DCIを使ã£ã¦ã¿ãŸ - ãŒã‚€ã—ゃらã«ã‚³ãƒ¼ãƒ‰ã‚’書ã続ã‘ã‚‹Blogæ¦‚è¦ DCI(Data Context Interaction)を使ã£ã¦ã¿ã¾ã—ãŸã€‚ 例ã¯è³¼å…¥ã™ã‚‹æ™‚ã®ãƒ‘ラメーターを作æˆã™ã‚‹å‡¦ç†ã§ã€è¤‡æ•°ã®ãƒ¢ãƒ‡ãƒ«(User, Cart, Item)を使ã£ã¦å‡¦ç†ã‚’ã—ãªã„ã¨ã„ã‘ãªã„å ´åˆã®æ™‚ã§ã™ã€‚ DCIを使ã‚ãªã„å ´åˆ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 class User has_many :carts def payment_hash { full_name: "#{last_name} #{first_name}", postal_code: "#{zip1}-#{zip2}" } end end class Item belongs_to :cart def payment_hash { item_id:
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