module UserNotificationsHelper def self.sanitize_options return @sanitize_options if @sanitize_options @sanitize_options = Sanitize::Config::RELAXED.deep_dup @sanitize_options[:elements] << 'aside' << 'div' @sanitize_options[:attributes][:all] << 'class' @sanitize_options end def indent(text, by=2) spacer = " " * by result = "" text.each_line do |line| result << spacer << line end result end def correct_top_margin(html, desired) fragment = Nokogiri::HTML.fragment(html) if para = fragment.css("p:first").first para["style"] = "margin-top: #{desired};" end fragment.to_html.html_safe end def logo_url logo_url = SiteSetting.digest_logo_url logo_url = SiteSetting.logo_url if logo_url.blank? if logo_url !~ /http(s)?\:\/\// logo_url = "#{Discourse.base_url}#{logo_url}" end logo_url end def html_site_link "#{@site_name}" end def first_paragraph_from(html) doc = Nokogiri::HTML(html) result = "" doc.css('p').each do |p| if p.text.present? result << p.to_s return result if result.size >= 100 end end return result unless result.blank? # If there is no first paragaph, return the first div (onebox) doc.css('div').first end def email_excerpt(html, posts_count) # If there's only one post, include the whole thing. if posts_count == 1 raw Sanitize.clean(html, UserNotificationsHelper.sanitize_options) else # Otherwise, try just the first paragraph. para = first_paragraph_from(html) raw Sanitize.clean(para.to_s, UserNotificationsHelper.sanitize_options) end end def cooked_post_for_email(post) PrettyText.format_for_email(post.cooked).html_safe end def email_category(category, opts=nil) opts = opts || {} # If there is no category, bail return "" if category.blank? # By default hide uncategorized return "" if category.uncategorized? && !opts[:show_uncategorized] result = "" if category.parent_category.present? result << " " end result << "#{category.name}" result.html_safe end end