update email template

app/Mail/Admin/TicketAdminNotification.php

@@ -2,33 +2,49 @@
 
 namespace App\Mail\Admin;
 
+use App\Mail\Concerns\RequiresDbTemplate;
 use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
+use Illuminate\Mail\Mailables\Content;
+use Illuminate\Mail\Mailables\Envelope;
 use Illuminate\Queue\SerializesModels;
 
 class TicketAdminNotification extends Mailable implements ShouldQueue
 {
-    use Queueable, SerializesModels;
+    use Queueable, SerializesModels, RequiresDbTemplate;
 
     public function __construct(
         public readonly mixed $ticket,
         public readonly mixed $customer,
     ) {}
 
-    public function build(): static
+    public function envelope(): Envelope
     {
-        return $this
-            ->subject("[ADMIN] Ticket mới #{$this->ticket->ticket_num} — {$this->customer->email}")
-            ->view('emails.admin.ticket-notification')
-            ->with([
-                'ticketNum'     => $this->ticket->ticket_num,
-                'subject'       => $this->ticket->subject,
-                'room'          => $this->ticket->room,
-                'description'   => strip_tags($this->ticket->description),
-                'customerName'  => trim($this->customer->firstname . ' ' . $this->customer->lastname),
-                'customerEmail' => $this->customer->email,
-                'ticketUrl'     => config('app.frontend_url') . '/tickets/' . $this->ticket->ticket_num,
-            ]);
+        return new Envelope(
+            subject: $this->renderFromTemplate('admin_ticket_notification', $this->vars())['subject'],
+        );
+    }
+
+    public function content(): Content
+    {
+        return new Content(
+            htmlString: $this->renderFromTemplate('admin_ticket_notification', $this->vars())['html'],
+        );
+    }
+
+    private function vars(): array
+    {
+        $description = strip_tags($this->ticket->description ?? '');
+
+        return [
+            'ticket_num'    => $this->ticket->ticket_num,
+            'subject_text'  => $this->ticket->subject,
+            'room'          => $this->ticket->room ?? 'N/A',
+            'customer_name' => trim($this->customer->firstname . ' ' . $this->customer->lastname) ?: 'N/A',
+            'customer_email'=> $this->customer->email,
+            'description'   => mb_substr($description, 0, 500) . (mb_strlen($description) > 500 ? '…' : ''),
+            'ticket_url'    => config('app.frontend_url') . '/tickets/' . $this->ticket->ticket_num,
+        ];
     }
 }