BeWoPlaner/ReportImp/IBPReports/Export/CustomCsvExporter.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Text;
using BeWo.Data.Access;
using BeWo.Service.ServiceImplementations;
using BS.Shared.DataContracts;

namespace IBPReports.Export
{
    public class CustomCsvExporter
    {

        public static QueryDC CreateQuery(QueryDC query)
        {
            DateTime dt = DateTime.Now;
            DateTime.TryParse(query.Parameter[0].Value.ToString(), out dt);
            
            query.FileName = String.Format("Fibuexport {0:yyyy-MM}.csv", dt);
            
            
            var service = new QueryServiceImp();
            var data = service.ExecuteQuery(query.Oid, query.Parameter);

            var dataTable = BS.Shared.Core.Utils.XMLDeserializeFromString<DataTable>(data);
            query.QueryResult = CreateCsvFromDataTable(dataTable, dt);
            return query;
        }

        private static String CreateCsvFromDataTable(DataTable table, DateTime dt)
        {
            StringBuilder sb = new StringBuilder();
            int count = 0;

            foreach (DataColumn column in table.Columns)
            {
                if (sb.Length > 0)
                {
                    sb.Append(";");
                }
                sb.Append(column.ColumnName);
            }
            foreach (DataRow row in table.Rows)
            {
                sb.AppendLine();
                count += 1;
                string rowNr = count.ToString();
                if (count < 10)
                {
                    rowNr = String.Format("00{0}", count);
                }
                else if (count < 100)
                {
                    rowNr = String.Format("0{0}", count);
                }


                for (int i = 0; i < row.ItemArray.Length; i++)
                {
                    if (i > 0)
                    {
                        sb.Append(";");
                    }
                    var item = row[i];
                    var itemStr = "";
                    if (i == 0)
                    {
                        itemStr = String.Format("{0:dd.MM.yyyy}", item);
                    }
                    else if (i == 11)
                    {
                        itemStr = String.Format("90{0:yy}{0:MM}{1}", dt, rowNr);
                    }
                    else
                    {
                        itemStr = String.Format("{0}", item);
                    }

                    sb.Append(itemStr);
                }
            }
            return sb.ToString();
        }
    }
}