| // Copyright (C) 2010 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.change; |
| |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.project.ChangeControl; |
| import com.google.gerrit.server.project.NoSuchChangeException; |
| import com.google.gerrit.server.query.OperatorPredicate; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Provider; |
| |
| class IsVisibleToPredicate extends OperatorPredicate<ChangeData> { |
| private static String describe(CurrentUser user) { |
| if (user.isIdentifiedUser()) { |
| return ((IdentifiedUser) user).getAccountId().toString(); |
| } |
| if (user instanceof SingleGroupUser) { |
| return "group:" + user.getEffectiveGroups().getKnownGroups() // |
| .iterator().next().toString(); |
| } |
| return user.toString(); |
| } |
| |
| private final Provider<ReviewDb> db; |
| private final ChangeControl.GenericFactory changeControl; |
| private final CurrentUser user; |
| |
| IsVisibleToPredicate(Provider<ReviewDb> db, |
| ChangeControl.GenericFactory changeControlFactory, CurrentUser user) { |
| super(ChangeQueryBuilder.FIELD_VISIBLETO, describe(user)); |
| this.db = db; |
| this.changeControl = changeControlFactory; |
| this.user = user; |
| } |
| |
| @Override |
| public boolean match(final ChangeData cd) throws OrmException { |
| if (cd.fastIsVisibleTo(user)) { |
| return true; |
| } |
| try { |
| Change c = cd.change(); |
| if (c == null) { |
| return false; |
| } |
| |
| ChangeControl cc = changeControl.controlFor(c, user); |
| if (cc.isVisible(db.get())) { |
| cd.cacheVisibleTo(cc); |
| return true; |
| } |
| } catch (NoSuchChangeException e) { |
| } |
| return false; |
| } |
| |
| @Override |
| public int getCost() { |
| return 1; |
| } |
| } |