Bloom.Book.BookStarter.SetupNewDocumentContents C# (CSharp) Method

        private string SetupNewDocumentContents(string sourceFolderPath, string initialPath)
        {
            var storage = _bookStorageFactory(initialPath);
            bool usingTemplate = storage.MetaData.IsSuitableForMakingShells;

            var bookData = new BookData(storage.Dom, _collectionSettings, null);
            UpdateEditabilityMetadata(storage);//Path.GetFileName(initialPath).ToLower().Contains("template"));

            // NB: For a new book based on a page template, I think this should remove *everything*,
            // because the rest is in the xmatter.
            // For shells, we'll still have pages.

            //Remove from the new book any div-pages labelled as "extraPage"
            for (var initialPageDivs = storage.Dom.SafeSelectNodes("/html/body/div[contains(@data-page,'extra')]");
                initialPageDivs.Count > 0;
                initialPageDivs = storage.Dom.SafeSelectNodes("/html/body/div[contains(@data-page,'extra')]"))
            {
                initialPageDivs[0].ParentNode.RemoveChild(initialPageDivs[0]);
            }

            XMatterHelper.RemoveExistingXMatter(storage.Dom);

            bookData.RemoveAllForms("ISBN");//ISBN number of the original doesn't apply to derivatives

            var sizeAndOrientation = Layout.FromDomAndChoices(storage.Dom, Layout.A5Portrait, _fileLocator);

            //Note that we do this *before* injecting frontmatter, which is more likely to have a good reason for having English
            //Useful for things like Primers. Note that Lorem Ipsum and prefixing all text with "_" also work.
            //			if ("true"==GetMetaValue(storage.Dom.RawDom, "removeTranslationsWhenMakingNewBook", "false"))
            //			{
            //				ClearAwayAllTranslations(storage.Dom.RawDom);
            //			}

            InjectXMatter(initialPath, storage, sizeAndOrientation);

            SetLineageAndId(storage, sourceFolderPath);

            SetBookTitle(storage, bookData, usingTemplate);

            //Few sources will have this set at all. A template picture dictionary is one place where we might expect it to call for, say, bilingual
            int multilingualLevel = int.Parse(GetMetaValue(storage.Dom.RawDom, "defaultMultilingualLevel", "1"));
            TranslationGroupManager.SetInitialMultilingualSetting(bookData, multilingualLevel, _collectionSettings);

            var sourceDom = XmlHtmlConverter.GetXmlDomFromHtmlFile(sourceFolderPath.CombineForPath(Path.GetFileName(GetPathToHtmlFile(sourceFolderPath))), false);

            //If this is a shell book, make elements to hold the vernacular
            foreach (XmlElement div in storage.Dom.RawDom.SafeSelectNodes("//div[contains(@class,'bloom-page')]"))
            {
                XmlElement sourceDiv = sourceDom.SelectSingleNode("//div[@id='"+div.GetAttribute("id")+"']") as XmlElement;
                SetupIdAndLineage(sourceDiv, div);
                SetupPage(div, _collectionSettings, null, null);
            }

            ClearAwayDraftText(storage.Dom.RawDom);

            storage.Save();

            //REVIEW this actually undoes the setting of the intial files name:
            //      storage.UpdateBookFileAndFolderName(_librarySettings);
            return storage.FolderPath;
        }