54 lines
1 KiB
Go
54 lines
1 KiB
Go
package lib
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import (
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"context"
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"log"
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"os"
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"github.com/joho/godotenv"
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"github.com/redis/go-redis/v9"
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)
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var ctx = context.Background()
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var RedisClient *redis.Client
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func NewClient() *redis.Client {
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if RedisClient != nil {
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return RedisClient
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}
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godotenv.Load(".env")
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redis_host := os.Getenv("REDIS_HOST")
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redis_password := os.Getenv("REDIS_PASSWORD")
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log.Printf("Connecting to Redis at %s", redis_host)
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RedisClient = redis.NewClient(&redis.Options{
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Addr: redis_host,
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Password: redis_password,
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DB: 0,
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})
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return RedisClient
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}
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func Publish(client *redis.Client, channel string, message string) error {
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if client == nil {
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client = NewClient()
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}
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return client.Publish(ctx, channel, message).Err()
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}
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func Subscribe(client *redis.Client, channel string) (*redis.PubSub, string) {
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if client == nil {
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client = NewClient()
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}
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pubsub := client.Subscribe(ctx, channel)
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_, err := pubsub.Receive(ctx)
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if err != nil {
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log.Fatalf("Error receiving subscription: %v", err)
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}
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return pubsub, channel
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}
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