handle context cancelation

cmd/broker2anexoj-cli/main.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+	"os/signal"
+
+	"git.naterciomoniz.net/applications/broker2anexoj/internal"
+	"git.naterciomoniz.net/applications/broker2anexoj/internal/trading212"
+	"golang.org/x/sync/errgroup"
+)
+
+func main() {
+	err := run(context.Background())
+	if err != nil {
+		slog.Error("found a fatal issue", slog.Any("err", err))
+		os.Exit(1)
+	}
+}
+
+func run(ctx context.Context) error {
+	ctx, cancel := signal.NotifyContext(ctx, os.Kill, os.Interrupt)
+	defer cancel()
+
+	eg, ctx := errgroup.WithContext(ctx)
+
+	f, err := os.Open("test.csv")
+	if err != nil {
+		return fmt.Errorf("open statement: %w", err)
+	}
+
+	reader := trading212.NewRecordReader(f)
+
+	writer := internal.NewStdOutLogger()
+
+	eg.Go(func() error {
+		return internal.BuildReport(ctx, reader, writer)
+	})
+
+	err = eg.Wait()
+	if err != nil {
+		return err
+	}
+
+	slog.Info("Finish processing statement")
+
+	return nil
+}