Files
banner/internal/meta.go

96 lines
3.0 KiB
Go

package internal
import (
"banner/internal/config"
"context"
"time"
"github.com/bwmarrin/discordgo"
"github.com/redis/go-redis/v9"
log "github.com/rs/zerolog/log"
)
// GetGuildName returns the name of the guild with the given ID, utilizing Redis to cache the value
func GetGuildName(cfg *config.Config, session *discordgo.Session, guildID string) string {
// Create a timeout context for Redis operations
ctx, cancel := context.WithTimeout(cfg.Ctx, 5*time.Second)
defer cancel()
// Check Redis for the guild name
guildName, err := cfg.KV.Get(ctx, "guild:"+guildID+":name").Result()
if err != nil && err != redis.Nil {
log.Error().Stack().Err(err).Msg("Error getting guild name from Redis")
return "err"
}
// If the guild name is invalid (1 character long), then return "unknown"
if len(guildName) == 1 {
return "unknown"
}
// If the guild name isn't in Redis, get it from Discord and cache it
guild, err := session.Guild(guildID)
if err != nil {
log.Error().Stack().Err(err).Msg("Error getting guild name")
// Store an invalid value in Redis so we don't keep trying to get the guild name
ctx2, cancel2 := context.WithTimeout(cfg.Ctx, 5*time.Second)
defer cancel2()
_, err := cfg.KV.Set(ctx2, "guild:"+guildID+":name", "x", time.Minute*5).Result()
if err != nil {
log.Error().Stack().Err(err).Msg("Error setting false guild name in Redis")
}
return "unknown"
}
// Cache the guild name in Redis
ctx3, cancel3 := context.WithTimeout(cfg.Ctx, 5*time.Second)
defer cancel3()
cfg.KV.Set(ctx3, "guild:"+guildID+":name", guild.Name, time.Hour*3)
return guild.Name
}
// GetChannelName returns the name of the channel with the given ID, utilizing Redis to cache the value
func GetChannelName(cfg *config.Config, session *discordgo.Session, channelID string) string {
// Create a timeout context for Redis operations
ctx, cancel := context.WithTimeout(cfg.Ctx, 5*time.Second)
defer cancel()
// Check Redis for the channel name
channelName, err := cfg.KV.Get(ctx, "channel:"+channelID+":name").Result()
if err != nil && err != redis.Nil {
log.Error().Stack().Err(err).Msg("Error getting channel name from Redis")
return "err"
}
// If the channel name is invalid (1 character long), then return "unknown"
if len(channelName) == 1 {
return "unknown"
}
// If the channel name isn't in Redis, get it from Discord and cache it
channel, err := session.Channel(channelID)
if err != nil {
log.Error().Stack().Err(err).Msg("Error getting channel name")
// Store an invalid value in Redis so we don't keep trying to get the channel name
ctx2, cancel2 := context.WithTimeout(cfg.Ctx, 5*time.Second)
defer cancel2()
_, err := cfg.KV.Set(ctx2, "channel:"+channelID+":name", "x", time.Minute*5).Result()
if err != nil {
log.Error().Stack().Err(err).Msg("Error setting false channel name in Redis")
}
return "unknown"
}
// Cache the channel name in Redis
ctx3, cancel3 := context.WithTimeout(cfg.Ctx, 5*time.Second)
defer cancel3()
cfg.KV.Set(ctx3, "channel:"+channelID+":name", channel.Name, time.Hour*3)
return channel.Name
}