1 files changed, 137 insertions, 0 deletions
diff --git a/user/xp.go b/user/xp.go
new file mode 100644
index 0000000..71a1ced
--- /dev/null
+++ b/user/xp.go
@@ -0,0 +1,137 @@
+package user
+
+import (
+	"github.com/anhgelus/gokord"
+	"github.com/anhgelus/gokord/utils"
+	"github.com/anhgelus/les-copaings-bot/config"
+	"github.com/anhgelus/les-copaings-bot/exp"
+	"github.com/bwmarrin/discordgo"
+	"slices"
+	"sync"
+)
+
+type cXP struct {
+	Cxp uint
+	*Copaing
+}
+
+func (c *cXP) ToCopaing() *Copaing {
+	return c.Copaing
+}
+
+func (c *cXP) GetXP() uint {
+	return c.Cxp
+}
+
+func (c *Copaing) AddXP(s *discordgo.Session, m *discordgo.Member, xp uint, fn func(uint, uint)) {
+	old, err := c.GetXP()
+	if err != nil {
+		utils.SendAlert("user/xp.go - Getting xp", err.Error(), "discord_id", c.DiscordID, "guild_id", c.GuildID)
+		return
+	}
+	pastLevel := exp.Level(old)
+	utils.SendDebug("Adding xp", "member", m.DisplayName(), "old xp", old, "xp to add", xp, "old level", pastLevel)
+	c.CopaingXPs = append(c.CopaingXPs, CopaingXP{CopaingID: c.ID, XP: xp, GuildID: c.GuildID})
+	if err = c.Save(); err != nil {
+		utils.SendAlert(
+			"user/xp.go - Saving user",
+			err.Error(),
+			"xp",
+			c.CopaingXPs,
+			"discord_id",
+			c.DiscordID,
+			"guild_id",
+			c.GuildID,
+		)
+		return
+	}
+	newLevel := exp.Level(old + xp)
+	if newLevel > pastLevel {
+		fn(old+xp, newLevel)
+		onNewLevel(s, m, newLevel)
+	}
+}
+
+func (c *Copaing) GetXP() (uint, error) {
+	cfg := config.GetGuildConfig(c.GuildID)
+	return c.GetXPForDays(cfg.DaysXPRemains)
+}
+
+func (c *Copaing) GetXPForDays(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()
+	defer rows.Close()
+	if err != nil {
+		return 0, err
+	}
+	for rows.Next() {
+		var cxp CopaingXP
+		err = gokord.DB.ScanRows(rows, &cxp)
+		if err != nil {
+			utils.SendAlert("user/xp.go - Scanning rows", err.Error(), "copaing_id", c.ID, "guild_id", 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(guildId string, n uint, d int) ([]CopaingAccess, error) {
+	if d < 0 {
+		cfg := config.GetGuildConfig(guildId)
+		d = int(cfg.DaysXPRemains)
+	}
+	rows, err := gokord.DB.Model(&Copaing{}).Where("guild_id = ?", guildId).Rows()
+	defer rows.Close()
+	if err != nil {
+		return nil, err
+	}
+	var l []*cXP
+	wg := sync.WaitGroup{}
+	for rows.Next() {
+		var c Copaing
+		err = gokord.DB.ScanRows(rows, &c)
+		if err != nil {
+			utils.SendAlert("user/xp.go - Scanning rows", err.Error(), "guild_id", guildId)
+			continue
+		}
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			xp, err := c.GetXPForDays(uint(d))
+			if err != nil {
+				utils.SendAlert("user/xp.go - Fetching xp", err.Error(), "discord_id", c.DiscordID, "guild_id", guildId)
+				return
+			}
+			l = append(l, &cXP{Cxp: xp, Copaing: &c})
+		}()
+	}
+	wg.Wait()
+	slices.SortFunc(l, func(a, b *cXP) int {
+		// desc order
+		if a.Cxp < b.Cxp {
+			return 1
+		}
+		if a.Cxp > b.Cxp {
+			return -1
+		}
+		return 0
+	})
+	m := min(len(l), int(n))
+	cs := make([]CopaingAccess, m)
+	for i, c := range l[:m] {
+		cs[i] = c
+	}
+	return cs, nil
+}