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1 /*
2  * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OS_ACCOUNT_SERVICES_ACCOUNTMGR_INCLUDE_ACCOUNT_DATA_STORAGE_H
17 #define OS_ACCOUNT_SERVICES_ACCOUNTMGR_INCLUDE_ACCOUNT_DATA_STORAGE_H
18 
19 #include <string>
20 #include <map>
21 
22 #include "distributed_kv_data_manager.h"
23 #include "account_error_no.h"
24 #include "iaccount_info.h"
25 
26 namespace OHOS {
27 namespace AccountSA {
28 struct AccountDataStorageOptions {
29     bool autoSync = false;
30     DistributedKv::SecurityLevel securityLevel = DistributedKv::SecurityLevel::S1;
31     OHOS::DistributedKv::Area area = OHOS::DistributedKv::EL1;
32     std::string baseDir;
33 };
34 
35 class AccountDataStorage {
36 public:
37     AccountDataStorage() = delete;
38     AccountDataStorage(const std::string &appId, const std::string &storeId, const AccountDataStorageOptions &options);
39     virtual ~AccountDataStorage();
40     ErrCode LoadAllData(std::map<std::string, std::shared_ptr<IAccountInfo>> &infos);
41     ErrCode AddAccountInfo(const IAccountInfo &iAccountInfo);
42     ErrCode SaveAccountInfo(const IAccountInfo &iAccountInfo);
43     ErrCode LoadDataByLocalFuzzyQuery(std::string subId, std::map<std::string, std::shared_ptr<IAccountInfo>> &infos);
44     void TryTwice(const std::function<DistributedKv::Status()> &func) const;
45     virtual void SaveEntries(std::vector<OHOS::DistributedKv::Entry> allEntries,
46         std::map<std::string, std::shared_ptr<IAccountInfo>> &infos) = 0;
47     int DeleteKvStore();
48     ErrCode GetAccountInfoById(const std::string id, IAccountInfo &iAccountInfo);
49     bool IsKeyExists(const std::string keyStr);
50     ErrCode PutValueToKvStore(const std::string &keyStr, const std::string &valueStr);
51     ErrCode GetValueFromKvStore(const std::string &keyStr, std::string &valueStr);
52     ErrCode RemoveValueFromKvStore(const std::string &keyStr);
53 
54 protected:
55     OHOS::DistributedKv::Status GetEntries(
56         std::string subId, std::vector<OHOS::DistributedKv::Entry> &allEntries) const;
57     OHOS::DistributedKv::Status GetKvStore();
58     bool CheckKvStore();
59     OHOS::DistributedKv::DistributedKvDataManager dataManager_;
60     std::shared_ptr<OHOS::DistributedKv::SingleKvStore> kvStorePtr_;
61     mutable std::mutex kvStorePtrMutex_;
62     OHOS::DistributedKv::AppId appId_;
63     OHOS::DistributedKv::StoreId storeId_;
64     AccountDataStorageOptions options_;
65     std::string baseDir_;
66 };
67 }  // namespace AccountSA
68 }  // namespace OHOS
69 
70 #endif  // OS_ACCOUNT_SERVICES_ACCOUNTMGR_INCLUDE_ACCOUNT_DATA_STORAGE_H
71