private async Task CopyTablesToDestinationAsync(CopyToArguments args)
{
try {
int counter = 1;
foreach (TableModel table in Tables)
{
if (!string.IsNullOrEmpty(Error))
{
break;
}
Message = $"Copying Table {counter} of {Tables.Count} ({table.Name})";
try {
await table.CopyToAsync(args, (rows) => {
Message = $"Copying Table {counter} of {Tables.Count} ({table.Name}) - ({rows} Rows Copied) ";
}).ConfigureAwait(false);
counter++;
} catch (Exception ex) {
Error = $"Faled to copy table [{table.Name}] - {ex.Message}";
}
}
CommitTransactionIfNoErrors(args);
} catch (Exception ex) {
Error = ex.Message;
}
}
private async Task CreateTableAsync(CopyToArguments args, Action <long> callback)
{
string sql = await ScriptTableAsync(args.SourceModel, args.DatabaseName);
CurrentReportCallback = callback;
await ExecuteSQL(sql, args.Connection, args.Transaction);
}
private async Task CopyDatabaseObjectToAsync(ScriptedModel Model, CopyToArguments args)
{
try {
await Model.CopyToAsync(args).ConfigureAwait(false);
} catch (Exception ex) {
Error = $"Faled to copy {Model} - {ex.Message}";
}
}
private async Task CopyDatabaseObjectsAsync(CopyToArguments args)
{
await CopyTablesToDestinationAsync(args).ConfigureAwait(false);
await CopyRoutinesToDestinationAsync(args).ConfigureAwait(false);
await CopyViewsToDestinationAsync(args).ConfigureAwait(false);
}
private void CommitTransactionIfNoErrors(CopyToArguments args)
{
if (string.IsNullOrEmpty(Error))
{
args.Transaction.Commit();
args.Transaction = args.Connection.BeginTransaction();
}
}
internal override async Task CopyToAsync(CopyToArguments args, Action <long> callback = null)
{
await CreateTableAsync(args, callback);
if (args.CopyData)
{
await Task.Factory.StartNew(() => {
using (SqlConnection sourceConnection = new SqlConnection(args.SourceModel.BuildConnection(args.DatabaseName))) {
sourceConnection.Open();
using (SqlCommand cmd = new SqlCommand($"SELECT * FROM [{Schema}].[{Name}]", sourceConnection)) {
using (SqlDataReader reader = cmd.ExecuteReader()) {
CopyTableData(args.Connection, args.Transaction, reader);
}
}
}
}).ConfigureAwait(false);
}
}
private async Task CopyRoutinesToDestinationAsync(CopyToArguments args)
{
try {
foreach (RoutineModel routine in Routines)
{
if (!string.IsNullOrEmpty(Error))
{
break;
}
Message = $"Copying ({routine.Type}) {routine.Name}";
await CopyDatabaseObjectToAsync(routine, args);
}
CommitTransactionIfNoErrors(args);
} catch (Exception ex) {
Error = ex.Message;
}
}
private async Task CopyViewsToDestinationAsync(CopyToArguments args)
{
try {
foreach (ScriptedModel view in Views)
{
if (!string.IsNullOrEmpty(Error))
{
break;
}
Message = $"Copying View {view.Name}";
await CopyDatabaseObjectToAsync(view, args);
}
CommitTransactionIfNoErrors(args);
} catch (Exception ex) {
Error = ex.Message;
}
}
internal async Task CopyToAsync(ConnectionModel destinationConnection, IEnumerable <DataBaseModel> destinationDatabases, bool copyTables, bool copyData, CancellationToken token)
{
StartOperation();
try {
await RecreateDatabase(destinationConnection, destinationDatabases, token);
using (SqlConnection connection = new SqlConnection(destinationConnection.BuildConnection(name))) {
await connection.OpenAsync().ConfigureAwait(false);
CopyToArguments copyArguments = CreateArguments(destinationConnection, copyData, connection, token);
await CopyTables(copyArguments, copyTables);
}
} catch (Exception ex) {
Error = ex.Message;
throw;
} finally {
IsBusy = false;
Message = string.Empty;
}
}
private async Task CopyTables(CopyToArguments copyArguments, bool copyTables)
{
if (!copyTables)
{
return;
}
await CopyDatabaseObjectsAsync(copyArguments);
if (string.IsNullOrEmpty(Error))
{
copyArguments.Transaction.Commit();
}
else
{
copyArguments.Transaction.Rollback();
}
if (!string.IsNullOrEmpty(Error))
{
throw new Exception(Error);
}
}
internal virtual async Task CopyToAsync(CopyToArguments args, Action <long> callback = null)
{
await ExecuteSQL(Script, args.Connection, args.Transaction);
}
