public DatabaseMigrationDataProcessorResult MigrateCsvFilesToDatabaseTable(IEnumerable <CsvFile> csvFiles, string separator)
{
DatabaseMigrationDataProcessorResult databaseMigrationDataProcessorResult = new DatabaseMigrationDataProcessorResult();
if (csvFiles == null || !csvFiles.Any())
{
throw new ArgumentNullException("Csv files parameter is null or empty");
}
if (string.IsNullOrWhiteSpace(separator))
{
throw new ArgumentNullException("separator parameter is null or empty");
}
this.CleanTableBeforeInsert(databaseCsvSettings.DataTable);
var totalCsvFiles = csvFiles.Count();
var currentProcessingFile = default(int);
foreach (var csvFile in csvFiles)
{
currentProcessingFile++;
Console.WriteLine("Procesando en base de datos {0} de {1}", currentProcessingFile, totalCsvFiles);
var columns = new List <string>
{
"PointOfSale",
"Product",
"Date",
"Stock"
};
CsvPocDataReader csvPocDataReader = new CsvPocDataReader(csvFile.Path, Convert.ToChar(csvFile.Separator), columns.ToArray());
databaseMigrationDataProcessorResult = this.ProcessDatabaseInBatchesDatatable(csvPocDataReader);
}
return(databaseMigrationDataProcessorResult);
}
private DatabaseMigrationDataProcessorResult ProcessDatabaseInBatchesDatatable(CsvPocDataReader csvDataReader)
{
var databaseMigrationDataProcessorResult = new DatabaseMigrationDataProcessorResult();
try
{
using (var sqlConnection = new SqlConnection(databaseCsvSettings.ConnectionString))
{
sqlConnection.Open();
using (SqlTransaction transaction = sqlConnection.BeginTransaction())
{
try
{
using (var sqlBulk = new SqlBulkCopy(sqlConnection, SqlBulkCopyOptions.TableLock, transaction))
{
sqlBulk.DestinationTableName = databaseCsvSettings.DataTable;
sqlBulk.WriteToServer(csvDataReader);
sqlBulk.BatchSize = databaseCsvSettings.BulkBatchSize;
transaction.Commit();
}
}
catch (Exception ex)
{
databaseMigrationDataProcessorResult.CreateMessage(ex.ToString());
Console.WriteLine(ex.Message);
transaction.Rollback();
}
}
}
}
catch (Exception ex)
{
databaseMigrationDataProcessorResult.CreateMessage(ex.ToString());
throw;
}
return(databaseMigrationDataProcessorResult);
}