Legacy Forms: Add Warning Notice

admin/class-convertkit-admin-legacy-resource-notice.php

@@ -0,0 +1,265 @@
+<?php
+/**
+ * ConvertKit Admin Legacy Resource Notice class.
+ *
+ * @package ConvertKit
+ * @author ConvertKit
+ */
+
+/**
+ * Renders a non-dismissible warning notice in the WordPress admin when a
+ * Post or Page references a Legacy Form or Legacy Landing Page.
+ *
+ * @since   3.3.7
+ */
+class ConvertKit_Admin_Legacy_Resource_Notice {
+
+	/**
+	 * The Gutenberg notice ID, used both as the deduplication key and as
+	 * the JS-side selector when tests need to locate the notice.
+	 *
+	 * @since   3.3.7
+	 *
+	 * @var     string
+	 */
+	const GUTENBERG_NOTICE_ID = 'convertkit-legacy-resource-warning';
+
+	/**
+	 * Registers action and filter hooks.
+	 *
+	 * @since   3.3.7
+	 */
+	public function __construct() {
+
+		add_action( 'admin_notices', array( $this, 'output_classic_editor_notice' ) );
+		add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_gutenberg_notice' ) );
+
+	}
+
+	/**
+	 * Outputs the consolidated warning notice on the classic editor's post
+	 * edit screen. Non-dismissible (no `is-dismissible` class).
+	 *
+	 * @since   3.3.7
+	 */
+	public function output_classic_editor_notice() {
+
+		// Bail if not on a post edit screen.
+		if ( convertkit_get_current_screen( 'base' ) !== 'post' ) {
+			return;
+		}
+		if ( ! in_array( convertkit_get_current_screen( 'post_type' ), convertkit_get_supported_post_types(), true ) ) {
+			return;
+		}
+
+		// Bail if no post ID is found.
+		$post_id = $this->get_current_post_id();
+		if ( ! $post_id ) {
+			return;
+		}
+
+		// Get warnings.
+		$warnings = $this->get_legacy_warnings_for_post_settings( $post_id );
+
+		// Bail if no warnings are found.
+		if ( empty( $warnings ) ) {
+			return;
+		}
+
+		// Output warnings.
+		?>
+		<div class="notice notice-warning">
+			<p>
+				<strong><?php esc_html_e( 'Kit', 'convertkit' ); ?>:</strong>
+				<?php esc_html_e( 'This page uses one or more legacy Kit resources that are no longer offered for new selections. The following continue to work, but we recommend migrating:', 'convertkit' ); ?>
+			</p>
+			<ul>
+				<?php
+				foreach ( $warnings as $warning ) {
+					echo '<li>' . esc_html( $warning ) . '</li>';
+				}
+				?>
+			</ul>
+		</div>
+		<?php
+
+	}
+
+	/**
+	 * Enqueues a small JS handler that renders the same warning inside
+	 * Gutenberg via wp.data.dispatch('core/notices'). Non-dismissible via
+	 * the `isDismissible: false` option.
+	 *
+	 * @since   3.3.7
+	 */
+	public function enqueue_gutenberg_notice() {
+
+		// Bail if not on a post edit screen.
+		if ( convertkit_get_current_screen( 'base' ) !== 'post' ) {
+			return;
+		}
+
+		// Bail if not on a supported post type.
+		if ( ! in_array( convertkit_get_current_screen( 'post_type' ), convertkit_get_supported_post_types(), true ) ) {
+			return;
+		}
+
+		// Bail if no post ID is found.
+		$post_id = $this->get_current_post_id();
+		if ( ! $post_id ) {
+			return;
+		}
+
+		// Get warnings.
+		$warnings = $this->get_legacy_warnings_for_post_settings( $post_id );
+
+		// Bail if no warnings are found.
+		if ( empty( $warnings ) ) {
+			return;
+		}
+
+		// Enqueue script.
+		wp_enqueue_script(
+			'convertkit-admin-legacy-resource-notice',
+			CONVERTKIT_PLUGIN_URL . 'resources/backend/js/legacy-resource-notice.js',
+			array( 'wp-data', 'wp-notices' ),
+			CONVERTKIT_PLUGIN_VERSION,
+			true
+		);
+
+		// Localize script.
+		wp_localize_script(
+			'convertkit-admin-legacy-resource-notice',
+			'convertkit_legacy_resource_notice',
+			array(
+				'id'       => self::GUTENBERG_NOTICE_ID,
+				'intro'    => __( 'Kit: This page uses one or more legacy Kit resources that are no longer offered for new selections. The following continue to work, but we recommend migrating:', 'convertkit' ),
+				'warnings' => $warnings,
+			)
+		);
+
+	}
+
+	/**
+	 * Returns an array of warning strings for the given Post, if the Post settings
+	 * reference a Legacy Form or Legacy Landing Page.
+	 *
+	 * @since   3.3.7
+	 *
+	 * @param   int $post_id Post ID.
+	 * @return  array
+	 */
+	private function get_legacy_warnings_for_post_settings( $post_id ) {
+
+		// Get Post settings.
+		$convertkit_post = new ConvertKit_Post( $post_id );
+		$settings        = $convertkit_post->get();
+
+		// Get resources.
+		$forms         = new ConvertKit_Resource_Forms();
+		$landing_pages = new ConvertKit_Resource_Landing_Pages();
+
+		// Initialize warnings array.
+		$warnings = array();
+
+		// Form.
+		if ( $forms->is_legacy( $convertkit_post->get_form() ) ) {
+			$warnings[] = sprintf(
+				/* translators: %s: Form name */
+				__( 'Form: %s', 'convertkit' ),
+				$this->get_form_display_name( $convertkit_post->get_form(), $forms )
+			);
+		}
+
+		// Landing Page.
+		if ( $landing_pages->is_legacy( $convertkit_post->get_landing_page() ) ) {
+			$warnings[] = sprintf(
+				/* translators: %s: Landing page name */
+				__( 'Landing Page: %s', 'convertkit' ),
+				$this->get_landing_page_display_name( $convertkit_post->get_landing_page(), $landing_pages )
+			);
+		}
+
+		// Restrict Content.
+		if ( $convertkit_post->get_restrict_content_type() === 'form' && $forms->is_legacy( $convertkit_post->get_restrict_content_id() ) ) {
+			$warnings[] = sprintf(
+				/* translators: %s: Form name */
+				__( 'Member Content: %s', 'convertkit' ),
+				$this->get_form_display_name( $convertkit_post->get_restrict_content_id(), $forms )
+			);
+		}
+
+		return $warnings;
+
+	}
+
+	/**
+	 * Resolves the form ID to a human-readable "Form Name" string, falling
+	 * back to "a Legacy Form" when the resource isn't cached.
+	 *
+	 * @since   3.3.7
+	 *
+	 * @param   int                       $form_id  Form ID.
+	 * @param   ConvertKit_Resource_Forms $forms  Forms resource class.
+	 * @return  string
+	 */
+	private function get_form_display_name( $form_id, $forms ) {
+
+		$form = $forms->get_by_id( $form_id );
+		if ( $form && ! empty( $form['name'] ) ) {
+			return sanitize_text_field( $form['name'] );
+		}
+
+		return __( 'a Legacy Form', 'convertkit' );
+
+	}
+
+	/**
+	 * Resolves the landing page identifier (numeric ID or URL string) to a
+	 * human-readable "Landing Page Name" string, falling back to
+	 * "a Legacy Landing Page" when the resource isn't cached.
+	 *
+	 * @since   3.3.7
+	 *
+	 * @param   int|string                        $id_or_url      Landing Page ID or URL.
+	 * @param   ConvertKit_Resource_Landing_Pages $landing_pages  Landing Pages resource class.
+	 * @return  string
+	 */
+	private function get_landing_page_display_name( $id_or_url, $landing_pages ) {
+
+		// URL-string legacy assignments (pre-1.9.6) don't have a cached
+		// resource entry we can look up by ID, so fall back straight away.
+		if ( is_string( $id_or_url ) && strstr( $id_or_url, 'http' ) ) {
+			return __( 'a Legacy Landing Page', 'convertkit' );
+		}
+
+		$landing_page = $landing_pages->get_by_id( (int) $id_or_url );
+		if ( $landing_page && ! empty( $landing_page['name'] ) ) {
+			return sanitize_text_field( $landing_page['name'] );
+		}
+
+		return __( 'a Legacy Landing Page', 'convertkit' );
+
+	}
+
+	/**
+	 * Returns the current post ID being edited, or 0 if not on a post edit
+	 * screen. Reads $_GET['post'] because $post isn't always set in the
+	 * admin_notices / enqueue_block_editor_assets hook contexts.
+	 *
+	 * @since   3.3.7
+	 *
+	 * @return  int
+	 */
+	private function get_current_post_id() {
+
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
+		if ( isset( $_GET['post'] ) ) {
+			return absint( $_GET['post'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+		}
+
+		return 0;
+
+	}
+
+}

includes/class-wp-convertkit.php

@@ -83,6 +83,7 @@ private function initialize_admin() {
 		$this->classes['admin_cache_plugins']                    = new ConvertKit_Admin_Cache_Plugins();
 		$this->classes['admin_category']                         = new ConvertKit_Admin_Category();
 		$this->classes['admin_landing_page']                     = new ConvertKit_Admin_Landing_Page();
+		$this->classes['admin_legacy_resource_notice']           = new ConvertKit_Admin_Legacy_Resource_Notice();
 		$this->classes['admin_importer_activecampaign']          = new ConvertKit_Admin_Importer_ActiveCampaign();
 		$this->classes['admin_importer_aweber']                  = new ConvertKit_Admin_Importer_AWeber();
 		$this->classes['admin_importer_campaignmonitor']         = new ConvertKit_Admin_Importer_CampaignMonitor();

resources/backend/js/legacy-resource-notice.js

@@ -0,0 +1,49 @@
+/**
+ * Renders a non-dismissible warning notice inside Gutenberg
+ * when a post/page references a legacy Kit resource.
+ *
+ * @author ConvertKit
+ * @since  3.3.7
+ */
+
+document.addEventListener('DOMContentLoaded', function () {
+	// Bail if the notice data is not available.
+	if (typeof convertkit_legacy_resource_notice === 'undefined') {
+		return;
+	}
+
+	// Bail if no warnings are found.
+	if (
+		typeof convertkit_legacy_resource_notice.warnings === 'undefined' ||
+		convertkit_legacy_resource_notice.warnings.length === 0
+	) {
+		return;
+	}
+
+	// Bail if Gutenberg is not available.
+	if (
+		typeof wp === 'undefined' ||
+		typeof wp.data === 'undefined' ||
+		typeof wp.data.dispatch !== 'function'
+	) {
+		return;
+	}
+
+	// Build the notice.
+	const message =
+		convertkit_legacy_resource_notice.intro +
+		'\n' +
+		convertkit_legacy_resource_notice.warnings
+			.map(function (warning) {
+				return '- ' + warning;
+			})
+			.join('\n');
+
+	// Create the notice.
+	wp.data
+		.dispatch('core/notices')
+		.createWarningNotice(message, {
+			id: convertkit_legacy_resource_notice.id,
+			isDismissible: false,
+		});
+});