module UserNotificationsHelper 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? return nil 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) # only include 1st paragraph when more than 1 posts html = first_paragraph_from(html).to_s if posts_count > 1 raw format_for_email(html) end def format_for_email(html) PrettyText.format_for_email(html).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 = "" category_url = "#{Discourse.base_url}#{category.url}" result << " " result << "#{category.name}" result.html_safe end end