first commit

internal/redismodel/redismodel.go

@@ -0,0 +1,41 @@
+package redismodel
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"time"
+
+	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/pkg/setting"
+	"github.com/redis/go-redis/v9"
+)
+
+// RedisPrefix 是所有 Redis key 的全局命名空间前缀，避免多服务共享 Redis 实例时发生 key 冲突。
+const RedisPrefix = "ztclosetadmin:"
+
+// NewRedisEngine 根据配置创建 Redis 客户端并验证连接。
+func NewRedisEngine(s *setting.RedisSettingS) (*redis.Client, error) {
+	client := redis.NewClient(&redis.Options{
+		Addr:            fmt.Sprintf("%s:%d", s.Host, s.Port),
+		Password:        s.Password,
+		DB:              s.DB,
+		PoolSize:        s.PoolSize,
+		MinIdleConns:    s.MinIdleConns,
+		MaxIdleConns:    s.MaxIdleConns,
+		MinRetryBackoff: time.Duration(s.MinRetryBackoff) * time.Millisecond,
+		MaxRetryBackoff: time.Duration(s.MaxRetryBackoff) * time.Millisecond,
+		MaxRetries:      s.MaxRetries,
+		// 连接/读写/池超时配置单位为秒（与 config.yaml 注释一致）。
+		DialTimeout:  time.Duration(s.DialTimeout) * time.Second,
+		ReadTimeout:  time.Duration(s.ReadTimeout) * time.Second,
+		WriteTimeout: time.Duration(s.WriteTimeout) * time.Second,
+		PoolTimeout:  time.Duration(s.PoolTimeout) * time.Second,
+	})
+
+	if err := client.Ping(context.Background()).Err(); err != nil {
+		return nil, fmt.Errorf("redis ping failed: %w", err)
+	}
+
+	slog.Info("redis connected", "addr", fmt.Sprintf("%s:%d", s.Host, s.Port))
+	return client, nil
+}