getMarketFxQuote method

@override Future<Map> getMarketFxQuote(String token, String? buyAmount, String buyCurrencyCode, String sellCurrencyCode, String? sellAmount, String? conversionDate,)

Implementation

@override
Future<Map> getMarketFxQuote(
    String token,
    String? buyAmount,
    String buyCurrencyCode,
    String sellCurrencyCode,
    String? sellAmount,
    String? conversionDate) async {
  final String baseUrl = await getBaseUrl;
  var filters = [];
  var prefixes = [];

  if (buyAmount != null) {
    filters.add(buyAmount);
    prefixes.add("buy_amount=");
  }
  filters.add(buyCurrencyCode);
  prefixes.add("buy_currency=");
  filters.add(sellCurrencyCode);
  prefixes.add("sell_currency=");

  if (sellAmount != null) {
    filters.add(sellAmount);
    prefixes.add("sell_amount=");
  }

  if (conversionDate != null) {
    filters.add(conversionDate);
    prefixes.add("conversion_date=");
  }

  String params = addFilter(filters, prefixes);

  var url = Uri.parse("$baseUrl/api/v1/marketfx/quote$params");
  var response = await http.get(
    url,
    headers: {"Authorization": "Bearer $token"},
  );
  var data = jsonDecode(response.body);
  return data;
}