com.google.gerrit.server.group.AddIncludedGroups Maven / Gradle / Ivy

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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.gerrit.audit.AuditService;
import com.google.gerrit.common.data.GroupDescription;
import com.google.gerrit.extensions.common.GroupInfo;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.DefaultInput;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
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.AccountGroupById;
import com.google.gerrit.reviewdb.server.ReviewDb;
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.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Singleton
public class AddIncludedGroups implements RestModifyView {
  public static class Input {
    @DefaultInput String _oneGroup;

    public List groups;

    public static Input fromGroups(List groups) {
      Input in = new Input();
      in.groups = groups;
      return in;
    }

    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 GroupsCollection groupsCollection;
  private final GroupIncludeCache groupIncludeCache;
  private final Provider db;
  private final GroupJson json;
  private final AuditService auditService;

  @Inject
  public AddIncludedGroups(
      GroupsCollection groupsCollection,
      GroupIncludeCache groupIncludeCache,
      Provider db,
      GroupJson json,
      AuditService auditService) {
    this.groupsCollection = groupsCollection;
    this.groupIncludeCache = groupIncludeCache;
    this.db = db;
    this.json = json;
    this.auditService = auditService;
  }

  @Override
  public List apply(GroupResource resource, Input input)
      throws MethodNotAllowedException, AuthException, UnprocessableEntityException, OrmException {
    AccountGroup group = resource.toAccountGroup();
    if (group == null) {
      throw new MethodNotAllowedException();
    }
    input = Input.init(input);

    GroupControl control = resource.getControl();
    Map newIncludedGroups = new HashMap<>();
    List result = new ArrayList<>();
    Account.Id me = control.getUser().getAccountId();

    for (String includedGroup : input.groups) {
      GroupDescription.Basic d = groupsCollection.parse(includedGroup);
      if (!control.canAddGroup()) {
        throw new AuthException(String.format("Cannot add group: %s", d.getName()));
      }

      if (!newIncludedGroups.containsKey(d.getGroupUUID())) {
        AccountGroupById.Key agiKey = new AccountGroupById.Key(group.getId(), d.getGroupUUID());
        AccountGroupById agi = db.get().accountGroupById().get(agiKey);
        if (agi == null) {
          agi = new AccountGroupById(agiKey);
          newIncludedGroups.put(d.getGroupUUID(), agi);
        }
      }
      result.add(json.format(d));
    }

    if (!newIncludedGroups.isEmpty()) {
      auditService.dispatchAddGroupsToGroup(me, newIncludedGroups.values());
      db.get().accountGroupById().insert(newIncludedGroups.values());
      for (AccountGroupById agi : newIncludedGroups.values()) {
        groupIncludeCache.evictParentGroupsOf(agi.getIncludeUUID());
      }
      groupIncludeCache.evictSubgroupsOf(group.getGroupUUID());
    }

    return result;
  }

  static class PutIncludedGroup implements RestModifyView {
    static class Input {}

    private final AddIncludedGroups put;
    private final String id;

    PutIncludedGroup(AddIncludedGroups put, String id) {
      this.put = put;
      this.id = id;
    }

    @Override
    public GroupInfo apply(GroupResource resource, Input input)
        throws AuthException, MethodNotAllowedException, ResourceNotFoundException, OrmException {
      AddIncludedGroups.Input in = new AddIncludedGroups.Input();
      in.groups = ImmutableList.of(id);
      try {
        List list = put.apply(resource, in);
        if (list.size() == 1) {
          return list.get(0);
        }
        throw new IllegalStateException();
      } catch (UnprocessableEntityException e) {
        throw new ResourceNotFoundException(id);
      }
    }
  }

  @Singleton
  static class UpdateIncludedGroup
      implements RestModifyView {
    private final Provider get;

    @Inject
    UpdateIncludedGroup(Provider get) {
      this.get = get;
    }

    @Override
    public GroupInfo apply(IncludedGroupResource resource, PutIncludedGroup.Input input)
        throws OrmException {
      // Do nothing, the group is already included.
      return get.get().apply(resource);
    }
  }
}