mirror of
https://github.com/kidfromjupiter/nearby.git
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72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
// Copyright 2021 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "internal/platform/implementation/g3/preferences_repository.h"
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#include <fstream>
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#include "absl/synchronization/mutex.h"
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#include "nlohmann/json.hpp"
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#include "nlohmann/json_fwd.hpp"
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#include "internal/base/file_path.h"
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#include "internal/base/files.h"
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namespace nearby {
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namespace g3 {
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namespace {
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using json = nlohmann::json;
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} // namespace
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json PreferencesRepository::LoadPreferences() {
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absl::MutexLock lock(&mutex_);
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// Emulate Windows implementation
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try {
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// settings.json is used for testing, but we should look at having
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// an implementation override for G3 in PreferencesManager to override
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// the path for testing.
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FilePath path =
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Files::GetTemporaryDirectory().append(FilePath("settings.json"));
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if (!Files::FileExists(path)) {
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return value_;
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}
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std::ifstream preferences_file(path.GetPath());
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if (!preferences_file.good()) {
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return value_;
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}
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json preferences = json::parse(preferences_file, nullptr, false);
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preferences_file.close();
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if (preferences.is_discarded()) {
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return value_;
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}
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value_ = preferences;
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} catch (...) {
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return value_;
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}
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return value_;
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}
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bool PreferencesRepository::SavePreferences(json preferences) {
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absl::MutexLock lock(&mutex_);
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value_ = preferences;
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return true;
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}
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} // namespace g3
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} // namespace nearby
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