add purchaseOrder store FK

backend/src/main/java/com/petshop/backend/dto/purchaseorder/PurchaseOrderResponse.java

@@ -8,6 +8,8 @@ public class PurchaseOrderResponse {
     private Long purchaseOrderId;
     private Long supId;
     private String supplierName;
+    private Long storeId;
+    private String storeName;
     private LocalDate orderDate;
     private String status;
     private LocalDateTime createdAt;
@@ -16,10 +18,12 @@ public class PurchaseOrderResponse {
     public PurchaseOrderResponse() {
     }
 
-    public PurchaseOrderResponse(Long purchaseOrderId, Long supId, String supplierName, LocalDate orderDate, String status, LocalDateTime createdAt, LocalDateTime updatedAt) {
+    public PurchaseOrderResponse(Long purchaseOrderId, Long supId, String supplierName, Long storeId, String storeName, LocalDate orderDate, String status, LocalDateTime createdAt, LocalDateTime updatedAt) {
         this.purchaseOrderId = purchaseOrderId;
         this.supId = supId;
         this.supplierName = supplierName;
+        this.storeId = storeId;
+        this.storeName = storeName;
         this.orderDate = orderDate;
         this.status = status;
         this.createdAt = createdAt;
@@ -50,6 +54,22 @@ public class PurchaseOrderResponse {
         this.supplierName = supplierName;
     }
 
+    public Long getStoreId() {
+        return storeId;
+    }
+
+    public void setStoreId(Long storeId) {
+        this.storeId = storeId;
+    }
+
+    public String getStoreName() {
+        return storeName;
+    }
+
+    public void setStoreName(String storeName) {
+        this.storeName = storeName;
+    }
+
     public LocalDate getOrderDate() {
         return orderDate;
     }
@@ -87,12 +107,12 @@ public class PurchaseOrderResponse {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
         PurchaseOrderResponse that = (PurchaseOrderResponse) o;
-        return Objects.equals(purchaseOrderId, that.purchaseOrderId) && Objects.equals(supId, that.supId) && Objects.equals(supplierName, that.supplierName) && Objects.equals(orderDate, that.orderDate) && Objects.equals(status, that.status) && Objects.equals(createdAt, that.createdAt) && Objects.equals(updatedAt, that.updatedAt);
+        return Objects.equals(purchaseOrderId, that.purchaseOrderId) && Objects.equals(supId, that.supId) && Objects.equals(supplierName, that.supplierName) && Objects.equals(storeId, that.storeId) && Objects.equals(storeName, that.storeName) && Objects.equals(orderDate, that.orderDate) && Objects.equals(status, that.status) && Objects.equals(createdAt, that.createdAt) && Objects.equals(updatedAt, that.updatedAt);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(purchaseOrderId, supId, supplierName, orderDate, status, createdAt, updatedAt);
+        return Objects.hash(purchaseOrderId, supId, supplierName, storeId, storeName, orderDate, status, createdAt, updatedAt);
     }
 
     @Override
@@ -101,6 +121,8 @@ public class PurchaseOrderResponse {
                 "purchaseOrderId=" + purchaseOrderId +
                 ", supId=" + supId +
                 ", supplierName='" + supplierName + '\'' +
+                ", storeId=" + storeId +
+                ", storeName='" + storeName + '\'' +
                 ", orderDate=" + orderDate +
                 ", status='" + status + '\'' +
                 ", createdAt=" + createdAt +

backend/src/main/java/com/petshop/backend/entity/PurchaseOrder.java

@@ -4,11 +4,8 @@ import jakarta.persistence.*;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
 
-import java.math.BigDecimal;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.List;
 import java.util.Objects;
 
 @Entity
@@ -23,6 +20,10 @@ public class PurchaseOrder {
     @JoinColumn(name = "supId", nullable = false)
     private Supplier supplier;
 
+    @ManyToOne
+    @JoinColumn(name = "storeId")
+    private StoreLocation store;
+
     @Column(nullable = false)
     private LocalDate orderDate;
 
@@ -65,6 +66,14 @@ public class PurchaseOrder {
         this.supplier = supplier;
     }
 
+    public StoreLocation getStore() {
+        return store;
+    }
+
+    public void setStore(StoreLocation store) {
+        this.store = store;
+    }
+
     public LocalDate getOrderDate() {
         return orderDate;
     }

backend/src/main/java/com/petshop/backend/service/PurchaseOrderService.java

@@ -2,6 +2,7 @@ package com.petshop.backend.service;
 
 import com.petshop.backend.dto.purchaseorder.PurchaseOrderResponse;
 import com.petshop.backend.entity.PurchaseOrder;
+import com.petshop.backend.entity.StoreLocation;
 import com.petshop.backend.exception.ResourceNotFoundException;
 import com.petshop.backend.repository.PurchaseOrderRepository;
 import org.springframework.data.domain.Page;
@@ -34,10 +35,13 @@ public class PurchaseOrderService {
     }
 
     private PurchaseOrderResponse mapToResponse(PurchaseOrder purchaseOrder) {
+        StoreLocation store = purchaseOrder.getStore();
         return new PurchaseOrderResponse(
             purchaseOrder.getPurchaseOrderId(),
             purchaseOrder.getSupplier().getSupId(),
             purchaseOrder.getSupplier().getSupCompany(),
+            store != null ? store.getStoreId() : null,
+            store != null ? store.getStoreName() : null,
             purchaseOrder.getOrderDate(),
             purchaseOrder.getStatus(),
             purchaseOrder.getCreatedAt(),