override the ProductReviewService to dispatch a custom action to an effect they would create with the logic they need.
搜尋 POST_PRODUCT_REVIEW, 看看接收方是誰。
答案是 『ProductReviewsEffect：接收了該 Action 之後，調用 productReviewsConnector，消費 OCC API 添加 post，待添加成功後，傳回新的 Action 對象 ProductActions.PostProductReviewSuccess，其中包含了 ReviewResponse.