/// <summary>
/// Asynchronously downloads a resource. Resource version must be specified.
/// </summary>
/// <param name="resourceId">Hash of the resource to download</param>
/// <param name="resourceType">Resource type</param>
/// <param name="payloadType">Payload type</param>
/// <param name="variantType">Variant type</param>
/// <param name="version">Version string</param>
/// <param name="client">Client used for downloading</param>
/// <param name="progress">Optional progress report callback</param>
/// <returns>Task for downloading the specified resource</returns>
public static async Task <DownloadResults> DownloadResourceAsync(string resourceId, ResourceType resourceType, PayloadType payloadType, VariantType variantType, string version, IHttpClientProvider client, IProgress <ProgressEventArgs> progress = null)
{
var resourceTypeName = GetResourceTypeName(resourceType);
var payloadTypeName = GetPayloadTypeName(payloadType);
var variantTypeName = GetVariantTypeName(variantType);
var itemName = $"{ resourceId }.{ resourceTypeName}.v{version}.{payloadTypeName}.v0.{variantTypeName}";
var address = $"http://sansar-asset-production.s3-us-west-2.amazonaws.com/{itemName}";
progress?.Report(new ProgressEventArgs
{
BytesDownloaded = 0,
CurrentResourceIndex = 0,
Resource = address,
Status = ProgressStatus.Idling,
TotalBytes = 1,
TotalResources = 1
});
var progressMiddleman = new Progress <ProgressEventArgs>(args =>
{
progress?.Report(new ProgressEventArgs
{
BytesDownloaded = args.BytesDownloaded,
TotalBytes = args.TotalResources,
Resource = args.Resource,
Status = args.Status,
CurrentResourceIndex = 0,
TotalResources = 1
});
});
return(new DownloadResults
{
Name = itemName,
Version = version,
Bytes = await client.GetByteArrayAsync(address, progressMiddleman).ConfigureAwait(false)
});
}
/// <summary>
/// Asynchronously downloads a resource. Attempts to find the latest resource version.
/// </summary>
/// <param name="resourceId">Hash of the resource to download</param>
/// <param name="resourceType">Resource type</param>
/// <param name="payloadType">Payload type</param>
/// <param name="variantType">Variant type</param>
/// <param name="client">Client used for downloading</param>
/// <param name="progress">Optional progress report callback</param>
/// <returns>Task for downloading the specified resource</returns>
public static async Task <DownloadResults> DownloadResourceAsync(string resourceId, ResourceType resourceType, PayloadType payloadType, VariantType variantType, IHttpClientProvider client, IProgress <ProgressEventArgs> progress = null)
{
Exception lastException = null;
var resourceTypeName = GetResourceTypeName(resourceType);
var versions = AssetVersions.GetResourceVersions(resourceType);
var payloadTypeName = GetPayloadTypeName(payloadType);
var variantTypeName = GetVariantTypeName(variantType);
var currentResourceIndex = 0;
var totalResources = versions.Count;
foreach (string version in versions)
{
progress?.Report(new ProgressEventArgs
{
BytesDownloaded = 0,
CurrentResourceIndex = currentResourceIndex,
Resource = version,
Status = ProgressStatus.Idling,
TotalBytes = 1,
TotalResources = totalResources
});
var progressMiddleman = new Progress <ProgressEventArgs>(args => {
progress?.Report(new ProgressEventArgs
{
BytesDownloaded = args.BytesDownloaded,
TotalBytes = args.TotalBytes,
Resource = args.Resource,
Status = args.Status,
// ReSharper disable once AccessToModifiedClosure
CurrentResourceIndex = currentResourceIndex,
TotalResources = totalResources
});
});
try
{
var itemName = $"{ resourceId }.{ resourceTypeName}.v{version.ToLower()}.{payloadTypeName}.v0.{variantTypeName}";
var address = $"http://sansar-asset-production.s3-us-west-2.amazonaws.com/{itemName}";
var bytes = await client.GetByteArrayAsync(address, progressMiddleman).ConfigureAwait(false);
return(new DownloadResults
{
Name = itemName,
Version = version,
Bytes = bytes
});
}
catch (Exception ex)
{
lastException = ex;
progress?.Report(new ProgressEventArgs
{
BytesDownloaded = 0,
CurrentResourceIndex = currentResourceIndex,
Resource = version,
Status = ProgressStatus.Error,
TotalBytes = 1,
TotalResources = totalResources
});
}
++currentResourceIndex;
}
if (lastException != null)
{
throw lastException;
}
return(null);
}
