From 55fa1f08621a975f439c50d853c4b55fe044e15f Mon Sep 17 00:00:00 2001
From: marcinzelent <zelent.marcin@gmail.com>
Date: Thu, 23 Nov 2017 11:42:09 +0100
Subject: Added method for getting latest reading.

---
 AirPollutionWebApi/Controllers/ReadingsController.cs | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'AirPollutionWebApi')

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)
 		{
-- 
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