anthonymidili/EasyKeep

class User < ActiveRecord::Base
  before_save { |user| user.email = nil if user.email.blank? }
  # Include default users modules. Others available are:
  # :token_authenticatable, :confirmable,
  # :lockable, :timeoutable and :omniauthable
  devise :invitable, :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable

  attr_accessor :skip_validation
  attr_accessor :require_email

  has_one :account, dependent: :destroy

  belongs_to :company
  accepts_nested_attributes_for :company

  validate :name_required
  validate :unique_email_required

  default_scope { order('id ASC') }

  scope :by_admin_user, -> { where(is_admin: true) }
  scope :by_owner_user, -> { where(is_owner: true) }

  def password_required?
    super unless @skip_validation
  end
  
  def email_required?
    self.encrypted_password.present? || self.invitation_token.present? || @require_email
  end

  # is the user an admin or a customer?
  def role
    @role ||=
      if is_admin?
        :admin
      else
        :customer
      end
  end

private

  def name_required
    errors.add(:name, "can't be blank when email is present") if name.blank? && email?
  end

  def unique_email_required
    if @require_email && company.users.find_by(email: email)
      errors.add(:user, 'email has already been taken') unless email.blank?
    end
  end
end