63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
package generatedtext
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"strings"
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)
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type Tomorrow struct {
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Summary string `json:"summary"`
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ForecastDiscussion []string `json:"forecast_discussion"`
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PrecipitationTiming string `json:"precipitation_timing,omitempty"`
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Confidence string `json:"confidence,omitempty"`
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}
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func ValidateTomorrow(data []byte) (Tomorrow, []byte, error) {
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decoder := json.NewDecoder(bytes.NewReader(data))
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decoder.DisallowUnknownFields()
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var value Tomorrow
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if err := decoder.Decode(&value); err != nil {
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return Tomorrow{}, nil, fmt.Errorf("decode tomorrow generated text: %w", err)
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}
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var extra any
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if err := decoder.Decode(&extra); err != nil {
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if err != io.EOF {
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return Tomorrow{}, nil, fmt.Errorf("decode tomorrow generated text: %w", err)
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}
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} else {
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return Tomorrow{}, nil, fmt.Errorf("decode tomorrow generated text: multiple JSON values")
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}
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value.Summary = strings.TrimSpace(value.Summary)
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value.PrecipitationTiming = strings.TrimSpace(value.PrecipitationTiming)
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value.Confidence = strings.TrimSpace(value.Confidence)
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value.ForecastDiscussion = trimNonEmpty(value.ForecastDiscussion)
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if value.Summary == "" {
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return Tomorrow{}, nil, fmt.Errorf("tomorrow generated text summary is required")
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}
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if len(value.ForecastDiscussion) == 0 {
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return Tomorrow{}, nil, fmt.Errorf("tomorrow generated text forecast discussion is required")
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}
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normalized, err := json.Marshal(value)
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if err != nil {
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return Tomorrow{}, nil, fmt.Errorf("normalize tomorrow generated text: %w", err)
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}
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return value, normalized, nil
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}
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func trimNonEmpty(values []string) []string {
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out := make([]string, 0, len(values))
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for _, value := range values {
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trimmed := strings.TrimSpace(value)
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if trimmed != "" {
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out = append(out, trimmed)
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}
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}
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return out
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}
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