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e3e4a1985a
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83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
#include "platform/downloader_utils.hpp"
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#include "platform/country_defines.hpp"
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#include "platform/country_file.hpp"
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#include "platform/local_country_file_utils.hpp"
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#include "coding/url.hpp"
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#include "base/string_utils.hpp"
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#include "std/target_os.hpp"
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namespace
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{
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std::string const kMapsPath = "maps";
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std::string const kDiffsPath = "diffs";
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} // namespace
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namespace downloader
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{
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std::string GetFileDownloadUrl(std::string const & fileName, int64_t dataVersion, uint64_t diffVersion /* = 0 */)
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{
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if (diffVersion == 0)
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return url::Join(kMapsPath, strings::to_string(dataVersion), url::UrlEncode(fileName));
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return url::Join(kDiffsPath, strings::to_string(dataVersion), strings::to_string(diffVersion),
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url::UrlEncode(fileName));
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}
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bool IsUrlSupported(std::string const & url)
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{
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auto const urlComponents = strings::Tokenize(url, "/");
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if (urlComponents.empty())
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return false;
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if (urlComponents[0] != kMapsPath && urlComponents[0] != kDiffsPath)
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return false;
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if (urlComponents[0] == kMapsPath && urlComponents.size() != 3)
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return false;
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if (urlComponents[0] == kDiffsPath && urlComponents.size() != 4)
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return false;
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uint64_t dataVersion = 0;
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if (!strings::to_uint(urlComponents[1], dataVersion))
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return false;
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if (urlComponents[0] == kDiffsPath)
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{
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uint64_t diffVersion = 0;
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if (!strings::to_uint(urlComponents[2], diffVersion))
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return false;
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}
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size_t count = 0;
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strings::Tokenize(url::UrlDecode(urlComponents.back()), ".", [&count](std::string_view)
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{
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++count;
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});
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return count == 2;
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}
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std::string GetFilePathByUrl(std::string const & url)
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{
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auto const urlComponents = strings::Tokenize(url, "/");
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CHECK_GREATER(urlComponents.size(), 2, (urlComponents));
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CHECK_LESS(urlComponents.size(), 5, (urlComponents));
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uint64_t dataVersion = 0;
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CHECK(strings::to_uint(urlComponents[1], dataVersion), ());
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std::string mwmFile = url::UrlDecode(urlComponents.back());
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// remove extension
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mwmFile = mwmFile.substr(0, mwmFile.find('.'));
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auto const fileType = urlComponents[0] == kDiffsPath ? MapFileType::Diff : MapFileType::Map;
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return platform::GetFileDownloadPath(dataVersion, mwmFile, fileType);
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}
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} // namespace downloader
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