added file checker, completation/size/digest

app/handler/file.go

@@ -254,6 +254,44 @@ func (hand *Handler) ListFiles(rctx *router.Context) {
 	rctx.SendJSON(code, res.Files)
 }
 
+func (hand *Handler) CheckFiles(rctx *router.Context) {
+
+	filepath, _ := rctx.GetSubpath("path")
+	if filepath == "" {
+		filepath = "/"
+	}
+	params := &fileoper.CheckFilesParams{
+		Path: filepath,
+	}
+	err := rctx.BindQuery(params)
+	if err != nil {
+		hand.logg.Errorf("CheckFiles binding error: %v", err)
+		rctx.SetStatus(http.StatusInternalServerError)
+		return
+	}
+
+	// Rigth checking
+	operatorID, _ := rctx.GetString(userTag)
+	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightWriteFiles, params.Path)
+	if err != nil {
+		rctx.SetStatus(http.StatusInternalServerError)
+		return
+	}
+	if !opEnable {
+		rctx.SetStatus(http.StatusMethodNotAllowed)
+		return
+	}
+	// Execution of the operation
+	ctx := rctx.GetContext()
+	code, res, err := hand.fiop.CheckFiles(ctx, operatorID, params)
+	if err != nil {
+		hand.logg.Errorf("CheckFiles error: %v", err)
+		rctx.SetStatus(code)
+		return
+	}
+	rctx.SendJSON(code, res.Files)
+}
+
 // GetProperty godoc
 //
 //	@Summary		List collections