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#pragma once
#include "base/thread_checker.hpp"
#include <atomic>
#include <functional>
#include <string>
#include <vector>
enum class SubscriptionType
{
RemoveAds
};
class SubscriptionListener
{
public:
virtual ~SubscriptionListener() = default;
virtual void OnSubscriptionChanged(SubscriptionType type, bool isActive) = 0;
};
class Purchase
{
public:
using InvalidTokenHandler = std::function<void()>;
explicit Purchase(InvalidTokenHandler && onInvalidToken);
void RegisterSubscription(SubscriptionListener * listener);
bool IsSubscriptionActive(SubscriptionType type) const;
void SetSubscriptionEnabled(SubscriptionType type, bool isEnabled);
enum class ValidationCode
{
// Do not change the order.
Verified, // Purchase is verified.
NotVerified, // Purchase is not verified.
ServerError, // Server error during validation.
AuthError, // Authentication error during validation.
};
struct ValidationInfo
{
std::string m_serverId;
std::string m_vendorId;
std::string m_receiptData;
// We do not check serverId here, because it can be empty in some cases.
bool IsValid() const { return !m_vendorId.empty() && !m_receiptData.empty(); }
};
using ValidationCallback = std::function<void(ValidationCode, ValidationInfo const &)>;
using StartTransactionCallback = std::function<void(bool success, std::string const & serverId,
std::string const & vendorId)>;
void SetValidationCallback(ValidationCallback && callback);
void Validate(ValidationInfo const & validationInfo, std::string const & accessToken);
void SetStartTransactionCallback(StartTransactionCallback && callback);
void StartTransaction(std::string const & serverId, std::string const & vendorId,
std::string const & accessToken);
private:
void ValidateImpl(std::string const & url, ValidationInfo const & validationInfo,
std::string const & accessToken, bool startTransaction,
uint8_t attemptIndex, uint32_t waitingTimeInSeconds);
struct RemoveAdsSubscriptionData
{
std::atomic<bool> m_isActive;
std::string m_subscriptionId;
};
RemoveAdsSubscriptionData m_removeAdsSubscriptionData;
std::vector<SubscriptionListener *> m_listeners;
ValidationCallback m_validationCallback;
StartTransactionCallback m_startTransactionCallback;
InvalidTokenHandler m_onInvalidToken;
ThreadChecker m_threadChecker;
};
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