質問編集履歴
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**undefined method `has_attached_file' for #<Class:0x007fe78b215780>**
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```ここに言語を入力
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//has_attached_file :avatar, styles: {//
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thumb: '100x100>',
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square: '200x200#',
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medium: '300x300>'
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//コメントアウトをしたとこがエラーです！
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```
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rails 5
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gem "paperclip"
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```
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//models/user.rb
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class User < ApplicationRecord
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validates :name, presence: true,uniqueness: true, length: { maximum: 50 }
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validates :email, {presence: true, uniqueness: true}
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has_many :questions
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has_many :answers
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has_many :likes
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# This method associates the attribute ":avatar" with a file attachment
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has_attached_file :avatar, styles: {
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thumb: '100x100>',
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square: '200x200#',
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medium: '300x300>'
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}
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# Validate the attached image is image/jpg, image/png, etc
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validates_attachment_content_type :avatar, :content_type => /\Aimage\/.*\Z/
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def self.from_omniauth(auth)
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where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
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user.email = auth.info.email
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user.password = Devise.friendly_token[0,20]
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user.name = auth.info.name # assuming the user model has a name
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user.image = "http://graph.facebook.com/#{auth.uid}/picture?type=large" # assuming the user model has an image
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# If you are using confirmable and the provider(s) you use validate emails,
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# uncomment the line below to skip the confirmation emails.
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# user.skip_confirmation!
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end
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end
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def questions
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return Question.where(user_id: self.id)
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end
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end
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```
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1
add model
test
CHANGED
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File without changes
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test
CHANGED
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@@ -28,6 +28,90 @@
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28
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```
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//models/user.rb
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class User < ApplicationRecord
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validates :name, presence: true,uniqueness: true, length: { maximum: 50 }
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validates :email, {presence: true, uniqueness: true}
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has_many :questions
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has_many :answers
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has_many :likes
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# This method associates the attribute ":avatar" with a file attachment
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has_attached_file :avatar, styles: {
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thumb: '100x100>',
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square: '200x200#',
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medium: '300x300>'
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}
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# Validate the attached image is image/jpg, image/png, etc
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validates_attachment_content_type :avatar, :content_type => /\Aimage\/.*\Z/
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def self.from_omniauth(auth)
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where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
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user.email = auth.info.email
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user.password = Devise.friendly_token[0,20]
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user.name = auth.info.name # assuming the user model has a name
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user.image = "http://graph.facebook.com/#{auth.uid}/picture?type=large" # assuming the user model has an image
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# If you are using confirmable and the provider(s) you use validate emails,
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# uncomment the line below to skip the confirmation emails.
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# user.skip_confirmation!
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end
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end
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def questions
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return Question.where(user_id: self.id)
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end
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end
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```
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has_attached_fileはrails5では対応されていないのでしょうか？
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また、解決法などがありましたら、教えてください！
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