Split server in smaller modules

src/utils/md_helpers.cpp

@@ -0,0 +1,33 @@
+#include "utils/md_helpers.hpp"
+
+#include <duckdb.hpp>
+#include <iostream>
+
+namespace duckdb {
+std::string GetMDToken(Connection &connection) {
+  auto query_res = connection.Query("CALL GET_MD_TOKEN()");
+  if (query_res->HasError()) {
+    query_res->ThrowError();
+    return ""; // unreachable
+  }
+
+  auto chunk = query_res->Fetch();
+  return chunk->GetValue(0, 0).GetValue<std::string>();
+}
+
+bool IsMDConnected(Connection &con) {
+  if (!con.context->db->ExtensionIsLoaded("motherduck")) {
+    return false;
+  }
+
+  auto query_res = con.Query("CALL MD_IS_CONNECTED()");
+  if (query_res->HasError()) {
+    std::cerr << "Error in IsMDConnected: " << query_res->GetError()
+              << std::endl;
+    return false;
+  }
+
+  auto chunk = query_res->Fetch();
+  return chunk->GetValue(0, 0).GetValue<bool>();
+}
+} // namespace duckdb