class UserProject < ApplicationRecord enum role: { owner: 0, normal_user: 1, technician: 2, viewer: 3 } validates :role, presence: true validates :user, presence: true validates :project, presence: true belongs_to :user, inverse_of: :user_projects, optional: true belongs_to :assigned_by, foreign_key: 'assigned_by_id', class_name: 'User', optional: true belongs_to :project, inverse_of: :user_projects, optional: true before_destroy :destroy_associations def role_str I18n.t("user_projects.enums.role.#{role.to_s}") end def destroy_associations # Destroy the user from all project's modules project.project_my_modules.each do |my_module| um2 = (my_module.user_my_modules.select { |um| um.user == self.user }).first if um2.present? um2.destroy end end end end