110 lines
3.8 KiB
TypeScript
110 lines
3.8 KiB
TypeScript
import { LineItemModel } from "avatax/lib/models/LineItemModel";
|
|
import { TransactionModel } from "avatax/lib/models/TransactionModel";
|
|
import { TaxBaseFragment } from "../../../../generated/graphql";
|
|
|
|
import { DocumentType } from "avatax/lib/enums/DocumentType";
|
|
import { ChannelConfig } from "../../channels-configuration/channels-config";
|
|
import { numbers } from "../../taxes/numbers";
|
|
import { CalculateTaxesResponse } from "../../taxes/tax-provider-webhook";
|
|
import { CreateTransactionArgs } from "../avatax-client";
|
|
import { AvataxConfig } from "../avatax-config";
|
|
import { avataxAddressFactory } from "./address-factory";
|
|
|
|
/**
|
|
* * Shipping is a regular line item in Avatax
|
|
* https://developer.avalara.com/avatax/dev-guide/shipping-and-handling/taxability-of-shipping-charges/
|
|
*/
|
|
const SHIPPING_ITEM_CODE = "Shipping";
|
|
|
|
function mapLines(taxBase: TaxBaseFragment, config: AvataxConfig): LineItemModel[] {
|
|
const productLines = taxBase.lines.map((line) => ({
|
|
amount: line.totalPrice.amount,
|
|
taxIncluded: taxBase.pricesEnteredWithTax,
|
|
// todo: get from tax code matcher
|
|
taxCode: "",
|
|
quantity: line.quantity,
|
|
}));
|
|
|
|
if (taxBase.shippingPrice.amount !== 0) {
|
|
// * In Avatax, shipping is a regular line
|
|
const shippingLine: LineItemModel = {
|
|
amount: taxBase.shippingPrice.amount,
|
|
itemCode: SHIPPING_ITEM_CODE,
|
|
taxCode: config.shippingTaxCode,
|
|
quantity: 1,
|
|
taxIncluded: taxBase.pricesEnteredWithTax,
|
|
};
|
|
|
|
return [...productLines, shippingLine];
|
|
}
|
|
|
|
return productLines;
|
|
}
|
|
|
|
export type AvataxCalculateTaxesMapPayloadArgs = {
|
|
taxBase: TaxBaseFragment;
|
|
channel: ChannelConfig;
|
|
config: AvataxConfig;
|
|
};
|
|
|
|
const mapPayload = (props: AvataxCalculateTaxesMapPayloadArgs): CreateTransactionArgs => {
|
|
const { taxBase, channel, config } = props;
|
|
|
|
return {
|
|
model: {
|
|
type: DocumentType.SalesOrder,
|
|
customerCode: taxBase.sourceObject.user?.id ?? "",
|
|
companyCode: config.companyCode,
|
|
// * commit: If true, the transaction will be committed immediately after it is created. See: https://developer.avalara.com/communications/dev-guide_rest_v2/commit-uncommit
|
|
commit: config.isAutocommit,
|
|
addresses: {
|
|
shipFrom: avataxAddressFactory.fromChannelAddress(channel.address),
|
|
shipTo: avataxAddressFactory.fromSaleorAddress(taxBase.address!),
|
|
},
|
|
currencyCode: taxBase.currency,
|
|
lines: mapLines(taxBase, config),
|
|
date: new Date(),
|
|
},
|
|
};
|
|
};
|
|
|
|
const mapResponse = (transaction: TransactionModel): CalculateTaxesResponse => {
|
|
const shippingLine = transaction.lines?.find((line) => line.itemCode === SHIPPING_ITEM_CODE);
|
|
|
|
const productLines = transaction.lines?.filter((line) => line.itemCode !== SHIPPING_ITEM_CODE);
|
|
const shippingTaxCalculated = shippingLine?.taxCalculated ?? 0;
|
|
const shippingTaxableAmount = shippingLine?.taxableAmount ?? 0;
|
|
const shippingGrossAmount = numbers.roundFloatToTwoDecimals(
|
|
shippingTaxableAmount + shippingTaxCalculated
|
|
);
|
|
const shippingNetAmount = shippingGrossAmount;
|
|
|
|
return {
|
|
shipping_price_gross_amount: shippingGrossAmount,
|
|
shipping_price_net_amount: shippingNetAmount,
|
|
// todo: add shipping tax rate
|
|
shipping_tax_rate: 0,
|
|
lines:
|
|
productLines?.map((line) => {
|
|
const lineTaxCalculated = line.taxCalculated ?? 0;
|
|
const lineTotalNetAmount = line.taxableAmount ?? 0;
|
|
const lineTotalGrossAmount = numbers.roundFloatToTwoDecimals(
|
|
lineTotalNetAmount + lineTaxCalculated
|
|
);
|
|
|
|
return {
|
|
total_gross_amount: lineTotalGrossAmount,
|
|
total_net_amount: lineTotalNetAmount,
|
|
// todo: add tax rate
|
|
tax_rate: 0,
|
|
};
|
|
}) ?? [],
|
|
};
|
|
};
|
|
|
|
export const avataxCalculateTaxesMaps = {
|
|
mapPayload,
|
|
mapResponse,
|
|
mapLines,
|
|
shippingItemCode: SHIPPING_ITEM_CODE,
|
|
};
|