ryan
ae25409e56
Motivation: 统一 crypto-strategy 与 trade-signal 两类交易信号的模板字段，使同一套通知模板可复用；字段缺失或为空时不再导致渲染报错或输出空行，通知内容更整洁。 Changes: * 渲染器缺失字段改为按空值处理，新增 line 函数实现空值整行省略 * crypto-strategy 信号补充止盈价、止损价、平均价、收益额等模板字段 * trade-signal 信号保留原始报文中的额外字段以适配统一模板 * 修复结构化日志将 error 作为值直接输出导致的格式问题
82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package tradesignal
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import (
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"encoding/json"
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"errors"
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"fmt"
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"strings"
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"aiaa-notification-service/internal/config"
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)
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var ErrInvalidSignal = errors.New("invalid signal")
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type Converter struct {
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overrides map[string]config.StrategyOverride
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positions *Tracker
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}
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func NewConverter(overrides map[string]config.StrategyOverride) *Converter {
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return &Converter{
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overrides: overrides,
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positions: NewTracker(),
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}
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}
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func (c *Converter) Convert(body []byte) (string, map[string]interface{}, error) {
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var sig Signal
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if err := json.Unmarshal(body, &sig); err != nil {
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return "", nil, fmt.Errorf("%w: %v", ErrInvalidSignal, err)
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}
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if strings.TrimSpace(sig.Action) == "" {
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return "", nil, fmt.Errorf("%w: missing action", ErrInvalidSignal)
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}
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out := Apply(&sig, c.overrideFor(sig.StrategyCode))
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snap := c.positions.Apply(out)
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var opts FormatOptions
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if snap.HasAvg {
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avg := snap.AvgPrice
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opts.AvgPrice = &avg
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}
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text := Format(out, opts)
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data, err := toData(body, out)
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if err != nil {
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return "", nil, err
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}
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data["formatted"] = text
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if snap.HasAvg {
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data["avgPrice"] = snap.AvgPrice
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}
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return "trade." + strings.ToLower(out.Action), data, nil
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}
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func (c *Converter) overrideFor(code string) *config.StrategyOverride {
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if c == nil || len(c.overrides) == 0 || code == "" {
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return nil
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}
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override, ok := c.overrides[code]
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if !ok {
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return nil
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}
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return &override
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}
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func toData(body []byte, sig *Signal) (map[string]interface{}, error) {
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data := make(map[string]interface{})
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if err := json.Unmarshal(body, &data); err != nil {
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return nil, err
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}
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raw, err := json.Marshal(sig)
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if err != nil {
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return nil, err
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}
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overlay := make(map[string]interface{})
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if err := json.Unmarshal(raw, &overlay); err != nil {
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return nil, err
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}
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for k, v := range overlay {
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data[k] = v
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}
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return data, nil
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}
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