module Admin::PagesHelper

def class_of_page
  @page.class
end

def clean_page_description(page)
  page.description.to_s.strip.gsub(/\t/, '').gsub(/\s+/, ' ')
end

def filter
  @page.parts.first.filter if @page.parts.respond_to?(:any?) && @page.parts.any?
end

def meta_errors?
  !!(@page.errors[:slug] or @page.errors[:breadcrumb])
end

def parent_page_options(current_site, page)
  parent_pages = []
  parent_pages.concat(Page.parent_pages(current_site.homepage_id))
  parent_pages << page.parent if page.parent
  selected_page_id = page.parent_id
  options_for_select(parent_pages.map { |p| [p.title, p.id] }, selected_page_id)
end

def revert_confirmation_message(version)
  date = version[:update_date]
  time = version[:update_time]
  "Are you sure you want to revert the page to the version before the change made on #{date} at #{time}? All changes made after that will be lost."
end