private static int CountBlock(TLWebPage webPage, TLPageBlockBase pageBlock, int count)
{
if (pageBlock is TLPageBlockPhoto photoBlock)
{
var photo = GetPhotoWithId(webPage, photoBlock.PhotoId) as TLPhoto;
if (photo == null)
{
return(count);
}
return(count + 1);
}
else if (pageBlock is TLPageBlockVideo videoBlock)
{
var document = GetDocumentWithId(webPage, videoBlock.VideoId) as TLDocument;
if (document == null)
{
return(count);
}
return(count + 1);
}
return(count);
}
public static int CountWebPageMedia(TLWebPage webPage)
{
var result = 0;
var blocks = webPage.CachedPage?.Blocks ?? new TLVector <TLPageBlockBase>();
foreach (var block in blocks)
{
if (block is TLPageBlockSlideshow slideshow)
{
foreach (var item in slideshow.Items)
{
result = CountBlock(webPage, item, result);
}
}
else if (block is TLPageBlockCollage collage)
{
foreach (var item in collage.Items)
{
result = CountBlock(webPage, item, result);
}
}
}
return(result);
}
public static TLDocumentBase GetDocumentWithId(TLWebPage webPage, long id)
{
if (webPage == null || webPage.CachedPage == null)
{
return(null);
}
if (webPage.Document != null && webPage.Document.Id == id)
{
return(webPage.Document);
}
foreach (var document in webPage.CachedPage.Documents)
{
if (document.Id == id)
{
return(document);
}
}
return(null);
}
public static TLPhotoBase GetPhotoWithId(TLWebPage webPage, long id)
{
if (webPage == null || webPage.CachedPage == null)
{
return(null);
}
if (webPage.Photo != null && webPage.Photo.Id == id)
{
return(webPage.Photo);
}
foreach (var photo in webPage.CachedPage.Photos)
{
if (photo.Id == id)
{
return(photo);
}
}
return(null);
}