import openpyxl as xl
 
class SaveDataXLSX():
    def __init__(self,file_path:str,sheet_name:str,data):
        wb = xl.load_workbook(filename=file_path)
        sheet = wb[sheet_name] 
        max_row = sheet.max_row+2
        for new_row,file in enumerate(data):
            sheet.cell(row=max_row+new_row,column=2,value=file.directory)
            sheet.cell(row=max_row+new_row,column=3,value=file.cad_number)
            sheet.cell(row=max_row+new_row,column=4,value=file.additional_info)
            sheet.cell(row=max_row+new_row,column=5,value=file.square)

        wb.save(file_path)
    def find_first_empty_row(file_path, sheet_name=None):
        wb = xl.load_workbook(filename=file_path, read_only=True)
        sheet = wb[sheet_name] if sheet_name else wb.active

        # Перебираем строки до первой пустой
        for row in sheet.iter_rows():
            if all(cell.value is None for cell in row):
                return row[0].row  # Возвращаем номер строки (1-based)

        # Если все строки заполнены, возвращаем следующую после последней
        return sheet.max_row + 1