private void ConfigureMap(CsvImportMap csvImportMap, SettingsMapCollection mapping)
{
csvImportMap.AutoMap();
csvImportMap.Map(item => item.RowId).Ignore().ConvertUsing(row => row.Context.RawRow - 2);
foreach (var memberMap in csvImportMap.MemberMaps)
{
var mappingItem = mapping.FirstOrDefault(item => item.Name == memberMap.Data.Member.Name);
if (mappingItem == null)
{
continue;
}
memberMap.Data.Names.Clear();
if (String.IsNullOrWhiteSpace(mappingItem.ImportFieldName))
{
memberMap.Data.Ignore = true;
}
else
{
if (((PropertyInfo)memberMap.Data.Member).PropertyType == typeof(decimal) ||
((PropertyInfo)memberMap.Data.Member).PropertyType == typeof(decimal?))
{
memberMap.Data.TypeConverterOptions.CultureInfo = CultureInfo.GetCultureInfo("en-US");
}
memberMap.Data.Names.Add(mappingItem.ImportFieldName);
}
}
}
public override IEnumerable <T> LoadDataItems(SettingsMapCollection mapping, string filename)
{
Logger.Info($"Opening file {filename} for import.");
Errors.Clear();
int errorCount = 0;
using (var reader = new StreamReader(filename, Encoding.GetEncoding(1251)))
using (var csv = new CsvReader(reader))
{
var csvImportMap = new CsvImportMap();
ConfigureMap(csvImportMap, mapping);
csv.Configuration.HasHeaderRecord = true;
csv.Configuration.Delimiter = ";";
csv.Configuration.CultureInfo = CultureInfo.GetCultureInfo("ru-RU");
csv.Configuration.RegisterClassMap(csvImportMap);
csv.Configuration.ReadingExceptionOccurred = ex =>
{
errorCount++;
if (errorCount > ErrorCountLimit)
{
return;
}
Logger.Error($"Error occured during import file {filename}.", ex);
Errors.Add(new TError
{
RowId = ex.ReadingContext.RawRow,
Message = $"Ошибка импорта строки. {ex.InnerException?.Message}"
});
};
return(csv.GetRecords <T>().ToArray());
}
}