mysociety/alaveteli

module NotesHelper
  def note_as_html(note, batch: false)
    allowed_tags = batch ? batch_notes_allowed_tags : notes_allowed_tags
    content = note.original_style? ? note.body : note.rich_body.to_trix_html
    sanitize(content, tags: allowed_tags)
  end

  def render_notes(notes, batch: false, **options)
    return unless notes.present?

    tag.aside(**options.merge(id: 'notes')) do
      Note.sort(notes).each do |note|
        note_classes = ['note']
        note_classes << "note--style-#{note.style}"
        note_classes << "tag-#{note.notable_tag}" if note.notable_tag

        concat tag.article note_as_html(note, batch: batch),
                           id: dom_id(note),
                           class: note_classes
      end
    end
  end

  def notes_allowed_tags
    Alaveteli::Application.config.action_view.sanitized_allowed_tags +
      %w(th time u font iframe) -
      %w(html head body style)
  end

  def batch_notes_allowed_tags
    notes_allowed_tags - %w(pre h1 h2 h3 h4 h5 h6 img blockquote font iframe)
  end
end