Users

Columns

name	type
name	string
email	string
password	string

Association

• has_many :groups through: :user_groups
• has_many :massages

#Groups

Column

name	type
name	string

Association

• has_many :users through: :user_groups
• has_many :massages

#Massages

Columns

name	type
body	text
image	string
user_id	references
group_id	references

Association

• belongs_to :user
• belongs_to :massage

#User_groups

Columns

name	type
user_id	reference
group_id	reference

Association

• belongs_to :user
• belongs_to :group