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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 static com.google.gerrit.extensions.client.ListGroupsOption.INCLUDES;
import static com.google.gerrit.extensions.client.ListGroupsOption.MEMBERS;
import com.google.common.base.Strings;
import com.google.gerrit.common.data.GroupDescription;
import com.google.gerrit.extensions.client.ListGroupsOption;
import com.google.gerrit.extensions.common.GroupInfo;
import com.google.gerrit.extensions.common.GroupOptionsInfo;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.Url;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.server.account.GroupBackend;
import com.google.gerrit.server.account.GroupControl;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.util.Collection;
import java.util.EnumSet;
public class GroupJson {
public static GroupOptionsInfo createOptions(GroupDescription.Basic group) {
GroupOptionsInfo options = new GroupOptionsInfo();
if (isInternalGroup(group) && ((GroupDescription.Internal) group).isVisibleToAll()) {
options.visibleToAll = true;
}
return options;
}
private final GroupBackend groupBackend;
private final GroupControl.Factory groupControlFactory;
private final Provider<ListMembers> listMembers;
private final Provider<ListSubgroups> listSubgroups;
private EnumSet<ListGroupsOption> options;
@Inject
GroupJson(
GroupBackend groupBackend,
GroupControl.Factory groupControlFactory,
Provider<ListMembers> listMembers,
Provider<ListSubgroups> listSubgroups) {
this.groupBackend = groupBackend;
this.groupControlFactory = groupControlFactory;
this.listMembers = listMembers;
this.listSubgroups = listSubgroups;
options = EnumSet.noneOf(ListGroupsOption.class);
}
public GroupJson addOption(ListGroupsOption o) {
options.add(o);
return this;
}
public GroupJson addOptions(Collection<ListGroupsOption> o) {
options.addAll(o);
return this;
}
public GroupInfo format(GroupResource rsrc) throws OrmException {
GroupInfo info = init(rsrc.getGroup());
initMembersAndSubgroups(rsrc, info);
return info;
}
public GroupInfo format(GroupDescription.Basic group) throws OrmException {
GroupInfo info = init(group);
if (options.contains(MEMBERS) || options.contains(INCLUDES)) {
GroupResource rsrc = new GroupResource(groupControlFactory.controlFor(group));
initMembersAndSubgroups(rsrc, info);
}
return info;
}
private GroupInfo init(GroupDescription.Basic group) {
GroupInfo info = new GroupInfo();
info.id = Url.encode(group.getGroupUUID().get());
info.name = Strings.emptyToNull(group.getName());
info.url = Strings.emptyToNull(group.getUrl());
info.options = createOptions(group);
if (isInternalGroup(group)) {
GroupDescription.Internal internalGroup = (GroupDescription.Internal) group;
info.description = Strings.emptyToNull(internalGroup.getDescription());
info.groupId = internalGroup.getId().get();
AccountGroup.UUID ownerGroupUUID = internalGroup.getOwnerGroupUUID();
if (ownerGroupUUID != null) {
info.ownerId = Url.encode(ownerGroupUUID.get());
GroupDescription.Basic o = groupBackend.get(ownerGroupUUID);
if (o != null) {
info.owner = o.getName();
}
}
info.createdOn = internalGroup.getCreatedOn();
}
return info;
}
private static boolean isInternalGroup(GroupDescription.Basic group) {
return group instanceof GroupDescription.Internal;
}
private GroupInfo initMembersAndSubgroups(GroupResource rsrc, GroupInfo info)
throws OrmException {
if (!rsrc.isInternalGroup()) {
return info;
}
try {
if (options.contains(MEMBERS)) {
info.members = listMembers.get().apply(rsrc);
}
if (options.contains(INCLUDES)) {
info.includes = listSubgroups.get().apply(rsrc);
}
return info;
} catch (MethodNotAllowedException e) {
// should never happen, this exception is only thrown if we would try to
// list members/includes of an external group, but in case of an external
// group we return before
throw new IllegalStateException(e);
}
}
}
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