Assign external URI for Kayak hotels.

Signed-off-by: Viktor Govako <viktor.govako@gmail.com>

generator/kayak_dataset.hpp

@@ -60,7 +60,56 @@ public:
 
   static double constexpr kInvalidRating = 0;
   double m_overallRating = kInvalidRating;
+  uint32_t m_placeID = 0;
+};
+
+class KayakPlace
+{
+  enum Fields
+  {
+    CountryCode = 0,
+    CountryFileName,
+    CountryName,
+    HasHotels,
+    HasImage,
+    Hierarchy,
+    IataCode,
+    KayakCityID,
+    KayakPlaceID,
+    Latitude,
+    Longitude,
+    NumberOfHotels,
+    PlaceFileName,
+    PlaceID,
+    PlaceName,
+    PlaceType,
+    Searchable,
+
+    Counter
+  };
+
+public:
+  explicit KayakPlace(std::string src);
+
+  friend std::string DebugPrint(KayakPlace const & p);
+
+  uint32_t m_placeID, m_kayakCityID;
+  bool m_good = false;
+};
+
+using BaseDatasetT = SponsoredDataset<KayakHotel>;
+class KayakDataset : public BaseDatasetT
+{
+  std::unordered_map<uint32_t, uint32_t> m_place2kayak;
+
+public:
+  KayakDataset(std::string const & hotelsPath, std::string const & placesPath);
+
+  uint32_t GetKayakCityID(uint32_t placeID) const
+  {
+    auto it = m_place2kayak.find(placeID);
+    return it != m_place2kayak.end() ? it->second : 0;
+  }
 };
 
-using KayakDataset = SponsoredDataset<KayakHotel>;
 }  // namespace generator