feat(recursive-move): Advanced conflict policy for preventing uninten…

…tional overwriting

server/common/common.go

@@ -68,21 +68,29 @@ func ErrorStrResp(c *gin.Context, str string, code int, l ...bool) {
 }
 
 func SuccessResp(c *gin.Context, data ...interface{}) {
-	if len(data) == 0 {
-		c.JSON(200, Resp[interface{}]{
-			Code:    200,
-			Message: "success",
-			Data:    nil,
-		})
-		return
+	SuccessWithMsgResp(c, "success", data...)
+}
+
+func SuccessWithMsgResp(c *gin.Context, msg string, data ...interface{}) {
+	var respData interface{}
+	if len(data) > 0 {
+		respData = data[0]
 	}
+
 	c.JSON(200, Resp[interface{}]{
 		Code:    200,
-		Message: "success",
-		Data:    data[0],
+		Message: msg,
+		Data:    respData,
 	})
 }
 
+func Pluralize(count int, singular, plural string) string {
+	if count == 1 {
+		return singular
+	}
+	return plural
+}
+
 func GetHttpReq(ctx context.Context) *http.Request {
 	if c, ok := ctx.(*gin.Context); ok {
 		return c.Request

server/handles/const.go

@@ -0,0 +1,7 @@
+package handles
+
+const (
+	CANCEL    = "cancel"
+	OVERWRITE = "overwrite"
+	SKIP      = "skip"
+)

server/handles/fsbatch.go

@@ -16,9 +16,9 @@ import (
 )
 
 type RecursiveMoveReq struct {
-	SrcDir    string `json:"src_dir"`
-	DstDir    string `json:"dst_dir"`
-	Overwrite bool   `json:"overwrite"`
+	SrcDir         string `json:"src_dir"`
+	DstDir         string `json:"dst_dir"`
+	ConflictPolicy string `json:"conflict_policy"`
 }
 
 func FsRecursiveMove(c *gin.Context) {
@@ -60,7 +60,7 @@ func FsRecursiveMove(c *gin.Context) {
 	}
 
 	var existingFileNames []string
-	if !req.Overwrite {
+	if req.ConflictPolicy != OVERWRITE {
 		dstFiles, err := fs.List(c, dstDir, &fs.ListArgs{})
 		if err != nil {
 			common.ErrorResp(c, err, 500)
@@ -99,35 +99,39 @@ func FsRecursiveMove(c *gin.Context) {
 				filePathMap[subFile] = subFilePath
 			}
 		} else {
-
 			if movingFilePath == dstDir {
 				// same directory, don't move
 				continue
 			}
 
-			if !req.Overwrite {
-				if slices.Contains(existingFileNames, movingFile.GetName()) {
+			if slices.Contains(existingFileNames, movingFile.GetName()) {
+				if req.ConflictPolicy == CANCEL {
 					common.ErrorStrResp(c, fmt.Sprintf("file [%s] exists", movingFile.GetName()), 403)
 					return
+				} else if req.ConflictPolicy == SKIP {
+					continue
 				}
+			} else if req.ConflictPolicy != OVERWRITE {
 				existingFileNames = append(existingFileNames, movingFile.GetName())
 			}
-
 			movingFileNames = append(movingFileNames, movingFileName)
+
 		}
 
 	}
 
+	var count = 0
 	for i, fileName := range movingFileNames {
 		// move
 		err := fs.Move(c, fileName, dstDir, len(movingFileNames) > i+1)
 		if err != nil {
 			common.ErrorResp(c, err, 500)
 			return
 		}
+		count++
 	}
 
-	common.SuccessResp(c)
+	common.SuccessWithMsgResp(c, fmt.Sprintf("Successfully moved %d %s", count, common.Pluralize(count, "file", "files")))
 }
 
 type BatchRenameReq struct {