Add pending amount to booking list

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

@@ -157,6 +157,9 @@ class BookingFlow(
             Role.HOUSEKEEPING,
             Role.FINANCE
         )
+        val property = propertyRepo.findById(propertyId).orElseThrow {
+            ResponseStatusException(HttpStatus.NOT_FOUND, "Property not found")
+        }
         val statuses = parseStatuses(status)
         val bookings = if (statuses.isEmpty()) {
             bookingRepo.findByPropertyIdOrderByCreatedAtDesc(propertyId)
@@ -171,8 +174,27 @@ class BookingFlow(
                 .groupBy { it.bookingId }
                 .mapValues { (_, rows) -> rows.map { it.roomNumber }.distinct().sorted() }
         }
+        val staysByBooking = if (bookingIds.isEmpty()) {
+            emptyMap()
+        } else {
+            roomStayRepo.findByBookingIdIn(bookingIds).groupBy { it.booking.id!! }
+        }
+        val paymentsByBooking = if (bookingIds.isEmpty()) {
+            emptyMap()
+        } else {
+            paymentRepo.sumAmountByBookingIds(bookingIds)
+                .associate { it.bookingId to it.total }
+        }
         return bookings.map { booking ->
             val guest = booking.primaryGuest
+            val stays = staysByBooking[booking.id].orEmpty()
+            val expectedPay = if (stays.isEmpty()) {
+                null
+            } else {
+                computeExpectedPay(stays, property.timezone)
+            }
+            val collected = paymentsByBooking[booking.id] ?: 0L
+            val pending = expectedPay?.let { it - collected }
             BookingListItem(
                 id = booking.id!!,
                 status = booking.status.name,
@@ -191,7 +213,8 @@ class BookingFlow(
                 femaleCount = booking.femaleCount,
                 totalGuestCount = booking.totalGuestCount,
                 expectedGuestCount = booking.expectedGuestCount,
-                notes = booking.notes
+                notes = booking.notes,
+                pending = pending
             )
         }
     }

src/main/kotlin/com/android/trisolarisserver/controller/dto/BookingDtos.kt

@@ -72,7 +72,8 @@ data class BookingListItem(
     val femaleCount: Int?,
     val totalGuestCount: Int?,
     val expectedGuestCount: Int?,
-    val notes: String?
+    val notes: String?,
+    val pending: Long? = null
 )
 
 data class BookingDetailResponse(