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package user
import (
"context"
"log/slog"
"slices"
"sync"
"git.anhgelus.world/anhgelus/les-copaings-bot/config"
"git.anhgelus.world/anhgelus/les-copaings-bot/exp"
"github.com/anhgelus/gokord"
"github.com/nyttikord/gokord/bot"
"github.com/nyttikord/gokord/user"
)
type cXP struct {
Cxp uint
copaing *Copaing
}
func (c *cXP) Copaing() *Copaing {
return c.copaing
}
func (c *cXP) GetXP() uint {
return c.Cxp
}
func (cc *CopaingCached) AddXP(ctx context.Context, s bot.Session, m *user.Member, xp uint, fn func(uint, uint)) {
old := cc.XPs
pastLevel := exp.Level(old)
s.Logger().Debug("adding xp", "user", m.DisplayName(), "old", old, "to add", xp)
cc.XPs += xp
cc.XPToAdd += xp
if err := cc.Save(ctx); err != nil {
s.Logger().Error("saving user in state", "error", err, "user", m.DisplayName(), "xp", xp, "guild", cc.GuildID)
return
}
newLevel := exp.Level(old + xp)
if newLevel > pastLevel {
fn(old+xp, newLevel)
onNewLevel(s, m, newLevel)
}
}
func (c *Copaing) GetXP(logger *slog.Logger) (uint, error) {
cfg := config.GetGuildConfig(c.GuildID)
return c.GetXPForDays(logger, cfg.DaysXPRemains)
}
func (c *Copaing) GetXPForDays(logger *slog.Logger, n uint) (uint, error) {
xp := uint(0)
rows, err := gokord.DB.
Model(&CopaingXP{}).
Where(
"created_at >= ? and guild_id = ? and copaing_id = ?",
exp.TimeStampNDaysBefore(n),
c.GuildID,
c.ID,
).
Rows()
if err != nil {
return 0, err
}
defer rows.Close()
for rows.Next() {
var cxp CopaingXP
err = gokord.DB.ScanRows(rows, &cxp)
if err != nil {
logger.Error("scanning rows", "error", err, "copaing", c.ID, "guild", c.GuildID)
continue
}
xp += cxp.XP
}
return xp, nil
}
// GetBestXP returns n Copaing with the best XP within d days (d <= cfg.DaysXPRemain; d < 0 <=> d = cfg.DaysXPRemain)
//
// This function is slow
func GetBestXP(ctx context.Context, logger *slog.Logger, guildId string, n uint, d int) ([]CopaingCached, error) {
if d < 0 {
cfg := config.GetGuildConfig(guildId)
d = int(cfg.DaysXPRemains)
return getBestXPFull(ctx, guildId, n), nil
}
rows, err := gokord.DB.Model(&Copaing{}).Where("guild_id = ?", guildId).Rows()
if err != nil {
return nil, err
}
defer rows.Close()
var l []*cXP
var wg sync.WaitGroup
for rows.Next() {
var c Copaing
err = gokord.DB.ScanRows(rows, &c)
if err != nil {
logger.Error("scanning rows", "error", err, "copaing", c.ID, "guild", c.GuildID)
continue
}
wg.Go(func() {
xp, err := c.GetXPForDays(logger, uint(d))
if err != nil {
logger.Error("fetching xp", "error", err, "copaing", c.ID, "guild", c.GuildID)
return
}
l = append(l, &cXP{Cxp: xp, copaing: &c})
})
}
wg.Wait()
slices.SortFunc(l, func(a, b *cXP) int {
// desc order
return int(b.Cxp) - int(a.Cxp)
})
m := min(len(l), int(n))
cs := make([]CopaingCached, m)
for i, c := range l[:m] {
cs[i] = CopaingCached{DiscordID: c.copaing.DiscordID, XPs: c.Cxp}
}
return cs, nil
}
func getBestXPFull(ctx context.Context, guildId string, n uint) []CopaingCached {
ccs := GetState(ctx).Copaings(guildId)
slices.SortFunc(ccs, func(a, b CopaingCached) int {
return int(b.XPs) - int(a.XPs)
})
m := min(len(ccs), int(n))
return ccs[:m]
}
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