Adding soft delete

persistence-modules/spring-data-jpa-crud/pom.xml

@@ -33,6 +33,11 @@
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
         </dependency>
+        <dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<scope>runtime</scope>
+		</dependency>
         <dependency>
             <groupId>net.ttddyy</groupId>
             <artifactId>datasource-proxy</artifactId>

persistence-modules/spring-data-jpa-crud/src/main/java/com/baeldung/softdelete/Product.java

@@ -0,0 +1,69 @@
+package com.baeldung.softdelete;
+
+
+import java.io.Serializable;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import org.hibernate.annotations.Filter;
+import org.hibernate.annotations.FilterDef;
+import org.hibernate.annotations.ParamDef;
+import org.hibernate.annotations.SQLDelete;
+
+@Entity
+@Table(name = "tbl_products")
+@SQLDelete(sql = "UPDATE tbl_products SET deleted = true WHERE id=?")
+// @Where(clause = "deleted=false")
+@FilterDef(name = "deletedProductFilter", parameters = @ParamDef(name = "isDeleted", type = "boolean"))
+@Filter(name = "deletedProductFilter", condition = "deleted = :isDeleted")
+public class Product implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+
+    private double price;
+
+    private boolean deleted = Boolean.FALSE;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    public void setPrice(double price) {
+        this.price = price;
+    }
+
+    public boolean isDeleted() {
+        return deleted;
+    }
+
+    public void setDeleted(boolean deleted) {
+        this.deleted = deleted;
+    }
+
+}

persistence-modules/spring-data-jpa-crud/src/main/java/com/baeldung/softdelete/ProductController.java

@@ -0,0 +1,34 @@
+package com.baeldung.softdelete;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/products")
+public class ProductController {
+
+    @Autowired
+    private ProductService productService;
+
+    @PostMapping
+    public Product createOne(@RequestBody Product product) {
+        return productService.create(product);
+    }
+
+    @DeleteMapping("/{id}")
+    public void removeOne(@PathVariable("id") Long id) {
+        productService.remove(id);
+    }
+
+    @GetMapping
+    public Iterable<Product> findAll(@RequestParam(value = "isDeleted", required = false, defaultValue = "false") boolean isDeleted) {
+        return productService.findAll(isDeleted);
+    }
+}

persistence-modules/spring-data-jpa-crud/src/main/java/com/baeldung/softdelete/ProductRepository.java

@@ -0,0 +1,7 @@
+package com.baeldung.softdelete;
+
+import org.springframework.data.repository.CrudRepository;
+
+public interface ProductRepository extends CrudRepository<Product, Long>{
+
+}

persistence-modules/spring-data-jpa-crud/src/main/java/com/baeldung/softdelete/ProductService.java

@@ -0,0 +1,36 @@
+package com.baeldung.softdelete;
+
+import javax.persistence.EntityManager;
+
+import org.hibernate.Filter;
+import org.hibernate.Session;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class ProductService {
+
+    @Autowired
+    private ProductRepository productRepository;
+
+    @Autowired
+    private EntityManager entityManager;
+
+    public Product create(Product product) {
+        return productRepository.save(product);
+    }
+
+    public void remove(Long id){
+        productRepository.deleteById(id);
+    }
+
+    public Iterable<Product> findAll(boolean isDeleted){
+        //return productRepository.findAll();
+        Session session = entityManager.unwrap(Session.class);
+        Filter filter = session.enableFilter("deletedProductFilter");
+        filter.setParameter("isDeleted", isDeleted);
+        Iterable<Product> products =  productRepository.findAll();
+        session.disableFilter("deletedProductFilter");
+        return products;
+    }
+}

persistence-modules/spring-data-jpa-crud/src/main/resources/application.properties

@@ -12,3 +12,9 @@ spring.jpa.properties.hibernate.generate_statistics=true
 #spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=create.sql
 #spring.jpa.properties.javax.persistence.schema-generation.scripts.create-source=metadata
 #spring.jpa.properties.hibernate.format_sql=true
+
+spring.datasource.url=jdbc:mysql://localhost:3306/db_products?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC
+spring.datasource.username=root
+spring.datasource.password=root
+
+spring.jpa.hibernate.ddl-auto= update