54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
import Dinero from "dinero.js";
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export const CalculateBillTotal = (invoice) => {
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const {
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total,
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billlines,
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federal_tax_rate,
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local_tax_rate,
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state_tax_rate,
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} = invoice;
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//TODO Determine why this recalculates so many times.
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let subtotal = Dinero({ amount: 0 });
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let federalTax = Dinero({ amount: 0 });
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let stateTax = Dinero({ amount: 0 });
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let localTax = Dinero({ amount: 0 });
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if (!!!billlines) return null;
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billlines.forEach((i) => {
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if (!!i) {
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const itemTotal = Dinero({
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amount:
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Math.round(((i.actual_cost || 0) * 100 + Number.EPSILON) * 100) / 100,
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}).multiply(i.quantity || 1);
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subtotal = subtotal.add(itemTotal);
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if (i.applicable_taxes.federal) {
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federalTax = federalTax.add(
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itemTotal.percentage(federal_tax_rate || 0)
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);
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}
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if (i.applicable_taxes.state)
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stateTax = stateTax.add(itemTotal.percentage(state_tax_rate || 0));
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if (i.applicable_taxes.local)
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localTax = localTax.add(itemTotal.percentage(local_tax_rate || 0));
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}
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});
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const invoiceTotal = Dinero({ amount: Math.round((total || 0) * 100) });
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const enteredTotal = subtotal.add(federalTax).add(stateTax).add(localTax);
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const discrepancy = enteredTotal.subtract(invoiceTotal);
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return {
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subtotal,
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federalTax,
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stateTax,
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localTax,
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enteredTotal,
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invoiceTotal,
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discrepancy,
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};
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};
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