Initial commit

app/models/account_auth.rb

@@ -0,0 +1,8 @@
+class AccountAuth < ApplicationRecord
+  belongs_to :user
+  belongs_to :account
+
+  validates :user_id, uniqueness: { scope: :account_id, message: "already added to account." }
+
+  enum role: { associate: 0, project_manager: 1, account_manager: 2 }
+end