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#pragma once
#include "descriptions/serdes.hpp"
#include "indexer/feature.hpp"
#include "indexer/feature_processor.hpp"
#include "indexer/ftypes_matcher.hpp"
#include "coding/file_container.hpp"
#include "coding/file_name_utils.hpp"
#include "coding/file_writer.hpp"
#include "coding/string_utf8_multilang.hpp"
#include "base/assert.hpp"
#include "base/geo_object_id.hpp"
#include "base/logging.hpp"
#include "defines.hpp"
#include <array>
#include <cstddef>
#include <cstdint>
#include <functional>
#include <string>
#include <unordered_map>
#include <utility>
#include <boost/optional.hpp>
namespace generator_tests
{
class TestDescriptionSectionBuilder;
} // namespace generator_tests
namespace generator
{
class WikidataHelper
{
public:
WikidataHelper() = default;
explicit WikidataHelper(std::string const & mwmPath, std::string const & idToWikidataPath);
boost::optional<std::string> GetWikidataId(uint32_t featureId) const;
private:
std::string m_mwmPath;
std::string m_idToWikidataPath;
std::unordered_map<uint32_t, base::GeoObjectId> m_featureIdToOsmId;
std::unordered_map<base::GeoObjectId, std::string> m_osmIdToWikidataId;
};
template <class T>
struct ForEachFromDatAdapt
{
void operator()(std::string const & str, T && fn) const
{
feature::ForEachFromDat(str, std::forward<T>(fn));
}
};
class DescriptionsCollectionBuilderStat
{
public:
using LangStatistics = std::array<size_t, StringUtf8Multilang::kMaxSupportedLanguages>;
DescriptionsCollectionBuilderStat()
{
CHECK_EQUAL(m_langsStat.size(),
static_cast<size_t>(StringUtf8Multilang::kMaxSupportedLanguages) , ());
}
std::string LangStatisticsToString() const;
void IncCode(int8_t code)
{
CHECK(code < StringUtf8Multilang::kMaxSupportedLanguages, (code));
CHECK(code >= 0, (code));
m_langsStat[static_cast<size_t>(code)] += 1;
}
void AddSize(size_t size) { m_size += size; }
void IncPage() { ++m_pages; }
void IncNumberWikipediaUrls() { ++m_numberWikipediaUrls; }
void IncNumberWikidataIds() { ++m_numberWikidataIds; }
size_t GetTotalSize() const { return m_size; }
size_t GetNumberOfPages() const { return m_pages; }
size_t GetNumberOfWikipediaUrls() const { return m_numberWikipediaUrls; }
size_t GetNumberOfWikidataIds() const { return m_numberWikidataIds; }
LangStatistics const & GetLangStatistics() const { return m_langsStat; }
private:
size_t m_size = 0;
size_t m_pages = 0;
size_t m_numberWikipediaUrls = 0;
size_t m_numberWikidataIds = 0;
LangStatistics m_langsStat = {};
};
class DescriptionsCollectionBuilder
{
public:
friend class generator_tests::TestDescriptionSectionBuilder;
DescriptionsCollectionBuilder(std::string const & wikipediaDir, std::string const & mwmFile,
std::string const & idToWikidataPath);
DescriptionsCollectionBuilder(std::string const & wikipediaDir, std::string const & mwmFile);
template <typename Ft, template <typename> class ForEachFromDatAdapter>
descriptions::DescriptionsCollection MakeDescriptions()
{
descriptions::DescriptionsCollection descriptionList;
auto fn = [&](Ft & f, uint32_t featureId) {
auto const & wikiChecker = ftypes::WikiChecker::Instance();
if (!wikiChecker.NeedFeature(f))
return;
std::function<void()> incSource = []() {};
descriptions::FeatureDescription description;
std::string path;
// We first try to get wikipedia url.
auto const wikiUrl = f.GetMetadata().GetWikiURL();
if (!wikiUrl.empty())
{
path = MakePathForWikipedia(m_wikipediaDir, wikiUrl);
incSource = std::bind(&DescriptionsCollectionBuilderStat::IncNumberWikipediaUrls, std::ref(m_stat));
}
else
{
// We second try to get wikidata id.
auto const wikidataId = m_wikidataHelper.GetWikidataId(featureId);
if (wikidataId)
{
path = MakePathForWikidata(m_wikipediaDir, *wikidataId);
incSource = std::bind(&DescriptionsCollectionBuilderStat::IncNumberWikidataIds, std::ref(m_stat));
}
}
if (path.empty())
return;
auto const ret = GetFeatureDescription(path, featureId, description);
if (ret == 0)
return;
incSource();
m_stat.AddSize(ret);
m_stat.IncPage();
descriptionList.emplace_back(std::move(description));
};
ForEachFromDatAdapter<decltype(fn)> adapter;
adapter(m_mwmFile, std::move(fn));
return descriptionList;
}
DescriptionsCollectionBuilderStat const & GetStat() const { return m_stat; }
static std::string MakePathForWikipedia(std::string const & wikipediaDir, std::string wikipediaUrl);
static std::string MakePathForWikidata(std::string const & wikipediaDir, std::string wikidataId);
private:
static size_t FillStringFromFile(std::string const & fullPath, int8_t code,
StringUtf8Multilang & str);
boost::optional<size_t> FindPageAndFill(std::string wikipediaUrl, StringUtf8Multilang & str);
size_t GetFeatureDescription(std::string const & wikiUrl, uint32_t featureId,
descriptions::FeatureDescription & description);
DescriptionsCollectionBuilderStat m_stat;
WikidataHelper m_wikidataHelper;
std::string m_wikipediaDir;
std::string m_mwmFile;
};
template <typename Ft, template <typename> class ForEachFromDatAdapter = ForEachFromDatAdapt>
struct DescriptionsSectionBuilder
{
static void Build(std::string const & wikipediaDir, std::string const & mwmFile,
std::string const & idToWikidataPath)
{
DescriptionsCollectionBuilder descriptionsCollectionBuilder(wikipediaDir, mwmFile, idToWikidataPath);
Build(mwmFile, descriptionsCollectionBuilder);
}
static void Build(std::string const & wikipediaDir, std::string const & mwmFile)
{
DescriptionsCollectionBuilder descriptionsCollectionBuilder(wikipediaDir, mwmFile);
Build(mwmFile, descriptionsCollectionBuilder);
}
private:
static void Build(std::string const & mwmFile, DescriptionsCollectionBuilder & builder)
{
auto descriptionList = builder.MakeDescriptions<Ft, ForEachFromDatAdapter>();
auto const & stat = builder.GetStat();
auto const size = stat.GetTotalSize();
LOG(LINFO, ("Added", stat.GetNumberOfWikipediaUrls(), "pages from wikipedia urls for", mwmFile));
LOG(LINFO, ("Added", stat.GetNumberOfWikidataIds(), "pages from wikidata ids for", mwmFile));
LOG(LINFO, ("Added", stat.GetNumberOfPages(), "pages for", mwmFile));
LOG(LINFO, ("Total size of added pages (before writing to section):", size));
CHECK_GREATER_OR_EQUAL(size, 0, ());
if (size == 0)
{
LOG(LWARNING, ("Section", DESCRIPTIONS_FILE_TAG, "was not created for", mwmFile));
return;
}
FilesContainerW cont(mwmFile, FileWriter::OP_WRITE_EXISTING);
FileWriter writer = cont.GetWriter(DESCRIPTIONS_FILE_TAG);
descriptions::Serializer serializer(std::move(descriptionList));
serializer.Serialize(writer);
LOG(LINFO, ("Section", DESCRIPTIONS_FILE_TAG, "is built for", mwmFile));
LOG(LINFO, (stat.LangStatisticsToString()));
}
};
void BuildDescriptionsSection(std::string const & wikipediaDir, std::string const & mwmFile,
std::string const & idToWikidataPath);
void BuildDescriptionsSection(std::string const & wikipediaDir, std::string const & mwmFile);
} // namespace generator
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