Mostly working with Product + Version and Sku + Version.

There will still be many errors. But this is working somewhat

bookie/src/app/update-product-prices/update-product-prices.service.ts

@@ -4,7 +4,7 @@ import { Observable } from 'rxjs';
 import { catchError } from 'rxjs/operators';
 
 import { ErrorLoggerService } from '../core/error-logger.service';
-import { Product } from '../core/product';
+import { StockKeepingUnit as Product } from '../core/stock-keeping-unit';
 import { UpdateProductPrices } from './update-product-prices';
 
 const url = '/api/update-product-prices';