Initial commit

core/server/cache/index.go

@@ -0,0 +1,72 @@
+package cache
+
+import (
+	"context"
+	"errors"
+	"github.com/redis/go-redis/v9"
+	"strings"
+	"sync"
+	"time"
+
+	"pet-house.com/core/server/viper_server"
+)
+
+var ErrRedisInit = errors.New("缓存初始化失败")
+var (
+	once        sync.Once
+	cacheClient redis.UniversalClient
+)
+
+// init  initialize
+func init() {
+	viper_server.Init(getViperConfig())
+}
+
+// Instance get instance
+func Instance() redis.UniversalClient {
+	once.Do(func() {
+		universalOptions := &redis.UniversalOptions{
+			Addrs:       strings.Split(CONFIG.Addr, ","),
+			Password:    CONFIG.Password,
+			PoolSize:    CONFIG.PoolSize,
+			DialTimeout: 300 * time.Second,
+			DB:          CONFIG.DB,
+		}
+		cacheClient = redis.NewUniversalClient(universalOptions)
+	})
+
+	return cacheClient
+}
+
+// SetCache
+func SetCache(key string, value interface{}, expiration time.Duration) error {
+	err := Instance().Set(context.Background(), key, value, expiration).Err()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// DeleteCache
+func DeleteCache(key string) (int64, error) {
+	return Instance().Del(context.Background(), key).Result()
+}
+
+// GetCacheString
+func GetCacheString(key string) (string, error) {
+	value, err := GetCacheBytes(key)
+	if err != nil {
+		return "", err
+	}
+	return string(value), nil
+}
+
+// GetCacheBytes
+func GetCacheBytes(key string) ([]byte, error) {
+	return Instance().Get(context.Background(), key).Bytes()
+}
+
+// GetCacheUint
+func GetCacheUint(key string) (uint64, error) {
+	return Instance().Get(context.Background(), key).Uint64()
+}