From ab1784ba3bd25d84b87020ec65da738d830eaeca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BA=90=E6=96=87=E9=9B=A8?=
 <41315874+fumiama@users.noreply.github.com>
Date: Tue, 9 May 2023 23:35:21 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96analyze?=
MIME-Version: 1.0
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---
 backend/global/analyze.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/backend/global/analyze.go b/backend/global/analyze.go
index fe59e66..0e13ae0 100644
--- a/backend/global/analyze.go
+++ b/backend/global/analyze.go
@@ -6,6 +6,7 @@ import (
 	"encoding/binary"
 	"encoding/hex"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"image"
 	"io"
@@ -23,6 +24,10 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+var (
+	ErrPaperFileExist = errors.New("paper file exist")
+)
+
 // AddFile from lst and copy it to analyzed path.
 // The para reg must belong to a valid user
 func (f *FileDatabase) AddFile(lstid int, reg *Regex, istemp bool, progress func(uint)) error {
@@ -379,11 +384,14 @@ func (f *FileDatabase) AddFile(lstid int, reg *Regex, istemp bool, progress func
 	if err != nil {
 		return err
 	}
-	lst.Path = filebasepath + file.Class + ".docx"
 	lst.HasntAnalyzed = false
 	lst.Desc = fmt.Sprintf("%s%v%v%v%c卷",
 		file.Class, file.Year, file.Type.FirstSecond(), file.Type.MiddleFinal(), file.Type.AB(),
 	)
+	lst.Path = filebasepath + lst.Desc + ".docx"
+	if utils.IsExist(lst.Path) {
+		return ErrPaperFileExist
+	}
 	dstf, err := os.Create(lst.Path)
 	if err != nil {
 		return err