completed user controller

README.md

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

build.gradle

@@ -18,6 +18,7 @@ dependencies {
     implementation 'io.springfox:springfox-swagger2:2.9.2'
     implementation 'io.springfox:springfox-swagger-ui:2.9.2'
 
+    runtimeOnly 'mysql:mysql-connector-java'
     runtimeOnly 'org.postgresql:postgresql'
     compileOnly 'org.projectlombok:lombok'
     annotationProcessor 'org.projectlombok:lombok'

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

@@ -1,10 +1,13 @@
 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 implements CommandLineRunner {
 

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

@@ -12,7 +12,7 @@ public class BaseEntity<ID extends Serializable> implements Serializable, Persis
     @GeneratedValue(strategy = GenerationType.AUTO)
     private ID id;
 
-    @Column(name = "created_date")
+    @Column(name = "created_date", updatable = false)
     @Temporal(TemporalType.TIMESTAMP)
     private Date createdDate;
 

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

@@ -7,7 +7,6 @@ import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
 import java.util.Collection;
-import java.util.List;
 
 @Entity
 @Table(name = "posts")
@@ -18,8 +17,10 @@ import java.util.List;
 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;
@@ -27,3 +28,4 @@ public class PostEntity extends BaseEntity<Long> {
     @OneToMany(mappedBy = "post", fetch = FetchType.EAGER, cascade = {CascadeType.ALL}, orphanRemoval = true)
     private Collection<CommentEntity> comments;
 }
+

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

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

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

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

@@ -0,0 +1,70 @@
+package com.cubetiqs.demo.rest;
+
+import com.cubetiqs.demo.domain.UserEntity;
+import com.cubetiqs.demo.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+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.Optional;
+
+@RestController
+@RequestMapping(path = {"/users"})
+public class UserController {
+    private final UserRepository userRepository;
+
+    @Autowired
+    public UserController(UserRepository userRepository) {
+        this.userRepository = userRepository;
+    }
+
+    @GetMapping
+    public Page<UserEntity> getAllUsers(Pageable pageable) {
+        return userRepository.findAll(pageable);
+    }
+
+    @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/resources/application-mysql.yml

@@ -0,0 +1,12 @@
+server:
+  port: 8080
+
+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: 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

src/main/resources/application.yml

@@ -1,12 +1,3 @@
-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
+  profiles:
+    active: postgres