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Database design

ER

users テーブル

Column Type Options
nickname string null: false, unique: true
email string null: false, unique: true
password string null: false
last_name string null: false
first_name string null: false
last_name_kana string null: false
first_name_kana string null: false
birthday string null: false
profile text
image string

Association

  • has_many :comments
  • has_many :likes
  • has_many :items
  • has_many :ordercomments
  • has_many :addresses
  • has_many :users_transacts
  • has_many :transacts, through::users_transacts

items テーブル

Column Type Options
name string null: false, index: true
price integer null: false, index: true
size integer enum, index: true
condition integer enum, null: false
shipping_date integer enum, null: false
shipping_price integer enum, null: false
shipping_area integer enum, null: false
shipping_method integer enum, null: false
category_id references null: false, foreign_key: true
brand_id references null: false, foreign_key: true
user_id references null: false, foreign_key: true

Association

  • has_many :images
  • has_many :comments
  • has_many :likes
  • has_many :orders
  • belongs_to :user
  • belongs_to :category
  • belongs_to :brand

addresses テーブル

Column Type Options
postal_code integer null: false
prefecture string null: false
city string null: false
street string null: false
building string
phone string null: false
first_name string null: false
last_name string null: false
first_name_kana string null: false
last_name_kana string null: false
user_id references null: false, foreign_key: true

Association

  • belongs_to :user

users_transacts テーブル

Column Type Options
user_id references null: false, foreign_key: true
transact_id references null: false, foreign_key: true

Association

  • belongs_to :user
  • belongs_to :transact

transacts テーブル

Column Type Options
evaluate integer enum, null: false
confirm boolean default: false
body text
seller_id integer
buyer_id integer
item_id references null: false, foreign_key: true

Association

  • has_many :users_transacts
  • belongs_to :user
  • belongs_to :item

ordercomments テーブル

Column Type Options
comment text null: false
user_id references null: false, foreign_key: true
order_id references null: false, foreign_key: true

Association

  • belongs_to :user
  • belongs_to :order

orders テーブル

Column Type Options
state integer null: false, dafault: 0
item_id references null: false, foreign_key: true

Association

  • has_many :ordercomments
  • belongs_to :item

categories テーブル

Column Type Options
name string null: false, index: true
ancestry integer index: true
item_id references null: false, foreign_key: true

Association

  • has_many :items
  • has_many :brands_categories

brands テーブル

Column Type Options
name string null: false, index: true
item_id references null: false, foreign_key: true

Association

  • has many :items
  • has many :categories, through brands_categories

brands_categories テーブル

Column Type Options
brand_id references null: false, foreign_key: true
category_id references null: false, foreign_key: true

Association

  • belongs_to :brand
  • belongs_to :category

images テーブル

Column Type Options
image string null: false
item_id references null: false, foreign_key: true

Association

  • belongs_to :item

comments テーブル

Column Type Options
comment text null: false
user_id references null: false, foreign_key: true
item_id references null: false, foreign_key: true

Association

  • belongs_to :user
  • belongs_to :item

likes テーブル

Column Type Options
user_id references null: false, foreign_key: true
item_id references null: false, foreign_key: true

Association

  • belongs_to :user
  • belongs_to :item