1 /*
2  * Copyright (C) 2024 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 #include "cloud_thumbnail_observer.h"
17 #include "medialibrary_rdb_utils.h"
18 
19 using namespace std;
20 using namespace OHOS::DistributedKv;
21 using namespace OHOS::NativeRdb;
22 
23 namespace OHOS {
24 namespace Media {
25 
IsFileIdValid(const std::string & fileId)26 static inline bool IsFileIdValid(const std::string& fileId)
27 {
28     if (fileId.empty()) {
29         return false;
30     }
31     for (char const& ch : fileId) {
32         if (std::isdigit(ch) == 0) {
33             return false;
34         }
35     }
36     return true;
37 }
38 
OnChange(const ChangeInfo & changeInfo)39 void CloudThumbnailObserver::OnChange(const ChangeInfo &changeInfo)
40 {
41     MediaLibraryRdbUtils::SetNeedRefreshAlbum(true);
42     if (changeInfo.changeType_ != ChangeType::INSERT) {
43         MEDIA_DEBUG_LOG("change type is %{public}d, not insert", changeInfo.changeType_);
44         return;
45     }
46     for (auto &uri : changeInfo.uris_) {
47         string uriString = uri.ToString();
48         auto pos = uriString.find_last_of('/');
49         if (pos == std::string::npos) {
50             continue;
51         }
52         string idString = uriString.substr(pos + 1);
53         if (!IsFileIdValid(idString)) {
54             MEDIA_DEBUG_LOG("cloud observer get no valid fileId and uri : %{public}s", uriString.c_str());
55             continue;
56         }
57         ThumbnailService::GetInstance()->CreateAstcCloudDownload(idString);
58     }
59 }
60 } // namespace Media
61 } // namespace OHOS