From e2b61825f7370548d02ac8950338bd541e4e833d Mon Sep 17 00:00:00 2001
From: keven1024 <keven@fudaoyuan.icu>
Date: Thu, 15 May 2025 19:56:48 +0800
Subject: [PATCH] fix(backend): update DownloadShare to decrement view count in
 Redis before returning file

---
 backend/internal/controllers/download.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/backend/internal/controllers/download.go b/backend/internal/controllers/download.go
index 5a19fd4..40bb466 100644
--- a/backend/internal/controllers/download.go
+++ b/backend/internal/controllers/download.go
@@ -42,9 +42,14 @@ func DownloadShare(c echo.Context) error {
 		if err != nil {
 			return err
 		}
+		models.SetRedisShareInfo(claims.ShareId, models.RedisShareInfo{
+			ViewNum: shareInfo.ViewNum - 1,
+		})
 		return cc.Attachment(fmt.Sprintf("%s/%s", uploadPath, utils.GetFileId(fileInfo.FileHash, fileInfo.FileSize)), shareInfo.FileName)
 	}
-
+	models.SetRedisShareInfo(claims.ShareId, models.RedisShareInfo{
+		ViewNum: shareInfo.ViewNum - 1,
+	})
 	return utils.HTTPSuccessHandler(c, map[string]any{
 		"data": shareInfo.Data,
 	})