Vehicle cost report

Web/DAL/DataService.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data.Entity;
+using System.Data.Entity.SqlServer;
 using System.Linq;
 using System.Text.RegularExpressions;
 using MileageTraker.Web.Context;
@@ -865,6 +866,67 @@ namespace MileageTraker.Web.DAL
 
 		#endregion
 
+		#region Vehicle Cost Report
+
+		private const int FiscalYearStartMonth = 7;
+		
+		public IQueryable<VehicleCostItem> GetFuelLogCost(int fiscalYear)
+		{
+			var fiscalYearStart = new DateTime(fiscalYear - 1, FiscalYearStartMonth, 1);
+			var fiscalYearEnd = new DateTime(fiscalYear, FiscalYearStartMonth, 1);
+
+			return
+				from fuelLog in _db.FuelLogs
+				where fuelLog.Date >= fiscalYearStart && fuelLog.Date < fiscalYearEnd
+				group fuelLog by fuelLog.TagNumber
+				into tagGroup
+				let totalFuelPrice = tagGroup.Sum(i => i.TotalPrice)
+					select new VehicleCostItem { CostType = "Fuel", TotalPrice = totalFuelPrice, TagNumber = tagGroup.Key};
+		}
+
+		public IQueryable<VehicleCostItem> GetVehicleServiceCost(int fiscalYear)
+		{
+			var fiscalYearStart = new DateTime(fiscalYear - 1, FiscalYearStartMonth, 1);
+			var fiscalYearEnd = new DateTime(fiscalYear, FiscalYearStartMonth, 1);
+
+			return
+				from vehicleService in _db.VehicleServices
+				where vehicleService.InvoiceDate >= fiscalYearStart && vehicleService.InvoiceDate < fiscalYearEnd
+				group vehicleService by vehicleService.Vehicle.TagNumber
+				into tagGroup
+				let totalServicePrice = tagGroup.Sum(i => i.Price)
+				select new VehicleCostItem { CostType = "Service", TotalPrice = totalServicePrice, TagNumber = tagGroup.Key };
+		}
+
+		public IList<VehicleCostItem> GetVehicleCostItems(int fiscalYear)
+		{
+			var costItems = GetFuelLogCost(fiscalYear).Union(GetVehicleServiceCost(fiscalYear)).ToList();
+			foreach (var costItem in costItems)
+			{
+				costItem.VehicleId = GetVehicleIdByTag(costItem.TagNumber);
+			}
+			return costItems;
+		}
+
+		public IList<int> GetValidVehicleCostItemsYears()
+		{
+			var fuelYears =
+				(from fuelLog in _db.FuelLogs
+				 let fiscalYear = SqlFunctions.DateAdd("month", FiscalYearStartMonth - 1, fuelLog.Date).Value.Year
+				 select fiscalYear).Distinct();
+
+			var serviceYears =
+				(from vehicleService in _db.VehicleServices
+				 let fiscalYear = SqlFunctions.DateAdd("month", FiscalYearStartMonth - 1, vehicleService.InvoiceDate).Value.Year
+				 select fiscalYear).Distinct();
+
+			var years = fuelYears.Union(serviceYears).Distinct().OrderByDescending(y => y);
+
+			return years.ToList();
+		}
+
+		#endregion
+
 		#region Service Reminder
 		public void AddServiceReminder(ServiceReminder serviceReminder)
 		{
@@ -920,5 +982,6 @@ namespace MileageTraker.Web.DAL
 		}
 
 		#endregion
+
 	}
 }