Bloom.Book.Book.BringPageUpToDate C# (CSharp) Метод

        public void BringPageUpToDate(XmlElement page)
        {
            var lineageAttr = page.Attributes["data-pagelineage"];
            if (lineageAttr == null)
                return;
            var lineage = lineageAttr.Value;
            var originalTemplateGuid = lineage;
            int index = lineage.IndexOf(";", StringComparison.InvariantCulture);
            if (index >= 0)
                originalTemplateGuid = lineage.Substring(0, index);
            GuidAndPath updateTo;
            if (!PageMigrations.TryGetValue(originalTemplateGuid, out updateTo))
                return; // Not one we want to migrate. Possibly already done, or one we don't want to convert, or created in the field...
            var layoutOfThisBook = GetLayout();
            var bookPath = BloomFileLocator.GetFactoryBookTemplateDirectory(updateTo.Path);
            var templateDoc = XmlHtmlConverter.GetXmlDomFromHtmlFile(bookPath, false);
            var newPage = (XmlElement)templateDoc.SafeSelectNodes("//div[@id='" + updateTo.Guid + "']")[0];
            var classesToDrop = new[] { "imageWholePage","imageOnTop","imageInMiddle","imageOnBottom","textWholePage","pictureAndWordPage" };
            HtmlDom.MergeClassesIntoNewPage(page, newPage, classesToDrop);
            SizeAndOrientation.UpdatePageSizeAndOrientationClasses(newPage, layoutOfThisBook);
            OurHtmlDom.MigrateEditableData(page, newPage, lineage.Replace(originalTemplateGuid, updateTo.Guid));
        }