woocommerce/plugins/woocommerce-admin/client/lib/order-values/totals.js

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/**
* External dependencies
*/
import { find, get } from 'lodash';
/**
* Get the total for the discount value
*
* @param {Object} order An order as returned from API
* @return {number} Total amount as a decimal number
*/
export function getOrderDiscountTotal( order ) {
const coupons = get( order, 'coupon_lines', [] );
const total = coupons.reduce(
( sum, value ) => sum + parseFloat( value.discount ),
0
);
return parseFloat( total ) || 0;
}
/**
* Get the value for a single fee on a given order
*
* @param {Object} order An order as returned from API
* @param {number} id The ID of the fee_line
* @return {number} The total fee amount as a decimal number
*/
export function getOrderFeeCost( order, id ) {
const item = find( get( order, 'fee_lines', [] ), { id } );
if ( item ) {
return parseFloat( item.total ) || 0;
}
return 0;
}
/**
* Get the fee total on a given order
*
* @param {Object} order An order as returned from API
* @return {number} The total fee amount as a decimal number
*/
export function getOrderFeeTotal( order ) {
const fees = get( order, 'fee_lines', [] );
const total = fees.reduce(
( sum, value ) => sum + parseFloat( value.total ),
0
);
return parseFloat( total ) || 0;
}
/**
* Get the individual price for a given item, pre-discounts.
*
* @param {Object} order An order as returned from API
* @param {number} id The ID of the line_item
* @return {number} Total amount as a decimal number
*/
export function getOrderItemCost( order, id ) {
const item = find( get( order, 'line_items', [] ), { id } );
const subtotal = parseFloat( get( item, 'subtotal', 0 ) ) || 0;
const qty = parseFloat( get( item, 'quantity', 1 ) ) || 1;
return subtotal / qty;
}
/**
* Get the refund value on a given order
*
* @param {Object} order An order as returned from API
* @return {number} The refund amount as a decimal number
*/
export function getOrderRefundTotal( order ) {
const refunds = get( order, 'refunds', [] );
const total = refunds.reduce(
( sum, value ) => sum + parseFloat( value.total ),
0
);
return parseFloat( total ) || 0;
}
/**
* Get the total for the shipping value
*
* @param {Object} order An order as returned from API
* @return {number} Total amount as a decimal number
*/
export function getOrderShippingTotal( order ) {
const shipping = get( order, 'shipping_lines', [] );
const total = shipping.reduce(
( sum, value ) => sum + parseFloat( value.total ),
0
);
return parseFloat( total ) || 0;
}
/**
* Get the total for the subtotal value (total of all line items)
*
* @param {Object} order An order as returned from API
* @return {number} Total amount as a decimal number
*/
export function getOrderSubtotal( order ) {
const items = get( order, 'line_items', [] );
const total = items.reduce(
( sum, value ) => sum + parseFloat( value.subtotal ),
0
);
return parseFloat( total ) || 0;
}
/**
* Get the total value on a given order
*
* @param {Object} order An order as returned from API
* @return {number} The total amount as a decimal number
*/
export function getOrderTotal( order ) {
const discount = getOrderDiscountTotal( order );
const fees = getOrderFeeTotal( order );
const refunds = getOrderRefundTotal( order );
const shipping = getOrderShippingTotal( order );
const subtotal = getOrderSubtotal( order );
// Refunds are negative, but discounts are not
return subtotal - discount + fees + shipping + refunds;
}