LeafGasComparison extract single curve for optimization

Web/Controllers/ChartController.cs

@@ -32,9 +32,7 @@ namespace LeafWeb.Web.Controllers
 
 			try
 			{
-				var curveData = GetCurveData(leafOutputFile.Contents);
-
-				var curveIds = curveData.Select(c => c.CurveId).ToList();
+				var curveIds = GetCurveIds(leafOutputFile.Contents);
 
 				var viewModel = new ChartViewModel
 				{
@@ -64,14 +62,12 @@ namespace LeafWeb.Web.Controllers
 		    if (leafOutputFile == null)
 			    throw new ArgumentOutOfRangeException(); // TODO: break
 
-		    var curveData = GetCurveData(leafOutputFile.Contents);
+		    var curveData = GetCurveData(leafOutputFile.Contents, curveId);
 
-		    var curveIdData = curveData.FirstOrDefault(c => c.CurveId == curveId);
-
-		    if (curveIdData == null)
+		    if (curveData == null)
 			    return File("/Content/favicon/apple-icon-57x57.png", "image/png"); // TODO: different image ?
 
-		    var charts = GetChartBitmaps(curveIdData).ToList();
+		    var charts = GetChartBitmaps(curveData).ToList();
 
 		    var combinedChart = CombineBitmaps(charts);
 
@@ -85,13 +81,19 @@ namespace LeafWeb.Web.Controllers
 			}
 		}
 
-		private CurveData[] GetCurveData(byte[] fileContents)
+		private CurveData GetCurveData(byte[] fileContents, string curveId)
 		{
 			LeafGasComparison[] leafGasComparisons;
 			using (var parser = new LeafGasComparisonParser(fileContents))
-				leafGasComparisons = parser.Parse();
+				leafGasComparisons = parser.Parse(curveId);
 
-			return CurveDataConverter.Convert(leafGasComparisons).ToArray();
+			return CurveDataConverter.Convert(leafGasComparisons).First();
+		}
+
+		private string[] GetCurveIds(byte[] fileContents)
+		{
+			using (var parser = new LeafGasComparisonParser(fileContents))
+				return parser.ExtractCurveIds();
 		}
 
 		private IEnumerable<Bitmap> GetChartBitmaps(CurveData curveData)