wordpray / pinterest

users

Column	Type	Options
name	string	add_index :users, :name, null: false, unique: true
email	string	null: false
password	integer	null: false
user_id	integer	null: false, foreign_key: true
gender	enum('M','F')
age	integer

Association

• has_many : pins
• has_many : user_boards
• has_many : boards, through: :user_boards

boards

Column	Type	Options
name	string	add_index :boards, :name, null: false, unique: true

Association

• has_many : pins
• has_many : user_boards
• has_many : users, through: :user_boards

user_boards

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

Association

• belongs_to : user
• belongs_to : board

pins

Column	Type	Options
title	string
description
image	string	null: false
board_id	references	null: false, foreign_key: true
user_id	references	null: false, foreign_key: true

Association

• has_many : board_pins
• has_many : boards, through: :board_pins
• belongs_to : user

board_pins

Column	Type	Options
pin_id	references	null: false, foreign_key: true
boards_id	references	null: false, foreign_key: true

Association

• belongs_to : pin
• belongs_to : board