using?System;

//References?to?PetShop?specific?libraries
//PetShop?busines?entity?library
using?BookShop.Model;

//PetShop?DAL?interfaces
using?BookShop.IDAL;

namespace?BookShop.BLL?{

	///?

	///?A?business?Component?used?to?manage?accounts
	///?The?BookShop.Model.Account?is?used?in?most?methods?
	///?and?is?used?to?store?serializable?information?about?an?account
	///?

	public?class?Account?{
		
		///?

		///?Method?to?login?into?the?system.?The?user?must?supply?a?username?and?password
		///?

		///?Unique?identifier?for?a?user
		///?Password?for?a?user
		///?If?the?login?is?successful?it?returns?information?abount?the?account
		public?AccountInfo?SignIn（string?userId?string?password）?{

			//?Validate?input
			if?（（userId.Trim（）?==?string.Empty）?||?（password.Trim（）?==?string.Empty））
				return?null;

			//?Get?an?instance?of?the?account?DAL?using?the?DALFactory
			IAccount?dal?=?BookShop.DALFactory.Account.Create（）;

			//?Try?to?sign?in?with?the?given?credentials
			AccountInfo?account?=?dal.SignIn（userId?password）;

			//?Return?the?account
			return?account;
		}

		///?

		///?Returns?the?address?information?for?a?specific?user
		///?

		///?Unique?identifier?for?an?account/customer
		///?Returns?the?address?information?for?the?user
		public?AddressInfo?GetAddress（string?userId）?{

			//?Validate?input
			if?（userId.Trim（）?==?string.Empty）
				return?null;
			
			//?Get?an?instance?of?the?account?DAL?using?the?DALFactory
			IAccount?dal?=?BookShop.DALFactory.Account.Create（）;

			//?Return?the?address?information?for?the?given?userId?from?the?DAL
			return?dal.GetAddress（userId）;?
		}

		///?

		///?A?method?to?insert?a?new?Account
		///?

		///?An?account?entity?with?information?about?the?new?account
		public?void?Insert（AccountInfo?account）?{

			//?Validate?input
			if?（account.UserId.Trim（）?==?string.Empty）
				return;

			//?Get?an?instance?of?the?account?DAL?using?the?DALFactory
			IAccount?dal?=?BookShop.DALFactory.Account.Create（）;

			//?Call?the?DAL?to?insert?the?account
			dal.Insert（account）;
		}

		///?

		///?A?method?to?update?an?existing?account
		///?

		///?An?account?entity?with?information?about?the?account?to?be?updated
		public?void?Update（AccountInfo?account）?{

			//?Validate?input
			if?（account.UserId.Trim（）?==?string.Empty）
				return;

			//?Get?an?instance?of?the?account?DAL?using?the?DALFactory
			IAccount?dal?=?BookShop.DALFactory.Account.Create（）;

			//?Send?the?udpated?account?information?to?the?DAL
			dal.Update（account）;
		}
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2883??2004-11-09?15:30??SHOP\CodeResource\BLL\Account.cs

?????文件????????288??2004-11-09?15:30??SHOP\CodeResource\BLL\AssemblyInfo.cs

?????文件???????5778??2004-11-09?15:15??SHOP\CodeResource\BLL\BLL.csproj

?????文件???????1805??2004-12-06?20:08??SHOP\CodeResource\BLL\BLL.csproj.user

?????文件???????3571??2004-11-09?15:30??SHOP\CodeResource\BLL\Cart.cs

?????文件???????1331??2004-11-09?15:30??SHOP\CodeResource\BLL\Inventory.cs

?????文件???????1532??2004-11-09?15:29??SHOP\CodeResource\BLL\Item.cs

????..A..H.?????22280??2004-12-06?20:08??SHOP\CodeResource\BLL\obj\Debug\BLL.projdata

????..A..H.?????30088??2004-12-06?20:08??SHOP\CodeResource\BLL\obj\Release\BLL.projdata

?????文件??????20480??2004-11-23?22:20??SHOP\CodeResource\BLL\obj\Release\BookShop.BLL.dll

?????文件??????20480??2004-11-09?15:10??SHOP\CodeResource\BLL\obj\Release\PetShop.BLL.dll

?????文件???????2509??2004-11-09?15:29??SHOP\CodeResource\BLL\OrderInsert.cs

?????文件???????1043??2004-11-09?15:29??SHOP\CodeResource\BLL\OrderRead.cs

?????文件???????1625??2004-11-09?15:29??SHOP\CodeResource\BLL\Product.cs

?????文件????????863??2004-11-09?15:29??SHOP\CodeResource\BLL\Profile.cs

?????文件?????999936??2004-11-09?20:58??SHOP\CodeResource\BookShop\dbBookShopOrders

?????文件??????19456??2004-11-09?20:48??SHOP\CodeResource\BookShop.ncb

?????文件???????6405??2004-12-06?19:58??SHOP\CodeResource\BookShop.sln

?????文件????????596??2002-11-17?18:55??SHOP\CodeResource\BookShop.snk

????..A..H.?????14848??2004-12-06?20:08??SHOP\CodeResource\BookShop.suo

?????文件????????340??2004-12-06?20:08??SHOP\CodeResource\BookShop_Model.tgs

?????文件?????????36??2004-12-06?20:08??SHOP\CodeResource\BookShop_Model.tgw

?????文件????????652??2004-11-09?15:30??SHOP\CodeResource\DALFactory\Account.cs

?????文件????????123??2004-11-09?15:29??SHOP\CodeResource\DALFactory\AssemblyInfo.cs

?????文件??????16384??2004-11-23?22:20??SHOP\CodeResource\DALFactory\bin\Release\BookShop.DAL.dll

?????文件??????16384??2004-11-23?22:20??SHOP\CodeResource\DALFactory\bin\Release\BookShop.IDAL.dll

?????文件??????24576??2004-11-23?22:20??SHOP\CodeResource\DALFactory\bin\Release\BookShop.Model.dll

?????文件??????16384??2004-11-09?15:10??SHOP\CodeResource\DALFactory\bin\Release\PetShop.DAL.dll

?????文件??????16384??2004-11-09?15:10??SHOP\CodeResource\DALFactory\bin\Release\PetShop.IDAL.dll

?????文件???????5258??2004-11-09?15:15??SHOP\CodeResource\DALFactory\DALFactory.csproj

............此處省略378個文件信息