func (s *Sorting) ConfigureQorResource(res *admin.Resource) { Admin := res.GetAdmin() res.UseTheme("sorting") if res.Config.Permission == nil { res.Config.Permission = roles.NewPermission() } for _, gopath := range strings.Split(os.Getenv("GOPATH"), ":") { admin.RegisterViewPath(path.Join(gopath, "src/github.com/qor/qor/sorting/views")) } role := res.Config.Permission.Role if _, ok := role.Get("sorting_mode"); !ok { role.Register("sorting_mode", func(req *http.Request, currentUser qor.CurrentUser) bool { return req.URL.Query().Get("sorting") != "" }) } if res.GetMeta("Position") == nil { res.Meta(&admin.Meta{ Name: "Position", Valuer: func(value interface{}, ctx *qor.Context) interface{} { db := ctx.GetDB() var count int var pos = value.(sortingInterface).GetPosition() if _, ok := modelValue(value).(sortingDescInterface); ok { if total, ok := db.Get("sorting_total_count"); ok { count = total.(int) } else { var result = res.NewStruct() db.New().Order("position DESC", true).First(result) count = result.(sortingInterface).GetPosition() db.InstantSet("sorting_total_count", count) } pos = count - pos + 1 } primaryKey := ctx.GetDB().NewScope(value).PrimaryKeyValue() url := path.Join(ctx.Request.URL.Path, fmt.Sprintf("%v", primaryKey), "sorting/update_position") return template.HTML(fmt.Sprintf("<input type=\"number\" class=\"qor-sorting__position\" value=\"%v\" data-sorting-url=\"%v\" data-position=\"%v\">", pos, url, pos)) }, Permission: roles.Allow(roles.Read, "sorting_mode"), }) } var attrs []string for _, attr := range res.IndexAttrs() { if attr != "Position" { attrs = append(attrs, attr) } } res.IndexAttrs(append(attrs, "Position")...) router := Admin.GetRouter() router.Post(fmt.Sprintf("^/%v/\\d+/sorting/update_position$", res.ToParam()), updatePosition) }