Contents

class Notification < ActiveRecord::Base
  belongs_to :user
  belongs_to :subject, polymorphic: true

  scope :recent, -> { where('read_at IS NULL AND ignored_at IS NULL AND cancelled_at IS NULL').order('id DESC').limit(3) }

  before_validation :set_email
  before_validation :set_token

  validates :email, presence: true, if: :deliver_via_email?
  validates :email_from, presence: true, if: :deliver_via_email?
  validates :email_subject, presence: true, if: :deliver_via_email?

  def click
    return false if self.cancelled?
    self.click_count += 1
    self.clicked_at ||= Time.now
    self.save
  end

  def read
    return false if self.cancelled?
    self.read_count += 1
    self.read_at ||= Time.now
    self.save
  end

  def ignore
    return false if self.cancelled?
    self.ignored_at ||= Time.now
    self.save
  end

  def cancel
    return true if self.cancelled_at.present?
    self.update_attribute(:cancelled_at, Time.now)
  end

  def cancelled?
    self.cancelled_at.present?
  end

  def unsubscribe
    self.unsubscribed_at ||= Time.now
    self.save
  end

  def deliver
    return if self.email_sent_at.present? || !self.deliver_via_email?

    NotificationsMailer.notify(self.id).deliver
  end

  def to_param
    self.token
  end

  protected

  def set_email
    return if !self.deliver_via_email?

    self.email ||= self.user.email rescue nil
  end

  # The default size is 16 which is 1/64^16, this is protected by
  # a unique index in the database to absolutely prevent collisions
  def set_token
    self.token ||= SecureRandom.urlsafe_base64(16)
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
notifykit-0.2.0	lib/generators/notifykit/templates/app/models/notification.rb
notifykit-0.1.0	lib/generators/notifykit/templates/app/models/notification.rb