/// <summary> Показать форму ввода параметров </summary>
/// <returns> true - DialogResult == DialogResult.OK, иначе - false </returns>
public static bool GetLogin(ref string username, ref string password, ref string database, string dblabel, string sectionname, object[] dbList = null)
{
using (var lf = new LoginForm(dbList))
return(lf.Login(ref username, ref password, ref database, dblabel, sectionname));
}
/// <summary> Показать форму ввода параметров </summary>
/// <returns> true - DialogResult == DialogResult.OK, иначе - false </returns>
public static bool GetLogin(ref string username, ref string password, ref string database, string dblabel, ref string loginhistory)
{
using (var lf = new LoginForm())
return(lf.Login(ref username, ref password, ref database, dblabel, ref loginhistory));
}
/// <summary> Открытие соединения с учётом передаваемых параметров или уже существующих настроек </summary>
/// <param name="connectionString">строка соединения</param>
/// <param name="schema">схема БД</param>
/// <returns>true - удалось установить соединение, false - иначе</returns>
public bool OpenConnection(string connectionString = null, string schema = null)
{
lock (lockObj)
{
//
ConnectionString = connectionString.IfEmpty(ConnectionString);
Schema = schema.IfEmpty(Schema);
//
int requestPassCount = AppContext.Config.GetParameter(ConfigSection, "requestpasscount", 0);
var dbLabel = AppContext.Config[ConfigSection, "label"];
var server = Server;
var database = Database;
var login = User;
var password = Password;
int startRequestPassCount = requestPassCount;
do
{
try
{
CloseConnection();
if (AppContext.UserInteractive && (server.IsEmpty() || (login.IsEmpty() && !password.IsEmpty()) || (!login.IsEmpty() && password.IsEmpty()) || requestPassCount != startRequestPassCount))
{
if (OnGetConnectionInfo != null?!OnGetConnectionInfo(ref login, ref password, ref server, ref database, ConfigSection):!LoginForm.GetLogin(ref login, ref password, ref server, dbLabel, ConfigSection, GetDBList()))
{
return(false);
}
}
ConnectionString = GetConnectionString(server, database, login, password, schema);
OpenConnection();
return(true);
}
catch (DbException oe)
{
if (OnException == null || !OnException(oe))
{
_log.HandleException(oe);
}
CloseConnection();
server = Server;
login = User;
password = "";
if (!AppContext.UserInteractive || (--requestPassCount < 0))
{
return(false);
}
}
}while (true);
}
}