Add Today generated text assets

internal/generatedtext/today.go

@@ -0,0 +1,37 @@
+package generatedtext
+
+import (
+	"fmt"
+	"strings"
+)
+
+type Today struct {
+	Summary             string   `json:"summary"`
+	ForecastDiscussion  []string `json:"forecast_discussion"`
+	PrecipitationTiming string   `json:"precipitation_timing,omitempty"`
+	Confidence          string   `json:"confidence,omitempty"`
+}
+
+func ValidateToday(data []byte) (Today, []byte, error) {
+	value, err := decodeGeneratedText[Today](data, "today")
+	if err != nil {
+		return Today{}, nil, err
+	}
+
+	value.Summary = strings.TrimSpace(value.Summary)
+	value.PrecipitationTiming = strings.TrimSpace(value.PrecipitationTiming)
+	value.Confidence = strings.TrimSpace(value.Confidence)
+	value.ForecastDiscussion = trimNonEmpty(value.ForecastDiscussion)
+	if value.Summary == "" {
+		return Today{}, nil, fmt.Errorf("today generated text summary is required")
+	}
+	if len(value.ForecastDiscussion) == 0 {
+		return Today{}, nil, fmt.Errorf("today generated text forecast discussion is required")
+	}
+
+	normalized, err := normalizeGeneratedText(value, "today")
+	if err != nil {
+		return Today{}, nil, err
+	}
+	return value, normalized, nil
+}