Add room-type quantity reservation APIs

src/main/kotlin/com/android/trisolarisserver/controller/booking/BookingFlow.kt

@@ -23,6 +23,7 @@ import com.android.trisolarisserver.repo.guest.GuestDocumentRepo
 import com.android.trisolarisserver.repo.guest.GuestRepo
 import com.android.trisolarisserver.repo.guest.GuestRatingRepo
 import com.android.trisolarisserver.models.booking.BookingStatus
+import com.android.trisolarisserver.models.booking.BookingRoomRequestStatus
 import com.android.trisolarisserver.models.booking.MemberRelation
 import com.android.trisolarisserver.models.booking.TransportMode
 import com.android.trisolarisserver.models.room.RoomStayAuditLog
@@ -32,6 +33,7 @@ import com.android.trisolarisserver.models.property.Role
 import com.android.trisolarisserver.repo.property.AppUserRepo
 import com.android.trisolarisserver.repo.guest.GuestVehicleRepo
 import com.android.trisolarisserver.repo.booking.PaymentRepo
+import com.android.trisolarisserver.repo.booking.BookingRoomRequestRepo
 import com.android.trisolarisserver.repo.property.PropertyRepo
 import com.android.trisolarisserver.repo.room.RoomRepo
 import com.android.trisolarisserver.repo.room.RoomStayAuditLogRepo
@@ -70,7 +72,8 @@ class BookingFlow(
     private val guestDocumentRepo: GuestDocumentRepo,
     private val paymentRepo: PaymentRepo,
     private val bookingSnapshotBuilder: BookingSnapshotBuilder,
-    private val roomStayAuditLogRepo: RoomStayAuditLogRepo
+    private val roomStayAuditLogRepo: RoomStayAuditLogRepo,
+    private val bookingRoomRequestRepo: BookingRoomRequestRepo
 ) {
 
     @PostMapping
@@ -357,6 +360,7 @@ class BookingFlow(
                 createdBy = actor
             )
             roomStayRepo.save(newStay)
+            fulfillRoomRequestIfAny(booking.id!!, room.roomType.id!!, checkInAt)
         }
 
         val bookingCheckInAt = checkInTimes.minOrNull() ?: now
@@ -658,6 +662,19 @@ class BookingFlow(
         }
     }
 
+    private fun fulfillRoomRequestIfAny(bookingId: UUID, roomTypeId: UUID, checkInAt: OffsetDateTime) {
+        val requests = bookingRoomRequestRepo.findActiveForFulfillment(bookingId, roomTypeId, checkInAt)
+        for (request in requests) {
+            if (request.fulfilledQuantity >= request.quantity) continue
+            request.fulfilledQuantity += 1
+            if (request.fulfilledQuantity >= request.quantity) {
+                request.status = BookingRoomRequestStatus.FULFILLED
+            }
+            bookingRoomRequestRepo.save(request)
+            return
+        }
+    }
+
     private fun isCheckoutAmountValid(stay: RoomStay): Boolean {
         val base = stay.room.roomType.defaultRate ?: return true
         val nightly = stay.nightlyRate ?: return false