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.userprefs                         | 15 ++++++++++++++-
 AirPollutionWebApi/Controllers/ReadingsController.cs | 19 ++++++++++++++++++-
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/AirPollutionWebApi.userprefs b/AirPollutionWebApi.userprefs
index 68dadb7..fc3817b 100644
--- a/AirPollutionWebApi.userprefs
+++ b/AirPollutionWebApi.userprefs
@@ -1 +1,14 @@
-<Properties />
\ No newline at end of file
+<Properties StartupConfiguration="{22C32F4C-0DEB-40EA-9D56-48942CBB2A07}|">
+  <MonoDevelop.Ide.ItemProperties.AirPollutionWebApi PreferredExecutionTarget="MonoDevelop.Default" />
+  <MonoDevelop.Ide.Workbench ActiveDocument="AirPollutionWebApi/Controllers/ReadingsController.cs">
+    <Files>
+      <File FileName="AirPollutionWebApi/Controllers/ReadingsController.cs" Line="26" Column="18" />
+    </Files>
+  </MonoDevelop.Ide.Workbench>
+  <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug" />
+  <MonoDevelop.Ide.DebuggingService.Breakpoints>
+    <BreakpointStore />
+  </MonoDevelop.Ide.DebuggingService.Breakpoints>
+  <MonoDevelop.Ide.DebuggingService.PinnedWatches />
+  <MultiItemStartupConfigurations />
+</Properties>
\ No newline at end of file
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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