Line data    Source code

       1             : // Copyright (C) 2020 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.change;
      16             : 
      17             : import com.google.gerrit.entities.Account;
      18             : import com.google.gerrit.extensions.api.changes.AttentionSetInput;
      19             : import com.google.gerrit.extensions.api.changes.NotifyHandling;
      20             : import com.google.gerrit.extensions.common.AccountInfo;
      21             : import com.google.gerrit.extensions.restapi.AuthException;
      22             : import com.google.gerrit.extensions.restapi.BadRequestException;
      23             : import com.google.gerrit.extensions.restapi.Response;
      24             : import com.google.gerrit.extensions.restapi.RestCollectionModifyView;
      25             : import com.google.gerrit.server.account.AccountLoader;
      26             : import com.google.gerrit.server.account.AccountResolver;
      27             : import com.google.gerrit.server.account.ServiceUserClassifier;
      28             : import com.google.gerrit.server.change.AddToAttentionSetOp;
      29             : import com.google.gerrit.server.change.AttentionSetEntryResource;
      30             : import com.google.gerrit.server.change.ChangeResource;
      31             : import com.google.gerrit.server.change.NotifyResolver;
      32             : import com.google.gerrit.server.permissions.ChangePermission;
      33             : import com.google.gerrit.server.permissions.PermissionBackend;
      34             : import com.google.gerrit.server.update.BatchUpdate;
      35             : import com.google.gerrit.server.util.AttentionSetUtil;
      36             : import com.google.gerrit.server.util.time.TimeUtil;
      37             : import com.google.inject.Inject;
      38             : import com.google.inject.Singleton;
      39             : 
      40             : /** Adds a single user to the attention set. */
      41             : @Singleton
      42             : public class AddToAttentionSet
      43             :     implements RestCollectionModifyView<
      44             :         ChangeResource, AttentionSetEntryResource, AttentionSetInput> {
      45             : 
      46             :   private final BatchUpdate.Factory updateFactory;
      47             :   private final AccountResolver accountResolver;
      48             :   private final AddToAttentionSetOp.Factory opFactory;
      49             :   private final AccountLoader.Factory accountLoaderFactory;
      50             :   private final PermissionBackend permissionBackend;
      51             :   private final NotifyResolver notifyResolver;
      52             :   private final ServiceUserClassifier serviceUserClassifier;
      53             : 
      54             :   @Inject
      55             :   AddToAttentionSet(
      56             :       BatchUpdate.Factory updateFactory,
      57             :       AccountResolver accountResolver,
      58             :       AddToAttentionSetOp.Factory opFactory,
      59             :       AccountLoader.Factory accountLoaderFactory,
      60             :       PermissionBackend permissionBackend,
      61             :       NotifyResolver notifyResolver,
      62         145 :       ServiceUserClassifier serviceUserClassifier) {
      63         145 :     this.updateFactory = updateFactory;
      64         145 :     this.accountResolver = accountResolver;
      65         145 :     this.opFactory = opFactory;
      66         145 :     this.accountLoaderFactory = accountLoaderFactory;
      67         145 :     this.permissionBackend = permissionBackend;
      68         145 :     this.notifyResolver = notifyResolver;
      69         145 :     this.serviceUserClassifier = serviceUserClassifier;
      70         145 :   }
      71             : 
      72             :   @Override
      73             :   public Response<AccountInfo> apply(ChangeResource changeResource, AttentionSetInput input)
      74             :       throws Exception {
      75           6 :     AttentionSetUtil.validateInput(input);
      76           6 :     Account.Id attentionUserId =
      77           6 :         AttentionSetUtil.resolveAccount(accountResolver, changeResource.getNotes(), input.user);
      78             : 
      79           6 :     if (serviceUserClassifier.isServiceUser(attentionUserId)) {
      80           1 :       throw new BadRequestException(
      81           1 :           String.format(
      82             :               "%s is a robot, and robots can't be added to the attention set.", input.user));
      83             :     }
      84           6 :     if (!permissionBackend
      85           6 :         .absentUser(attentionUserId)
      86           6 :         .change(changeResource.getNotes())
      87           6 :         .test(ChangePermission.READ)) {
      88           1 :       throw new AuthException("read not permitted for " + attentionUserId);
      89             :     }
      90             : 
      91           6 :     try (BatchUpdate bu =
      92           6 :         updateFactory.create(
      93           6 :             changeResource.getChange().getProject(), changeResource.getUser(), TimeUtil.now())) {
      94           6 :       AddToAttentionSetOp op = opFactory.create(attentionUserId, input.reason, true);
      95           6 :       bu.addOp(changeResource.getId(), op);
      96           6 :       NotifyHandling notify = input.notify == null ? NotifyHandling.OWNER : input.notify;
      97           6 :       NotifyResolver.Result notifyResult = notifyResolver.resolve(notify, input.notifyDetails);
      98           6 :       bu.setNotify(notifyResult);
      99           6 :       bu.execute();
     100           6 :       return Response.ok(accountLoaderFactory.create(true).fillOne(attentionUserId));
     101             :     }
     102             :   }
     103             : }