{"id":1217,"date":"2015-01-04T18:12:42","date_gmt":"2015-01-04T10:12:42","guid":{"rendered":"http:\/\/blog.turn.tw\/?p=1217"},"modified":"2015-01-09T11:07:28","modified_gmt":"2015-01-09T03:07:28","slug":"ddd%e5%af%a6%e6%88%b0%ef%bc%9a%e4%b8%80%e6%ae%b5%e8%a8%82%e5%96%ae%e5%bb%ba%e7%ab%8b%e7%a8%8b%e5%ba%8f-part-2","status":"publish","type":"post","link":"https:\/\/blog.turn.tw\/?p=1217","title":{"rendered":"DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u8a02\u55ae\u5efa\u7acb\u7a0b\u5e8f-Part 2"},"content":{"rendered":"<p>\u6211\u5728<a href=\"https:\/\/blog.turn.tw\/?p=1192\" title=\"DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u8a02\u55ae\u5efa\u7acb\u7a0b\u5e8f-Part 1\">DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u8a02\u55ae\u5efa\u7acb\u7a0b\u5e8f-Part 1<\/a>\u9032\u884c\u4e86\u4e00\u6b21\u6548\u679c\u4e0d\u4f73\u7684\u91cd\u69cb\u3002<\/p>\n<p>\u6700\u5f8c\u4e0d\u76e1\u7406\u60f3\u7684\u7d50\u679c\u5982\u4e0b\uff1a<\/p>\n<pre>\r\n<?php\r\n\r\nclass SomeController extends BaseController {\r\n\r\n    private $orderRepository;\r\n\r\n    public function __construct()\r\n    {\r\n        $this->orderRepository = new OrderRepository();\r\n    }\r\n\r\n    private function getNewOrderOrCreate()\r\n    {\r\n        if (Auth::check()){\r\n\r\n            $order = $this->orderRepository->getNewOrderByUser(Auth::user());\r\n            if ( !$order ){\r\n                $order = Order::createWithUser(Auth::user());\r\n            }\r\n                        \r\n        } else {\r\n            \r\n            $order = $this->orderRepository->getNewOrderBySesssionId(Session::getId());            \r\n            if ( !$order ){\r\n                $order = Order::createWithSession(Session::getId());\r\n            }\r\n\r\n        }\r\n        \r\n        return $order;\r\n    }\r\n\r\n    public function getOrder()\r\n    {              \r\n        $order = $this->orderRepository->getNewOrderOrCreate();\r\n\r\n        return View::make('client\/order', ['order' => $order]);\r\n    }\r\n\r\n}\r\n<\/pre>\n<p>\u6211\u5c0dcontroller\u4e2d\u7684getNewOrderOrCreate\u51fd\u5f0f\u975e\u5e38\u4e0d\u6eff\u610f\u3002<br \/>\ncontroller\u4e2d\u7684\u5176\u4ed6\u90e8\u4efd\uff0c\u90fd\u53ea\u662f\u521d\u59cb\u5316\u67d0\u4e9b\u985e\u5225\u3001\u628a\u67d0\u4e9b\u53c3\u6578\u50b3\u4f86\u50b3\u53bb\uff0c\u8b39\u6b64\u800c\u5df2\uff0c\u552f\u7368\u9019\u500b\u51fd\u5f0f\u5167\u542b\u8907\u96dc\u908f\u8f2f\u3002\u771f\u919c\u3002<\/p>\n<p>\u4f46\u662f\u90a3\u4e9b\u5224\u65b7logic\u78ba\u5be6\u662fcontroller\u8a72\u8ca0\u8cac\u7684\u4e8b\u60c5\uff0c\u4e5f\u4e0d\u80fd\u4e1f\u9032model\uff0c\u600e\u9ebc\u8fa6\u5462\uff1f<\/p>\n<h3>DDD\u89c0\u9ede<\/h3>\n<p>DDD\u4e2d\u5340\u5206\u4e86Application Layer\u3001Domain Layer\u3002\u4e4d\u770b\u4e4b\u4e0bgetNewOrderOrCreate\u4e0d\u80fd\u9032Domain Layer\uff0c\u53ea\u80fd\u786c\u653e\u5728Application Layer\u8b8a\u6210\u919ccontroller\u3002<\/p>\n<p>\u6211\u5728<a href=\"https:\/\/blog.turn.tw\/?p=1177\" title=\"DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u91d1\u6d41\u7a0b\u5e8f\">DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u91d1\u6d41\u7a0b\u5e8f<\/a>\u63d0\u5230\u904eService\u7684\u6982\u5ff5\u3002<\/p>\n<p>\u6211\u7814\u7a76\u4e86\u4e00\u4e0b\u767c\u73fe&#8230;<\/p>\n<p>\u5176\u5be6Service\u53c8\u53ef\u5206\u70baApplication Service\u3001Domain Service\u4ee5\u53caInfrastructure Service\u3002<\/p>\n<p>\u8981\u5224\u65b7\u4e00\u500bService\u96b8\u5c6c\u65bc\u54ea\u7a2e\uff0c\u5e38\u5e38\u975e\u5e38\u56f0\u96e3\uff08\u8b6c\u5982\u8aaa\uff0c\u60a8\u89ba\u5f97<a href=\"https:\/\/blog.turn.tw\/?p=1177\" title=\"DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u91d1\u6d41\u7a0b\u5e8f\">DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u91d1\u6d41\u7a0b\u5e8f<\/a>\u4e2d\u7684ReceivePaymentNotification\u7b97\u662fApplication service\u9084\u662fDomain service\uff1f\uff09<\/p>\n<p>\u4e0d\u904e\u773c\u524d\u7684getNewOrderOrCreate\u537b\u975e\u5e38\u6e05\u695a\uff0c\u61c9\u8a72\u662f\u5c6c\u65bcApplication Layer\uff01<\/p>\n<p>\uff08\u4f46\u9019\u90fd\u6c92\u95dc\u4fc2\u3002\u76ee\u524d\u6211\u6c92\u6253\u7b97\u91dd\u5c0d\u4e09\u7a2eService\u5728\u7a0b\u5f0f\u4e2d\u52a0\u4e0anamespace\uff0c\u4e5f\u6c92\u6253\u7b97\u5728\u6a94\u6848\u7d50\u69cb\u4e0a\u5206\u5225\u958b\u8cc7\u6599\u593e\u4e4b\u985e\u7684\u3002\u73fe\u968e\u6bb5\u6211\u5c31\u96a8\u4fbf\u958b\u500bService\u8cc7\u6599\u593e\uff0c\u7136\u5f8c\u7ba1\u4ed6\u54ea\u7a2eService\u901a\u901a\u4e1f\u9032\u53bb\u5c31\u597d\u4e86\u3002\uff09<\/p>\n<p>\u90a3\u9ebc\uff0c\u5c31\u8b93\u6211\u4f86\u5c01\u88dd\u4e00\u500bService\uff0c\u63a5\u8457\u5728Controller\u4f7f\u7528\u5b83\u5427\uff1a<\/p>\n<pre>\r\n<?php\r\n\r\nclass SomeController extends BaseController {\r\n\r\n    public function getOrder()\r\n    {              \r\n        $service = new FetchOrderForClient();\r\n\r\n        $order = $service->getOrCreate();\r\n\r\n        return View::make('client\/order', ['order' => $order]);\r\n    }\r\n\r\n}\r\n<\/pre>\n<pre>\r\n<?php\r\nclass FetchOrderForClient\r\n{\r\n    private $orderRepository;\r\n\r\n    public function __construct()\r\n    {\r\n        $this->orderRepository = new OrderRepository();\r\n    }\r\n    \r\n    public function getOrCreate()\r\n    {\r\n        if (Auth::check()){\r\n\r\n            $order = $this->orderRepository->getNewOrderByUser(Auth::user());\r\n            if ( !$order ){\r\n                $order = Order::createWithUser(Auth::user());\r\n            }\r\n                        \r\n        } else {\r\n            \r\n            $order = $this->orderRepository->getNewOrderBySesssionId(Session::getId());            \r\n            if ( !$order ){\r\n                $order = Order::createWithSession(Session::getId());\r\n            }\r\n\r\n        }\r\n        \r\n        return $order;\r\n    }\r\n        \r\n}\r\n<\/pre>\n<p>\u7d42\u65bc\u6210\u529f\u4e86\uff01\u7d42\u65bc\u8b93controller\u5167\u7684code\u770b\u8d77\u4f86\u975e\u5e38\u7c21\u6f54\u3001expressive\uff0c\u537b\u53c8\u4e0d\u5f71\u97ff\u5230Domain Layer\uff01<br \/>\n\u6211\u9084\u767c\u73fe\uff0cgetNewOrderOrCreate\u5149\u770b\u51fd\u5f0f\u540d\u7a31\u5c31\u89ba\u5f97\u6982\u5ff5\u6a21\u7cca\u3002\u9019\u7a2e\u6a21\u7cca\u611f\u672c\u8eab\u5c31\u6697\u793a\u4e86\u62bd\u8c61\u5316\u7684\u4e0d\u8db3\u3001\u7a0b\u5f0f\u8a2d\u8a08\u60f3\u5f97\u4e0d\u5920\u6e05\u695a\u3002<br \/>\n\u4e00\u6a21\u4e00\u6a23\u7684\u5167\u5bb9\uff0c\u5c01\u88dd\u6210\u985e\u5225\u3001\u518d\u91cd\u65b0\u547d\u540d\uff0c\u5c31\u6210\u4e86FetchOrderForClient\u5e95\u4e0b\u7684getOrCreate\uff0c\u771f\u662f\u6e05\u695a\u591a\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u5728DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u8a02\u55ae\u5efa\u7acb\u7a0b\u5e8f-Part 1\u9032\u884c\u4e86\u4e00\u6b21\u6548\u679c\u4e0d\u4f73\u7684\u91cd\u69cb\u3002 \u6700\u5f8c\u4e0d\u76e1\u7406\u60f3\u7684\u7d50\u679c\u5982\u4e0b\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[2],"tags":[28,6],"_links":{"self":[{"href":"https:\/\/blog.turn.tw\/index.php?rest_route=\/wp\/v2\/posts\/1217"}],"collection":[{"href":"https:\/\/blog.turn.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.turn.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.turn.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.turn.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1217"}],"version-history":[{"count":12,"href":"https:\/\/blog.turn.tw\/index.php?rest_route=\/wp\/v2\/posts\/1217\/revisions"}],"predecessor-version":[{"id":1233,"href":"https:\/\/blog.turn.tw\/index.php?rest_route=\/wp\/v2\/posts\/1217\/revisions\/1233"}],"wp:attachment":[{"href":"https:\/\/blog.turn.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.turn.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.turn.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}