private async Task <string> UploadArticleEntry(EntryContent entryContent, string content, BlobStorageContainer storageContainer)
{
if (entryContent == null)
{
throw new ArgumentNullException(nameof(entryContent));
}
var contentBase64 = StringUtilities.ToBase64(content);
return(await _blobstore.PersistArticleEntryAsync(storageContainer, entryContent.ArticleId, entryContent.Id, contentBase64));
}