質問編集履歴
2
モデル追記
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エラーが少し変わって下記のようになりました。
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---
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**【9/27更新】**
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モデルのコードは下記となります。上から「Message」「User」「Like」です。
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```ここに言語を入力
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class Message < ApplicationRecord
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belongs_to :user
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validates :content, presence: true
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has_many :likes
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has_many :liked_users, through: :likes, source: :user
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end
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```
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```ここに言語を入力
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class User < ApplicationRecord
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# Include default devise modules. Others available are:
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# :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
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devise :database_authenticatable, :registerable,
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:recoverable, :rememberable, :validatable
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validates :name, presence: true, uniqueness: true
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has_many :messages
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has_many :likes
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has_many :liked_messages, through: :likes, source: :message
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def already_liked?(message)
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self.likes.exists?(message_id: message.id)
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end
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end
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```
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```ここに言語を入力
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class Like < ApplicationRecord
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belongs_to :message
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belongs_to :user
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validates_uniqueness_of :message_id, scope: :user_id
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end
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```
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1
追記
test
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File without changes
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test
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@@ -101,3 +101,125 @@
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アドバイスを頂ければ幸いでございます。
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---
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**【9/26更新】**
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上記エラー文に「undefined method `message_likes_path'」 とあったので、pathを調べるために、rails routesを確認しました。
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```ここに言語を入力
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Prefix Verb URI Pattern Controller#Action
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new_user_session GET /users/sign_in(.:format) devise/sessions#new
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user_session POST /users/sign_in(.:format) devise/sessions#create
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destroy_user_session DELETE /users/sign_out(.:format) devise/sessions#destroy
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new_user_password GET /users/password/new(.:format) devise/passwords#new
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edit_user_password GET /users/password/edit(.:format) devise/passwords#edit
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user_password PATCH /users/password(.:format) devise/passwords#update
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PUT /users/password(.:format) devise/passwords#update
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POST /users/password(.:format) devise/passwords#create
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cancel_user_registration GET /users/cancel(.:format) devise/registrations#cancel
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new_user_registration GET /users/sign_up(.:format) devise/registrations#new
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edit_user_registration GET /users/edit(.:format) devise/registrations#edit
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user_registration PATCH /users(.:format) devise/registrations#update
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PUT /users(.:format) devise/registrations#update
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DELETE /users(.:format) devise/registrations#destroy
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POST /users(.:format) devise/registrations#create
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root GET / messages#index
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user_message_likes POST /users/:user_id/messages/:message_id/likes(.:format) likes#create
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user_message_like DELETE /users/:user_id/messages/:message_id/likes/:id(.:format) likes#destroy
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user_messages GET /users/:user_id/messages(.:format) messages#index
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POST /users/:user_id/messages(.:format) messages#create
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edit_user GET /users/:id/edit(.:format) users#edit
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user PATCH /users/:id(.:format) users#update
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PUT /users/:id(.:format) users#update
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```
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prefixに「user_message_likes」とあったので、「message_likes_path」を「user_message_likes_path」に変更しました。また追加で、引数を最上部の配列の「m」に変更し、viewファイルを下記のようにしました。
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```ここに言語を入力
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.messages
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- @messages.each do |m|
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.message
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.takerface
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%img{alt: "userface", src: "https://imgc.eximg.jp/i=https%253A%252F%252Fs.eximg.jp%252Fexnews%252Ffeed%252FRen_ai%252FRen_ai_188420_6aed_1.jpg,zoom=600,quality=70,type=jpg"}/
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.contents
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.takername
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= m.user.name + " さんへ"
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.letter
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- if m.content.present?
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%p.lower-message__content
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= m.content
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.credo
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＃仕事好き ＃親身心 ＃人生を変える
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.like
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%h3
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いいね件数: #{m.likes.count}
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- if current_user.already_liked?(m)
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= button_to 'いいねを取り消す', user_message_like_path(m), method: :delete
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- else
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= button_to 'いいね', user_message_likes_path(m)
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%h2 いいねしたユーザー
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- m.liked_users.each do |user|
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%li= user.email
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= link_to "ホームへ戻る", messages_path
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```
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エラーが少し変わって下記のようになりました。
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