public SalesByCategoryModel Report(RequestModel Request)
{
SalesByCategoryModel result = new SalesByCategoryModel()
{
StartDate = Request.StartDate,
EndDate = Request.EndDate,
};
//Get list of invoices in Time Period
var Invoices = UnitOfWork.Invoices.Get().Where(x => x.Date >= Request.StartDate && x.Date <= Request.EndDate).ToList();
//Returns list of Items for Invoices
var Items = Invoices.SelectMany(x => x.Items).ToList();
result.GrandTotal = Invoices.Sum(x => x.SubTotal);
var query = Items.GroupBy(x => x.Product.Category)
.Select(x =>
new
{
CategoryName = x.Key.Name,
CategoryTotal = x.Sum(y => y.SubTotal)
}).ToList();
foreach (var item in query)
{
CategorySalesModel calculatedCategory = new CategorySalesModel
{
CategoryName = item.CategoryName,
CategoryTotal = item.CategoryTotal,
CategoryPercent = 100 * item.CategoryTotal / result.GrandTotal
};
result.Sales.Add(calculatedCategory);
}
return(result);
}
public SalesByCategoryModel Report(DateTime start, DateTime end)
{
SalesByCategoryModel result = new SalesByCategoryModel(start, end);
var Invoices = _unitOfWork.Invoices.Get().Where(x => (x.Date >= start && x.Date <= end)).ToList();
var Items = Invoices.SelectMany(x => x.Items).ToList();
result.GrandTotal = Invoices.Sum(x => x.SubTotal);
var query = Items.GroupBy(x => x.Product.Category)
.Select(x => new { CategoryId = x.Key, CategoryTotal = x.Sum(y => y.SubTotal) })
.ToList();
foreach (var item in query)
{
CategorySalesModel category = new CategorySalesModel()
{
Id = item.CategoryId.Id,
Name = item.CategoryId.Name,
Total = item.CategoryTotal,
Percent = Math.Round(item.CategoryTotal / result.GrandTotal * 100, 2),
};
result.Sales.Add(category);
}
return(result);
}
public void GetCountOfCategory()
{
RequestModel model = new RequestModel()
{
StartDate = new DateTime(2015, 1, 1),
EndDate = new DateTime(2018, 1, 1)
};
SalesByCategoryModel categoryModel = set.SalesByCategory.Report(model);
Assert.IsNotNull(categoryModel.Sales.Count);
}
public void GetGrandTotal()
{
RequestModel model = new RequestModel()
{
StartDate = new DateTime(2015, 1, 1),
EndDate = new DateTime(2018, 1, 1)
};
SalesByCategoryModel categoryModel = set.SalesByCategory.Report(model);
double total = 2099;
Assert.AreEqual(categoryModel.GrandTotal, total);
}