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* add UniqueVisitor * add test * update readme
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| package redis | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "log" | ||
| "math" | ||
| "testing" | ||
|
|
||
| "github.com/cloudwego/hertz/pkg/common/test/assert" | ||
| ) | ||
|
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| func TestHyperLogLog(t *testing.T) { | ||
| Init() | ||
| values := make([]interface{}, 1000) | ||
| ctx := context.Background() | ||
| var total int64 = 1000000 | ||
| // 批量保存 100w 条用户记录，每批 1000 条 | ||
| var i int64 | ||
| for i = 0; i < total; i++ { | ||
| // 获取当前批次的索引 | ||
| j := i % 1000 | ||
| // 生成用户记录 | ||
| values[j] = "user_" + fmt.Sprint(i) | ||
| // 每 1000 条记录发送一次到 Redis | ||
| if j == 999 { | ||
| err := RedisClient.PFAdd(ctx, "hl2", values...).Err() | ||
| if err != nil { | ||
| log.Fatalf("Failed to add values to HyperLogLog: %v", err) | ||
| } | ||
| } | ||
| } | ||
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| // 统计 HyperLogLog 中的用户数量 | ||
| count, err := RedisClient.PFCount(ctx, "hl2").Result() | ||
| if err != nil { | ||
| log.Fatalf("Failed to get HyperLogLog count: %v", err) | ||
| } | ||
| log.Printf("HyperLogLog count: %d", count) | ||
| diff := math.Abs(float64(total - count)) | ||
| assert.True(t, count > 0) | ||
| assert.True(t, diff < float64(total)/100) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package interceptor | ||
|
|
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
| "xzdp/biz/dal/redis" | ||
| "xzdp/biz/pkg/constants" | ||
| "xzdp/biz/utils" | ||
|
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| "github.com/cloudwego/hertz/pkg/app" | ||
| "github.com/cloudwego/hertz/pkg/common/hlog" | ||
| ) | ||
|
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| func UniqueVisitor(ctx context.Context, c *app.RequestContext) { | ||
| hlog.CtxInfof(ctx, "Unique Visitor") | ||
| userDTO := utils.GetUser(ctx) | ||
| if userDTO == nil { | ||
| c.Next(ctx) | ||
| return | ||
| } | ||
| hlog.CtxInfof(ctx, "Unique Visitor userDTO: %v", userDTO) | ||
| now := time.Now() | ||
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| // 格式化为 YYYY-MM-DD 格式 | ||
| today := now.Format("2006-01-02") | ||
| hhlVal := fmt.Sprint(userDTO.ID) + today | ||
| err := redis.RedisClient.PFAdd(ctx, constants.HLL_UV_KEY, hhlVal) | ||
| if err != nil { | ||
| hlog.CtxErrorf(ctx, "PFAdd error: %v", err) | ||
| } | ||
| c.Next(ctx) | ||
| } |
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