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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.collect.Lists;
import com.google.common.collect.Maps;
import com.google.gerrit.audit.AuditService;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.Response;
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.AccountGroupMember;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountCache;
import com.google.gerrit.server.account.AccountsCollection;
import com.google.gerrit.server.account.GroupControl;
import com.google.gerrit.server.group.AddMembers.Input;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.util.List;
import java.util.Map;
@Singleton
public class DeleteMembers implements RestModifyView<GroupResource, Input> {
private final AccountsCollection accounts;
private final AccountCache accountCache;
private final Provider<ReviewDb> db;
private final Provider<CurrentUser> self;
private final AuditService auditService;
@Inject
DeleteMembers(AccountsCollection accounts,
AccountCache accountCache, Provider<ReviewDb> db,
Provider<CurrentUser> self,
AuditService auditService) {
this.accounts = accounts;
this.accountCache = accountCache;
this.db = db;
this.self = self;
this.auditService = auditService;
}
@Override
public Response<?> apply(GroupResource resource, Input input)
throws AuthException, MethodNotAllowedException,
UnprocessableEntityException, OrmException {
AccountGroup internalGroup = resource.toAccountGroup();
if (internalGroup == null) {
throw new MethodNotAllowedException();
}
input = Input.init(input);
final GroupControl control = resource.getControl();
final Map<Account.Id, AccountGroupMember> members = getMembers(internalGroup.getId());
final List<AccountGroupMember> toRemove = Lists.newLinkedList();
for (final String nameOrEmail : input.members) {
Account a = accounts.parse(nameOrEmail).getAccount();
if (!control.canRemoveMember()) {
throw new AuthException("Cannot delete member: " + a.getFullName());
}
final AccountGroupMember m = members.remove(a.getId());
if (m != null) {
toRemove.add(m);
}
}
writeAudits(toRemove);
db.get().accountGroupMembers().delete(toRemove);
for (final AccountGroupMember m : toRemove) {
accountCache.evict(m.getAccountId());
}
return Response.none();
}
private void writeAudits(final List<AccountGroupMember> toRemove) {
final Account.Id me = ((IdentifiedUser) self.get()).getAccountId();
auditService.dispatchDeleteAccountsFromGroup(me, toRemove);
}
private Map<Account.Id, AccountGroupMember> getMembers(
final AccountGroup.Id groupId) throws OrmException {
final Map<Account.Id, AccountGroupMember> members = Maps.newHashMap();
for (final AccountGroupMember m : db.get().accountGroupMembers()
.byGroup(groupId)) {
members.put(m.getAccountId(), m);
}
return members;
}
@Singleton
static class DeleteMember implements RestModifyView<MemberResource, DeleteMember.Input> {
static class Input {
}
private final Provider<DeleteMembers> delete;
@Inject
DeleteMember(final Provider<DeleteMembers> delete) {
this.delete = delete;
}
@Override
public Response<?> apply(MemberResource resource, Input input)
throws AuthException, MethodNotAllowedException,
UnprocessableEntityException, OrmException {
AddMembers.Input in = new AddMembers.Input();
in._oneMember = resource.getMember().getAccountId().toString();
return delete.get().apply(resource, in);
}
}
}
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