/// <summary>
/// Sets up a 'model' FutureState database to be copied from.
/// </summary>
public static void CreateModel(string deploymentDir, string dacPacFile = "FutureState.Db.dacpac")
{
_modelDbSetup = CreateUpgrade(ModelDbName, deploymentDir, dacPacFile);
// detatch database so that it can be copied
LocalDbSetup.TryDetachDatabase(ModelDbName, LocalDbSetup.ConnectionString);
}
/// <summary>
/// Creates a database copy of the FutureState database.
/// </summary>
public DbInfo CreateDb(string dataDir = null, string dbName = "TestFSDb")
{
var deploymentDir = dataDir ?? Environment.CurrentDirectory;
if (_modelDbSetup == null)
{
CreateModel(deploymentDir); // create automagically
}
var deploymentDirInfo = new DirectoryInfo(deploymentDir);
//remove read only attribute
deploymentDirInfo.Attributes &= ~FileAttributes.ReadOnly;
LocalDbSetup.TryDetachDatabase(dbName, LocalDbSetup.ConnectionString);
var fileName = $@"{deploymentDir}\{dbName}.mdf";
var logFileName = $@"{deploymentDir}\{dbName}_log.ldf";
// ReSharper disable once PossibleNullReferenceException
File.Copy(_modelDbSetup.DbInfo.DbFileName, fileName, true);
File.Copy(_modelDbSetup.DbInfo.LogFileName, logFileName, true);
File.SetAttributes(fileName, FileAttributes.Normal); // overwrite read-only attributes
File.SetAttributes(logFileName, FileAttributes.Normal); // overwrite read-only attribute
var dbConString =
$@"Data Source={LocalDbSetup.LocalDbServerName};AttachDBFileName={fileName};Initial Catalog={
dbName
};Integrated Security=True;";
// test connection
using (var con = new SqlConnection(dbConString))
{
con.Open();
// ensure read/write
var sql = $"ALTER DATABASE [{dbName}] SET READ_WRITE WITH NO_WAIT";
var com = new SqlCommand(sql, con);
com.ExecuteNonQuery();
}
return(new DbInfo(dbName, fileName, logFileName));
}
/// <summary>
/// Creates and/or updates a given database.
/// </summary>
public static LocalDbSetup CreateUpgrade(string dbName, string deploymentDir,
string dacPacFile = "FutureState.Db.dacpac")
{
var lastWriteTime = File.GetLastWriteTimeUtc(dacPacFile).ToFileTime();
deploymentDir = $@"{deploymentDir}\Db-{dbName}-{lastWriteTime}";
var dbSetup = new LocalDbSetup(deploymentDir, dbName);
if (!Directory.Exists(deploymentDir) || Directory.GetFiles(deploymentDir).Length == 0)
{
_logger.Info("{0}{1}", "Creating model database from: ", Path.GetFullPath(dacPacFile));
Directory.CreateDirectory(deploymentDir);
// ensure not read only
var dirInfo = new DirectoryInfo(deploymentDir)
{
Attributes = FileAttributes.Normal
};
// create database
dbSetup.CreateLocalDb();
// upgrade/setup model database
var dacPac = new DacPacService();
dacPac.Deploy(dbName, dacPacFile);
}
else
{
// attach existing database
dbSetup.CreateLocalDb();
_logger.Debug("Model database has already been created.");
// otherwise model database is the same, re-creating is expensive, assume database has already bee created
}
return(dbSetup);
}
