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class Post < ActiveRecord::Base
has_many :comments
has_many :tags, through: :post_tag_links
validates_presence_of :slug
validates_presence_of :title
validates_presence_of :body
end
class CreatePostTable < ActiveRecord::Migration[6.0]
def change
create_table :posts do |t|
t.string :slug, null: false, unique: true, index: true
t.string :title, null: false
t.string :body, null: false
t.boolean :locked, default: false
t.timestamps
end
end
end
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