blob: 44d6a4f9dd01c2646c1c593286b3e558ce7e35b2 [file] [log] [blame]
// Copyright (C) 2014 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.project;
import com.google.common.collect.Lists;
import com.google.gerrit.extensions.api.projects.ReflogEntryInfo;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestReadView;
import com.google.gerrit.server.CommonConverters;
import com.google.gerrit.server.args4j.TimestampHandler;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.inject.Inject;
import java.io.IOException;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jgit.lib.ReflogEntry;
import org.eclipse.jgit.lib.ReflogReader;
import org.eclipse.jgit.lib.Repository;
import org.kohsuke.args4j.Option;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GetReflog implements RestReadView<BranchResource> {
private static final Logger log = LoggerFactory.getLogger(GetReflog.class);
private final GitRepositoryManager repoManager;
@Option(
name = "--limit",
aliases = {"-n"},
metaVar = "CNT",
usage = "maximum number of reflog entries to list"
)
public GetReflog setLimit(int limit) {
this.limit = limit;
return this;
}
@Option(
name = "--from",
metaVar = "TIMESTAMP",
usage =
"timestamp from which the reflog entries should be listed (UTC, format: "
+ TimestampHandler.TIMESTAMP_FORMAT
+ ")"
)
public GetReflog setFrom(Timestamp from) {
this.from = from;
return this;
}
@Option(
name = "--to",
metaVar = "TIMESTAMP",
usage =
"timestamp until which the reflog entries should be listed (UTC, format: "
+ TimestampHandler.TIMESTAMP_FORMAT
+ ")"
)
public GetReflog setTo(Timestamp to) {
this.to = to;
return this;
}
private int limit;
private Timestamp from;
private Timestamp to;
@Inject
public GetReflog(GitRepositoryManager repoManager) {
this.repoManager = repoManager;
}
@Override
public List<ReflogEntryInfo> apply(BranchResource rsrc) throws RestApiException, IOException {
if (!rsrc.getControl().isOwner()) {
throw new AuthException("not project owner");
}
try (Repository repo = repoManager.openRepository(rsrc.getNameKey())) {
ReflogReader r;
try {
r = repo.getReflogReader(rsrc.getRef());
} catch (UnsupportedOperationException e) {
String msg = "reflog not supported on repo " + rsrc.getNameKey().get();
log.error(msg);
throw new MethodNotAllowedException(msg);
}
if (r == null) {
throw new ResourceNotFoundException(rsrc.getRef());
}
List<ReflogEntry> entries;
if (from == null && to == null) {
entries = limit > 0 ? r.getReverseEntries(limit) : r.getReverseEntries();
} else {
entries = limit > 0 ? new ArrayList<>(limit) : new ArrayList<>();
for (ReflogEntry e : r.getReverseEntries()) {
Timestamp timestamp = new Timestamp(e.getWho().getWhen().getTime());
if ((from == null || from.before(timestamp)) && (to == null || to.after(timestamp))) {
entries.add(e);
}
if (limit > 0 && entries.size() >= limit) {
break;
}
}
}
return Lists.transform(entries, e -> newReflogEntryInfo(e));
}
}
private ReflogEntryInfo newReflogEntryInfo(ReflogEntry e) {
return new ReflogEntryInfo(
e.getOldId().getName(),
e.getNewId().getName(),
CommonConverters.toGitPerson(e.getWho()),
e.getComment());
}
}