<?php

final class PhabricatorFileUploadException extends Exception {

  public function __construct($code) {
    $map = array(
      UPLOAD_ERR_INI_SIZE =>
        "Uploaded file is too large: file is larger than the ".
        "'upload_max_filesize' setting in php.ini.",
      UPLOAD_ERR_FORM_SIZE =>
        "File is too large.",
      UPLOAD_ERR_PARTIAL =>
        "File was only partially transferred, upload did not complete.",
      UPLOAD_ERR_NO_FILE =>
        "No file was uploaded.",
      UPLOAD_ERR_NO_TMP_DIR =>
        "Unable to write file: temporary directory does not exist.",
      UPLOAD_ERR_CANT_WRITE =>
        "Unable to write file: failed to write to temporary directory.",
      UPLOAD_ERR_EXTENSION =>
        "Unable to upload: a PHP extension stopped the upload.",

      -1000 =>
        "Uploaded file exceeds limit in Phabricator ".
        "'storage.upload-size-limit' configuration.",
    );

    $message = idx($map, $code, "Upload failed: unknown error.");
    parent::__construct($message, $code);
  }
}