Log Import for CreateLog

2014-02-05 15:02:10 -05:00
parent 7976fe04c3
commit 042d3dd476
13 changed files with 349 additions and 27 deletions
@@ -1,12 +1,16 @@
 using System;
+using System.Collections.Generic;
+using System.Data.Entity.Validation;
+using System.IO;
 using System.Linq;
 using System.Security;
 using System.Web.Mvc;
+using System.Web.Routing;
 using MileageTraker.Web.Attributes;
+using MileageTraker.Web.DAL;
 using MileageTraker.Web.Models;
 using MileageTraker.Web.ViewModels;
 using MileageTraker.Web.ViewModels.CreateLog;
-using MileageTraker.Web.ViewModels.Log;

 namespace MileageTraker.Web.Controllers
 {
@@ -160,5 +164,189 @@ namespace MileageTraker.Web.Controllers
 					}
 			};
 		}
+
+		#region Import
+
+		public ActionResult ImportUpload()
+		{
+			return View();
+		}
+
+		[HttpPost]
+		public ActionResult Import(ImportUploadViewModel viewModel)
+		{
+			if (ModelState.IsValid && viewModel.File != null && viewModel.File.ContentLength > 0)
+			{
+				var fileName = Path.GetFileName(viewModel.File.FileName);
+				var path = Path.Combine(Server.MapPath("~/App_Data/uploads"), fileName);
+				viewModel.File.SaveAs(path);
+
+				try
+				{
+					var logImports = LogImporter.Import(path);
+					// todo: delete file?
+					return View(logImports.ToList());
+				}
+				catch (Exception ex)
+				{
+					TempData["StatusMessage"] = "Problem reading excel document: " + ex.Message;
+					TempData["StatusMessage-Type"] = "alert-error";
+				}
+			}
+			return RedirectToAction("ImportUpload");
+		}
+
+		enum ImportStatus
+		{
+			Success,
+			Failure,
+			Duplicate
+		}
+
+		[HttpPost]
+		[ActionLog]
+		public ActionResult ImportCreate(LogImportViewModel viewModel)
+		{
+			var buttonAttributes = new Dictionary<string, object> { { "class", "btn btn-mini" }, { "target", "_blank" } };
+
+			try
+			{
+				// verify purpose
+				var purposeType = DataService.FindPurposeType(viewModel.Purpose);
+				if (purposeType == null)
+				{
+					return Json(new
+					{
+						Status = ImportStatus.Failure.ToString(),
+						Message = "Invalid Purpose: " + viewModel.Purpose,
+						Action = GetFixLink(viewModel)
+					}, JsonRequestBehavior.AllowGet);
+				}
+
+				if (!ModelState.IsValid)
+				{
+					var errorList = GetModelStateErrorList(ModelState);
+					// remove the object name from the errors
+					errorList = errorList.Select(s => s.Replace("viewModel.", ""));
+
+					return Json(new
+					{
+						Status = ImportStatus.Failure.ToString(),
+						Message = string.Join(", ", errorList),
+						Action = GetFixLink(viewModel)
+					}, JsonRequestBehavior.AllowGet);
+				}
+
+				var log = viewModel.GetLog();
+				log.User = DataService.FindUserByUsername(User.Identity.Name);
+				log.Source = HttpContext.Request.Url.AbsolutePath;
+				log.UserHostAddress = HttpContext.Request.UserHostAddress;
+				log.UserAgent = HttpContext.Request.UserAgent;
+				log.Purpose = purposeType;
+
+				// check duplicate
+				var duplicateLogs = DataService.GetDuplicateLogs(log).ToList();
+				if (duplicateLogs.Any())
+				{
+					var link = HtmlHelper.GenerateLink(
+						ControllerContext.RequestContext, RouteTable.Routes,
+						"Edit", "Default", "EditPast", "CreateLog",
+						new RouteValueDictionary(new { id = duplicateLogs.First().LogId }),
+						buttonAttributes);
+					return Json(new
+					{
+						Status = ImportStatus.Duplicate.ToString(),
+						Message = "This log has been previously entered",
+						Action = link
+					}, JsonRequestBehavior.AllowGet);
+				}
+				// verify vehicle exists
+				if (DataService.GetVehicle(log.VehicleId) == null)
+				{
+					return Json(new
+					{
+						Status = ImportStatus.Failure.ToString(),
+						Message = "Vehile with supplied ID does not exist",
+						Action = GetFixLink(viewModel)
+					}, JsonRequestBehavior.AllowGet);
+				}
+
+				// SAVE IT!
+				DataService.AddLog(log);
+
+				var successLink = HtmlHelper.GenerateLink(
+					ControllerContext.RequestContext, RouteTable.Routes,
+					"Edit", "Default", "EditPast", "CreateLog",
+					new RouteValueDictionary(new { id = log.LogId }),
+					buttonAttributes);
+
+				return Json(new
+				{
+					Status = ImportStatus.Success.ToString(),
+					Action = successLink
+				}, JsonRequestBehavior.AllowGet);
+			}
+			catch (DbEntityValidationException ex)
+			{
+				// Retrieve the error messages as a list of strings.
+				var errorMessages = ex.EntityValidationErrors
+						.SelectMany(x => x.ValidationErrors)
+						.Select(x => x.ErrorMessage);
+
+				// Join the list to a single string.
+				var fullErrorMessage = string.Join(", ", errorMessages);
+
+				return Json(new
+				{
+					Status = ImportStatus.Failure.ToString(),
+					Message = fullErrorMessage,
+					Action = GetFixLink(viewModel)
+				},
+					JsonRequestBehavior.AllowGet);
+			}
+			catch (Exception ex)
+			{
+				var message = ex.Message;
+				return Json(new
+				{
+					Status = ImportStatus.Failure.ToString(),
+					Message = message,
+					Action = GetFixLink(viewModel)
+				}, JsonRequestBehavior.AllowGet);
+			}
+		}
+
+		private string GetFixLink(LogImportViewModel viewModel)
+		{
+			try
+			{
+				viewModel.GetLogViewModel();
+			}
+			catch
+			{
+				return string.Empty;
+			}
+
+			return RenderRazorViewToString("ImportFix", viewModel);
+		}
+
+		[HttpPost]
+		public ActionResult ImportFix(LogImportViewModel viewModel)
+		{
+			var createGetLogViewModel = viewModel.GetCreateLogViewModel();
+			createGetLogViewModel.Purpose = new SelectListViewModel
+				{
+					Available = GetPurposeTypesSelectList()
+				};
+			return View("Index", createGetLogViewModel);
+		}
+
+		public ActionResult ImportTemplate()
+		{
+			var template = LogImportTemplateWriter.Write();
+			return File(template, "application/ms-excel", "MileageTraker_ImportTemplate.xls");
+		}
+
+		#endregion
 	}
 }