Contents

class TbRedirect < ActiveRecord::Base
  scope :ordered, ->{ order('source desc') }
  scope :search, ->(term){ where('source LIKE ?', "%#{term}%") }

  belongs_to :owner, :polymorphic => true, :inverse_of => :tb_redirects

  validates :source, :destination, :presence => true
  validates :source, :uniqueness => true
  validate :source_not_equals_destination
  after_save :destroy_opposite_redirect
  after_save :schedule_loop_detection

  def self.find_by_uri(uri)
    path = URI(uri).path
    uri_without_params = uri.split('?').first
    find_by(
      arel_table[:source].eq(path)
      .or(arel_table[:source].eq(uri_without_params))
    )
  rescue URI::InvalidURIError => e
    logger.debug e.message
    return nil
  end

  def self.create_smart(params)
    redirect = find_or_initialize_by(:source => params.delete(:source))
    redirect.assign_attributes(params)
    redirect.save()
    return redirect
  end

private

  def source_not_equals_destination
    if self.source == self.destination
      errors.add(:destination, 'cannot be the same as the source')
    end
    return true
  end

  def destroy_opposite_redirect
    opposite = TbRedirect.find_by({
      :source => self.destination,
      :destination => self.source
    })
    opposite.destroy if opposite.present?
    return true
  end

  def schedule_loop_detection
    if TbRedirect.where(:destination => source).count > 0
      TbRedirects::DetectRedirectLoopJob.perform_later(self)
    end
    return true
  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
tb_redirects-0.0.1	app/models/tb_redirect.rb