chromium/content/browser/interest_group/interest_group_k_anonymity_manager.h

// 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 CONTENT_BROWSER_INTEREST_GROUP_INTEREST_GROUP_K_ANONYMITY_MANAGER_H_
#define CONTENT_BROWSER_INTEREST_GROUP_INTEREST_GROUP_K_ANONYMITY_MANAGER_H_

#include <vector>

#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "content/browser/interest_group/interest_group_update.h"
#include "content/browser/interest_group/storage_interest_group.h"
#include "content/common/content_export.h"
#include "content/public/browser/k_anonymity_service_delegate.h"
#include "third_party/blink/public/common/interest_group/interest_group.h"

namespace content {
class InterestGroupManagerImpl;

// Maximum number of IDs to send in a single query call. Public for testing.
constexpr size_t kQueryBatchSizeLimit = …;

// Returns whether `last_updated` is less than 7 days ago.
bool CONTENT_EXPORT IsKAnonDataExpired(const base::Time last_updated,
                                       const base::Time now);

// Manages k-anonymity updates. Checks last updated times in the database
// to limit updates (joins and queries) to once per day. Called by the
// InterestGroupManagerImpl for interest group k-anonymity updates. Calls
// The InterestGroupManagerImpl to access interest group storage to perform
// interest group updates.
class CONTENT_EXPORT InterestGroupKAnonymityManager { … };

}  // namespace content

#endif  // CONTENT_BROWSER_INTEREST_GROUP_INTEREST_GROUP_K_ANONYMITY_MANAGER_H_