public async Task <IHttpActionResult> EditBio(int userID, string bio)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (string.IsNullOrWhiteSpace(bio))
            {
                return(BadRequest());
            }

            var user = await db.Users.FirstOrDefaultAsync((u) => u.UserID == userID);

            if (user == null)
            {
                return(NotFound());
            }

            await db.EditUserBio(userID, bio);

            return(Ok());
        }