/// <summary>
/// Adds a record to the version table
/// </summary>
/// <param name="version">InstalledVersion to add</param>
public void AddInstalledVersion(SqlInstalledVersion version)
{
this.CheckVersion(version);
object param = null;
var command = this.BuildAddInstalledVersionCommand(version, out param);
using (var connection = this.OpenConnection())
{
using (var transaction = connection.BeginTransaction())
{
try
{
connection.Query(
sql: command,
param: param,
transaction: transaction);
transaction.Commit();
}
catch (Exception e)
{
transaction.Rollback();
throw new AddInstalledVersionException(
$"Failed to add installed version record", e);
}
}
}
}
/// <summary>
/// Creates the command used to insert the installed version.
/// </summary>
/// <param name="version">Version to add</param>
/// <param name="param">Used params</param>
/// <returns>Insert command</returns>
protected string BuildAddInstalledVersionCommand(SqlInstalledVersion version, out dynamic param)
{
var command = this.BuildCommand(
$@"INSERT INTO {VERSION_TABLE} (major, minor, revision, installDateUtc)
VALUES (@major, @minor, @revision, @installDateUtc);", true);
param = new
{
major = version.Major,
minor = version.Minor,
revision = version.Revision,
installDateUtc = version.InstallDateUtc
};
return(command);
}
/// <summary>
/// Checks if there is a newer version installed. Throws AddLowerVersionException if
/// equal or higher version was found.
/// </summary>
/// <param name="installedVersionToCheck"></param>
public void CheckVersion(SqlInstalledVersion installedVersionToCheck)
{
var currentInstalledVersion = this.GetInstalledVersion();
if (currentInstalledVersion != null)
{
var currentVersion = currentInstalledVersion.GetVersion();
var versionToCheck = installedVersionToCheck.GetVersion();
if (currentVersion != null && currentVersion.CompareTo(versionToCheck) >= 0)
{
throw new LowerOrEqualVersionException(
$"Attempt to add lower version. Current version is {currentVersion}");
}
}
}
/// <summary>
/// Executes the specified script on the database. If successfull, the installed version will be added
/// </summary>
/// <param name="script"></param>
public void ExecuteScript(SqlScript script)
{
var version = new SqlInstalledVersion(
script.Version.Major,
script.Version.Minor,
script.Version.Revision,
DateTime.UtcNow);
this.CheckVersion(version);
object addVersionParam = null;
var addVersionCommand = this.BuildAddInstalledVersionCommand(version, out addVersionParam);
try
{
var command = this.BuildCommand(script.Command, useSpecifiedDatabase: script.UseSpecifiedDatabase);
using (var connection = this.OpenConnection())
{
using (var transaction = connection.BeginTransaction())
{
try
{
connection.Query(sql: command, param: null, transaction: transaction);
connection.Query(sql: addVersionCommand, param: addVersionParam, transaction: transaction);
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
}
}
}
catch (Exception e)
{
throw new ExecuteScriptException(
$"Failed to execute script {script.Name}.", e);
}
}
