X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/7e5cbe87ed37f9cba8224fa4049047d7f981f66a..6f5167b86609674b2f38a355ea0c34abdca10ba8:/lib/rich_text.rb diff --git a/lib/rich_text.rb b/lib/rich_text.rb index a0c4d9c8d..a439342f7 100644 --- a/lib/rich_text.rb +++ b/lib/rich_text.rb @@ -15,7 +15,7 @@ module RichText include ActionView::Helpers::TextHelper include ActionView::Helpers::OutputSafetyHelper - def sanitize(text) + def sanitize(text, _options = {}) Sanitize.clean(text, Sanitize::Config::OSM).html_safe end end @@ -49,6 +49,14 @@ module RichText (spammy_phrases * 40) end + def image + nil + end + + def image_alt + nil + end + protected def simple_format(text) @@ -80,12 +88,41 @@ module RichText class Markdown < Base def to_html - linkify(sanitize(Kramdown::Document.new(self).to_html), :all) + linkify(sanitize(document.to_html), :all) end def to_text to_s end + + def image + @image_element = first_image_element(document.root) unless defined? @image_element + @image_element.attr["src"] if @image_element + end + + def image_alt + @image_element = first_image_element(document.root) unless defined? @image_element + @image_element.attr["alt"] if @image_element + end + + private + + def document + @document ||= Kramdown::Document.new(self) + end + + def first_image_element(element) + return element if image?(element) && element.attr["src"].present? + + element.children.find do |child| + nested_image = first_image_element(child) + break nested_image if nested_image + end + end + + def image?(element) + element.type == :img || (element.type == :html_element && element.value == "img") + end end class Text < Base