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Check for old files in save_file_bytes.

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GitOrigin-RevId: 8e45c35c56a1b4e41b42bbeef3322002be351e69
This commit is contained in:
levlam 2019-08-04 00:53:06 +03:00
parent 2ca4a088b3
commit b4cc4fea93
1 changed files with 9 additions and 0 deletions
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9
td/telegram/files/FileLoaderUtils.cpp
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@ -142,6 +142,15 @@ Result<string> search_file(CSlice dir, CSlice name, int64 expected_size) {
}
Result<FullLocalFileLocation> save_file_bytes(FileType type, BufferSlice bytes, CSlice file_name) {
auto r_old_path = search_file(get_files_dir(type), file_name, bytes.size());
if (r_old_path.is_ok()) {
auto r_old_bytes = read_file(r_old_path.ok());
if (r_old_bytes.is_ok() && r_old_bytes.ok().as_slice() == bytes.as_slice()) {
LOG(INFO) << "Found previous file with the same name " << r_old_path.ok();
return FullLocalFileLocation(type, r_old_path.ok(), 0);
}
}
TRY_RESULT(fd_path, open_temp_file(type));
FileFd fd = std::move(fd_path.first);
string path = std::move(fd_path.second);