fix bug in seed script and finished the controllers

orders-backend/src/main/java/com/andwati/orders/config/DataSeeder.java

@@ -1,10 +1,10 @@
 package com.andwati.orders.config;
 
 
-import com.andwati.orders.model.InventoryItem;
-import com.andwati.orders.model.OrderItem;
-import com.andwati.orders.model.OrderStatus;
-import com.andwati.orders.model.Product;
+import com.andwati.orders.model.*;
+import com.andwati.orders.repository.InventoryItemRepository;
+import com.andwati.orders.repository.OrderRepository;
+import com.andwati.orders.repository.ProductRepository;
 import jakarta.transaction.Transactional;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.CommandLineRunner;

orders-backend/src/main/java/com/andwati/orders/controller/FareController.java

@@ -0,0 +1,37 @@
+package com.andwati.orders.controller;
+
+import com.andwati.orders.dto.response.FareCalculationResponse;
+import com.andwati.orders.services.FareCalculationService;
+import jakarta.validation.constraints.DecimalMin;
+import jakarta.validation.constraints.NotNull;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.math.BigDecimal;
+
+@Validated
+@RestController
+public class FareController {
+
+    private final FareCalculationService fareCalculationService;
+
+    public FareController(FareCalculationService fareCalculationService) {
+        this.fareCalculationService = fareCalculationService;
+    }
+
+    @GetMapping("/api/fare/calculate")
+    public FareCalculationResponse calculateFare(
+            @RequestParam
+            @NotNull(message = "distanceKm is required")
+            @DecimalMin(value = "0.0", inclusive = false, message = "distanceKm must be greater than 0")
+            BigDecimal distanceKm,
+
+            @RequestParam(required = false)
+            @DecimalMin(value = "1.0", message = "surgeMultiplier must be greater than or equal to 1.0")
+            BigDecimal surgeMultiplier
+    ) {
+        return fareCalculationService.calculateFare(distanceKm, surgeMultiplier);
+    }
+}

orders-backend/src/main/java/com/andwati/orders/controller/HealthController.java

@@ -0,0 +1,15 @@
+package com.andwati.orders.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Map;
+
+@RestController
+public class HealthController {
+
+    @GetMapping("/api/health")
+    public Map<String, String> health() {
+        return Map.of("status", "UP");
+    }
+}

orders-backend/src/main/java/com/andwati/orders/controller/InventoryController.java

@@ -0,0 +1,32 @@
+package com.andwati.orders.controller;
+
+import com.andwati.orders.dto.response.InventoryResponse;
+import com.andwati.orders.dto.response.LowStockInventoryResponse;
+import com.andwati.orders.services.InventoryService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/inventory")
+public class InventoryController {
+
+    private final InventoryService inventoryService;
+
+    public InventoryController(InventoryService inventoryService) {
+        this.inventoryService = inventoryService;
+    }
+
+    @GetMapping
+    public InventoryResponse getInventory() {
+        return inventoryService.getInventory();
+    }
+
+    @GetMapping("/low-stock")
+    public LowStockInventoryResponse getLowStockItems(
+            @RequestParam(required = false) Integer threshold
+    ) {
+        return inventoryService.getLowStockItems(threshold);
+    }
+}

orders-backend/src/main/java/com/andwati/orders/controller/OrderController.java

@@ -0,0 +1,61 @@
+package com.andwati.orders.controller;
+
+import com.andwati.orders.dto.request.CreateOrderRequest;
+import com.andwati.orders.dto.response.CancelOrderResponse;
+import com.andwati.orders.dto.response.OrderResponse;
+import com.andwati.orders.dto.response.OrderSummaryResponse;
+import com.andwati.orders.dto.response.PageResponse;
+import com.andwati.orders.model.OrderStatus;
+import com.andwati.orders.services.OrderService;
+import jakarta.validation.Valid;
+import org.springframework.format.annotation.DateTimeFormat;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDate;
+import java.util.UUID;
+
+@RestController
+@RequestMapping("/api/orders")
+public class OrderController {
+
+    private final OrderService orderService;
+
+    public OrderController(OrderService orderService) {
+        this.orderService = orderService;
+    }
+
+    @PostMapping
+    @ResponseStatus(HttpStatus.CREATED)
+    public OrderResponse placeOrder(@Valid @RequestBody CreateOrderRequest request) {
+        return orderService.placeOrder(request);
+    }
+
+    @GetMapping
+    public PageResponse<OrderSummaryResponse> listOrders(
+            @RequestParam(required = false) OrderStatus status,
+
+            @RequestParam(required = false)
+            @DateTimeFormat(iso = DateTimeFormat.ISO.DATE)
+            LocalDate from,
+
+            @RequestParam(required = false)
+            @DateTimeFormat(iso = DateTimeFormat.ISO.DATE)
+            LocalDate to,
+
+            @RequestParam(defaultValue = "0") int page,
+            @RequestParam(defaultValue = "20") int size
+    ) {
+        return orderService.listOrders(status, from, to, page, size);
+    }
+
+    @GetMapping("/{id}")
+    public OrderResponse getOrder(@PathVariable UUID id) {
+        return orderService.getOrder(id);
+    }
+
+    @DeleteMapping("/{id}")
+    public CancelOrderResponse cancelOrder(@PathVariable UUID id) {
+        return orderService.cancelOrder(id);
+    }
+}