質問編集履歴
2
コードの更新
test
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File without changes
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test
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@@ -322,6 +322,40 @@
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user.rb
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```
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328
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class User < ApplicationRecord
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331
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# Include default devise modules. Others available are:
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333
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# :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
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335
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devise :database_authenticatable, :registerable,
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:recoverable, :rememberable, :validatable
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has_many :books, dependent: :destroy
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attachment :profile_image
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validates :name, uniqueness:true, presence: true, length: { minimum: 2, maximum: 20 }
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validates :introduction, length: {maximum: 50 }
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end
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```
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試したこと
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327
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・エラー内容の確認
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1
コードの編集
test
CHANGED
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File without changes
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test
CHANGED
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@@ -292,6 +292,36 @@
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292
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295
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+
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296
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297
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+
book.rb
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298
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```
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300
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class Book < ApplicationRecord
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belongs_to :user
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attachment :image
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has_many :post_comments
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309
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310
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311
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validates :title, presence: true
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312
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313
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validates :body, presence: true, length: { maximum: 200 }
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end
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```
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322
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323
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324
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295
325
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試したこと
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296
326
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297
327
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・エラー内容の確認
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