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using System.Collections.Generic;
using System.Web.Http;
using AirPollutionWebApi.Models;
using AirPollutionWebApi.Singletons;
namespace AirPollutionWebApi.Controllers
{
public class ReadingsController : ApiController
{
public ReadingsController() { }
public IEnumerable<Reading> GetAllReadings()
{
var readings = SqlOperator.GetAllReadings();
return readings;
}
public IHttpActionResult GetReading(int id)
{
var reading = SqlOperator.GetReadingById(id);
if (reading != null) return Ok(reading);
else return NotFound();
}
[Route("/api/Readings/latest")]
public IHttpActionResult GetLatestReading()
{
var readings = SqlOperator.GetAllReadings();
Reading latestReading = null;
foreach(var reading in readings)
{
if (latestReading == null) latestReading = reading;
if (reading.TimeStamp > latestReading.TimeStamp)
latestReading = reading;
}
if (latestReading != null) return Ok(latestReading);
else return NotFound();
}
public IHttpActionResult PutReading(int id, Reading reading)
{
if (reading != null)
{
SqlOperator.PutReading(id, reading);
return Ok();
}
else return BadRequest();
}
public IHttpActionResult PostReading(Reading reading)
{
if (reading != null)
{
SqlOperator.PostReading(reading);
return Ok();
}
else return BadRequest();
}
public IHttpActionResult DeleteReading(int id)
{
Reading reading = SqlOperator.GetReadingById(id);
if (reading == null)
{
return NotFound();
}
SqlOperator.DeleteReading(id);
return Ok(reading);
}
}
}
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