public async Task Run(
[QueueTrigger(Constants.BucketsQueue)] QueueItem queueItem,
ILogger logger,
CancellationToken cancellationToken)
{
// Clone/Update bucket repository and retrieve manifests
logger.LogInformation($"Generating manifests list for '{queueItem.Bucket}'");
var manifestsFromBucket = _manifestCrawler
.GetManifestsFromRepository(queueItem.Bucket, cancellationToken)
.ToArray();
logger.LogInformation($"Found {manifestsFromBucket.Length} manifests for {queueItem.Bucket}");
foreach (var manifestInfo in manifestsFromBucket)
{
manifestInfo.Metadata.SetRepositoryMetadata(queueItem.Official, queueItem.Stars);
}
// Retrieve all manifests for this repository from the index
var manifestsFromIndex = (await _indexer.GetExistingManifestsAsync(queueItem.Bucket, cancellationToken)).ToArray();
// Compute changes
var manifestsToRemove = manifestsFromIndex.Except(manifestsFromBucket, ManifestComparer.ManifestIdComparer).ToArray();
var manifestsToAdd = manifestsFromBucket.Except(manifestsFromIndex, ManifestComparer.ManifestIdComparer).ToArray();
var manifestsToUpdate = manifestsFromBucket.Except(manifestsToAdd).Except(manifestsFromIndex, ManifestComparer.ManifestExactComparer).ToArray();
logger.LogInformation($"{manifestsFromIndex.Length} existing manifests. {manifestsToAdd.Length} manifests to add / {manifestsToRemove.Length} manifests to remove / {manifestsToUpdate.Length} manifests to update");
// Remove entries
if (manifestsToRemove.Any())
{
await _indexer.DeleteManifestsAsync(manifestsToRemove, cancellationToken);
}
// Add / Update entries
var manifests = manifestsToAdd.Concat(manifestsToUpdate).ToArray();
if (manifests.Any())
{
await _indexer.AddManifestsAsync(manifests, cancellationToken);
}
}