/// <summary>
/// Adds the remove chapter nodes to the preference xml saved in document library.
/// </summary>
/// <param name="wellBookDetails">The well book details.</param>
/// <param name="chapterPreference">The chapter preference.</param>
/// <returns>XmlDocument</returns>
private XmlDocument AddRemoveChapterNodes(XmlDocument wellBookDetails, XmlDocument chapterPreference)
{
if (wellBookDetails != null && wellBookDetails.ChildNodes.Count > 0 && chapterPreference != null && chapterPreference.ChildNodes.Count > 0)
{
/// add/remove chapters present in wellbookdetails but not in chapterpreference.
XmlNodeList chapterNodesInTree = wellBookDetails.SelectNodes("/BookInfo/Chapter");
XmlNode chapterNodeInPreference = null;
int intIndex = 1;
foreach (XmlNode chapterNodeInTree in chapterNodesInTree)
{
chapterNodeInPreference = chapterPreference.SelectSingleNode("/BookInfo/Chapter[@ChapterID = '" + chapterNodeInTree.Attributes["ChapterID"].Value + "']");
if (chapterNodeInPreference == null)
{
/// Insert at the beginning
XmlNode refChapterNode = chapterPreference.SelectSingleNode("/BookInfo/Chapter");
XmlElement newChapterElement = chapterPreference.CreateElement("Chapter");
XmlAttribute chapterIDAttribute = chapterPreference.CreateAttribute("ChapterID");
chapterIDAttribute.Value = chapterNodeInTree.Attributes["ChapterID"].Value;
XmlAttribute chapterTitle = chapterPreference.CreateAttribute("ChapterTitle");
chapterTitle.Value = chapterNodeInTree.Attributes["ChapterTitle"].Value;
XmlAttribute display = chapterPreference.CreateAttribute("Display");
display.Value = "True";
XmlAttribute chapterOrder = chapterPreference.CreateAttribute("ChapterOrder");
chapterOrder.Value = intIndex.ToString();
intIndex++;
newChapterElement.Attributes.Append(chapterIDAttribute);
newChapterElement.Attributes.Append(chapterTitle);
newChapterElement.Attributes.Append(display);
newChapterElement.Attributes.Append(chapterOrder);
chapterPreference.SelectSingleNode("/BookInfo").InsertBefore(newChapterElement, refChapterNode);
}
}
/// remove chapters in chapterpreference but not in wellbookdetails.
XmlNodeList chapterNodesInPreference = chapterPreference.SelectNodes("/BookInfo/Chapter");
XmlNode newChapterNodeInTree = null;
foreach (XmlNode chapterNode in chapterNodesInPreference)
{
newChapterNodeInTree = wellBookDetails.SelectSingleNode("/BookInfo/Chapter[@ChapterID = '" + chapterNode.Attributes["ChapterID"].Value + "']");
if (newChapterNodeInTree == null)
{
/// Remove the node from preferencexml.
chapterPreference.SelectSingleNode("/BookInfo").RemoveChild(chapterNode);
}
}
}
ChapterBLL objChapterBLL = new ChapterBLL();
objChapterBLL.SaveReorderXml(chapterPreference.OuterXml, HttpContext.Current.Request.QueryString[QUERYSTRING_BOOKID]);
return chapterPreference;
}
/// <summary>
/// Saves the reorder XML to document library.
/// </summary>
/// <param name="chapterPreference">The chapter preference.</param>
/// <param name="bookId">The book id.</param>
/// <returns></returns>
protected XmlDocument SaveReorderXml(string chapterPreference, string bookId)
{
XmlDocument userReorderXml = null;
ChapterBLL objChapterBLL = new ChapterBLL();
userReorderXml = objChapterBLL.SaveReorderXml(chapterPreference, bookId);
return userReorderXml;
}