created request and response dto

orders-backend/src/main/java/com/andwati/orders/dto/request/CreateOrderItemRequest.java

@@ -0,0 +1,15 @@
+package com.andwati.orders.dto.request;
+
+import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotNull;
+
+import java.util.UUID;
+
+public record CreateOrderItemRequest(
+        @NotNull(message = "productId is required")
+        UUID productId,
+
+        @Min(value = 1, message = "quantity must be at least 1")
+        int quantity
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/request/CreateOrderRequest.java

@@ -0,0 +1,18 @@
+package com.andwati.orders.dto.request;
+
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+
+import java.util.List;
+
+public record CreateOrderRequest(
+        @NotBlank(message = "customerName is required")
+        @Size(min = 2, max = 120, message = "customerName must be between 2 and 120 characters")
+        String customerName,
+
+        @Valid
+        @Size(min = 1, message = "items must contain at least one item")
+        List<CreateOrderItemRequest> items
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/CancelOrderResponse.java

@@ -0,0 +1,15 @@
+package com.andwati.orders.dto.response;
+
+
+import com.andwati.orders.model.OrderStatus;
+
+import java.time.Instant;
+import java.util.UUID;
+
+public record CancelOrderResponse(
+        UUID id,
+        OrderStatus status,
+        Instant cancelledAt,
+        boolean stockRolledBack
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/ErrorResponse.java

@@ -0,0 +1,12 @@
+package com.andwati.orders.dto.response;
+
+import java.time.Instant;
+
+public record ErrorResponse(
+        String error,
+        String message,
+        Object details,
+        Instant timestamp,
+        String path
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/FareCalculationResponse.java

@@ -0,0 +1,16 @@
+package com.andwati.orders.dto.response;
+
+
+import java.math.BigDecimal;
+
+public record FareCalculationResponse(
+        BigDecimal distanceKm,
+        BigDecimal baseFare,
+        BigDecimal perKmRate,
+        BigDecimal surgeMultiplier,
+        BigDecimal minimumFare,
+        BigDecimal calculatedFare,
+        String currency,
+        String formula
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/InventoryItemResponse.java

@@ -0,0 +1,19 @@
+package com.andwati.orders.dto.response;
+
+
+import com.andwati.orders.model.InventoryStatus;
+
+import java.time.Instant;
+import java.util.UUID;
+
+public record InventoryItemResponse(
+        UUID productId,
+        String productName,
+        String sku,
+        int availableQuantity,
+        int reservedQuantity,
+        int reorderLevel,
+        InventoryStatus status,
+        Instant updatedAt
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/LowStockInventoryResponse.java

@@ -0,0 +1,9 @@
+package com.andwati.orders.dto.response;
+
+import java.util.List;
+
+public record LowStockInventoryResponse(
+        int threshold,
+        List<InventoryItemResponse> items
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/OrderItemResponse.java

@@ -0,0 +1,13 @@
+package com.andwati.orders.dto.response;
+
+import java.math.BigDecimal;
+import java.util.UUID;
+
+public record OrderItemResponse(
+        UUID productId,
+        String productName,
+        int quantity,
+        BigDecimal unitPrice,
+        BigDecimal lineTotal
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/OrderResponse.java

@@ -0,0 +1,20 @@
+package com.andwati.orders.dto.response;
+
+import com.andwati.orders.model.OrderStatus;
+
+import java.math.BigDecimal;
+import java.time.Instant;
+import java.util.List;
+import java.util.UUID;
+
+public record OrderResponse(
+        UUID id,
+        String customerName,
+        OrderStatus status,
+        List<OrderItemResponse> items,
+        BigDecimal totalAmount,
+        String currency,
+        Instant createdAt,
+        Instant cancelledAt
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/OrderSummaryResponse.java

@@ -0,0 +1,19 @@
+package com.andwati.orders.dto.response;
+
+import com.andwati.orders.model.OrderStatus;
+
+import java.math.BigDecimal;
+import java.time.Instant;
+import java.util.UUID;
+
+public record OrderSummaryResponse(
+        UUID id,
+        String customerName,
+        OrderStatus status,
+        BigDecimal totalAmount,
+        String currency,
+        int itemCount,
+        Instant createdAt,
+        Instant cancelledAt
+) {
+}

orders-backend/src/main/java/com/andwati/orders/dto/response/PageResponse.java

@@ -0,0 +1,12 @@
+package com.andwati.orders.dto.response;
+
+import java.util.List;
+
+public record PageResponse<T>(
+        List<T> items,
+        int page,
+        int size,
+        long totalItems,
+        int totalPages
+) {
+}