isFreeIntroTrial property

bool get isFreeIntroTrial

是否为免费试用(未使用过免费试用资格)

满足以下条件则认为是免费试用：

• introductoryPaymentMode == "freeTrial"
• isEligibleForIntroOffer == true
• introductoryRoundValue > 0
• introductoryOfferPrice == 0

Implementation

bool get isFreeIntroTrial {
  if (introductoryPaymentMode != "freeTrial") return false;
  if (isEligibleForIntroOffer != true) return false;
  if ((introductoryRoundValue ?? 0) <= 0) return false;
  if (introductoryOfferPrice == null) return false;
  return introductoryOfferPrice == 0;
}