public static string GetLastMessageText_Html()

in Mail2Bug/Email/EmailBodyProcessingUtils.cs [32:75]

• 35 lines of code
• 11 McCabe index (conditional complexity)

        public static string GetLastMessageText_Html(string rawBody)
        {
            CQ dom = rawBody;

            const string outlookDesktopSeparatorStyle = "border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in";
            const string outlookMobileSeparatorStyle = "display:inline-block;width:98%";

            // There's no well-defined way to parse the latest email from a thread
            // We have to use heuristics to cover different email clients
            foreach (IDomObject element in dom["*"])
            {
                // Lots of email clients insert html elements as message delimiters which have styling but no inner text
                // This block checks for some of these patterns
                if (string.Equals(element.NodeName, "div", StringComparison.OrdinalIgnoreCase) &&
                   (element.Id == "divRplyFwdMsg" || element.Id == "x_divRplyFwdMsg" || outlookDesktopSeparatorStyle.Equals(element.GetAttribute("style"))))
                {
                    IDomContainer parent = element.ParentNode;
                    RemoveSubsequent(parent);
                    parent.Remove();
                    break;
                }

                if (string.Equals(element.NodeName, "hr", StringComparison.OrdinalIgnoreCase) &&
                    outlookMobileSeparatorStyle.Equals(element.GetAttribute("style")))
                {
                    RemoveSubsequent(element);
                    element.Remove();
                    break;
                }

                if (!element.ChildElements.Any() && !string.IsNullOrWhiteSpace(element.InnerText))
                {
                    var separatorIndex = IndexOfAny(element.InnerText, MessageBorderMarkers);
                    if (separatorIndex.HasValue)
                    {
                        element.InnerText = element.InnerText.Substring(0, separatorIndex.Value);
                        RemoveSubsequent(element);
                        break;
                    }
                }
            }

            return dom.Render();
        }