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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 "components/visited_url_ranking/internal/session_url_visit_data_fetcher.h"
#include <map>
#include <optional>
#include <utility>
#include <variant>
#include <vector>
#include "base/containers/contains.h"
#include "base/time/time.h"
#include "components/sessions/core/session_types.h"
#include "components/sync_sessions/open_tabs_ui_delegate.h"
#include "components/sync_sessions/session_sync_service.h"
#include "components/sync_sessions/synced_session.h"
#include "components/url_deduplication/url_deduplication_helper.h"
#include "components/visited_url_ranking/public/fetch_result.h"
#include "components/visited_url_ranking/public/fetcher_config.h"
#include "components/visited_url_ranking/public/url_visit.h"
#include "components/visited_url_ranking/public/url_visit_util.h"
#include "url/gurl.h"
namespace visited_url_ranking {
using Source = URLVisit::Source;
using URLVisitVariant = URLVisitAggregate::URLVisitVariant;
void AddAggregateVisitDataFromSession(
const sync_sessions::SyncedSession* session,
Source source,
const std::optional<base::Time>& modified_on_or_after_timestamp,
std::map<URLMergeKey, URLVisitAggregate::TabData>& url_visit_tab_data_map,
url_deduplication::URLDeduplicationHelper* deduplication_helper) {
for (const auto& session_and_window : session->windows) {
const auto& window = session_and_window.second->wrapped_window;
for (const auto& tab : window.tabs) {
if (!modified_on_or_after_timestamp.has_value() ||
tab->timestamp >= modified_on_or_after_timestamp) {
int selected_index =
std::min(tab->current_navigation_index,
static_cast<int>(tab->navigations.size() - 1));
if (selected_index < 0) {
continue;
}
const sessions::SerializedNavigationEntry& current_navigation =
tab->navigations.at(selected_index);
const GURL& tab_url = current_navigation.virtual_url();
if (!tab_url.is_valid()) {
continue;
}
auto url_key = ComputeURLMergeKey(tab_url, current_navigation.title(),
deduplication_helper);
bool tab_data_map_already_has_url_entry =
url_visit_tab_data_map.find(url_key) !=
url_visit_tab_data_map.end();
if (!tab_data_map_already_has_url_entry) {
auto last_active_tab = URLVisitAggregate::Tab(
tab->tab_id.id(),
URLVisit(tab_url, current_navigation.title(), tab->timestamp,
session->GetDeviceFormFactor(), source,
session->GetSessionName()),
session->GetSessionTag(), session->GetSessionName());
auto tab_data =
URLVisitAggregate::TabData(std::move(last_active_tab));
tab_data.last_active = tab->last_active_time;
url_visit_tab_data_map.insert_or_assign(url_key, std::move(tab_data));
}
auto& session_tab = url_visit_tab_data_map.at(url_key);
if (tab_data_map_already_has_url_entry) {
session_tab.tab_count += 1;
URLVisitAggregate::Tab& last_active_tab = session_tab.last_active_tab;
last_active_tab.visit.last_modified =
std::max(tab->timestamp, last_active_tab.visit.last_modified);
base::Time current_last_active_time =
std::max(session_tab.last_active, base::Time::Min());
if (tab->last_active_time > current_last_active_time) {
session_tab.last_active_tab = URLVisitAggregate::Tab(
tab->tab_id.id(),
URLVisit(tab_url, current_navigation.title(), tab->timestamp,
session->GetDeviceFormFactor(), source),
session->GetSessionTag(), session->GetSessionName());
session_tab.last_active = tab->last_active_time;
}
}
session_tab.pinned = session_tab.pinned || tab->pinned;
session_tab.in_group = session_tab.in_group || tab->group.has_value();
}
}
}
}
SessionURLVisitDataFetcher::SessionURLVisitDataFetcher(
sync_sessions::SessionSyncService* session_sync_service)
: session_sync_service_(session_sync_service) {}
SessionURLVisitDataFetcher::~SessionURLVisitDataFetcher() = default;
void SessionURLVisitDataFetcher::FetchURLVisitData(
const FetchOptions& options,
const FetcherConfig& config,
FetchResultCallback callback) {
auto& fetcher_sources = options.fetcher_sources.at(Fetcher::kSession);
sync_sessions::OpenTabsUIDelegate* open_tabs_ui_delegate =
session_sync_service_->GetOpenTabsUIDelegate();
if (!open_tabs_ui_delegate || fetcher_sources.empty()) {
std::move(callback).Run({FetchResult::Status::kError, {}});
return;
}
std::map<URLMergeKey, URLVisitAggregate::TabData> url_visit_tab_data_map;
const sync_sessions::SyncedSession* local_session = nullptr;
open_tabs_ui_delegate->GetLocalSession(&local_session);
std::vector<raw_ptr<const sync_sessions::SyncedSession, VectorExperimental>>
sessions;
open_tabs_ui_delegate->GetAllForeignSessions(&sessions);
if (local_session) {
sessions.push_back(local_session);
}
for (const sync_sessions::SyncedSession* session : sessions) {
if (local_session &&
local_session->GetSessionName() == session->GetSessionName()) {
if (!base::Contains(fetcher_sources, Source::kLocal)) {
continue;
}
AddAggregateVisitDataFromSession(
local_session, Source::kLocal, options.begin_time,
url_visit_tab_data_map, config.deduplication_helper);
} else if (base::Contains(fetcher_sources, Source::kForeign)) {
AddAggregateVisitDataFromSession(
session, Source::kForeign, options.begin_time, url_visit_tab_data_map,
config.deduplication_helper);
}
}
std::map<URLMergeKey, URLVisitVariant> url_visit_variants_map;
std::transform(
std::make_move_iterator(url_visit_tab_data_map.begin()),
std::make_move_iterator(url_visit_tab_data_map.end()),
std::inserter(url_visit_variants_map, url_visit_variants_map.end()),
[](auto kv) { return std::make_pair(kv.first, std::move(kv.second)); });
std::move(callback).Run(
{FetchResult::Status::kSuccess, std::move(url_visit_variants_map)});
}
} // namespace visited_url_ranking
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