private async Task <bool> CreatePrepressPackageAsync(string url, ArtPackageResource package)
{
using (var client = GetClient())
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(MediaTypeJson));
var response = await client.PostAsJsonAsync(url, package);
return(response.IsSuccessStatusCode);
}
}
/// <summary>
/// This creates an artwork package for an order and uploads the artwork files
/// </summary>
/// <param name="orderId">The Order for which the artwork is being uploaded for</param>
/// <param name="hubId">The Hub for which the order is registered to</param>
/// <param name="files">A list of files to be uploaded</param>
/// <returns>An asynchronous task with a void type</returns>
public async Task UploadArtworkAsync(string orderId, string hubId, IEnumerable <string> files)
{
//connect to the prepress api and upload the artwork files
var uploadedFileUrls = new List <FileUploadResource>();
var discovery = await DiscoverPrepressAsync();
var uploadUrl = discovery.UploadUrl;
var packageUrl = discovery.PackageUrl;
foreach (var file in files)
{
//foreach file
// create an upload resource
var mimeType = MimeMapping.GetMimeMapping(file);
using (var stream = File.OpenRead(file))
{
var resource = await CreateFileResourceAsync(uploadUrl, orderId, Path.GetFileName(file), stream.Length, mimeType);
uploadedFileUrls.Add(resource);
var md5 = MD5.Create();
var cs = new CryptoStream(new MemoryStream(), md5, CryptoStreamMode.Write);
var fileLink = resource.Links.FindLinkByRelation(PrepressApiDiscovery.Self);
var chunkLink = resource.Links.FindLinkByRelation(PrepressApiDiscovery.ChunksRelation);
var contentLink = resource.Links.FindLinkByRelation(PrepressApiDiscovery.UploadContentRelation);
if (fileLink == null || chunkLink == null || contentLink == null)
{
throw new ApplicationException("Links not found");
}
byte[] buffer = new byte[FileChunkSize];
int bytesRead;
while ((bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length)) > 0)
{
var chunk = new byte[bytesRead];
Buffer.BlockCopy(buffer, 0, chunk, 0, bytesRead);
await CreateChunkResourceAsync(chunkLink.Uri, chunk);
cs.Write(buffer, 0, bytesRead);
}
cs.FlushFinalBlock();
//patch MD5
await PatchMD5(fileLink.Uri, BitConverter.ToString(md5.Hash).Replace("-", string.Empty).ToLower());
}
}
//create prepress order resource(attaching files uploaded)
var pkg = new ArtPackageResource
{
HubId = hubId,
OrderId = orderId,
Files = uploadedFileUrls.Select(x => new
{
ContentType = x.ContentType,// "",//files.SingleOrDefault(y => Path.GetFileName(y) == x.Filename)?.MimeType,
Name = x.Filename,
Url = x.Links.FindLinkByRelation(PrepressApiDiscovery.UploadContentRelation)?.Uri
}).ToArray()
};
await CreatePrepressPackageAsync(packageUrl, pkg);
}
