feat(middleware): add static_dir bridge and module init hook

Author: GaspardKirira

include/vix/middleware/module_init.hpp

@@ -0,0 +1,18 @@
+/**
+ *
+ *  @file module_init.hpp
+ *  @author Gaspard Kirira
+ *
+ *  Copyright 2025, Gaspard Kirira.  All rights reserved.
+ *  https://github.com/vixcpp/vix
+ *  Use of this source code is governed by a MIT license
+ *  that can be found in the License file.
+ *
+ *  Vix.cpp
+ */
+#ifndef VIX_MIDDLEWARE_MODULE_INIT_HPP
+#define VIX_MIDDLEWARE_MODULE_INIT_HPP
+
+extern "C" void vix_middleware_module_init();
+
+#endif

include/vix/middleware/static_dir_bridge.hpp

@@ -0,0 +1,62 @@
+/**
+ *
+ *  @file static_dir_bridge.hpp
+ *  @author Gaspard Kirira
+ *
+ *  Copyright 2025, Gaspard Kirira.  All rights reserved.
+ *  https://github.com/vixcpp/vix
+ *  Use of this source code is governed by a MIT license
+ *  that can be found in the License file.
+ *
+ *  Vix.cpp
+ */
+#ifndef VIX_MIDDLEWARE_STATIC_DIR_BRIDGE_HPP
+#define VIX_MIDDLEWARE_STATIC_DIR_BRIDGE_HPP
+
+#include <vix/app/App.hpp>
+#include <vix/middleware/middleware.hpp>
+#include <vix/middleware/performance/static_files.hpp>
+
+namespace vix::middleware
+{
+  inline void register_static_dir()
+  {
+    static vix::mw::Services g_services{};
+
+    vix::App::set_static_handler(
+        [](vix::App &app,
+           const std::filesystem::path &root,
+           const std::string &mount,
+           const std::string &index_file,
+           bool add_cache_control,
+           const std::string &cache_control,
+           bool fallthrough) -> bool
+        {
+          vix::middleware::performance::StaticFilesOptions opt;
+          opt.mount = mount;
+          opt.index_file = index_file;
+          opt.add_cache_control = add_cache_control;
+          opt.cache_control = cache_control;
+          opt.fallthrough = fallthrough;
+
+          auto mw = vix::middleware::performance::static_files(root, std::move(opt));
+
+          auto httpmw = vix::middleware::to_http_middleware(std::move(mw), g_services);
+
+          vix::App::Middleware appmw =
+              [httpmw = std::move(httpmw)](
+                  vix::vhttp::Request &req,
+                  vix::vhttp::ResponseWrapper &res,
+                  vix::App::Next next) mutable
+          {
+            httpmw(req, res, vix::mw::Next([n = std::move(next)]() mutable
+                                           { n(); }));
+          };
+
+          app.use(std::string(mount), std::move(appmw));
+          return true;
+        });
+  }
+}
+
+#endif

src/module_init.cpp

@@ -0,0 +1,6 @@
+#include <vix/middleware/static_dir_bridge.hpp>
+
+extern "C" void vix_middleware_module_init()
+{
+  vix::middleware::register_static_dir();
+}

src/static_dir_bridge.cpp

@@ -0,0 +1,14 @@
+#include <vix/middleware/static_dir_bridge.hpp>
+
+namespace
+{
+  struct AutoRegisterStaticDir
+  {
+    AutoRegisterStaticDir()
+    {
+      vix::middleware::register_static_dir();
+    }
+  };
+
+  static AutoRegisterStaticDir g_auto_register{};
+}