couponInfo function

String couponInfo(List<String> serviceProviders, List<String> serviceCategory, String serviceId, String stringCouponNotFound, String stringCouponHasExpired, String stringCouponNotSupportedProvider, String stringCouponNotSupportCategory, String stringCouponNotSupportService, String stringCouponActivated,)

Implementation

String couponInfo(
    List<String> serviceProviders,  // parent.currentService.providers
    List<String> serviceCategory, // parent.currentService.category
    String serviceId, // parent.currentService.id
    String stringCouponNotFound, /// strings.get(162); /// "Coupon not found",
    String stringCouponHasExpired, /// strings.get(169); /// "Coupon has expired",
    String stringCouponNotSupportedProvider, /// strings.get(164); /// "Coupon not supported by this provider",
    String stringCouponNotSupportCategory, /// strings.get(165); /// "Coupon not support this category",
    String stringCouponNotSupportService, /// strings.get(166); /// "Coupon not support this service",
    String stringCouponActivated, /// strings.get(163); /// "Coupon activated",
    ){
  OfferData? _item;
  dprint("<-------------couponInfo------------>");

  for (var item in offers) {
    dprint("offers = ${item.code} - need localSettings.couponCode=$couponCode");
    if (item.code == couponCode) {
      _item = item;
      break;
    }
  }

  if (_item == null){
    dprint("coupon not found");
    couponId = "";
    return stringCouponNotFound; /// "Coupon not found",
  }
  //
  // Time
  //
  var _now = DateTime.now();
  dprint("time coupon ${_item.expired}");
  dprint("time    now $_now");
  dprint("is   before ${_item.expired.isBefore(_now)}");
  if (_item.expired.isBefore(_now)){
    dprint("Coupon has expired");
    couponId = "";
    return stringCouponHasExpired; /// "Coupon has expired",
  }

  //
  // Provider
  //
  // Нам нужно проверить есть ли serviceProviders[0] в списке разрешенных провайдеров
  if (_item.providers.isNotEmpty){
    dprint("providers not empty"); // надо проверять
    if (serviceProviders.isNotEmpty)
      if (!_item.providers.contains(serviceProviders[0])) { // не найден
        couponId = "";
        dprint("Coupon not supported by this provider");
        return stringCouponNotSupportedProvider; /// "Coupon not supported by this provider",
      }
    // var _provider = ProviderData.createEmpty();
    // if (providers.isNotEmpty)
      // serviceProviders - провайдеры этого сервиса. Нам нужен только [0]
      // for (var item in providers)
      //   if (item.id == providers)
      //     _provider = item;
    // if (_provider.id.isEmpty) {
    //   couponId = "";
    //   dprint("Provider not found. _provider.id.isEmpty!!!!");
    //   return "Provider not found. _provider.id.isEmpty";
    // }

    // var _found = false;
    // for (var item in _item.providers){
    //   dprint("current provider id: ${_provider.id} - in list $item");
    //   if (item == _provider.id) {
    //     _found = true;
    //     break;
    //   }
    // }
    // if (!_found){
    //   dprint("Coupon not supported by this provider");
    //   couponId = "";
    //   return stringCouponNotSupportedProvider; /// "Coupon not supported by this provider",
    // }
  }else
    dprint("providers empty");

  //
  // Category
  //
  if (_item.category.isNotEmpty){
    dprint("category not empty");
    var _found = false;
    dprint("current category id: ${serviceCategory.join(" ")} - list offer categories ${_item.category.join(" ")}");
    for (var item in _item.category){
      if (serviceCategory.contains(item)){
        _found = true;
        break;
      }
    }
    if (!_found){
      dprint("Coupon not support this category",);
      couponId = "";
      return stringCouponNotSupportCategory; /// strings.get(165); /// "Coupon not support this category",
    }
  }else
    dprint("category empty");

  //
  // Service
  //
  if (_item.services.isNotEmpty){
    dprint("current service id: $serviceId - coupon service list ${_item.services.join(" ")}");
    if (!_item.services.contains(serviceId)){
      dprint("Coupon not support this service");
      couponId = "";
      return stringCouponNotSupportService; /// strings.get(166); /// "Coupon not support this service",
    }
  }else
    dprint("service empty");

  dprint("Coupon activated");
  dprint("<-------------couponInfo------------>");
  // localSettings.coupon = _item;
  couponId = _item.id;     // 2746fde7643fgd
  couponCode = _item.code;   // CODE25
  discountType = _item.discountType; // "percent" or "fixed"
  discount = _item.discount;      // 12
  return stringCouponActivated; /// "Coupon activated",
}