Product Changes

WDePOS-Product-Changes.m

// End of product changes process
ProductCatalogueProductChangeCompletion completion = ^(NSArray <WDProductCatalogueProduct *> *_Nullable updatedProducts,
                                                       NSArray <NSString *> *_Nullable deletedProducts, NSError * _Nullable error) {
    //updatedProducts contains the details of all products that were updated
    //deletedProducts contains the product IDs of deleted products - these are no longer available for sale
};

//The simplest search will just yield all reasults for the product catalogue
WDProductsQuery *query =  [[WDProductsQuery alloc] initWithCatalogueId:@"My Product Catalogue" // Your product catalogue Id
                                                                  date:[NSDate date]]; // The date since when to get the changes = the date when the client last received the inventory data
//retrieve product changes
[sdk.inventoryManager productsChanges:query // Query products changes
                           completion:completion]; // Product changes process end