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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_FEED_CORE_V2_USER_ACTIONS_COLLECTOR_H_
#define COMPONENTS_FEED_CORE_V2_USER_ACTIONS_COLLECTOR_H_
#include "base/memory/raw_ptr.h"
#include "base/time/clock.h"
#include "base/values.h"
class GURL;
class PrefService;
namespace feed {
// UserActionsCollector stores, retrieves and summarizes the entity mids of the
// feed articles that the user clicked on in the past.
class UserActionsCollector {
public:
explicit UserActionsCollector(PrefService* profile_prefs);
UserActionsCollector(const UserActionsCollector&) = delete;
UserActionsCollector& operator=(const UserActionsCollector&) = delete;
~UserActionsCollector();
void UpdateUserProfileOnLinkClick(const GURL& url,
const std::vector<int64_t>& entity_mids);
const base::Value::List& visit_metadata_string_list_pref_for_testing() const {
return visit_metadata_string_list_pref_;
}
private:
void InitStoreFromPrefs();
// Returns a serialized form of
// feedunsignedpersonalizationstore::VisitMetadata that's initialized using
// |url| and |entity_mids|. Returns an empty string if |url| or |entity_mids|
// is invalid.
std::string EntryToString(const GURL& url,
const std::vector<int64_t>& entity_mids) const;
bool ShouldIncludeVisitMetadataEntry(
const std::string& visit_metadata_serialized) const;
// Current prefs on the disk. The list is sorted by increasing timestamp.
base::Value::List visit_metadata_string_list_pref_;
raw_ptr<PrefService> profile_prefs_ = nullptr;
};
} // namespace feed
#endif // COMPONENTS_FEED_CORE_V2_USER_ACTIONS_COLLECTOR_H_
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