public async Task <IActionResult> AddIfNotExistsCharacter(CharacterToAddDTO characterToAdd) { if (await _characterRepository.CharacterExists(characterToAdd)) { // 409 conflict seems to be most appropriate status code return(StatusCode(409)); } var character = new Character { Name = characterToAdd.Name, Realm = characterToAdd.Realm, Region = characterToAdd.Region, Class = characterToAdd.Class, FullName = characterToAdd.FullName, }; var addedCharacter = await _characterRepository.Add(character); return(StatusCode(201)); }