Initial commit

pkg/cache/cache.go

@@ -0,0 +1,14 @@
+package cache
+
+import (
+	"context"
+	"time"
+)
+
+// Cache defines the interface for caching operations
+type Cache interface {
+	Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error
+	Get(ctx context.Context, key string) (string, error)
+	Del(ctx context.Context, key string) error
+	Close() error
+}

pkg/cache/interface.go

@@ -0,0 +1 @@
+package cache

pkg/cache/redis.go

@@ -0,0 +1,43 @@
+package cache
+
+import (
+	"context"
+	"time"
+
+	"github.com/redis/go-redis/v9"
+)
+
+type redisCache struct {
+	client *redis.Client
+}
+
+// NewRedisCache creates a new instance of Redis cache implementing Cache interface
+func NewRedisCache(addr, password string, db int) (Cache, error) {
+	rdb := redis.NewClient(&redis.Options{
+		Addr:     addr,
+		Password: password,
+		DB:       db,
+	})
+
+	if err := rdb.Ping(context.Background()).Err(); err != nil {
+		return nil, err
+	}
+
+	return &redisCache{client: rdb}, nil
+}
+
+func (c *redisCache) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error {
+	return c.client.Set(ctx, key, value, expiration).Err()
+}
+
+func (c *redisCache) Get(ctx context.Context, key string) (string, error) {
+	return c.client.Get(ctx, key).Result()
+}
+
+func (c *redisCache) Del(ctx context.Context, key string) error {
+	return c.client.Del(ctx, key).Err()
+}
+
+func (c *redisCache) Close() error {
+	return c.client.Close()
+}