exchangeCode static method

Future<Either<GoogleAuthFailure, GoogleTokens>> exchangeCode(GoogleTokenExchangerInputModel googleTokenExchangerInputModel)

exchange authorization code for access token

Implementation

static Future<Either<GoogleAuthFailure, GoogleTokens>> exchangeCode(
  GoogleTokenExchangerInputModel googleTokenExchangerInputModel,
) async {
  final response = await post(
    Uri.parse(googleTokenExchangerInputModel.apiUrl),
    headers: {
       "Content-Type": "application/x-www-form-urlencoded",
    },
    body: {
      "code": googleTokenExchangerInputModel.code,
      "client_id": googleTokenExchangerInputModel.clientId,
      "client_secret": googleTokenExchangerInputModel.clientSecret,
      "redirect_uri": googleTokenExchangerInputModel.redirectUri,
      "code_verifier": googleTokenExchangerInputModel.codeVerifier,
      "grant_type": googleTokenExchangerInputModel.grantType,
    },
  );
  if (response.statusCode != 200) {
    return left(GoogleAuthFailure(message: ""));
  }

  final data = jsonDecode(response.body) as Map<String, dynamic>;
  return right(
    GoogleTokens(
      idToken: data["id_token"],
      accessToken: data["access_token"],
    ),
  );
}