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// Copyright 2019 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/quick_answers_client.h"
#include <utility>
#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/utils/quick_answers_metrics.h"
#include "chromeos/components/quick_answers/utils/quick_answers_utils.h"
#include "chromeos/components/quick_answers/utils/spell_checker.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
namespace quick_answers {
namespace {
QuickAnswersClient::ResultLoaderFactoryCallback*
g_testing_result_factory_callback = nullptr;
QuickAnswersClient::IntentGeneratorFactoryCallback*
g_testing_intent_generator_factory_callback = nullptr;
} // namespace
// static
void QuickAnswersClient::SetResultLoaderFactoryForTesting(
ResultLoaderFactoryCallback* factory) {
g_testing_result_factory_callback = factory;
}
void QuickAnswersClient::SetIntentGeneratorFactoryForTesting(
IntentGeneratorFactoryCallback* factory) {
g_testing_intent_generator_factory_callback = factory;
}
QuickAnswersClient::QuickAnswersClient(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
QuickAnswersDelegate* delegate)
: url_loader_factory_(url_loader_factory),
delegate_(delegate),
spell_checker_(std::make_unique<SpellChecker>(url_loader_factory)) {}
QuickAnswersClient::~QuickAnswersClient() = default;
void QuickAnswersClient::SendRequestForPreprocessing(
const QuickAnswersRequest& quick_answers_request) {
SendRequestInternal(quick_answers_request, /*skip_fetch=*/true);
}
void QuickAnswersClient::FetchQuickAnswers(
const QuickAnswersRequest& preprocessed_request) {
DCHECK(!preprocessed_request.preprocessed_output.query.empty());
result_loader_ = CreateResultLoader(
preprocessed_request.preprocessed_output.intent_info.intent_type);
// Load and parse search result.
result_loader_->Fetch(preprocessed_request.preprocessed_output);
}
void QuickAnswersClient::SendRequest(
const QuickAnswersRequest& quick_answers_request) {
SendRequestInternal(quick_answers_request, /*skip_fetch=*/false);
}
void QuickAnswersClient::OnQuickAnswerClick(ResultType result_type) {
RecordClick(result_type, GetImpressionDuration());
}
void QuickAnswersClient::OnQuickAnswersDismissed(ResultType result_type,
bool is_active) {
if (is_active)
RecordActiveImpression(result_type, GetImpressionDuration());
}
std::unique_ptr<ResultLoader> QuickAnswersClient::CreateResultLoader(
IntentType intent_type) {
if (g_testing_result_factory_callback)
return g_testing_result_factory_callback->Run();
return ResultLoader::Create(intent_type, url_loader_factory_, this);
}
std::unique_ptr<IntentGenerator> QuickAnswersClient::CreateIntentGenerator(
const QuickAnswersRequest& request,
bool skip_fetch) {
if (g_testing_intent_generator_factory_callback)
return g_testing_intent_generator_factory_callback->Run();
return std::make_unique<IntentGenerator>(
spell_checker_ ? spell_checker_->GetWeakPtr() : nullptr,
base::BindOnce(&QuickAnswersClient::IntentGeneratorCallback,
weak_factory_.GetWeakPtr(), request, skip_fetch));
}
void QuickAnswersClient::OnNetworkError() {
DCHECK(delegate_);
delegate_->OnNetworkError();
}
void QuickAnswersClient::OnQuickAnswerReceived(
std::unique_ptr<QuickAnswersSession> quick_answers_session) {
DCHECK(delegate_);
quick_answer_received_time_ = base::TimeTicks::Now();
delegate_->OnQuickAnswerReceived(std::move(quick_answers_session));
}
void QuickAnswersClient::SendRequestInternal(
const QuickAnswersRequest& quick_answers_request,
bool skip_fetch) {
RecordSelectedTextLength(quick_answers_request.selected_text.length());
// Generate intent from |quick_answers_request|.
intent_generator_ = CreateIntentGenerator(quick_answers_request, skip_fetch);
intent_generator_->GenerateIntent(quick_answers_request);
}
void QuickAnswersClient::IntentGeneratorCallback(
const QuickAnswersRequest& quick_answers_request,
bool skip_fetch,
const IntentInfo& intent_info) {
DCHECK(delegate_);
// Preprocess the request.
QuickAnswersRequest processed_request = quick_answers_request;
processed_request.preprocessed_output = PreprocessRequest(intent_info);
delegate_->OnRequestPreprocessFinished(processed_request);
if (QuickAnswersState::Get()->ShouldUseQuickAnswersTextAnnotator()) {
RecordIntentType(intent_info.intent_type);
if (intent_info.intent_type == IntentType::kUnknown) {
// Don't fetch answer if no intent is generated.
return;
}
}
RecordRequestTextLength(intent_info.intent_type,
quick_answers_request.selected_text.length());
if (!skip_fetch)
FetchQuickAnswers(processed_request);
}
base::TimeDelta QuickAnswersClient::GetImpressionDuration() const {
// Use default 0 duration.
base::TimeDelta duration;
if (!quick_answer_received_time_.is_null()) {
// Fetch finish, set the duration to be between fetch finish and now.
duration = base::TimeTicks::Now() - quick_answer_received_time_;
}
return duration;
}
} // namespace quick_answers
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