feat(backend): migrate auth and notifications off email

apps/payments/api/views.py

@@ -8,12 +8,44 @@ import requests
 
 from apps.payments.models import Payment, DiscountCode
 from apps.events.models import Event, Registration
+from apps.notifications.services import notify_user
+from apps.users.tasks import send_critical_sms
 from core.authentication import jwt_auth
 from apps.payments.api.schemas import CouponVerifyIn, CouponVerifyOut, CreatePaymentIn, CreatePaymentOut, PaymentDetailOut
 
 payments_router = Router(tags=["Payments"])
 
 
+def _event_action_url(event: Event) -> str:
+    root = getattr(settings, "FRONTEND_ROOT", "/") or "/"
+    if not root.endswith("/"):
+        root = f"{root}/"
+    return f"{root}events/{event.slug or event.id}"
+
+
+def _notify_payment_status(payment: Payment, *, title: str, message: str, level: str):
+    notify_user(
+        payment.user_id,
+        {
+            "type": "payment_status",
+            "title": title,
+            "message": message,
+            "level": level,
+            "action_url": _event_action_url(payment.event),
+            "entity_type": "payment",
+            "entity_id": payment.id,
+            "meta": {
+                "event_id": payment.event_id,
+                "payment_id": payment.id,
+                "ref_id": payment.ref_id,
+                "status": payment.status,
+            },
+        },
+    )
+    if payment.user.mobile and payment.user.is_mobile_verified:
+        send_critical_sms.delay(payment.user.mobile, "payment_status", payment.event.title)
+
+
 @payments_router.post("create", response=CreatePaymentOut, auth=jwt_auth)
 def create_payment(request, payload: CreatePaymentIn):
     event = get_object_or_404(Event, pk=payload.event_id)
@@ -145,10 +177,18 @@ def callback(request, Authority: str | None = None, Status: str | None = None):
     pay = Payment.objects.filter(authority=Authority).select_related("event","user","discount_code").first()
     if not pay:
         raise HttpError(404, "Payment not found")
+    previous_status = pay.status
 
     if Status != "OK":
         pay.status = Payment.OrderStatusChoices.CANCELED
         pay.save(update_fields=["status"])
+        if previous_status != Payment.OrderStatusChoices.CANCELED:
+            _notify_payment_status(
+                pay,
+                title=f"پرداخت {pay.event.title} لغو شد",
+                message="پرداخت شما کامل نشد و ثبت‌نام نهایی انجام نگرفت.",
+                level="warning",
+            )
         return redirect(f"{settings.FRONTEND_CALLBACK_URL}?status=failed&event_id={pay.event_id}")
 
     verify_body = {
@@ -168,6 +208,13 @@ def callback(request, Authority: str | None = None, Status: str | None = None):
     except Exception:
         pay.status = Payment.OrderStatusChoices.FAILED
         pay.save(update_fields=["status"])
+        if previous_status != Payment.OrderStatusChoices.FAILED:
+            _notify_payment_status(
+                pay,
+                title=f"پرداخت {pay.event.title} ناموفق بود",
+                message="خطا در تأیید پرداخت رخ داد. در صورت نیاز دوباره تلاش کنید.",
+                level="error",
+            )
         return redirect(f"{settings.FRONTEND_CALLBACK_URL}?status=failed&event_id={pay.event_id}")
 
     vcode = (vjd.get("data") or {}).get("code")
@@ -193,10 +240,25 @@ def callback(request, Authority: str | None = None, Status: str | None = None):
                 updates.append("final_price")
             registration.save(update_fields=updates)
 
+        if previous_status != Payment.OrderStatusChoices.PAID:
+            _notify_payment_status(
+                pay,
+                title=f"پرداخت {pay.event.title} تأیید شد",
+                message="پرداخت شما با موفقیت ثبت شد و ثبت‌نام رویداد تکمیل شده است.",
+                level="success",
+            )
+
         return redirect(f"{settings.FRONTEND_CALLBACK_URL}?status=success&event_id={pay.event_id}&ref_id={pay.ref_id}")
 
     pay.status = Payment.OrderStatusChoices.FAILED
     pay.save(update_fields=["status"])
+    if previous_status != Payment.OrderStatusChoices.FAILED:
+        _notify_payment_status(
+            pay,
+            title=f"پرداخت {pay.event.title} ناموفق بود",
+            message="تراکنش شما توسط درگاه تأیید نشد. در صورت نیاز دوباره پرداخت را انجام دهید.",
+            level="error",
+        )
     return redirect(f"{settings.FRONTEND_CALLBACK_URL}?status=failed&event_id={pay.event_id}")
 
 @payments_router.get("by-ref/{ref_id}", response=PaymentDetailOut)