private static Either <T> CompileDsl <T>(string args, Func <ChunkedMemoryStream, T> extract)
{
var process =
new System.Diagnostics.Process
{
StartInfo = new ProcessStartInfo(DslCompiler, args)
{
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden,
RedirectStandardOutput = true,
UseShellExecute = false,
WorkingDirectory = LibraryInfo.BasePath
}
};
process.Start();
var cms = new ChunkedMemoryStream();
process.StandardOutput.BaseStream.CopyTo(cms);
process.WaitForExit();
cms.Position = 0;
if (process.ExitCode == 0)
{
return(Either.Success(extract(cms)));
}
else
{
return(Either <T> .Fail(new StreamReader(cms).ReadToEnd()));
}
}
private static Stream Serialize <T>(T value)
{
var ser = new DataContractSerializer(typeof(T));
var ms = new ChunkedMemoryStream();
ser.WriteObject(ms, value);
ms.Position = 0;
return(ms);
}
private static string ProcessMigrationStream(
bool force,
ChunkedMemoryStream stream,
DatabaseInfo dbInfo,
Action <ChunkedMemoryStream, bool, DatabaseInfo> applyMigration)
{
var customPath = dbInfo.SqlScriptsPathExists;
var sqlPath = customPath
? Path.Combine(LibraryInfo.BasePath, dbInfo.SqlScriptsPath)
: Compiler.TempPath;
var name = dbInfo.Name + "-Migration-" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".sql";
if (dbInfo.ApplyMigration && applyMigration != null)
{
try
{
applyMigration(stream, force, dbInfo);
if (customPath)
{
SaveStreamToFile(sqlPath, "Applied-" + name, stream);
}
}
catch
{
if (customPath)
{
SaveStreamToFile(sqlPath, "Failed-" + name, stream);
}
throw;
}
}
else
{
SaveStreamToFile(sqlPath, name, stream);
System.Diagnostics.Process.Start(sqlPath);
}
return(Compiler.TempPath);
}