Improved subscriber handling

- Signed routes
- Manage subscriptions now sends an email link

app/Notifications/Subscriber/ManageSubscriptionNotification.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Notifications\Subscriber;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use Illuminate\Support\Facades\URL;
+
+class ManageSubscriptionNotification extends Notification
+{
+    use Queueable;
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @param mixed $notifiable
+     *
+     * @return array
+     */
+    public function via($notifiable)
+    {
+        return ['mail'];
+    }
+
+    /**
+     * Get the mail representation of the notification.
+     *
+     * @param mixed $notifiable
+     *
+     * @return \Illuminate\Notifications\Messages\MailMessage
+     */
+    public function toMail($notifiable)
+    {
+        $route = URL::signedRoute(cachet_route_generator('subscribe.manage'), ['code' => $notifiable->verify_code]);
+
+        return (new MailMessage())
+                    ->subject(trans('notifications.subscriber.manage.mail.subject'))
+                    ->greeting(trans('notifications.subscriber.manage.mail.title', ['app_name' => setting('app_name')]))
+                    ->action(trans('notifications.subscriber.manage.mail.action'), $route)
+                    ->line(trans('notifications.subscriber.manage.mail.content', ['app_name' => setting('app_name')]));
+    }
+}