade = new BladeOne( __DIR__ . '/templates', __DIR__ . '/cache/blade', $mode );
+$blade = new BladeOne( __DIR__ . '/templates', __DIR__ . '/cache/blade' );
 
 register_activation_hook( __FILE__, array( App::class, 'plugin_activation' ) );
 register_deactivation_hook( __FILE__, array( App::class, 'plugin_deactivation' ) );