feat: add a redis abstraction to support different versions of the redis sdk (#549)

backend/infra/contract/cache/cache.go

@@ -17,9 +17,96 @@
 package cache
 
 import (
-	"github.com/redis/go-redis/v9"
+	"context"
+	"time"
 )
 
-type Cmdable = redis.Cmdable
+var Nil error
 
-const Nil = redis.Nil
+func SetDefaultNilError(err error) {
+	Nil = err
+}
+
+type Cmdable interface {
+	Pipeline() Pipeliner
+	StringCmdable
+	HashCmdable
+	GenericCmdable
+	ListCmdable
+}
+
+type StringCmdable interface {
+	Set(ctx context.Context, key string, value interface{}, expiration time.Duration) StatusCmd
+	Get(ctx context.Context, key string) StringCmd
+	IncrBy(ctx context.Context, key string, value int64) IntCmd
+	Incr(ctx context.Context, key string) IntCmd
+}
+
+type HashCmdable interface {
+	HSet(ctx context.Context, key string, values ...interface{}) IntCmd
+	HGetAll(ctx context.Context, key string) MapStringStringCmd
+}
+
+type GenericCmdable interface {
+	Del(ctx context.Context, keys ...string) IntCmd
+	Exists(ctx context.Context, keys ...string) IntCmd
+	Expire(ctx context.Context, key string, expiration time.Duration) BoolCmd
+}
+
+type Pipeliner interface {
+	StatefulCmdable
+	Exec(ctx context.Context) ([]Cmder, error)
+}
+
+type StatefulCmdable interface {
+	Cmdable
+}
+
+type ListCmdable interface {
+	LIndex(ctx context.Context, key string, index int64) StringCmd
+	LPush(ctx context.Context, key string, values ...interface{}) IntCmd
+	RPush(ctx context.Context, key string, values ...interface{}) IntCmd
+	LSet(ctx context.Context, key string, index int64, value interface{}) StatusCmd
+	LPop(ctx context.Context, key string) StringCmd
+	LRange(ctx context.Context, key string, start, stop int64) StringSliceCmd
+}
+type Cmder interface {
+	Err() error
+}
+
+type baseCmd interface {
+	Err() error
+}
+
+type IntCmd interface {
+	baseCmd
+	Result() (int64, error)
+}
+
+type MapStringStringCmd interface {
+	baseCmd
+	Result() (map[string]string, error)
+}
+
+type BoolCmd interface {
+	baseCmd
+	Result() (bool, error)
+}
+
+type StatusCmd interface {
+	baseCmd
+	Result() (string, error)
+}
+
+type StringCmd interface {
+	baseCmd
+	Result() (string, error)
+	Val() string
+	Int64() (int64, error)
+	Bytes() ([]byte, error)
+}
+
+type StringSliceCmd interface {
+	baseCmd
+	Result() ([]string, error)
+}