public virtual async Task <AdjustInventoryResult> AdjustInventoryAsync(Product product, ProductVariantAttributeSelection selection, bool decrease, int quantity)
{
Guard.NotNull(product, nameof(product));
Guard.NotNull(selection, nameof(selection));
var result = new AdjustInventoryResult();
switch (product.ManageInventoryMethod)
{
case ManageInventoryMethod.ManageStock:
{
result.StockQuantityOld = product.StockQuantity;
result.StockQuantityNew = decrease
? product.StockQuantity - quantity
: product.StockQuantity + quantity;
var newPublished = product.Published;
var newDisableBuyButton = product.DisableBuyButton;
var newDisableWishlistButton = product.DisableWishlistButton;
// Check if the minimum quantity is reached.
switch (product.LowStockActivity)
{
case LowStockActivity.DisableBuyButton:
newDisableBuyButton = product.MinStockQuantity >= result.StockQuantityNew;
newDisableWishlistButton = product.MinStockQuantity >= result.StockQuantityNew;
break;
case LowStockActivity.Unpublish:
newPublished = product.MinStockQuantity <= result.StockQuantityNew;
break;
}
product.StockQuantity = result.StockQuantityNew;
product.DisableBuyButton = newDisableBuyButton;
product.DisableWishlistButton = newDisableWishlistButton;
product.Published = newPublished;
// Commit required because of store owner notification.
await _db.SaveChangesAsync();
if (decrease && product.NotifyAdminForQuantityBelow > result.StockQuantityNew)
{
await _messageFactory.SendQuantityBelowStoreOwnerNotificationAsync(product, _localizationSettings.DefaultAdminLanguageId);
}
}
break;
case ManageInventoryMethod.ManageStockByAttributes:
{
var combination = await _productAttributeMaterializer.FindAttributeCombinationAsync(product.Id, selection);
if (combination != null)
{
result.StockQuantityOld = combination.StockQuantity;
result.StockQuantityNew = decrease
? combination.StockQuantity - quantity
: combination.StockQuantity + quantity;
combination.StockQuantity = result.StockQuantityNew;
}
}
break;
case ManageInventoryMethod.DontManageStock:
default:
// Do nothing.
break;
}
var attributeValues = await _productAttributeMaterializer.MaterializeProductVariantAttributeValuesAsync(selection);
var productLinkageValues = attributeValues
.Where(x => x.ValueType == ProductVariantAttributeValueType.ProductLinkage)
.ToList();
foreach (var chunk in productLinkageValues.Slice(100))
{
var linkedProductIds = chunk.Select(x => x.LinkedProductId).Distinct().ToArray();
var linkedProducts = await _db.Products.GetManyAsync(linkedProductIds, true);
var linkedProductsDic = linkedProducts.ToDictionarySafe(x => x.Id);
foreach (var value in chunk)
{
if (linkedProductsDic.TryGetValue(value.LinkedProductId, out var linkedProduct))
{
await AdjustInventoryAsync(linkedProduct, null, decrease, quantity *value.Quantity);
}
}
}
await _db.SaveChangesAsync();
return(result);
}
public virtual async Task <AdjustInventoryResult> AdjustInventoryAsync(Product product, ProductVariantAttributeSelection selection, bool decrease, int quantity)
{
Guard.NotNull(product, nameof(product));
Guard.NotNull(selection, nameof(selection));
var result = new AdjustInventoryResult();
switch (product.ManageInventoryMethod)
{
case ManageInventoryMethod.ManageStock:
{
result.StockQuantityOld = product.StockQuantity;
result.StockQuantityNew = decrease
? product.StockQuantity - quantity
: product.StockQuantity + quantity;
var newPublished = product.Published;
var newDisableBuyButton = product.DisableBuyButton;
var newDisableWishlistButton = product.DisableWishlistButton;
// Check if the minimum quantity is reached.
switch (product.LowStockActivity)
{
case LowStockActivity.DisableBuyButton:
newDisableBuyButton = product.MinStockQuantity >= result.StockQuantityNew;
newDisableWishlistButton = product.MinStockQuantity >= result.StockQuantityNew;
break;
case LowStockActivity.Unpublish:
newPublished = product.MinStockQuantity <= result.StockQuantityNew;
break;
}
product.StockQuantity = result.StockQuantityNew;
product.DisableBuyButton = newDisableBuyButton;
product.DisableWishlistButton = newDisableWishlistButton;
product.Published = newPublished;
// TODO: (mg) (core) ProductService.AdjustInventoryAsync doesn't send SendQuantityBelowStoreOwnerNotification anymore. Must be sent by caller after (!) database commit.
// TODO: (mg) (core) The caller should definitely NOT be responsible for figuring out, when and how to publish messages. That would be extremely bad API design.
//if (decrease && product.NotifyAdminForQuantityBelow > result.StockQuantityNew)
//{
// _services.MessageFactory.SendQuantityBelowStoreOwnerNotification(product, _localizationSettings.DefaultAdminLanguageId);
//}
}
break;
case ManageInventoryMethod.ManageStockByAttributes:
{
var combination = await _productAttributeMaterializer.FindAttributeCombinationAsync(product.Id, selection);
if (combination != null)
{
result.StockQuantityOld = combination.StockQuantity;
result.StockQuantityNew = decrease
? combination.StockQuantity - quantity
: combination.StockQuantity + quantity;
combination.StockQuantity = result.StockQuantityNew;
}
}
break;
case ManageInventoryMethod.DontManageStock:
default:
// Do nothing.
break;
}
var attributeValues = await _productAttributeMaterializer.MaterializeProductVariantAttributeValuesAsync(selection);
var productLinkageValues = attributeValues
.Where(x => x.ValueType == ProductVariantAttributeValueType.ProductLinkage)
.ToList();
foreach (var chunk in productLinkageValues.Slice(100))
{
var linkedProductIds = chunk.Select(x => x.LinkedProductId).Distinct().ToArray();
var linkedProducts = await _db.Products.GetManyAsync(linkedProductIds, true);
var linkedProductsDic = linkedProducts.ToDictionarySafe(x => x.Id);
foreach (var value in chunk)
{
if (linkedProductsDic.TryGetValue(value.LinkedProductId, out var linkedProduct))
{
await AdjustInventoryAsync(linkedProduct, null, decrease, quantity *value.Quantity);
}
}
}
return(result);
}
