Send an email when a server is marked as installed (pterodactyl#1213)

Co-authored-by: @stanjg

Author: stanjg

CHANGELOG.md

@@ -16,6 +16,7 @@ This project follows [Semantic Versioning](http://semver.org) guidelines.
 * Fixed `pterodactyl.environment_variables` to be used correctly for global environment variables. The wrong config variable name was being using previously.
 * Fixes tokens being sent to users when their account is created to actually work. Implements Laravel's internal token creation mechanisms rather than trying to do it custom.
 * Updates some eggs to ensure they have the correct data and will continue working down the road. Fixes autoupdating on some source servers and MC related download links.
+* Emails should send properly now when a server is marked as installed to let the owner know it is ready for action.
 
 ### Changed
 * Attempting to upload a folder via the web file manager will now display a warning telling the user to use SFTP.

app/Contracts/Core/ReceivesEvents.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Pterodactyl\Contracts\Core;
+
+use Pterodactyl\Events\Event;
+
+interface ReceivesEvents
+{
+    /**
+     * Handles receiving an event from the application.
+     *
+     * @param \Pterodactyl\Events\Event $notification
+     */
+    public function handle(Event $notification): void;
+}

app/Events/Server/Installed.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Pterodactyl\Events\Server;
+
+use Pterodactyl\Events\Event;
+use Pterodactyl\Models\Server;
+use Illuminate\Queue\SerializesModels;
+
+class Installed extends Event
+{
+    use SerializesModels;
+
+    /**
+     * @var \Pterodactyl\Models\Server
+     */
+    public $server;
+
+    /**
+     * Create a new event instance.
+     *
+     * @var \Pterodactyl\Models\Server
+     */
+    public function __construct(Server $server)
+    {
+        $this->server = $server;
+    }
+}

app/Http/Controllers/Daemon/ActionController.php

@@ -7,9 +7,26 @@
 use Pterodactyl\Models\Node;
 use Pterodactyl\Models\Server;
 use Pterodactyl\Http\Controllers\Controller;
+use Pterodactyl\Events\Server\Installed as ServerInstalled;
+use Illuminate\Contracts\Events\Dispatcher as EventDispatcher;
 
 class ActionController extends Controller
 {
+    /**
+     * @var \Illuminate\Contracts\Events\Dispatcher
+     */
+    private $eventDispatcher;
+
+    /**
+     * ActionController constructor.
+     *
+     * @param \Illuminate\Contracts\Events\Dispatcher $eventDispatcher
+     */
+    public function __construct(EventDispatcher $eventDispatcher)
+    {
+        $this->eventDispatcher = $eventDispatcher;
+    }
+
     /**
      * Handles install toggle request from daemon.
      *
@@ -37,6 +54,11 @@ public function markInstall(Request $request)
         $server->installed = ($status === 'installed') ? 1 : 2;
         $server->save();
 
+        // Only fire event if server installed successfully.
+        if ($server->installed === 1) {
+            $this->eventDispatcher->dispatch(new ServerInstalled($server));
+        }
+
         return response()->json([]);
     }
 

app/Listeners/.gitkeep

@@ -0,0 +1,69 @@
+<?php
+
+namespace Pterodactyl\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Pterodactyl\Events\Event;
+use Illuminate\Container\Container;
+use Illuminate\Notifications\Notification;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Pterodactyl\Contracts\Core\ReceivesEvents;
+use Illuminate\Contracts\Notifications\Dispatcher;
+use Illuminate\Notifications\Messages\MailMessage;
+
+class ServerInstalled extends Notification implements ShouldQueue, ReceivesEvents
+{
+    use Queueable;
+
+    /**
+     * @var \Pterodactyl\Models\Server
+     */
+    public $server;
+
+    /**
+     * @var \Pterodactyl\Models\User
+     */
+    public $user;
+
+    /**
+     * Handle a direct call to this notification from the server installed event. This is configured
+     * in the event service provider.
+     *
+     * @param \Pterodactyl\Events\Event|\Pterodactyl\Events\Server\Installed $event
+     */
+    public function handle(Event $event): void
+    {
+        $event->server->loadMissing('user');
+
+        $this->server = $event->server;
+        $this->user = $event->server->user;
+
+        // Since we are calling this notification directly from an event listener we need to fire off the dispatcher
+        // to send the email now. Don't use send() or you'll end up firing off two different events.
+        Container::getInstance()->make(Dispatcher::class)->sendNow($this->user, $this);
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @return array
+     */
+    public function via()
+    {
+        return ['mail'];
+    }
+
+    /**
+     * Get the mail representation of the notification.
+     *
+     * @return \Illuminate\Notifications\Messages\MailMessage
+     */
+    public function toMail()
+    {
+        return (new MailMessage)
+            ->greeting('Hello ' . $this->user->username . '.')
+            ->line('Your server has finished installing and is now ready for you to use.')
+            ->line('Server Name: ' . $this->server->name)
+            ->action('Login and Begin Using', route('index'));
+    }
+}

app/Notifications/ServerInstalled.php

@@ -2,6 +2,8 @@
 
 namespace Pterodactyl\Providers;
 
+use Pterodactyl\Events\Server\Installed as ServerInstalledEvent;
+use Pterodactyl\Notifications\ServerInstalled as ServerInstalledNotification;
 use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
 
 class EventServiceProvider extends ServiceProvider
@@ -11,5 +13,9 @@ class EventServiceProvider extends ServiceProvider
      *
      * @var array
      */
-    protected $listen = [];
+    protected $listen = [
+        ServerInstalledEvent::class => [
+            ServerInstalledNotification::class,
+        ],
+    ];
 }