public async Task <IHttpActionResult> PutConsumptionItem(int id, ConsumptionDevice consumptionDevice)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

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

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public async Task <IHttpActionResult> PostConsumptionItem(ConsumptionDevice consumptionDevice)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.ConsumptionDevices.Add(consumptionDevice);
            await db.SaveChangesAsync();

            return(CreatedAtRoute("DefaultApi", new { id = consumptionDevice.Id }, consumptionDevice));
        }
        public async Task <IHttpActionResult> DeleteConsumptionItem(int id)
        {
            ConsumptionDevice consumptionDevice = await db.ConsumptionDevices.FindAsync(id);

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

            db.ConsumptionDevices.Remove(consumptionDevice);
            await db.SaveChangesAsync();

            return(Ok(consumptionDevice));
        }