add optional middleware and use it on post summary

Author: nevzattalhaozcan

internal/handlers/server.go

@@ -128,7 +128,7 @@ func (s *Server) setupRoutes() {
 
 		api.GET("/posts/:id/likes", postHandler.ListLikesByPostID)
 		api.GET("/posts", postHandler.ListAllPosts)
-		api.GET("/clubs/:id/posts/summaries", postHandler.ListPostSummaries)
+		api.GET("/clubs/:id/posts/summaries", middleware.OptionalAuthMiddleware(s.config), postHandler.ListPostSummaries)
 		api.GET("/posts/:id", postHandler.GetPostByID)
 
 		api.GET("/posts/:id/comments", commentHandler.ListCommentsByPostID)

internal/middleware/auth.go

@@ -263,3 +263,25 @@ func RequireClubMembershipWithRoles(clubRepo repository.ClubRepository, allowedR
 		c.Abort()
 	}
 }
+
+func OptionalAuthMiddleware(cfg *config.Config) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		authHeader := c.GetHeader("Authorization")
+		if authHeader == "" {
+			c.Next()
+			return
+		}
+
+		tokenString := strings.Replace(authHeader, "Bearer ", "", 1)
+		claims, err := utils.ValidateJWT(tokenString, cfg.JWT.Secret)
+		if err != nil {
+			c.Next()
+			return
+		}
+
+		c.Set("user_id", claims.UserID)
+		c.Set("user_email", claims.Email)
+		c.Set("user_role", claims.Role)
+		c.Next()
+	}
+}