/// <summary>
/// 删除授权节点
/// </summary>
/// <param name="node">授权节点</param>
public void Delete(AuthorizationNode node)
{
IList <AuthorizationNode> lns = db.Query <AuthorizationNode>((AuthorizationNode an) => an.AuthorizationUri == node.AuthorizationUri);
foreach (AuthorizationNode an in lns)
{
db.Delete(an); // 删除所有授权节点
}
}
/// <summary>
/// 从数据库恢复列表布局信息
/// </summary>
/// <param name="user">用户</param>
/// <param name="module">模块</param>
/// <param name="appUri">应用程序路径</param>
/// <returns>如果存在列表布局信息则返回其布局信息否则为空</returns>
public Layout RestoreLayout(string user, string appUri)
{
IList <Layout> layouts = db.Query <Layout>(lay =>
lay.User == user && lay.AppUri == appUri);
if (layouts.Count > 0)
{
return(layouts[0]);
}
else
{
// 如果不存在用户定义的布局信息则加载管理员的布局
layouts = db.Query <Layout>(lay =>
lay.User == DEFAULT_USER && lay.AppUri == appUri);
if (layouts.Count > 0)
{
return(layouts[0]);
}
}
return(null);
}
/// <summary>
/// 保存操作命令
/// </summary>
/// <param name="command">命令</param>
public void Save(AuthorizationCommand command)
{
Delete(command);
// 为操作指定一个唯一的序号
if (command.Sequence == -1)
{
IList <AuthorizationCommand> lcs = db.Query <AuthorizationCommand>((AuthorizationCommand cmd) => cmd.Category == command.Category);
command.Sequence = lcs.Count + 1;
}
db.Store(command);
}