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// Copyright (C) 2013 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.group;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.gerrit.common.data.GroupDescription;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.DefaultInput;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.reviewdb.client.AccountGroupIncludeByUuid;
import com.google.gerrit.reviewdb.client.AccountGroupIncludeByUuidAudit;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.GroupControl;
import com.google.gerrit.server.account.GroupIncludeCache;
import com.google.gerrit.server.group.AddIncludedGroups.Input;
import com.google.gerrit.server.group.GroupJson.GroupInfo;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.util.List;
import java.util.Map;
public class AddIncludedGroups implements RestModifyView<GroupResource, Input> {
static class Input {
@DefaultInput
String _oneGroup;
List<String> groups;
static Input init(Input in) {
if (in == null) {
in = new Input();
}
if (in.groups == null) {
in.groups = Lists.newArrayListWithCapacity(1);
}
if (!Strings.isNullOrEmpty(in._oneGroup)) {
in.groups.add(in._oneGroup);
}
return in;
}
}
private final Provider<GroupsCollection> groupsCollection;
private final GroupIncludeCache groupIncludeCache;
private final ReviewDb db;
private final GroupJson json;
@Inject
public AddIncludedGroups(Provider<GroupsCollection> groupsCollection,
GroupIncludeCache groupIncludeCache,
ReviewDb db, GroupJson json) {
this.groupsCollection = groupsCollection;
this.groupIncludeCache = groupIncludeCache;
this.db = db;
this.json = json;
}
@Override
public List<GroupInfo> apply(GroupResource resource, Input input)
throws MethodNotAllowedException, AuthException, BadRequestException,
UnprocessableEntityException, OrmException {
AccountGroup group = resource.toAccountGroup();
if (group == null) {
throw new MethodNotAllowedException();
}
input = Input.init(input);
GroupControl control = resource.getControl();
Map<AccountGroup.UUID, AccountGroupIncludeByUuid> newIncludedGroups = Maps.newHashMap();
List<AccountGroupIncludeByUuidAudit> newIncludedGroupsAudits = Lists.newLinkedList();
List<GroupInfo> result = Lists.newLinkedList();
Account.Id me = ((IdentifiedUser) control.getCurrentUser()).getAccountId();
for (String includedGroup : input.groups) {
GroupDescription.Basic d = groupsCollection.get().parse(includedGroup);
if (!control.canAddGroup(d.getGroupUUID())) {
throw new AuthException(String.format("Cannot add group: %s",
d.getName()));
}
if (!newIncludedGroups.containsKey(d.getGroupUUID())) {
AccountGroupIncludeByUuid.Key agiKey =
new AccountGroupIncludeByUuid.Key(group.getId(),
d.getGroupUUID());
AccountGroupIncludeByUuid agi = db.accountGroupIncludesByUuid().get(agiKey);
if (agi == null) {
agi = new AccountGroupIncludeByUuid(agiKey);
newIncludedGroups.put(d.getGroupUUID(), agi);
newIncludedGroupsAudits.add(new AccountGroupIncludeByUuidAudit(agi, me));
}
}
result.add(json.format(d));
}
if (!newIncludedGroups.isEmpty()) {
db.accountGroupIncludesByUuidAudit().insert(newIncludedGroupsAudits);
db.accountGroupIncludesByUuid().insert(newIncludedGroups.values());
for (AccountGroupIncludeByUuid agi : newIncludedGroups.values()) {
groupIncludeCache.evictMemberIn(agi.getIncludeUUID());
}
groupIncludeCache.evictMembersOf(group.getGroupUUID());
}
return result;
}
static class PutIncludedGroup implements RestModifyView<GroupResource, PutIncludedGroup.Input> {
static class Input {
}
private final Provider<AddIncludedGroups> put;
private final String id;
PutIncludedGroup(Provider<AddIncludedGroups> put, String id) {
this.put = put;
this.id = id;
}
@Override
public GroupInfo apply(GroupResource resource, Input input)
throws MethodNotAllowedException, AuthException, BadRequestException,
UnprocessableEntityException, OrmException {
AddIncludedGroups.Input in = new AddIncludedGroups.Input();
in.groups = ImmutableList.of(id);
List<GroupInfo> list = put.get().apply(resource, in);
if (list.size() == 1) {
return list.get(0);
}
throw new IllegalStateException();
}
}
static class UpdateIncludedGroup implements RestModifyView<IncludedGroupResource, PutIncludedGroup.Input> {
static class Input {
}
private final Provider<GetIncludedGroup> get;
@Inject
UpdateIncludedGroup(Provider<GetIncludedGroup> get) {
this.get = get;
}
@Override
public Object apply(IncludedGroupResource resource,
PutIncludedGroup.Input input) throws MethodNotAllowedException, OrmException {
// Do nothing, the group is already included.
return get.get().apply(resource);
}
}
}
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