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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.schema;
import static java.util.stream.Collectors.toMap;
import com.google.common.collect.ImmutableMap;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.GerritPersonIdent;
import com.google.gerrit.server.account.AccountConfig;
import com.google.gerrit.server.config.AllUsersName;
import com.google.gerrit.server.extensions.events.GitReferenceUpdated;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.git.meta.MetaDataUpdate;
import com.google.gwtorm.jdbc.JdbcSchema;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.ProgressMonitor;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.TextProgressMonitor;
/** Migrate accounts to NoteDb. */
public class Schema_154 extends SchemaVersion {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private static final String TABLE = "accounts";
private static final ImmutableMap<String, AccountSetter> ACCOUNT_FIELDS_MAP =
ImmutableMap.<String, AccountSetter>builder()
.put("full_name", (a, rs, field) -> a.setFullName(rs.getString(field)))
.put("preferred_email", (a, rs, field) -> a.setPreferredEmail(rs.getString(field)))
.put("status", (a, rs, field) -> a.setStatus(rs.getString(field)))
.put("inactive", (a, rs, field) -> a.setActive(rs.getString(field).equals("N")))
.build();
private final GitRepositoryManager repoManager;
private final AllUsersName allUsersName;
private final Provider<PersonIdent> serverIdent;
@Inject
Schema_154(
Provider<Schema_153> prior,
GitRepositoryManager repoManager,
AllUsersName allUsersName,
@GerritPersonIdent Provider<PersonIdent> serverIdent) {
super(prior);
this.repoManager = repoManager;
this.allUsersName = allUsersName;
this.serverIdent = serverIdent;
}
@Override
protected void migrateData(ReviewDb db, UpdateUI ui) throws OrmException, SQLException {
try {
try (Repository repo = repoManager.openRepository(allUsersName)) {
ProgressMonitor pm = new TextProgressMonitor();
pm.beginTask("Collecting accounts", ProgressMonitor.UNKNOWN);
Set<Account> accounts = scanAccounts(db, pm);
pm.endTask();
pm.beginTask("Migrating accounts to NoteDb", accounts.size());
for (Account account : accounts) {
updateAccountInNoteDb(repo, account);
pm.update(1);
}
pm.endTask();
}
} catch (IOException | ConfigInvalidException e) {
throw new OrmException("Migrating accounts to NoteDb failed", e);
}
}
private Set<Account> scanAccounts(ReviewDb db, ProgressMonitor pm) throws SQLException {
Map<String, AccountSetter> fields = getFields(db);
if (fields.isEmpty()) {
logger.atWarning().log("Only account_id and registered_on fields are migrated for accounts");
}
List<String> queryFields = new ArrayList<>();
queryFields.add("account_id");
queryFields.add("registered_on");
queryFields.addAll(fields.keySet());
String query = "SELECT " + String.join(", ", queryFields) + String.format(" FROM %s", TABLE);
try (Statement stmt = newStatement(db);
ResultSet rs = stmt.executeQuery(query)) {
Set<Account> s = new HashSet<>();
while (rs.next()) {
Account a = new Account(new Account.Id(rs.getInt(1)), rs.getTimestamp(2));
for (Map.Entry<String, AccountSetter> field : fields.entrySet()) {
field.getValue().set(a, rs, field.getKey());
}
s.add(a);
pm.update(1);
}
return s;
}
}
private Map<String, AccountSetter> getFields(ReviewDb db) throws SQLException {
JdbcSchema schema = (JdbcSchema) db;
Connection connection = schema.getConnection();
Set<String> columns = schema.getDialect().listColumns(connection, TABLE);
return ACCOUNT_FIELDS_MAP
.entrySet()
.stream()
.filter(e -> columns.contains(e.getKey()))
.collect(toMap(Map.Entry::getKey, Map.Entry::getValue));
}
private void updateAccountInNoteDb(Repository allUsersRepo, Account account)
throws IOException, ConfigInvalidException {
MetaDataUpdate md =
new MetaDataUpdate(GitReferenceUpdated.DISABLED, allUsersName, allUsersRepo);
PersonIdent ident = serverIdent.get();
md.getCommitBuilder().setAuthor(ident);
md.getCommitBuilder().setCommitter(ident);
new AccountConfig(account.getId(), allUsersName, allUsersRepo)
.load()
.setAccount(account)
.commit(md);
}
@FunctionalInterface
private interface AccountSetter {
void set(Account a, ResultSet rs, String field) throws SQLException;
}
}
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