private async Task <AssetPathCollection> ExtractAssets(string source, string suffix, string pagePath, AssetPathCollection assets)
{
if (suffix.ToLower().StartsWith("htm"))
{
var parser = new AngleSharp.Parser.Html.HtmlParser();
var doc = parser.Parse(source);
var images = doc.Images
.Where(x => x.HasAttribute("src"));
var styles = doc.GetElementsByTagName("link")
.Where(l => l.Attributes["rel"].Value.Trim().ToLower() == "stylesheet")
.Where(c => c.HasAttribute("href"));
var scripts = doc.GetElementsByTagName("script")
.Where(x => x.HasAttribute("src"));
assets.AddSerializedAssets(images, "src");
assets.AddSerializedAssets(scripts, "src");
assets.AddSerializedAssets(styles, "href");
foreach (var asset in assets.Assets.Where(a => a.AssetType == "css"))
{
var content = await Zipper.GetStringAsset(asset.OriginalPath, mapPathResolver, webRoot, pagePath);
var binaryContent = Encoding.UTF8.GetBytes(content);
asset.Content = binaryContent;
await ExtractAssets(content, "css", asset.OriginalPath, assets);
}
foreach (var asset in assets.Assets.Where(a => a.AssetType != "css"))
{
var binaryContent = await Zipper.GetBinaryAsset(asset.OriginalPath, mapPathResolver, webRoot, pagePath);
asset.Content = binaryContent;
}
}
else if (suffix.ToLower() == "css")
{
var urls = Zipper.ExtaxtUrlsFromStyle(source);
foreach (var url in urls)
{
var csslocalPath = await Zipper.ReturnLocalPath(url);
var csssuffix = csslocalPath.Split('.').Last();
var newUrl = Guid.NewGuid().ToString().Replace("-", "") + "." + suffix;
source = source.Replace(url, newUrl);
//assets.AddSerializedAssets()
//if (!doneAssets.Contains(newUrl))
//{
// zipArchive.AddBinaryAssetToArchive(newUrl, localPath, mapPathResolver, webRoot, serialStyle.Key);
// doneAssets.Add(newUrl);
//}
}
}
return(assets);
}
public List <Asset> GetCssAssets(string css)
{
var assets = new List <Asset>();
var urls = Zipper.ExtaxtUrlsFromStyle(css);
foreach (var src in urls.Where(s => IsLocalPath(s).Result))
{
var suffix = src.Split('.').Last().Split('?').First().Split('#').First();
var asset = new Asset
{
Uri = src,
Suffix = suffix,
NewUri = Guid.NewGuid().ToString().Replace("-", "")
};
assets.Add(asset);
}
return(assets);
}