feat: monitor server connection

app/Notifications/Server/NotReachable.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Notifications\Server;
+
+use App\Models\Server;
+use App\Notifications\Channels\DiscordChannel;
+use App\Notifications\Channels\EmailChannel;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use Illuminate\Support\Str;
+
+class NotReachable extends Notification implements ShouldQueue
+{
+    use Queueable;
+
+    public function __construct(public Server $server)
+    {
+
+    }
+
+    public function via(object $notifiable): array
+    {
+        $channels = [];
+        $isEmailEnabled = data_get($notifiable, 'smtp_enabled');
+        $isDiscordEnabled = data_get($notifiable, 'discord_enabled');
+        $isSubscribedToEmailEvent = data_get($notifiable, 'smtp_notifications_status_changes');
+        $isSubscribedToDiscordEvent = data_get($notifiable, 'discord_notifications_status_changes');
+
+        // if ($isEmailEnabled && $isSubscribedToEmailEvent) {
+        //     $channels[] = EmailChannel::class;
+        // }
+        if ($isDiscordEnabled && $isSubscribedToDiscordEvent) {
+            $channels[] = DiscordChannel::class;
+        }
+        return $channels;
+    }
+
+    public function toMail(): MailMessage
+    {
+        $mail = new MailMessage();
+        // $fqdn = $this->fqdn;
+        $mail->subject("⛔ Server '{$this->server->name}' is unreachable");
+        // $mail->view('emails.application-status-changes', [
+        //     'name' => $this->application_name,
+        //     'fqdn' => $fqdn,
+        //     'application_url' => $this->application_url,
+        // ]);
+        return $mail;
+    }
+
+    public function toDiscord(): string
+    {
+        $message = '⛔ Server \'' . $this->server->name . '\' is unreachable (could be a temporary issue). If you receive this more than twice in a row, please check your server.';
+        return $message;
+    }
+}