improvement(issue-23): Audit annotations for the ShoppingList entity

src/main/java/dev/nmarulo/depensaapp/app/shoppinglist/ShoppingList.java

@@ -8,6 +8,9 @@
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
 
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
@@ -19,6 +22,7 @@
 @Getter
 @Setter
 @Entity
+@EntityListeners(AuditingEntityListener.class)
 @Table(name = "shopping_list")
 @ToString
 public class ShoppingList {
@@ -44,10 +48,12 @@ public class ShoppingList {
     private BigDecimal totalPrice;
 
     @Basic
-    @Column(name = "created_at")
+    @CreatedDate
+    @Column(name = "created_at", updatable = false)
     private LocalDateTime createdAt;
 
     @Basic
+    @LastModifiedDate
     @Column(name = "updated_at")
     private LocalDateTime updatedAt;
 

src/main/java/dev/nmarulo/depensaapp/app/shoppinglist/ShoppingListService.java

@@ -116,8 +116,6 @@ public SaveShoppingListRes save(SaveShoppingListReq request, User user) {
         shoppingList.setTotalProducts(0);
         shoppingList.setTotalCalories(new BigDecimal("0"));
         shoppingList.setTotalPrice(new BigDecimal("0"));
-        shoppingList.setCreatedAt(LocalDateTime.now());
-        shoppingList.setUpdatedAt(LocalDateTime.now());
         shoppingList.setUser(user);
 
         var save = this.shoppingListRepository.save(shoppingList);
@@ -137,7 +135,6 @@ public UpdateShoppingListRes update(Integer id, UpdateShoppingListReq request, U
         var shoppingList = shoppingListOptional.get();
 
         shoppingList.setName(request.getName());
-        shoppingList.setUpdatedAt(LocalDateTime.now());
 
         var update = this.shoppingListRepository.save(shoppingList);
 

src/main/java/dev/nmarulo/depensaapp/configuration/JpaConfig.java

@@ -0,0 +1,9 @@
+package dev.nmarulo.depensaapp.configuration;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@Configuration
+@EnableJpaAuditing
+public class JpaConfig {
+}