private async Task <Blog> BuildBlog(BlogDocument blogDocument)
{
if (blogDocument is null)
{
throw new ArgumentNullException(nameof(blogDocument));
}
var uncompressedBody = new MemoryStream();
using (var zip = new GZipStream(blogDocument.Body, CompressionMode.Decompress, true))
{
await zip.CopyToAsync(uncompressedBody);
}
uncompressedBody.Position = 0L;
var blog = new Blog(
new Guid(blogDocument.Id),
blogDocument.Version,
blogDocument.Created,
blogDocument.Updated,
blogDocument.Author,
uncompressedBody);
return(blog);
}
public async Task <Blog> Save(Blog inputBlog)
{
Blog loadedBlog;
using (var context = new DynamoDBContext(_Client))
{
if (inputBlog is null)
{
throw new ArgumentNullException(nameof(inputBlog));
}
var compressedStream = new MemoryStream();
using (var zip = new GZipStream(compressedStream, CompressionMode.Compress, true))
{
await inputBlog.Body.CopyToAsync(zip);
}
var blogId = inputBlog.Id ?? Guid.NewGuid();
var blogDoc = new BlogDocument
{
Id = blogId.ToString(),
Version = inputBlog.Version,
Created = inputBlog.Created,
Updated = inputBlog.Updated,
Author = inputBlog.Author,
Body = compressedStream
};
await context.SaveAsync <BlogDocument>(blogDoc);
loadedBlog = await LoadBlog(context, blogId);
}
return(loadedBlog);
}