using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using System.Web.Mvc;
using System.Web.WebPages;
using NewLife.Cube.Precompiled;
using NewLife.Log;
using NewLife.Reflection;
using NewLife.Web;
using XCode;
using XCode.Membership;
namespace NewLife.Cube
{
/// <summary>区域注册基类</summary>
/// <remarks>
/// 提供以下功能:
/// 1,区域名称。从类名中截取。其中DisplayName特性作为菜单中文名。
/// 2,静态构造注册一次视图引擎、绑定提供者、过滤器
/// 3,注册区域默认路由
/// </remarks>
public abstract class AreaRegistrationBase : AreaRegistration
{
/// <summary>区域名称</summary>
public override String AreaName { get; }
/// <summary>预编译引擎集合。便于外部设置属性</summary>
public static PrecompiledViewAssembly[] PrecompiledEngines { get; private set; }
/// <summary>所有区域类型</summary>
public static Type[] Areas { get; private set; }
/// <summary>实例化区域注册</summary>
public AreaRegistrationBase()
{
AreaName = GetType().Name.TrimEnd("AreaRegistration");
}
static AreaRegistrationBase()
{
XTrace.WriteLine("{0} Start 初始化魔方 {0}", new String('=', 32));
Assembly.GetExecutingAssembly().WriteVersion();
// 遍历所有引用了AreaRegistrationBase的程序集
var list = new List<PrecompiledViewAssembly>();
foreach (var asm in FindAllArea())
{
XTrace.WriteLine("注册区域视图程序集:{0}", asm.FullName);
var pva = new PrecompiledViewAssembly(asm);
list.Add(pva);
}
PrecompiledEngines = list.ToArray();
var engine = new CompositePrecompiledMvcEngine(PrecompiledEngines);
XTrace.WriteLine("注册复合预编译引擎,共有视图程序集{0}个", list.Count);
//ViewEngines.Engines.Insert(0, engine);
// 预编译引擎滞后,让其它引擎先工作
ViewEngines.Engines.Add(engine);
// StartPage lookups are done by WebPages.
VirtualPathFactoryManager.RegisterVirtualPathFactory(engine);
// 注册绑定提供者
EntityModelBinderProvider.Register();
// 注册过滤器
XTrace.WriteLine("注册过滤器:{0}", typeof(MvcHandleErrorAttribute).FullName);
XTrace.WriteLine("注册过滤器:{0}", typeof(EntityAuthorizeAttribute).FullName);
var filters = GlobalFilters.Filters;
filters.Add(new MvcHandleErrorAttribute());
filters.Add(new EntityAuthorizeAttribute() { IsGlobal = true });
// 从数据库或者资源文件加载模版页面的例子
//HostingEnvironment.RegisterVirtualPathProvider(new ViewPathProvider());
//var routes = RouteTable.Routes;
//routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
//routes.MapRoute(
// name: "Virtual",
// url: "{*viewName}",
// defaults: new { controller = "Frontend", action = "Default" },
// constraints: new { controller = "Frontend", action = "Default" }
//);
// 自动检查并下载魔方资源
Task.Factory.StartNew(CheckContent, TaskCreationOptions.LongRunning).LogException();
XTrace.WriteLine("{0} End 初始化魔方 {0}", new String('=', 32));
}
/// <summary>遍历所有引用了AreaRegistrationBase的程序集</summary>
/// <returns></returns>
static List<Assembly> FindAllArea()
{
var list = new List<Assembly>();
Areas = typeof(AreaRegistrationBase).GetAllSubclasses(false).ToArray();
foreach (var item in Areas)
{
var asm = item.Assembly;
if (!list.Contains(asm))
{
list.Add(asm);
//yield return asm;
}
}
// 为了能够实现模板覆盖,程序集相互引用需要排序,父程序集在前
list.Sort((x, y) =>
{
if (x == y) return 0;
if (x != null && y == null) return 1;
if (x == null && y != null) return -1;
//return x.GetReferencedAssemblies().Any(e => e.FullName == y.FullName) ? 1 : -1;
// 对程序集引用进行排序时,不能使用全名,当魔方更新而APP没有重新编译时,版本的不同将会导致全名不同,无法准确进行排序
var yname = y.GetName().Name;
return x.GetReferencedAssemblies().Any(e => e.Name == yname) ? 1 : -1;
});
return list;
}
static void CheckContent()
{
var js = "~/Content/Cube.js".GetFullPath();
var css = "~/Content/Cube.css".GetFullPath();
if (File.Exists(js) && File.Exists(css)) return;
var url = Setting.Current.PluginServer;
if (url.IsNullOrEmpty()) return;
var wc = new WebClientX(true, true)
{
Log = XTrace.Log
};
wc.DownloadLinkAndExtract(url, "Cube_Content", "~/Content".GetFullPath(), false);
}
/// <summary>注册区域</summary>
/// <param name="context"></param>
public override void RegisterArea(AreaRegistrationContext context)
{
var ns = GetType().Namespace + ".Controllers";
XTrace.WriteLine("开始注册权限管理区域[{0}],控制器命名空间[{1}]", AreaName, ns);
// 注册本区域默认路由
context.MapRoute(
AreaName,
AreaName + "/{controller}/{action}/{id}",
new { controller = "Index", action = "Index", id = UrlParameter.Optional },
new[] { ns }
);
// 所有已存在文件的请求都交给Mvc处理,比如Admin目录
//routes.RouteExistingFiles = true;
// 自动检查并添加菜单
Task.Run(() => ScanController());
}
/// <summary>自动扫描控制器,并添加到菜单</summary>
/// <remarks>默认操作当前注册区域的下一级Controllers命名空间</remarks>
protected virtual void ScanController()
{
#if DEBUG
XTrace.WriteLine("{0}.ScanController", GetType().Name.TrimEnd("AreaRegistration"));
#endif
var mf = ManageProvider.Menu;
if (mf == null) return;
using (var tran = (mf as IEntityOperate).CreateTrans())
{
XTrace.WriteLine("初始化[{0}]的菜单体系", AreaName);
mf.ScanController(AreaName, GetType().Assembly, GetType().Namespace + ".Controllers");
// 更新区域名称为友好中文名
var menu = mf.Root.FindByPath(AreaName);
if (menu != null && menu.DisplayName.IsNullOrEmpty())
{
var dis = GetType().GetDisplayName();
var des = GetType().GetDescription();
if (!dis.IsNullOrEmpty()) menu.DisplayName = dis;
if (!des.IsNullOrEmpty()) menu.Remark = des;
(menu as IEntity).Save();
}
tran.Commit();
}
}
/// <summary>判断控制器是否归属于魔方管辖</summary>
/// <param name="controller"></param>
/// <returns></returns>
internal static Boolean Contains(IController controller)
{
// 判断控制器是否在管辖范围之内,不拦截其它控制器的异常信息
var ns = controller.GetType().Namespace;
if (!ns.EndsWith(".Controllers")) return false;
// 该控制器父级命名空间必须有对应的区域注册类,才会拦截其异常
ns = ns.TrimEnd(".Controllers");
return Areas.Any(e => e.Namespace == ns);
}
}
}
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