void ItemsManagerWorker::Init() {
items_.clear();
std::string items = data_manager_.Get("items");
if (items.size() != 0) {
rapidjson::Document doc;
doc.Parse(items.c_str());
for (auto item = doc.Begin(); item != doc.End(); ++item)
items_.push_back(std::make_shared<Item>(*item));
}
tabs_.clear();
std::string tabs = data_manager_.Get("tabs");
if (tabs.size() != 0) {
rapidjson::Document doc;
if (doc.Parse(tabs.c_str()).HasParseError()) {
QLOG_ERROR() << "Malformed tabs data:" << tabs.c_str() << "The error was"
<< rapidjson::GetParseError_En(doc.GetParseError());
return;
}
for (auto &tab : doc) {
if (!tab.HasMember("n") || !tab["n"].IsString()) {
QLOG_ERROR() << "Malformed tabs data:" << tabs.c_str() << "Tab doesn't contain its name (field 'n').";
continue;
}
tabs_.push_back(tab["n"].GetString());
}
}
emit ItemsRefreshed(items_, tabs_, true);
}
void ItemsManager::OnItemsRefreshed(const Items &items, const std::vector<std::string> &tabs) {
shop_.ExpireShopData();
if (shop_.auto_update())
shop_.SubmitShopToForum();
emit ItemsRefreshed(items, tabs);
}
MainWindow::MainWindow(std::unique_ptr<Application> app):
app_(std::move(app)),
ui(new Ui::MainWindow),
current_search_(nullptr),
search_count_(0),
auto_online_(app_->data_manager(), app_->sensitive_data_manager())
{
#ifdef Q_OS_WIN32
createWinId();
taskbar_button_ = new QWinTaskbarButton(this);
taskbar_button_->setWindow(this->windowHandle());
#endif
image_cache_ = new ImageCache(Filesystem::UserDir() + "/cache");
InitializeUi();
InitializeLogging();
InitializeSearchForm();
NewSearch();
image_network_manager_ = new QNetworkAccessManager;
connect(image_network_manager_, SIGNAL(finished(QNetworkReply*)),
this, SLOT(OnImageFetched(QNetworkReply*)));
connect(&app_->items_manager(), SIGNAL(ItemsRefreshed(Items, std::vector<std::string>)),
this, SLOT(OnItemsRefreshed()));
connect(&app_->items_manager(), SIGNAL(StatusUpdate(ItemsFetchStatus)), this, SLOT(OnItemsManagerStatusUpdate(ItemsFetchStatus)));
connect(&update_checker_, &UpdateChecker::UpdateAvailable, this, &MainWindow::OnUpdateAvailable);
connect(&auto_online_, &AutoOnline::Update, this, &MainWindow::OnOnlineUpdate);
}
void ItemsManager::Start() {
thread_ = std::make_unique<QThread>();
worker_ = std::make_unique<ItemsManagerWorker>(app_, thread_.get());
connect(thread_.get(), SIGNAL(started()), worker_.get(), SLOT(Init()));
connect(this, SIGNAL(UpdateSignal()), worker_.get(), SLOT(Update()));
connect(worker_.get(), SIGNAL(StatusUpdate(ItemsFetchStatus)), this, SLOT(OnStatusUpdate(ItemsFetchStatus)));
connect(worker_.get(), SIGNAL(ItemsRefreshed(Items, std::vector<std::string>)), this, SLOT(OnItemsRefreshed(Items, std::vector<std::string>)));
worker_->moveToThread(thread_.get());
thread_->start();
}
void ItemsManagerWorker::OnTabReceived(int request_id) {
if (!replies_.count(request_id)) {
QLOG_WARN() << "Received a reply for request" << request_id << "that was not requested.";
return;
}
ItemsReply reply = replies_[request_id];
QLOG_INFO() << "Received a reply for" << reply.request.location.GetHeader().c_str();
QByteArray bytes = reply.network_reply->readAll();
rapidjson::Document doc;
doc.Parse(bytes.constData());
bool error = false;
if (!doc.IsObject()) {
QLOG_WARN() << request_id << "got a non-object response";
error = true;
} else if (doc.HasMember("error")) {
// this can happen if user is browsing stash in background and we can't know about it
QLOG_WARN() << request_id << "got 'error' instead of stash tab contents";
error = true;
}
// re-queue a failed request
if (error)
QueueRequest(reply.request.network_request, reply.request.location);
++requests_completed_;
if (!error)
++total_completed_;
bool throttled = false;
if (requests_completed_ == requests_needed_ && queue_.size() > 0) {
throttled = true;
QLOG_INFO() << "Sleeping one minute to prevent throttling.";
QTimer::singleShot(kThrottleSleep * 1000, this, SLOT(FetchItems()));
}
CurrentStatusUpdate status = CurrentStatusUpdate();
status.state = throttled ? ProgramState::ItemsPaused : ProgramState::ItemsReceive;
status.progress = total_completed_;
status.total = total_needed_;
if (total_completed_ == total_needed_)
status.state = ProgramState::ItemsCompleted;
emit StatusUpdate(status);
if (error)
return;
ParseItems(&doc["items"], reply.request.location, doc.GetAllocator());
if (total_completed_ == total_needed_) {
// all requests completed
emit ItemsRefreshed(items_, tabs_, false);
// since we build items_as_string_ in a hackish way inside ParseItems last character will either be
// ' ' when no items were parsed or ',' when at least one item is parsed, and the first character is '['
items_as_string_[items_as_string_.size() - 1] = ']';
// DataManager is thread safe so it's ok to call it here
data_manager_.Set("items", items_as_string_);
data_manager_.Set("tabs", tabs_as_string_);
updating_ = false;
QLOG_INFO() << "Finished updating stash.";
// if we're at the verge of getting throttled, sleep so we don't
if (requests_completed_ == kThrottleRequests)
QTimer::singleShot(kThrottleSleep, this, SLOT(PreserveSelectedCharacter()));
else
PreserveSelectedCharacter();
}
reply.network_reply->deleteLater();
}
void ItemsManagerWorker::OnTabReceived(int request_id) {
if (!replies_.count(request_id)) {
QLOG_WARN() << "Received a reply for request" << request_id << "that was not requested.";
return;
}
ItemsReply reply = replies_[request_id];
bool cache_status = reply.network_reply->attribute(QNetworkRequest::SourceIsFromCacheAttribute).toBool();
if (cache_status) {
QLOG_DEBUG() << "Received a cached reply for" << reply.request.location.GetHeader().c_str();
++cached_requests_completed_;
++total_cached_;
} else {
QLOG_DEBUG() << "Received a reply for" << reply.request.location.GetHeader().c_str();
}
QByteArray bytes = reply.network_reply->readAll();
rapidjson::Document doc;
doc.Parse(bytes.constData());
bool error = false;
if (!doc.IsObject()) {
QLOG_WARN() << request_id << "got a non-object response";
error = true;
} else if (doc.HasMember("error")) {
// this can happen if user is browsing stash in background and we can't know about it
QLOG_WARN() << request_id << "got 'error' instead of stash tab contents";
error = true;
}
// re-queue a failed request
if (error) {
// We can 'cache' error response document so make sure we remove it
// before reque
tab_cache_->remove(reply.request.network_request.url());
QueueRequest(reply.request.network_request, reply.request.location);
}
++requests_completed_;
if (!error)
++total_completed_;
bool throttled = false;
if (requests_completed_ == requests_needed_ && queue_.size() > 0) {
if (cached_requests_completed_ > 0) {
// We basically don't want cached requests to count against throttle limit
// so if we did get any cached requests fetch up to that number without a
// large delay
QTimer::singleShot(1, [&]() {
FetchItems(cached_requests_completed_);
});
} else {
throttled = true;
QLOG_DEBUG() << "Sleeping one minute to prevent throttling.";
QTimer::singleShot(kThrottleSleep * 1000, this, SLOT(FetchItems()));
}
}
CurrentStatusUpdate status = CurrentStatusUpdate();
status.state = throttled ? ProgramState::ItemsPaused : ProgramState::ItemsReceive;
status.progress = total_completed_;
status.total = total_needed_;
status.cached = total_cached_;
if (total_completed_ == total_needed_)
status.state = ProgramState::ItemsCompleted;
emit StatusUpdate(status);
if (error)
return;
ParseItems(&doc["items"], reply.request.location, doc.GetAllocator());
if (total_completed_ == total_needed_) {
// It's possible that we receive character vs stash tabs out of order, or users
// move items around in a tab and we get them in a different order. For
// consistency we want to present the tab data in a deterministic way to the rest
// of the application. Especially so we don't try to update shop when nothing actually
// changed. So sort items_ here before emitting and then generate
// item list as strings.
std::sort(begin(items_), end(items_), [](const std::shared_ptr<Item> &a, const std::shared_ptr<Item> &b) {
return b->location() < a->location();
});
QStringList tmp;
for (auto const &item: items_) {
tmp.push_back(item->json().c_str());
}
auto items_as_string = std::string("[") + tmp.join(",").toStdString() + "]";
// all requests completed
emit ItemsRefreshed(items_, tabs_, false);
// DataStore is thread safe so it's ok to call it here
data_.Set("items", items_as_string);
data_.Set("tabs", tabs_as_string_);
updating_ = false;
QLOG_DEBUG() << "Finished updating stash.";
// if we're at the verge of getting throttled, sleep so we don't
if (requests_completed_ == kThrottleRequests)
QTimer::singleShot(kThrottleSleep, this, SLOT(PreserveSelectedCharacter()));
else
PreserveSelectedCharacter();
}
reply.network_reply->deleteLater();
}
