Merge pull request #184 from depromeet/feature/#182

[🆘 Bug] 아이디(username) 변경 시 한글, 특수문자 입력하면 오류 #182

backend/application/api/src/main/kotlin/io/raemian/api/auth/controller/request/UpdateUserRequest.kt

@@ -12,4 +12,9 @@ data class UpdateUserInfoRequest(
     val birth: LocalDate,
     val username: String,
     val image: String,
-)
+) {
+    fun validateUsername(): Boolean {
+        val regex = "^[A-Za-z0-9]+(?:-[A-Za-z0-9]+)*".toRegex()
+        return regex.matches(username)
+    }
+}

backend/application/api/src/main/kotlin/io/raemian/api/support/error/ErrorInfo.kt

@@ -50,4 +50,11 @@ enum class ErrorInfo(
         "같은 인생 지도는 1분에 1번만 응원할 수 있습니다.",
         LogLevel.INFO,
     ),
+
+    INVALID_USERNAME(
+        HttpStatus.BAD_REQUEST,
+        1005,
+        "유효하지 않은 username 입니다.",
+        LogLevel.INFO,
+    ),
 }

backend/application/api/src/main/kotlin/io/raemian/api/user/controller/UserController.kt

@@ -5,6 +5,7 @@ import io.raemian.api.auth.controller.request.UpdateUserRequest
 import io.raemian.api.auth.domain.CurrentUser
 import io.raemian.api.auth.domain.UserDTO
 import io.raemian.api.lifemap.LifeMapService
+import io.raemian.api.support.error.ErrorInfo
 import io.raemian.api.support.response.ApiResponse
 import io.raemian.api.user.controller.response.UserResponse
 import io.raemian.api.user.service.UserService
@@ -63,8 +64,13 @@ class UserController(
             return ResponseEntity.ok().body(ApiResponse.success(updated))
         }
 
-        val isDuplicated = userService.isDuplicatedUsername(updateUserInfoRequest.username)
-        if (isDuplicated) {
+        if (!updateUserInfoRequest.validateUsername()) {
+            return ResponseEntity
+                .status(400)
+                .body(ApiResponse.error(ErrorInfo.RESOURCE_NOT_FOUND))
+        }
+
+        if (userService.isDuplicatedUsername(updateUserInfoRequest.username)) {
             return ResponseEntity.status(409).build()
         }
 

backend/application/api/src/test/kotlin/io/raemian/api/support/RegexTest.kt

@@ -0,0 +1,24 @@
+package io.raemian.api.support
+
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+
+class RegexTest {
+
+    @Test
+    @DisplayName("유저네임 영문+숫자+하이픈 으로만 생성 가능하도록 체크")
+    fun validateUsername() {
+        val regex = "^[A-Za-z0-9]+(?:-[A-Za-z0-9]+)*".toRegex()
+        val result1 = regex.matches("aaaaaa00000")
+        val result2 = regex.matches("아아아아아아")
+        val result3 = regex.matches("-aaaa")
+        val result4 = regex.matches("aaaa-")
+        val result5 = regex.matches("----")
+
+        println(result1)
+        println(result2)
+        println(result3)
+        println(result4)
+        println(result5)
+    }
+}