lots of progress

app/Notifications/UptimeAlert.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Models\Site;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+
+class UptimeAlert extends Notification implements ShouldQueue
+{
+    use Queueable;
+
+    /**
+     * Create a new notification instance.
+     */
+    public function __construct(
+        public Site $site,
+        public ?int $statusCode,
+        public ?int $responseTime
+    ) {
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @return array<int, string>
+     */
+    public function via(object $notifiable): array
+    {
+        $preferences = $notifiable->notification_preferences ?? [];
+        $channels = $preferences['uptime'] ?? ['mail'];
+
+        return $channels;
+    }
+
+    /**
+     * Get the mail representation of the notification.
+     */
+    public function toMail(object $notifiable): MailMessage
+    {
+        $status = $this->statusCode ? "returned HTTP {$this->statusCode}" : "is unreachable";
+
+        return (new MailMessage)
+            ->error()
+            ->subject("⚠️ Site Down Alert: {$this->site->name}")
+            ->line("Your site **{$this->site->name}** is experiencing downtime.")
+            ->line("URL: {$this->site->url}")
+            ->line("Status: {$status}")
+            ->line("Response Time: " . ($this->responseTime ? "{$this->responseTime}ms" : "N/A"))
+            ->line("Detected at: " . now()->format('Y-m-d H:i:s'))
+            ->action('View Site Details', url("/sites/{$this->site->id}"))
+            ->line('Please investigate the issue as soon as possible.');
+    }
+
+    /**
+     * Get the array representation of the notification.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(object $notifiable): array
+    {
+        return [
+            'site_id' => $this->site->id,
+            'site_name' => $this->site->name,
+            'site_url' => $this->site->url,
+            'status_code' => $this->statusCode,
+            'response_time' => $this->responseTime,
+        ];
+    }
+}