/// <summary>
/// Gets a list of users in the specified role for the configured application name.
/// </summary>
/// <param name="roleName">The name of the role to which the users belong.</param>
/// <returns>An array of users belonging to the specified role.</returns>
public override string[] GetUsersInRole(string roleName)
{
// Create an array of user names belonging to the specified role.
List <string> users = new List <string>();
DataSetRoles.RoleRow roleRow = this.dataSetRoles.Role.FindByApplicationRole(this.applicationName, roleName);
foreach (DataSetRoles.UserRow userRow in roleRow.GetUserRows())
{
users.Add(userRow.User);
}
return(users.ToArray());
}
/// <summary>
/// Gets an array of user names in a role where the user name contains the specified user name.
/// </summary>
/// <param name="roleName">The name of the role to search.</param>
/// <param name="usernameToMatch">The user name to be searched for.</param>
/// <returns>An array of user names in the role containing the specified user name.</returns>
public override string[] FindUsersInRole(string roleName, string usernameToMatch)
{
// This creates an array of users in the given role that match the name given as a search criteria.
List <string> users = new List <string>();
DataSetRoles.RoleRow roleRow = this.dataSetRoles.Role.FindByApplicationRole(this.applicationName, roleName);
if (roleRow != null)
{
foreach (DataSetRoles.UserRow userRow in roleRow.GetUserRows())
{
if (userRow.User.Contains(usernameToMatch))
{
users.Add(userRow.User);
}
}
}
return(users.ToArray());
}
/// <summary>
/// Removes a role from the data source for the specified application name.
/// </summary>
/// <param name="roleName">The name of the role to delete.</param>
/// <param name="throwOnPopulatedRole">If true, throw an exception if the role has more than one member and do not
/// delete the role.</param>
/// <returns>true if the role was deleted successfully.</returns>
public override bool DeleteRole(string roleName, bool throwOnPopulatedRole)
{
// Use the in-memory database to find the role for the specified application name.
DataSetRoles.RoleRow roleRow = this.dataSetRoles.Role.FindByApplicationRole(this.applicationName, roleName);
if (roleRow != null)
{
// This allows an exception to be thrown if there are still members in this role.
if (roleRow.GetUserRows().Length != 0 && throwOnPopulatedRole)
{
throw new Exception(string.Format("The {0} role is still populated with users", roleName));
}
// Removing the role at this point will also remove all the members from the role.
this.dataSetRoles.Role.RemoveRoleRow(roleRow);
// Commit the changes to the database.
this.dataSetRoles.WriteXml(this.fileName);
}
// This indicates to the caller whether the role was found or not.
return(roleRow != null);
}