Fix currency in booking breakdown

CHANGELOG.md

@@ -14,6 +14,8 @@ way to update this template, but currently, we follow a pattern:
 
 ## Upcoming version 2019-XX-XX
 
+- [fix] Use currency of the `lineItem` on every line of the `BookingBreakdown` if possible.
+  [#1221](https://github.com/sharetribe/flex-template-web/pull/1221)
 - [fix] AvailabilityPlan doesn't need to have entries for every day.
   [#1214](https://github.com/sharetribe/flex-template-web/pull/1214)
 - [change] Default transaction process alias changed.

src/components/BookingBreakdown/LineItemRefundMaybe.js

@@ -21,7 +21,8 @@ const lineItemsTotal = lineItems => {
   const amount = lineItems.reduce((total, item) => {
     return total.plus(item.lineTotal.amount);
   }, new Decimal(0));
-  return new Money(amount, config.currency);
+  const currency = lineItems[0] ? lineItems[0].lineTotal.currency : config.currency;
+  return new Money(amount, currency);
 };
 
 /**

src/components/BookingBreakdown/LineItemSubTotalMaybe.js

@@ -22,7 +22,8 @@ const lineItemsTotal = lineItems => {
   const amount = lineItems.reduce((total, item) => {
     return total.plus(item.lineTotal.amount);
   }, new Decimal(0));
-  return new Money(amount, config.currency);
+  const currency = lineItems[0] ? lineItems[0].lineTotal.currency : config.currency;
+  return new Money(amount, currency);
 };
 
 /**