Line data    Source code

       1             : // Copyright (C) 2018 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.change;
      16             : 
      17             : import static com.google.common.collect.ImmutableList.toImmutableList;
      18             : 
      19             : import com.google.common.collect.ImmutableList;
      20             : import com.google.common.flogger.FluentLogger;
      21             : import com.google.gerrit.entities.Account;
      22             : import com.google.gerrit.entities.Address;
      23             : import com.google.gerrit.entities.Change;
      24             : import com.google.gerrit.entities.Project;
      25             : import com.google.gerrit.server.IdentifiedUser;
      26             : import com.google.gerrit.server.config.SendEmailExecutor;
      27             : import com.google.gerrit.server.mail.send.MessageIdGenerator;
      28             : import com.google.gerrit.server.mail.send.ModifyReviewerSender;
      29             : import com.google.inject.Inject;
      30             : import com.google.inject.Singleton;
      31             : import java.util.Collection;
      32             : import java.util.concurrent.ExecutorService;
      33             : import java.util.concurrent.Future;
      34             : 
      35             : @Singleton
      36             : public class ModifyReviewersEmail {
      37         146 :   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
      38             : 
      39             :   private final ModifyReviewerSender.Factory addReviewerSenderFactory;
      40             :   private final ExecutorService sendEmailsExecutor;
      41             :   private final MessageIdGenerator messageIdGenerator;
      42             : 
      43             :   @Inject
      44             :   ModifyReviewersEmail(
      45             :       ModifyReviewerSender.Factory addReviewerSenderFactory,
      46             :       @SendEmailExecutor ExecutorService sendEmailsExecutor,
      47         146 :       MessageIdGenerator messageIdGenerator) {
      48         146 :     this.addReviewerSenderFactory = addReviewerSenderFactory;
      49         146 :     this.sendEmailsExecutor = sendEmailsExecutor;
      50         146 :     this.messageIdGenerator = messageIdGenerator;
      51         146 :   }
      52             : 
      53             :   public void emailReviewersAsync(
      54             :       IdentifiedUser user,
      55             :       Change change,
      56             :       Collection<Account.Id> added,
      57             :       Collection<Account.Id> copied,
      58             :       Collection<Account.Id> removed,
      59             :       Collection<Address> addedByEmail,
      60             :       Collection<Address> copiedByEmail,
      61             :       Collection<Address> removedByEmail,
      62             :       NotifyResolver.Result notify) {
      63             :     // The user knows they added/removed themselves, don't bother emailing them.
      64          71 :     Account.Id userId = user.getAccountId();
      65          71 :     ImmutableList<Account.Id> immutableToMail =
      66          71 :         added.stream().filter(id -> !id.equals(userId)).collect(toImmutableList());
      67          71 :     ImmutableList<Account.Id> immutableToCopy =
      68          71 :         copied.stream().filter(id -> !id.equals(userId)).collect(toImmutableList());
      69          71 :     ImmutableList<Account.Id> immutableToRemove =
      70          71 :         removed.stream().filter(id -> !id.equals(userId)).collect(toImmutableList());
      71          71 :     if (immutableToMail.isEmpty()
      72          67 :         && immutableToCopy.isEmpty()
      73          65 :         && immutableToRemove.isEmpty()
      74          65 :         && addedByEmail.isEmpty()
      75          65 :         && copiedByEmail.isEmpty()
      76          65 :         && removedByEmail.isEmpty()) {
      77          65 :       return;
      78             :     }
      79             : 
      80             :     // Make immutable copies of collections and hand over only immutable data types to the other
      81             :     // thread.
      82          31 :     Change.Id cId = change.getId();
      83          31 :     Project.NameKey projectNameKey = change.getProject();
      84          31 :     ImmutableList<Address> immutableAddedByEmail = ImmutableList.copyOf(addedByEmail);
      85          31 :     ImmutableList<Address> immutableCopiedByEmail = ImmutableList.copyOf(copiedByEmail);
      86          31 :     ImmutableList<Address> immutableRemovedByEmail = ImmutableList.copyOf(removedByEmail);
      87             : 
      88             :     @SuppressWarnings("unused")
      89          31 :     Future<?> possiblyIgnoredError =
      90          31 :         sendEmailsExecutor.submit(
      91             :             () -> {
      92             :               try {
      93          31 :                 ModifyReviewerSender emailSender =
      94          31 :                     addReviewerSenderFactory.create(projectNameKey, cId);
      95          31 :                 emailSender.setNotify(notify);
      96          31 :                 emailSender.setFrom(userId);
      97          31 :                 emailSender.addReviewers(immutableToMail);
      98          31 :                 emailSender.addReviewersByEmail(immutableAddedByEmail);
      99          31 :                 emailSender.addExtraCC(immutableToCopy);
     100          31 :                 emailSender.addExtraCCByEmail(immutableCopiedByEmail);
     101          31 :                 emailSender.addRemovedReviewers(immutableToRemove);
     102          31 :                 emailSender.addRemovedByEmailReviewers(immutableRemovedByEmail);
     103          31 :                 emailSender.setMessageId(
     104          31 :                     messageIdGenerator.fromChangeUpdate(
     105          31 :                         change.getProject(), change.currentPatchSetId()));
     106          31 :                 emailSender.send();
     107           0 :               } catch (Exception err) {
     108           0 :                 logger.atSevere().withCause(err).log(
     109           0 :                     "Cannot send email to new reviewers of change %s", change.getId());
     110          31 :               }
     111          31 :             });
     112          31 :   }
     113             : }