CourseWorkElectronicsShop/ElectronicsShop/ElectronicsShopBusinessLogic/OfficePackage/AbstractSaveToExcelClient.cs

using DocumentFormat.OpenXml.Packaging;
using ElectronicsShopBusinessLogic.OfficePackage.HelperEnums;
using ElectronicsShopBusinessLogic.OfficePackage.HelperModels;


namespace ElectronicsShopBusinessLogic.OfficePackage
{
    public abstract class AbstractSaveToExcelClient
    {
        public byte[]? CreateReport(ExcelInfoClient info) {
            CreateExcel(info);

            InsertCellInWorksheet(new ExcelCellParameters {
                ColumnName = "A",
                RowIndex = 1,
                Text = info.Title,
                StyleInfo = ExcelStyleInfoType.Title
            });

            MergeCells(new ExcelMergeParameters {
                CellFromName = "A1",
                CellToName = "C1"
            });

            uint rowIndex = 2;
            foreach (var pp in info.PaymeantProducts) {
                InsertCellInWorksheet(new ExcelCellParameters {
                    ColumnName = "A",
                    RowIndex = rowIndex,
                    Text = pp.PaymeantID.ToString(),
                    StyleInfo = ExcelStyleInfoType.Text
                });
                rowIndex++;
                foreach (var (Product, Count) in pp.Products) {
                    InsertCellInWorksheet(new ExcelCellParameters {
                        ColumnName = "B",
                        RowIndex = rowIndex,
                        Text = Product,
                        StyleInfo = ExcelStyleInfoType.TextWithBroder
                    });

                    InsertCellInWorksheet(new ExcelCellParameters {
                        ColumnName = "C",
                        RowIndex = rowIndex,
                        Text = Count.ToString(),
                        StyleInfo = ExcelStyleInfoType.TextWithBroder
                    });
                    rowIndex++;
                }
                InsertCellInWorksheet(new ExcelCellParameters {
                    ColumnName = "A",
                    RowIndex = rowIndex,
                    Text = "Итого",
                    StyleInfo = ExcelStyleInfoType.Title
                });

                InsertCellInWorksheet(new ExcelCellParameters {
                    ColumnName = "C",
                    RowIndex = rowIndex,
                    Text = pp.TotalCount.ToString(),
                    StyleInfo = ExcelStyleInfoType.Title
                });
                rowIndex++;
            }
			var documnet = SaveExcel(info);
            return documnet;
		}

        // Создание excel-файла
        protected abstract void CreateExcel(ExcelInfoClient info);

        // Добавляем новую ячейку в лист
        protected abstract void InsertCellInWorksheet(ExcelCellParameters excelParams);

        // Объединение ячеек
        protected abstract void MergeCells(ExcelMergeParameters excelParams);

        // Сохранение файла
        protected abstract byte[]? SaveExcel(ExcelInfoClient info);
    }
}