charge.component.ts

    private getTotalPriceWithoutVat(qwis: CWIE[], includeShippingCost: boolean = false): QuotationPrice {
        if (!this._serviceFolder.Refused) {
            const quotationPrice: QuotationPrice = <QuotationPrice>({ public: 0, sales: 0 });

            // Sum all prices of selected work instructions
            qwis
                .filter((qwi: CWIE) => this.filterWorkInstructionForTotalPrice(qwi))
                .forEach((qwie: CWIE) => {
                    quotationPrice.public += (qwie.PublicPriceWithDiscount || 0);
                    quotationPrice.sales += (qwie.SalesPriceWithDiscount || 0);
                    qwie.ChargeSpareParts.forEach((qsp: CSP) => {
                        const qspe: CSPE = <CSPE><any>(qsp);
                        quotationPrice.public += (qspe.PublicPriceWithDiscount || 0) * qspe.EstimationSparePart.Quantity;
                        quotationPrice.sales += (qspe.SalesPriceWithDiscount || 0) * qspe.EstimationSparePart.Quantity;
                    });
                });

            if (includeShippingCost) {
                // Add shipping costs
                quotationPrice.public += this.quotation.ShippingPublic || 0;
                quotationPrice.sales += this.quotation.ShippingSales || 0;
            }

            return quotationPrice;
        } else {
            <QuotationPrice>({ public: this.quotation.TotalWithVATPublic, sales: this.quotation.TotalWithVATSales });
        }
    }

à tester 😝