Added method for getting latest reading.

1 files changed, 18 insertions, 1 deletions

diff --git a/AirPollutionWebApi/Controllers/ReadingsController.cs b/AirPollutionWebApi/Controllers/ReadingsController.cs
index e8eb0fa..9173f72 100644
--- a/AirPollutionWebApi/Controllers/ReadingsController.cs
+++ b/AirPollutionWebApi/Controllers/ReadingsController.cs
@@ -21,7 +21,24 @@ namespace AirPollutionWebApi.Controllers
 
 			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)
 		{