Added telegram notifications

app/Notifications/SpeedtestAbsoluteThresholdTelegram.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Helpers\NotificationsHelper;
+use App\Helpers\SettingsHelper;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use NotificationChannels\Telegram\TelegramChannel;
+use NotificationChannels\Telegram\TelegramMessage;
+
+class SpeedtestAbsoluteThresholdTelegram extends Notification
+{
+    use Queueable;
+
+    private $errors;
+
+    /**
+     * Create a new notification instance.
+     *
+     * @return void
+     */
+    public function __construct($errors)
+    {
+        $this->errors = $errors;
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @param  mixed  $notifiable
+     * @return array
+     */
+    public function via($notifiable)
+    {
+        return [
+            TelegramChannel::class
+        ];
+    }
+
+    /**
+     * Format telegram notification
+     *
+     * @param   mixed   $notifiable
+     * @return  TelegramMessage
+     */
+    public function toTelegram($notifiable)
+    {
+        $msg = NotificationsHelper::formatAbsoluteThresholdMessage($this->errors);
+
+        return TelegramMessage::create()
+                              ->to(SettingsHelper::get('telegram_chat_id')->value)
+                              ->content($msg)
+                              ->options(['parse_mode' => 'Markdown']);
+    }
+}