質問編集履歴
2
タイトルの編集
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［Rails5］［
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［Rails5］［要素の並べ替え］フォローしているユーザーの投稿のみタイムラインに表示したい。
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test
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1
モデルを記述しているコードをのせました。
test
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test
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#モデル
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**user.rb**
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```ruby
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class User < ApplicationRecord
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...省略...
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has_many :posts, dependent: :destroy
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has_many :active_relationships, class_name: "Relationship",
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foreign_key: "follower_id",
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dependent: :destroy
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has_many :passive_relationships, class_name: "Relationship",
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foreign_key: "followed_id",
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dependent: :destroy
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has_many :following, through: :active_relationships, source: :followed
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has_many :followers, through: :passive_relationships, source: :follower
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def follow(other_user)
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active_relationships.create(followed_id: other_user.id)
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end
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def unfollow(other_user)
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active_relationships.find_by(followed_id: other_user.id).destroy
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end
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def following?(other_user)
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following.include?(other_user)
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end
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end
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```
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**post.rb**
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```ruby
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class Post < ApplicationRecord
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...省略...
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belongs_to :user
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has_many :likes, dependent: :destroy
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end
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```
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**relationship.rb**
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```ruby
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class Relationship < ApplicationRecord
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belongs_to :follower, class_name: "User"
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belongs_to :followed, class_name: "User"
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validates :follower_id, presence: true
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validates :followed_id, presence: true
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end
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```
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35
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#うまくいっていないコード
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36
152
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37
153
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```slim
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