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// Copyright 2024 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/ash/components/boca/boca_metrics_manager.h"
#include <algorithm>
#include "chromeos/ash/components/boca/boca_app_client.h"
#include "chromeos/ash/components/boca/boca_metrics_util.h"
namespace ash::boca {
namespace {
int CalculateNumOfActiveStudents(const ::boca::Session* session) {
int num_of_active_students = 0;
if (session) {
for (const auto& [student, student_status] : session->student_statuses()) {
if (student_status.state() == ::boca::StudentStatus::ACTIVE) {
++num_of_active_students;
}
}
}
return num_of_active_students;
}
} // namespace
BocaMetricsManager::BocaMetricsManager(bool is_producer)
: is_producer_(is_producer) {}
BocaMetricsManager::~BocaMetricsManager() = default;
void BocaMetricsManager::OnSessionStarted(
const std::string& session_id,
const ::boca::UserIdentity& producer) {
if (!is_producer_) {
RecordStudentJoinedSession();
}
// Set the times for when session started along with the initial set time
// for the content locked state.
last_switch_locked_mode_timestamp_ = base::TimeTicks::Now();
unlocked_mode_cumulative_duration_ = base::TimeDelta();
locked_mode_cumulative_duration_ = base::TimeDelta();
}
void BocaMetricsManager::OnSessionEnded(const std::string& session_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
CalculateDurationForContentState(is_lock_window_);
if (is_producer_) {
RecordOnTaskLockedStateDurationPercentage(
unlocked_mode_cumulative_duration_, locked_mode_cumulative_duration_);
RecordNumOfStudentsJoinedViaCodeDuringSession(
students_join_via_code_.size());
const ::boca::Session* const session =
BocaAppClient::Get()->GetSessionManager()->GetPreviousSession();
RecordNumOfActiveStudentsWhenSessionEnded(
CalculateNumOfActiveStudents(session));
RecordOnTaskNumOfTabsWhenSessionEnded(num_of_tabs_);
RecordOnTaskMaxNumOfTabsDuringSession(max_num_of_tabs_);
}
last_switch_locked_mode_timestamp_ = base::TimeTicks();
unlocked_mode_cumulative_duration_ = base::TimeDelta();
locked_mode_cumulative_duration_ = base::TimeDelta();
students_join_via_code_.clear();
num_of_tabs_ = 0;
max_num_of_tabs_ = 0;
}
void BocaMetricsManager::OnBundleUpdated(const ::boca::Bundle& bundle) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
num_of_tabs_ = bundle.content_configs().size();
max_num_of_tabs_ = std::max(max_num_of_tabs_, num_of_tabs_);
if (is_lock_window_ == bundle.locked()) {
return;
}
CalculateDurationForContentState(is_lock_window_);
is_lock_window_ = bundle.locked();
}
void BocaMetricsManager::OnSessionRosterUpdated(const ::boca::Roster& roster) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
for (const auto& group : roster.student_groups()) {
if (group.group_source() == ::boca::StudentGroup::JOIN_CODE) {
for (const auto& student : group.students()) {
students_join_via_code_.insert(student.email());
}
}
}
}
void BocaMetricsManager::CalculateDurationForContentState(bool locked_state) {
const base::TimeDelta duration =
base::TimeTicks::Now() - last_switch_locked_mode_timestamp_;
locked_state ? (locked_mode_cumulative_duration_ += duration)
: (unlocked_mode_cumulative_duration_ += duration);
last_switch_locked_mode_timestamp_ = base::TimeTicks::Now();
}
} // namespace ash::boca
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