Esempio n. 1
0
// ConfigureQorResource configure sorting for qor admin
func (s *Sorting) ConfigureQorResource(res resource.Resourcer) {
	if res, ok := res.(*admin.Resource); ok {
		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/sorting/views"))
		}

		role := res.Config.Permission.Role
		if _, ok := role.Get("sorting_mode"); !ok {
			role.Register("sorting_mode", func(req *http.Request, currentUser interface{}) 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"),
			})
		}

		attrs := res.ConvertSectionToStrings(res.IndexAttrs())
		for _, attr := range attrs {
			if attr != "Position" {
				attrs = append(attrs, attr)
			}
		}
		res.IndexAttrs(res.IndexAttrs(), "Position")
		res.NewAttrs(res.NewAttrs(), "-Position")
		res.EditAttrs(res.EditAttrs(), "-Position")
		res.ShowAttrs(res.ShowAttrs(), "-Position", false)

		router := Admin.GetRouter()
		router.Post(fmt.Sprintf("/%v/%v/sorting/update_position", res.ToParam(), res.ParamIDName()), updatePosition)
	}
}