public async Task Should_find_asset_by_id_and_version_and_enrich_it()
{
var asset = CreateAsset(DomainId.NewGuid());
A.CallTo(() => assetLoader.GetAsync(appId.Id, asset.Id, 2))
.Returns(asset);
var result = await sut.FindAsync(requestContext, asset.Id, 2);
AssertAsset(asset, result);
}
public async Task <IEnrichedAssetEntity?> FindAsync(Context context, DomainId id, long version = EtagVersion.Any,
CancellationToken ct = default)
{
Guard.NotNull(context, nameof(context));
using (Profiler.TraceMethod <AssetQueryService>())
{
IAssetEntity?asset;
if (version > EtagVersion.Empty)
{
asset = await assetLoader.GetAsync(context.App.Id, id, version);
}
else
{
asset = await assetRepository.FindAssetAsync(context.App.Id, id, ct);
}
if (asset == null)
{
return(null);
}
return(await TransformAsync(context, asset, ct));
}
}
public async Task <IEnrichedAssetEntity?> FindAsync(Context context, DomainId id, long version = EtagVersion.Any,
CancellationToken ct = default)
{
Guard.NotNull(context, nameof(context));
using (Telemetry.Activities.StartActivity("AssetQueryService/FindAsync"))
{
IAssetEntity?asset;
if (version > EtagVersion.Empty)
{
asset = await assetLoader.GetAsync(context.App.Id, id, version);
}
else
{
asset = await FindCoreAsync(context, id, ct);
}
if (asset == null)
{
return(null);
}
return(await TransformAsync(context, asset, ct));
}
}
protected override async Task <EnrichedAssetEvent> CreateEnrichedEventAsync(Envelope <AssetEvent> @event)
{
var result = new EnrichedAssetEvent();
var asset = await assetLoader.GetAsync(@event.Payload.AssetId, @event.Headers.EventStreamNumber());
SimpleMapper.Map(asset, result);
switch (@event.Payload)
{
case AssetCreated _:
result.Type = EnrichedAssetEventType.Created;
break;
case AssetAnnotated _:
result.Type = EnrichedAssetEventType.Annotated;
break;
case AssetUpdated _:
result.Type = EnrichedAssetEventType.Updated;
break;
case AssetDeleted _:
result.Type = EnrichedAssetEventType.Deleted;
break;
}
result.Name = $"Asset{result.Type}";
return(result);
}
public async Task Should_enrich_events(AssetEvent @event, EnrichedAssetEventType type)
{
var envelope = Envelope.Create <AppEvent>(@event).SetEventStreamNumber(12);
A.CallTo(() => assetLoader.GetAsync(@event.AssetId, 12))
.Returns(new AssetEntity());
var result = await sut.CreateEnrichedEventAsync(envelope) as EnrichedAssetEvent;
Assert.Equal(type, result !.Type);
}
public async Task <IActionResult> GetAssetContentBySlug(string app, string idOrSlug, [FromQuery] AssetContentQueryDto queries, string?more = null)
{
var asset = await assetRepository.FindAssetAsync(AppId, DomainId.Create(idOrSlug));
if (asset == null)
{
asset = await assetRepository.FindAssetBySlugAsync(AppId, idOrSlug);
}
if (asset != null && queries.Version > EtagVersion.Any && asset.Version != queries.Version)
{
asset = await assetLoader.GetAsync(App.Id, asset.Id, queries.Version);
}
return(DeliverAsset(asset, queries));
}
protected override async Task <EnrichedAssetEvent?> CreateEnrichedEventAsync(Envelope <AssetEvent> @event)
{
if (@event.Payload is AssetMoved)
{
return(null);
}
var result = new EnrichedAssetEvent();
var asset = await assetLoader.GetAsync(
@event.Payload.AppId.Id,
@event.Payload.AssetId,
@event.Headers.EventStreamNumber());
if (asset == null)
{
throw new DomainObjectNotFoundException(@event.Payload.AssetId.ToString());
}
SimpleMapper.Map(asset, result);
result.AssetType = asset.Type;
switch (@event.Payload)
{
case AssetCreated _:
result.Type = EnrichedAssetEventType.Created;
break;
case AssetAnnotated _:
result.Type = EnrichedAssetEventType.Annotated;
break;
case AssetUpdated _:
result.Type = EnrichedAssetEventType.Updated;
break;
case AssetDeleted _:
result.Type = EnrichedAssetEventType.Deleted;
break;
}
result.Name = $"Asset{result.Type}";
return(result);
}
public async Task Should_create_enriched_events(AssetEvent @event, EnrichedAssetEventType type)
{
var ctx = Context();
@event.AppId = ctx.AppId;
var envelope = Envelope.Create <AppEvent>(@event).SetEventStreamNumber(12);
A.CallTo(() => assetLoader.GetAsync(ctx.AppId.Id, @event.AssetId, 12))
.Returns(new AssetEntity());
var result = await sut.CreateEnrichedEventsAsync(envelope, ctx, default).ToListAsync();
var enrichedEvent = result.Single() as EnrichedAssetEvent;
Assert.Equal(type, enrichedEvent !.Type);
}
public async IAsyncEnumerable <EnrichedEvent> CreateEnrichedEventsAsync(Envelope <AppEvent> @event, RuleContext context,
[EnumeratorCancellation] CancellationToken ct)
{
var assetEvent = (AssetEvent)@event.Payload;
var result = new EnrichedAssetEvent();
var asset = await assetLoader.GetAsync(
assetEvent.AppId.Id,
assetEvent.AssetId,
@event.Headers.EventStreamNumber());
if (asset != null)
{
SimpleMapper.Map(asset, result);
result.PixelHeight = asset.Metadata?.GetPixelHeight();
result.PixelWidth = asset.Metadata?.GetPixelWidth();
result.AssetType = asset.Type;
}
switch (@event.Payload)
{
case AssetCreated:
result.Type = EnrichedAssetEventType.Created;
break;
case AssetAnnotated:
result.Type = EnrichedAssetEventType.Annotated;
break;
case AssetUpdated:
result.Type = EnrichedAssetEventType.Updated;
break;
case AssetDeleted:
result.Type = EnrichedAssetEventType.Deleted;
break;
}
yield return(result);
}
private async Task <IActionResult> DeliverAssetAsync(IAssetEntity?asset, AssetContentQueryDto query)
{
query ??= new AssetContentQueryDto();
if (asset == null)
{
return(NotFound());
}
if (asset.IsProtected && !Resources.CanReadEvents)
{
return(StatusCode(403));
}
if (query.Version > EtagVersion.Any && asset.Version != query.Version)
{
asset = await assetLoader.GetAsync(asset.Id, query.Version);
}
var resizeOptions = query.ToResizeOptions(asset);
FileCallback callback;
Response.Headers[HeaderNames.ETag] = asset.FileVersion.ToString();
if (query.CacheDuration > 0)
{
Response.Headers[HeaderNames.CacheControl] = $"public,max-age={query.CacheDuration}";
}
var contentLength = (long?)null;
if (asset.Type == AssetType.Image && resizeOptions.IsValid)
{
callback = new FileCallback(async(bodyStream, range, ct) =>
{
var resizedAsset = $"{asset.Id}_{asset.FileVersion}_{resizeOptions}";
if (query.ForceResize)
{
await ResizeAsync(asset, bodyStream, resizedAsset, resizeOptions, true, ct);
}
else
{
try
{
await assetStore.DownloadAsync(resizedAsset, bodyStream);
}
catch (AssetNotFoundException)
{
await ResizeAsync(asset, bodyStream, resizedAsset, resizeOptions, false, ct);
}
}
});
}
else
{
contentLength = asset.FileSize;
callback = new FileCallback(async(bodyStream, range, ct) =>
{
await assetFileStore.DownloadAsync(asset.Id, asset.FileVersion, bodyStream, range, ct);
});
}
return(new FileCallbackResult(asset.MimeType, callback)
{
EnableRangeProcessing = contentLength > 0,
ErrorAs404 = true,
FileDownloadName = asset.FileName,
FileSize = contentLength,
LastModified = asset.LastModified.ToDateTimeOffset(),
SendInline = query.Download != 1
});
}
private async Task <IActionResult> DeliverAssetAsync(Context context, IAssetEntity?asset, AssetContentQueryDto request)
{
request ??= new AssetContentQueryDto();
if (asset == null)
{
return(NotFound());
}
if (asset.IsProtected && !Resources.CanReadAssets)
{
Response.Headers[HeaderNames.CacheControl] = "public,max-age=0";
return(StatusCode(403));
}
if (asset != null && request.Version > EtagVersion.Any && asset.Version != request.Version)
{
if (context.App != null)
{
asset = await assetQuery.FindAsync(context, asset.Id, request.Version, HttpContext.RequestAborted);
}
else
{
// Fallback for old endpoint. Does not set the surrogate key.
asset = await assetLoader.GetAsync(asset.AppId.Id, asset.Id, request.Version);
}
}
if (asset == null)
{
return(NotFound());
}
var resizeOptions = request.ToResizeOptions(asset);
FileCallback callback;
Response.Headers[HeaderNames.ETag] = asset.FileVersion.ToString();
if (request.CacheDuration > 0)
{
Response.Headers[HeaderNames.CacheControl] = $"public,max-age={request.CacheDuration}";
}
var contentLength = (long?)null;
if (asset.Type == AssetType.Image && resizeOptions.IsValid)
{
callback = async(bodyStream, range, ct) =>
{
var resizedAsset = $"{asset.AppId.Id}_{asset.Id}_{asset.FileVersion}_{resizeOptions}";
if (request.ForceResize)
{
await ResizeAsync(asset, bodyStream, resizedAsset, resizeOptions, true, ct);
}
else
{
try
{
await assetStore.DownloadAsync(resizedAsset, bodyStream, ct : ct);
}
catch (AssetNotFoundException)
{
await ResizeAsync(asset, bodyStream, resizedAsset, resizeOptions, false, ct);
}
}
};
}
else
{
contentLength = asset.FileSize;
callback = async(bodyStream, range, ct) =>
{
await assetFileStore.DownloadAsync(asset.AppId.Id, asset.Id, asset.FileVersion, bodyStream, range, ct);
};
}
return(new FileCallbackResult(asset.MimeType, callback)
{
EnableRangeProcessing = contentLength > 0,
ErrorAs404 = true,
FileDownloadName = asset.FileName,
FileSize = contentLength,
LastModified = asset.LastModified.ToDateTimeOffset(),
SendInline = request.Download != 1
});
}
