feat: Add SubscriptionUpdatedNotification for subs

app/Notifications/SubscriptionUpdatedNotification.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+
+class SubscriptionUpdatedNotification extends Notification implements ShouldQueue
+{
+    use Queueable;
+
+    protected $subscriptionDetails;
+
+    public function __construct(array $subscriptionDetails)
+    {
+        $this->subscriptionDetails = $subscriptionDetails;
+    }
+
+    public function via($notifiable)
+    {
+        return ['mail'];
+    }
+
+    public function toMail($notifiable)
+    {
+        $mailMessage = (new MailMessage)
+                    ->subject('Subscription Update')
+                    ->greeting('Hello!');
+
+        if ($this->subscriptionDetails['type'] === 'plan_change') {
+            $mailMessage->line('Your subscription plan has been successfully updated.')
+                        ->line('Old Plan: ' . $this->subscriptionDetails['old_plan'])
+                        ->line('New Plan: ' . $this->subscriptionDetails['new_plan'])
+                        ->line('Effective Date: ' . $this->subscriptionDetails['effective_date']);
+        } elseif ($this->subscriptionDetails['type'] === 'cancellation') {
+            $mailMessage->line('Your subscription has been cancelled.')
+                        ->line('Cancellation Date: ' . $this->subscriptionDetails['cancellation_date'])
+                        ->line('Your subscription will not renew.');
+        }
+
+        $mailMessage->action('View Subscription', url('/subscription'))
+                    ->line('Thank you for using our application!');
+
+        return $mailMessage;
+    }
+
+    public function toArray($notifiable)
+    {
+        return [
+            'subscription_details' => $this->subscriptionDetails,
+        ];
+    }
+}