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// Copyright (C) 2012 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 com.google.common.base.Strings;
import com.google.gerrit.common.ChangeHooks;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.Change.Status;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.ChangeUtil;
import com.google.gerrit.server.GerritPersonIdent;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.change.Revert.Input;
import com.google.gerrit.server.config.CanonicalWebUrl;
import com.google.gerrit.server.extensions.events.GitReferenceUpdated;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.git.validators.CommitValidators;
import com.google.gerrit.server.mail.RevertedSender;
import com.google.gerrit.server.patch.PatchSetInfoFactory;
import com.google.gerrit.server.project.ChangeControl;
import com.google.gerrit.server.project.InvalidChangeOperationException;
import com.google.gerrit.server.ssh.NoSshInfo;
import com.google.inject.Inject;
import com.google.inject.Provider;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.Repository;
import javax.annotation.Nullable;
public class Revert implements RestModifyView<ChangeResource, Input> {
private final ChangeHooks hooks;
private final RevertedSender.Factory revertedSenderFactory;
private final CommitValidators.Factory commitValidatorsFactory;
private final Provider<ReviewDb> dbProvider;
private final ChangeJson json;
private final GitRepositoryManager gitManager;
private final PersonIdent myIdent;
private final PatchSetInfoFactory patchSetInfoFactory;
private final GitReferenceUpdated gitRefUpdated;
private final String canonicalWebUrl;
public static class Input {
public String message;
}
@Inject
Revert(ChangeHooks hooks,
RevertedSender.Factory revertedSenderFactory,
final CommitValidators.Factory commitValidatorsFactory,
Provider<ReviewDb> dbProvider,
ChangeJson json,
GitRepositoryManager gitManager,
final PatchSetInfoFactory patchSetInfoFactory,
final GitReferenceUpdated gitRefUpdated,
@GerritPersonIdent final PersonIdent myIdent,
@CanonicalWebUrl @Nullable final String canonicalWebUrl) {
this.hooks = hooks;
this.revertedSenderFactory = revertedSenderFactory;
this.commitValidatorsFactory = commitValidatorsFactory;
this.dbProvider = dbProvider;
this.json = json;
this.gitManager = gitManager;
this.myIdent = myIdent;
this.gitRefUpdated = gitRefUpdated;
this.patchSetInfoFactory = patchSetInfoFactory;
this.canonicalWebUrl = canonicalWebUrl;
}
@Override
public Object apply(ChangeResource req, Input input) throws Exception {
ChangeControl control = req.getControl();
Change change = req.getChange();
if (!control.canAddPatchSet()) {
throw new AuthException("revert not permitted");
} else if (change.getStatus() != Status.MERGED) {
throw new ResourceConflictException("change is " + status(change));
}
final Repository git = gitManager.openRepository(control.getProject().getNameKey());
try {
CommitValidators commitValidators =
commitValidatorsFactory.create(control.getRefControl(), new NoSshInfo(), git);
Change.Id revertedChangeId =
ChangeUtil.revert(control.getRefControl(), change.currentPatchSetId(),
(IdentifiedUser) control.getCurrentUser(),
commitValidators,
Strings.emptyToNull(input.message), dbProvider.get(),
revertedSenderFactory, hooks, git, patchSetInfoFactory,
gitRefUpdated, myIdent, canonicalWebUrl);
return json.format(revertedChangeId);
} catch (InvalidChangeOperationException e) {
throw new BadRequestException(e.getMessage());
} finally {
git.close();
}
}
private static String status(Change change) {
return change != null ? change.getStatus().name().toLowerCase() : "deleted";
}
}
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