From 14d8694b2a6d7d9c1fac43a6a77e31d5e6d77dba Mon Sep 17 00:00:00 2001
From: Amnesia <7299924@qq.com>
Date: Sat, 21 Mar 2026 11:19:09 +0800
Subject: [PATCH] =?UTF-8?q?perf:=E5=87=8F=E5=B0=91PublishVideo=E4=B8=AD?=
 =?UTF-8?q?=E7=9A=84=E6=95=B0=E6=8D=AE=E5=BA=93=E6=9F=A5=E8=AF=A2?=
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---
 backend/internal/middleware/jwt/jwt.go  | 14 ++++++++++++++
 backend/internal/video/video_handler.go |  4 ++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/backend/internal/middleware/jwt/jwt.go b/backend/internal/middleware/jwt/jwt.go
index 979b199..700448f 100644
--- a/backend/internal/middleware/jwt/jwt.go
+++ b/backend/internal/middleware/jwt/jwt.go
@@ -124,3 +124,17 @@ func GetAccountID(c *gin.Context) (uint, error) {
 
 	return accountID, nil
 }
+
+func GetUsername(c *gin.Context) (string, error) {
+	val, exists := c.Get("username")
+	if !exists {
+		return "", errors.New("username not found")
+	}
+
+	username, ok := val.(string)
+	if !ok {
+		return "", errors.New("username has invalid type")
+	}
+
+	return username, nil
+}
diff --git a/backend/internal/video/video_handler.go b/backend/internal/video/video_handler.go
index 376eb01..486bb08 100644
--- a/backend/internal/video/video_handler.go
+++ b/backend/internal/video/video_handler.go
@@ -38,14 +38,14 @@ func (vh *VideoHandler) PublishVideo(c *gin.Context) {
 		c.JSON(400, gin.H{"error": err.Error()})
 		return
 	}
-	user, err := vh.accountService.FindByID(c.Request.Context(), authorId)
+	username, err := jwt.GetUsername(c)
 	if err != nil {
 		c.JSON(400, gin.H{"error": err.Error()})
 		return
 	}
 	video := &Video{
 		AuthorID:    authorId,
-		Username:    user.Username,
+		Username:    username,
 		Title:       req.Title,
 		Description: req.Description,
 		PlayURL:     req.PlayURL,