saveButtonHandler method

Implementation

Future<void> saveButtonHandler(BuildContext context, WidgetRef ref) async {
  if (Form.of(context).validate() != true) {
    // Show a snackbar if the form is not valid.
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(content: Text(t.generics.fillAllFields)),
    );
    return;
  }

  Form.of(context).save();
  FocusScope.of(context).unfocus();

  // Ask the user if they want to continue without a banner.
  confirmBanner(ref, context).then((shouldContinue) async {
    if (!shouldContinue) return;
    ref.read(isInAsyncProvider.notifier).setTrue();
    // Upload the banner if needed.
    await ref.read(createActivityProvider.notifier).uploadBannerIfNeeded();
    // Save the activity to the database.
    ref.read(createActivityProvider.notifier).saveActivity().then((result) {
      ref.read(isInAsyncProvider.notifier).setFalse();
      if (result == CreateActivityResult.error) {
        // Show a snackbar if there was an error.
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(t.error.unknown),
          ),
        );
      } else {
        // Leave the page if the activity was saved successfully.
        context.pop();
      }
    });
  });
}