// Promote / Demote users
private void promoteDemoteToolStripMenuItem_Click(object sender, EventArgs e)
{
int SelectedUsersCount = listView_Users.SelectedItems.Count;
if (SelectedUsersCount == 0)
{
return;
}
long AdminCount;
long SelectedAdminCount;
long AdminRoleID;
long UserRoleID;
using (UserController userController = new UserController())
using (RoleController roleController = new RoleController())
{
AdminRoleID = roleController.GetRoleID("Admin");
UserRoleID = roleController.GetRoleID("User");
// Check if Admin want to demote all Admins
List <UserModelDataTransferObject> AdminsList = userController.GetUsersByRoleID(AdminRoleID);
AdminCount = AdminsList.Count;
SelectedAdminCount = 0;
foreach (ListViewItem item in listView_Users.SelectedItems)
{
long UserID = Convert.ToInt64(item.Tag);
UserModelDataTransferObject CurrentUser = userController.GetUserByID(UserID);
if (CurrentUser.IsAdministrator())
{
++SelectedAdminCount;
}
}
}
if (AdminCount == SelectedAdminCount && AdminCount == listView_Users.SelectedItems.Count)
{
MaterialMessageBox.Show("You cannot demote all Administrators.", "Easy Survey - Demote Users", MaterialMessageBox.MessageBoxButtons.OK, MaterialMessageBox.MessageBoxIcon.Error);
return;
}
// Check if Admin wants to demote himself
bool AdminSelectedHimself = false;
foreach (ListViewItem item in listView_Users.SelectedItems)
{
long UserID = Convert.ToInt64(item.Tag);
if (LoggedUser.UserID == UserID)
{
AdminSelectedHimself = true; break;
}
}
if (AdminSelectedHimself)
{
MaterialMessageBox.Show("You cannot demote yourself.", "Easy Survey - Demote Users", MaterialMessageBox.MessageBoxButtons.OK, MaterialMessageBox.MessageBoxIcon.Error);
return;
}
// Demote / Promote selected users.
using (UserController userController = new UserController())
using (UserRoleController userRoleController = new UserRoleController())
foreach (ListViewItem item in listView_Users.SelectedItems)
{
long UserID = Convert.ToInt64(item.Tag);
UserModelDataTransferObject CurrentUser = userController.GetUserByID(UserID);
if (CurrentUser.IsAdministrator()) // Demote to standard user.
{
userRoleController.SetUserRole(UserID, UserRoleID);
item.Group = listView_Users.Groups["User"];
}
else if (!CurrentUser.IsAdministrator()) // Promote to admin.
{
userRoleController.SetUserRole(UserID, AdminRoleID);
item.Group = listView_Users.Groups["Administrator"];
}
}
}
