chat-space
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Ecosystems:
Ruby
README
This README would normally document whatever steps are necessary to get the application up and running.
Things you may want to cover:
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Ruby version rails 5.0.7.2 new DataBaseDesignSample -d mysql
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System dependencies
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Configuration
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Database creation
usersテーブル
| Column | Type | Options |
|---|---|---|
| name | string | null: false, unique: true |
| string | null: false, unique: true |
Association
- has_many :groups, through: :groups_users
- has_many :groups_users
- has_many :tweets
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
groupsテーブル
| Column | Type | Options |
|---|---|---|
| name | string | null: false, unique: true |
Association
- has_many :users, through: :groups_users
- has_many :groups_users
- has_many :tweets
messagesテーブル
| Column | Type | Options |
|---|---|---|
| user_id | integer | null: false, foreign_key: true |
| group_id | integer | null: false, foreign_key: true |
| content | string | |
| image | string |
Association
- belongs_to :group
- belongs_to :user
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Database initialization
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How to run the test suite
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Services (job queues, cache servers, search engines, etc.)
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Deployment instructions
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...