ASTRO Camp 11th
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    # 20220808 Rails 無名小站實作 (Rich) 文章上鎖 ###### tags: `Ruby` `Rails` ## scope > controller 內的 where 都可以移到 model 的 scope > * <mark>Fat Model, Thin Controller</mark> ```ruby scope :available, -> { where(deleted_at: nil) } # lambda, Callback function ``` ```ruby # 如果有比較多邏輯運算寫這種 # 可以把所有商業運作邏輯放在model這裡 # ex 之後想找出所有同類型可以在這邊運作 def self.available where(deleted_at: nil) end ``` ```ruby= # before def destroy # @article.destroy @article.update(deleted_at: Time.current) end # 移至model # after # # app/modles/article.rb def destroy @article.update(deleted_at: Time.current) end # app/controllers/articles_controller.rb def destroy @article.destroy end ``` ## 套件 paranoia 前面步驟的完整軟刪除套件 [GitHub](https://github.com/rubysherpas/paranoia) ### QueryString (很重要!!) 網址?後面的字串,可被解析為params中的參數 ex: https://www.tenlong.com.tw/zh_tw/recent_bestselling?page=2&range=7 page=2&range=7 就會被抓出來 甚至連從哪邊進入都可以抓出來 (GA分析可以用) 搜尋bar input的值也會被抓出來 * 可用collection 做search路徑,再抓querystring (參考google) ## 文章上鎖 解鎖 ### 新增路徑 ### 文章模組新增密碼欄位 ### View 新增密碼欄位 ### Controller permit 更新 ### session 儲存解鎖過的文章 ### View 判斷可不可以閱覽 ### >> 移至 View_helpeer ## 留言 Comment ### shallow ```ruby= resources :comments, only: [:show, :edit, :update, :destroy] resources :articles do resources :comments, only: [:index, :new, :create] end # = resources :articles do resources :comments, shallow: true end ```

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