Fuel Log Import basic functionality

Web/Controllers/FuelLogController.cs

@@ -1,10 +1,9 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Web.Mvc;
+using MileageTraker.Web.Attributes;
 using MileageTraker.Web.DAL;
-using MileageTraker.Web.Models;
 using MileageTraker.Web.Utility;
 using MileageTraker.Web.ViewModels.FuelLog;
 
@@ -40,7 +39,7 @@ namespace MileageTraker.Web.Controllers
 			//	 orderby log. descending
 			//	 select log).ToList();
 
-			var viewModel = new FuelLogResultsViewModel(fuelLogs, query, CustomExtensions.YearMonthList(validLogYearMonths));
+			var viewModel = new ResultsViewModel(fuelLogs, query, CustomExtensions.YearMonthList(validLogYearMonths));
 
 			//Session.Add("FuelLogPage", Request.Url.PathAndQuery);
 
@@ -55,7 +54,8 @@ namespace MileageTraker.Web.Controllers
 		}
 
 		[HttpPost]
-		public ActionResult Import(FuelLogImportUploadViewModel viewModel)
+		[ActionLog]
+		public ActionResult Import(ImportUploadViewModel viewModel)
 		{
 			if (ModelState.IsValid && viewModel.File != null && viewModel.File.ContentLength > 0)
 			{
@@ -66,17 +66,23 @@ namespace MileageTraker.Web.Controllers
 
 				try
 				{
-					var logImports = FuelmanCsvImporter.Import(fileInfo);
-					// todo: add to the database
-					DataService.AddFuelLogs(logImports);
+					var fuelLogs = FuelmanCsvImporter.Import(fileInfo);
 					// todo: delete file?
-					return View(logImports.ToList());
+
+					var fls = (from fuelLog in fuelLogs
+					               let prevAdds = DataService.GetDuplicateFuelLogs(fuelLog)
+					               select new {ImportedFuelLog = fuelLog, PrevAdded = prevAdds.FirstOrDefault()}).ToList();
+
+					// add new logs to the database
+					DataService.AddFuelLogs(fls.Where(fl => fl.PrevAdded == null).Select(fl => fl.ImportedFuelLog));
+
+					var vms = from fl in fls
+					          let vm = fl.PrevAdded == null
+						                ? new ImportFuelLogViewModel(fl.ImportedFuelLog)
+						                : new ImportFuelLogViewModel(fl.PrevAdded) {PreviouslyAdded = true}
+					          select vm;
+					return View(vms.ToList());
 				}
-					//catch (OutOfMemoryException)
-					//{
-					//	TempData["StatusMessage"] = "Problem reading excel document - please verify that the document is in Excel 97-2003 Workbook (.xls) format";
-					//	TempData["StatusMessage-Type"] = "alert-error";
-					//}
 				catch (Exception ex)
 				{
 					TempData["StatusMessage"] = "Problem reading document: " + ex.Message;
@@ -90,6 +96,56 @@ namespace MileageTraker.Web.Controllers
 			}
 			return RedirectToAction("ImportUpload");
 		}
+
+		enum MatchStatus
+		{
+			Match,
+			NoMatch,
+			Error
+		}
+
+		[HttpPost]
+		public ActionResult Match(int fuelLogId)
+		{
+			var fuelLog = DataService.GetFuelLog(fuelLogId);
+			if (fuelLog == null)
+			{
+				return Json(new
+				{
+					Status = MatchStatus.Error.ToString(),
+					Message = "Fuel Log not found with given ID: " + fuelLogId
+				}, JsonRequestBehavior.AllowGet);
+			}
+			if (fuelLog.Log != null)
+			{
+				return Json(new
+				{
+					Status = MatchStatus.NoMatch.ToString(),
+					Message = "Already matched to log",
+					Action = RenderRazorViewToString("ImportMatchLogView", fuelLog.Log.LogId)
+
+				}, JsonRequestBehavior.AllowGet);
+			}
+
+			// run the match
+			var matchingLog = DataService.GetMatchingLog(fuelLog);
+			if (matchingLog == null)
+			{
+				return Json(new
+				{
+					Status = MatchStatus.NoMatch.ToString(),
+					Message = "Unable to find match"
+				}, JsonRequestBehavior.AllowGet);
+			}
+			fuelLog.Log = matchingLog;
+			DataService.UpdateFuelLog(fuelLog);
+			return Json(new
+			{
+				Status = MatchStatus.Match.ToString(),
+				Action = RenderRazorViewToString("ImportMatchedLog", new ImportMatchedLogViewModel { LogId = fuelLog.Log.LogId })
+			}, JsonRequestBehavior.AllowGet);
+		}
+
 		#endregion
 	}
 }