Line data    Source code

       1             : // Copyright (C) 2013 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.restapi.group;
      16             : 
      17             : import com.google.common.collect.ImmutableList;
      18             : import com.google.common.collect.Sets;
      19             : import com.google.gerrit.entities.AccountGroup;
      20             : import com.google.gerrit.entities.GroupDescription;
      21             : import com.google.gerrit.exceptions.NoSuchGroupException;
      22             : import com.google.gerrit.extensions.restapi.AuthException;
      23             : import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
      24             : import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
      25             : import com.google.gerrit.extensions.restapi.Response;
      26             : import com.google.gerrit.extensions.restapi.RestModifyView;
      27             : import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
      28             : import com.google.gerrit.server.UserInitiated;
      29             : import com.google.gerrit.server.account.GroupControl;
      30             : import com.google.gerrit.server.group.GroupResolver;
      31             : import com.google.gerrit.server.group.GroupResource;
      32             : import com.google.gerrit.server.group.SubgroupResource;
      33             : import com.google.gerrit.server.group.db.GroupDelta;
      34             : import com.google.gerrit.server.group.db.GroupsUpdate;
      35             : import com.google.gerrit.server.restapi.group.AddSubgroups.Input;
      36             : import com.google.inject.Inject;
      37             : import com.google.inject.Provider;
      38             : import com.google.inject.Singleton;
      39             : import java.io.IOException;
      40             : import java.util.HashSet;
      41             : import java.util.Set;
      42             : import org.eclipse.jgit.errors.ConfigInvalidException;
      43             : 
      44             : @Singleton
      45             : public class DeleteSubgroups implements RestModifyView<GroupResource, Input> {
      46             :   private final GroupResolver groupResolver;
      47             :   private final Provider<GroupsUpdate> groupsUpdateProvider;
      48             : 
      49             :   @Inject
      50             :   DeleteSubgroups(
      51         146 :       GroupResolver groupResolver, @UserInitiated Provider<GroupsUpdate> groupsUpdateProvider) {
      52         146 :     this.groupResolver = groupResolver;
      53         146 :     this.groupsUpdateProvider = groupsUpdateProvider;
      54         146 :   }
      55             : 
      56             :   @Override
      57             :   public Response<?> apply(GroupResource resource, Input input)
      58             :       throws AuthException, NotInternalGroupException, UnprocessableEntityException,
      59             :           ResourceNotFoundException, IOException, ConfigInvalidException {
      60           4 :     GroupDescription.Internal internalGroup =
      61           4 :         resource.asInternalGroup().orElseThrow(NotInternalGroupException::new);
      62           4 :     input = Input.init(input);
      63             : 
      64           4 :     final GroupControl control = resource.getControl();
      65           4 :     if (!control.canRemoveGroup()) {
      66           0 :       throw new AuthException(
      67           0 :           String.format("Cannot delete groups from group %s", internalGroup.getName()));
      68             :     }
      69             : 
      70           4 :     Set<AccountGroup.UUID> subgroupsToRemove = new HashSet<>();
      71           4 :     for (String subgroupIdentifier : input.groups) {
      72           4 :       GroupDescription.Basic subgroup = groupResolver.parse(subgroupIdentifier);
      73           4 :       subgroupsToRemove.add(subgroup.getGroupUUID());
      74           4 :     }
      75             : 
      76           4 :     AccountGroup.UUID groupUuid = internalGroup.getGroupUUID();
      77             :     try {
      78           4 :       removeSubgroups(groupUuid, subgroupsToRemove);
      79           0 :     } catch (NoSuchGroupException e) {
      80           0 :       throw new ResourceNotFoundException(String.format("Group %s not found", groupUuid), e);
      81           4 :     }
      82             : 
      83           4 :     return Response.none();
      84             :   }
      85             : 
      86             :   private void removeSubgroups(
      87             :       AccountGroup.UUID parentGroupUuid, Set<AccountGroup.UUID> removedSubgroupUuids)
      88             :       throws NoSuchGroupException, IOException, ConfigInvalidException {
      89             :     GroupDelta groupDelta =
      90           4 :         GroupDelta.builder()
      91           4 :             .setSubgroupModification(
      92           4 :                 subgroupUuids -> Sets.difference(subgroupUuids, removedSubgroupUuids))
      93           4 :             .build();
      94           4 :     groupsUpdateProvider.get().updateGroup(parentGroupUuid, groupDelta);
      95           4 :   }
      96             : 
      97             :   @Singleton
      98             :   public static class DeleteSubgroup implements RestModifyView<SubgroupResource, Input> {
      99             : 
     100             :     private final Provider<DeleteSubgroups> delete;
     101             : 
     102             :     @Inject
     103         138 :     public DeleteSubgroup(Provider<DeleteSubgroups> delete) {
     104         138 :       this.delete = delete;
     105         138 :     }
     106             : 
     107             :     @Override
     108             :     public Response<?> apply(SubgroupResource resource, Input input)
     109             :         throws AuthException, MethodNotAllowedException, UnprocessableEntityException,
     110             :             ResourceNotFoundException, IOException, ConfigInvalidException {
     111           1 :       AddSubgroups.Input in = new AddSubgroups.Input();
     112           1 :       in.groups = ImmutableList.of(resource.getMember().get());
     113           1 :       return delete.get().apply(resource, in);
     114             :     }
     115             :   }
     116             : }