fix: hyperlocal detection falls back to pickup/delivery distance when pincode missing

controllers/milerController.go

@@ -963,6 +963,34 @@ func isHyperlocal(pickupPincode, deliveryPincode string) bool {
 	return pickupPincode[:3] == deliveryPincode[:3]
 }
 
+// maxHyperlocalKM bounds the straight-line pickup→delivery distance under which
+// a booking with a missing/short pincode is still treated as hyperlocal. It is
+// used ONLY as a fallback when the pincode-prefix rule can't decide: console-
+// created kitchen→customer bookings (e.g. DailyGrubs) frequently carry accurate
+// coordinates but no delivery pincode, and must not be wrongly routed through a
+// hub. When both pincodes are present the prefix rule still wins.
+const maxHyperlocalKM = 30.0
+
+// isHyperlocalBooking decides whether a booking can skip the hub and be carried
+// straight to the final mile. It prefers the pincode-prefix rule (isHyperlocal)
+// when both pincodes are present, and falls back to the straight-line distance
+// between the pickup and delivery coordinates when a pincode is missing — so a
+// same-area booking whose address carried no pincode isn't sent to a hub.
+func isHyperlocalBooking(pickupPincode, deliveryPincode string, pLat, pLng, dLat, dLng float64) bool {
+	// Both pincodes present: the prefix rule decides definitively (a matching
+	// pincode is hyperlocal, a differing one is genuinely inter-area — don't let
+	// distance override that).
+	if len(pickupPincode) >= 3 && len(deliveryPincode) >= 3 {
+		return isHyperlocal(pickupPincode, deliveryPincode)
+	}
+	// A pincode is missing: fall back to straight-line distance when we have both
+	// coordinates.
+	if pLat != 0 && pLng != 0 && dLat != 0 && dLng != 0 {
+		return haversineKM(pLat, pLng, dLat, dLng) <= maxHyperlocalKM
+	}
+	return false
+}
+
 // collectedStateEnabled gates the two-step hyperlocal delivery flow
 // (Collected_By_Miler → start-delivery → Out_for_Delivery) and its knock-on
 // changes: OTP issued at start-delivery instead of pickup, and Arrived_At_Pickup
@@ -1061,7 +1089,9 @@ func BookingPickupComplete(c *fiber.Ctx) error {
 	// delivering". With it OFF (default, and what the current app expects) it goes
 	// straight to Out_for_Delivery exactly as before.
 	consignmentStatus := constants.ConsignmentInwardedAtHub
-	if isHyperlocal(booking.Pickuppincode, booking.Deliverypincode) {
+	if isHyperlocalBooking(booking.Pickuppincode, booking.Deliverypincode,
+		booking.Pickuplatitude, booking.Pickuplongitude,
+		booking.Deliverylatitude, booking.Deliverylongitude) {
 		if collectedStateEnabled() {
 			consignmentStatus = constants.ConsignmentCollectedByMiler
 		} else {