mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 07:06:11 -04:00
314 lines
8.9 KiB
C++
314 lines
8.9 KiB
C++
// Copyright 2021-2023 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/windows/preferences_manager.h"
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#include <cstdint>
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#include <memory>
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#include <ostream>
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#include <string>
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#include <vector>
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#include "absl/strings/str_cat.h"
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#include "absl/strings/string_view.h"
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#include "absl/synchronization/mutex.h"
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#include "absl/time/time.h"
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#include "absl/types/span.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/platform/implementation/windows/preferences_repository.h"
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#include "internal/platform/logging.h"
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#include "google/protobuf/json/json.h"
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#include "google/protobuf/message.h"
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namespace nearby::windows {
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namespace {
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using json = ::nlohmann::json;
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} // namespace
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PreferencesManager::PreferencesManager(FilePath preferences_dir) {
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preferences_repository_ =
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std::make_unique<PreferencesRepository>(preferences_dir);
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value_ = preferences_repository_->LoadPreferences();
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}
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bool PreferencesManager::Set(absl::string_view key, const json& value) {
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absl::MutexLock lock(mutex_);
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return SetValue(key, value);
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}
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bool PreferencesManager::SetBoolean(absl::string_view key, bool value) {
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absl::MutexLock lock(mutex_);
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return SetValue(key, value);
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}
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bool PreferencesManager::SetInteger(absl::string_view key, int value) {
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absl::MutexLock lock(mutex_);
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return SetValue(key, value);
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}
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bool PreferencesManager::SetInt64(absl::string_view key, int64_t value) {
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absl::MutexLock lock(mutex_);
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return SetValue(key, value);
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}
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bool PreferencesManager::SetString(absl::string_view key,
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absl::string_view value) {
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absl::MutexLock lock(mutex_);
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return SetValue(key, absl::StrCat(value));
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}
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bool PreferencesManager::SetBooleanArray(absl::string_view key,
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absl::Span<const bool> value) {
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absl::MutexLock lock(mutex_);
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return SetArrayValue(key, value);
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}
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bool PreferencesManager::SetIntegerArray(absl::string_view key,
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absl::Span<const int> value) {
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absl::MutexLock lock(mutex_);
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return SetArrayValue(key, value);
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}
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bool PreferencesManager::SetInt64Array(absl::string_view key,
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absl::Span<const int64_t> value) {
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absl::MutexLock lock(mutex_);
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return SetArrayValue(key, value);
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}
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bool PreferencesManager::SetStringArray(absl::string_view key,
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absl::Span<const std::string> value) {
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absl::MutexLock lock(mutex_);
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return SetArrayValue(key, value);
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}
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bool PreferencesManager::SetTime(absl::string_view key, absl::Time value) {
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// Save time as nanos
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absl::MutexLock lock(mutex_);
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int64_t tt = absl::ToUnixNanos(value);
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if (value_[absl::StrCat(key)] == tt) {
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return false;
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}
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value_[absl::StrCat(key)] = tt;
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return Commit();
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}
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bool PreferencesManager::SetProtoMessage(absl::string_view key,
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const google::protobuf::Message& value) {
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std::string json_string;
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if (!proto2::json::MessageToJsonString(value, &json_string).ok()) {
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return false;
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}
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{
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absl::MutexLock lock(mutex_);
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return SetValue(key, json::parse(json_string));
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}
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}
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// Get JSON value.
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json PreferencesManager::Get(absl::string_view key,
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const json& default_value) const {
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absl::MutexLock lock(mutex_);
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return GetValue(key, default_value);
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}
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bool PreferencesManager::GetBoolean(absl::string_view key,
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bool default_value) const {
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absl::MutexLock lock(mutex_);
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return GetValue(key, default_value);
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}
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int PreferencesManager::GetInteger(absl::string_view key,
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int default_value) const {
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absl::MutexLock lock(mutex_);
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return GetValue(key, default_value);
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}
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int64_t PreferencesManager::GetInt64(absl::string_view key,
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int64_t default_value) const {
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absl::MutexLock lock(mutex_);
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return GetValue(key, default_value);
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}
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std::string PreferencesManager::GetString(
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absl::string_view key, const std::string& default_value) const {
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absl::MutexLock lock(mutex_);
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return GetValue(key, default_value);
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}
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std::vector<bool> PreferencesManager::GetBooleanArray(
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absl::string_view key, absl::Span<const bool> default_value) const {
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absl::MutexLock lock(mutex_);
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return GetArrayValue(key, default_value);
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}
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std::vector<int> PreferencesManager::GetIntegerArray(
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absl::string_view key, absl::Span<const int> default_value) const {
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absl::MutexLock lock(mutex_);
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return GetArrayValue(key, default_value);
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}
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std::vector<int64_t> PreferencesManager::GetInt64Array(
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absl::string_view key, absl::Span<const int64_t> default_value) const {
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absl::MutexLock lock(mutex_);
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return GetArrayValue(key, default_value);
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}
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std::vector<std::string> PreferencesManager::GetStringArray(
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absl::string_view key, absl::Span<const std::string> default_value) const {
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absl::MutexLock lock(mutex_);
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return GetArrayValue(key, default_value);
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}
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absl::Time PreferencesManager::GetTime(absl::string_view key,
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absl::Time default_value) const {
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absl::MutexLock lock(mutex_);
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auto result = value_.find(absl::StrCat(key));
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if (result == value_.end()) {
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return default_value;
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}
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return absl::FromUnixNanos(result->get<int64_t>());
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}
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bool PreferencesManager::GetProtoMessage(absl::string_view key,
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google::protobuf::Message* value) const {
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absl::MutexLock lock(mutex_);
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auto result = value_.find(absl::StrCat(key));
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if (result == value_.end()) {
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return false;
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}
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return proto2::json::JsonStringToMessage(result->dump(), value)
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.ok();
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}
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// Removes preferences
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void PreferencesManager::Remove(absl::string_view key) {
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absl::MutexLock lock(mutex_);
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value_.erase(absl::StrCat(key));
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}
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bool PreferencesManager::RemoveKeyPrefix(absl::string_view prefix) {
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absl::MutexLock lock(mutex_);
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auto it = value_.begin();
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while (it != value_.end()) {
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if (it.key().starts_with(prefix)) {
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it = value_.erase(it);
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} else {
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++it;
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}
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}
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return true;
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}
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// Private methods
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// Writes data to storage.
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bool PreferencesManager::Commit() {
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if (!preferences_repository_->SavePreferences(value_)) {
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LOG(ERROR) << "Failed to save preference." << std::endl;
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return false;
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}
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return true;
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}
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bool PreferencesManager::SetValue(absl::string_view key, const json& value) {
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if (!value_.is_object()) {
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LOG(ERROR) << "Preferences is no longer an object! value_="
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<< value_.dump(4);
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value_ = json::object();
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}
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if (value_[absl::StrCat(key)] == value) {
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return false;
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}
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value_[absl::StrCat(key)] = value;
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return Commit();
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}
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template <typename T>
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T PreferencesManager::GetValue(absl::string_view key,
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const T& default_value) const {
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if (!value_.is_object()) {
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LOG(ERROR) << "Preferences is no longer an object! value_="
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<< value_.dump(4);
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return default_value;
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}
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auto it = value_.find(absl::StrCat(key));
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if (it == value_.end()) {
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return default_value;
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}
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return it->get<T>();
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}
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template <typename T>
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bool PreferencesManager::SetArrayValue(absl::string_view key,
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absl::Span<const T> value) {
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if (!value_.is_object()) {
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LOG(ERROR) << "Preferences is no longer an object! value_="
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<< value_.dump(4);
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value_ = json::object();
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}
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json array_value = json::array();
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for (const T& item_value : value) {
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array_value.push_back(item_value);
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}
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if (value_[absl::StrCat(key)] == array_value) {
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return false;
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}
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value_[absl::StrCat(key)] = array_value;
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return Commit();
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}
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template <typename T>
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std::vector<T> PreferencesManager::GetArrayValue(
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absl::string_view key, absl::Span<const T> default_value) const {
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std::vector<T> result;
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if (!value_.is_object()) {
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LOG(ERROR) << "Preferences is no longer an object! value_="
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<< value_.dump(4);
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for (const T& value : default_value) {
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result.push_back(value);
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}
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return result;
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}
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auto array_value = value_.find(absl::StrCat(key));
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if (array_value == value_.end() || !array_value->is_array()) {
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for (const T& value : default_value) {
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result.push_back(value);
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}
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return result;
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}
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auto it = array_value->begin();
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while (it != array_value->end()) {
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result.push_back(it->get<T>());
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++it;
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}
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return result;
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}
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} // namespace nearby::windows
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