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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/components/quick_answers/result_loader.h"
#include "base/functional/bind.h"
#include "chromeos/components/quick_answers/public/cpp/quick_answers_prefs.h"
#include "chromeos/components/quick_answers/public/cpp/quick_answers_state.h"
#include "chromeos/components/quick_answers/quick_answers_model.h"
#include "chromeos/components/quick_answers/search_result_loader.h"
#include "chromeos/components/quick_answers/translation_result_loader.h"
#include "chromeos/components/quick_answers/utils/quick_answers_metrics.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
namespace quick_answers {
namespace {
using network::ResourceRequest;
using network::SharedURLLoaderFactory;
constexpr net::NetworkTrafficAnnotationTag kNetworkTrafficAnnotationTag =
net::DefineNetworkTrafficAnnotation("quick_answers_loader", R"(
semantics: {
sender: "ChromeOS Quick Answers"
description:
"ChromeOS requests quick answers based on the currently selected "
"text to look up a translation, dictionary definition, "
"or unit conversion."
trigger:
"Right click to trigger context menu."
data: "Currently selected text is sent to Google API for "
"generating answers. Source language of the selected text "
"is sent to Google API only for translation and dictionary "
"definition. Device language is sent to Google API "
"only for translation."
destination: GOOGLE_OWNED_SERVICE
}
policy: {
cookies_allowed: YES
cookies_store: "system"
setting:
"Quick Answers can be enabled/disabled in Chrome Settings and is "
"subject to eligibility requirements. The user may also "
"separately opt out of sharing screen context with Assistant."
chrome_policy {
QuickAnswersEnabled {
QuickAnswersEnabled: false
}
QuickAnswersTranslationEnabled {
QuickAnswersTranslationEnabled: false
}
QuickAnswersDefinitionEnabled {
QuickAnswersDefinitionEnabled: false
}
QuickAnswersUnitConversionEnabled {
QuickAnswersUnitConversionEnabled: false
}
}
})");
} // namespace
ResultLoader::ResultLoader(
scoped_refptr<SharedURLLoaderFactory> url_loader_factory,
ResultLoaderDelegate* delegate)
: url_loader_factory_(url_loader_factory), delegate_(delegate) {}
ResultLoader::~ResultLoader() = default;
// static
std::unique_ptr<ResultLoader> ResultLoader::Create(
IntentType intent_type,
scoped_refptr<SharedURLLoaderFactory> url_loader_factory,
ResultLoader::ResultLoaderDelegate* delegate) {
if (intent_type == IntentType::kTranslation) {
return std::make_unique<TranslationResultLoader>(url_loader_factory,
delegate);
}
return std::make_unique<SearchResultLoader>(url_loader_factory, delegate);
}
void ResultLoader::Fetch(const PreprocessedOutput& preprocessed_output) {
DCHECK(url_loader_factory_);
DCHECK(!preprocessed_output.query.empty());
CHECK_EQ(QuickAnswersState::GetConsentStatus(),
quick_answers::prefs::ConsentStatus::kAccepted)
<< "Consent status must be kAccepted for making a request";
// Load the resource.
BuildRequest(preprocessed_output,
base::BindOnce(&ResultLoader::OnBuildRequestComplete,
weak_factory_.GetWeakPtr(), preprocessed_output));
}
void ResultLoader::OnBuildRequestComplete(
const PreprocessedOutput& preprocessed_output,
std::unique_ptr<network::ResourceRequest> resource_request,
const std::string& request_body) {
loader_ = network::SimpleURLLoader::Create(std::move(resource_request),
kNetworkTrafficAnnotationTag);
if (!request_body.empty()) {
loader_->AttachStringForUpload(request_body, "application/json");
}
loader_->SetRetryOptions(
/*max_retries=*/5, network::SimpleURLLoader::RetryMode::RETRY_ON_5XX |
network::SimpleURLLoader::RETRY_ON_NETWORK_CHANGE);
fetch_start_time_ = base::TimeTicks::Now();
loader_->DownloadToString(
url_loader_factory_.get(),
base::BindOnce(&ResultLoader::OnSimpleURLLoaderComplete,
weak_factory_.GetWeakPtr(), preprocessed_output),
network::SimpleURLLoader::kMaxBoundedStringDownloadSize);
}
void ResultLoader::OnSimpleURLLoaderComplete(
const PreprocessedOutput& preprocessed_output,
std::unique_ptr<std::string> response_body) {
base::TimeDelta duration = base::TimeTicks::Now() - fetch_start_time_;
if (!response_body || loader_->NetError() != net::OK ||
!loader_->ResponseInfo() || !loader_->ResponseInfo()->headers) {
int response_code = -1;
if (loader_->ResponseInfo() && loader_->ResponseInfo()->headers) {
response_code = loader_->ResponseInfo()->headers->response_code();
}
RecordLoadingStatus(LoadStatus::kNetworkError, duration);
RecordNetworkError(preprocessed_output.intent_info.intent_type,
response_code);
delegate_->OnNetworkError();
return;
}
ProcessResponse(preprocessed_output, std::move(response_body),
base::BindOnce(&ResultLoader::OnResultParserComplete,
weak_factory_.GetWeakPtr()));
}
void ResultLoader::OnResultParserComplete(
std::unique_ptr<QuickAnswersSession> quick_answers_session) {
raw_ptr<QuickAnswer> quick_answer =
quick_answers_session ? quick_answers_session->quick_answer.get()
: nullptr;
// Record quick answer result.
base::TimeDelta duration = base::TimeTicks::Now() - fetch_start_time_;
RecordLoadingStatus(
quick_answer ? LoadStatus::kSuccess : LoadStatus::kNoResult, duration);
RecordResult(quick_answer ? quick_answer->result_type : ResultType::kNoResult,
duration);
delegate_->OnQuickAnswerReceived(std::move(quick_answers_session));
}
} // namespace quick_answers
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