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#pragma once
#include "storage/index.hpp"
#include "base/deferred_task.hpp"
#include "std/chrono.hpp"
#include "std/function.hpp"
class DownloadingPolicy
{
public:
using TProcessFunc = function<void(storage::TCountriesSet const &)>;
virtual ~DownloadingPolicy() = default;
virtual bool IsDownloadingAllowed() { return true; }
virtual void ScheduleRetry(storage::TCountriesSet const &, TProcessFunc const &) {}
};
class StorageDownloadingPolicy : public DownloadingPolicy
{
bool m_cellularDownloadEnabled = false;
bool m_downloadRetryFailed = false;
static size_t constexpr kAutoRetryCounterMax = 3;
size_t m_autoRetryCounter = kAutoRetryCounterMax;
base::DeferredTask m_autoRetryWorker;
time_point<steady_clock> m_disableCellularTime;
public:
StorageDownloadingPolicy() : m_autoRetryWorker(seconds(20)) {}
void EnableCellularDownload(bool enabled);
bool IsCellularDownloadEnabled();
inline bool IsAutoRetryDownloadFailed() const
{
return m_downloadRetryFailed || m_autoRetryCounter == 0;
}
// DownloadingPolicy overrides:
bool IsDownloadingAllowed() override;
void ScheduleRetry(storage::TCountriesSet const & failedCountries,
TProcessFunc const & func) override;
};
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