From 74f838b7d169730dfb5e9011edab1aa1c3bde727 Mon Sep 17 00:00:00 2001
From: spl3g <spleefer6@yandex.ru>
Date: Sat, 22 Mar 2025 11:14:39 +0300
Subject: Improve the middleware api

---
 lib/http.c | 19 ++++++++++++++-----
 lib/http.h |  1 +
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/lib/http.c b/lib/http.c
index 265e79e..69e8fd3 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -124,10 +124,17 @@ void *get_context_value(context *ctx, char* key) {
   return NULL;
 }
 
-void http_handler_runner_middleware(http_middleware *self, struct request req) {
-  (self->handler)(req);
 }
 
+void http_run_next(http_middleware *self, struct request req) {
+  if (self->next == NULL) {
+	(self->handler)(req);
+	return;
+  }
+  
+  (self->next->func)(self->next, req);
+};
+
 void http_register_handler_middleware(arena *arena, handler *hand, http_middleware_func func) {
   http_middleware *middleware = arena_alloc(arena, sizeof(http_middleware));
   middleware->func = func;
@@ -222,7 +229,6 @@ handler *http_handle_path(struct server *serv, const_string method, const_string
 	.path = path,
 	.func = handler,
   };
-  http_register_handler_middleware(serv->arena, &hand, http_handler_runner_middleware);
   
   arena_da_append(serv->arena, &serv->handlers, hand);
   return &serv->handlers.data[serv->handlers.len-1];
@@ -497,16 +503,19 @@ void *process_request(void *args) {
 	set_context_value(&req_arena, &req_context, *(serv.global_ctx.data + i));
   }
 
+  http_global_middleware *g_mid = serv.global_middleware;
   if (!resp.sent) {
 	for (size_t i = 0; i < serv.handlers.len; i++) {
 	  struct handler handler = serv.handlers.data[i];
 	  if (check_handler(handler, req, &req_arena, &req_context)) {
 		if (serv.global_middleware != NULL) {
-		  http_global_middleware *g_mid = serv.global_middleware;
 		  g_mid->end->next = handler.middleware;
+		  g_mid->end->handler = handler.func;
 		  g_mid->start->func(g_mid->start, req);
-		} else {
+		} else if (handler.middleware != NULL) {
 		  handler.middleware->func(handler.middleware, req);
+		} else {
+		  handler.func(req);
 		}
 		
 		if (!resp.sent) {
diff --git a/lib/http.h b/lib/http.h
index 0657095..32e6fe6 100644
--- a/lib/http.h
+++ b/lib/http.h
@@ -170,6 +170,7 @@ int listen_and_serve(struct server *serv);
 
 handler *http_handle_path(struct server *serv, const_string method, const_string path, handler_func handler);
 
+void http_run_next(http_middleware *self, struct request req);
 void http_register_global_middleware(struct server *hand, http_middleware_func func);
 void http_register_handler_middleware(arena *arena, handler *hand, http_middleware_func func);
 
-- 
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