blob: 432f0da9f3b60213bf8f46747a51b95aa6ac475a [file] [log] [blame]
// Copyright (C) 2022 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.gerrit.server.project.ProjectCache.illegalState;
import static java.util.Objects.requireNonNull;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.LabelTypes;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.entities.PatchSetApproval;
import com.google.gerrit.entities.Project;
import com.google.gerrit.extensions.api.changes.DeleteVoteInput;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.server.ChangeMessagesUtil;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.PatchSetUtil;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.approval.ApprovalsUtil;
import com.google.gerrit.server.change.NotifyResolver;
import com.google.gerrit.server.extensions.events.VoteDeleted;
import com.google.gerrit.server.mail.send.DeleteVoteSender;
import com.google.gerrit.server.mail.send.MessageIdGenerator;
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.RemoveReviewerControl;
import com.google.gerrit.server.update.BatchUpdateOp;
import com.google.gerrit.server.update.ChangeContext;
import com.google.gerrit.server.update.PostUpdateContext;
import com.google.gerrit.server.util.AccountTemplateUtil;
import com.google.gerrit.server.util.LabelVote;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/** Updates the storage to delete vote(s). */
public class DeleteVoteOp implements BatchUpdateOp {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
/** Factory to create {@link DeleteVoteOp} instances. */
public interface Factory {
DeleteVoteOp create(
Project.NameKey projectState,
AccountState reviewerToDeleteVoteFor,
String label,
DeleteVoteInput input,
boolean enforcePermissions);
}
private final Project.NameKey projectName;
private final AccountState reviewerToDeleteVoteFor;
private final ProjectCache projectCache;
private final ApprovalsUtil approvalsUtil;
private final PatchSetUtil psUtil;
private final ChangeMessagesUtil cmUtil;
private final VoteDeleted voteDeleted;
private final DeleteVoteSender.Factory deleteVoteSenderFactory;
private final RemoveReviewerControl removeReviewerControl;
private final MessageIdGenerator messageIdGenerator;
private final String label;
private final DeleteVoteInput input;
private final boolean enforcePermissions;
private String mailMessage;
private Change change;
private PatchSet ps;
private Map<String, Short> newApprovals = new HashMap<>();
private Map<String, Short> oldApprovals = new HashMap<>();
@Inject
public DeleteVoteOp(
ProjectCache projectCache,
ApprovalsUtil approvalsUtil,
PatchSetUtil psUtil,
ChangeMessagesUtil cmUtil,
VoteDeleted voteDeleted,
DeleteVoteSender.Factory deleteVoteSenderFactory,
RemoveReviewerControl removeReviewerControl,
MessageIdGenerator messageIdGenerator,
@Assisted Project.NameKey projectName,
@Assisted AccountState reviewerToDeleteVoteFor,
@Assisted String label,
@Assisted DeleteVoteInput input,
@Assisted boolean enforcePermissions) {
this.projectCache = projectCache;
this.approvalsUtil = approvalsUtil;
this.psUtil = psUtil;
this.cmUtil = cmUtil;
this.voteDeleted = voteDeleted;
this.deleteVoteSenderFactory = deleteVoteSenderFactory;
this.removeReviewerControl = removeReviewerControl;
this.messageIdGenerator = messageIdGenerator;
this.projectName = projectName;
this.reviewerToDeleteVoteFor = reviewerToDeleteVoteFor;
this.label = label;
this.input = input;
this.enforcePermissions = enforcePermissions;
}
@Override
public boolean updateChange(ChangeContext ctx)
throws AuthException, ResourceNotFoundException, IOException, PermissionBackendException {
change = ctx.getChange();
PatchSet.Id psId = change.currentPatchSetId();
ps = psUtil.current(ctx.getNotes());
boolean found = false;
LabelTypes labelTypes =
projectCache
.get(projectName)
.orElseThrow(illegalState(projectName))
.getLabelTypes(ctx.getNotes());
Account.Id accountId = reviewerToDeleteVoteFor.account().id();
for (PatchSetApproval a : approvalsUtil.byPatchSetUser(ctx.getNotes(), psId, accountId)) {
if (!labelTypes.byLabel(a.labelId()).isPresent()) {
continue; // Ignore undefined labels.
} else if (!a.label().equals(label)) {
// Populate map for non-matching labels, needed by VoteDeleted.
newApprovals.put(a.label(), a.value());
continue;
} else if (enforcePermissions) {
// For regular users, check if they are allowed to remove the vote.
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.label(), (short) 0);
found = true;
// Set old value, as required by VoteDeleted.
oldApprovals.put(a.label(), a.value());
break;
}
if (!found) {
throw new ResourceNotFoundException();
}
ctx.getUpdate(psId).removeApprovalFor(accountId, label);
StringBuilder msg = new StringBuilder();
msg.append("Removed ");
LabelVote.appendTo(msg, label, requireNonNull(oldApprovals.get(label)));
msg.append(" by ").append(AccountTemplateUtil.getAccountTemplate(accountId));
if (input.reason != null) {
msg.append("\n\n" + input.reason);
}
msg.append("\n");
mailMessage = cmUtil.setChangeMessage(ctx, msg.toString(), ChangeMessagesUtil.TAG_DELETE_VOTE);
return true;
}
@Override
public void postUpdate(PostUpdateContext ctx) {
if (mailMessage == null) {
return;
}
CurrentUser user = ctx.getUser();
try {
NotifyResolver.Result notify = ctx.getNotify(change.getId());
if (notify.shouldNotify()) {
ReplyToChangeSender emailSender =
deleteVoteSenderFactory.create(ctx.getProject(), change.getId());
if (user.isIdentifiedUser()) {
emailSender.setFrom(user.getAccountId());
}
emailSender.setChangeMessage(mailMessage, ctx.getWhen());
emailSender.setNotify(notify);
emailSender.setMessageId(
messageIdGenerator.fromChangeUpdate(ctx.getRepoView(), change.currentPatchSetId()));
emailSender.send();
}
} catch (Exception e) {
logger.atSevere().withCause(e).log("Cannot email update for change %s", change.getId());
}
voteDeleted.fire(
ctx.getChangeData(change),
ps,
reviewerToDeleteVoteFor,
newApprovals,
oldApprovals,
input.notify,
mailMessage,
user.isIdentifiedUser() ? user.asIdentifiedUser().state() : null,
ctx.getWhen());
}
}