First commit

app/Notifications/CertificateExpiringNotification.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace App\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Mail\Mailable;
+use Illuminate\Notifications\Notification;
+
+class CertificateExpiringNotification extends Notification
+{
+    use Queueable;
+
+    public $certificate;
+    public $daysRemaining;
+
+    /**
+     * Create a new notification instance.
+     */
+    public function __construct($certificate, $daysRemaining)
+    {
+        $this->certificate = $certificate;
+        $this->daysRemaining = $daysRemaining;
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @return array<int, string>
+     */
+    public function via($notifiable)
+    {
+        $channels = ['database'];
+
+        if ($this->daysRemaining < 7) {
+            $channels[] = 'mail';
+        }
+
+        return $channels;
+    }
+
+    /**
+     * Get the mail representation of the notification.
+     */
+    public function toMail($notifiable)
+    {
+        return (new \App\Mail\CertificateExpiringMail($this->certificate, $this->daysRemaining))
+            ->to($notifiable->email);
+    }
+
+    /**
+     * Get the array representation of the notification.
+     *
+     * @return array<string, mixed>
+     */
+    public function toDatabase($notifiable)
+    {
+        return [
+            'type' => 'certificate_expiring',
+            'certificate_id' => $this->certificate->id,
+            'common_name' => $this->certificate->common_name,
+            'days_remaining' => $this->daysRemaining,
+            'valid_to' => $this->certificate->valid_to,
+            'message' => "Certificate '{$this->certificate->common_name}' expires in {$this->daysRemaining} days.",
+        ];
+    }
+}