public async Task <IHttpActionResult> PutInstallZone(int id, InstallZone installZone)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != installZone.InstallZoneId)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public async Task <IHttpActionResult> GetInstallZone(int id)
        {
            InstallZone installZone = await db.InstallZones.FindAsync(id);

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

            return(Ok(installZone));
        }
        public async Task <IHttpActionResult> PostInstallZone(InstallZone installZone)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.InstallZones.Add(installZone);
            await db.SaveChangesAsync();

            return(CreatedAtRoute("DefaultApi", new { id = installZone.InstallZoneId }, installZone));
        }
        public async Task <IHttpActionResult> DeleteInstallZone(int id)
        {
            InstallZone installZone = await db.InstallZones.FindAsync(id);

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

            db.InstallZones.Remove(installZone);
            await db.SaveChangesAsync();

            return(Ok(installZone));
        }