WinFormDiApp/WinFormDi.BLR/ReadingIn.cs

using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using WinFormDiApp.BL.Helpers;
using WinFormDiApp.BLI;
using OfficeOpenXml;
using System.Runtime.InteropServices;
using WinFormDiApp.BL.Models;
//using Excel = Microsoft.Office.Interop.Excel;


namespace WinFormDiApp.BLR;

public class ReadingIn : IReadingIn
{
    private readonly IConfiguration _configuration;
    private readonly ILogger<ReadingIn> _logger;
    private readonly IAccountRecordRepository _accountRecordRepository;

    public ReadingIn(
        IConfiguration configuration,
        ILogger<ReadingIn> logger,
        IAccountRecordRepository accountRecordRepository)
    {
        _configuration = configuration;
        _logger = logger;
        _accountRecordRepository = accountRecordRepository;
    }

    //    @"C:\dev\MyYearlyCountings\TransactionsTest.xls"

    public IEnumerable<AccountRecord> readXLS(string FilePath)
    {
        List<AccountRecord> records = new List<AccountRecord>();
        AccountRecord? record = null;
        FileInfo existingFile = new FileInfo(FilePath);
        using (ExcelPackage package = new ExcelPackage(existingFile))
        {
            //get the first worksheet in the workbook
            ExcelWorksheet worksheet = package.Workbook.Worksheets[0];
            int colCount = worksheet.Dimension.End.Column;  //get Column Count
            int rowCount = worksheet.Dimension.End.Row;     //get row count
            bool prt = false;
            for (int row = 1; row <= rowCount; row++)
            {
                if (prt)
                {
                    //Console.WriteLine();
                    _logger.LogInformation("");
                    records.Add(record);
                }
                prt = false;
                for (int col = 1; col <= colCount; col++)
                {
                    if (worksheet.Cells[row, col].Value == null)
                    {
                        // Console.WriteLine(" Row:" + row + " column:" + col + " Value:" + "null");
                    }
                    else
                    {
                        if (col == 1 && worksheet.Cells[row, col].Value.ToString().IsDate())
                        {
                            prt = true;
                            record = new AccountRecord();
                        }
                        //Console.WriteLine(" Row:" + row + " column:" + col + " Value:" + worksheet.Cells[row, col].Value.ToString().Trim());
                        if (prt)
                        {
                            _logger.LogInformation($"{worksheet.Cells[row, col].Value.ToString().Trim()}/t");
                            switch (col)
                            {
                                case 1:
                                    {
                                        record.BetalDatum = DateTime.Parse( worksheet.Cells[row, col].Value.ToString().Trim());
                                        break;
                                    }
                                case 3:
                                    {
                                        record.Mottagare = worksheet.Cells[row, col].Value.ToString().Trim();
                                        break;
                                    }
                                case 5:
                                    {
                                        record.Konto = worksheet.Cells[row, col].Value.ToString().Trim();
                                        break;
                                    }
                                case 7:
                                    {
                                        record.Belopp = double.Parse(worksheet.Cells[row, col].Value.ToString().Trim());
                                        break;
                                    }
                                case 9:
                                    {
                                        record.Avisering = worksheet.Cells[row, col].Value.ToString().Trim();
                                        break;
                                    }

                            }
                        }
                    }
                }
            }
        }
        return records;
    }
    public bool ReadAndSaveInvoices(string fullFileName)
    {
        var result = true;
        var restab = readXLS(fullFileName);
        if (restab != null)
        {
            try
            {

                restab.ToList().ForEach(x =>
                {
                    _accountRecordRepository.AddAccountRecord(x);
                });

                //                restab.ToList().ForEach(x => { _accountRecordRepository.AddAccountRecord(x); });
            }
            catch (Exception ex)
            {
                _logger.LogError($"MassUppdatering misslyckat: {ex.Message}");
                result = false;
            }
        }

        return result;
    }

}