public InstallationNameAndVersion Get(string name, SqlConnection connection, SqlTransaction transaction)
{
var result = default(InstallationNameAndVersion);
using (var command = new SqlCommand(string.Format("SELECT * FROM {0} WHERE InstallationName = @InstallationName", _installerOptions.InstalledVersionsDatabaseTableName), connection, transaction))
{
command.Parameters.Add(new SqlParameter("@InstallationName", name));
using (var reader = command.ExecuteReader())
{
if (reader.HasRows)
{
while (reader.Read())
{
result = new InstallationNameAndVersion
{
Id = (int)reader["Id"],
InstallationName = (string)reader["InstallationName"],
InstalledVersion = (int)reader["InstalledVersion"],
PreviousVersion = (int)reader["PreviousVersion"],
StartedInstallingVersion = (int)reader["StartedInstallingVersion"]
};
}
}
}
}
return result;
}
internal void InstallBaseVersion(InstallerBaseVersion installerBaseVersion, SqlConnection connection, SqlTransaction transaction)
{
var installedNameAndVersion = new InstallationNameAndVersion
{
InstallationName = installerBaseVersion.InstallationName,
InstalledVersion = installerBaseVersion.Version,
PreviousVersion = 0,
StartedInstallingVersion = installerBaseVersion.Version
};
_versionStorage.Create(installedNameAndVersion, connection, transaction);
}
public int EndInstallation(InstallationNameAndVersion installedVersion, SqlConnection connection, SqlTransaction transaction)
{
var updateSql = string.Format("UPDATE {0} SET InstalledVersion = @InstalledVersion + 1 WHERE Id = @id AND PreviousVersion = @PreviousVersion AND StartedInstallingVersion = @StartedInstallingVersion AND InstalledVersion = @InstalledVersion", _installerOptions.InstalledVersionsDatabaseTableName);
using (var command = new SqlCommand(updateSql, connection, transaction))
{
command.Parameters.Add(new SqlParameter("@Id", installedVersion.Id));
command.Parameters.Add(new SqlParameter("@PreviousVersion", installedVersion.PreviousVersion));
command.Parameters.Add(new SqlParameter("@StartedInstallingVersion", installedVersion.StartedInstallingVersion));
command.Parameters.Add(new SqlParameter("@InstalledVersion", installedVersion.InstalledVersion));
return command.ExecuteNonQuery();
}
}
public void Create(InstallationNameAndVersion installedNameAndVersion, SqlConnection connection, SqlTransaction transaction)
{
string insertSql = string.Format(@"INSERT INTO {0} (InstallationName, PreviousVersion, StartedInstallingVersion, InstalledVersion) VALUES (@InstallationName, @PreviousVersion, @StartedInstallingVersion, @InstalledVersion); SELECT CAST(SCOPE_IDENTITY() as int)", _installerOptions.InstalledVersionsDatabaseTableName);
using (var command = new SqlCommand(insertSql, connection, transaction))
{
command.Parameters.Add(new SqlParameter("@InstallationName", installedNameAndVersion.InstallationName));
command.Parameters.Add(new SqlParameter("@InstalledVersion", installedNameAndVersion.InstalledVersion));
command.Parameters.Add(new SqlParameter("@PreviousVersion", installedNameAndVersion.PreviousVersion));
command.Parameters.Add(new SqlParameter("@StartedInstallingVersion", installedNameAndVersion.StartedInstallingVersion));
installedNameAndVersion.Id = (int)command.ExecuteScalar();
}
}
internal virtual InstallationNameAndVersion GetInstalledVersion(string name, SqlConnection connection, SqlTransaction transaction)
{
if (!_versionStorage.IsInstalled(connection, transaction))
{
throw new InvalidOperationException("Installer is not installed");
}
InstallationNameAndVersion installedNameAndVersion = _versionStorage.Get(name, connection, transaction);
if (installedNameAndVersion == default(InstallationNameAndVersion))
{
installedNameAndVersion = new InstallationNameAndVersion
{
InstallationName = name,
InstalledVersion = 0,
PreviousVersion = 0,
StartedInstallingVersion = 0
};
_versionStorage.Create(installedNameAndVersion, connection, transaction);
}
return installedNameAndVersion;
}