public IHttpActionResult DoExport(CsvExportInfo exportInfo)
{
base.CheckCurrentUserHasPermissionForObjects(CatalogPredefinedPermissions.Export, exportInfo);
var notification = new ExportNotification(_userNameResolver.GetCurrentUserName())
{
Title = "Catalog export task",
Description = "starting export...."
};
_notifier.Upsert(notification);
BackgroundJob.Enqueue(() => BackgroundExport(exportInfo, notification));
return Ok(notification);
}
public void DoExport(Stream outStream, CsvExportInfo exportInfo, Action<ExportImportProgressInfo> progressCallback)
{
var prodgressInfo = new ExportImportProgressInfo
{
Description = "loading products..."
};
var streamWriter = new StreamWriter(outStream, Encoding.UTF8, 1024, true);
streamWriter.AutoFlush = true;
using (var csvWriter = new CsvWriter(streamWriter))
{
//Notification
progressCallback(prodgressInfo);
//Load all products to export
var products = LoadProducts(exportInfo.CatalogId, exportInfo.CategoryIds, exportInfo.ProductIds);
var allProductIds = products.Select(x => x.Id).ToArray();
//Load prices for products
var allProductPrices = new List<Price>();
prodgressInfo.Description = "loading prices...";
progressCallback(prodgressInfo);
var priceEvalContext = new PriceEvaluationContext
{
ProductIds = allProductIds,
PricelistIds = exportInfo.PriceListId == null ? null : new string[] { exportInfo.PriceListId },
Currency = exportInfo.Currency
};
allProductPrices = _pricingService.EvaluateProductPrices(priceEvalContext).ToList();
//Load inventories
var allProductInventories = new List<InventoryInfo>();
prodgressInfo.Description = "loading inventory information...";
progressCallback(prodgressInfo);
allProductInventories = _inventoryService.GetProductsInventoryInfos(allProductIds).Where(x => exportInfo.FulfilmentCenterId == null ? true : x.FulfillmentCenterId == exportInfo.FulfilmentCenterId).ToList();
//Export configuration
exportInfo.Configuration.PropertyCsvColumns = products.SelectMany(x => x.PropertyValues).Select(x => x.PropertyName).Distinct().ToArray();
csvWriter.Configuration.Delimiter = exportInfo.Configuration.Delimiter;
csvWriter.Configuration.RegisterClassMap(new CsvProductMap(exportInfo.Configuration));
//Write header
csvWriter.WriteHeader<CsvProduct>();
prodgressInfo.TotalCount = products.Count();
var notifyProductSizeLimit = 50;
var counter = 0;
foreach (var product in products)
{
try
{
var csvProduct = new CsvProduct(product, _blobUrlResolver, allProductPrices.FirstOrDefault(x => x.ProductId == product.Id), allProductInventories.FirstOrDefault(x => x.ProductId == product.Id));
csvWriter.WriteRecord(csvProduct);
}
catch (Exception ex)
{
prodgressInfo.Errors.Add(ex.ToString());
progressCallback(prodgressInfo);
}
//Raise notification each notifyProductSizeLimit products
counter++;
prodgressInfo.ProcessedCount = counter;
prodgressInfo.Description = string.Format("{0} of {1} products processed", prodgressInfo.ProcessedCount, prodgressInfo.TotalCount);
if (counter % notifyProductSizeLimit == 0 || counter == prodgressInfo.TotalCount)
{
progressCallback(prodgressInfo);
}
}
}
}
// Only public methods can be invoked in the background. (Hangfire)
public void BackgroundExport(CsvExportInfo exportInfo, ExportNotification notifyEvent)
{
var currencies = _commerceService.GetAllCurrencies();
var defaultCurrency = currencies.First(x => x.IsPrimary);
exportInfo.Currency = exportInfo.Currency ?? defaultCurrency.Code;
var catalog = _catalogService.GetById(exportInfo.CatalogId);
if (catalog == null)
{
throw new NullReferenceException("catalog");
}
Action<ExportImportProgressInfo> progressCallback = (x) =>
{
notifyEvent.InjectFrom(x);
_notifier.Upsert(notifyEvent);
};
using (var stream = new MemoryStream())
{
try
{
exportInfo.Configuration = CsvProductMappingConfiguration.GetDefaultConfiguration();
_csvExporter.DoExport(stream, exportInfo, progressCallback);
stream.Position = 0;
var blobRelativeUrl = "temp/Catalog-" + catalog.Name + "-export.csv";
//Upload result csv to blob storage
using (var blobStream = _blobStorageProvider.OpenWrite(blobRelativeUrl))
{
stream.CopyTo(blobStream);
}
//Get a download url
notifyEvent.DownloadUrl = _blobUrlResolver.GetAbsoluteUrl(blobRelativeUrl);
notifyEvent.Description = "Export finished";
}
catch (Exception ex)
{
notifyEvent.Description = "Export failed";
notifyEvent.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
notifyEvent.Finished = DateTime.UtcNow;
_notifier.Upsert(notifyEvent);
}
}
}
public void DoExport(Stream outStream, CsvExportInfo exportInfo, Action <ExportImportProgressInfo> progressCallback)
{
var prodgressInfo = new ExportImportProgressInfo
{
Description = "loading products..."
};
var streamWriter = new StreamWriter(outStream, Encoding.UTF8, 1024, true);
streamWriter.AutoFlush = true;
using (var csvWriter = new CsvWriter(streamWriter))
{
//Notification
progressCallback(prodgressInfo);
//Load all products to export
var products = LoadProducts(exportInfo.CatalogId, exportInfo.CategoryIds, exportInfo.ProductIds);
var allProductIds = products.Select(x => x.Id).ToArray();
//Load prices for products
var allProductPrices = new List <Price>();
prodgressInfo.Description = "loading prices...";
progressCallback(prodgressInfo);
var priceEvalContext = new PriceEvaluationContext
{
ProductIds = allProductIds,
PricelistIds = exportInfo.PriceListId == null ? null : new string[] { exportInfo.PriceListId },
Currency = exportInfo.Currency
};
allProductPrices = _pricingService.EvaluateProductPrices(priceEvalContext).ToList();
//Load inventories
var allProductInventories = new List <InventoryInfo>();
prodgressInfo.Description = "loading inventory information...";
progressCallback(prodgressInfo);
allProductInventories = _inventoryService.GetProductsInventoryInfos(allProductIds).Where(x => exportInfo.FulfilmentCenterId == null ? true : x.FulfillmentCenterId == exportInfo.FulfilmentCenterId).ToList();
//Export configuration
exportInfo.Configuration.PropertyCsvColumns = products.SelectMany(x => x.PropertyValues).Select(x => x.PropertyName).Distinct().ToArray();
csvWriter.Configuration.Delimiter = exportInfo.Configuration.Delimiter;
csvWriter.Configuration.RegisterClassMap(new CsvProductMap(exportInfo.Configuration));
//Write header
csvWriter.WriteHeader <CsvProduct>();
prodgressInfo.TotalCount = products.Count();
var notifyProductSizeLimit = 50;
var counter = 0;
foreach (var product in products)
{
try
{
var csvProduct = new CsvProduct(product, _blobUrlResolver, allProductPrices.FirstOrDefault(x => x.ProductId == product.Id), allProductInventories.FirstOrDefault(x => x.ProductId == product.Id));
csvWriter.WriteRecord(csvProduct);
}
catch (Exception ex)
{
prodgressInfo.Errors.Add(ex.ToString());
progressCallback(prodgressInfo);
}
//Raise notification each notifyProductSizeLimit products
counter++;
prodgressInfo.ProcessedCount = counter;
prodgressInfo.Description = string.Format("{0} of {1} products processed", prodgressInfo.ProcessedCount, prodgressInfo.TotalCount);
if (counter % notifyProductSizeLimit == 0 || counter == prodgressInfo.TotalCount)
{
progressCallback(prodgressInfo);
}
}
}
}