Kakedashi DB設計

usersテーブル

Column	Type	Option
nickname	string	null: false
email	string	null: false, unique: true
password	string	null: false
image	string

Association

• has_many :posts, dependent: :destroy
• has_many :likes, dependent: :destroy
• has_many :liked_posts, through: :likes, source: :post
• has_many :comments

postsテーブル

Column	Type	Option
text	text	null: false
user	references	null: false, foreign_key: true

Association

• belongs_to :user dependent: :destroy
• has_many :likes
• has_many :liked_users, through: :likes, source: :user
• has_many :comments

commentsテーブル

Column	Type	Option
user_id	integer
post_id	integer
content	text

Association

• belongs_to :post
• belongs_to :user

likessテーブル

Column	Type	Option
post	references	null: false
user	references	null: false

Association

• belongs_to :user
• belongs_to :post