Easy Digital Downloads Bitcoin Currency

edd-bitcoin-currency.php

<?php
/**
 * Plugin Name: Easy Digital Downloads BTC Currency
 * Plugin URI: http://claudiosmweb.com/
 * Description: Adds Bitcoin currency in Easy Digital Downloads
 * Author: claudiosanches
 * Author URI: http://claudiosmweb.com/
 * Version: 1.0
 * License: GPLv2 or later
 * Text Domain: eddbitcc
 * Domain Path: /languages/
 */

/**
 * Add BTC Currency in Easy Digital Downloads.
 */
class EDD_BTC_Currency {

    /**
     * Class construct.
     */
    public function __construct() {

        // Actions.
        add_action( 'plugins_loaded', array( $this, 'load_textdomain' ), 0 );

        // Filters.
        add_filter( 'edd_currencies', array( $this, 'add_currency' ) );
        add_filter( 'edd_btc_currency_filter_before', array( $this, 'currency_symbol' ) );
        add_filter( 'edd_btc_currency_filter_after', array( $this, 'currency_symbol' ) );
        add_filter( 'edd_format_amount_decimals', array( $this, 'currency_decimals' ) );
    }

    /**
     * Load Plugin textdomain.
     *
     * @return void
     */
    public function load_textdomain() {
        load_plugin_textdomain( 'eddbitcc', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
    }

    /**
     * Add Bitcoin currency.
     *
     * @param  array $currencies Default currencies.
     *
     * @return array             News currencies with Bitcoin.
     */
    public function add_currency( $currencies ) {
        $currencies['BTC'] = __( 'Bitcoin (&#3647;)', 'eddbitcc' );
        asort( $currencies );

        return $currencies;
    }

    /**
     * Fix Bitcoin currency symbol.
     *
     * @param  string $formated Formated currency display.
     *
     * @return string           Fixed Bitcoin currency display.
     */
    public function currency_symbol( $formated ) {
        $currency_symbol = apply_filters( 'bitcoin_currency_symbol', '&#3647;' );

        $formated = str_replace( 'BTC', $currency_symbol, $formated );

        return $formated;
    }

    /**
     * Fix decimals to Bitcoin.
     *
     * @return int           Bitcoin decimals.
     */
    public function currency_decimals() {

        return 8;
    }

}

$edd_btc_currency = new EDD_BTC_Currency();