2024-12-15 17:40:14 +08:00
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package core
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import (
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"encoding/json"
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2025-02-12 03:56:15 +08:00
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"fmt"
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2024-12-15 17:40:14 +08:00
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"time"
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)
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type Plate struct {
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InstID string `json:"instId,string"`
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Scale float64 `json:"scale,number"`
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Count int `json:"count,number"`
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CoasterMap map[string]Coaster `json:"coasterMap"`
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}
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func (pl *Plate) Init(instId string) {
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pl.InstID = instId
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pl.Count = 24
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pl.Scale = float64(0.005)
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pl.CoasterMap = make(map[string]Coaster)
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}
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// TODO 从redis里读出来已经存储的plate,如果不存在就创建一个新的
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// LoadPlate 加载或创建指定Instrument的Plate
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// 1. 尝试从Redis加载已存储的Plate
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// 2. 如果Redis中不存在,则初始化一个新的Plate
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// 3. 根据配置创建所有需要的Coaster
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// 参数:
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// - cr: 核心上下文对象
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// - instId: Instrument ID
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//
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// 返回值:
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// - *Plate: 加载或新建的Plate对象
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// - error: 操作过程中发生的错误
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func LoadPlate(cr *Core, instId string) (*Plate, error) {
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// 初始化一个空的Plate对象
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pl := Plate{}
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// 构造Redis中存储Plate数据的key,格式为"instId|plate"
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plateName := instId + "|plate"
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// 尝试从Redis获取Plate数据
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str, err := cr.RedisLocalCli.Get(plateName).Result()
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// 如果Redis中存在数据且没有错误
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if err == nil && str != "" {
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// 将JSON字符串反序列化为Plate对象
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if err := json.Unmarshal([]byte(str), &pl); err != nil {
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// 反序列化失败时初始化一个新的Plate
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// logrus.Warnf("failed to unmarshal plate data from redis, init new plate: %v", err)
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pl.Init(instId)
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}
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// 返回从Redis加载的Plate对象
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return &pl, nil
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}
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// Redis不可用或数据不存在时,初始化一个新的Plate
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pl.Init(instId)
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// 从配置中获取candleDimentions配置项
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prs := cr.Cfg.Config.Get("candleDimentions")
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// 检查配置项是否存在
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if prs == nil || prs.Interface() == nil {
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return nil, fmt.Errorf("candleDimentions config not found")
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}
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// 将配置项转换为数组
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periods := prs.MustArray()
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// 遍历所有周期配置
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for _, v := range periods {
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// 将interface{}类型转换为string
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period, ok := v.(string)
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// 检查周期字符串是否有效
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if !ok || period == "" {
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continue // 跳过无效的周期配置
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}
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// 为每个周期创建Coaster
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if err := pl.MakeCoaster(cr, period); err != nil {
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// 如果创建失败,返回错误
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return nil, fmt.Errorf("failed to create coaster for period %s: %v", period, err)
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}
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}
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// 将新创建的Plate保存到Redis(可选操作)
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if err := savePlateToRedis(cr, plateName, &pl); err != nil {
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// 保存失败时记录警告日志
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// logrus.Warnf("failed to save plate to redis: %v", err)
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}
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// 返回创建好的Plate对象
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return &pl, nil
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}
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func savePlateToRedis(cr *Core, key string, pl *Plate) error {
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data, err := json.Marshal(pl)
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if err != nil {
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return err
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}
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return cr.RedisLocalCli.Set(key, data, 0).Err()
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}
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func (pl *Plate) SetToKey(cr *Core) error {
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js, _ := json.Marshal(*pl)
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plateName := pl.InstID + "|plate"
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_, err := cr.RedisLocalCli.Set(plateName, string(js), 0).Result()
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return err
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}
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2025-01-15 00:24:56 +08:00
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func (pl *Plate) MakeCoaster(cr *Core, period string) error {
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lastTime := time.Now()
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setName := "candle" + period + "|" + pl.InstID + "|sortedSet"
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cdl, err := cr.GetRangeCandleSortedSet(setName, pl.Count, lastTime)
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if err != nil {
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return err
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}
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err = cdl.RecursiveBubbleS(len(cdl.List), "asc")
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setName7 := "ma7|" + setName
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setName30 := "ma30|" + setName
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mxl7, err := cr.GetRangeMaXSortedSet(setName7, pl.Count, lastTime)
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if err != nil {
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return err
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}
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err = mxl7.RecursiveBubbleS(len(mxl7.List), "asc")
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if err != nil {
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return err
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}
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mxl30, err := cr.GetRangeMaXSortedSet(setName30, pl.Count, lastTime)
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if err != nil {
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return err
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}
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err = mxl30.RecursiveBubbleS(len(mxl30.List), "asc")
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coaster := Coaster{
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InstID: pl.InstID,
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Period: period,
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Count: pl.Count,
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Scale: pl.Scale,
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CandleList: *cdl,
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Ma7List: *mxl7,
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Ma30List: *mxl30,
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}
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pl.CoasterMap["period"+period] = coaster
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return err
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}
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