Shopify Multi-Currency

import { compose, withState, lifecycle } from 'recompose';
/*... some code here... */


const enhancer = compose(
  withState('currentCurrency', 'setCurrentCurrency', Currency.currentCurrency),
  lifecycle({
    componentDidMount(){
      const currencySelector = document.querySelector(".currencies"); //the class may vary
     	const setCurrentCurrency = this.props.setCurrentCurrency;
      
      currencySelector.addEventListener("change", function(event) {
      	setCurrentCurrency(event.target.value);
      });
    }
  })
);

/*... some more code ...*/
  
/* do not foget to add enhancer like that: export default enhancer(current component nmae)*/

/**
 * @module components/search/LazyResults
 */

import React from 'react';
import MapArray from 'components/common/MapArray';
import Grid from 'components/common/Grid';
import ProductCard from 'components/Cards/Product'
import Button from 'components/Button';
import Text from 'components/Text';
import { ThemedSFCProps, IProduct, MJSConfiguration } from 'types';
import { List } from 'immutable';
import { ArrayLike } from 'components/common/MapArray';
import { compose, lifecycle, withState } from 'recompose';

/** Props that LazyResultsView accepts */
export interface ILazyResultsProps extends ThemedSFCProps {
  /** List of Products */
  items: List<IProduct>;
  /** MJS Configuration */
  config: MJSConfiguration;
  /** Number of columns that one item occupies in a 12-col grid */
  columns: string;
  /** Method to load next page */
  onLoadNext: () => any;
  /** Method to load previous page */
  onLoadPrev: () => any;
  /** Flag whether to display next button */
  displayNextButton: boolean;
  /** Flag whether to display previous button */
  displayPrevButton: boolean;
  /** Rest of the props get passed down to ProductCard */
  [x: string]: any
}

const enhancer = compose(
  withState('currentCurrency', 'setCurrentCurrency', 'CAD'),
  lifecycle({
    componentDidMount(){
      const currencySelector = document.querySelector(".currencies"); //the class may vary
     	const setCurrentCurrency = this.props.setCurrentCurrency;
      
      currencySelector.addEventListener("change", function(event) {
      	setCurrentCurrency(event.target.value);
      });
    }
  })
);

const LazyResultsView = ({
  items,
  config,
  theme,
  card = ProductCard,
  columns,
  onLoadNext,
  onLoadPrev,
  displayNextButton,
  displayPrevButton,
  currentCurrency, // here are the state
  setCurrentCurrency, //and handler
  ...rest
}: ILazyResultsProps) =>
<div className={theme.root}>
  <Button display-if={displayPrevButton} className={theme.prevButton} onClick={onLoadPrev}>
    <Text primary lowercase>
      { config.getIn(['i18n', 'loadPrev'], 'Load previous') }
    </Text>
  </Button>
  <Grid columns={columns}>
    {
      MapArray({
        ...rest,
        config,
        currentCurrency, // here we are passing this state to productCard factory
        setCurrentCurrency, //and here is the handler
        array: (items as ArrayLike),
        factory: card
      })
    }
  </Grid>
  <Button display-if={displayNextButton} className={theme.nextButton} onClick={onLoadNext}>
    <Text primary lowercase>
      { config.getIn(['i18n', 'loadNext'], 'Load more') }
    </Text>
  </Button>
</div>

export default enhancer(LazyResultsView);

import { withProps } from 'recompose';

/* some code here */

//default_currency is the default currency that is set for your store, string that has this format: "USD", "GBP", "EUR" and so on
const convertPrice = (price, currentCurrency) => Currency.convert(price, default_currency, Currency.currentCurrency).toFixed(2)

const enhancer = withProps(({ price, oldprice, currentCurrency }) => ({
  price: price.size > 0 && price.setIn([0], convertPrice(price.get(0))).setIn([price.size-1],convertPrice(price.get(price.size-1))),
  oldprice: oldprice != -1 && convertPrice(oldprice)
}));

const PriceView: React.SFC<IPriceProps> = ({
  className,
  price,
  theme,
  currency,
  hasDiscount,
  hasCompare,
  oldPrice,
  availability,
  currentCurrency,
  setCurrentCurrency
}: IPriceProps) => {
if(currency.code !== Currency.currentCurrency){
  currency.code = Currency.currentCurrency;
}
if(currentCurrency !== Currency.currentCurrency){
  setCurrentCurrency(Currency.currentCurrency);
}
return (
  <div className={cx(theme.priceWrapper, className)}>
    <span className={cx(
      theme.price,
      (hasDiscount || hasCompare) && theme.salePrice
    )}>
      {getPrice(price, currency)}
    </span>
    <span display-if={hasCompare} className={cx(theme.compare)}>
      {getPrice(oldPrice, currency)}
    </span>
  </div>
)}

export default enhancer(PriceView)

/**
 * @module components/RangeFacet
 */
import React from 'react';
import { compose, withStateHandlers, withProps, setDisplayName, withPropsOnChange } from 'recompose';
import { findCurrency } from 'currency-formatter';
import withTheme from 'helpers/withTheme';
import template from 'helpers/template';

import view from 'components/RangeFacet/view';
import styles from 'components/RangeFacet/styles.css';
import { withHandlers, lifecycle, withState } from 'recompose';

const createKey = (...args) => args.join('_');

//default_currency is the default currency of the store
const convertPrice = (price) => parseInt(Currency.convert(price, Currency.currentCurrency, default_currency))

export default compose(
  setDisplayName('RangeFacet'),

  withTheme(styles),

  withProps(({ facet, config }) => ({
    items: facet.get('values')
  })),
  withState('currentCurrency', 'setCurrentCurrency', Currency.currentCurrency),
  lifecycle({
    componentDidMount(){
      const setCurrentCurrency = this.props.setCurrentCurrency;
      $('body').on('change', '.currencies', function(e) {
        setCurrentCurrency(this.value);
      });
    }
  }),

  withPropsOnChange(['config', 'currentCurrency'], ({ config, currentCurrency }) => ({
    currencySymbol: findCurrency(currentCurrency).symbol
  })),

  withStateHandlers<any, any, any>(
    ({ facet }) => ({ from: undefined, to: undefined }),
    {
      onReset: () => e => ({ from: void 0, to: void 0}),

      onChangeMin: ({ from, to }, { facet }) => e => {
        const value = parseFloat(e.target.value) || from || facet.get('min');
        if (isNaN(value)) return { from: void 0 };
        /*const normalizedValue = value > to
          ? to
          : value < facet.get('min')
            ? facet.get('min')
            : value;
        return { from: normalizedValue };*/
        return { from: value };
      },

      onChangeMax: ({ from, to }, { facet }) => e => {
        const value = parseFloat(e.target.value) || to || facet.get('max');
        if (isNaN(value)) return { to: void 0 };
        /*const normalizedValue =
          value < from
            ? from
            : value > facet.get('max')
              ? facet.get('max')
              : value;
        return { to: normalizedValue };*/
        return { to: value };
      },

      onCommit: ({ from, to }, { facet }) => () => {
        if (!from && !to) return;
        const newFrom = convertPrice(from);
        const newTo = convertPrice(to);
        const key = [from, to].join('_');
        facet.setValue({ from: newFrom, to: newTo });
        return { from, to };
      },
    },
  ),
  withHandlers({
    onPressButton: ({ onCommit }) => e => {
      e.preventDefault();
      Promise.resolve().then(() => onCommit());
    },
  }),

  withProps(({ onCommit }) => ({
    onKeypress: ({ key }) => key === 'Enter' && onCommit()
  }))
)(view);

/**
 * @module components/RangeFacet
 */

import unescape from 'lodash/unescape';
import formatCurrency from 'helpers/formatCurrency';

const identity = i => i;
//once again, the default_currency is the default currency of the store
const convertPrice = (price) => parseInt(Currency.convert(price, default_currency, Currency.currentCurrency))

const createLabel = (oldFrom, oldTo, config, fx) =>{
  const from = oldFrom && convertPrice(oldFrom);
  const to = oldTo && convertPrice(oldTo);
  return (from && to && `${fx(from)} - ${fx(to)}`) ||
  (from && !to && `${fx(from)} ${unescape(config.getIn(['i18n', 'up']))}`) ||
  (!from && to && `${unescape(config.getIn(['i18n', 'under']))} ${fx(to)}`);
  }

export default ({ item, config }) => createLabel(
  item.get('from'),
  item.get('to'),
  config,
  item.get('name') === 'price'
    && formatCurrency({ code: Currency.currentCurrency })
    || identity
)

/**
 * @module components/RangeFacet
 */

import React, { InputHTMLAttributes } from 'react';
import cx from 'classnames';
import NumberInput from 'react-numeric-input';

import MapArray from 'components/common/MapArray';
import Item from 'components/RangeFacet/Item';
import Button from 'components/Button';
import Text from 'components/Text';
import { ThemedSFCProps, IFacet, IFacetValue, MJSConfiguration } from 'types';
import { List } from 'immutable';

/** Input default styling parameters */
const inputDefaults = {
  style: false,
  mobile: false,
};

export interface IRangeFacetProps extends ThemedSFCProps {
  /** Facet to extract values from */
  facet: IFacet;
  /** Facet values */
  items: List<IFacetValue>;
  /** MJS Configuration */
  config: MJSConfiguration;
  /** Currency symbol */
  currencySymbol: string;
  /** Minimum possible price */
  from: number;
  /** Maximum possible price */
  to: number;
  /** Invoked when maximum range is changed */
  onChangeMax: (evt?: React.ChangeEvent<any>) => any;
  /** Invoked when minimum range is changed */
  onChangeMin: (evt?: React.ChangeEvent<any>) => any;
  /** Invoked when any key in any input is pressed, used to react to Enter */
  onKeypress: (evt: any) => any
  /** Invoked when Go button is pressed */
  onPressButton: () => any
}

const RangeFacetView: React.SFC<IRangeFacetProps> = ({
  theme,
  facet,
  items,
  config,
  currencySymbol,

  from,
  to,

  onChangeMax,
  onChangeMin,
  onKeypress,
  onPressButton,

}: IRangeFacetProps) =>
<div className={theme.root}>

  <MapArray
    display-if={config.get('pullSelected')}
    array={config.get('pullSelected') ? items.filter(i => i.get('selected')) : items}
    factory={Item}
    config={config}
    theme={theme} />

  <MapArray
    array={config.get('pullSelected') ? items.filter(i => !i.get('selected')) : items}
    factory={Item}
    config={config}
    theme={theme} />

  <div className={cx(theme.range, theme.inputBlock)}>
    <div className={theme.inputWrap}>
      <span className={theme.currency}>{currencySymbol}</span>
      <NumberInput
        {...inputDefaults}
        className={theme.input}
        precision={config.get('precision', 0)}
        value={from}
        max={to || facet.get('max')}
        min={facet.get('min')}
        onBlur={onChangeMin}
        onKeyPress={onKeypress}
      />
    </div>
    <div className={theme.divider}>-</div>
    <div className={theme.inputWrap}>
      <span className={theme.currency}>{currencySymbol}</span>
      <NumberInput
        {...inputDefaults}
        className={theme.input}
        precision={config.get('precision', 0)}
        value={to}
        min={from || facet.get('min')}
        max={facet.get('max')}
        onBlur={onChangeMax}
        onKeyPress={onKeypress}
      />
    </div>
    <Button onClick={onPressButton} className={theme.submit}>
      <Text primary uppercase>
        { config.getIn(['i18n', 'submit']) }
      </Text>
    </Button>
  </div>

</div>

export default RangeFacetView;

/**
 * @module components/Breadcrumbs
 */

import React from 'react';
import MapArray from 'components/common/MapArray';
import { compose, withPropsOnChange, lifecycle, withState } from 'recompose';
import pure from 'helpers/pure';
import Button from 'components/Button';
import Text from 'components/Text';
import Icon from 'components/Icon';

import { FilterType, ThemedSFC, ThemedSFCProps, IFacet, MJSConfiguration } from 'types'

/** Filter mapping type */
export type FilterMapping = {[x in FilterType]: React.SFC<any>}

export interface IFilterProps {
  /** Filter value */
  item: any;
  /** Filter mapping */
  mapping: FilterMapping;
  /** Filter type */
  type: FilterType;
  /** Filter name */
  name: string;
}

const convertPrice = (price, currentCurrency) => parseInt(Currency.convert(price, currentCurrency, Currency.currentCurrency))

//default_currency is the default currency of the store
const Item = compose(
  withState('currentCurrency', 'setCurrentCurrency', default_currency),
  lifecycle({
    componentDidMount(){
      const setCurrentCurrency = this.props.setCurrentCurrency;
      const currentCurrency = this.props.currentCurrency;
      const item = this.props.item;
      const currencySelector = document.querySelector(".currencies"); //the class may vary
      currencySelector.addEventListener("change", function(event) {
      	const newFrom = convertPrice(item.get('from'), currentCurrency);
        const newTo = convertPrice(item.get('to'), currentCurrency);
        setCurrentCurrency(this.value);
        return item.set('from', newFrom).set('to', newTo);
      });
    }
  }),
  withPropsOnChange(['mapping'], ({ name, type, mapping, item, config }) => {
    const _type = config.getIn(['facets', 'types', name]) || item.get('type');
    const facetConfig = config.getIn(['facets', _type]);
    return {
      Content: mapping[_type],
      config: config.merge(facetConfig)
    }
  }),
  pure,
)(({ theme, item, config, Content }: any) =>
  <Button className={theme.breadcrumb} onClick={item.toggle}>
    <Text secondary uppercase className={theme.title}>
      <Content item={item} theme={theme} config={config} />
    </Text>
    <Icon className={theme.cross} name='XDark' />
  </Button>
);


/** List of props that component returned by createBreadcrumb accepts */
export interface IFilterListProps extends ThemedSFCProps {
  /** Filter to create a component for */
  item: IFacet;
  /** MJS configuration */
  config: MJSConfiguration
}

export default (mapping: FilterMapping) => ({ item, children, theme, config }: IFilterListProps) =>
<MapArray
  array={item.get('values')}
  name={item.get('name')}
  type={item.get('type')}
  theme={theme}
  factory={Item}
  mapping={mapping}
  config={config} />