Implement Moyasar payments flow with webhooks

backend/apps/payments/models.py

@@ -15,21 +15,35 @@ class PaymentProvider(models.TextChoices):
 
 
 class PaymentStatus(models.TextChoices):
+    INITIATED = "initiated", "Initiated"
     CREATED = "created", "Created"
     AUTHORIZED = "authorized", "Authorized"
     CAPTURED = "captured", "Captured"
+    PAID = "paid", "Paid"
     FAILED = "failed", "Failed"
     REFUNDED = "refunded", "Refunded"
+    VOIDED = "voided", "Voided"
+    VERIFIED = "verified", "Verified"
 
 
 class Payment(models.Model):
     booking = models.ForeignKey(Booking, on_delete=models.CASCADE, related_name="payments")
     provider = models.CharField(max_length=50, choices=PaymentProvider.choices)
-    status = models.CharField(max_length=20, choices=PaymentStatus.choices, default=PaymentStatus.CREATED)
+    status = models.CharField(max_length=20, choices=PaymentStatus.choices, default=PaymentStatus.INITIATED)
     amount = models.DecimalField(max_digits=10, decimal_places=2)
     currency = models.CharField(max_length=10, default=getattr(settings, "DEFAULT_CURRENCY", "SAR"))
-    external_id = models.CharField(max_length=200, blank=True)
+    external_id = models.CharField(max_length=200, null=True, blank=True, unique=True)
+    idempotency_key = models.UUIDField(null=True, blank=True, unique=True)
+    provider_payload = models.JSONField(null=True, blank=True)
     metadata = models.JSONField(default=dict, blank=True)
+    authorized_at = models.DateTimeField(null=True, blank=True)
+    captured_at = models.DateTimeField(null=True, blank=True)
+    paid_at = models.DateTimeField(null=True, blank=True)
+    failed_at = models.DateTimeField(null=True, blank=True)
+    refunded_at = models.DateTimeField(null=True, blank=True)
+    voided_at = models.DateTimeField(null=True, blank=True)
+    verified_at = models.DateTimeField(null=True, blank=True)
+    status_updated_at = models.DateTimeField(null=True, blank=True)
     created_at = models.DateTimeField(auto_now_add=True)
 
     def __str__(self):