mastodon/app/helpers/instance_helper.rb

# frozen_string_literal: true

module InstanceHelper
  def site_title
    Setting.site_title
  end

  def site_hostname
    @site_hostname ||= Addressable::URI.parse("//#{Rails.configuration.x.local_domain}").display_uri.host
  end

  def description_for_sign_up(invite = nil)
    safe_join([description_prefix(invite), I18n.t('auth.description.suffix')], ' ')
  end

  def instance_presenter
    @instance_presenter ||= InstancePresenter.new
  end

  def favicon_path(size = '48')
    instance_presenter.favicon&.file&.url(size)
  end

  def app_icon_path(size = '48')
    instance_presenter.app_icon&.file&.url(size)
  end

  def use_mask_icon?
    instance_presenter.app_icon.blank?
  end

  private

  def description_prefix(invite)
    if invite.present?
      I18n.t('auth.description.prefix_invited_by_user', name: invite.user.account.username)
    else
      I18n.t('auth.description.prefix_sign_up')
    end
  end
end