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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_COMMERCE_CORE_BOOKMARK_UPDATE_MANAGER_H_
#define COMPONENTS_COMMERCE_CORE_BOOKMARK_UPDATE_MANAGER_H_
#include <memory>
#include <queue>
#include <vector>
#include "base/cancelable_callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "components/commerce/core/shopping_service.h"
#include "components/power_bookmarks/core/proto/power_bookmark_meta.pb.h"
#include "components/prefs/pref_service.h"
class GURL;
namespace commerce {
// The maximum number of products to update per update cycle for the shopping
// list.
inline constexpr int kShoppingListBookmarkUpdateBatchMaxParam = 150;
// This object manages regular updates of product information stored in
// bookmarks. This object should be tied to the life of the profile and
// outlive the shopping service.
class BookmarkUpdateManager {
public:
BookmarkUpdateManager(ShoppingService* service,
bookmarks::BookmarkModel* model,
PrefService* prefs);
BookmarkUpdateManager(const BookmarkUpdateManager&) = delete;
BookmarkUpdateManager& operator=(const BookmarkUpdateManager&) = delete;
~BookmarkUpdateManager();
// Schedule an update for product bookmarks. If the amount of time since the
// last update is too long, the update will attempt to run as soon as
// possible. Otherwise, the initial update after this call will be the
// interval minus the delta since the last update.
void ScheduleUpdate();
// Cancel any scheduled updates.
void CancelUpdates();
private:
friend class BookmarkUpdateManagerTest;
// Execute the logic that will update product bookmarks.
void RunUpdate();
// Process the next list in |pending_update_batches_|.
void StartNextBatch();
// Handle the response from the shopping service's on-demand API. This will
// update the corresponding bookmark if there is new information.
void HandleOnDemandResponse(const int64_t bookmark_id,
const GURL& url,
std::optional<ProductInfo> info);
raw_ptr<ShoppingService> shopping_service_;
raw_ptr<bookmarks::BookmarkModel> bookmark_model_;
raw_ptr<PrefService> pref_service_;
// Keep track of the last updated time in memory in case there is a failure in
// the pref service.
base::Time last_update_time_;
// A queue of lists of bookmark IDs that need to be updated. This is needed
// because there is a hard limit to the number of items the backing update
// system (optimization guide) can handle at a time.
std::queue<std::vector<int64_t>> pending_update_batches_;
// The expected number of bookmark updates for the currently running batch and
// the number of updates received. The callback pushes updates one at a time,
// so we need to keep track of how many have been received here so we know
// when to start the next batch.
size_t expected_bookmark_updates_;
size_t received_bookmark_updates_;
std::unique_ptr<base::CancelableOnceClosure> scheduled_task_;
base::WeakPtrFactory<BookmarkUpdateManager> weak_ptr_factory_{this};
};
} // namespace commerce
#endif // COMPONENTS_COMMERCE_CORE_BOOKMARK_UPDATE_MANAGER_H_
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