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// Copyright (C) 2017 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.account;
import static java.util.Comparator.comparing;
import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.RefNames;
import com.google.gerrit.server.config.AllUsersName;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.mail.send.OutgoingEmailValidator;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Stream;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.lib.Repository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** Class to access accounts. */
@Singleton
public class Accounts {
private static final Logger log = LoggerFactory.getLogger(Accounts.class);
private final GitRepositoryManager repoManager;
private final AllUsersName allUsersName;
private final OutgoingEmailValidator emailValidator;
@Inject
Accounts(
GitRepositoryManager repoManager,
AllUsersName allUsersName,
OutgoingEmailValidator emailValidator) {
this.repoManager = repoManager;
this.allUsersName = allUsersName;
this.emailValidator = emailValidator;
}
public Account get(Account.Id accountId) throws IOException, ConfigInvalidException {
try (Repository repo = repoManager.openRepository(allUsersName)) {
return read(repo, accountId);
}
}
public List<Account> get(Collection<Account.Id> accountIds)
throws IOException, ConfigInvalidException {
List<Account> accounts = new ArrayList<>(accountIds.size());
try (Repository repo = repoManager.openRepository(allUsersName)) {
for (Account.Id accountId : accountIds) {
accounts.add(read(repo, accountId));
}
}
return accounts;
}
/**
* Returns all accounts.
*
* @return all accounts
*/
public List<Account> all() throws IOException {
Set<Account.Id> accountIds = allIds();
List<Account> accounts = new ArrayList<>(accountIds.size());
try (Repository repo = repoManager.openRepository(allUsersName)) {
for (Account.Id accountId : accountIds) {
try {
accounts.add(read(repo, accountId));
} catch (Exception e) {
log.error("Ignoring invalid account {}", accountId.get(), e);
}
}
}
return accounts;
}
/**
* Returns all account IDs.
*
* @return all account IDs
*/
public Set<Account.Id> allIds() throws IOException {
return readUserRefs().collect(toSet());
}
/**
* Returns the first n account IDs.
*
* @param n the number of account IDs that should be returned
* @return first n account IDs
*/
public List<Account.Id> firstNIds(int n) throws IOException {
return readUserRefs().sorted(comparing(id -> id.get())).limit(n).collect(toList());
}
/**
* Checks if any account exists.
*
* @return {@code true} if at least one account exists, otherwise {@code false}
*/
public boolean hasAnyAccount() throws IOException {
try (Repository repo = repoManager.openRepository(allUsersName)) {
return hasAnyAccount(repo);
}
}
public static boolean hasAnyAccount(Repository repo) throws IOException {
return readUserRefs(repo).findAny().isPresent();
}
private Stream<Account.Id> readUserRefs() throws IOException {
try (Repository repo = repoManager.openRepository(allUsersName)) {
return readUserRefs(repo);
}
}
private Account read(Repository allUsersRepository, Account.Id accountId)
throws IOException, ConfigInvalidException {
AccountConfig accountConfig = new AccountConfig(emailValidator, accountId);
accountConfig.load(allUsersRepository);
return accountConfig.getAccount();
}
public static Stream<Account.Id> readUserRefs(Repository repo) throws IOException {
return repo.getRefDatabase().getRefs(RefNames.REFS_USERS).values().stream()
.map(r -> Account.Id.fromRef(r.getName()))
.filter(Objects::nonNull);
}
}
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