public async Task <IHttpActionResult> PostTrainPost(TrainPost trainPost)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.TrainPost.Add(trainPost);

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (TrainPostExists(trainPost.PostID))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtRoute("DefaultApi", new { id = trainPost.PostID }, trainPost));
        }
        public async Task <IHttpActionResult> PutTrainPost(int id, TrainPost trainPost)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != trainPost.PostID)
            {
                return(BadRequest());
            }

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

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!TrainPostExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public async Task <IHttpActionResult> GetTrainPost(int id)
        {
            TrainPost trainPost = await db.TrainPost.FindAsync(id);

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

            return(Ok(trainPost));
        }
        public async Task <IHttpActionResult> DeleteTrainPost(int id)
        {
            TrainPost trainPost = await db.TrainPost.FindAsync(id);

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

            db.TrainPost.Remove(trainPost);
            await db.SaveChangesAsync();

            return(Ok(trainPost));
        }