#テーブル設計

usersテーブル

Column	Type	Options
last_name	string	nil: false
first_name	string	nil: false
last_name_reading	string	nil: false
first_name_reading	string	nil: false
nickname	string	nil: false
email	string	nil: false
password	string	nil: false
birthday	date	nil: false

Association

• has_many :Users_items
• has_many :Items, through: :Users_items

Addressesテーブル

Column	Type	Options
item	references	nil: false, foreign_key: true
postal_code	string	nil: false
prefectures_id	integer	nil: false
city	string	nil: false
address_line1	string	nil: false
address_line2	string
phone_number	string	nil: false

Association

• belongs_to :item
• belongs_to_active_hash :prefectures

Itemsテーブル

Column	Type	Options
user	references	nil: false
images	string	nil: false
name	string	nil: false
description	text	nil :false
price	integer	nil: false
category_id	integer	nil: false
status_id	integer	nil: false
shipping_charges_id	integer	nil: false
shipping_region_id	integer	nil: false
day_until_shipping_id	integer	nil: false

Association

• has_many :Users_items
• has_one :Address
• has_many :Users, through: :Users_items
• belongs_to_active_hash :category
• belongs_to_active_hash :status
• belongs_to_active_hash :shipping_charges
• belongs_to_active_hash :shipping_region
• belongs_to_active_hash :day_until_shipping

Users_itemsテーブル

Column	Type	Options
user	references	nil: false
item	references	nil: false

Association

• belongs_to :User
• belongs_to :Item