Merge pull request #15 from kimcoleman/fix-new-install-no-levels

Fixing activation notice for PMPro not installed; fixing no child accounts to add to group

includes/admin.php

@@ -20,6 +20,11 @@ function pmprogroupacct_admin_notice_activation_hook() {
  * @since 1.0
  */
 function pmprogroupacct_admin_notice() {
+	// Paid Memberships Pro not activated, let's bail.
+	if ( ! defined( 'PMPRO_VERSION' ) ) {
+		return;
+	}
+
 	// Check transient, if available display notice.
 	if ( get_transient( 'pmpro-group-accounts-admin-notice' ) ) { ?>
 		<div class="updated notice is-dismissible">
@@ -32,6 +37,79 @@ function pmprogroupacct_admin_notice() {
 }
 add_action( 'admin_notices', 'pmprogroupacct_admin_notice' );
 
+/**
+ * Show a message if Paid Memberships Pro is inactive or not installed.
+ */
+function pmprogroupacct_required_installed() {
+	// The required plugins for this Add On to work.
+	$required_plugins = array(
+		'paid-memberships-pro' => __( 'Paid Memberships Pro', 'pmpro-group-accounts' ),
+	);
+
+	// Check if the required plugins are installed.
+	$missing_plugins = array();
+	foreach ( $required_plugins as $plugin => $name ) {
+		if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) {
+			$missing_plugins[$plugin] = $name;
+		}
+	}
+
+	// If there are missing plugins, show a notice.
+	if ( ! empty( $missing_plugins ) ) {
+		// Build install links here.
+		$install_plugins = array();
+		foreach( $missing_plugins as $path => $name ) {
+			$install_plugins[] = sprintf( '<a href="%s">%s</a>', esc_url( wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=' . $path ), 'install-plugin_' . $path ) ), esc_html( $name ) );
+		}
+
+		// Show notice with install_plugin links.
+		printf(
+			'<div class="notice notice-warning"><p>%s</p></div>',
+			sprintf(
+				/* translators: 1: This plugin's name. 2: Required plugin name(s). */
+				esc_html__( 'The following plugin(s) are required for the %1$s plugin to work: %2$s', 'pmpro-group-accounts' ),
+				esc_html__( 'Group Accounts', 'pmpro-group-accounts' ),
+				implode( ', ', $install_plugins ) // $install_plugins was escaped when built.
+			)
+		);
+
+		return; // Bail here, so we only show one notice at a time.
+	}
+
+	// Check if the required plugins are active and show a notice with activation links if they are not
+	$inactive_plugins = array();
+	foreach ( $required_plugins as $plugin => $name ) {
+		$full_path = $plugin . '/' . $plugin . '.php';
+		if ( ! is_plugin_active( $full_path ) ) {
+			$inactive_plugins[$plugin] = $name;
+		}
+	}
+
+	// If there are inactive plugins, show a notice.
+	if ( ! empty( $inactive_plugins ) ) {
+		// Build activate links here.
+		$activate_plugins = array();
+		foreach( $inactive_plugins as $path => $name ) {
+			$full_path = $path . '/' . $path . '.php';
+			$activate_plugins[] = sprintf( '<a href="%s">%s</a>', esc_url( wp_nonce_url( self_admin_url( 'plugins.php?action=activate&plugin=' . $full_path ), 'activate-plugin_' . $full_path ) ), esc_html( $name ) );
+		}
+
+		// Show notice with activate_plugin links.
+		printf(
+			'<div class="notice notice-warning"><p>%s</p></div>',
+			sprintf(
+				/* translators: 1: This plugin's name. 2: Required plugin name(s). */
+				esc_html__( 'The following plugin(s) are required for the %1$s plugin to work: %2$s', 'pmpro-group-accounts' ),
+				esc_html__( 'Group Accounts', 'pmpro-group-accounts' ),
+				implode( ', ', $activate_plugins ) // $activate_plugins was escaped when built.
+			)
+		);
+
+		return; // Bail here, so we only show one notice at a time.
+	}
+}
+add_action( 'admin_notices', 'pmprogroupacct_required_installed' );
+
 /**
  * Show the group information associated with a child order on the Edit Order page.
  */
@@ -89,7 +167,7 @@ function pmprogroupacct_after_order_settings( $order ) {
 function pmprogroupacct_manage_orderslist_columns( $columns ) {
 	$columns['pmprogroupacct_code'] = __( 'Group Code', 'pmpro-group-accounts' );
 	$columns['pmprogroupacct_parent'] = __( 'Parent Account', 'pmpro-group-accounts' );
-    return $columns;
+	return $columns;
 }
 add_filter( 'pmpro_manage_orderslist_columns',  'pmprogroupacct_manage_orderslist_columns', 10, 1 );