Function determineFailureType

src/renderer/utils/api/errors.ts:18–73

(
  err: Error | RequestError | GraphqlResponseError<unknown>,
)

 * @returns The Gitify error type
 */
export function determineFailureType(
  err: Error | RequestError | GraphqlResponseError<unknown>,
): GitifyError {
  const message = err.message || '';

  // Check for safe storage decryption failures first (happens before API call)
  if (message.includes(EVENTS.SAFE_STORAGE_DECRYPT)) {
    return Errors.BAD_CREDENTIALS;
  }

  // Handle Octokit REST RequestError
  if (err instanceof RequestError) {
    const status = err.status;

    switch (status) {
      case 401:
        return Errors.BAD_CREDENTIALS;
      case 403:
        if (message.includes("Missing the 'notifications' scope")) {
          return Errors.MISSING_SCOPES;
        }

        if (
          message.includes('API rate limit exceeded') ||
          message.includes('You have exceeded a secondary rate limit')
        ) {
          return Errors.RATE_LIMITED;
        }

        break;
      case 500:
        return Errors.NETWORK;
      default:
        break;
    }
  }

  // Handle Octokit GraphQL GraphqlResponseError
  if (err instanceof GraphqlResponseError) {
    const errorMessages =
      err.errors?.map((e) => e.message).join('; ') || message;

    if (errorMessages.includes('Bad credentials')) {
      return Errors.BAD_CREDENTIALS;
    }

    if (
      errorMessages.includes('API rate limit exceeded') ||
      errorMessages.includes('You have exceeded a secondary rate limit')
    ) {
      return Errors.RATE_LIMITED;
    }
  }

  return Errors.UNKNOWN;
}

/**