package authoritymod

import (
	"fmt"

	"91porn-server/common/log"
)

// AuthorPage AuthorPage
type AuthorPage struct {
	Total int            `json:"total" bson:"total"`
	List  []AuthorityDoc `json:"list" bson:"list"`
}

// AuthorPages AuthorPages
func AuthorPages(skip int64, limit int64) (page AuthorPage, err error) {
	pipeline := []M{
		M{
			"$facet": M{
				"total": A{M{"$count": "total"}},
				"list": A{
					M{"$sort": M{"role": 1}},
					M{"$skip": skip},
					M{"$limit": limit},
				},
			},
		},
		M{
			"$project": M{
				"total": M{"$arrayElemAt": A{"$total.total", 0}},
				"list":  1,
			},
		},
	}
	if err = coll(nil).AggregateDecode(&page, pipeline); err != nil {
		log.ZapLog.Error(fmt.Sprintf("coll:%s Page error:%+v:", table, err))
		return
	}
	return
}