Add toCents support

djMax · Dec 22, 2014 · 243bf90 · 243bf90
1 parent 9c812ca
commit 243bf90
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Showing 6 changed files with 32 additions and 7 deletions.
diff --git a/dist/paypal-invoice.js b/dist/paypal-invoice.js
@@ -30,17 +30,20 @@ var currencyProperties = {
     USD: {
         symbol: '$',
         decimals: 2,
-        round: BigNum.ROUND_HALF_UP
+        round: BigNum.ROUND_HALF_UP,
+        iso4217: 840
     },
     GBP: {
         symbol: '£',
         decimals: 2,
-        round: BigNum.ROUND_HALF_UP
+        round: BigNum.ROUND_HALF_UP,
+        iso4217: 826
     },
     AUD: {
         symbol: '$',
         decimals: 2,
-        round: BigNum.ROUND_HALF_UP
+        round: BigNum.ROUND_HALF_UP,
+        iso4217: 36
     }
 };
 
@@ -56,6 +59,10 @@ module.exports = {
     newNumber: function (v) {
         return new BigNum(v);
     },
+    toCents: function (currency, amount) {
+        var decimals = currencyProperties[currency].decimals;
+        return new BigNum(10).pow(decimals).times(amount);
+    },
     properties: currencyProperties
 };
 
@@ -303,7 +310,10 @@ var InvoiceTotals = function (invoice) {
 
 InvoiceTotals.prototype = {
     _round: function (amt) {
-      return currency.round(this.invoice.currencyCode, amt);
+        return currency.round(this.invoice.currencyCode, amt);
+    },
+    toCents: function (amt) {
+        return currency.toCents(this.invoice.currencyCode, amt);
     },
     generateRoundedTaxDetailsFromTaxes: function (taxes) {
         var roundedTaxDetails = {};

diff --git a/dist/paypal-invoice.min.js b/dist/paypal-invoice.min.js
diff --git a/lib/currency.js b/lib/currency.js
@@ -35,6 +35,10 @@ module.exports = {
     newNumber: function (v) {
         return new BigNum(v);
     },
+    toCents: function (currency, amount) {
+        var decimals = currencyProperties[currency].decimals;
+        return new BigNum(10).pow(decimals).times(amount);
+    },
     properties: currencyProperties
 };
 
diff --git a/lib/totals.js b/lib/totals.js
@@ -51,7 +51,10 @@ var InvoiceTotals = function (invoice) {
 
 InvoiceTotals.prototype = {
     _round: function (amt) {
-      return currency.round(this.invoice.currencyCode, amt);
+        return currency.round(this.invoice.currencyCode, amt);
+    },
+    toCents: function (amt) {
+        return currency.toCents(this.invoice.currencyCode, amt);
     },
     generateRoundedTaxDetailsFromTaxes: function (taxes) {
         var roundedTaxDetails = {};

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "paypal-invoice",
-    "version": "0.1.4",
+    "version": "0.1.6",
     "description": "PayPal Invoicing for Node.js",
     "main": "index.js",
     "scripts": {

diff --git a/test/currencyTests.js b/test/currencyTests.js
@@ -14,4 +14,12 @@ describe('lib/invoiceTests', function () {
         var num = $$('123.45');
         assert.equal(JSON.stringify({amt:num}), '{"amt":"123.45"}');
     });
+
+    it('should handle USD toCents properly', function () {
+        var i = new Invoice('USD');
+        var item = new Invoice.Item(1, '3.99', 'UID', null);
+        i.addItem(item);
+        var tot = i.calculate();
+        assert.equal('399', tot.toCents(tot.total).toString());
+    });
 });