48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
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package backtest
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import "encoding/json"
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type ManifestEntry struct {
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Type string `json:"type"`
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Filename string `json:"filename"`
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StrategyID string `json:"strategyID"`
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StrategyInstance string `json:"strategyInstance"`
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StrategyProperty string `json:"strategyProperty"`
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}
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type Manifests map[InstancePropertyIndex]string
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func (m *Manifests) UnmarshalJSON(j []byte) error {
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var entries []ManifestEntry
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if err := json.Unmarshal(j, &entries); err != nil {
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return err
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}
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mm := make(Manifests)
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for _, entry := range entries {
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index := InstancePropertyIndex{
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ID: entry.StrategyID,
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InstanceID: entry.StrategyInstance,
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Property: entry.StrategyProperty,
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}
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mm[index] = entry.Filename
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}
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*m = mm
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return nil
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}
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func (m Manifests) MarshalJSON() ([]byte, error) {
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var arr []ManifestEntry
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for k, v := range m {
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arr = append(arr, ManifestEntry{
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Type: "strategyProperty",
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Filename: v,
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StrategyID: k.ID,
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StrategyInstance: k.InstanceID,
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StrategyProperty: k.Property,
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})
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}
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return json.MarshalIndent(arr, "", " ")
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}
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