Extracted scenario

internal/caching/cache.go

@@ -0,0 +1,31 @@
+package caching
+
+import (
+	"time"
+
+	"github.com/go-redis/redis"
+)
+
+type CacheClient struct {
+	Storage    *redis.Client
+	Expiration time.Duration
+}
+
+func NewClient(addr string, passwd string, expiration time.Duration, db int) *CacheClient {
+	return &CacheClient{
+		Storage: redis.NewClient(&redis.Options{
+			Addr:     addr,
+			Password: passwd,
+			DB:       db,
+		}),
+		Expiration: expiration,
+	}
+}
+
+func (client *CacheClient) Set(key string, value string) {
+	client.Storage.Set(key, value, client.Expiration)
+}
+
+func (client *CacheClient) Get(key string) (string, error) {
+	return client.Storage.Get(key).Result()
+}