Added v1.9.1 files

conf/site/app/Notifications/SpeedtestAbsoluteThresholdNotificationSlack.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Helpers\NotificationsHelper;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Messages\SlackMessage;
+use Illuminate\Notifications\Notification;
+
+class SpeedtestAbsoluteThresholdNotificationSlack extends Notification
+{
+    use Queueable;
+
+    protected $errors;
+
+    /**
+     * Create a new notification instance.
+     *
+     * @param array $errors
+     * @return void
+     */
+    public function __construct(array $errors)
+    {
+        $this->errors = $errors;
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @param  mixed  $notifiable
+     * @return array
+     */
+    public function via($notifiable)
+    {
+        return ['slack'];
+    }
+
+    /**
+     * Format slack notification
+     *
+     * @param   mixed   $notifiable
+     * @return  SlackMessage
+     */
+    public function toSlack($notifiable)
+    {
+        $msg = NotificationsHelper::formatAbsoluteThresholdMessage($this->errors);
+
+        return (new SlackMessage)
+                ->warning()
+                ->attachment(function ($attachment) use ($msg) {
+                    $attachment->title('Speedtest absolute threshold error')
+                               ->content($msg);
+                });
+    }
+}