Validate generated text catalog before collection

internal/app/prepared_report.go

@@ -31,6 +31,7 @@ type prepareReportRequest struct {
 	Config     config.Config
 	Resolved   report.Resolved
 	Collection collect.Result
+	handler    generatedtext.Handler
 }
 
 type preparationError struct {
@@ -69,11 +70,6 @@ func prepareReport(req prepareReportRequest) (preparedReport, error) {
 	if err != nil {
 		return preparedReport{}, &preparationError{operation: "marshal data package", err: err}
 	}
-	handler, err := generatedtext.LookupDefinition(req.Resolved.Definition)
-	if err != nil {
-		return preparedReport{}, &preparationError{operation: "lookup generated text catalog", err: err}
-	}
-
 	clonedDerived, err := clonePreparedValue(reportFacts.Derived)
 	if err != nil {
 		return preparedReport{}, &preparationError{operation: "copy prepared derived facts", err: err}
@@ -93,7 +89,7 @@ func prepareReport(req prepareReportRequest) (preparedReport, error) {
 		identity:       clonedIdentity,
 		sourceWarnings: append([]weatherdata.SourceWarning(nil), clonedIdentity.SourceWarnings...),
 		dataPackage:    append([]byte(nil), serializedDataPackage...),
-		handler:        handler,
+		handler:        req.handler,
 	}
 	return prepared, nil
 }