회원관리 관리 수정

src/main/java/com/kamco/cd/kamcoback/members/AuthController.java

@@ -56,6 +56,10 @@ public class AuthController {
     @ApiResponse(
       responseCode = "401",
       description = "ID 또는 비밀번호 불일치",
+      content = @Content(schema = @Schema(implementation = ErrorResponse.class))),
+    @ApiResponse(
+      responseCode = "400",
+      description = "미사용 상태",
       content = @Content(schema = @Schema(implementation = ErrorResponse.class)))
   })
   public ApiResponseDto<TokenResponse> signin(
@@ -65,6 +69,12 @@ public class AuthController {
     @RequestBody
     SignInRequest request,
     HttpServletResponse response) {
+
+    //
+    if (authService.existsUsername(request)) {
+//      return
+    }
+
     Authentication authentication =
       authenticationManager.authenticate(
         new UsernamePasswordAuthenticationToken(request.getUsername(), request.getPassword()));