Line data    Source code

       1             : // Copyright (C) 2016 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 java.util.Objects.requireNonNull;
      18             : import static java.util.stream.Collectors.joining;
      19             : 
      20             : import com.google.auto.value.AutoValue;
      21             : import com.google.common.collect.ImmutableList;
      22             : import com.google.common.collect.ImmutableSetMultimap;
      23             : import com.google.gerrit.common.Nullable;
      24             : import com.google.gerrit.entities.Account;
      25             : import com.google.gerrit.extensions.api.changes.NotifyHandling;
      26             : import com.google.gerrit.extensions.api.changes.NotifyInfo;
      27             : import com.google.gerrit.extensions.api.changes.RecipientType;
      28             : import com.google.gerrit.extensions.restapi.BadRequestException;
      29             : import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
      30             : import com.google.gerrit.server.account.AccountResolver;
      31             : import com.google.inject.Inject;
      32             : import com.google.inject.Singleton;
      33             : import java.io.IOException;
      34             : import java.util.ArrayList;
      35             : import java.util.List;
      36             : import java.util.Map;
      37             : import org.eclipse.jgit.errors.ConfigInvalidException;
      38             : 
      39             : @Singleton
      40             : public class NotifyResolver {
      41             :   @AutoValue
      42         112 :   public abstract static class Result {
      43             :     public static Result none() {
      44          58 :       return create(NotifyHandling.NONE);
      45             :     }
      46             : 
      47             :     public static Result all() {
      48         112 :       return create(NotifyHandling.ALL);
      49             :     }
      50             : 
      51             :     public static Result create(NotifyHandling notifyHandling) {
      52         112 :       return create(notifyHandling, ImmutableSetMultimap.of());
      53             :     }
      54             : 
      55             :     public static Result create(
      56             :         NotifyHandling handling, ImmutableSetMultimap<RecipientType, Account.Id> recipients) {
      57         112 :       return new AutoValue_NotifyResolver_Result(handling, recipients);
      58             :     }
      59             : 
      60             :     public abstract NotifyHandling handling();
      61             : 
      62             :     public abstract ImmutableSetMultimap<RecipientType, Account.Id> accounts();
      63             : 
      64             :     public Result withHandling(NotifyHandling notifyHandling) {
      65          37 :       return create(notifyHandling, accounts());
      66             :     }
      67             : 
      68             :     public boolean shouldNotify() {
      69         106 :       return !accounts().isEmpty() || handling().compareTo(NotifyHandling.NONE) > 0;
      70             :     }
      71             :   }
      72             : 
      73             :   private final AccountResolver accountResolver;
      74             : 
      75             :   @Inject
      76         149 :   NotifyResolver(AccountResolver accountResolver) {
      77         149 :     this.accountResolver = accountResolver;
      78         149 :   }
      79             : 
      80             :   public Result resolve(
      81             :       NotifyHandling handling, @Nullable Map<RecipientType, NotifyInfo> notifyDetails)
      82             :       throws BadRequestException, IOException, ConfigInvalidException {
      83          93 :     requireNonNull(handling);
      84          93 :     ImmutableSetMultimap.Builder<RecipientType, Account.Id> b = ImmutableSetMultimap.builder();
      85          93 :     if (notifyDetails != null) {
      86          11 :       for (Map.Entry<RecipientType, NotifyInfo> e : notifyDetails.entrySet()) {
      87          11 :         b.putAll(e.getKey(), find(e.getValue().accounts));
      88          11 :       }
      89             :     }
      90          93 :     return Result.create(handling, b.build());
      91             :   }
      92             : 
      93             :   private ImmutableList<Account.Id> find(@Nullable List<String> inputs)
      94             :       throws BadRequestException, IOException, ConfigInvalidException {
      95          11 :     if (inputs == null || inputs.isEmpty()) {
      96           8 :       return ImmutableList.of();
      97             :     }
      98           5 :     ImmutableList.Builder<Account.Id> r = ImmutableList.builder();
      99           5 :     List<String> problems = new ArrayList<>(inputs.size());
     100           5 :     for (String nameOrEmail : inputs) {
     101             :       try {
     102           5 :         r.add(accountResolver.resolve(nameOrEmail).asUnique().account().id());
     103           0 :       } catch (UnprocessableEntityException e) {
     104           0 :         problems.add(e.getMessage());
     105           5 :       }
     106           5 :     }
     107             : 
     108           5 :     if (!problems.isEmpty()) {
     109           0 :       throw new BadRequestException(
     110             :           "Some accounts that should be notified could not be resolved: "
     111           0 :               + problems.stream().collect(joining("\n")));
     112             :     }
     113             : 
     114           5 :     return r.build();
     115             :   }
     116             : }