style(files): reorganize everything

3 files changed, 499 insertions, 0 deletions

diff --git a/user/level.go b/user/level.go
new file mode 100644
index 0000000..0abd642
--- /dev/null
+++ b/user/level.go
@@ -0,0 +1,207 @@
+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"
+	"time"
+)
+
+func onNewLevel(dg *discordgo.Session, m *discordgo.Member, level uint) {
+	cfg := config.GetGuildConfig(m.GuildID)
+	xpForLevel := exp.LevelXP(level)
+	for _, role := range cfg.XpRoles {
+		if role.XP <= xpForLevel && !slices.Contains(m.Roles, role.RoleID) {
+			utils.SendDebug(
+				"Add role",
+				"role_id", role.RoleID,
+				"user_id", m.User.ID,
+				"guild_id", m.GuildID,
+			)
+			err := dg.GuildMemberRoleAdd(m.GuildID, m.User.ID, role.RoleID)
+			if err != nil {
+				utils.SendAlert("exp/level.go - Adding role", err.Error(), "role_id", role.RoleID)
+			}
+		} else if role.XP > xpForLevel && slices.Contains(m.Roles, role.RoleID) {
+			utils.SendDebug(
+				"Remove role",
+				"role_id", role.RoleID,
+				"user_id", m.User.ID,
+				"guild_id", m.GuildID,
+			)
+			err := dg.GuildMemberRoleRemove(m.GuildID, m.User.ID, role.RoleID)
+			if err != nil {
+				utils.SendAlert("exp/level.go - Removing role", err.Error(), "role_id", role.RoleID)
+			}
+		}
+	}
+}
+
+func (c *Copaing) OnNewLevel(dg *discordgo.Session, level uint) {
+	m, err := dg.GuildMember(c.GuildID, c.DiscordID)
+	if err != nil {
+		utils.SendAlert(
+			"exp/level.go - Getting member for new level", err.Error(),
+			"discord_id", c.DiscordID,
+			"guild_id", c.GuildID,
+		)
+		return
+	}
+	onNewLevel(dg, m, level)
+}
+
+func LastEventUpdate(dg *discordgo.Session, c *Copaing) {
+	h := c.HourSinceLastEvent()
+	l := exp.Lose(h, c.XP)
+	xp := c.XPAlreadyRemoved()
+	oldXP := c.XP
+	if l-xp < 0 {
+		utils.SendWarn("lose - exp already removed is negative", "lose", l, "exp", xp)
+		c.XP = 0
+	} else {
+		calc := int(c.XP) - int(l) + int(c.XPAlreadyRemoved())
+		if calc < 0 {
+			c.XP = 0
+		} else {
+			c.XP = uint(calc)
+		}
+	}
+	if oldXP != c.XP {
+		lvl := exp.Level(c.XP)
+		if exp.Level(oldXP) != lvl {
+			utils.SendDebug(
+				"Level changed",
+				"old", exp.Level(oldXP),
+				"new", lvl,
+				"discord_id", c.DiscordID,
+				"guild_id", c.GuildID,
+			)
+			c.OnNewLevel(dg, lvl)
+		}
+		if err := c.Save(); err != nil {
+			utils.SendAlert(
+				"exp/level.go - Saving user", err.Error(),
+				"exp", c.XP,
+				"discord_id", c.DiscordID,
+				"guild_id", c.GuildID,
+			)
+		}
+	}
+	c.SetLastEvent()
+}
+
+func UpdateXP(dg *discordgo.Session, c *Copaing) {
+	oldXP := c.XP
+	if oldXP == 0 {
+		return
+	}
+	h := c.HourSinceLastEvent()
+	l := exp.Lose(h, c.XP)
+	xp := c.XPAlreadyRemoved()
+	if l-xp < 0 {
+		utils.SendWarn("lose - xp_removed is negative", "lose", l, "exp removed", xp)
+		c.AddXPAlreadyRemoved(0)
+	} else {
+		calc := int(c.XP) - int(l) + int(xp)
+		if calc < 0 {
+			c.AddXPAlreadyRemoved(c.XP)
+			c.XP = 0
+		} else {
+			c.XP = uint(calc)
+			c.AddXPAlreadyRemoved(l - xp)
+		}
+	}
+	if oldXP != c.XP {
+		lvl := exp.Level(c.XP)
+		if exp.Level(oldXP) != lvl {
+			utils.SendDebug(
+				"Level updated",
+				"old", exp.Level(oldXP),
+				"new", lvl,
+				"discord_id", c.DiscordID,
+				"guild_id", c.GuildID,
+			)
+			c.OnNewLevel(dg, lvl)
+		}
+		utils.SendDebug("Save XP", "old", oldXP, "new", c.XP, "user", c.DiscordID)
+		if err := c.Save(); err != nil {
+			utils.SendAlert(
+				"exp/level.go - Saving user", err.Error(),
+				"exp", c.XP,
+				"discord_id", c.DiscordID,
+				"guild_id", c.GuildID,
+			)
+		}
+	}
+}
+
+func PeriodicReducer(dg *discordgo.Session) {
+	var wg sync.WaitGroup
+	for _, g := range dg.State.Guilds {
+		var cs []*Copaing
+		err := gokord.DB.Where("guild_id = ?", g.ID).Find(&cs).Error
+		if err != nil {
+			utils.SendAlert("exp/level.go - Querying all copaings in Guild", err.Error(), "guild_id", g.ID)
+			continue
+		}
+		for i, c := range cs {
+			if i%50 == 49 {
+				time.Sleep(15 * time.Second) // sleep prevents from spamming the Discord API and the database
+			}
+			var u *discordgo.User
+			u, err = dg.User(c.DiscordID)
+			if err != nil {
+				utils.SendAlert(
+					"exp/level.go - Fetching user", err.Error(),
+					"discord_id", c.DiscordID,
+					"guild_id", g.ID,
+				)
+				utils.SendWarn("Removing user from database", "discord_id", c.DiscordID)
+				if err = gokord.DB.Delete(c).Error; err != nil {
+					utils.SendAlert(
+						"exp/level.go - Removing user from database", err.Error(),
+						"discord_id", c.DiscordID,
+						"guild_id", g.ID,
+					)
+				}
+				continue
+			}
+			if u.Bot {
+				continue
+			}
+			if _, err = dg.GuildMember(g.ID, c.DiscordID); err != nil {
+				utils.SendAlert(
+					"exp/level.go - Fetching member", err.Error(),
+					"discord_id", c.DiscordID,
+					"guild_id", g.ID,
+				)
+				utils.SendWarn(
+					"Removing user from guild in database",
+					"discord_id", c.DiscordID,
+					"guild_id", g.ID,
+				)
+				if err = gokord.DB.Where("guild_id = ?", g.ID).Delete(c).Error; err != nil {
+					utils.SendAlert(
+						"exp/level.go - Removing user from guild in database", err.Error(),
+						"discord_id", c.DiscordID,
+						"guild_id", g.ID,
+					)
+				}
+				continue
+			}
+			wg.Add(1)
+			go func() {
+				UpdateXP(dg, c)
+				wg.Done()
+			}()
+		}
+		wg.Wait() // finish the entire guild before starting another
+		utils.SendDebug("Periodic reduce, guild finished", "guild", g.Name)
+		time.Sleep(15 * time.Second) // sleep prevents from spamming the Discord API and the database
+	}
+	utils.SendDebug("Periodic reduce finished", "len(guilds)", len(dg.State.Guilds))
+}
diff --git a/user/member.go b/user/member.go
new file mode 100644
index 0000000..8a33ed3
--- /dev/null
+++ b/user/member.go
@@ -0,0 +1,107 @@
+package user
+
+import (
+	"fmt"
+	"github.com/anhgelus/gokord"
+	"github.com/anhgelus/gokord/utils"
+	"gorm.io/gorm"
+)
+
+type Copaing struct {
+	gorm.Model
+	DiscordID string `gorm:"not null"`
+	//XP        []CopaingXP
+	XP      uint   `gorm:"default:0"`
+	GuildID string `gorm:"not null"`
+}
+
+type leftCopaing struct {
+	ID         uint
+	StopDelete chan<- interface{}
+}
+
+//type CopaingXP struct {
+//	gorm.Model
+//	XP        uint `gorm:"default:0"`
+//	CopaingID uint
+//}
+
+var (
+	leftCopaingsMap = map[string]*leftCopaing{}
+)
+
+const (
+	LastEvent      = "last_event"
+	AlreadyRemoved = "already_removed"
+)
+
+func GetCopaing(discordID string, guildID string) *Copaing {
+	c := Copaing{DiscordID: discordID, GuildID: guildID}
+	if err := c.Load(); err != nil {
+		utils.SendAlert(
+			"exp/member.go - Loading user",
+			err.Error(),
+			"discord_id",
+			discordID,
+			"guild_id",
+			guildID,
+		)
+		return nil
+	}
+	return &c
+}
+
+func (c *Copaing) Load() error {
+	// check if user left in the past 48 hours
+	k := c.GuildID + ":" + c.DiscordID
+	l, ok := leftCopaingsMap[k]
+	if !ok || l == nil {
+		// if not, common first or create
+		return gokord.DB.Where("discord_id = ? and guild_id = ?", c.DiscordID, c.GuildID).FirstOrCreate(c).Error
+	}
+	// else, getting last data
+	tmp := Copaing{
+		Model: gorm.Model{
+			ID: c.ID,
+		},
+		DiscordID: c.DiscordID,
+		GuildID:   c.GuildID,
+	}
+	if err := gokord.DB.Unscoped().Find(&tmp).Error; err != nil {
+		// if error, avoid getting old data and use new one
+		utils.SendAlert(
+			"exp/member.go - Getting user in soft delete", err.Error(),
+			"discord_id", c.DiscordID,
+			"guild_id", c.DiscordID,
+			"last_id", l.ID,
+		)
+		return gokord.DB.Where("discord_id = ? and guild_id = ?", c.DiscordID, c.GuildID).FirstOrCreate(c).Error
+	}
+	// resetting internal data
+	tmp.Model = gorm.Model{}
+	l.StopDelete <- true
+	leftCopaingsMap[k] = nil
+	// creating new data
+	err := gokord.DB.Create(&tmp).Error
+	if err != nil {
+		return err
+	}
+	// delete old data
+	if err = gokord.DB.Unscoped().Delete(&tmp).Error; err != nil {
+		utils.SendAlert(
+			"exp/member.go - Deleting user in soft delete", err.Error(),
+			"discord_id", c.DiscordID,
+			"guild_id", c.DiscordID,
+			"last_id", l.ID,
+		)
+	}
+	return nil
+}
+
+func (c *Copaing) Save() error {
+	return gokord.DB.Save(c).Error
+}
+
+func (c *Copaing) GenKey(key string) string {
+	return fmt.Sprintf("%s:%s:%s", c.GuildID, c.DiscordID, key)
+}
diff --git a/user/xp.go b/user/xp.go
new file mode 100644
index 0000000..6cd9b75
--- /dev/null
+++ b/user/xp.go
@@ -0,0 +1,185 @@
+package user
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"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"
+	"github.com/redis/go-redis/v9"
+	"gorm.io/gorm"
+	"math"
+	"strconv"
+	"time"
+)
+
+func (c *Copaing) AddXP(s *discordgo.Session, m *discordgo.Member, xp uint, fn func(uint, uint)) {
+	pastLevel := exp.Level(c.XP)
+	old := c.XP
+	c.XP += xp
+	if err := c.Save(); err != nil {
+		utils.SendAlert(
+			"exp/level.go - Saving user",
+			err.Error(),
+			"exp",
+			c.XP,
+			"discord_id",
+			c.DiscordID,
+			"guild_id",
+			c.GuildID,
+		)
+		c.XP = old
+		return
+	}
+	newLevel := exp.Level(c.XP)
+	if newLevel > pastLevel {
+		fn(c.XP, newLevel)
+		onNewLevel(s, m, newLevel)
+	}
+}
+
+func (c *Copaing) SetLastEvent() {
+	client, err := config.GetRedisClient()
+	if err != nil {
+		utils.SendAlert("exp/member.go - Getting redis client (set)", err.Error())
+		return
+	}
+	t := time.Now().Unix()
+	err = client.Set(context.Background(), c.GenKey(LastEvent), strconv.FormatInt(t, 10), 0).Err()
+	if err != nil {
+		utils.SendAlert("exp/member.go - Setting last event", err.Error(), "time", t, "base_key", c.GenKey(""))
+		return
+	}
+	err = client.Set(context.Background(), c.GenKey(AlreadyRemoved), "0", 0).Err()
+	if err != nil {
+		utils.SendAlert(
+			"exp/member.go - Setting already removed to 0",
+			err.Error(),
+			"time",
+			t,
+			"base_key",
+			c.GenKey(""),
+		)
+		return
+	}
+}
+
+func (c *Copaing) HourSinceLastEvent() uint {
+	client, err := config.GetRedisClient()
+	if err != nil {
+		utils.SendAlert("exp/member.go - Getting redis client (get)", err.Error())
+		return 0
+	}
+	res := client.Get(context.Background(), c.GenKey(LastEvent))
+	if errors.Is(res.Err(), redis.Nil) {
+		return 0
+	} else if res.Err() != nil {
+		utils.SendAlert("exp/member.go - Getting last event", res.Err().Error(), "base_key", c.GenKey(""))
+		return 0
+	}
+	t := time.Now().Unix()
+	last, err := strconv.Atoi(res.Val())
+	if err != nil {
+		utils.SendAlert(
+			"exp/member.go - Converting time fetched into int (last event)",
+			err.Error(),
+			"base_key",
+			c.GenKey(""),
+			"val",
+			res.Val(),
+		)
+		return 0
+	}
+	if gokord.Debug {
+		return uint(math.Floor(float64(t-int64(last)) / 60)) // not hours of unix, is minutes of unix
+	}
+	return utils.HoursOfUnix(t - int64(last))
+}
+
+func (c *Copaing) AddXPAlreadyRemoved(xp uint) uint {
+	client, err := config.GetRedisClient()
+	if err != nil {
+		utils.SendAlert("exp/member.go - Getting redis client (set)", err.Error())
+		return 0
+	}
+	exp := xp + c.XPAlreadyRemoved()
+	err = client.Set(context.Background(), c.GenKey(AlreadyRemoved), exp, 0).Err()
+	if err != nil {
+		utils.SendAlert(
+			"exp/member.go - Setting already removed",
+			err.Error(),
+			"exp already removed",
+			exp,
+			"base_key",
+			c.GenKey(""),
+		)
+		return 0
+	}
+	return exp
+}
+
+func (c *Copaing) XPAlreadyRemoved() uint {
+	client, err := config.GetRedisClient()
+	if err != nil {
+		utils.SendAlert("exp/member.go - Getting redis client (exp)", err.Error())
+		return 0
+	}
+	res := client.Get(context.Background(), fmt.Sprintf("%s:%s", c.GenKey(""), AlreadyRemoved))
+	if errors.Is(res.Err(), redis.Nil) {
+		return 0
+	} else if res.Err() != nil {
+		utils.SendAlert("exp/member.go - Getting already removed", res.Err().Error(), "base_key", c.GenKey(""))
+		return 0
+	}
+	xp, err := strconv.Atoi(res.Val())
+	if err != nil {
+		utils.SendAlert(
+			"exp/member.go - Converting time fetched into int (already removed)",
+			err.Error(),
+			"base_key",
+			c.GenKey(""),
+			"val",
+			res.Val(),
+		)
+		return 0
+	}
+	if xp < 0 {
+		utils.SendAlert(
+			"exp/member.go - Assertion exp >= 0",
+			"exp is negative",
+			"base_key",
+			c.GenKey(""),
+			"exp",
+			xp,
+		)
+		return 0
+	}
+	return uint(xp)
+}
+
+func (c *Copaing) Reset() {
+	gokord.DB.Where("guild_id = ? AND discord_id = ?", c.GuildID, c.DiscordID).Delete(c)
+}
+
+func (c *Copaing) AfterDelete(db *gorm.DB) error {
+	id := c.ID
+	dID := c.DiscordID
+	gID := c.GuildID
+	k := c.GuildID + ":" + c.DiscordID
+	ch := utils.NewTimer(48*time.Hour, func(stop chan<- interface{}) {
+		if err := db.Unscoped().Where("id = ?", id).Delete(c).Error; err != nil {
+			utils.SendAlert(
+				"exp/member.go - Removing user from database", err.Error(),
+				"discord_id", dID,
+				"guild_id", gID,
+			)
+		}
+		stop <- true
+		leftCopaingsMap[k] = nil
+	})
+	leftCopaingsMap[k] = &leftCopaing{id, ch}
+	return nil
+}