/// <summary>
/// Transform the page
/// </summary>
/// <param name="pageTransformationInformation">Information about the page to transform</param>
public void Transform(PageTransformationInformation pageTransformationInformation)
{
#region Input validation
if (pageTransformationInformation.SourcePage == null)
{
throw new ArgumentNullException("SourcePage cannot be null");
}
// Validate page and it's eligibility for transformation
if (!pageTransformationInformation.SourcePage.FieldExistsAndUsed(Constants.FileRefField) || !pageTransformationInformation.SourcePage.FieldExistsAndUsed(Constants.FileLeafRefField))
{
throw new ArgumentException("Page is not valid due to missing FileRef or FileLeafRef value");
}
string pageType = pageTransformationInformation.SourcePage.PageType();
if (pageType.Equals("ClientSidePage", StringComparison.InvariantCultureIgnoreCase))
{
throw new ArgumentException("Page is a client side page...guess you don't want to transform it...");
}
if (pageType.Equals("AspxPage", StringComparison.InvariantCultureIgnoreCase))
{
throw new ArgumentException("Page is an basic aspx page...can't transform that one, sorry!");
}
#endregion
#region Telemetry
clientContext.ClientTag = $"SPDev:PageTransformator";
clientContext.Load(clientContext.Web, p => p.Description, p => p.Id);
clientContext.ExecuteQuery();
#endregion
#region Page creation
// If no targetname specified then we'll come up with one
if (string.IsNullOrEmpty(pageTransformationInformation.TargetPageName))
{
if (string.IsNullOrEmpty(pageTransformationInformation.TargetPagePrefix))
{
pageTransformationInformation.SetDefaultTargetPagePrefix();
}
pageTransformationInformation.TargetPageName = $"{pageTransformationInformation.TargetPagePrefix}{pageTransformationInformation.SourcePage[Constants.FileLeafRefField].ToString()}";
}
// Check if page name is free to use
bool pageExists = false;
ClientSidePage targetPage = null;
try
{
targetPage = clientContext.Web.LoadClientSidePage(pageTransformationInformation.TargetPageName);
pageExists = true;
}
catch (ArgumentException) { }
if (pageExists)
{
if (!pageTransformationInformation.Overwrite)
{
throw new ArgumentException($"There already exists a page with name {pageTransformationInformation.TargetPageName}.");
}
else
{
targetPage.ClearPage();
}
}
else
{
// Create a new client side page
targetPage = clientContext.Web.AddClientSidePage(pageTransformationInformation.TargetPageName);
}
#endregion
#region Home page handling
bool replacedByOOBHomePage = false;
// Check if the transformed page is the web's home page
clientContext.Web.EnsureProperties(w => w.RootFolder.WelcomePage);
var homePageUrl = clientContext.Web.RootFolder.WelcomePage;
var homepageName = Path.GetFileName(clientContext.Web.RootFolder.WelcomePage);
if (homepageName.Equals(pageTransformationInformation.SourcePage[Constants.FileLeafRefField].ToString(), StringComparison.InvariantCultureIgnoreCase))
{
targetPage.LayoutType = ClientSidePageLayoutType.Home;
if (pageTransformationInformation.ReplaceHomePageWithDefaultHomePage)
{
targetPage.KeepDefaultWebParts = true;
replacedByOOBHomePage = true;
}
}
#endregion
#region Article page handling
if (!replacedByOOBHomePage)
{
#region Configure header from target page
if (pageTransformationInformation.PageHeader == null || pageTransformationInformation.PageHeader.Type == ClientSidePageHeaderType.None)
{
targetPage.RemovePageHeader();
}
else if (pageTransformationInformation.PageHeader.Type == ClientSidePageHeaderType.Default)
{
targetPage.SetDefaultPageHeader();
}
else if (pageTransformationInformation.PageHeader.Type == ClientSidePageHeaderType.Custom)
{
targetPage.SetCustomPageHeader(pageTransformationInformation.PageHeader.ImageServerRelativeUrl, pageTransformationInformation.PageHeader.TranslateX, pageTransformationInformation.PageHeader.TranslateY);
}
#endregion
#region Analysis of the source page
// Analyze the source page
Tuple <PageLayout, List <WebPartEntity> > pageData = null;
if (pageType.Equals("WikiPage", StringComparison.InvariantCultureIgnoreCase))
{
pageData = new WikiPage(pageTransformationInformation.SourcePage, pageTransformation).Analyze();
// Wiki pages can contain embedded images and videos, which is not supported by the target RTE...split wiki text blocks so the transformator can handle the images and videos as separate web parts
if (pageTransformationInformation.HandleWikiImagesAndVideos)
{
pageData = new Tuple <PageLayout, List <WebPartEntity> >(pageData.Item1, new WikiTransformator().Transform(pageData.Item2));
}
}
else if (pageType.Equals("WebPartPage", StringComparison.InvariantCultureIgnoreCase))
{
pageData = new WebPartPage(pageTransformationInformation.SourcePage, pageTransformation).Analyze(true);
}
#endregion
#region Page title configuration
// Set page title
if (pageType.Equals("WikiPage", StringComparison.InvariantCultureIgnoreCase) && pageTransformationInformation.SourcePage.FieldExistsAndUsed(Constants.FileTitleField))
{
targetPage.PageTitle = pageTransformationInformation.SourcePage[Constants.FileTitleField].ToString();
}
else if (pageType.Equals("WebPartPage"))
{
var titleBarWebPart = pageData.Item2.Where(p => p.Type == WebParts.TitleBar).FirstOrDefault();
if (titleBarWebPart != null)
{
if (titleBarWebPart.Properties.ContainsKey("HeaderTitle") && !string.IsNullOrEmpty(titleBarWebPart.Properties["HeaderTitle"]))
{
targetPage.PageTitle = titleBarWebPart.Properties["HeaderTitle"];
}
}
}
if (pageTransformationInformation.PageTitleOverride != null)
{
targetPage.PageTitle = pageTransformationInformation.PageTitleOverride(targetPage.PageTitle);
}
#endregion
#region Page layout configuration
// Use the default layout transformator
ILayoutTransformator layoutTransformator = new LayoutTransformator(targetPage);
// Do we have an override?
if (pageTransformationInformation.LayoutTransformatorOverride != null)
{
layoutTransformator = pageTransformationInformation.LayoutTransformatorOverride(targetPage);
}
// Apply the layout to the page
layoutTransformator.Transform(pageData.Item1);
#endregion
#region Content transformation
// Use the default content transformator
IContentTransformator contentTransformator = new ContentTransformator(targetPage, pageTransformation);
// Do we have an override?
if (pageTransformationInformation.ContentTransformatorOverride != null)
{
contentTransformator = pageTransformationInformation.ContentTransformatorOverride(targetPage, pageTransformation);
}
// Run the content transformator
contentTransformator.Transform(pageData.Item2);
#endregion
}
#endregion
#region Page persisting
// Persist the client side page
targetPage.Save(pageTransformationInformation.TargetPageName);
targetPage.Publish();
// All went well so far...swap pages if that's needed
if (pageTransformationInformation.TargetPageTakesSourcePageName)
{
//Load the source page
var sourcePageUrl = pageTransformationInformation.SourcePage[Constants.FileRefField].ToString();
var orginalSourcePageName = pageTransformationInformation.SourcePage[Constants.FileLeafRefField].ToString();
string path = sourcePageUrl.Replace(pageTransformationInformation.SourcePage[Constants.FileLeafRefField].ToString(), "");
var sourcePage = this.clientContext.Web.GetFileByServerRelativeUrl(sourcePageUrl);
this.clientContext.Load(sourcePage);
this.clientContext.ExecuteQueryRetry();
if (string.IsNullOrEmpty(pageTransformationInformation.SourcePagePrefix))
{
pageTransformationInformation.SetDefaultSourcePagePrefix();
}
var newSourcePageUrl = $"{pageTransformationInformation.SourcePagePrefix}{pageTransformationInformation.SourcePage[Constants.FileLeafRefField].ToString()}";
// Rename source page using the sourcepageprefix
sourcePage.MoveTo($"{path}{newSourcePageUrl}", MoveOperations.None);
this.clientContext.ExecuteQueryRetry();
//Load the created target page
var targetPageUrl = $"{path}{pageTransformationInformation.TargetPageName}";
var targetPageFile = this.clientContext.Web.GetFileByServerRelativeUrl(targetPageUrl);
this.clientContext.Load(targetPageFile);
this.clientContext.ExecuteQueryRetry();
// Rename the target page to the original source page name
targetPageFile.MoveTo($"{path}{orginalSourcePageName}", MoveOperations.Overwrite);
this.clientContext.ExecuteQueryRetry();
}
#endregion
}
/// <summary>
/// Transform the page
/// </summary>
/// <param name="pageTransformationInformation">Information about the page to transform</param>
public void Transform(PageTransformationInformation pageTransformationInformation)
{
#region Input validation
if (pageTransformationInformation.SourcePage == null)
{
throw new ArgumentNullException("SourcePage cannot be null");
}
// Validate page and it's eligibility for transformation
if (!pageTransformationInformation.SourcePage.FieldExistsAndUsed(Constants.FileRefField) || !pageTransformationInformation.SourcePage.FieldExistsAndUsed(Constants.FileLeafRefField))
{
throw new ArgumentException("Page is not valid due to missing FileRef or FileLeafRef value");
}
string pageType = pageTransformationInformation.SourcePage.PageType();
if (pageType.Equals("ClientSidePage", StringComparison.InvariantCultureIgnoreCase))
{
throw new ArgumentException("Page is a client side page...guess you don't want to transform it...");
}
if (pageType.Equals("AspxPage", StringComparison.InvariantCultureIgnoreCase))
{
throw new ArgumentException("Page is an basic aspx page...can't transform that one, sorry!");
}
#endregion
#region Telemetry
clientContext.ClientTag = $"SPDev:PageTransformator";
clientContext.Load(clientContext.Web, p => p.Description, p => p.Id);
clientContext.ExecuteQuery();
#endregion
#region Page creation
// If no targetname specified then we'll come up with one
if (string.IsNullOrEmpty(pageTransformationInformation.TargetPageName))
{
pageTransformationInformation.TargetPageName = $"Migrated_{pageTransformationInformation.SourcePage[Constants.FileLeafRefField].ToString()}";
}
// Check if page name is free to use
bool pageExists = false;
ClientSidePage targetPage = null;
try
{
targetPage = clientContext.Web.LoadClientSidePage(pageTransformationInformation.TargetPageName);
pageExists = true;
}
catch (ArgumentException) { }
if (pageExists)
{
if (!pageTransformationInformation.Overwrite)
{
throw new ArgumentException($"There already exists a page with name {pageTransformationInformation.TargetPageName}.");
}
else
{
targetPage.ClearPage();
}
}
else
{
// Create a new client side page
targetPage = clientContext.Web.AddClientSidePage(pageTransformationInformation.TargetPageName);
}
#endregion
#region Analysis of the source page
// Analyze the source page
Tuple <PageLayout, List <WebPartEntity> > pageData = null;
if (pageType.Equals("WikiPage", StringComparison.InvariantCultureIgnoreCase))
{
pageData = new WikiPage(pageTransformationInformation.SourcePage, pageTransformation).Analyze();
// Wiki pages can contain embedded images and videos, which is not supported the target RTE...split wiki text blocks so the transformator can handle the images and videos as separate web parts
if (pageTransformationInformation.HandleWikiImagesAndVideos)
{
pageData = new Tuple <PageLayout, List <WebPartEntity> >(pageData.Item1, new WikiTransformator().Transform(pageData.Item2));
}
}
else if (pageType.Equals("WebPartPage", StringComparison.InvariantCultureIgnoreCase))
{
pageData = new WebPartPage(pageTransformationInformation.SourcePage, pageTransformation).Analyze(true);
}
#endregion
#region Page title configuration
// Set page title
if (pageType.Equals("WikiPage", StringComparison.InvariantCultureIgnoreCase) && pageTransformationInformation.SourcePage.FieldExistsAndUsed(Constants.FileTitleField))
{
targetPage.PageTitle = pageTransformationInformation.SourcePage[Constants.FileTitleField].ToString();
}
else if (pageType.Equals("WebPartPage"))
{
var titleBarWebPart = pageData.Item2.Where(p => p.Type == WebParts.TitleBar).FirstOrDefault();
if (titleBarWebPart != null)
{
if (titleBarWebPart.Properties.ContainsKey("HeaderTitle") && !string.IsNullOrEmpty(titleBarWebPart.Properties["HeaderTitle"]))
{
targetPage.PageTitle = titleBarWebPart.Properties["HeaderTitle"];
}
}
}
if (pageTransformationInformation.PageTitleOverride != null)
{
targetPage.PageTitle = pageTransformationInformation.PageTitleOverride(targetPage.PageTitle);
}
#endregion
#region Page layout configuration
// Use the default layout transformator
ILayoutTransformator layoutTransformator = new LayoutTransformator(targetPage);
// Do we have an override?
if (pageTransformationInformation.LayoutTransformatorOverride != null)
{
layoutTransformator = pageTransformationInformation.LayoutTransformatorOverride(targetPage);
}
// Apply the layout to the page
layoutTransformator.Transform(pageData.Item1);
#endregion
#region Content transformation
// Use the default content transformator
IContentTransformator contentTransformator = new ContentTransformator(targetPage, pageTransformation);
// Do we have an override?
if (pageTransformationInformation.ContentTransformatorOverride != null)
{
contentTransformator = pageTransformationInformation.ContentTransformatorOverride(targetPage, pageTransformation);
}
// Run the content transformator
contentTransformator.Transform(pageData.Item2);
#endregion
#region Page persisting
// Persist the client side page
targetPage.Save(pageTransformationInformation.TargetPageName);
targetPage.Publish();
#endregion
}
