Relation Database

src/main/kotlin/com/chantha/jdbc/config/WebConfig.java

@@ -0,0 +1,4 @@
+package com.chantha.jdbc.config;
+
+public class WebConfig {
+}

src/main/kotlin/com/chantha/jdbc/controller/ProductController.kt

@@ -5,6 +5,7 @@ import com.chantha.jdbc.jpa.model.view.ProductWithOrderDetail
 import com.chantha.jdbc.jpa.repo.ProductRepo
 import com.chantha.jdbc.jpa.service.product.ProductService
 import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.web.bind.annotation.CrossOrigin
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.RestController
 
@@ -15,6 +16,7 @@ public class ProductController @Autowired constructor(private val productService
     fun product():List<ProductWithOrderDetail>{
         return productService.fetchAllProducts()
     }
+
     @GetMapping("/api/product/getproduct")
     fun getAllProduct():List<Product>{
         return productRepo.readAllRecord()

src/main/kotlin/com/chantha/jdbc/jpa/model/Customer.java

@@ -72,4 +72,5 @@ public class Customer implements Serializable {
     @JsonManagedReference
     @OneToMany(mappedBy = "customer")
     private List<Order> orders;
+
 }

src/main/kotlin/com/chantha/jdbc/jpa/model/Order.java

@@ -31,6 +31,11 @@ public class Order implements Serializable {
     @JoinColumn(name = "cusId",nullable = false,referencedColumnName = "id")
     private Customer customer;
 
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JsonBackReference
+    @JoinColumn(name = "sid",nullable = false,referencedColumnName = "id")
+    private Staff staff;
+
 
     @OneToMany(mappedBy = "order")
     private List<OrderDetail> orderDetails;
@@ -39,6 +44,14 @@ public class Order implements Serializable {
         return orderId;
     }
 
+    public Staff getStaff() {
+        return staff;
+    }
+
+    public void setStaff(Staff staff) {
+        this.staff = staff;
+    }
+
     public void setOrderId(Long orderId) {
         this.orderId = orderId;
     }
@@ -80,10 +93,11 @@ public class Order implements Serializable {
     public Order() {
     }
 
-    public Order(Long orderId,Date orderDate,double amount,Customer customer,List<OrderDetail> orderDetails) {
+    public Order(Long orderId,Date orderDate,double amount,Customer customer,List<OrderDetail> orderDetails,Staff staff) {
         this.orderId=orderId;
         this.orderDate=orderDate;
         this.amount=amount;
         this.orderDetails=orderDetails;
+        this.staff=staff;
     }
 }

src/main/kotlin/com/chantha/jdbc/jpa/model/Position.java

@@ -0,0 +1,25 @@
+package com.chantha.jdbc.jpa.model;
+
+import com.fasterxml.jackson.annotation.JsonManagedReference;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.List;
+
+@Entity
+@NoArgsConstructor
+@AllArgsConstructor
+@Data
+public class Position {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private String tittle;
+
+    @OneToMany(mappedBy = "position")
+    @JsonManagedReference
+    private List<Staff> staff;
+}

src/main/kotlin/com/chantha/jdbc/jpa/model/Staff.java

@@ -0,0 +1,33 @@
+package com.chantha.jdbc.jpa.model;
+
+import com.fasterxml.jackson.annotation.JsonBackReference;
+import com.fasterxml.jackson.annotation.JsonManagedReference;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.List;
+
+@Entity
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class Staff {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private String name;
+    private Gender gender;
+    private double salary;
+
+
+    @JsonManagedReference
+    @OneToMany(mappedBy = "staff")
+    private List<Order> orderList;
+
+    @JsonBackReference
+    @ManyToOne(fetch = FetchType.LAZY,cascade = CascadeType.ALL)
+    @JoinColumn(name = "posId",nullable = false,referencedColumnName = "id")
+    private Position position;
+}