[guides on map] no need to send all catalog headers into guides on map requests.

map/catalog_headers_provider.cpp

@@ -32,3 +32,11 @@ platform::HttpClient::Headers CatalogHeadersProvider::GetHeaders()
 
   return web_api::GetCatalogHeaders(params);
 }
+
+std::optional<platform::HttpClient::Header> CatalogHeadersProvider::GetPositionHeader()
+{
+  if (!m_positionProvider.GetCurrentPosition())
+    return {};
+
+  return web_api::GetPositionHeader(*m_positionProvider.GetCurrentPosition());
+}

map/catalog_headers_provider.hpp

@@ -8,6 +8,8 @@
 
 #include "platform/http_client.hpp"
 
+#include <optional>
+
 class CatalogHeadersProvider
 {
 public:
@@ -15,6 +17,7 @@ public:
                          storage::Storage const & storage);
 
   platform::HttpClient::Headers GetHeaders();
+  std::optional<platform::HttpClient::Header> GetPositionHeader();
 
 private:
   PositionProvider const & m_positionProvider;

map/guides_on_map_delegate.cpp

@@ -1,5 +1,7 @@
 #include "map/guides_on_map_delegate.hpp"
 
+#include "web_api/request_headers.hpp"
+
 GuidesOnMapDelegate::GuidesOnMapDelegate(
     std::shared_ptr<CatalogHeadersProvider> const & headersProvider)
   : m_headersProvider(headersProvider)
@@ -11,5 +13,12 @@ platform::HttpClient::Headers GuidesOnMapDelegate::GetHeaders()
   if (!m_headersProvider)
     return {};
 
-  return m_headersProvider->GetHeaders();
+  auto const position = m_headersProvider->GetPositionHeader();
+  if (!position)
+    return {};
+
+  auto headers = web_api::GetDefaultCatalogHeaders();
+  headers.emplace(position->m_name, position->m_value);
+
+  return headers;
 }

platform/http_client.hpp

@@ -37,6 +37,12 @@ class HttpClient
 public:
   static auto constexpr kNoError = -1;
 
+  struct Header
+  {
+    std::string m_name;
+    std::string m_value;
+  };
+
   using Headers = std::unordered_map<std::string, std::string>;
 
   HttpClient() = default;

web_api/request_headers.cpp

@@ -39,16 +39,23 @@ platform::HttpClient::Headers GetDefaultAuthHeaders()
   return result;
 }
 
+platform::HttpClient::Header GetPositionHeader(m2::PointD const & pos)
+{
+  std::ostringstream latLonStream;
+  auto const latLon = mercator::ToLatLon(pos);
+  latLonStream << std::fixed << std::setprecision(3) << latLon.m_lat << "," << latLon.m_lon;
+
+  return {kLatLonHeader, latLonStream.str()};
+}
+
 platform::HttpClient::Headers GetCatalogHeaders(HeadersParams const & params)
 {
   platform::HttpClient::Headers result = GetDefaultCatalogHeaders();
 
   if (params.m_currentPosition)
   {
-    std::ostringstream latLonStream;
-    auto const latLon = mercator::ToLatLon(*params.m_currentPosition);
-    latLonStream << std::fixed << std::setprecision(3) << latLon.m_lat << "," << latLon.m_lon;
-    result.emplace(kLatLonHeader, latLonStream.str());
+    auto const latLon = GetPositionHeader(*params.m_currentPosition);
+    result.emplace(latLon.m_name, latLon.m_value);
   }
 
   if (!params.m_cityGeoIds.empty())

web_api/request_headers.hpp

@@ -21,5 +21,6 @@ public:
 
 platform::HttpClient::Headers GetDefaultCatalogHeaders();
 platform::HttpClient::Headers GetDefaultAuthHeaders();
+platform::HttpClient::Header GetPositionHeader(m2::PointD const & pos);
 platform::HttpClient::Headers GetCatalogHeaders(HeadersParams const & params);
 }  // namespace web_api