/// <summary>
/// 下移角色。
/// </summary>
/// <param name="role">角色实例。</param>
/// <returns>返回移动结果。</returns>
public virtual bool MoveDown(TRole role)
{
if (role == null)
{
throw new ArgumentNullException(nameof(role));
}
// ReSharper disable once SuspiciousTypeConversion.Global
if (role is IRoleEventHandler <TRole> handler)
{
return(RoleContext.BeginTransaction(db =>
{
if (!db.MoveDown(role.Id, x => x.RoleLevel, MoveExpression(role)))
{
return false;
}
if (!handler.OnUpdate(db))
{
return false;
}
return true;
}));
}
return(RoleContext.MoveDown(role.Id, x => x.RoleLevel, MoveExpression(role)));
}