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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_INTERNAL_NOTIFICATION_STORE_H_
#define CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_INTERNAL_NOTIFICATION_STORE_H_
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "chrome/browser/notifications/proto/notification_entry.pb.h"
#include "chrome/browser/notifications/scheduler/internal/collection_store.h"
#include "chrome/browser/notifications/scheduler/internal/notification_entry.h"
#include "components/leveldb_proto/public/proto_database.h"
// Forward declaration for proto conversion.
namespace leveldb_proto {
void DataToProto(notifications::NotificationEntry* entry,
notifications::proto::NotificationEntry* proto);
void ProtoToData(notifications::proto::NotificationEntry* proto,
notifications::NotificationEntry* entry);
} // namespace leveldb_proto
namespace notifications {
class NotificationStore : public CollectionStore<NotificationEntry> {
public:
NotificationStore(
std::unique_ptr<leveldb_proto::ProtoDatabase<proto::NotificationEntry,
NotificationEntry>> db);
NotificationStore(const NotificationStore&) = delete;
NotificationStore& operator=(const NotificationStore&) = delete;
~NotificationStore() override;
private:
using KeyEntryVector = std::vector<std::pair<std::string, NotificationEntry>>;
using KeyVector = std::vector<std::string>;
using EntryVector = std::vector<NotificationEntry>;
// CollectionStore<NotificationEntry> implementation.
void InitAndLoad(LoadCallback callback) override;
void Add(const std::string& key,
const NotificationEntry& entry,
UpdateCallback callback) override;
void Update(const std::string& key,
const NotificationEntry& entry,
UpdateCallback callback) override;
void Delete(const std::string& key, UpdateCallback callback) override;
// Called when the proto database is initialized but no yet loading the data
// into memory.
void OnDbInitialized(LoadCallback callback,
leveldb_proto::Enums::InitStatus status);
// Called when data is loaded from |db_|.
void OnDataLoaded(LoadCallback callback,
bool success,
std::unique_ptr<EntryVector> entry_vector);
// Level db instance to persist data.
std::unique_ptr<
leveldb_proto::ProtoDatabase<proto::NotificationEntry, NotificationEntry>>
db_;
base::WeakPtrFactory<NotificationStore> weak_ptr_factory_{this};
};
} // namespace notifications
#endif // CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_INTERNAL_NOTIFICATION_STORE_H_
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