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#include "storage/diff_scheme/diff_manager.hpp"
#include "storage/diff_scheme/diff_scheme_checker.hpp"
#include "generator/mwm_diff/diff.hpp"
#include "platform/platform.hpp"
#include "coding/internal/file_data.hpp"
#include "base/assert.hpp"
namespace storage
{
namespace diffs
{
void Manager::Load(LocalMapsInfo && info)
{
LocalMapsInfo localMapsInfo = info;
{
std::lock_guard<std::mutex> lock(m_mutex);
m_localMapsInfo = std::move(info);
}
m_workerThread.Push([this, localMapsInfo]
{
NameFileInfoMap const diffs = Checker::Check(localMapsInfo);
std::lock_guard<std::mutex> lock(m_mutex);
m_diffs = diffs;
if (diffs.empty())
{
m_status = Status::NotAvailable;
GetPlatform().GetMarketingService().SendMarketingEvent(marketing::kDiffSchemeFallback, {});
}
else
{
m_status = Status::Available;
}
auto & observers = m_observers;
auto status = m_status;
GetPlatform().RunOnGuiThread([observers, status]() mutable {
observers.ForEach(&Observer::OnDiffStatusReceived, status);
});
});
}
void Manager::ApplyDiff(ApplyDiffParams && p, std::function<void(bool const result)> const & task)
{
m_workerThread.Push([this, p, task]
{
CHECK(p.m_diffFile, ("No diff at path:", p.m_diffFile->GetPath(MapOptions::Diff)));
CHECK(p.m_oldMwmFile, ("No old mwm at path:", p.m_oldMwmFile->GetPath(MapOptions::Map)));
auto & diffReadyPath = p.m_diffReadyPath;
auto & diffFile = p.m_diffFile;
auto const diffPath = diffFile->GetPath(MapOptions::Diff);
bool result = false;
diffFile->SyncWithDisk();
auto const isOnDisk = diffFile->OnDisk(MapOptions::Diff);
auto const isFilePrepared = isOnDisk || my::RenameFileX(diffReadyPath, diffPath);
if (isFilePrepared)
{
// Sync with disk after renaming.
if (!isOnDisk)
diffFile->SyncWithDisk();
string const oldMwmPath = p.m_oldMwmFile->GetPath(MapOptions::Map);
string const newMwmPath = diffFile->GetPath(MapOptions::Map);
string const diffApplyingInProgressPath = newMwmPath + DIFF_APPLYING_FILE_EXTENSION;
result = generator::mwm_diff::ApplyDiff(oldMwmPath, diffApplyingInProgressPath, diffPath) &&
my::RenameFileX(diffApplyingInProgressPath, newMwmPath);
}
diffFile->DeleteFromDisk(MapOptions::Diff);
if (result)
{
std::lock_guard<std::mutex> lock(m_mutex);
m_diffs.erase(diffFile->GetCountryName());
if (m_diffs.empty())
m_status = Status::NotAvailable;
}
else
{
std::lock_guard<std::mutex> lock(m_mutex);
m_status = Status::NotAvailable;
GetPlatform().GetMarketingService().SendMarketingEvent(
marketing::kDiffSchemeError,
{{"type", "patching"},
{"error", isFilePrepared ? "Cannot apply diff" : "Cannot prepare file"}});
}
task(result);
});
}
Status Manager::GetStatus() const
{
std::lock_guard<std::mutex> lock(m_mutex);
return m_status;
}
void Manager::SetStatus(Status status)
{
std::lock_guard<std::mutex> lock(m_mutex);
m_status = status;
}
FileInfo const & Manager::InfoFor(storage::TCountryId const & countryId) const
{
std::lock_guard<std::mutex> lock(m_mutex);
ASSERT(HasDiffForUnsafe(countryId), ());
return m_diffs.at(countryId);
}
bool Manager::HasDiffFor(storage::TCountryId const & countryId) const
{
std::lock_guard<std::mutex> lock(m_mutex);
return HasDiffForUnsafe(countryId);
}
bool Manager::HasDiffForUnsafe(storage::TCountryId const & countryId) const
{
if (m_status != diffs::Status::Available)
return false;
return m_diffs.find(countryId) != m_diffs.end();
}
bool Manager::IsPossibleToAutoupdate() const
{
std::lock_guard<std::mutex> lock(m_mutex);
if (m_status != Status::Available)
return false;
for (auto const & nameVersion : m_localMapsInfo.m_localMaps)
{
if (m_diffs.find(nameVersion.first) == m_diffs.end())
return false;
}
return true;
}
std::string DebugPrint(Status status)
{
switch (status)
{
case Status::Undefined:
return "Undefined";
case Status::Available:
return "Available";
case Status::NotAvailable:
return "NotAvailable";
}
}
} // namespace diffs
} // namespace storage
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