125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
//SPDX-FileCopyrightText: 2023 Yury Gubich <blue@macaw.me>
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//SPDX-License-Identifier: GPL-3.0-or-later
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#include "session.h"
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#include "handler/poll.h"
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Session::Session(
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std::weak_ptr<TM::Scheduler> scheduler,
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unsigned int id,
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unsigned int owner,
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const std::string& access,
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const std::string& renew,
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unsigned int timeout
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):
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id(id),
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owner(owner),
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scheduler(scheduler),
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access(access),
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renew(renew),
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polling(nullptr),
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timeoutId(TM::Scheduler::none),
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timeout(timeout),
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mtx(),
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cache({
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{"system", {
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{"invalidate", true}
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}}
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})
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{}
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Session::~Session () {
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if (timeoutId != TM::Scheduler::none) {
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if (std::shared_ptr<TM::Scheduler> sch = scheduler.lock())
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sch->cancel(timeoutId);
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}
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}
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std::string Session::getAccessToken() const {
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return access;
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}
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std::string Session::getRenewToken() const {
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return renew;
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}
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void Session::accept(std::unique_ptr<Request> request) {
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std::lock_guard lock(mtx);
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std::shared_ptr<TM::Scheduler> sch = scheduler.lock();
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if (polling) {
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if (timeoutId != TM::Scheduler::none) {
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if (sch)
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sch->cancel(timeoutId);
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timeoutId = TM::Scheduler::none;
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}
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Handler::Poll::error(*polling.get(), Handler::Poll::Result::replace, Response::Status::ok);
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polling.reset();
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}
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std::map form = request->getForm();
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auto clear = form.find("clearCache");
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if (clear != form.end() && clear->second == "all")
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cache.clear();
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if (!cache.empty())
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return sendUpdates(std::move(request));
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if (!sch) {
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std::cerr << "Was unable to schedule polling timeout, replying with an error" << std::endl;
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Handler::Poll::error(*request.get(), Handler::Poll::Result::unknownError, Response::Status::internalError);
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return;
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}
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timeoutId = sch->schedule(std::bind(&Session::onTimeout, this), timeout);
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polling = std::move(request);
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}
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void Session::sendUpdates (std::unique_ptr<Request> request) {
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Response& res = request->createResponse(Response::Status::ok);
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nlohmann::json body = nlohmann::json::object();
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body["result"] = Handler::Poll::Result::success;
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nlohmann::json& data = body["data"] = nlohmann::json::object();
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for (const auto& category : cache) {
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nlohmann::json& cat = data[category.first] = nlohmann::json::object();
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for (const auto& entry : category.second)
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cat[entry.first] = entry.second;
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}
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res.setBody(body);
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res.send();
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}
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void Session::onTimeout () {
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std::lock_guard lock(mtx);
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timeoutId = TM::Scheduler::none;
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Handler::Poll::error(*polling.get(), Handler::Poll::Result::timeout, Response::Status::ok);
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polling.reset();
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}
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void Session::assetAdded (const DB::Asset& asset) {
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std::lock_guard lock(mtx);
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auto assets = cache["assets"];
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auto addedItr = assets.find("added");
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if (addedItr == assets.end())
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addedItr = assets.emplace("added", nlohmann::json::array()).first;
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addedItr->second.push_back(asset.toJSON());
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checkUpdates();
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}
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void Session::checkUpdates () {
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std::shared_ptr<TM::Scheduler> sch = scheduler.lock();
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if (polling) {
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if (timeoutId != TM::Scheduler::none) {
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if (sch)
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sch->cancel(timeoutId);
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timeoutId = TM::Scheduler::none;
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}
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sendUpdates(std::move(polling));
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}
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}
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