Added slack notifications

app/Notifications/SpeedtestComplete.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Notification;
+use Illuminate\Notifications\Messages\SlackMessage;
+
+class SpeedtestComplete extends Notification
+{
+    use Queueable;
+
+    protected $speedtest;
+
+    /**
+     * Create a new notification instance.
+     *
+     * @return void
+     */
+    public function __construct($speedtest)
+    {
+        $this->speedtest = $speedtest;
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @param  mixed  $notifiable
+     * @return array
+     */
+    public function via($notifiable)
+    {
+        return ['slack'];
+    }
+
+    public function toSlack($notifiable)
+    {
+        $speedtest = $this->speedtest;
+        return (new SlackMessage)
+                ->warning()
+                ->attachment(function ($attachment) use ($speedtest) {
+                    $attachment->title('New speedtest')
+                               ->fields([
+                                    'Ping' => number_format((float)$speedtest->ping, 1, '.', '') . ' ms',
+                                    'Download' => number_format((float)$speedtest->download, 1, '.', '') . ' Mbit/s',
+                                    'Upload' => number_format((float)$speedtest->upload, 1, '.', '') . ' Mbit/s',
+                                ]);
+                });
+    }
+
+    /**
+     * Get the array representation of the notification.
+     *
+     * @param  mixed  $notifiable
+     * @return array
+     */
+    public function toArray($notifiable)
+    {
+        return [
+            //
+        ];
+    }
+}