package category

import (
	"github.com/towgo/towgo/dao/basedboperat"
)

func (Category) TableName() string {
	return "category"
}

type Category struct {
	Id       int64      `json:"id"`
	Type     int64      `json:"type"`
	Name     string     `json:"name"`
	ParentId int64      `json:"parent_id"`
	Children []Category `json:"children" xorm:"-"`
}

func (c *Category) AfterQuery(session basedboperat.DbTransactionSession) {
	c.getChildens(session)
	if len(c.Children) > 0 {

	}

}
func (c *Category) getChildens(session basedboperat.DbTransactionSession) {
	var children []Category
	var list basedboperat.List
	list.Limit = -1
	session.ListScan(&list, c, &children)
	c.Children = children
}

// 递归查询子集方法
func findChildren(categories []Category, parentId int64, session basedboperat.DbTransactionSession) []Category {
	var result []Category
	for _, category := range categories {

		if category.ParentId == parentId {
			children := findChildren(categories, category.Id)
			category.Children = children
			result = append(result, category)
		}
	}
	return result
}