public IHttpActionResult PutUserConversation(int id, UserConversationDto userConversationDto)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            UserConversation userConversation = Mapper.Map <UserConversationDto, UserConversation>(userConversationDto);

            if (id != userConversationDto.Id)
            {
                return(BadRequest());
            }

            db.Entry(userConversation).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!UserConversationExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult PostUserConversation(UserConversationDto userConversationDto)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            UserConversation userConversation = Mapper.Map <UserConversationDto, UserConversation>(userConversationDto);

            db.UserConversations.Add(userConversation);
            db.SaveChanges();

            Mapper.Map(userConversation, userConversationDto);

            return(CreatedAtRoute("DefaultApi", new { id = userConversationDto.Id }, userConversationDto));
        }