updated saving temperatures end point

server/controller/api/sensor.go

@@ -27,6 +27,11 @@ func HandleSensorRequest(w http.ResponseWriter, r *http.Request, ps httprouter.P
 
 		//get request parameters - convert temp to float64
 		temperature, _ := strconv.ParseFloat(r.URL.Query().Get("temperature"), 64)
+		if temperature < -50 {
+			fmt.Fprint(w, "{ message: \"Bad temperature reading\"}")
+			return
+		}
+
 		location := r.URL.Query().Get("location")
 		t := time.Now()
 
@@ -214,4 +219,4 @@ func createResponse(s []daily_sensor.Data, err error) string{
 	}
 	
 	return response
-}
+}