setBanner method

Future<void> setBanner(
  1. String filename
)

Update the banner of this

This method requires the feature GuildFeature.banner of this

Example :

await guild.setBanner('assets/images/my_banner.png');

Implementation

Future<void> setBanner (String filename) async {
  if (!features.contains(GuildFeature.banner)) {
    throw MissingFeatureException(cause: "The $name guild does not have the ${GuildFeature.banner} feature.");
  }

  String file = await Helper.getPicture(filename);

  Http http = ioc.singleton(Service.http);
  Response response = await http.patch(url: "/guilds/$id", payload: { 'banner': file });

  if (response.statusCode == 200) {
    _banner = ImageFormater(file, '');
  }
}