add user by mail endpoint

src/main/java/ru/soune/no_copy/controller/UserController.java

@@ -42,6 +42,38 @@ public class UserController {
         return ResponseEntity.ok(allUsers);
     }
 
+    @GetMapping
+    public ResponseEntity<UserDTO> getUser(@RequestParam("email") String email,
+                                           @RequestHeader("Authorization") String tokenHeader) {
+        String token = tokenHeader.replace("Bearer ", "");
+
+        Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);
+
+        AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));
+
+        if (authToken != null) {
+            Optional<User> user = userRepository.findByEmail(email);
+            //TODO add mapper
+            if (user.isPresent()) {
+                UserDTO userDTO = userMapper.toDTO(user.get());
+                userDTO.setEmail(email);
+                userDTO.setFullName(user.get().getFullName());
+                userDTO.setCompany(user.get().getCompany());
+                userDTO.setPhone(user.get().getPhone());
+                userDTO.setGenderType(user.get().getGenderType());
+                userDTO.setBirthday(user.get().getBirthday());
+                userDTO.setCreatedAt(user.get().getCreatedAt());
+                userDTO.setSubscriptionType(user.get().getSubscriptionType());
+                userDTO.setActive(user.get().getIsActive());
+
+                return ResponseEntity.ok(userDTO);
+            }
+
+        }
+
+        return ResponseEntity.notFound().build();
+    }
+
     //TODO fix mapper,doesnot exist all fields
     @PostMapping("/change-password")
     public ResponseEntity<UserDTO> updateUser(@RequestBody ChangePasswordRequest changePasswordRequest,