Merge pull request #3 from BeAPI/feature/multisite-checks

Various refactor of the plugin boostrap file

Author: petitphp

includes/Main.php

@@ -14,6 +14,13 @@
  * Network: true
  */
 
+namespace Beapi\MultisiteSharedBlocks;
+
+use Beapi\MultisiteSharedBlocks\Admin\Main as AdminMain;
+use Beapi\MultisiteSharedBlocks\Blocks\SharedBlock;
+use Beapi\MultisiteSharedBlocks\Gutenberg\SharedBlocksAttributes;
+use Beapi\MultisiteSharedBlocks\Rest\Rest;
+
 // Don't load directly
 if ( ! defined( 'ABSPATH' ) ) {
 	die( '-1' );
@@ -33,29 +40,62 @@
 define( 'MULTISITE_SHARED_BLOCKS_DIR', plugin_dir_path( __FILE__ ) );
 define( 'MULTISITE_SHARED_BLOCKS_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
 
+// Plugin only support multisite installation.
+if ( ! is_multisite() ) {
+	add_action( 'admin_init', __NAMESPACE__ . '\\handle_multisite_support_issue' );
+
+	return;
+}
+
 register_activation_hook( __FILE__, [ \Beapi\MultisiteSharedBlocks\Plugin::class, 'activate' ] );
 
-add_action( 'plugins_loaded', 'init_multisite_shared_blocks_plugin' );
+add_action( 'plugins_loaded', __NAMESPACE__ . '\\init' );
 /**
  * Init the plugin
  */
-function init_multisite_shared_blocks_plugin(): void {
+function init(): void {
 
 	// Register custom table and check for schema updates
-	\Beapi\MultisiteSharedBlocks\Database::setup();
+	Database::setup();
 
-	\Beapi\MultisiteSharedBlocks\Main::get_instance();
-	\Beapi\MultisiteSharedBlocks\Gutenberg\SharedBlocksAttributes::get_instance();
-	\Beapi\MultisiteSharedBlocks\Blocks\SharedBlock::get_instance();
-	\Beapi\MultisiteSharedBlocks\Listener::get_instance();
-	\Beapi\MultisiteSharedBlocks\Rest\Rest::get_instance();
-	\Beapi\MultisiteSharedBlocks\Preview::get_instance();
+	SharedBlocksAttributes::get_instance();
+	SharedBlock::get_instance();
+	Listener::get_instance();
+	Rest::get_instance();
+	Preview::get_instance();
 
 	if ( is_admin() ) {
-		\Beapi\MultisiteSharedBlocks\Admin\Main::get_instance();
+		AdminMain::get_instance();
 	}
 
 	if ( defined( 'WP_CLI' ) && WP_CLI ) {
-		\WP_CLI::add_command( 'multisite-shared-blocks', \Beapi\MultisiteSharedBlocks\Cli::class );
+		\WP_CLI::add_command( 'multisite-shared-blocks', Cli::class );
+	}
+}
+
+/**
+ * Handle multisite support issue.
+ *
+ * Deactivate the plugin and display an admin notices to users if they are able to manage plugins.
+ *
+ * @return void
+ */
+function handle_multisite_support_issue(): void {
+	if ( wp_doing_ajax() || ! current_user_can( 'activate_plugins' ) ) {
+		return;
 	}
+
+	// Deactivate plugin
+	deactivate_plugins( __FILE__ );
+	unset( $_GET['activate'] ); //phpcs:ignore WordPress.Security.NonceVerification.Recommended
+
+	// Display admin notices
+	add_action(
+		'admin_notices',
+		function () {
+			echo '<div class="notice error">';
+			echo sprintf( '<p>%s</p>', esc_html__( 'Multisite Shared Blocks require a multisite installation to work.', 'multisite-shared-blocks' ) );
+			echo '</div>';
+		}
+	);
 }