Add rate plans, room stay rates, and payments ledger

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

@@ -0,0 +1,63 @@
+package com.android.trisolarisserver.controller.dto
+
+import java.time.LocalDate
+import java.util.UUID
+
+data class RatePlanCreateRequest(
+    val code: String,
+    val name: String,
+    val roomTypeCode: String,
+    val baseRate: Long,
+    val currency: String? = null
+)
+
+data class RatePlanUpdateRequest(
+    val name: String,
+    val baseRate: Long,
+    val currency: String? = null
+)
+
+data class RatePlanResponse(
+    val id: UUID,
+    val propertyId: UUID,
+    val roomTypeId: UUID,
+    val roomTypeCode: String,
+    val code: String,
+    val name: String,
+    val baseRate: Long,
+    val currency: String
+)
+
+data class RateCalendarUpsertRequest(
+    val rateDate: String,
+    val rate: Long
+)
+
+data class RateCalendarResponse(
+    val id: UUID,
+    val ratePlanId: UUID,
+    val rateDate: LocalDate,
+    val rate: Long
+)
+
+data class RoomStayRateChangeRequest(
+    val effectiveAt: String,
+    val nightlyRate: Long,
+    val rateSource: String,
+    val ratePlanCode: String? = null,
+    val currency: String? = null
+)
+
+data class RoomStayRateChangeResponse(
+    val oldRoomStayId: UUID,
+    val newRoomStayId: UUID,
+    val effectiveAt: String
+)
+
+data class RateResolveResponse(
+    val roomTypeCode: String,
+    val rateDate: LocalDate,
+    val rate: Long,
+    val currency: String,
+    val ratePlanCode: String? = null
+)