golazooo23 / chat-space

README

This README would normally document whatever steps are necessary to get the application up and running.

Things you may want to cover:

• Ruby version

• System dependencies

• Configuration

• Database creation

• Database initialization

• How to run the test suite

• Services (job queues, cache servers, search engines, etc.)

• Deployment instructions

• ...

Chat-space DB設計

usersテーブル

id	名前
1	鈴木
2	山田
3	佐藤

reservationsテーブル

id	予約	user_id
1	▲	1(鈴木)
2	△	1(鈴木)
3	□	2(山田)
4	■	2(山田)
5	◇	3(佐藤)

Association

• has_many :messages
• has_many :groups_users
• has_many :groups, through: :groups_users

groupsテーブル

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

Association

• has_many :messages
• has_many :groups_users
• has_many :users, through: :groups_users

groups_usersテーブル

Column	Type	Options
user_id	integer	null: false, foreign_key: true
group_id	integer	null: false, foreign_key: true

Association

• belongs_to :group
• belongs_to :user

messagesテーブル

Column	Type	Options
body	text
image	string
user_id	integer	null: false, foreign_key: true
group_id	integer	null: false, foreign_key: true

Association

• belongs_to :group
• belongs_to :user