編集履歴

質問編集履歴

ログの内容を追記

2021/10/17 08:55

投稿

otyaotya

スコア1

test CHANGED Viewed

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test CHANGED Viewed

@@ -22,207 +22,321 @@
 ```
+Started DELETE "/posts/1/likes/1" for 172.18.0.1 at 2021-10-17 08:46:58 +0000
-Completed 500 Internal Server Error in 36ms (ActiveRecord: 10.1ms)
+Completed 500 Internal Server Error in 101ms (ActiveRecord: 2.5ms)
+Completed 500 Internal Server Error in 177ms (ActiveRecord: 4.9ms)
+Cannot render console from 172.18.0.1! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255
+Processing by LikesController#destroy as JS
+  Rendering posts/show.html.erb within layouts/application
+NoMethodError (undefined method `post' for nil:NilClass):
+NoMethodError (undefined method `post' for nil:NilClass):
+  Like Load (1.3ms)  SELECT  `likes`.* FROM `likes` WHERE `likes`.`user_id` = 1 AND `likes`.`post_id` = 1 LIMIT 1
+  Parameters: {"post_id"=>"1", "id"=>"1"}
+  User Load (5.1ms)  SELECT  `users`.* FROM `users` WHERE `users`.`id` = 1 ORDER BY `users`.`id` ASC LIMIT 1
+  Rendered posts/show.html.erb within layouts/application (22.7ms)
+app/controllers/likes_controller.rb:14:in `destroy'
+app/controllers/likes_controller.rb:14:in `destroy'
+  Like Load (1.7ms)  SELECT  `likes`.* FROM `likes` WHERE `likes`.`id` = 1 LIMIT 1
+Completed 500 Internal Server Error in 254ms (ActiveRecord: 6.9ms)
+NoMethodError (undefined method `post' for nil:NilClass):
+app/controllers/likes_controller.rb:14:in `destroy'
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_source.text.erb
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_source.text.erb (2.1ms)
   Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_trace.text.erb
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_trace.text.erb (1.1ms)
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.text.erb
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_source.text.erb
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.text.erb (1.0ms)
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb (358.9ms)
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_source.text.erb
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_source.text.erb (1.0ms)
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_trace.text.erb
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_source.text.erb (6.6ms)
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_trace.text.erb (1.8ms)
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_trace.text.erb
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.text.erb
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_trace.text.erb (1.7ms)
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.text.erb (1.3ms)
+  Rendering /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.text.erb
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb (305.1ms)
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.text.erb (2.2ms)
+  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb (261.0ms)
+Completed 200 OK in 2667ms (Views: 2524.5ms | ActiveRecord: 4.6ms)
+```
+となっていましたのでdestroyを確認しました。
+```
+  def destroy
+    @like = Like.find_by(id: params[:id])
+    @post = @like.post
+    if @like.destroy
+      respond_to :js
+    end
+  end
+```
+特に打ち間違いなどもありませんでした。
+またNoMethodError (undefined method post' for nil:NilClass): というところから
+エラーを探そうとコンソールで調べましたが下記の通りに表示されました。
+```
+ @like = Like.find_by(id: params[:id]) NameError: undefined local variable or methodparams' for main:Object
+```
+調べましたがこれはhttpリクエストが発行されてからparamsが発生するためこのエラーは問題ないように思います。
+destroy周辺でエラーになっているとは思うのですが
+これ以降どのようにしたらいいかわからず質問させていただきました。
+※リロードするといいねに切り替わります。
+お手数ですが教えていただけましたら助かります。
+何卒宜しくお願い申し上げます。
+show.html.erb
+```
+<div id="like-icon-post-<%= @post.id.to_s %>">
+    <% if @post.liked_by(current_user).present? %>
+      <%= link_to "いいねを取り消す",post_like_path(@post.id,@post.liked_by(current_user)),method: :DELETE, remote: true, class: "loved hide-text"%>
+    <% else %>
+      <%= link_to "いいね",post_likes_path(@post),method: :POST,remote: true, class: "love hide-text"%>
+    <%end%>
+  </div>
+```
+destroy.js.erb
+```
+$('#like-icon-post-<%= @post.id.to_s%>').
+ html('<%= link_to "いいね",post_likes_path(@post),method: :POST,remote: true,class: "love hide-text" %>');
+```
+create.js.erb
+```
+$('#like-icon-post-<%= @post.id.to_s %>').
+  html('<%= link_to "いいねを取り消す", post_like_path(@post.id, @like), method: :DELETE, remote: true, class: "loved hide-text" %>');
+```
+LikesController
+```
+def create
+    @like = current_user.likes.build(like_params)
+    @post = @like.post
+    if @like.save
+      respond_to :js
+    end
+  end
+```
+routes.rb
+```
+Rails.application.routes.draw do
+  root to: 'home#top'
+  devise_for :users
+  resources :users
-  Rendered /usr/local/bundle/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/templates/rescues/_trace.text.erb (1.0ms)
-NoMethodError (undefined method `post' for nil:NilClass):
-app/controllers/likes_controller.rb:14:in `destroy'
-```
-となっていましたのでdestroyを確認しました。
-```
-  def destroy
-    @like = Like.find_by(id: params[:id])
-    @post = @like.post
-    if @like.destroy
-      respond_to :js
+  resources :posts do
+    resources :likes, only: [:create, :destroy]
-    end
+    resources :comments
   end
+end
-```
+```
-特に打ち間違いなどもありませんでした。
+post.rb
-またNoMethodError (undefined method post' for nil:NilClass): というところから
-エラーを探そうとコンソールで調べましたが下記の通りに表示されました。
-```
+```
- @like = Like.find_by(id: params[:id]) NameError: undefined local variable or methodparams' for main:Object
-```
-調べましたがこれはhttpリクエストが発行されてからparamsが発生するためこのエラーは問題ないように思います。
-destroy周辺でエラーになっているとは思うのですが
-これ以降どのようにしたらいいかわからず質問させていただきました。
-※リロードするといいねに切り替わります。
-お手数ですが教えていただけましたら助かります。
-何卒宜しくお願い申し上げます。
-show.html.erb
-```
-<div id="like-icon-post-<%= @post.id.to_s %>">
-    <% if @post.liked_by(current_user).present? %>
-      <%= link_to "いいねを取り消す",post_like_path(@post.id,@post.liked_by(current_user)),method: :DELETE, remote: true, class: "loved hide-text"%>
-    <% else %>
-      <%= link_to "いいね",post_likes_path(@post),method: :POST,remote: true, class: "love hide-text"%>
-    <%end%>
-  </div>
-```
-destroy.js.erb
-```
-$('#like-icon-post-<%= @post.id.to_s%>').
- html('<%= link_to "いいね",post_likes_path(@post),method: :POST,remote: true,class: "love hide-text" %>');
-```
-create.js.erb
-```
-$('#like-icon-post-<%= @post.id.to_s %>').
-  html('<%= link_to "いいねを取り消す", post_like_path(@post.id, @like), method: :DELETE, remote: true, class: "loved hide-text" %>');
-```
-LikesController
-```
-def create
-    @like = current_user.likes.build(like_params)
+class Post < ApplicationRecord
-    @post = @like.post
-    if @like.save
-      respond_to :js
+  belongs_to :user
+  has_many :likes,dependent: :destroy
-    end
+  def liked_by(user)
+    Like.find_by(user_id: user.id, post_id: id)
   end
-```
-routes.rb
-```
-Rails.application.routes.draw do
-  root to: 'home#top'
-  devise_for :users
-  resources :users
-  resources :posts do
-    resources :likes, only: [:create, :destroy]
-    resources :comments
-  end
 end
-```
+```
-post.rb
+like.rb
-```
+```
-class Post < ApplicationRecord
+class Like < ApplicationRecord
   belongs_to :user
-  has_many :likes,dependent: :destroy
-  def liked_by(user)
+  belongs_to :post
-    Like.find_by(user_id: user.id, post_id: id)
+  validates :user_id, uniqueness: { scope: :post_id }
-  end
 end
@@ -230,26 +344,6 @@
 ```
-like.rb
-```
-class Like < ApplicationRecord
-  belongs_to :user
-  belongs_to :post
-  validates :user_id, uniqueness: { scope: :post_id }
-end
-```
 環境は以下の通りです。

create.js.erb,LikesControllerのdef createを追加

2021/10/17 08:55

投稿

otyaotya

スコア1

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -46,6 +46,8 @@
 となっていましたのでdestroyを確認しました。
 ```
   def destroy
@@ -64,6 +66,8 @@
 ```
 特に打ち間違いなどもありませんでした。
@@ -126,15 +130,43 @@
  html('<%= link_to "いいね",post_likes_path(@post),method: :POST,remote: true,class: "love hide-text" %>');
+```
 create.js.erb
+```
 $('#like-icon-post-<%= @post.id.to_s %>').
- html('<%= link_to "いいねを取り消す",post_like_path(@post.id,@like),method: :DELETE,remote: true,class: "loved hide-text"%>');
+  html('<%= link_to "いいねを取り消す", post_like_path(@post.id, @like), method: :DELETE, remote: true, class: "loved hide-text" %>');
+```
+LikesController
+```
+def create
+    @like = current_user.likes.build(like_params)
+    @post = @like.post
+    if @like.save
+      respond_to :js
+    end
+  end
 ```

誤字修正

2021/10/07 23:17

投稿

otyaotya

スコア1

test CHANGED Viewed

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test CHANGED Viewed

@@ -80,7 +80,7 @@
 ```
-調べましたがこれはhttpリクエストが発行されているからparamsが存在するためこのエラーは問題ないように思います。
+調べましたがこれはhttpリクエストが発行されてからparamsが発生するためこのエラーは問題ないように思います。

タグの追加

2021/10/06 08:27

投稿

otyaotya

スコア1

test CHANGED Viewed

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test CHANGED Viewed

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