public async Task RemoveAdmin(string username, User user)
{
User oldAdmin = await GetUserOrThrow(username);
Role?adminRole = await roleRepo.FindAdminRole(oldAdmin);
if (adminRole == null)
{
throw new InvalidOperationException($"User {oldAdmin.Username} was not an admin");
}
await roleRepo.Delete(adminRole);
await eventBus.Dispatch(new AdminRemovedEvent(oldAdmin));
}
