// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.server.query;

import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.query.change.SingleGroupUser;

public abstract class IsVisibleToPredicate<T> extends OperatorPredicate<T> implements Matchable<T> {
  public IsVisibleToPredicate(String name, String value) {
    super(name, value);
  }

  protected static String describe(CurrentUser user) {
    if (user.isIdentifiedUser()) {
      return user.getAccountId().toString();
    }
    if (user instanceof SingleGroupUser) {
      return "group:" + user.getEffectiveGroups().getKnownGroups().iterator().next().toString();
    }
    return user.toString();
  }
}