module TinyMceHelper def parse_tiny_mce_asset_to_token(text, ref = nil) ids = [] html = Nokogiri::HTML(text) html.search('img').each do |img| next unless img['data-token'] img_id = Base62.decode(img['data-token']) ids << img_id token = "[~tiny_mce_id:#{img_id}]" img.replace(token) next unless ref tiny_img = TinyMceAsset.find_by_id(img_id) tiny_img.reference = ref unless tiny_img.step || tiny_img.result_text tiny_img.save end destroy_removed_tiny_mce_assets(ids, ref) if ref html end def generate_image_tag_from_token(text) return unless text regex = /\[~tiny_mce_id:([0-9a-zA-Z]+)\]/ text.gsub(regex) do |el| match = el.match(regex) img = TinyMceAsset.find_by_id(match[1]) next unless img image_tag img.url, class: 'img-responsive', data: { token: Base62.encode(img.id) } end end def link_tiny_mce_assets(text, ref) ids = [] regex = /\[~tiny_mce_id:([0-9a-zA-Z]+)\]/ text.gsub(regex) do |img| match = img.match(regex) tiny_img = TinyMceAsset.find_by_id(match[1]) next unless tiny_img ids << tiny_img.id tiny_img.public_send("#{ref.class.to_s.underscore}=".to_sym, ref) tiny_img.save! end destroy_removed_tiny_mce_assets(ids, ref) end def destroy_removed_tiny_mce_assets(ids, ref) ref.tiny_mce_assets.where.not('id IN (?)', ids).destroy_all end end