Add Repository and Service

README.md

@@ -0,0 +1,8 @@
+### Backend Classrom Demo
+CUBETIQ Backend Training
+
+### TODO
+- [x] Entity
+- [x] Repository
+- [ ] Service
+- [x] Controller

build.gradle

@@ -1,7 +1,7 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.0.RELEASE'
+    id 'org.springframework.boot' version '2.3.0.RELEASE'
-	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
+    id 'io.spring.dependency-management' version '1.0.9.RELEASE'
-	id 'java'
+    id 'java'
 }
 
 group = 'com.cubetiqs'
@@ -9,23 +9,24 @@ version = '0.0.1-SNAPSHOT'
 sourceCompatibility = '1.8'
 
 repositories {
-	mavenCentral()
+    mavenCentral()
 }
 
 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 'org.springframework.boot:spring-boot-starter-web'
-	implementation 'io.springfox:springfox-swagger2:2.9.2'
+    implementation 'io.springfox:springfox-swagger2:2.9.2'
-	implementation 'io.springfox:springfox-swagger-ui:2.9.2'
+    implementation 'io.springfox:springfox-swagger-ui:2.9.2'
 
-	runtimeOnly 'org.postgresql:postgresql'
+    runtimeOnly 'mysql:mysql-connector-java'
-	compileOnly 'org.projectlombok:lombok'
+    runtimeOnly 'org.postgresql:postgresql'
-	annotationProcessor 'org.projectlombok:lombok'
+    compileOnly 'org.projectlombok:lombok'
-	testImplementation('org.springframework.boot:spring-boot-starter-test') {
+    annotationProcessor 'org.projectlombok:lombok'
-		exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
+    testImplementation('org.springframework.boot:spring-boot-starter-test') {
-	}
+        exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
+    }
 }
 
 test {
-	useJUnitPlatform()
+    useJUnitPlatform()
 }

homework/Home.md

@@ -0,0 +1,5 @@
+### Homework
+
+- [ ] Create project all functions from start
+- [ ] Add functions into BaseService (CRUD)
+- [ ] Create BaseController

src/main/java/com/cubetiqs/demo/DemoApplication.java

@@ -1,13 +1,24 @@
 package com.cubetiqs.demo;
 
+import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.rest.UserController;
+import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+import java.io.File;
+
 @SpringBootApplication
-public class DemoApplication {
+public class DemoApplication implements CommandLineRunner {
 
 	public static void main(String[] args) {
-		SpringApplication.run(DemoApplication.class, args);
+			SpringApplication.run(DemoApplication.class, args);
 	}
 
+
+	@Override
+	public void run(String... args) throws Exception {
+		UserEntity userEntity = new UserEntity();
+		userEntity.setEmail("a@gm.com");
+	}
 }

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

@@ -0,0 +1,47 @@
+package com.cubetiqs.demo.domain;
+
+import org.springframework.data.domain.Persistable;
+
+import javax.persistence.*;
+import java.io.Serializable;
+import java.util.Date;
+
+@MappedSuperclass
+public class BaseEntity<ID extends Serializable> implements Serializable, Persistable<ID> {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private ID id;
+
+    @Column(name = "created_date", updatable = false)
+    @Temporal(TemporalType.TIMESTAMP)
+    private Date createdDate;
+
+    public void setId(ID id) {
+        this.id = id;
+    }
+
+    @Override
+    public ID getId() {
+        return id;
+    }
+
+    @Override
+    public boolean isNew() {
+        return id == null;
+    }
+
+    public Date getCreatedDate() {
+        return createdDate;
+    }
+
+    public void setCreatedDate(Date createdDate) {
+        this.createdDate = createdDate;
+    }
+
+    @PrePersist
+    public void beforeSave() {
+        if (createdDate == null) {
+            createdDate = new Date();
+        }
+    }
+}

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

@@ -0,0 +1,27 @@
+package com.cubetiqs.demo.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "comments")
+@EqualsAndHashCode(callSuper = true)
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class CommentEntity extends BaseEntity<Long> {
+    @Column(columnDefinition = "TEXT")
+    private String contents;
+
+    @ManyToOne(fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH})
+    @JoinColumn(name = "post_id")
+    private PostEntity post;
+
+    @ManyToOne(fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH})
+    @JoinColumn(name = "user_id")
+    private UserEntity user;
+}

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

@@ -0,0 +1,31 @@
+package com.cubetiqs.demo.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Collection;
+
+@Entity
+@Table(name = "posts")
+@EqualsAndHashCode(callSuper = true)
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class PostEntity extends BaseEntity<Long> {
+    @Column
+    private String title;
+
+    @Column(columnDefinition = "TEXT")
+    private String contents;
+
+    @ManyToOne(fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH})
+    @JoinColumn(name = "user_id")
+    private UserEntity user;
+
+    @OneToMany(mappedBy = "post", fetch = FetchType.EAGER, cascade = {CascadeType.ALL}, orphanRemoval = true)
+    private Collection<CommentEntity> comments;
+}
+

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

@@ -1,20 +0,0 @@
-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;
-    private Boolean deleted;
-}

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

@@ -0,0 +1,21 @@
+package com.cubetiqs.demo.domain;
+
+import lombok.*;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "users")
+@EqualsAndHashCode(callSuper = true)
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class UserEntity extends BaseEntity<Long> {
+    @Column(name = "email", length = 100, unique = true, nullable = false)
+    private String email;
+
+    @Column(length = 100)
+    private String password;
+}

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

@@ -0,0 +1,10 @@
+package com.cubetiqs.demo.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.repository.NoRepositoryBean;
+
+import java.io.Serializable;
+
+@NoRepositoryBean
+public interface BaseRepository<T, ID extends Serializable> extends JpaRepository<T, ID> {
+}

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

@@ -0,0 +1,10 @@
+package com.cubetiqs.demo.repository;
+
+import com.cubetiqs.demo.domain.CommentEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CommentRepository extends JpaRepository<CommentEntity, Long> {
+    
+}

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

@@ -0,0 +1,9 @@
+package com.cubetiqs.demo.repository;
+
+import com.cubetiqs.demo.domain.PostEntity;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface PostRepository extends BaseRepository<PostEntity, Long> {
+    
+}

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

@@ -1,8 +0,0 @@
-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/repository/UserRepository.java

@@ -0,0 +1,9 @@
+package com.cubetiqs.demo.repository;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UserRepository extends BaseRepository<UserEntity, Long> {
+        
+}

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

@@ -0,0 +1,27 @@
+package com.cubetiqs.demo.rest;
+
+import com.cubetiqs.demo.domain.PostEntity;
+import com.cubetiqs.demo.service.PostService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Pageable;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequestMapping(path = {"/posts"})
+public class PostController {
+    private final PostService postService;
+
+    @Autowired
+    public PostController(PostService postService) {
+        this.postService = postService;
+    }
+
+    @GetMapping
+    public List<PostEntity> getAllPosts(Pageable pageable) {
+        return postService.findAll();
+    }
+}

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

@@ -1,34 +0,0 @@
-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.util.List;
-
-@RestController
-@RequestMapping(path = "/products")
-public class ProductController {
-    private final ProductRepository productRepository;
-
-    @Autowired
-    public ProductController(ProductRepository productRepository) {
-        this.productRepository = productRepository;
-    }
-
-    @RequestMapping(method = {RequestMethod.GET})
-    public List<Product> getAllProducts() {
-        return productRepository.findAll();
-    }
-
-    @GetMapping("/{id}")
-    public Product getOneProduct(@PathVariable Long id) {
-        return productRepository.findById(id).orElse(null);
-    }
-
-    @PostMapping
-    public Product createProduct(@RequestBody Product item) {
-        return productRepository.save(item);
-    }
-}

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

@@ -0,0 +1,73 @@
+package com.cubetiqs.demo.rest;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.repository.UserRepository;
+import com.cubetiqs.demo.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Pageable;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Optional;
+
+@RestController
+@RequestMapping(path = {"/users"})
+public class UserController {
+    private final UserRepository userRepository;
+    private final UserService userService;
+
+    @Autowired
+    public UserController(UserRepository userRepository, UserService userService) {
+        this.userRepository = userRepository;
+        this.userService = userService;
+    }
+
+    @GetMapping
+    public List<UserEntity> getAllUsers(Pageable pageable) {
+        return userService.findAll();
+    }
+
+    @GetMapping("/{id}")
+    public UserEntity getUserById(
+            @PathVariable Long id
+    ) {
+        return userRepository.findById(id).orElse(null);
+    }
+
+    @PostMapping
+    public UserEntity createUser(
+            @RequestBody UserEntity user
+    ) {
+        return userRepository.save(user);
+    }
+
+    @PutMapping("/{id}")
+    public UserEntity updateUser(
+            @PathVariable Long id,
+            @RequestBody UserEntity user
+    ) {
+        Optional<UserEntity> userEntityOptional = userRepository.findById(id);
+        if(userEntityOptional.isPresent()) {
+            // found
+            user.setId(id);
+            return userRepository.save(user);
+        } else {
+            return null;
+        }
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Object> deleteUser(
+            @PathVariable Long id
+    ) {
+        Optional<UserEntity> userEntityOptional = userRepository.findById(id);
+        if (userEntityOptional.isPresent()) {
+            userRepository.delete(userEntityOptional.get());
+            return ResponseEntity.status(HttpStatus.OK).body("user deleted");
+        } else {
+            return ResponseEntity.badRequest().body("not found");
+        }
+    }
+}

src/main/java/com/cubetiqs/demo/service/BaseService.java

@@ -0,0 +1,13 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.repository.BaseRepository;
+import org.springframework.data.repository.NoRepositoryBean;
+
+import java.io.Serializable;
+import java.util.List;
+
+@NoRepositoryBean
+public interface BaseService<T, ID extends Serializable> {
+    BaseRepository<T, ID> getRepository();
+    List<T> findAll();
+}

src/main/java/com/cubetiqs/demo/service/BaseServiceImpl.java

@@ -0,0 +1,14 @@
+package com.cubetiqs.demo.service;
+
+import org.springframework.data.repository.NoRepositoryBean;
+
+import java.io.Serializable;
+import java.util.List;
+
+@NoRepositoryBean
+public abstract class BaseServiceImpl<T, ID extends Serializable> implements BaseService<T, ID> {
+    @Override
+    public List<T> findAll() {
+        return getRepository().findAll();
+    }
+}

src/main/java/com/cubetiqs/demo/service/PostService.java

@@ -0,0 +1,8 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.domain.PostEntity;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface PostService extends BaseService<PostEntity, Long> {
+}

src/main/java/com/cubetiqs/demo/service/PostServiceImpl.java

@@ -0,0 +1,22 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.domain.PostEntity;
+import com.cubetiqs.demo.repository.BaseRepository;
+import com.cubetiqs.demo.repository.PostRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class PostServiceImpl extends BaseServiceImpl<PostEntity, Long> implements PostService {
+    private final PostRepository postRepository;
+
+    @Autowired
+    public PostServiceImpl(PostRepository postRepository) {
+        this.postRepository = postRepository;
+    }
+
+    @Override
+    public BaseRepository<PostEntity, Long> getRepository() {
+        return postRepository;
+    }
+}

src/main/java/com/cubetiqs/demo/service/UserService.java

@@ -0,0 +1,9 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface UserService extends BaseService<UserEntity, Long> {
+
+}

src/main/java/com/cubetiqs/demo/service/UserServiceImpl.java

@@ -0,0 +1,22 @@
+package com.cubetiqs.demo.service;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.repository.BaseRepository;
+import com.cubetiqs.demo.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class UserServiceImpl extends BaseServiceImpl<UserEntity, Long> implements UserService {
+    private final UserRepository userRepository;
+
+    @Autowired
+    public UserServiceImpl(UserRepository userRepository) {
+        this.userRepository = userRepository;
+    }
+
+    @Override
+    public BaseRepository<UserEntity, Long> getRepository() {
+        return userRepository;
+    }
+}

src/main/resources/application-mysql.yml

@@ -0,0 +1,12 @@
+server:
+  port: 8081
+
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: update
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    username: cubetiq
+    password: Root$
+    url: jdbc:mysql://192.168.0.150:3306/demo

src/main/resources/application-postgres.yml

@@ -0,0 +1,12 @@
+server:
+  port: 8081
+
+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

src/main/resources/application.yml

@@ -1,12 +1,3 @@
-server:
-  port: 8080
-
 spring:
-  jpa:
+  profiles:
-    hibernate:
+    active: postgres
-      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