Implemented api for users

src/main/java/ch/progetto152/controller/UserController.java

@@ -38,6 +38,16 @@ public class UserController {
         }
     }
 
+    @GetMapping("/get/name/{name}")
+    public ResponseEntity<User> getUserByName(@PathVariable("name") String name) {
+        User user = userService.getUserByNameService(name);
+        if (user != null) {
+            return new ResponseEntity<>(user, HttpStatus.OK);
+        } else {
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+    }
+
     @PostMapping("/create/{id}")
     public ResponseEntity<User> createUser(@RequestBody User user) {
         User createdUser = userService.createUser(user);

src/main/java/ch/progetto152/repository/UserRepository.java

@@ -4,7 +4,11 @@ import ch.progetto152.entity.User;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
+import java.util.Optional;
+
 @Repository
-public interface UserRepository extends JpaRepository<User, Integer> {
+public interface UserRepository extends JpaRepository<User, Long> {
+
+    Optional<User> findUserByName(String name);
 
 }

src/main/java/ch/progetto152/services/UserService.java

@@ -19,12 +19,15 @@ public class UserService {
     }
 
     public List<User> getAllUsers() {
-        System.out.println(userRepository.findAll());
         return userRepository.findAll();
     }
 
     public User getUserByIdService(Long id) {
-        return null;
+        return userRepository.findById(id).orElse(null);
+    }
+
+    public User getUserByNameService(String name){
+        return userRepository.findUserByName(name).orElse(null);
     }
 
     public User createUser(User user) {
@@ -32,10 +35,23 @@ public class UserService {
     }
 
     public User updateUser(Long id, User user) {
+        User user1 = getUserByIdService(id);
+        if (user1 != null) {
+            user1.setName(user.getName());
+            user1.setUsername(user.getUsername());
+            user1.setPassword(user.getPassword());
+            return userRepository.save(user1);
+        } else {
             return null;
         }
+    }
 
     public boolean deleteUser(Long id) {
+        boolean exists = userRepository.existsById(id);
+        if(!exists){
             return false;
         }
+        userRepository.deleteById(id);
+        return true;
+    }
 }