Request available level 3 products

test/source/scwx/provider/aws_level3_data_provider.test.cpp

@@ -56,6 +56,16 @@ TEST(AwsLevel3DataProvider, Refresh)
    EXPECT_EQ(newObjects, totalObjects);
 }
 
+TEST(AwsLevel3DataProvider, GetAvailableProducts)
+{
+   AwsLevel3DataProvider provider("KLSX", "N0B");
+
+   provider.RequestAvailableProducts();
+   auto products = provider.GetAvailableProducts();
+
+   EXPECT_GT(products.size(), 0);
+}
+
 TEST(AwsLevel3DataProvider, TimePointValid)
 {
    using namespace std::chrono;

wxdata/include/scwx/provider/aws_level3_data_provider.hpp

@@ -33,6 +33,9 @@ public:
    static std::chrono::system_clock::time_point
    GetTimePointFromKey(const std::string& key);
 
+   void                     RequestAvailableProducts();
+   std::vector<std::string> GetAvailableProducts();
+
 protected:
    std::string GetPrefix(std::chrono::system_clock::time_point date);
 

wxdata/include/scwx/provider/nexrad_data_provider.hpp

@@ -100,6 +100,19 @@ public:
    virtual std::chrono::system_clock::time_point
    GetTimePointByKey(const std::string& key) const = 0;
 
+   /**
+    * Requests available NEXRAD products for the current radar site, and adds
+    * the list to the cache.
+    */
+   virtual void RequestAvailableProducts();
+
+   /**
+    * Gets the list of available NEXRAD products for the current radar site.
+    *
+    * @return Available NEXRAD products
+    */
+   virtual std::vector<std::string> GetAvailableProducts();
+
 private:
    class Impl;
    std::unique_ptr<Impl> p;

wxdata/source/scwx/provider/aws_level3_data_provider.cpp

@@ -118,6 +118,24 @@ AwsLevel3DataProvider::GetTimePointFromKey(const std::string& key)
    return time;
 }
 
+void AwsLevel3DataProvider::RequestAvailableProducts()
+{
+   p->ListProducts();
+}
+
+std::vector<std::string> AwsLevel3DataProvider::GetAvailableProducts()
+{
+   std::shared_lock readLock(productMutex_);
+
+   auto siteProductMap = productMap_.find(p->radarSite_);
+   if (siteProductMap != productMap_.cend())
+   {
+      return siteProductMap->second;
+   }
+
+   return {};
+}
+
 void AwsLevel3DataProvider::Impl::ListProducts()
 {
    std::shared_lock readLock(productMutex_);

wxdata/source/scwx/provider/nexrad_data_provider.cpp

@@ -22,5 +22,12 @@ NexradDataProvider::NexradDataProvider(NexradDataProvider&&) noexcept = default;
 NexradDataProvider&
 NexradDataProvider::operator=(NexradDataProvider&&) noexcept = default;
 
+void NexradDataProvider::RequestAvailableProducts() {}
+
+std::vector<std::string> NexradDataProvider::GetAvailableProducts()
+{
+   return {};
+}
+
 } // namespace provider
 } // namespace scwx