From fa8dea9e030ce021bc7db60f85d09edcd940cbca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=A8=E9=80=B8=E8=BE=B0?= <moicen@foxmail.com>
Date: Sat, 11 Sep 2021 19:44:16 +0800
Subject: [PATCH] filename in task should not contain folder info (#18)

reset filename to nil after file saved
---
 prod/upload/upload.lua | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/prod/upload/upload.lua b/prod/upload/upload.lua
index 7ff1fc2..b6f176b 100644
--- a/prod/upload/upload.lua
+++ b/prod/upload/upload.lua
@@ -28,11 +28,11 @@ while true do
         local val = res[2]
         if key == "Content-Type" then
             local ext = ngx.re.match(val, [[(\w+)\/(\w+)]], "jo")[2]
-            file_name = string.format("%s/%s.%s", file_dir, uuid(), ext)
+            file_name = uuid() .. "." .. ext
         end
 
         if file_name then
-            file = io.open(file_name, "w+")
+            file = io.open(file_dir .. "/" .. file_name, "w+")
             if not file then
                 ngx.say("failed to open file ", file_name)
                 return
@@ -50,6 +50,8 @@ while true do
             file:close()
             table.insert(files, file_name)
         end
+        -- 这里要重置一下file_name，否则后面的文件保存时会导致前面已保存的文件变成空文件
+        file_name = nil
         file = nil
     elseif typ == "eof" then
         local http = require "resty.http"