Add report registry and valid periods

internal/app/app.go

@@ -9,6 +9,8 @@ import (
 	"gitea.maximumdirect.net/eric/weatherreporter/internal/adapters/weatherapi"
 	"gitea.maximumdirect.net/eric/weatherreporter/internal/config"
 	"gitea.maximumdirect.net/eric/weatherreporter/internal/forecast"
+	"gitea.maximumdirect.net/eric/weatherreporter/internal/report"
+	"gitea.maximumdirect.net/eric/weatherreporter/internal/timeutil"
 )
 
 type ReportKind string
@@ -49,16 +51,81 @@ type FetchBundleRequest struct {
 
 func Generate(ctx context.Context, req GenerateRequest) error {
 	_ = ctx
-	_ = req
+	if _, err := ResolveGenerate(req, time.Now()); err != nil {
+		return err
+	}
 	return fmt.Errorf("generate is not implemented")
 }
 
 func RunBatch(ctx context.Context, req BatchRequest) error {
 	_ = ctx
-	_ = req
+	if _, err := ResolveBatch(req, time.Now()); err != nil {
+		return err
+	}
 	return fmt.Errorf("run is not implemented")
 }
 
+func ResolveGenerate(req GenerateRequest, now time.Time) (report.Resolved, error) {
+	location, err := timeutil.LoadLocation(req.Config.WeatherAPI.Timezone)
+	if err != nil {
+		return report.Resolved{}, err
+	}
+	id, err := reportIDForCommand(req.Report)
+	if err != nil {
+		return report.Resolved{}, err
+	}
+	return report.DefaultRegistry().Resolve(id, report.ResolveRequest{
+		Now:        now,
+		Location:   location,
+		Date:       req.Date,
+		StormStart: req.StormStart,
+		StormEnd:   req.StormEnd,
+	})
+}
+
+func ResolveBatch(req BatchRequest, now time.Time) ([]report.Resolved, error) {
+	location, err := timeutil.LoadLocation(req.Config.WeatherAPI.Timezone)
+	if err != nil {
+		return nil, err
+	}
+	batch, err := reportBatchForCommand(req.Batch)
+	if err != nil {
+		return nil, err
+	}
+	return report.DefaultRegistry().BatchReports(batch, report.ResolveRequest{
+		Now:      now,
+		Location: location,
+	})
+}
+
+func reportIDForCommand(kind ReportKind) (report.ID, error) {
+	switch kind {
+	case ReportDaily:
+		return report.DailyToday, nil
+	case ReportTomorrow:
+		return report.DailyTomorrow, nil
+	case ReportThreeDay:
+		return report.ThreeDay, nil
+	case ReportWeekend:
+		return report.Weekend, nil
+	case ReportStorm:
+		return report.Storm, nil
+	default:
+		return "", fmt.Errorf("unknown report command %q", kind)
+	}
+}
+
+func reportBatchForCommand(kind BatchKind) (report.Batch, error) {
+	switch kind {
+	case BatchMorning:
+		return report.Morning, nil
+	case BatchEvening:
+		return report.Evening, nil
+	default:
+		return "", fmt.Errorf("unknown batch command %q", kind)
+	}
+}
+
 func FetchBundle(ctx context.Context, req FetchBundleRequest) (*forecast.Bundle, error) {
 	client, err := weatherapi.New(req.Config)
 	if err != nil {