fetchRelease method

Implementation

@override
Future<Release> fetchRelease(BuildChannel channel) async {
  var response = await networkService
      .get("$kLBPlannerWebsiteAdress/api/get_app_versions.php");

  if (response.isNotOk) {
    throw Exception("Failed to fetch release: ${response.statusCode}");
  }

  var json = response.body as JSON;

  var channelRelease = json[channel.name] as JSON?;

  if (channelRelease == null) {
    throw Exception("Failed to fetch release: No release for channel");
  }

  /// Add the channel name to the release JSON for parsing.
  channelRelease["channel"] = channel.name;

  return Release.fromJson(channelRelease);
}