first commit

internal/redisdao/horoscope.go

@@ -0,0 +1,37 @@
+package redisdao
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/global"
+	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/internal/redismodel"
+	"github.com/redis/go-redis/v9"
+)
+
+// HoroscopeSet 缓存星座运势内容（zodiac + 日期维度，data 由上层负责序列化）
+func HoroscopeSet(ctx context.Context, zodiac string, statDate int64, data []byte, ttl time.Duration) error {
+	ctx, span := global.Tracer.Start(ctx, "redisdao.HoroscopeSet")
+	defer span.End()
+
+	key := fmt.Sprintf(redismodel.KeyHoroscope, zodiac, statDate)
+	if err := global.RedisEngine.Set(ctx, key, data, ttl).Err(); err != nil {
+		span.RecordError(err)
+		return err
+	}
+	return nil
+}
+
+// HoroscopeGet 读取星座运势缓存，未命中返回 redis.Nil
+func HoroscopeGet(ctx context.Context, zodiac string, statDate int64) ([]byte, error) {
+	ctx, span := global.Tracer.Start(ctx, "redisdao.HoroscopeGet")
+	defer span.End()
+
+	key := fmt.Sprintf(redismodel.KeyHoroscope, zodiac, statDate)
+	data, err := global.RedisEngine.Get(ctx, key).Bytes()
+	if err != nil && err != redis.Nil {
+		span.RecordError(err)
+	}
+	return data, err
+}