質問編集履歴
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情報の追加
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# [このアプリのgithub](https://github.com/Harasou21/coffee_passport/tree/liking)
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タイトルの修正
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いいね
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いいねの解除ができない
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最新のコードへ変更
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いいね
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いいねボタンを押してもいいねが変わらない
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### 発生している問題・エラーメッセージ
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# いいねボタンを押した時、いいねは上手く行くのですが、いいねの解除が上手くいきません
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```
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Started DELETE "/like/19" for ::1 at 2020-12-23 16:56:49 +0900
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Processing by LikesController#unlike as JS
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Parameters: {"drink_id"=>"19"}
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Drink Load (0.5ms) SELECT `drinks`.* FROM `drinks` WHERE `drinks`.`id` = 19 LIMIT 1
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↳ app/controllers/likes_controller.rb:21:in `set_variables'
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User Load (0.4ms) SELECT `users`.* FROM `users` WHERE `users`.`id` = 6 LIMIT 1
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↳ app/helpers/sessions_helper.rb:53:in `current_user'
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Like Load (0.3ms) SELECT `likes`.* FROM `likes` WHERE `likes`.`user_id` = 6 AND `likes`.`drink_id` = 19 LIMIT 1
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↳ app/controllers/likes_controller.rb:14:in `unlike'
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Rendering likes/unlike.js.erb
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Rendered likes/like.js.erb (Duration: 465.6ms | Allocations: 200200)
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Completed 500 Internal Server Error in 14458ms (ActiveRecord: 2.9ms | Allocations: 220526)
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ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007ff892254698>:0x00007ff8ace00bd0>
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Did you mean? @drink
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@drinks):
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1: <div class="like" id="like-link-<%= drink.id %>">
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2: <% if current_user.likes.find_by(drink_id: drink.id) %>
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3: <%= link_to unlike_path(drink.id), method: :delete, remote: true do %>
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CACHE Like Load (0.0ms) SELECT `likes`.* FROM `likes` WHERE `likes`.`user_id` = 6 AND `likes`.`drink_id` = 19 LIMIT 1
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app/views/likes/_like.html.erb:
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↳ app/views/likes/_like.html.erb:2
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(0.3ms) SELECT COUNT(*) FROM `likes` WHERE `likes`.`drink_id` = 19
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app/views/likes/like.
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↳ app/views/likes/_like.html.erb:4
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Rendered likes/_like.html.erb (Duration: 3.2ms | Allocations: 1654)
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Rendered likes/unlike.js.erb (Duration: 3.5ms | Allocations: 1762)
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Completed 200 OK in 11ms (Views: 4.1ms | ActiveRecord: 1.5ms | Allocations: 4365)
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```
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```
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しっかり、いいねを取り消すunlikeメソッドが反応してます
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コンソール上ではエラーは確認されてません
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きっとレンダリングが上手く行ってない可能性が高いと思います
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@@ -162,7 +172,7 @@
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</div>
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<%= render
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<%= render partial: "likes/like",locals:{drink: drink}%>
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</div>
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@@ -218,250 +228,194 @@
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```erb
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$("<%= @id_name %>").html('<%= escape_javascript(render("likes/like", drink: @drink )) %>');
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```
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**likes/unlike.js.erb**
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```erb
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$("<%= @id_name %>").html('<%= escape_javascript(render("likes/like", drink: @drink )) %>');
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```
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こっちが上手くいかない。
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**like_controller**
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```ruby
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class LikesController < ApplicationController
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include SessionsHelper
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before_action :set_variables
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def like
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like = current_user.likes.new(drink_id: @drink.id)
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#redirect_to drinks_path
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# jsを用いるので画面遷移は行わない
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binding.pry
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like.save
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end
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def unlike
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like = current_user.likes.find_by(drink_id: @drink.id)
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binding.pry
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like.destroy
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end
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private
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def set_variables
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@drink = Drink.find(params[:drink_id])
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@id_name = "#like-link-#{@drink.id}"
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end
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end
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```
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319
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**routes.rb**
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323
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```ruby
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Rails.application.routes.draw do
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root to: 'drinks#index'
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get '/login', to: 'sessions#new'
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331
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post '/login', to: 'sessions#create'
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332
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333
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+
delete '/logout', to: 'sessions#destroy'
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334
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+
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335
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get 'user/likes', to: 'users#likes'
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336
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337
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+
resources :users do
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338
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339
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member do
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340
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+
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341
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get :following,:followers
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342
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343
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+
# memberメソッドを使うと
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344
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+
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345
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# ユーザーidが含まれてるURlを扱うようになる
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346
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347
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+
end
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348
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+
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|
349
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+
end
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|
350
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+
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351
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+
get '/drinks/searchdrink', to: 'drinks#search_drink'
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352
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353
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+
resources :drinks, only: [:index,:new,:show,:create,:destroy] do
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354
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+
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355
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collection do
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356
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+
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357
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get 'search'
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358
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359
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end
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360
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+
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361
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+
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362
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363
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resources :comments,only: :create
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364
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+
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365
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# あるツイートに対してのコメントと言う
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366
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367
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# 親子関係を表現したパスが、コメント投稿に必要なリクエストの
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368
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+
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369
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# パスになります
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370
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371
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372
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373
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resources :trades,only: [:index,:new,:create]
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374
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+
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|
375
|
+
end
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376
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+
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|
377
|
+
post '/drinks/:id/trades/new', to: 'trades#create'
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378
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379
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+
resources :relationships, only: [:create,:destroy]
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380
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+
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381
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+
post 'like/:drink_id' ,to: 'likes#like', as: 'like'
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382
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+
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|
383
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+
delete 'like/:drink_id',to: 'likes#unlike', as: 'unlike'
|
|
384
|
+
|
|
385
|
+
end
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|
386
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+
|
|
387
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+
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388
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+
|
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389
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+
```
|
|
390
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+
|
|
391
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+
|
|
392
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+
|
|
393
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+
### 試したこと
|
|
394
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+
|
|
395
|
+
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396
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+
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397
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+
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398
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+
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399
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+
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400
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401
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+
とあったので、drinkの部分を@drinkに全部
|
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402
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|
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403
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+
|
|
404
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+
|
|
405
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+
```erb
|
|
406
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+
|
|
221
407
|
$(<%= @id_name %>).html('<%= escape_javascript(render("likes/like" ,locals: {drink: @drink})) %>');
|
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222
408
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223
409
|
```
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224
410
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225
411
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226
412
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227
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-
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413
|
+
に元々
|
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228
414
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229
415
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230
416
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231
417
|
```erb
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|
232
418
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|
233
|
-
$(<%= @id_name %>).html('<%= escape_javascript(render("likes/like",locals: {drink: @drink} )) %>');
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234
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-
|
|
235
|
-
```
|
|
236
|
-
|
|
237
|
-
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|
238
|
-
|
|
239
|
-
**like_controller**
|
|
240
|
-
|
|
241
|
-
|
|
242
|
-
|
|
243
|
-
```ruby
|
|
244
|
-
|
|
245
|
-
class LikesController < ApplicationController
|
|
246
|
-
|
|
247
|
-
include SessionsHelper
|
|
248
|
-
|
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249
|
-
|
|
250
|
-
|
|
251
|
-
before_action :set_variables
|
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252
|
-
|
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253
|
-
def like
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|
254
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-
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255
|
-
|
|
256
|
-
|
|
257
|
-
like = current_user.likes.new(drink_id: @drink.id)
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258
|
-
|
|
259
|
-
#redirect_to drinks_path
|
|
260
|
-
|
|
261
|
-
# jsを用いるので画面遷移は行わない
|
|
262
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-
|
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263
|
-
binding.pry
|
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264
|
-
|
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265
|
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like.save
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|
266
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-
|
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267
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-
end
|
|
268
|
-
|
|
269
|
-
|
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270
|
-
|
|
271
|
-
def unlike
|
|
272
|
-
|
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273
|
-
like = current_user.likes.find_by(drink_id: @drink.id)
|
|
274
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-
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275
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binding.pry
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276
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277
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like.destroy
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278
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279
|
-
end
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280
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281
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282
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private
|
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284
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-
|
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285
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-
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286
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-
|
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287
|
-
def set_variables
|
|
288
|
-
|
|
289
|
-
@drink = Drink.find(params[:drink_id])
|
|
290
|
-
|
|
291
|
-
@id_name = "#like-link-#{@drink.id}"
|
|
292
|
-
|
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293
|
-
end
|
|
294
|
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|
|
295
|
-
|
|
296
|
-
|
|
297
|
-
end
|
|
298
|
-
|
|
299
|
-
|
|
300
|
-
|
|
301
|
-
```
|
|
302
|
-
|
|
303
|
-
|
|
304
|
-
|
|
305
|
-
**routes.rb**
|
|
306
|
-
|
|
307
|
-
|
|
308
|
-
|
|
309
|
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```ruby
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|
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311
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Rails.application.routes.draw do
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|
|
313
|
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root to: 'drinks#index'
|
|
314
|
-
|
|
315
|
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get '/login', to: 'sessions#new'
|
|
316
|
-
|
|
317
|
-
post '/login', to: 'sessions#create'
|
|
318
|
-
|
|
319
|
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delete '/logout', to: 'sessions#destroy'
|
|
320
|
-
|
|
321
|
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get 'user/likes', to: 'users#likes'
|
|
322
|
-
|
|
323
|
-
resources :users do
|
|
324
|
-
|
|
325
|
-
member do
|
|
326
|
-
|
|
327
|
-
get :following,:followers
|
|
328
|
-
|
|
329
|
-
# memberメソッドを使うと
|
|
330
|
-
|
|
331
|
-
# ユーザーidが含まれてるURlを扱うようになる
|
|
332
|
-
|
|
333
|
-
end
|
|
334
|
-
|
|
335
|
-
end
|
|
336
|
-
|
|
337
|
-
get '/drinks/searchdrink', to: 'drinks#search_drink'
|
|
338
|
-
|
|
339
|
-
resources :drinks, only: [:index,:new,:show,:create,:destroy] do
|
|
340
|
-
|
|
341
|
-
collection do
|
|
342
|
-
|
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343
|
-
get 'search'
|
|
344
|
-
|
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345
|
-
end
|
|
346
|
-
|
|
347
|
-
|
|
348
|
-
|
|
349
|
-
resources :comments,only: :create
|
|
350
|
-
|
|
351
|
-
# あるツイートに対してのコメントと言う
|
|
352
|
-
|
|
353
|
-
# 親子関係を表現したパスが、コメント投稿に必要なリクエストの
|
|
354
|
-
|
|
355
|
-
# パスになります
|
|
356
|
-
|
|
357
|
-
|
|
358
|
-
|
|
359
|
-
resources :trades,only: [:index,:new,:create]
|
|
360
|
-
|
|
361
|
-
end
|
|
362
|
-
|
|
363
|
-
post '/drinks/:id/trades/new', to: 'trades#create'
|
|
364
|
-
|
|
365
|
-
resources :relationships, only: [:create,:destroy]
|
|
366
|
-
|
|
367
|
-
post 'like/:drink_id' ,to: 'likes#like', as: 'like'
|
|
368
|
-
|
|
369
|
-
delete 'like/:drink_id',to: 'likes#unlike', as: 'unlike'
|
|
370
|
-
|
|
371
|
-
end
|
|
372
|
-
|
|
373
|
-
|
|
374
|
-
|
|
375
|
-
```
|
|
376
|
-
|
|
377
|
-
|
|
378
|
-
|
|
379
|
-
### 試したこと
|
|
380
|
-
|
|
381
|
-
|
|
382
|
-
|
|
383
|
-
**rails serverのlikes/_like.html.erbで**
|
|
384
|
-
|
|
385
|
-
|
|
386
|
-
|
|
387
|
-
```
|
|
388
|
-
|
|
389
|
-
ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007ff66423e8f0>:0x00007ff66423c5a0>
|
|
390
|
-
|
|
391
|
-
Did you mean? @drink
|
|
392
|
-
|
|
393
|
-
@drinks):
|
|
394
|
-
|
|
395
|
-
1: <div class="like" id="like-link-<%= drink.id %>">
|
|
396
|
-
|
|
397
|
-
2: <% if current_user.likes.find_by(drink_id: drink.id) %>
|
|
398
|
-
|
|
399
|
-
3: <%= link_to unlike_path(drink.id), method: :delete, remote: true do %>
|
|
400
|
-
|
|
401
|
-
4: <div class = "iine__button">❤️<%= drink.likes.count %></div>
|
|
402
|
-
|
|
403
|
-
|
|
404
|
-
|
|
405
|
-
app/views/likes/_like.html.erb:1
|
|
406
|
-
|
|
407
|
-
app/views/likes/unlike.js.erb:1
|
|
408
|
-
|
|
409
|
-
|
|
410
|
-
|
|
411
|
-
|
|
412
|
-
|
|
413
|
-
```
|
|
414
|
-
|
|
415
|
-
|
|
416
|
-
|
|
417
|
-
とあったので、drinkの部分を@drinkに全部変更したら、
|
|
418
|
-
|
|
419
|
-
undefined method `id' for nil:NilClass
|
|
420
|
-
|
|
421
|
-
とエラーが出ました
|
|
422
|
-
|
|
423
|
-
|
|
424
|
-
|
|
425
|
-
パーシャルでローカル変数の受け渡しが上手く行ってない可能性が高いですが、自分はこれ以上わかりませんでした。
|
|
426
|
-
|
|
427
|
-
|
|
428
|
-
|
|
429
|
-
drinkも
|
|
430
|
-
|
|
431
|
-
**drinks/index.html.erb**
|
|
432
|
-
|
|
433
|
-
|
|
434
|
-
|
|
435
|
-
で
|
|
436
|
-
|
|
437
|
-
|
|
438
|
-
|
|
439
|
-
```erb
|
|
440
|
-
|
|
441
|
-
<%= render 'likes/like',locals:{ drink: drink}%>
|
|
442
|
-
|
|
443
|
-
```
|
|
444
|
-
|
|
445
|
-
|
|
446
|
-
|
|
447
|
-
とdrinkをしっかり定義しているので原因がわかりません。
|
|
448
|
-
|
|
449
|
-
|
|
450
|
-
|
|
451
|
-
```erb
|
|
452
|
-
|
|
453
|
-
$(<%= @id_name %>).html('<%= escape_javascript(render("likes/like" ,locals: {drink: @drink})) %>');
|
|
454
|
-
|
|
455
|
-
```
|
|
456
|
-
|
|
457
|
-
|
|
458
|
-
|
|
459
|
-
に元々
|
|
460
|
-
|
|
461
|
-
|
|
462
|
-
|
|
463
|
-
```erb
|
|
464
|
-
|
|
465
419
|
$("<%= @id_name %>").html('<%= escape_javascript(render("likes/like" ,locals: {drink: @drink})) %>');
|
|
466
420
|
|
|
467
421
|
```
|
5
情報の追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -218,233 +218,263 @@
|
|
|
218
218
|
|
|
219
219
|
```erb
|
|
220
220
|
|
|
221
|
+
$(<%= @id_name %>).html('<%= escape_javascript(render("likes/like" ,locals: {drink: @drink})) %>');
|
|
222
|
+
|
|
223
|
+
```
|
|
224
|
+
|
|
225
|
+
|
|
226
|
+
|
|
227
|
+
**likes/unlike.js.erb**
|
|
228
|
+
|
|
229
|
+
|
|
230
|
+
|
|
231
|
+
```erb
|
|
232
|
+
|
|
233
|
+
$(<%= @id_name %>).html('<%= escape_javascript(render("likes/like",locals: {drink: @drink} )) %>');
|
|
234
|
+
|
|
235
|
+
```
|
|
236
|
+
|
|
237
|
+
|
|
238
|
+
|
|
239
|
+
**like_controller**
|
|
240
|
+
|
|
241
|
+
|
|
242
|
+
|
|
243
|
+
```ruby
|
|
244
|
+
|
|
245
|
+
class LikesController < ApplicationController
|
|
246
|
+
|
|
247
|
+
include SessionsHelper
|
|
248
|
+
|
|
249
|
+
|
|
250
|
+
|
|
251
|
+
before_action :set_variables
|
|
252
|
+
|
|
253
|
+
def like
|
|
254
|
+
|
|
255
|
+
|
|
256
|
+
|
|
257
|
+
like = current_user.likes.new(drink_id: @drink.id)
|
|
258
|
+
|
|
259
|
+
#redirect_to drinks_path
|
|
260
|
+
|
|
261
|
+
# jsを用いるので画面遷移は行わない
|
|
262
|
+
|
|
263
|
+
binding.pry
|
|
264
|
+
|
|
265
|
+
like.save
|
|
266
|
+
|
|
267
|
+
end
|
|
268
|
+
|
|
269
|
+
|
|
270
|
+
|
|
271
|
+
def unlike
|
|
272
|
+
|
|
273
|
+
like = current_user.likes.find_by(drink_id: @drink.id)
|
|
274
|
+
|
|
275
|
+
binding.pry
|
|
276
|
+
|
|
277
|
+
like.destroy
|
|
278
|
+
|
|
279
|
+
end
|
|
280
|
+
|
|
281
|
+
|
|
282
|
+
|
|
283
|
+
private
|
|
284
|
+
|
|
285
|
+
|
|
286
|
+
|
|
287
|
+
def set_variables
|
|
288
|
+
|
|
289
|
+
@drink = Drink.find(params[:drink_id])
|
|
290
|
+
|
|
291
|
+
@id_name = "#like-link-#{@drink.id}"
|
|
292
|
+
|
|
293
|
+
end
|
|
294
|
+
|
|
295
|
+
|
|
296
|
+
|
|
297
|
+
end
|
|
298
|
+
|
|
299
|
+
|
|
300
|
+
|
|
301
|
+
```
|
|
302
|
+
|
|
303
|
+
|
|
304
|
+
|
|
305
|
+
**routes.rb**
|
|
306
|
+
|
|
307
|
+
|
|
308
|
+
|
|
309
|
+
```ruby
|
|
310
|
+
|
|
311
|
+
Rails.application.routes.draw do
|
|
312
|
+
|
|
313
|
+
root to: 'drinks#index'
|
|
314
|
+
|
|
315
|
+
get '/login', to: 'sessions#new'
|
|
316
|
+
|
|
317
|
+
post '/login', to: 'sessions#create'
|
|
318
|
+
|
|
319
|
+
delete '/logout', to: 'sessions#destroy'
|
|
320
|
+
|
|
321
|
+
get 'user/likes', to: 'users#likes'
|
|
322
|
+
|
|
323
|
+
resources :users do
|
|
324
|
+
|
|
325
|
+
member do
|
|
326
|
+
|
|
327
|
+
get :following,:followers
|
|
328
|
+
|
|
329
|
+
# memberメソッドを使うと
|
|
330
|
+
|
|
331
|
+
# ユーザーidが含まれてるURlを扱うようになる
|
|
332
|
+
|
|
333
|
+
end
|
|
334
|
+
|
|
335
|
+
end
|
|
336
|
+
|
|
337
|
+
get '/drinks/searchdrink', to: 'drinks#search_drink'
|
|
338
|
+
|
|
339
|
+
resources :drinks, only: [:index,:new,:show,:create,:destroy] do
|
|
340
|
+
|
|
341
|
+
collection do
|
|
342
|
+
|
|
343
|
+
get 'search'
|
|
344
|
+
|
|
345
|
+
end
|
|
346
|
+
|
|
347
|
+
|
|
348
|
+
|
|
349
|
+
resources :comments,only: :create
|
|
350
|
+
|
|
351
|
+
# あるツイートに対してのコメントと言う
|
|
352
|
+
|
|
353
|
+
# 親子関係を表現したパスが、コメント投稿に必要なリクエストの
|
|
354
|
+
|
|
355
|
+
# パスになります
|
|
356
|
+
|
|
357
|
+
|
|
358
|
+
|
|
359
|
+
resources :trades,only: [:index,:new,:create]
|
|
360
|
+
|
|
361
|
+
end
|
|
362
|
+
|
|
363
|
+
post '/drinks/:id/trades/new', to: 'trades#create'
|
|
364
|
+
|
|
365
|
+
resources :relationships, only: [:create,:destroy]
|
|
366
|
+
|
|
367
|
+
post 'like/:drink_id' ,to: 'likes#like', as: 'like'
|
|
368
|
+
|
|
369
|
+
delete 'like/:drink_id',to: 'likes#unlike', as: 'unlike'
|
|
370
|
+
|
|
371
|
+
end
|
|
372
|
+
|
|
373
|
+
|
|
374
|
+
|
|
375
|
+
```
|
|
376
|
+
|
|
377
|
+
|
|
378
|
+
|
|
379
|
+
### 試したこと
|
|
380
|
+
|
|
381
|
+
|
|
382
|
+
|
|
383
|
+
**rails serverのlikes/_like.html.erbで**
|
|
384
|
+
|
|
385
|
+
|
|
386
|
+
|
|
387
|
+
```
|
|
388
|
+
|
|
389
|
+
ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007ff66423e8f0>:0x00007ff66423c5a0>
|
|
390
|
+
|
|
391
|
+
Did you mean? @drink
|
|
392
|
+
|
|
393
|
+
@drinks):
|
|
394
|
+
|
|
395
|
+
1: <div class="like" id="like-link-<%= drink.id %>">
|
|
396
|
+
|
|
397
|
+
2: <% if current_user.likes.find_by(drink_id: drink.id) %>
|
|
398
|
+
|
|
399
|
+
3: <%= link_to unlike_path(drink.id), method: :delete, remote: true do %>
|
|
400
|
+
|
|
401
|
+
4: <div class = "iine__button">❤️<%= drink.likes.count %></div>
|
|
402
|
+
|
|
403
|
+
|
|
404
|
+
|
|
405
|
+
app/views/likes/_like.html.erb:1
|
|
406
|
+
|
|
407
|
+
app/views/likes/unlike.js.erb:1
|
|
408
|
+
|
|
409
|
+
|
|
410
|
+
|
|
411
|
+
|
|
412
|
+
|
|
413
|
+
```
|
|
414
|
+
|
|
415
|
+
|
|
416
|
+
|
|
417
|
+
とあったので、drinkの部分を@drinkに全部変更したら、
|
|
418
|
+
|
|
419
|
+
undefined method `id' for nil:NilClass
|
|
420
|
+
|
|
421
|
+
とエラーが出ました
|
|
422
|
+
|
|
423
|
+
|
|
424
|
+
|
|
425
|
+
パーシャルでローカル変数の受け渡しが上手く行ってない可能性が高いですが、自分はこれ以上わかりませんでした。
|
|
426
|
+
|
|
427
|
+
|
|
428
|
+
|
|
429
|
+
drinkも
|
|
430
|
+
|
|
431
|
+
**drinks/index.html.erb**
|
|
432
|
+
|
|
433
|
+
|
|
434
|
+
|
|
435
|
+
で
|
|
436
|
+
|
|
437
|
+
|
|
438
|
+
|
|
439
|
+
```erb
|
|
440
|
+
|
|
441
|
+
<%= render 'likes/like',locals:{ drink: drink}%>
|
|
442
|
+
|
|
443
|
+
```
|
|
444
|
+
|
|
445
|
+
|
|
446
|
+
|
|
447
|
+
とdrinkをしっかり定義しているので原因がわかりません。
|
|
448
|
+
|
|
449
|
+
|
|
450
|
+
|
|
451
|
+
```erb
|
|
452
|
+
|
|
453
|
+
$(<%= @id_name %>).html('<%= escape_javascript(render("likes/like" ,locals: {drink: @drink})) %>');
|
|
454
|
+
|
|
455
|
+
```
|
|
456
|
+
|
|
457
|
+
|
|
458
|
+
|
|
459
|
+
に元々
|
|
460
|
+
|
|
461
|
+
|
|
462
|
+
|
|
463
|
+
```erb
|
|
464
|
+
|
|
221
465
|
$("<%= @id_name %>").html('<%= escape_javascript(render("likes/like" ,locals: {drink: @drink})) %>');
|
|
222
466
|
|
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223
467
|
```
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224
468
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225
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-
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-
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227
|
-
**likes/unlike.js.erb**
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-
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-
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-
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-
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469
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+
このように
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-
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-
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470
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+
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234
|
-
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235
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-
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471
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+
ダブルクォーテーションを入れてたのですが、
|
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-
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237
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-
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238
|
-
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472
|
+
|
|
239
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-
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473
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+
likes_contorollerで
|
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240
|
-
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241
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-
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242
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-
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243
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-
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474
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+
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244
|
-
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|
-
class LikesController < ApplicationController
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-
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-
include SessionsHelper
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-
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250
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-
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-
before_action :set_variables
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-
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|
-
def like
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|
-
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-
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256
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-
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257
|
-
like = current_user.likes.new(drink_id: @drink.id)
|
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-
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#redirect_to drinks_path
|
|
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-
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# jsを用いるので画面遷移は行わない
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|
-
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263
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binding.pry
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|
-
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265
|
-
like.save
|
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266
|
-
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|
267
|
-
end
|
|
268
|
-
|
|
269
|
-
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|
270
|
-
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|
271
|
-
def unlike
|
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272
|
-
|
|
273
|
-
like = current_user.likes.find_by(drink_id: @drink.id)
|
|
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|
-
|
|
275
|
-
binding.pry
|
|
276
|
-
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277
|
-
like.destroy
|
|
278
|
-
|
|
279
|
-
end
|
|
280
|
-
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|
281
|
-
|
|
282
|
-
|
|
283
|
-
private
|
|
284
|
-
|
|
285
|
-
|
|
286
|
-
|
|
287
|
-
def set_variables
|
|
288
|
-
|
|
289
|
-
@drink = Drink.find(params[:drink_id])
|
|
290
|
-
|
|
291
|
-
|
|
475
|
+
@id_name = "#like-link-#{@drink.id}"
|
|
292
|
-
|
|
293
|
-
|
|
476
|
+
|
|
294
|
-
|
|
295
|
-
|
|
296
|
-
|
|
297
|
-
end
|
|
298
|
-
|
|
299
|
-
|
|
300
|
-
|
|
301
|
-
```
|
|
302
|
-
|
|
303
|
-
|
|
304
|
-
|
|
305
|
-
**routes.rb**
|
|
306
|
-
|
|
307
|
-
|
|
308
|
-
|
|
309
|
-
```ruby
|
|
310
|
-
|
|
311
|
-
Rails.application.routes.draw do
|
|
312
|
-
|
|
313
|
-
root to: 'drinks#index'
|
|
314
|
-
|
|
315
|
-
get '/login', to: 'sessions#new'
|
|
316
|
-
|
|
317
|
-
post '/login', to: 'sessions#create'
|
|
318
|
-
|
|
319
|
-
delete '/logout', to: 'sessions#destroy'
|
|
320
|
-
|
|
321
|
-
get 'user/likes', to: 'users#likes'
|
|
322
|
-
|
|
323
|
-
resources :users do
|
|
324
|
-
|
|
325
|
-
member do
|
|
326
|
-
|
|
327
|
-
get :following,:followers
|
|
328
|
-
|
|
329
|
-
# memberメソッドを使うと
|
|
330
|
-
|
|
331
|
-
# ユーザーidが含まれてるURlを扱うようになる
|
|
332
|
-
|
|
333
|
-
end
|
|
334
|
-
|
|
335
|
-
end
|
|
336
|
-
|
|
337
|
-
get '/drinks/searchdrink', to: 'drinks#search_drink'
|
|
338
|
-
|
|
339
|
-
resources :drinks, only: [:index,:new,:show,:create,:destroy] do
|
|
340
|
-
|
|
341
|
-
collection do
|
|
342
|
-
|
|
343
|
-
get 'search'
|
|
344
|
-
|
|
345
|
-
end
|
|
346
|
-
|
|
347
|
-
|
|
348
|
-
|
|
349
|
-
resources :comments,only: :create
|
|
350
|
-
|
|
351
|
-
# あるツイートに対してのコメントと言う
|
|
352
|
-
|
|
353
|
-
# 親子関係を表現したパスが、コメント投稿に必要なリクエストの
|
|
354
|
-
|
|
355
|
-
# パスになります
|
|
356
|
-
|
|
357
|
-
|
|
358
|
-
|
|
359
|
-
resources :trades,only: [:index,:new,:create]
|
|
360
|
-
|
|
361
|
-
end
|
|
362
|
-
|
|
363
|
-
post '/drinks/:id/trades/new', to: 'trades#create'
|
|
364
|
-
|
|
365
|
-
resources :relationships, only: [:create,:destroy]
|
|
366
|
-
|
|
367
|
-
post 'like/:drink_id' ,to: 'likes#like', as: 'like'
|
|
368
|
-
|
|
369
|
-
delete 'like/:drink_id',to: 'likes#unlike', as: 'unlike'
|
|
370
|
-
|
|
371
|
-
end
|
|
372
|
-
|
|
373
|
-
|
|
374
|
-
|
|
375
|
-
```
|
|
376
|
-
|
|
377
|
-
|
|
378
|
-
|
|
379
|
-
### 試したこと
|
|
380
|
-
|
|
381
|
-
|
|
382
|
-
|
|
383
|
-
**rails serverのlikes/_like.html.erbで**
|
|
384
|
-
|
|
385
|
-
|
|
386
|
-
|
|
387
|
-
```
|
|
388
|
-
|
|
389
|
-
ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007ff66423e8f0>:0x00007ff66423c5a0>
|
|
390
|
-
|
|
391
|
-
Did you mean? @drink
|
|
392
|
-
|
|
393
|
-
@drinks):
|
|
394
|
-
|
|
395
|
-
1: <div class="like" id="like-link-<%= drink.id %>">
|
|
396
|
-
|
|
397
|
-
2: <% if current_user.likes.find_by(drink_id: drink.id) %>
|
|
398
|
-
|
|
399
|
-
3: <%= link_to unlike_path(drink.id), method: :delete, remote: true do %>
|
|
400
|
-
|
|
401
|
-
4: <div class = "iine__button">❤️<%= drink.likes.count %></div>
|
|
402
|
-
|
|
403
|
-
|
|
404
|
-
|
|
405
|
-
app/views/likes/_like.html.erb:1
|
|
406
|
-
|
|
407
|
-
app/views/likes/unlike.js.erb:1
|
|
408
|
-
|
|
409
|
-
|
|
410
|
-
|
|
411
|
-
|
|
412
|
-
|
|
413
|
-
```
|
|
414
|
-
|
|
415
|
-
|
|
416
|
-
|
|
417
|
-
と
|
|
477
|
+
と定義してたので、ダブルクォーテーションを外しても結果は変わりませんでした
|
|
418
|
-
|
|
419
|
-
undefined method `id' for nil:NilClass
|
|
420
|
-
|
|
421
|
-
とエラーが出ました
|
|
422
|
-
|
|
423
|
-
|
|
424
|
-
|
|
425
|
-
パーシャルでローカル変数の受け渡しが上手く行ってない可能性が高いですが、自分はこれ以上わかりませんでした。
|
|
426
|
-
|
|
427
|
-
|
|
428
|
-
|
|
429
|
-
drinkも
|
|
430
|
-
|
|
431
|
-
**drinks/index.html.erb**
|
|
432
|
-
|
|
433
|
-
|
|
434
|
-
|
|
435
|
-
で
|
|
436
|
-
|
|
437
|
-
|
|
438
|
-
|
|
439
|
-
```erb
|
|
440
|
-
|
|
441
|
-
<%= render 'likes/like',locals:{ drink: drink}%>
|
|
442
|
-
|
|
443
|
-
```
|
|
444
|
-
|
|
445
|
-
|
|
446
|
-
|
|
447
|
-
とdrinkをしっかり定義しているので原因がわかりません。
|
|
448
478
|
|
|
449
479
|
|
|
450
480
|
|
4
情報の追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -446,4 +446,12 @@
|
|
|
446
446
|
|
|
447
447
|
とdrinkをしっかり定義しているので原因がわかりません。
|
|
448
448
|
|
|
449
|
+
|
|
450
|
+
|
|
451
|
+
また、binding.pry（デバッガーツール）で
|
|
452
|
+
|
|
453
|
+
likes_contorollerのiike,unlikeアクションはしっかり反応して、処理を止めてくれて、変数の中身にしっかり値が入ってくれました。
|
|
454
|
+
|
|
455
|
+
|
|
456
|
+
|
|
449
457
|
御回答いただければ幸いです。
|
3
情報の追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -386,13 +386,29 @@
|
|
|
386
386
|
|
|
387
387
|
```
|
|
388
388
|
|
|
389
|
-
ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007f
|
|
389
|
+
ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007ff66423e8f0>:0x00007ff66423c5a0>
|
|
390
|
-
|
|
390
|
+
|
|
391
|
-
Did you mean? @drink
|
|
391
|
+
Did you mean? @drink
|
|
392
|
+
|
|
393
|
+
@drinks):
|
|
392
394
|
|
|
393
395
|
1: <div class="like" id="like-link-<%= drink.id %>">
|
|
394
396
|
|
|
395
|
-
2: <% if current_user.likes.find_by(drink_id: drin
|
|
397
|
+
2: <% if current_user.likes.find_by(drink_id: drink.id) %>
|
|
398
|
+
|
|
399
|
+
3: <%= link_to unlike_path(drink.id), method: :delete, remote: true do %>
|
|
400
|
+
|
|
401
|
+
4: <div class = "iine__button">❤️<%= drink.likes.count %></div>
|
|
402
|
+
|
|
403
|
+
|
|
404
|
+
|
|
405
|
+
app/views/likes/_like.html.erb:1
|
|
406
|
+
|
|
407
|
+
app/views/likes/unlike.js.erb:1
|
|
408
|
+
|
|
409
|
+
|
|
410
|
+
|
|
411
|
+
|
|
396
412
|
|
|
397
413
|
```
|
|
398
414
|
|
2
最新のコードへ変更
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -250,7 +250,7 @@
|
|
|
250
250
|
|
|
251
251
|
before_action :set_variables
|
|
252
252
|
|
|
253
|
-
def
|
|
253
|
+
def like
|
|
254
254
|
|
|
255
255
|
|
|
256
256
|
|
|
@@ -268,7 +268,7 @@
|
|
|
268
268
|
|
|
269
269
|
|
|
270
270
|
|
|
271
|
-
def
|
|
271
|
+
def unlike
|
|
272
272
|
|
|
273
273
|
like = current_user.likes.find_by(drink_id: @drink.id)
|
|
274
274
|
|
1
最新のコードへ変更
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -28,15 +28,13 @@
|
|
|
28
28
|
|
|
29
29
|
```
|
|
30
30
|
|
|
31
|
-
↳ app/controllers/likes_controller.rb:23:in `set_variables'
|
|
32
|
-
|
|
33
|
-
|
|
31
|
+
↳ app/views/likes/like.js.erb:1
|
|
34
|
-
|
|
32
|
+
|
|
35
|
-
Rendered likes/_like.html.erb (Duration:
|
|
33
|
+
Rendered likes/_like.html.erb (Duration: 464.9ms | Allocations: 199855)
|
|
36
|
-
|
|
34
|
+
|
|
37
|
-
Rendered likes/like.js.erb (Duration:
|
|
35
|
+
Rendered likes/like.js.erb (Duration: 465.6ms | Allocations: 200200)
|
|
38
|
-
|
|
36
|
+
|
|
39
|
-
Completed 500 Internal Server Error in
|
|
37
|
+
Completed 500 Internal Server Error in 14458ms (ActiveRecord: 2.9ms | Allocations: 220526)
|
|
40
38
|
|
|
41
39
|
|
|
42
40
|
|
|
@@ -44,384 +42,386 @@
|
|
|
44
42
|
|
|
45
43
|
|
|
46
44
|
|
|
45
|
+
ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007ff892254698>:0x00007ff8ace00bd0>
|
|
46
|
+
|
|
47
|
+
Did you mean? @drink
|
|
48
|
+
|
|
49
|
+
@drinks):
|
|
50
|
+
|
|
51
|
+
1: <div class="like" id="like-link-<%= drink.id %>">
|
|
52
|
+
|
|
53
|
+
2: <% if current_user.likes.find_by(drink_id: drink.id) %>
|
|
54
|
+
|
|
55
|
+
3: <%= link_to unlike_path(drink.id), method: :delete, remote: true do %>
|
|
56
|
+
|
|
57
|
+
4: <div class = "iine__button">❤️<%= drink.likes.count %></div>
|
|
58
|
+
|
|
59
|
+
|
|
60
|
+
|
|
61
|
+
app/views/likes/_like.html.erb:1
|
|
62
|
+
|
|
63
|
+
app/views/likes/like.js.erb:1
|
|
64
|
+
|
|
65
|
+
```
|
|
66
|
+
|
|
67
|
+
|
|
68
|
+
|
|
69
|
+
またFailed to load resource: the server responded with a status of 500 (Internal Server Error)というエラーもコンソール上で確認できました。
|
|
70
|
+
|
|
71
|
+
|
|
72
|
+
|
|
73
|
+
このようなエラーがおきました
|
|
74
|
+
|
|
75
|
+
|
|
76
|
+
|
|
77
|
+
### 該当のソースコード
|
|
78
|
+
|
|
79
|
+
|
|
80
|
+
|
|
81
|
+
**drinks/index.erb**
|
|
82
|
+
|
|
83
|
+
|
|
84
|
+
|
|
85
|
+
```ruby
|
|
86
|
+
|
|
87
|
+
<% @drinks.each do |drink|%>
|
|
88
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+
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89
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+
<li class='list'>
|
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90
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+
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91
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+
<%= link_to drink_path(drink.id) do %>
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92
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+
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93
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+
<%= link_to user_path(drink.user.id) do%>
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95
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<div class="user-info-timeline">
|
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+
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<%=image_tag drink.user.image.variant(resize: '60x60'),class: "user-img-timeline" if drink.user.image.attached?%>
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<div class="username-timeline">
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+
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<%= drink.user.nickname %>
|
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</div>
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</div>
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|
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<% end %>
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|
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<div class='item-img-content'>
|
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|
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<%= image_tag drink.image , class: "item-img" if drink.image.attached? %>
|
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+
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+
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<%# if drink.trade%>
|
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<%# end %>
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|
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</div>
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+
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<div class='item-info'>
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|
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<h3 class='item-name'>
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<%= drink.name %>
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</h3>
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<div class='item-price'>
|
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|
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|
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<span><%= drink.price %>円<br>(税込み)</span>
|
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138
|
+
|
|
139
|
+
<div class='star-btn'>
|
|
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|
+
|
|
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|
+
<%# image_tag "star.png", class:"star-icon" %>
|
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|
+
|
|
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|
+
<span class='star-count'>0</span>
|
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|
+
|
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|
+
</div>
|
|
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|
+
|
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|
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</div>
|
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|
+
|
|
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|
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<div class='item-explain'>
|
|
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|
+
|
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151
|
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<%= drink.explain%>
|
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|
+
|
|
153
|
+
</div>
|
|
154
|
+
|
|
155
|
+
<div class='item-tag'>
|
|
156
|
+
|
|
157
|
+
<% drink.tags.each do |tag| %>
|
|
158
|
+
|
|
159
|
+
#<%=tag.tag_name%>
|
|
160
|
+
|
|
161
|
+
<%end%>
|
|
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|
+
|
|
163
|
+
</div>
|
|
164
|
+
|
|
165
|
+
<%= render 'likes/like', locals: {drink: drink}%>
|
|
166
|
+
|
|
167
|
+
</div>
|
|
168
|
+
|
|
169
|
+
|
|
170
|
+
|
|
171
|
+
<% end %>
|
|
172
|
+
|
|
173
|
+
```
|
|
174
|
+
|
|
175
|
+
|
|
176
|
+
|
|
177
|
+
|
|
178
|
+
|
|
179
|
+
|
|
180
|
+
|
|
181
|
+
**likes/_like.html.erb**
|
|
182
|
+
|
|
183
|
+
|
|
184
|
+
|
|
185
|
+
```ruby
|
|
186
|
+
|
|
187
|
+
<div class="like" id="like-link-<%= drink.id %>">
|
|
188
|
+
|
|
189
|
+
<% if current_user.likes.find_by(drink_id: drink.id) %>
|
|
190
|
+
|
|
191
|
+
<%= link_to unlike_path(drink.id), method: :delete, remote: true do %>
|
|
192
|
+
|
|
193
|
+
<div class = "iine__button">❤️<%= drink.likes.count %></div>
|
|
194
|
+
|
|
195
|
+
<% end %>
|
|
196
|
+
|
|
197
|
+
<% else %>
|
|
198
|
+
|
|
199
|
+
<%= link_to like_path(drink.id), method: :post, remote: true do %>
|
|
200
|
+
|
|
201
|
+
<div class = "iine__button">♡️<%= drink.likes.count %></div>
|
|
202
|
+
|
|
203
|
+
<% end %>
|
|
204
|
+
|
|
205
|
+
<% end %>
|
|
206
|
+
|
|
207
|
+
</div>
|
|
208
|
+
|
|
209
|
+
|
|
210
|
+
|
|
211
|
+
```
|
|
212
|
+
|
|
213
|
+
|
|
214
|
+
|
|
215
|
+
**likes/like.js.erb**
|
|
216
|
+
|
|
217
|
+
|
|
218
|
+
|
|
219
|
+
```erb
|
|
220
|
+
|
|
221
|
+
$("<%= @id_name %>").html('<%= escape_javascript(render("likes/like" ,locals: {drink: @drink})) %>');
|
|
222
|
+
|
|
223
|
+
```
|
|
224
|
+
|
|
225
|
+
|
|
226
|
+
|
|
227
|
+
**likes/unlike.js.erb**
|
|
228
|
+
|
|
229
|
+
|
|
230
|
+
|
|
231
|
+
```erb
|
|
232
|
+
|
|
233
|
+
$("<%= @id_name %>").html('<%= escape_javascript(render("likes/like",locals: {drink: @drink} )) %>');
|
|
234
|
+
|
|
235
|
+
```
|
|
236
|
+
|
|
237
|
+
|
|
238
|
+
|
|
239
|
+
**like_controller**
|
|
240
|
+
|
|
241
|
+
|
|
242
|
+
|
|
243
|
+
```ruby
|
|
244
|
+
|
|
245
|
+
class LikesController < ApplicationController
|
|
246
|
+
|
|
247
|
+
include SessionsHelper
|
|
248
|
+
|
|
249
|
+
|
|
250
|
+
|
|
251
|
+
before_action :set_variables
|
|
252
|
+
|
|
253
|
+
def create
|
|
254
|
+
|
|
255
|
+
|
|
256
|
+
|
|
257
|
+
like = current_user.likes.new(drink_id: @drink.id)
|
|
258
|
+
|
|
259
|
+
#redirect_to drinks_path
|
|
260
|
+
|
|
261
|
+
# jsを用いるので画面遷移は行わない
|
|
262
|
+
|
|
263
|
+
binding.pry
|
|
264
|
+
|
|
265
|
+
like.save
|
|
266
|
+
|
|
267
|
+
end
|
|
268
|
+
|
|
269
|
+
|
|
270
|
+
|
|
271
|
+
def destroy
|
|
272
|
+
|
|
273
|
+
like = current_user.likes.find_by(drink_id: @drink.id)
|
|
274
|
+
|
|
275
|
+
binding.pry
|
|
276
|
+
|
|
277
|
+
like.destroy
|
|
278
|
+
|
|
279
|
+
end
|
|
280
|
+
|
|
281
|
+
|
|
282
|
+
|
|
283
|
+
private
|
|
284
|
+
|
|
285
|
+
|
|
286
|
+
|
|
287
|
+
def set_variables
|
|
288
|
+
|
|
289
|
+
@drink = Drink.find(params[:drink_id])
|
|
290
|
+
|
|
291
|
+
@id_name = "#like-link-#{@drink.id}"
|
|
292
|
+
|
|
293
|
+
end
|
|
294
|
+
|
|
295
|
+
|
|
296
|
+
|
|
297
|
+
end
|
|
298
|
+
|
|
299
|
+
|
|
300
|
+
|
|
301
|
+
```
|
|
302
|
+
|
|
303
|
+
|
|
304
|
+
|
|
305
|
+
**routes.rb**
|
|
306
|
+
|
|
307
|
+
|
|
308
|
+
|
|
309
|
+
```ruby
|
|
310
|
+
|
|
311
|
+
Rails.application.routes.draw do
|
|
312
|
+
|
|
313
|
+
root to: 'drinks#index'
|
|
314
|
+
|
|
315
|
+
get '/login', to: 'sessions#new'
|
|
316
|
+
|
|
317
|
+
post '/login', to: 'sessions#create'
|
|
318
|
+
|
|
319
|
+
delete '/logout', to: 'sessions#destroy'
|
|
320
|
+
|
|
321
|
+
get 'user/likes', to: 'users#likes'
|
|
322
|
+
|
|
323
|
+
resources :users do
|
|
324
|
+
|
|
325
|
+
member do
|
|
326
|
+
|
|
327
|
+
get :following,:followers
|
|
328
|
+
|
|
329
|
+
# memberメソッドを使うと
|
|
330
|
+
|
|
331
|
+
# ユーザーidが含まれてるURlを扱うようになる
|
|
332
|
+
|
|
333
|
+
end
|
|
334
|
+
|
|
335
|
+
end
|
|
336
|
+
|
|
337
|
+
get '/drinks/searchdrink', to: 'drinks#search_drink'
|
|
338
|
+
|
|
339
|
+
resources :drinks, only: [:index,:new,:show,:create,:destroy] do
|
|
340
|
+
|
|
341
|
+
collection do
|
|
342
|
+
|
|
343
|
+
get 'search'
|
|
344
|
+
|
|
345
|
+
end
|
|
346
|
+
|
|
347
|
+
|
|
348
|
+
|
|
349
|
+
resources :comments,only: :create
|
|
350
|
+
|
|
351
|
+
# あるツイートに対してのコメントと言う
|
|
352
|
+
|
|
353
|
+
# 親子関係を表現したパスが、コメント投稿に必要なリクエストの
|
|
354
|
+
|
|
355
|
+
# パスになります
|
|
356
|
+
|
|
357
|
+
|
|
358
|
+
|
|
359
|
+
resources :trades,only: [:index,:new,:create]
|
|
360
|
+
|
|
361
|
+
end
|
|
362
|
+
|
|
363
|
+
post '/drinks/:id/trades/new', to: 'trades#create'
|
|
364
|
+
|
|
365
|
+
resources :relationships, only: [:create,:destroy]
|
|
366
|
+
|
|
367
|
+
post 'like/:drink_id' ,to: 'likes#like', as: 'like'
|
|
368
|
+
|
|
369
|
+
delete 'like/:drink_id',to: 'likes#unlike', as: 'unlike'
|
|
370
|
+
|
|
371
|
+
end
|
|
372
|
+
|
|
373
|
+
|
|
374
|
+
|
|
375
|
+
```
|
|
376
|
+
|
|
377
|
+
|
|
378
|
+
|
|
379
|
+
### 試したこと
|
|
380
|
+
|
|
381
|
+
|
|
382
|
+
|
|
383
|
+
**rails serverのlikes/_like.html.erbで**
|
|
384
|
+
|
|
385
|
+
|
|
386
|
+
|
|
387
|
+
```
|
|
388
|
+
|
|
47
389
|
ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007fce4fa14a08>:0x00007fce4fa1c8e8>
|
|
48
390
|
|
|
49
391
|
Did you mean? @drink):
|
|
50
392
|
|
|
51
393
|
1: <div class="like" id="like-link-<%= drink.id %>">
|
|
52
394
|
|
|
53
|
-
2: <% if current_user.likes.find_by(drink_id: drin
|
|
54
|
-
|
|
55
|
-
|
|
56
|
-
|
|
57
|
-
|
|
58
|
-
|
|
59
|
-
|
|
60
|
-
|
|
61
|
-
|
|
62
|
-
|
|
63
|
-
|
|
64
|
-
|
|
65
|
-
|
|
66
|
-
|
|
67
|
-
|
|
68
|
-
|
|
69
|
-
|
|
70
|
-
|
|
71
|
-
|
|
72
|
-
|
|
73
|
-
|
|
74
|
-
|
|
75
|
-
|
|
76
|
-
|
|
77
|
-
|
|
78
|
-
|
|
79
|
-
|
|
80
|
-
|
|
81
|
-
**drinks/index.erb**
|
|
82
|
-
|
|
83
|
-
|
|
84
|
-
|
|
85
|
-
```ruby
|
|
86
|
-
|
|
87
|
-
<% @drinks.each do |drink|%>
|
|
88
|
-
|
|
89
|
-
<li class='list'>
|
|
90
|
-
|
|
91
|
-
<%= link_to drink_path(drink.id) do %>
|
|
92
|
-
|
|
93
|
-
<%= link_to user_path(drink.user.id) do%>
|
|
94
|
-
|
|
95
|
-
<div class="user-info-timeline">
|
|
96
|
-
|
|
97
|
-
<%=image_tag drink.user.image.variant(resize: '60x60'),class: "user-img-timeline" if drink.user.image.attached?%>
|
|
98
|
-
|
|
99
|
-
<div class="username-timeline">
|
|
100
|
-
|
|
101
|
-
<%= drink.user.nickname %>
|
|
102
|
-
|
|
103
|
-
</div>
|
|
104
|
-
|
|
105
|
-
</div>
|
|
106
|
-
|
|
107
|
-
<% end %>
|
|
108
|
-
|
|
109
|
-
<div class='item-img-content'>
|
|
110
|
-
|
|
111
|
-
<%= image_tag drink.image , class: "item-img" if drink.image.attached? %>
|
|
112
|
-
|
|
113
|
-
|
|
114
|
-
|
|
115
|
-
<%# if drink.trade%>
|
|
116
|
-
|
|
117
|
-
|
|
118
|
-
|
|
119
|
-
|
|
120
|
-
|
|
121
|
-
|
|
122
|
-
|
|
123
|
-
<%# end %>
|
|
124
|
-
|
|
125
|
-
</div>
|
|
126
|
-
|
|
127
|
-
<div class='item-info'>
|
|
128
|
-
|
|
129
|
-
<h3 class='item-name'>
|
|
130
|
-
|
|
131
|
-
<%= drink.name %>
|
|
132
|
-
|
|
133
|
-
</h3>
|
|
134
|
-
|
|
135
|
-
<div class='item-price'>
|
|
136
|
-
|
|
137
|
-
<span><%= drink.price %>円<br>(税込み)</span>
|
|
138
|
-
|
|
139
|
-
<div class='star-btn'>
|
|
140
|
-
|
|
141
|
-
<%# image_tag "star.png", class:"star-icon" %>
|
|
142
|
-
|
|
143
|
-
<span class='star-count'>0</span>
|
|
144
|
-
|
|
145
|
-
</div>
|
|
146
|
-
|
|
147
|
-
</div>
|
|
148
|
-
|
|
149
|
-
<div class='item-explain'>
|
|
150
|
-
|
|
151
|
-
<%= drink.explain%>
|
|
152
|
-
|
|
153
|
-
</div>
|
|
154
|
-
|
|
155
|
-
<div class='item-tag'>
|
|
156
|
-
|
|
157
|
-
<% drink.tags.each do |tag| %>
|
|
158
|
-
|
|
159
|
-
#<%=tag.tag_name%>
|
|
160
|
-
|
|
161
|
-
<%end%>
|
|
162
|
-
|
|
163
|
-
</div>
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<%= render 'likes/like', locals: {drink: drink}%>
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</div>
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<% end %>
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```
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**likes/_like.html.erb**
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-
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183
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184
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185
|
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```ruby
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186
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-
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|
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<div class="like" id="like-link-<%= drink.id %>">
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188
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<% if current_user.likes.find_by(drink_id: drink.id) %>
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190
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-
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191
|
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<%= link_to unlike_path(drink.id), method: :delete, remote: true do %>
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-
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193
|
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<div class = "iine__button">❤️<%= drink.likes.count %></div>
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|
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<% end %>
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196
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-
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|
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<% else %>
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198
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199
|
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<%= link_to like_path(drink.id), method: :post, remote: true do %>
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200
|
-
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|
201
|
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<div class = "iine__button">♡️<%= drink.likes.count %></div>
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-
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<% end %>
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204
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<% end %>
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</div>
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209
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210
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```
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212
|
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213
|
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214
|
-
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|
215
|
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**likes/like.js.erb**
|
|
395
|
+
2: <% if current_user.likes.find_by(drink_id: drin
|
|
396
|
+
|
|
397
|
+
```
|
|
398
|
+
|
|
399
|
+
|
|
400
|
+
|
|
401
|
+
とあったので、drinkの部分を@drinkに全部変更したら、
|
|
402
|
+
|
|
403
|
+
undefined method `id' for nil:NilClass
|
|
404
|
+
|
|
405
|
+
とエラーが出ました
|
|
406
|
+
|
|
407
|
+
|
|
408
|
+
|
|
409
|
+
パーシャルでローカル変数の受け渡しが上手く行ってない可能性が高いですが、自分はこれ以上わかりませんでした。
|
|
410
|
+
|
|
411
|
+
|
|
412
|
+
|
|
413
|
+
drinkも
|
|
414
|
+
|
|
415
|
+
**drinks/index.html.erb**
|
|
416
|
+
|
|
417
|
+
|
|
418
|
+
|
|
419
|
+
で
|
|
216
420
|
|
|
217
421
|
|
|
218
422
|
|
|
219
423
|
```erb
|
|
220
424
|
|
|
221
|
-
$("<%= @id_name %>").html('<%= escape_javascript(render("likes/like" ,locals: {drink: @drink})) %>');
|
|
222
|
-
|
|
223
|
-
```
|
|
224
|
-
|
|
225
|
-
|
|
226
|
-
|
|
227
|
-
**likes/unlike.js.erb**
|
|
228
|
-
|
|
229
|
-
|
|
230
|
-
|
|
231
|
-
```erb
|
|
232
|
-
|
|
233
|
-
$("<%= @id_name %>").html('<%= escape_javascript(render("likes/like",locals: {drink: @drink} )) %>');
|
|
234
|
-
|
|
235
|
-
```
|
|
236
|
-
|
|
237
|
-
|
|
238
|
-
|
|
239
|
-
**like_controller**
|
|
240
|
-
|
|
241
|
-
|
|
242
|
-
|
|
243
|
-
```ruby
|
|
244
|
-
|
|
245
|
-
class LikesController < ApplicationController
|
|
246
|
-
|
|
247
|
-
include SessionsHelper
|
|
248
|
-
|
|
249
|
-
|
|
250
|
-
|
|
251
|
-
before_action :set_variables
|
|
252
|
-
|
|
253
|
-
def create
|
|
254
|
-
|
|
255
|
-
|
|
256
|
-
|
|
257
|
-
like = current_user.likes.new(drink_id: drink.id)
|
|
258
|
-
|
|
259
|
-
#redirect_to drinks_path
|
|
260
|
-
|
|
261
|
-
# jsを用いるので画面遷移は行わない
|
|
262
|
-
|
|
263
|
-
binding.pry
|
|
264
|
-
|
|
265
|
-
like.save
|
|
266
|
-
|
|
267
|
-
end
|
|
268
|
-
|
|
269
|
-
|
|
270
|
-
|
|
271
|
-
def destroy
|
|
272
|
-
|
|
273
|
-
like = current_user.likes.find_by(drink_id: drink.id)
|
|
274
|
-
|
|
275
|
-
binding.pry
|
|
276
|
-
|
|
277
|
-
like.destroy
|
|
278
|
-
|
|
279
|
-
end
|
|
280
|
-
|
|
281
|
-
|
|
282
|
-
|
|
283
|
-
private
|
|
284
|
-
|
|
285
|
-
|
|
286
|
-
|
|
287
|
-
def set_variables
|
|
288
|
-
|
|
289
|
-
@drink = Drink.find(params[:drink_id])
|
|
290
|
-
|
|
291
|
-
@id_name = "#like-link-#{@drink.id}"
|
|
292
|
-
|
|
293
|
-
end
|
|
294
|
-
|
|
295
|
-
|
|
296
|
-
|
|
297
|
-
end
|
|
298
|
-
|
|
299
|
-
|
|
300
|
-
|
|
301
|
-
```
|
|
302
|
-
|
|
303
|
-
|
|
304
|
-
|
|
305
|
-
**routes.rb**
|
|
306
|
-
|
|
307
|
-
|
|
308
|
-
|
|
309
|
-
```ruby
|
|
310
|
-
|
|
311
|
-
Rails.application.routes.draw do
|
|
312
|
-
|
|
313
|
-
root to: 'drinks#index'
|
|
314
|
-
|
|
315
|
-
get '/login', to: 'sessions#new'
|
|
316
|
-
|
|
317
|
-
post '/login', to: 'sessions#create'
|
|
318
|
-
|
|
319
|
-
delete '/logout', to: 'sessions#destroy'
|
|
320
|
-
|
|
321
|
-
get 'user/likes', to: 'users#likes'
|
|
322
|
-
|
|
323
|
-
resources :users do
|
|
324
|
-
|
|
325
|
-
member do
|
|
326
|
-
|
|
327
|
-
get :following,:followers
|
|
328
|
-
|
|
329
|
-
# memberメソッドを使うと
|
|
330
|
-
|
|
331
|
-
# ユーザーidが含まれてるURlを扱うようになる
|
|
332
|
-
|
|
333
|
-
end
|
|
334
|
-
|
|
335
|
-
end
|
|
336
|
-
|
|
337
|
-
get '/drinks/searchdrink', to: 'drinks#search_drink'
|
|
338
|
-
|
|
339
|
-
resources :drinks, only: [:index,:new,:show,:create,:destroy] do
|
|
340
|
-
|
|
341
|
-
collection do
|
|
342
|
-
|
|
343
|
-
get 'search'
|
|
344
|
-
|
|
345
|
-
end
|
|
346
|
-
|
|
347
|
-
|
|
348
|
-
|
|
349
|
-
resources :comments,only: :create
|
|
350
|
-
|
|
351
|
-
# あるツイートに対してのコメントと言う
|
|
352
|
-
|
|
353
|
-
# 親子関係を表現したパスが、コメント投稿に必要なリクエストの
|
|
354
|
-
|
|
355
|
-
# パスになります
|
|
356
|
-
|
|
357
|
-
|
|
358
|
-
|
|
359
|
-
resources :trades,only: [:index,:new,:create]
|
|
360
|
-
|
|
361
|
-
end
|
|
362
|
-
|
|
363
|
-
post '/drinks/:id/trades/new', to: 'trades#create'
|
|
364
|
-
|
|
365
|
-
resources :relationships, only: [:create,:destroy]
|
|
366
|
-
|
|
367
|
-
post 'like/:drink_id' ,to: 'likes#like', as: 'like'
|
|
368
|
-
|
|
369
|
-
delete 'like/:drink_id',to: 'likes#unlike', as: 'unlike'
|
|
370
|
-
|
|
371
|
-
end
|
|
372
|
-
|
|
373
|
-
|
|
374
|
-
|
|
375
|
-
```
|
|
376
|
-
|
|
377
|
-
|
|
378
|
-
|
|
379
|
-
### 試したこと
|
|
380
|
-
|
|
381
|
-
|
|
382
|
-
|
|
383
|
-
**rails serverのlikes/_like.html.erbで**
|
|
384
|
-
|
|
385
|
-
|
|
386
|
-
|
|
387
|
-
```
|
|
388
|
-
|
|
389
|
-
ActionView::Template::Error (undefined local variable or method `drink' for #<#<Class:0x00007fce4fa14a08>:0x00007fce4fa1c8e8>
|
|
390
|
-
|
|
391
|
-
Did you mean? @drink):
|
|
392
|
-
|
|
393
|
-
1: <div class="like" id="like-link-<%= drink.id %>">
|
|
394
|
-
|
|
395
|
-
2: <% if current_user.likes.find_by(drink_id: drin
|
|
396
|
-
|
|
397
|
-
```
|
|
398
|
-
|
|
399
|
-
|
|
400
|
-
|
|
401
|
-
とあったので、drinkの部分を@drinkに全部変更したら、
|
|
402
|
-
|
|
403
|
-
undefined method `id' for nil:NilClass
|
|
404
|
-
|
|
405
|
-
とエラーが出ました
|
|
406
|
-
|
|
407
|
-
|
|
408
|
-
|
|
409
|
-
パーシャルでローカル変数の受け渡しが上手く行ってない可能性が高いですが、自分はこれ以上わかりませんでした。
|
|
410
|
-
|
|
411
|
-
|
|
412
|
-
|
|
413
|
-
drinkも
|
|
414
|
-
|
|
415
|
-
**drinks/index.html.erb**
|
|
416
|
-
|
|
417
|
-
|
|
418
|
-
|
|
419
|
-
で
|
|
420
|
-
|
|
421
|
-
|
|
422
|
-
|
|
423
|
-
```erb
|
|
424
|
-
|
|
425
425
|
<%= render 'likes/like',locals:{ drink: drink}%>
|
|
426
426
|
|
|
427
427
|
```
|