Initial export of the repository

Signed-off-by: Ryan McCue <me@ryanmccue.info>

inc/user-notification/namespace.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Notify users that updates are served from FAIR/AspirePress.
+ *
+ * @package FAIR
+ */
+
+namespace FAIR\User_Notification;
+
+/**
+ * Bootstrap.
+ */
+function bootstrap() {
+	add_filter( 'update_footer', __NAMESPACE__ . '\\notify_users', 11, 1 );
+	add_action( 'admin_enqueue_scripts', __NAMESPACE__ . '\\enqueue_global_styles' );
+}
+
+/**
+ * Add a notification to the site footer about FAIR/AspirePress.
+ *
+ * @param string $content The current version or update notification.
+ * @return string
+ */
+function notify_users( string $content = '' ) : string {
+	$message = sprintf(
+		// translators: 1) Fair PM URL, 2) AspirePress URL.
+		__( 'Updates served from the <a href="%1$s">FAIR Package Manager</a> and <a href="%2$s">AspirePress</a>', 'fair' ),
+		'https://fair.pm',
+		'https://aspirepress.org'
+	);
+	$notification = '<span class="fair-notification">' . $message . '</span>';
+
+	return $content . $notification;
+}
+
+/**
+ * Enqueue global style assets.
+ *
+ * @param string $hook_suffix Hook suffix for the current admin page.
+ * @return void
+ */
+function enqueue_global_styles( string $hook_suffix ) {
+	wp_enqueue_style(
+		'fair-global-admin',
+		esc_url( plugin_dir_url( \FAIR\PLUGIN_FILE ) . 'assets/css/global-admin.css' ),
+		[],
+		\FAIR\VERSION
+	);
+}