/// <summary>
/// Returns the migration script path from the
/// config file (if available) or the default path.
/// </summary>
public string GetPath(ILogger log, IScriptsDirectoryPathArgs args)
{
if (args == null)
{
throw new ArgumentNullException("args");
}
string path;
if (!string.IsNullOrEmpty(args.ScriptsDirectoryPath))
{
path = args.ScriptsDirectoryPath;
}
else
{
path = _configurationManager.AppSettings[AppSettingKeys.MigrateFolder];
}
if (string.IsNullOrEmpty(path))
{
if (log != null)
{
log.WriteWarning(
"The " + AppSettingKeys.MigrateFolder + " setting was not present in the configuration file so the default " +
DefaultMigrationScriptPath + " folder will be used instead.");
}
path = DefaultMigrationScriptPath;
}
VerifyAndCreatePath(path);
return(path);
}
public long GetNewVersionNumber(IMigrationDirectory migrationDirectory, IScriptsDirectoryPathArgs args)
{
long lastNumber = 0;
// get the latest number in use
IEnumerable <IMigrationScriptFile> scripts = migrationDirectory.GetScripts(args);
if (scripts.Count() > 0)
{
lastNumber = scripts.Max(script => script.Version);
}
// increment and return
return(lastNumber + 1);
}
public long GetNewVersionNumber(IMigrationDirectory migrationDirectory, IScriptsDirectoryPathArgs args)
{
var v = long.Parse(DateTime.UtcNow.ToString("yyyyMMddHHmmss"));
return(v);
}
/// <summary>
/// Returns a list of all the migration script file paths
/// sorted by version number (ascending).
/// </summary>
public IEnumerable <IMigrationScriptFile> GetScripts(IScriptsDirectoryPathArgs args)
{
string[] files = Directory.GetFiles(GetPath(null, args), ScriptFileNamePattern);
return(files.Select(x => (IMigrationScriptFile) new MigrationScriptFile(x)).OrderBy(x => x.Version));
}
