feat: notification rate limiter

fix: limit server up / down notification limits

app/Notifications/Server/Reachable.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace App\Notifications\Server;
+
+use App\Models\Server;
+use App\Notifications\Channels\DiscordChannel;
+use App\Notifications\Channels\EmailChannel;
+use App\Notifications\Channels\TelegramChannel;
+use App\Notifications\Dto\DiscordMessage;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+
+class Reachable extends Notification implements ShouldQueue
+{
+    use Queueable;
+
+    public $tries = 1;
+
+    protected bool $isRateLimited = false;
+
+    public function __construct(public Server $server)
+    {
+        $this->isRateLimited = isEmailRateLimited(
+            limiterKey: 'server-reachable:'.$this->server->id,
+        );
+    }
+
+    public function via(object $notifiable): array
+    {
+        if ($this->isRateLimited) {
+            return [];
+        }
+
+        $channels = [];
+        $isEmailEnabled = isEmailEnabled($notifiable);
+        $isDiscordEnabled = data_get($notifiable, 'discord_enabled');
+        $isTelegramEnabled = data_get($notifiable, 'telegram_enabled');
+
+        if ($isDiscordEnabled) {
+            $channels[] = DiscordChannel::class;
+        }
+        if ($isEmailEnabled) {
+            $channels[] = EmailChannel::class;
+        }
+        if ($isTelegramEnabled) {
+            $channels[] = TelegramChannel::class;
+        }
+
+        return $channels;
+    }
+
+    public function toMail(): MailMessage
+    {
+        $mail = new MailMessage;
+        $mail->subject("Coolify: Server ({$this->server->name}) revived.");
+        $mail->view('emails.server-revived', [
+            'name' => $this->server->name,
+        ]);
+
+        return $mail;
+    }
+
+    public function toDiscord(): DiscordMessage
+    {
+        return new DiscordMessage(
+            title: ":white_check_mark: Server '{$this->server->name}' revived",
+            description: 'All automations & integrations are turned on again!',
+            color: DiscordMessage::successColor(),
+        );
+    }
+
+    public function toTelegram(): array
+    {
+        return [
+            'message' => "Coolify: Server '{$this->server->name}' revived. All automations & integrations are turned on again!",
+        ];
+    }
+}