private void WriteTotalAmount(ProductSalesSummary summary)
{
writer.WriteLine("");
writer.WriteLine($"総合計");
writer.WriteLine("-----");
writer.WriteLine("");
writer.WriteLine($"{summary.TotalAmount:#,##0.#} 円");
}
private void WriteCategoryAmount(ProductSalesSummary summary)
{
writer.WriteLine("");
writer.WriteLine("---");
writer.WriteLine("");
writer.WriteLine($"商品カテゴリー計: {summary.CategoryAmount:#,##0.#} 円");
writer.WriteLine("");
writer.WriteLine("---");
}
static XtraReport CreateProductSalesSummaryReport(long productID)
{
var report = new ProductSalesSummary();
var product = DataProvider.Products.FirstOrDefault(p => p.Id == productID);
if (product != null)
{
report.DataSource = product.OrderItems;
}
return(report);
}
public void Run()
{
var orderedProductSales = SortProductSales(productSales);
var summary = new ProductSalesSummary();
var newProductCategory = "";
var oldProductCategory = "";
WriteTitle();
foreach (var item in orderedProductSales)
{
newProductCategory = item.ProductCategory;
if (newProductCategory != oldProductCategory)
{
// 商品カテゴリーが変わった
if (!string.IsNullOrEmpty(oldProductCategory))
{
// 1件目でなければカテゴリー別金額合計を出力
WriteCategoryAmount(summary);
}
// 集計値を初期化
summary.CategoryAmount = 0;
// キーを更新
oldProductCategory = newProductCategory;
WriteCategoryTitle(oldProductCategory);
}
WriteItem(item);
summary.CategoryAmount += item.Amount;
summary.TotalAmount += item.Amount;
}
// ループ終了後も最後の商品カテゴリーの集計値を出力
WriteCategoryAmount(summary);
WriteTotalAmount(summary);
}
