feat(db): disable redis and use local map to store values

README.md

@@ -47,7 +47,7 @@ You can stop the compose file with `docker compose down`
 ```bash
 $ git clone https://github.com/anhgelus/les-copaings-bot.git
 ```
-2. Install Go 1.22+
+2. Install Go 1.24+
 3. Go into the repository and build the program
 ```bash
 $ go build . 
@@ -68,11 +68,6 @@ The default configuration is
 debug = false
 author = "anhgelus"
 
-[redis]
-address = "localhost:6379"
-password = ""
-db = 0
-
 [database]
 host = "localhost"
 user = ""
@@ -83,9 +78,6 @@ port = 5432
 
 - `debug` is true if the bot is in debug mode (don't turn it on unless you are modifying the source code)
 - `author` is the author's name
-- `[redis].address` is the address of redis (using docker, it's `redis:6379`)
-- `[redis].password` is the redis's password
-- `[redis].db` is the db to use
 - `[database].host` is the host of postgres (using docker, it's `postgres`)
 - `[database].user` is the user of postgres to use (using docker, it must be the same value as `POSTGRES_USER` in `.env`)
 - `[database].password` is the user's password of postgres to use (using docker, it must be the same value as

config.go

@@ -11,7 +11,6 @@ import (
 type Config struct {
 	Debug    bool            `toml:"debug"`
 	Author   string          `toml:"author"`
-	Redis    *gokord.RedisCredentials `toml:"redis"`
 	Database *PostgresConfig `toml:"database"`
 }
 
@@ -55,14 +54,12 @@ func (c *Config) GetAuthor() string {
 }
 
 func (c *Config) GetRedisCredentials() *gokord.RedisCredentials {
-	return c.Redis
+	return nil
 }
 
 func (c *Config) SetDefaultValues() {
 	c.Debug = false
 	c.Author = "anhgelus"
-	c.Redis = &gokord.RedisCredentials{}
-	c.Redis.SetDefaultValues()
 	c.Database = &PostgresConfig{}
 	c.Database.SetDefaultValues()
 }

config/redis.go

@@ -1,28 +0,0 @@
-package config
-
-import (
-	"github.com/anhgelus/gokord"
-	"github.com/anhgelus/gokord/utils"
-	"github.com/redis/go-redis/v9"
-)
-
-var redisClient *redis.Client
-
-func GetRedisClient() (*redis.Client, error) {
-	if redisClient == nil {
-		var err error
-		redisClient, err = gokord.BaseCfg.GetRedisCredentials().Connect()
-		return redisClient, err
-	}
-	return redisClient, nil
-}
-
-func CloseRedisClient() {
-	if redisClient == nil {
-		return
-	}
-	err := redisClient.Close()
-	if err != nil {
-		utils.SendAlert("config/redis.go - Closing redis client", err.Error())
-	}
-}

docker-compose.yml

@@ -7,10 +7,7 @@ services:
     volumes:
       - ./config:/app/config
     depends_on:
-      - redis
       - postgres
-  redis:
-    image: docker.io/redis:alpine
   postgres:
     image: postgres:alpine
     env_file:

events.go

@@ -1,27 +1,26 @@
 package main
 
 import (
-	"context"
-	"errors"
 	"fmt"
 	"github.com/anhgelus/gokord/utils"
 	"github.com/anhgelus/les-copaings-bot/config"
 	"github.com/anhgelus/les-copaings-bot/exp"
 	"github.com/anhgelus/les-copaings-bot/user"
 	"github.com/bwmarrin/discordgo"
-	"github.com/redis/go-redis/v9"
-	"strconv"
 	"strings"
 	"time"
 )
 
 const (
-	ConnectedSince  = "connected_since"
 	NotConnected    = -1
 	MaxTimeInVocal  = 60 * 60 * 6
 	MaxXpPerMessage = 250
 )
 
+var (
+	connectedSince = map[string]int64{}
+)
+
 func OnMessage(s *discordgo.Session, m *discordgo.MessageCreate) {
 	if m.Author.Bot {
 		return
@@ -52,79 +51,45 @@ func OnVoiceUpdate(s *discordgo.Session, e *discordgo.VoiceStateUpdate) {
 		return
 	}
 	cfg := config.GetGuildConfig(e.GuildID)
-	client, err := config.GetRedisClient()
-	if err != nil {
-		utils.SendAlert("events.go - Getting redis client", err.Error())
-		return
-	}
 	if e.BeforeUpdate == nil && e.ChannelID != "" {
 		if cfg.IsDisabled(e.ChannelID) {
 			return
 		}
-		onConnection(s, e, client)
+		onConnection(s, e)
 	} else if e.BeforeUpdate != nil && e.ChannelID == "" {
 		if cfg.IsDisabled(e.BeforeUpdate.ChannelID) {
 			return
 		}
-		onDisconnect(s, e, client)
+		onDisconnect(s, e)
 	}
 }
 
-func onConnection(_ *discordgo.Session, e *discordgo.VoiceStateUpdate, client *redis.Client) {
+func onConnection(_ *discordgo.Session, e *discordgo.VoiceStateUpdate) {
 	utils.SendDebug("User connected", "username", e.Member.DisplayName())
-	c := user.GetCopaing(e.UserID, e.GuildID)
-	err := client.Set(
-		context.Background(),
-		c.GenKey(ConnectedSince),
-		strconv.FormatInt(time.Now().Unix(), 10),
-		0,
-	).Err()
-	if err != nil {
-		utils.SendAlert("events.go - Setting connected_since", err.Error())
-	}
+	connectedSince[e.UserID] = time.Now().Unix()
 }
 
-func onDisconnect(s *discordgo.Session, e *discordgo.VoiceStateUpdate, client *redis.Client) {
+func onDisconnect(s *discordgo.Session, e *discordgo.VoiceStateUpdate) {
 	now := time.Now().Unix()
 	c := user.GetCopaing(e.UserID, e.GuildID)
-	key := c.GenKey(ConnectedSince)
-	res := client.Get(context.Background(), key)
-	// check validity of user (1)
-	if errors.Is(res.Err(), redis.Nil) {
-		utils.SendWarn(fmt.Sprintf(
-			"User %s diconnect from a vocal but does not have a connected_since", e.Member.DisplayName(),
-		))
-		return
-	}
-	if res.Err() != nil {
-		utils.SendAlert("events.go - Getting connected_since", res.Err().Error())
-		err := client.Set(context.Background(), key, strconv.Itoa(NotConnected), 0).Err()
-		if err != nil {
-			utils.SendAlert("events.go - Set connected_since to not connected after get err", err.Error())
-		}
-		return
-	}
-	con, err := res.Int64()
-	if err != nil {
-		utils.SendAlert("events.go - Converting result to int64", err.Error())
-		return
-	}
-	// check validity of user (2)
+	// check the validity of user
+	con := connectedSince[e.UserID]
 	if con == NotConnected {
 		utils.SendWarn(fmt.Sprintf(
 			"User %s diconnect from a vocal but was registered as not connected", e.Member.DisplayName(),
 		))
 		return
 	}
-	utils.SendDebug("User disconnected", "username", e.Member.DisplayName(), "since", con)
-	err = client.Set(context.Background(), key, strconv.Itoa(NotConnected), 0).Err()
-	if err != nil {
-		utils.SendAlert("events.go - Set connected_since to not connected", err.Error())
-	}
-	// add exp
 	timeInVocal := now - con
+	utils.SendDebug("User disconnected", "username", e.Member.DisplayName(), "time in vocal", timeInVocal)
+	connectedSince[e.UserID] = NotConnected
+	// add exp
 	if timeInVocal < 0 {
-		utils.SendAlert("events.go - Calculating time spent in vocal", "the time is negative", "discord_id", e.UserID, "guild_id", e.GuildID)
+		utils.SendAlert(
+			"events.go - Calculating time spent in vocal", "the time is negative",
+			"discord_id", e.UserID,
+			"guild_id", e.GuildID,
+		)
 		return
 	}
 	if timeInVocal > MaxTimeInVocal {
@@ -137,7 +102,7 @@ func onDisconnect(s *discordgo.Session, e *discordgo.VoiceStateUpdate, client *r
 		if len(cfg.FallbackChannel) == 0 {
 			return
 		}
-		_, err = s.ChannelMessageSend(cfg.FallbackChannel, fmt.Sprintf(
+		_, err := s.ChannelMessageSend(cfg.FallbackChannel, fmt.Sprintf(
 			"%s est maintenant niveau %d", e.Member.Mention(), newLevel,
 		))
 		if err != nil {

main.go

@@ -27,10 +27,11 @@ var (
 
 func init() {
 	flag.StringVar(&token, "token", "", "token of the bot")
-	flag.Parse()
 }
 
 func main() {
+	flag.Parse()
+	gokord.UseRedis = false
 	err := gokord.SetupConfigs(&Config{}, []*gokord.ConfigInfo{})
 	if err != nil {
 		panic(err)
@@ -176,8 +177,6 @@ func main() {
 	if stopPeriodicReducer != nil {
 		stopPeriodicReducer <- true
 	}
-
-	config.CloseRedisClient()
 }
 
 func afterInit(dg *discordgo.Session) {

user/member.go

@@ -1,7 +1,6 @@
 package user
 
 import (
-	"fmt"
 	"github.com/anhgelus/gokord"
 	"github.com/anhgelus/gokord/utils"
 	"time"
@@ -60,10 +59,6 @@ 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)
-}
-
 func (c *Copaing) Delete() error {
 	return gokord.DB.Where("guild_id = ? AND discord_id = ?", c.GuildID, c.DiscordID).Delete(c).Error
 }