Track source filename for FuelLog

Web/Controllers/FuelLogController.cs

@@ -129,6 +129,9 @@ namespace MileageTraker.Web.Controllers
 				try
 				{
 					var fuelLogs = FuelmanCsvImporter.Import(fileInfo);
+					foreach (var fuelLog in fuelLogs)
+						fuelLog.SourceFilename = fileName;
+					
 					// todo: delete file?
 
 					var fls = (from fuelLog in fuelLogs

Web/Migrations/201509111820437_FuelLog.cs

@@ -20,6 +20,7 @@ namespace MileageTraker.Web.Migrations
                         MPG = c.Double(nullable: false),
                         GasPurchased = c.Double(nullable: false),
                         TotalPrice = c.Decimal(nullable: false, precision: 18, scale: 2),
+                        SourceFilename = c.String(),
                         Log_LogId = c.Int(),
                     })
                 .PrimaryKey(t => t.FuelLogId)

Web/Models/FuelLog.cs

@@ -37,5 +37,7 @@ namespace MileageTraker.Web.Models
 
 		// Matched log
 		public virtual Log Log { get; set; }
+
+		public string SourceFilename { get; set; }
 	}
 }