mirror of
https://github.com/muety/wakapi.git
synced 2023-08-10 21:12:56 +03:00
82 lines
2.6 KiB
Go
82 lines
2.6 KiB
Go
package models
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import (
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"github.com/duke-git/lancet/v2/maputil"
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"github.com/duke-git/lancet/v2/slice"
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"strings"
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"time"
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)
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type LeaderboardItem struct {
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ID uint `json:"-" gorm:"primary_key; size:32"`
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User *User `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
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UserID string `json:"user_id" gorm:"not null; index:idx_leaderboard_user"`
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Rank uint `json:"rank" gorm:"->"`
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Interval string `json:"interval" gorm:"not null; size:32; index:idx_leaderboard_combined"`
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By *uint8 `json:"aggregated_by" gorm:"index:idx_leaderboard_combined"` // pointer because nullable
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Total time.Duration `json:"total" gorm:"not null" swaggertype:"primitive,integer"`
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Key *string `json:"key" gorm:"size:255"` // pointer because nullable
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CreatedAt CustomTime `gorm:"type:timestamp; default:CURRENT_TIMESTAMP" swaggertype:"string" format:"date" example:"2006-01-02 15:04:05.000"`
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}
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type Leaderboard []*LeaderboardItem
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func (l Leaderboard) UserIDs() []string {
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return slice.Unique[string](slice.Map[*LeaderboardItem, string](l, func(i int, item *LeaderboardItem) string {
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return item.UserID
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}))
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}
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func (l Leaderboard) TopByKey(by uint8, key string) Leaderboard {
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return slice.Filter[*LeaderboardItem](l, func(i int, item *LeaderboardItem) bool {
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return item.By != nil && *item.By == by && item.Key != nil && strings.ToLower(*item.Key) == strings.ToLower(key)
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})
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}
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func (l Leaderboard) TopKeys(by uint8) []string {
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type keyTotal struct {
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Key string
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Total time.Duration
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}
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totalsMapped := make(map[string]*keyTotal, len(l))
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for _, item := range l {
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if item.Key == nil || item.By == nil || *item.By != by {
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continue
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}
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key := strings.ToLower(*item.Key)
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if _, ok := totalsMapped[key]; !ok {
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totalsMapped[key] = &keyTotal{Key: *item.Key, Total: 0}
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}
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totalsMapped[key].Total += item.Total
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}
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totals := slice.Map[*keyTotal, keyTotal](maputil.Values[string, *keyTotal](totalsMapped), func(i int, item *keyTotal) keyTotal {
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return *item
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})
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if err := slice.SortByField(totals, "Total", "desc"); err != nil {
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return []string{} // TODO
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}
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return slice.Map[keyTotal, string](totals, func(i int, item keyTotal) string {
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return item.Key
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})
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}
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func (l Leaderboard) TopKeysByUser(by uint8, userId string) []string {
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return Leaderboard(slice.Filter[*LeaderboardItem](l, func(i int, item *LeaderboardItem) bool {
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return item.UserID == userId
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})).TopKeys(by)
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}
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func (l Leaderboard) LastUpdate() time.Time {
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lastUpdate := time.Time{}
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for _, item := range l {
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if item.CreatedAt.T().After(lastUpdate) {
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lastUpdate = item.CreatedAt.T()
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}
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}
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return lastUpdate
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}
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