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// 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.restapi.change;
import static com.google.common.base.MoreObjects.firstNonNull;
import static com.google.gerrit.server.update.context.RefUpdateContext.RefUpdateType.CHANGE_MODIFICATION;
import com.google.gerrit.entities.Change;
import com.google.gerrit.extensions.api.changes.DeleteVoteInput;
import com.google.gerrit.extensions.api.changes.NotifyHandling;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.change.AddToAttentionSetOp;
import com.google.gerrit.server.change.AttentionSetUnchangedOp;
import com.google.gerrit.server.change.NotifyResolver;
import com.google.gerrit.server.change.ReviewerResource;
import com.google.gerrit.server.change.VoteResource;
import com.google.gerrit.server.update.BatchUpdate;
import com.google.gerrit.server.update.UpdateException;
import com.google.gerrit.server.update.context.RefUpdateContext;
import com.google.gerrit.server.util.time.TimeUtil;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
import org.eclipse.jgit.errors.ConfigInvalidException;
@Singleton
public class DeleteVote implements RestModifyView<VoteResource, DeleteVoteInput> {
private final BatchUpdate.Factory updateFactory;
private final NotifyResolver notifyResolver;
private final AddToAttentionSetOp.Factory attentionSetOpFactory;
private final Provider<CurrentUser> currentUserProvider;
private final DeleteVoteOp.Factory deleteVoteOpFactory;
@Inject
DeleteVote(
BatchUpdate.Factory updateFactory,
NotifyResolver notifyResolver,
AddToAttentionSetOp.Factory attentionSetOpFactory,
Provider<CurrentUser> currentUserProvider,
DeleteVoteOp.Factory deleteVoteOpFactory) {
this.updateFactory = updateFactory;
this.notifyResolver = notifyResolver;
this.attentionSetOpFactory = attentionSetOpFactory;
this.currentUserProvider = currentUserProvider;
this.deleteVoteOpFactory = deleteVoteOpFactory;
}
@Override
public Response<Object> apply(VoteResource rsrc, DeleteVoteInput input)
throws RestApiException, UpdateException, IOException, ConfigInvalidException {
if (input == null) {
input = new DeleteVoteInput();
}
if (input.label != null && !rsrc.getLabel().equals(input.label)) {
throw new BadRequestException("label must match URL");
}
if (input.notify == null) {
input.notify = NotifyHandling.ALL;
}
ReviewerResource r = rsrc.getReviewer();
Change change = r.getChange();
if (r.getRevisionResource() != null && !r.getRevisionResource().isCurrent()) {
throw new MethodNotAllowedException("Cannot delete vote on non-current patch set");
}
try (RefUpdateContext ctx = RefUpdateContext.open(CHANGE_MODIFICATION)) {
try (BatchUpdate bu =
updateFactory.create(
change.getProject(), r.getChangeResource().getUser(), TimeUtil.now())) {
bu.setNotify(
notifyResolver.resolve(
firstNonNull(input.notify, NotifyHandling.ALL), input.notifyDetails));
bu.addOp(
change.getId(),
deleteVoteOpFactory.create(
r.getChange().getProject(),
r.getReviewerUser().state(),
rsrc.getLabel(),
input,
true));
if (!input.ignoreAutomaticAttentionSetRules
&& !r.getReviewerUser()
.getAccountId()
.equals(currentUserProvider.get().getAccountId())) {
bu.addOp(
change.getId(),
attentionSetOpFactory.create(
r.getReviewerUser().getAccountId(),
/* reason= */ "Their vote was deleted",
/* notify= */ false));
}
if (input.ignoreAutomaticAttentionSetRules) {
bu.addOp(change.getId(), new AttentionSetUnchangedOp());
}
bu.execute();
}
}
return Response.none();
}
}