Added User class, repository, service and controller. Tested and conf…

demo.iml

@@ -95,7 +95,7 @@
     <orderEntry type="library" scope="TEST" name="Maven: org.springframework:spring-test:5.3.9" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.xmlunit:xmlunit-core:2.8.2" level="project" />
     <orderEntry type="library" name="Maven: org.springframework.data:spring-data-commons:2.5.4" level="project" />
-    <orderEntry type="library" name="Maven: org.springframework:spring-beans:5.3.9" level="project" />
     <orderEntry type="library" name="Maven: org.slf4j:slf4j-api:1.7.32" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-beans:5.3.9" level="project" />
   </component>
 </module>

pom.xml

@@ -41,7 +41,12 @@
 			<artifactId>spring-data-commons</artifactId>
 			<version>2.5.4</version>
 		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+            <version>5.3.9</version>
+        </dependency>
+    </dependencies>
 
 	<build>
 		<plugins>

src/main/java/com/example/demo/RecipeRepository.java

@@ -1,6 +1,9 @@
 package com.example.demo;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Service;
 
 public interface RecipeRepository extends CrudRepository<Recipe, Long> {
+
 }

src/main/java/com/example/demo/User.java

@@ -0,0 +1,57 @@
+package com.example.demo;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class User {
+    @Id
+    @GeneratedValue
+    Long id;
+    String name;
+    String password;
+    Integer postCount;
+
+    public User() {
+    }
+
+    public User(Long id, String name, String password, Integer postCount) {
+        this.id = id;
+        this.name = name;
+        this.password = password;
+        this.postCount = postCount;
+    }
+
+    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 String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public Integer getPostCount() {
+        return postCount;
+    }
+
+    public void setPostCount(Integer postCount) {
+        this.postCount = postCount;
+    }
+}

src/main/java/com/example/demo/UserController.java

@@ -0,0 +1,41 @@
+package com.example.demo;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/userController")
+public class UserController {
+
+    @Autowired
+    private UserService service;
+
+    @GetMapping(value = "/read/{id}")
+    public ResponseEntity<User> read(@PathVariable Long id){
+        return new ResponseEntity<>(service.read(id), HttpStatus.OK);
+    }
+
+    @GetMapping(value = "/read")
+    public ResponseEntity<List<User>> readAll(){
+        return new ResponseEntity<>(service.readAll(), HttpStatus.OK);
+    }
+
+    @PostMapping(value = "/create")
+    public ResponseEntity<User> create(@RequestBody User user){
+        return new ResponseEntity<>(service.create(user), HttpStatus.CREATED);
+    }
+
+    @PutMapping(value = "/update/{id}")
+    public ResponseEntity<User> update(@PathVariable Long id, @RequestBody User user){
+        return new ResponseEntity<>(service.update(id, user), HttpStatus.OK);
+    }
+
+    @DeleteMapping(value = "/delete/{id}")
+    public ResponseEntity<User> delete(@PathVariable Long id){
+        return new ResponseEntity<>(service.delete(id), HttpStatus.OK);
+    }
+}

src/main/java/com/example/demo/UserRepository.java

@@ -0,0 +1,7 @@
+package com.example.demo;
+
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+public interface UserRepository extends CrudRepository<User, Long> {
+}

src/main/java/com/example/demo/UserService.java

@@ -0,0 +1,41 @@
+package com.example.demo;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class UserService {
+    @Autowired
+    private UserRepository repository;
+
+    public User create(User user){ return repository.save(user); }
+
+    public User read(Long id){ return repository.findById(id).get(); }
+
+    public List<User> readAll(){
+        Iterable<User> userIterable = repository.findAll();
+        List<User> result = new ArrayList<>();
+        userIterable.forEach(result::add);
+        return result;
+    }
+
+    public User update(Long id, User newUser){
+        User userInDatabase = read(id);
+        userInDatabase.setName(newUser.getName());
+        userInDatabase.setPassword(newUser.getPassword());
+        userInDatabase.setPostCount(newUser.getPostCount());
+        return repository.save(userInDatabase);
+    }
+
+    public User delete(User user){
+        repository.delete(user);
+        return user;
+    }
+
+    public User delete(Long id){
+        return delete(read(id));
+    }
+}