add redis

modules/memstore/redis.go

@@ -0,0 +1,66 @@
+package memstore
+
+import (
+	"errors"
+	"time"
+
+	"github.com/go-redis/redis"
+)
+
+var redisStore *redis.Client
+
+// InitClient -
+func InitClient() error {
+	redisStore = redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "",
+		DB:       0,
+	})
+
+	_, err := redisStore.Ping().Result()
+	return err
+}
+
+// RedisSet -
+func RedisSet(namespace, key string, val string, expire int) error {
+	var t time.Duration
+	if expire > 0 {
+		t = time.Second * time.Duration(expire)
+	}
+	var n string
+	if len(namespace) > 0 {
+		n += namespace
+		n += ":"
+	}
+
+	if len(key) == 0 {
+		return errors.New("key empty")
+	}
+
+	n += key
+
+	err := redisStore.Set(n, val, t).Err()
+	return err
+}
+
+// RedisGet -
+func RedisGet(namespace, key string) (string, error) {
+	var n string
+	if len(namespace) > 0 {
+		n += namespace
+		n += ":"
+	}
+
+	if len(key) == 0 {
+		return "", errors.New("key empty")
+	}
+
+	if len(n) > 0 {
+		n += ":"
+	}
+
+	n += key
+
+	val, err := redisStore.Get(key).Result()
+	return val, err
+}