public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = "CatalogueScanState/Update")] CatalogueScanStateDto dto,
[DurableClient] IDurableEntityClient durableEntityClient
)
{
#region null checks
if (dto is null)
{
throw new ArgumentNullException(nameof(dto));
}
if (durableEntityClient is null)
{
throw new ArgumentNullException(nameof(durableEntityClient));
}
#endregion
var entityId = ICatalogueScanState.CreateId(new CatalogueScanStateKey(dto.CatalogueType, dto.Store, dto.CatalogueId));
await durableEntityClient.SignalEntityAsync <ICatalogueScanState>(
entityId,
(scanState) => scanState.UpdateState(dto.ScanState)
).ConfigureAwait(false);
return(new OkResult());
}
public static async Task RunOrchestrator([OrchestrationTrigger] IDurableOrchestrationContext context, ILogger log)
{
#region null checks
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
if (log is null)
{
throw new ArgumentNullException(nameof(log));
}
#endregion
log = context.CreateReplaySafeLogger(log);
var catalogueDownloadInfo = context.GetInput <SaleFinderCatalogueDownloadInformation>();
var scanStateId = ICatalogueScanState.CreateId(new CatalogueScanStateKey(CatalogueType, catalogueDownloadInfo.Store, catalogueDownloadInfo.SaleId.ToString(CultureInfo.InvariantCulture)));
var scanState = context.CreateEntityProxy <ICatalogueScanState>(scanStateId);
using (await context.LockAsync(scanStateId).ConfigureAwait(true))
{
#region Check and update the catalogue's scan state
context.SetCustomStatus("CheckingState");
log.LogDebug($"Checking state - {scanStateId.EntityKey}");
var state = await scanState.GetState().ConfigureAwait(true);
if (state != ScanState.NotStarted)
{
log.LogInformation($"Catalogue {scanStateId.EntityKey} already in state {state}, skipping scan.");
context.SetCustomStatus("Skipped");
return;
}
await scanState.UpdateState(ScanState.InProgress).ConfigureAwait(true);
#endregion
#region Download catalogue
context.SetCustomStatus("Downloading");
log.LogDebug($"Downloading - {scanStateId.EntityKey}");
var downloadedCatalogue = await context.CallActivityAsync <Catalogue>(SaleFinderFunctionNames.DownloadSaleFinderCatalogue, catalogueDownloadInfo).ConfigureAwait(true);
#endregion
#region Filter catalouge items
context.SetCustomStatus("Filtering");
log.LogDebug($"Filtering - {scanStateId.EntityKey}");
var itemTasks = downloadedCatalogue.Items
.Select(item => context.CallActivityAsync <CatalogueItem?>(CoreFunctionNames.FilterCatalogueItem, item))
.ToList();
await Task.WhenAll(itemTasks).ConfigureAwait(true);
#endregion
#region Send digest email
context.SetCustomStatus("SendingDigestEmail");
log.LogDebug($"Sending digest email - {scanStateId.EntityKey}");
var filteredItems = itemTasks
.Where(task => task.Result != null)
.Select(task => task.Result !)
.ToList();
if (filteredItems.Any())
{
var filteredCatalogue = new Catalogue(downloadedCatalogue.Store, downloadedCatalogue.StartDate, downloadedCatalogue.EndDate, filteredItems);
await context.CallActivityAsync(CoreFunctionNames.SendCatalogueDigestEmail, filteredCatalogue).ConfigureAwait(true);
}
else
{
log.LogInformation($"Catalogue {scanStateId.EntityKey} had no matching items, skipping digest email.");
}
#endregion
#region Update catalogue's scan state
context.SetCustomStatus("UpdatingState");
log.LogDebug($"Updating state - {scanStateId.EntityKey}");
await scanState.UpdateState(ScanState.Completed).ConfigureAwait(true);
#endregion
log.LogDebug($"Completed - {scanStateId.EntityKey}");
context.SetCustomStatus("Completed");
}
}