/// <summary>
/// Uploads a design package to a library. Can be used for uploading sandboxed solutions to solution gallery.
/// </summary>
/// <param name="context"></param>
/// <param name="localFilePath">Path to package (wsp)</param>
public void UploadDesignPackageToSiteAssets(ClientContext context, string localFilePath)
{
var fileName = Path.GetFileName(localFilePath);
var fileExtension = Path.GetExtension(fileName);
if (fileExtension != null && fileExtension.ToLower() != ".wsp")
{
throw new NotSupportedException("Only WSPs can be uploaded into the SharePoint solution store. " +
localFilePath + " is not a wsp");
}
if (string.IsNullOrEmpty(fileName) || _urlToWeb == null)
{
throw new Exception("Could not create path to solution package!");
}
var siteAssetsLibrary = context.Web.Lists.EnsureSiteAssetsLibrary();
context.Load(siteAssetsLibrary);
context.Load(siteAssetsLibrary.RootFolder);
context.ExecuteQuery();
if (_isSharePointOnline)
{
var fileUrl = UriUtilities.CombineAbsoluteUri(_urlToWeb.GetLeftPart(UriPartial.Authority), siteAssetsLibrary.RootFolder.ServerRelativeUrl, fileName);
UploadFileToSharePointOnline(context, localFilePath, fileUrl);
}
else
{
UploadFileToSharePointOnPrem(context, localFilePath, fileName);
}
}