getTransactions method

@override Future<Map> getTransactions(String token, String? billingCurrencyCode, String? cardId, String? fromCreatedAt, String? pageNumber, String? pageSize, String? retrievalRef, String? toCreatedAt, String? transactionType,)

Implementation

@override
Future<Map> getTransactions(
    String token,
    String? billingCurrencyCode,
    String? cardId,
    String? fromCreatedAt,
    String? pageNumber,
    String? pageSize,
    String? retrievalRef,
    String? toCreatedAt,
    String? transactionType) async {
  final String baseUrl = await getBaseUrl;
  var filters = [];
  var prefixes = [];

  if (billingCurrencyCode != null) {
    filters.add(billingCurrencyCode);
    prefixes.add("billing_currency=");
  }
  if (cardId != null) {
    filters.add(cardId);
    prefixes.add("card_id=");
  }
  if (fromCreatedAt != null) {
    filters.add(fromCreatedAt);
    prefixes.add("from_created_at=");
  }

  if (pageNumber != null) {
    filters.add(pageNumber);
    prefixes.add("page_num=");
  }
  if (pageSize != null) {
    filters.add(pageSize);
    prefixes.add("page_size=");
  }
  if (retrievalRef != null) {
    filters.add(retrievalRef);
    prefixes.add("retrieval_ref=");
  }

  if (toCreatedAt != null) {
    filters.add(toCreatedAt);
    prefixes.add("to_created_at=");
  }
  if (transactionType != null) {
    filters.add(transactionType);
    prefixes.add("transaction_type=");
  }
  String params = addFilter(filters, prefixes);

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