// TODO
package database

import (
	"time"
)

type VisitType int

const (
	Hourly_visits = iota
	Daily_visits
	Monthly_visits
	Hourly_downloads
	Daily_downloads
	Monthly_downloads
)

type Visits struct {
	Date  time.Time "date"
	Count int       "count"
}

func (db *pgDB) AddStats(stats interface{}) error {
	return nil
}

/* Get the most visited books
 */
func (db *pgDB) GetVisitedBooks() (books []Book, err error) {
	return []Book{}, nil
}

func (db *pgDB) UpdateMostVisited() error {
	return nil
}

/* Get the most downloaded books
 */
func (db *pgDB) GetDownloadedBooks() (books []Book, err error) {
	return []Book{}, nil
}

func (db *pgDB) UpdateDownloadedBooks() error {
	return nil
}

func (db *pgDB) GetTags() ([]string, error) {
	return []string{}, nil
}

func (db *pgDB) UpdateTags() error {
	return nil
}

func (db *pgDB) GetVisits(visitType VisitType) ([]Visits, error) {
	return []Visits{}, nil
}

func (db *pgDB) UpdateHourVisits() error {
	return nil
}

func (db *pgDB) UpdateDayVisits() error {
	return nil
}

func (db *pgDB) UpdateMonthVisits() error {
	return nil
}

func (db *pgDB) UpdateHourDownloads() error {
	return nil
}

func (db *pgDB) UpdateDayDownloads() error {
	return nil
}

func (db *pgDB) UpdateMonthDownloads() error {
	return nil
}