Share day-style generated text validation

internal/generatedtext/tomorrow.go

@@ -1,10 +1,5 @@
 package generatedtext
 
-import (
-	"fmt"
-	"strings"
-)
-
 type Tomorrow struct {
 	Summary             string   `json:"summary"`
 	ForecastDiscussion  []string `json:"forecast_discussion"`
@@ -13,36 +8,21 @@ type Tomorrow struct {
 }
 
 func ValidateTomorrow(data []byte) (Tomorrow, []byte, error) {
-	value, err := decodeGeneratedText[Tomorrow](data, "tomorrow")
-	if err != nil {
-		return Tomorrow{}, 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 Tomorrow{}, nil, fmt.Errorf("tomorrow generated text summary is required")
-	}
-	if len(value.ForecastDiscussion) == 0 {
-		return Tomorrow{}, nil, fmt.Errorf("tomorrow generated text forecast discussion is required")
-	}
-
-	normalized, err := normalizeGeneratedText(value, "tomorrow")
-	if err != nil {
-		return Tomorrow{}, nil, err
-	}
-	return value, normalized, nil
+	return validateDayStyleGeneratedText[Tomorrow, *Tomorrow](data, "tomorrow")
 }
 
-func trimNonEmpty(values []string) []string {
-	out := make([]string, 0, len(values))
-	for _, value := range values {
-		trimmed := strings.TrimSpace(value)
-		if trimmed != "" {
-			out = append(out, trimmed)
-		}
+func (t *Tomorrow) dayStyleFields() dayStyleFields {
+	return dayStyleFields{
+		Summary:             t.Summary,
+		ForecastDiscussion:  t.ForecastDiscussion,
+		PrecipitationTiming: t.PrecipitationTiming,
+		Confidence:          t.Confidence,
 	}
-	return out
+}
+
+func (t *Tomorrow) setDayStyleFields(fields dayStyleFields) {
+	t.Summary = fields.Summary
+	t.ForecastDiscussion = fields.ForecastDiscussion
+	t.PrecipitationTiming = fields.PrecipitationTiming
+	t.Confidence = fields.Confidence
 }