Update constants for service reminder mileage deltas

Web/Controllers/ServiceReminderController.cs

@@ -1,7 +1,7 @@
-using System;
-using System.Linq;
+using System.Linq;
 using System.Web.Mvc;
 using MileageTraker.Web.Attributes;
+using MileageTraker.Web.DAL;
 using MileageTraker.Web.ViewModels.ServiceReminder;
 
 namespace MileageTraker.Web.Controllers
@@ -42,7 +42,7 @@ namespace MileageTraker.Web.Controllers
 			};
 
 			if (vehicle.CurrentOdometer.HasValue)
-				viewModel.TargetOdometer = vehicle.CurrentOdometer.Value + 4000;
+				viewModel.TargetOdometer = vehicle.CurrentOdometer.Value + DataService.ServiceReminderDefaultMileageDelta;
 
 			return View(viewModel);
 		}

Web/Controllers/VehicleServiceController.cs

@@ -109,7 +109,7 @@ namespace MileageTraker.Web.Controllers
 			RefreshServiceReminderViewModel(viewModel, vehicle, true);
 
 			if (vehicle.CurrentOdometer.HasValue)
-				viewModel.TargetOdometer = vehicle.CurrentOdometer.Value + 4000;
+				viewModel.TargetOdometer = vehicle.CurrentOdometer.Value + DataService.ServiceReminderDefaultMileageDelta;
 
 			return View(viewModel);
 		}

Web/DAL/DataService.cs

@@ -978,7 +978,7 @@ namespace MileageTraker.Web.DAL
 
 		public IQueryable<ServiceReminder> GetUpcomingServiceReminders()
 		{
-			const int mileageThreshold = 500;
+			const int mileageThreshold = ServiceReminderUpcomingMileageThreshold;
 				return
 				from sr in _db.ServiceReminders
 				where
@@ -987,6 +987,9 @@ namespace MileageTraker.Web.DAL
 				select sr;
 		}
 
+		public const int ServiceReminderDefaultMileageDelta = 5000;
+		public const int ServiceReminderUpcomingMileageThreshold = 300;
+
 		#endregion
 
 	}