Created an interface for the Db class

src/libs/database/impl/Db.cpp

@@ -17,8 +17,6 @@
  * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "database/Db.hpp"
-
 #include <functional>
 #include <memory>
 
@@ -31,6 +29,8 @@
 #include "database/Session.hpp"
 #include "database/User.hpp"
 
+#include "Db.hpp"
+
 namespace lms::db
 {
     namespace
@@ -134,6 +134,11 @@ namespace lms::db
         }
     } // namespace
 
+    std::unique_ptr<IDb> createDb(const std::filesystem::path& dbPath, std::size_t connectionCount)
+    {
+        return std::make_unique<Db>(dbPath, connectionCount);
+    }
+
     // Session living class handling the database and the login
     Db::Db(const std::filesystem::path& dbPath, std::size_t connectionCount)
     {