public IHttpActionResult PostHistoricalRequest(HistoricalRequest historicalRequest)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.HistoricalRequests.Add(historicalRequest);

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateException)
            {
                if (HistoricalRequestExists(historicalRequest.ID))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtRoute("DefaultApi", new { id = historicalRequest.ID }, historicalRequest));
        }
        public IHttpActionResult PutHistoricalRequest(int id, HistoricalRequest historicalRequest)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != historicalRequest.ID)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult GetHistoricalRequest(int id)
        {
            HistoricalRequest historicalRequest = db.HistoricalRequests.Find(id);

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

            return(Ok(historicalRequest));
        }
        public IHttpActionResult DeleteHistoricalRequest(int id)
        {
            HistoricalRequest historicalRequest = db.HistoricalRequests.Find(id);

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

            db.HistoricalRequests.Remove(historicalRequest);
            db.SaveChanges();

            return(Ok(historicalRequest));
        }