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com.google.gerrit.server.restapi.change.DeleteVote Maven / Gradle / Ivy
// 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 java.util.Objects.requireNonNull;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.common.data.LabelTypes;
import com.google.gerrit.extensions.api.changes.DeleteVoteInput;
import com.google.gerrit.extensions.api.changes.NotifyHandling;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.ChangeMessage;
import com.google.gerrit.reviewdb.client.LabelId;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gerrit.reviewdb.client.PatchSetApproval;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.ApprovalsUtil;
import com.google.gerrit.server.ChangeMessagesUtil;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.PatchSetUtil;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.change.NotifyUtil;
import com.google.gerrit.server.change.ReviewerResource;
import com.google.gerrit.server.change.VoteResource;
import com.google.gerrit.server.extensions.events.VoteDeleted;
import com.google.gerrit.server.mail.send.DeleteVoteSender;
import com.google.gerrit.server.mail.send.ReplyToChangeSender;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.project.ProjectState;
import com.google.gerrit.server.project.RemoveReviewerControl;
import com.google.gerrit.server.update.BatchUpdate;
import com.google.gerrit.server.update.BatchUpdateOp;
import com.google.gerrit.server.update.ChangeContext;
import com.google.gerrit.server.update.Context;
import com.google.gerrit.server.update.RetryHelper;
import com.google.gerrit.server.update.RetryingRestModifyView;
import com.google.gerrit.server.update.UpdateException;
import com.google.gerrit.server.util.LabelVote;
import com.google.gerrit.server.util.time.TimeUtil;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
@Singleton
public class DeleteVote extends RetryingRestModifyView> {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private final Provider db;
private final ApprovalsUtil approvalsUtil;
private final PatchSetUtil psUtil;
private final ChangeMessagesUtil cmUtil;
private final IdentifiedUser.GenericFactory userFactory;
private final VoteDeleted voteDeleted;
private final DeleteVoteSender.Factory deleteVoteSenderFactory;
private final NotifyUtil notifyUtil;
private final RemoveReviewerControl removeReviewerControl;
private final ProjectCache projectCache;
@Inject
DeleteVote(
Provider db,
RetryHelper retryHelper,
ApprovalsUtil approvalsUtil,
PatchSetUtil psUtil,
ChangeMessagesUtil cmUtil,
IdentifiedUser.GenericFactory userFactory,
VoteDeleted voteDeleted,
DeleteVoteSender.Factory deleteVoteSenderFactory,
NotifyUtil notifyUtil,
RemoveReviewerControl removeReviewerControl,
ProjectCache projectCache) {
super(retryHelper);
this.db = db;
this.approvalsUtil = approvalsUtil;
this.psUtil = psUtil;
this.cmUtil = cmUtil;
this.userFactory = userFactory;
this.voteDeleted = voteDeleted;
this.deleteVoteSenderFactory = deleteVoteSenderFactory;
this.notifyUtil = notifyUtil;
this.removeReviewerControl = removeReviewerControl;
this.projectCache = projectCache;
}
@Override
protected Response applyImpl(
BatchUpdate.Factory updateFactory, VoteResource rsrc, DeleteVoteInput input)
throws RestApiException, UpdateException, IOException {
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 (BatchUpdate bu =
updateFactory.create(
db.get(), change.getProject(), r.getChangeResource().getUser(), TimeUtil.nowTs())) {
bu.addOp(
change.getId(),
new Op(
projectCache.checkedGet(r.getChange().getProject()),
r.getReviewerUser().state(),
rsrc.getLabel(),
input));
bu.execute();
}
return Response.none();
}
private class Op implements BatchUpdateOp {
private final ProjectState projectState;
private final AccountState accountState;
private final String label;
private final DeleteVoteInput input;
private ChangeMessage changeMessage;
private Change change;
private PatchSet ps;
private Map newApprovals = new HashMap<>();
private Map oldApprovals = new HashMap<>();
private Op(
ProjectState projectState, AccountState accountState, String label, DeleteVoteInput input) {
this.projectState = projectState;
this.accountState = accountState;
this.label = label;
this.input = input;
}
@Override
public boolean updateChange(ChangeContext ctx)
throws OrmException, AuthException, ResourceNotFoundException, IOException,
PermissionBackendException {
change = ctx.getChange();
PatchSet.Id psId = change.currentPatchSetId();
ps = psUtil.current(db.get(), ctx.getNotes());
boolean found = false;
LabelTypes labelTypes = projectState.getLabelTypes(ctx.getNotes());
Account.Id accountId = accountState.getAccount().getId();
for (PatchSetApproval a :
approvalsUtil.byPatchSetUser(
ctx.getDb(),
ctx.getNotes(),
psId,
accountId,
ctx.getRevWalk(),
ctx.getRepoView().getConfig())) {
if (labelTypes.byLabel(a.getLabelId()) == null) {
continue; // Ignore undefined labels.
} else if (!a.getLabel().equals(label)) {
// Populate map for non-matching labels, needed by VoteDeleted.
newApprovals.put(a.getLabel(), a.getValue());
continue;
} else {
try {
removeReviewerControl.checkRemoveReviewer(ctx.getNotes(), ctx.getUser(), a);
} catch (AuthException e) {
throw new AuthException("delete vote not permitted", e);
}
}
// Set the approval to 0 if vote is being removed.
newApprovals.put(a.getLabel(), (short) 0);
found = true;
// Set old value, as required by VoteDeleted.
oldApprovals.put(a.getLabel(), a.getValue());
break;
}
if (!found) {
throw new ResourceNotFoundException();
}
ctx.getUpdate(psId).removeApprovalFor(accountId, label);
ctx.getDb().patchSetApprovals().upsert(Collections.singleton(deletedApproval(ctx)));
StringBuilder msg = new StringBuilder();
msg.append("Removed ");
LabelVote.appendTo(msg, label, requireNonNull(oldApprovals.get(label)));
msg.append(" by ").append(userFactory.create(accountId).getNameEmail()).append("\n");
changeMessage =
ChangeMessagesUtil.newMessage(ctx, msg.toString(), ChangeMessagesUtil.TAG_DELETE_VOTE);
cmUtil.addChangeMessage(ctx.getDb(), ctx.getUpdate(psId), changeMessage);
return true;
}
private PatchSetApproval deletedApproval(ChangeContext ctx) {
// Set the effective user to the account we're trying to remove, and don't
// set the real user; this preserves the calling user as the NoteDb
// committer.
return new PatchSetApproval(
new PatchSetApproval.Key(
ps.getId(), accountState.getAccount().getId(), new LabelId(label)),
(short) 0,
ctx.getWhen());
}
@Override
public void postUpdate(Context ctx) {
if (changeMessage == null) {
return;
}
IdentifiedUser user = ctx.getIdentifiedUser();
if (NotifyUtil.shouldNotify(input.notify, input.notifyDetails)) {
try {
ReplyToChangeSender cm = deleteVoteSenderFactory.create(ctx.getProject(), change.getId());
cm.setFrom(user.getAccountId());
cm.setChangeMessage(changeMessage.getMessage(), ctx.getWhen());
cm.setNotify(input.notify);
cm.setAccountsToNotify(notifyUtil.resolveAccounts(input.notifyDetails));
cm.send();
} catch (Exception e) {
logger.atSevere().withCause(e).log("Cannot email update for change %s", change.getId());
}
}
voteDeleted.fire(
change,
ps,
accountState,
newApprovals,
oldApprovals,
input.notify,
changeMessage.getMessage(),
user.state(),
ctx.getWhen());
}
}
}
