/// <summary>
/// List databases the user with given number is currently logged into.
/// </summary>
/// <param name="userNr">The user number (identifier) for the user in question</param>
/// <returns>A JSON array string of the database names</returns>
private String ListDatabaseLoggedInto(int userNr)
{
String result = "[";
IEnumerator logins = root.Logins.GetEnumerator();
while (logins.MoveNext())
{
dboLogin login = logins.Current as dboLogin;
// Logged in, but no database open
if (root.InstalledDbs[login.DbNr] == null)
{
continue;
}
// Find/Add name of database opened
else if (login.UserNr == userNr)
{
result += "\"" + root.InstalledDbs[login.DbNr].ID + "\",";
}
}
// Remove last comma and add missing bracket before return
if (result.Length > 1)
{
result = result.Substring(0, result.Length - 1);
}
return(result + "]");
}
/// <summary>
/// Checks whether a given user in currently logged in
/// </summary>
/// <param name="root">Database access object</param>
/// <param name="userNr">The user number (identifier) for the user in question</param>
/// <returns>A specific string constant to indicate that the user is offline or
/// the exact time point at which the user did log in.</returns>
private String IsUserLoggedIn(int userNr)
{
IEnumerator logins = root.Logins.GetEnumerator();
while (logins.MoveNext())
{
dboLogin login = logins.Current as dboLogin;
if (login.UserNr == userNr)
{
return(login.LoginTime.ToString());
}
}
return(OFFLINE);
}
