ToolJet/app/controllers/organization_users_controller.rb

class OrganizationUsersController < ApplicationController
  def create
    authorize OrganizationUser

    first_name = params[:first_name]
    last_name = params[:last_name]
    email = params[:email]
    role = params[:role]
    password = SecureRandom.uuid
    org = @current_user.organization

    user = User.create(
      first_name: first_name,
      last_name: last_name,
      email: email,
      password: password,
      password_confirmation: password,
      organization: org,
      invitation_token: SecureRandom.uuid
    )

    org_user = OrganizationUser.new(
      role: role,
      user: user,
      organization: org
    )

    UserMailer.with(user: user, sender: @current_user).invitation_email.deliver if org_user.save
  end

  def change_role
    org_user = OrganizationUser.find params[:organization_user_id]
    authorize org_user
    org_user.update(role: params[:role])
  end
end