Implement persisting the enabled check categories checkboxes in user settings

assets/js/plugin-check-admin.js

@@ -35,6 +35,31 @@
 	canRunChecks();
 	pluginsList.addEventListener( 'change', canRunChecks );
 
+	/**
+	 * Saves the user settings.
+	 *
+	 * @since n.e.x.t
+	 */
+	function saveUserSettings() {
+		const selectedCategories = [];
+
+		// Assuming you have a list of category checkboxes, find the selected ones.
+		categoriesList.forEach( function ( checkbox ) {
+			if ( checkbox.checked ) {
+				selectedCategories.push( checkbox.value );
+			}
+		} );
+
+		// Join the selected category slugs with '__' and save it as a user setting.
+		const settingValue = selectedCategories.join( '__' );
+		window.setUserSetting( 'category_preferences', settingValue );
+	}
+
+	// Attach the saveUserSettings function when a category checkbox is clicked.
+	categoriesList.forEach( function ( checkbox ) {
+		checkbox.addEventListener( 'change', saveUserSettings );
+	} );
+
 	// When the Check it button is clicked.
 	checkItButton.addEventListener( 'click', ( e ) => {
 		e.preventDefault();

includes/Admin/Admin_Page.php

@@ -150,16 +150,23 @@ private function get_available_plugins() {
 	 * Renders the "Plugin Check" page.
 	 *
 	 * @since n.e.x.t
+	 *
+	 * @global array  $available_plugins        The list of available plugins.
+	 * @global string $selected_plugin_basename The selected plugin basename.
+	 * @global array  $categories               An array of categories.
+	 * @global mixed  $user_settings            The user interface setting value.
 	 */
 	public function render_page() {
-		global $available_plugins, $selected_plugin_basename, $categories;
+		global $available_plugins, $selected_plugin_basename, $categories, $user_settings;
 
 		$available_plugins = $this->get_available_plugins();
 
 		$selected_plugin_basename = filter_input( INPUT_GET, 'plugin', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
 
 		$categories = Check_Categories::get_categories();
 
+		$user_settings = get_user_setting( 'category_preferences' );
+
 		require WP_PLUGIN_CHECK_PLUGIN_DIR_PATH . 'templates/admin-page.php';
 	}
 

templates/admin-page.php

@@ -45,7 +45,18 @@
 							<fieldset>
 								<legend class="screen-reader-text"><?php echo esc_html( $category ); ?></legend>
 								<label for="<?php echo esc_attr( $category ); ?>">
-									<input type="checkbox" id="<?php echo esc_attr( $category ); ?>" name="categories" value="<?php echo esc_attr( $category ); ?>" checked="checked" />
+									<?php
+										$checked = false;
+										if ( $user_settings ) {
+											$selected_categories = explode( '__', $user_settings );
+											if ( in_array( $category, $selected_categories, true ) ) {
+												$checked = true;
+											}
+										} else {
+											$checked = true;
+										}
+									?>
+									<input type="checkbox" id="<?php echo esc_attr( $category ); ?>" name="categories" value="<?php echo esc_attr( $category ); ?>"<?php echo ( $checked ? ' checked="checked"' : '' ); ?> />
 									<?php echo esc_html( ucfirst( str_replace( '_', ' ', $category ) ) ); ?>
 								</label>
 							</fieldset>