Rename IEM warnings provider to IEM API provider

wxdata/include/scwx/provider/iem_api_provider.hpp

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <scwx/awips/text_product_file.hpp>
+
+#include <memory>
+#include <string>
+
+namespace scwx::provider
+{
+
+/**
+ * @brief Warnings Provider
+ */
+class IemApiProvider
+{
+public:
+   explicit IemApiProvider();
+   ~IemApiProvider();
+
+   IemApiProvider(const IemApiProvider&)            = delete;
+   IemApiProvider& operator=(const IemApiProvider&) = delete;
+
+   IemApiProvider(IemApiProvider&&) noexcept;
+   IemApiProvider& operator=(IemApiProvider&&) noexcept;
+
+   static std::vector<std::string>
+   ListTextProducts(std::chrono::sys_time<std::chrono::days> date,
+                    std::optional<std::string_view>          cccc = {},
+                    std::optional<std::string_view>          pil  = {});
+
+   static std::vector<std::shared_ptr<awips::TextProductFile>>
+   LoadTextProducts(const std::vector<std::string>& textProducts);
+
+private:
+   class Impl;
+   std::unique_ptr<Impl> p;
+};
+
+} // namespace scwx::provider