oauth method

Future<OAuth> oauth(
  1. String? username,
  2. String? password
)

Implementation

Future<OAuth> oauth(String? username, String? password) async {
  //
  var oauthUrl = BytedeskUtils.getHostUri('/oauth/token');
  Map<String, String> headers = {
    "Authorization": "Basic Y2xpZW50OnNlY3JldA=="
  };
  Map<String, String> bodyMap = {
    "username": "$username",
    "password": "$password",
    "grant_type": "password",
    "scope": "all"
  };
  final oauthResponse =
      await httpClient.post(oauthUrl, headers: headers, body: bodyMap);
  // debugPrint('oauth result: $oauthResponse');
  int statusCode = oauthResponse.statusCode;
  // 200: 授权成功，否则授权失败
  final oauthJson = jsonDecode(oauthResponse.body);
  debugPrint('statusCode:$statusCode, oauth:$oauthJson');
  if (statusCode == 200) {
    SpUtil.putBool(BytedeskConstants.isLogin, true);
    SpUtil.putString(
        BytedeskConstants.accessToken, oauthJson['access_token']);
  } else if (statusCode == 400) {
    // token过期 {error: invalid_grant, error_description: Bad credentials}
    bytedeskEventBus.fire(InvalidTokenEventBus());
  }
  //
  return OAuth.fromJson(statusCode, oauthJson);
}