get user by username

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

@@ -48,6 +48,16 @@ public class UserController {
         }
     }
 
+    @GetMapping("/get/username/{username}")
+    public ResponseEntity<User> getUserByUsername(@PathVariable("username") String username) {
+        User user = userService.getUserByUsernameService(username);
+        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

@@ -11,4 +11,6 @@ public interface UserRepository extends JpaRepository<User, Long> {
 
     Optional<User> findUserByName(String name);
 
+    Optional<User> findUserByUsername(String username);
+
 }

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

@@ -30,6 +30,10 @@ public class UserService {
         return userRepository.findUserByName(name).orElse(null);
     }
 
+    public User getUserByUsernameService(String username){
+        return userRepository.findUserByUsername(username).orElse(null);
+    }
+
     public User createUser(User user) {
         return userRepository.save(user);
     }