| // Copyright (C) 2016 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.change; |
| |
| import static java.util.stream.Collectors.joining; |
| |
| import com.google.common.collect.ImmutableListMultimap; |
| import com.google.common.collect.ListMultimap; |
| import com.google.common.collect.MultimapBuilder; |
| import com.google.gerrit.common.Nullable; |
| import com.google.gerrit.extensions.api.changes.NotifyHandling; |
| import com.google.gerrit.extensions.api.changes.NotifyInfo; |
| import com.google.gerrit.extensions.api.changes.RecipientType; |
| import com.google.gerrit.extensions.restapi.BadRequestException; |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.server.account.AccountResolver; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import org.eclipse.jgit.errors.ConfigInvalidException; |
| |
| @Singleton |
| public class NotifyUtil { |
| private final AccountResolver accountResolver; |
| |
| @Inject |
| NotifyUtil(AccountResolver accountResolver) { |
| this.accountResolver = accountResolver; |
| } |
| |
| public static boolean shouldNotify( |
| NotifyHandling notify, @Nullable Map<RecipientType, NotifyInfo> notifyDetails) { |
| if (!isNullOrEmpty(notifyDetails)) { |
| return true; |
| } |
| |
| return notify.compareTo(NotifyHandling.NONE) > 0; |
| } |
| |
| private static boolean isNullOrEmpty(@Nullable Map<RecipientType, NotifyInfo> notifyDetails) { |
| if (notifyDetails == null || notifyDetails.isEmpty()) { |
| return true; |
| } |
| |
| for (NotifyInfo notifyInfo : notifyDetails.values()) { |
| if (!isEmpty(notifyInfo)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| private static boolean isEmpty(NotifyInfo notifyInfo) { |
| return notifyInfo.accounts == null || notifyInfo.accounts.isEmpty(); |
| } |
| |
| public ListMultimap<RecipientType, Account.Id> resolveAccounts( |
| @Nullable Map<RecipientType, NotifyInfo> notifyDetails) |
| throws OrmException, BadRequestException, IOException, ConfigInvalidException { |
| if (isNullOrEmpty(notifyDetails)) { |
| return ImmutableListMultimap.of(); |
| } |
| |
| ListMultimap<RecipientType, Account.Id> m = null; |
| for (Entry<RecipientType, NotifyInfo> e : notifyDetails.entrySet()) { |
| List<String> accounts = e.getValue().accounts; |
| if (accounts != null) { |
| if (m == null) { |
| m = MultimapBuilder.hashKeys().arrayListValues().build(); |
| } |
| m.putAll(e.getKey(), find(accounts)); |
| } |
| } |
| |
| return m != null ? m : ImmutableListMultimap.of(); |
| } |
| |
| private List<Account.Id> find(List<String> nameOrEmails) |
| throws OrmException, BadRequestException, IOException, ConfigInvalidException { |
| List<String> missing = new ArrayList<>(nameOrEmails.size()); |
| List<Account.Id> r = new ArrayList<>(nameOrEmails.size()); |
| for (String nameOrEmail : nameOrEmails) { |
| Account a = accountResolver.find(nameOrEmail); |
| if (a != null) { |
| r.add(a.getId()); |
| } else { |
| missing.add(nameOrEmail); |
| } |
| } |
| |
| if (!missing.isEmpty()) { |
| throw new BadRequestException( |
| "The following accounts that should be notified could not be resolved: " |
| + missing.stream().distinct().sorted().collect(joining(", "))); |
| } |
| |
| return r; |
| } |
| } |