// Copyright (C) 2011 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.account;
import com.google.gerrit.common.data.GroupDetail;
import com.google.gerrit.common.errors.NoSuchGroupException;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.reviewdb.client.AccountGroupInclude;
import com.google.gerrit.reviewdb.client.AccountGroupMember;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.project.NoSuchProjectException;
import com.google.gerrit.server.project.ProjectControl;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
public class GroupMembers {
public interface Factory {
GroupMembers create();
}
private final GroupCache groupCache;
private final GroupDetailFactory.Factory groupDetailFactory;
private final AccountCache accountCache;
private final ProjectControl.GenericFactory projectControl;
private final IdentifiedUser currentUser;
@Inject
GroupMembers(final GroupCache groupCache,
final GroupDetailFactory.Factory groupDetailFactory,
final AccountCache accountCache,
final ProjectControl.GenericFactory projectControl,
final IdentifiedUser currentUser) {
this.groupCache = groupCache;
this.groupDetailFactory = groupDetailFactory;
this.accountCache = accountCache;
this.projectControl = projectControl;
this.currentUser = currentUser;
}
public Set<Account> listAccounts(final AccountGroup.UUID groupUUID,
final Project.NameKey project) throws NoSuchGroupException,
NoSuchProjectException, OrmException {
return listAccounts(groupUUID, project, new HashSet<AccountGroup.UUID>());
}
private Set<Account> listAccounts(final AccountGroup.UUID groupUUID,
final Project.NameKey project, final Set<AccountGroup.UUID> seen)
throws NoSuchGroupException, OrmException, NoSuchProjectException {
if (AccountGroup.PROJECT_OWNERS.equals(groupUUID)) {
return getProjectOwners(project, seen);
} else {
AccountGroup group = groupCache.get(groupUUID);
if (group != null) {
return getGroupMembers(group, project, seen);
} else {
return Collections.emptySet();
}
}
}
private Set<Account> getProjectOwners(final Project.NameKey project,
final Set<AccountGroup.UUID> seen) throws NoSuchProjectException,
NoSuchGroupException, OrmException {
seen.add(AccountGroup.PROJECT_OWNERS);
if (project == null) {
return Collections.emptySet();
}
final Set<AccountGroup.UUID> ownerGroups =
projectControl.controlFor(project, currentUser).getProjectState()
.getOwners();
final HashSet<Account> projectOwners = new HashSet<Account>();
for (final AccountGroup.UUID ownerGroup : ownerGroups) {
if (!seen.contains(ownerGroup)) {
projectOwners.addAll(listAccounts(ownerGroup, project, seen));
}
}
return projectOwners;
}
private Set<Account> getGroupMembers(final AccountGroup group,
final Project.NameKey project, final Set<AccountGroup.UUID> seen)
throws NoSuchGroupException, OrmException, NoSuchProjectException {
seen.add(group.getGroupUUID());
final GroupDetail groupDetail =
groupDetailFactory.create(group.getId()).call();
final Set<Account> members = new HashSet<Account>();
if (groupDetail.members != null) {
for (final AccountGroupMember member : groupDetail.members) {
members.add(accountCache.get(member.getAccountId()).getAccount());
}
}
if (groupDetail.includes != null) {
for (final AccountGroupInclude groupInclude : groupDetail.includes) {
final AccountGroup includedGroup =
groupCache.get(groupInclude.getIncludeId());
if (!seen.contains(includedGroup.getGroupUUID())) {
members.addAll(listAccounts(includedGroup.getGroupUUID(), project, seen));
}
}
}
return members;
}
}