Add domain model and repository and swagger

build.gradle

@@ -13,8 +13,11 @@ repositories {
 }
 
 dependencies {
-	// implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	 implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'io.springfox:springfox-swagger2:2.9.2'
+	implementation 'io.springfox:springfox-swagger-ui:2.9.2'
+
 	runtimeOnly 'org.postgresql:postgresql'
 	compileOnly 'org.projectlombok:lombok'
 	annotationProcessor 'org.projectlombok:lombok'

src/main/java/com/cubetiqs/demo/config/SpringFoxConfig.java

@@ -0,0 +1,22 @@
+package com.cubetiqs.demo.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+@Configuration
+@EnableSwagger2
+public class SpringFoxConfig {
+    @Bean
+    public Docket api() {
+        return new Docket(DocumentationType.SWAGGER_2)
+                .select()
+                .apis(RequestHandlerSelectors.any())
+                .paths(PathSelectors.any())
+                .build();
+    }
+}

src/main/java/com/cubetiqs/demo/domain/Product.java

@@ -2,12 +2,17 @@ package com.cubetiqs.demo.domain;
 
 import lombok.*;
 
+import javax.persistence.*;
 import java.math.BigDecimal;
 
+@Entity
+@Table(name = "products")
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
 public class Product {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
     private Long id;
     private String name;
     private BigDecimal price;

src/main/java/com/cubetiqs/demo/repository/ProductRepository.java

@@ -0,0 +1,8 @@
+package com.cubetiqs.demo.repository;
+
+import com.cubetiqs.demo.domain.Product;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ProductRepository extends JpaRepository<Product, Long> {
+
+}

src/main/java/com/cubetiqs/demo/rest/ProductController.java

@@ -1,32 +1,35 @@
 package com.cubetiqs.demo.rest;
 
 import com.cubetiqs.demo.domain.Product;
+import com.cubetiqs.demo.repository.ProductRepository;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
 import java.math.BigDecimal;
-import java.util.ArrayList;
 import java.util.List;
 
 @RestController
 @RequestMapping(path = "/products")
 public class ProductController {
-    private final List<Product> items = new ArrayList<>();
+    private final ProductRepository productRepository;
+
+    @Autowired
+    public ProductController(ProductRepository productRepository) {
+        this.productRepository = productRepository;
+    }
 
     @RequestMapping(method = {RequestMethod.GET})
     public List<Product> getAllProducts() {
-        items.add(new Product(1L, "Apple", BigDecimal.valueOf(1.0), false));
-        items.add(new Product(2L, "Apple", BigDecimal.valueOf(0.5), true));
-        return items;
+        return productRepository.findAll();
     }
 
     @GetMapping("/{id}")
-    public Product getOneProduct(@PathVariable int id) {
-        return items.get(id);
+    public Product getOneProduct(@PathVariable Long id) {
+        return productRepository.findById(id).orElse(null);
     }
 
     @PostMapping
     public Product createProduct(@RequestBody Product item) {
-        items.add(item);
-        return item;
+        return productRepository.save(item);
     }
 }

src/main/resources/application.yml

@@ -1,3 +1,12 @@
 server:
   port: 8080
 
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: update
+  datasource:
+    driver-class-name: org.postgresql.Driver
+    username: cubetiq
+    password: Root$
+    url: jdbc:postgresql://${POSTGRES_HOST:192.168.0.150}:5432/demo?createDatabaseIfNotExist=true&allowPublicKeyRetrieval=true&useSSL=false