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refactor kline attachment
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parent
0153670f78
commit
884a9730f1
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@ -2,7 +2,9 @@ package bbgo
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import (
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"fmt"
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"github.com/slack-go/slack"
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"math"
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"strconv"
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)
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type KLineEvent struct {
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@ -124,6 +126,49 @@ func (k KLine) String() string {
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return fmt.Sprintf("%s %s Open: % 14s Close: % 14s High: % 14s Low: % 14s Volume: % 15s Change: % 11f Max Change: % 11f", k.Symbol, k.Interval, k.Open, k.Close, k.High, k.Low, k.Volume, k.GetChange(), k.GetMaxChange())
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}
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func (k KLine) SlackAttachment() slack.Attachment {
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return slack.Attachment{
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Text: "KLine",
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Fields: []slack.AttachmentField{
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{
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Title: "Open",
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Value: k.Open,
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Short: true,
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},
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{
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Title: "Close",
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Value: k.Close,
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Short: true,
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},
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{
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Title: "High",
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Value: k.High,
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Short: true,
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},
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{
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Title: "Low",
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Value: k.Low,
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Short: true,
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},
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{
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Title: "Change",
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Value: formatVolume(k.GetChange()),
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Short: true,
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},
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{
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Title: "Max Change",
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Value: formatVolume(k.GetMaxChange()),
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Short: true,
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},
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},
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Footer: "",
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FooterIcon: "",
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}
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}
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type KLineWindow []KLine
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func (k KLineWindow) Len() int {
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@ -245,3 +290,9 @@ func (k *KLineWindow) Truncate(size int) {
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}
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*k = (*k)[end-5 : end]
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}
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func formatVolume(val float64) string {
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return strconv.FormatFloat(val, 'f', 6, 64)
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}
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