ActiveModelに対してエラーメッセージ日本語化 ja.yml書き方 - Qiita

class PostsTag include ActiveModel::Model attr_accessor :title,:text,:answer,:user_id,:image, :name with_options presence: true do validates :title validates :text validates :name end def save post = Post.create(title: title,text: text,answer: answer,user_id: user_id,image: image) tag = Tag.where(name: name).first_or_initialize tag.save PostTagRelation.create(post_id: post.id, tag_id: tag.id) end