/// <summary>
/// 给用户添加角色
/// </summary>
/// <param name="user">用户信息</param>
/// <param name="roleName">角色名称</param>
/// <returns></returns>
public virtual async Task AddToRoleAsync(TUser user, string roleName)
{
user.CheckNotNull("user");
roleName.CheckNotNull("roleName");
bool exist = await UserRoleMapRepository.CheckExistsAsync(m => m.User.Id.Equals(user.Id) && m.Role.Name == roleName);
if (exist)
{
return;
}
TRole role = await Task.Run(() => RoleRepository.TrackEntities.Where(m => m.Name == roleName).FirstOrDefault());
if (role == null)
{
throw new InvalidOperationException("名称为“{0}”的角色信息不存在".FormatWith(roleName));
}
TUserRoleMap map = new TUserRoleMap()
{
User = user, Role = role
};
await UserRoleMapRepository.InsertAsync(map);
}
/// <summary>
/// 检查用户角色映射信息信息是否存在
/// </summary>
/// <param name="predicate">检查谓语表达式</param>
/// <param name="id">更新的用户角色映射信息编号</param>
/// <returns>用户角色映射信息是否存在</returns>
public Task <bool> CheckUserRoleMapExists(Expression <Func <UserRoleMap, bool> > predicate, int id = 0)
{
return(UserRoleMapRepository.CheckExistsAsync(predicate, id));
}
