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com.google.gerrit.server.change.DeleteReviewer Maven / Gradle / Ivy
// 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.collect.Iterables;
import com.google.gerrit.common.TimeUtil;
import com.google.gerrit.common.data.LabelType;
import com.google.gerrit.common.data.LabelTypes;
import com.google.gerrit.extensions.api.changes.DeleteReviewerInput;
import com.google.gerrit.extensions.api.changes.NotifyHandling;
import com.google.gerrit.extensions.restapi.AuthException;
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.extensions.restapi.RestModifyView;
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.PatchSet;
import com.google.gerrit.reviewdb.client.PatchSetApproval;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.reviewdb.server.ReviewDbUtil;
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.extensions.events.ReviewerDeleted;
import com.google.gerrit.server.mail.send.DeleteReviewerSender;
import com.google.gerrit.server.notedb.ChangeUpdate;
import com.google.gerrit.server.notedb.NoteDbChangeState.PrimaryStorage;
import com.google.gerrit.server.notedb.NotesMigration;
import com.google.gerrit.server.update.BatchUpdate;
import com.google.gerrit.server.update.BatchUpdateOp;
import com.google.gerrit.server.update.BatchUpdateReviewDb;
import com.google.gerrit.server.update.ChangeContext;
import com.google.gerrit.server.update.Context;
import com.google.gerrit.server.update.UpdateException;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Singleton
public class DeleteReviewer implements RestModifyView {
private static final Logger log = LoggerFactory.getLogger(DeleteReviewer.class);
private final Provider dbProvider;
private final ApprovalsUtil approvalsUtil;
private final PatchSetUtil psUtil;
private final ChangeMessagesUtil cmUtil;
private final BatchUpdate.Factory batchUpdateFactory;
private final IdentifiedUser.GenericFactory userFactory;
private final ReviewerDeleted reviewerDeleted;
private final Provider user;
private final DeleteReviewerSender.Factory deleteReviewerSenderFactory;
private final NotesMigration migration;
private final NotifyUtil notifyUtil;
@Inject
DeleteReviewer(
Provider dbProvider,
ApprovalsUtil approvalsUtil,
PatchSetUtil psUtil,
ChangeMessagesUtil cmUtil,
BatchUpdate.Factory batchUpdateFactory,
IdentifiedUser.GenericFactory userFactory,
ReviewerDeleted reviewerDeleted,
Provider user,
DeleteReviewerSender.Factory deleteReviewerSenderFactory,
NotesMigration migration,
NotifyUtil notifyUtil) {
this.dbProvider = dbProvider;
this.approvalsUtil = approvalsUtil;
this.psUtil = psUtil;
this.cmUtil = cmUtil;
this.batchUpdateFactory = batchUpdateFactory;
this.userFactory = userFactory;
this.reviewerDeleted = reviewerDeleted;
this.user = user;
this.deleteReviewerSenderFactory = deleteReviewerSenderFactory;
this.migration = migration;
this.notifyUtil = notifyUtil;
}
@Override
public Response apply(ReviewerResource rsrc, DeleteReviewerInput input)
throws RestApiException, UpdateException {
if (input == null) {
input = new DeleteReviewerInput();
}
if (input.notify == null) {
input.notify = NotifyHandling.ALL;
}
try (BatchUpdate bu =
batchUpdateFactory.create(
dbProvider.get(),
rsrc.getChangeResource().getProject(),
rsrc.getChangeResource().getUser(),
TimeUtil.nowTs())) {
Op op = new Op(rsrc.getReviewerUser().getAccount(), input);
bu.addOp(rsrc.getChange().getId(), op);
bu.execute();
}
return Response.none();
}
private class Op implements BatchUpdateOp {
private final Account reviewer;
private final DeleteReviewerInput input;
ChangeMessage changeMessage;
Change currChange;
PatchSet currPs;
Map newApprovals = new HashMap<>();
Map oldApprovals = new HashMap<>();
Op(Account reviewerAccount, DeleteReviewerInput input) {
this.reviewer = reviewerAccount;
this.input = input;
}
@Override
public boolean updateChange(ChangeContext ctx)
throws AuthException, ResourceNotFoundException, OrmException {
Account.Id reviewerId = reviewer.getId();
if (!approvalsUtil.getReviewers(ctx.getDb(), ctx.getNotes()).all().contains(reviewerId)) {
throw new ResourceNotFoundException();
}
currChange = ctx.getChange();
currPs = psUtil.current(ctx.getDb(), ctx.getNotes());
LabelTypes labelTypes = ctx.getControl().getLabelTypes();
// removing a reviewer will remove all her votes
for (LabelType lt : labelTypes.getLabelTypes()) {
newApprovals.put(lt.getName(), (short) 0);
}
StringBuilder msg = new StringBuilder();
msg.append("Removed reviewer " + reviewer.getFullName());
StringBuilder removedVotesMsg = new StringBuilder();
removedVotesMsg.append(" with the following votes:\n\n");
List del = new ArrayList<>();
boolean votesRemoved = false;
for (PatchSetApproval a : approvals(ctx, reviewerId)) {
if (ctx.getControl().canRemoveReviewer(a)) {
del.add(a);
if (a.getPatchSetId().equals(currPs.getId()) && a.getValue() != 0) {
oldApprovals.put(a.getLabel(), a.getValue());
removedVotesMsg
.append("* ")
.append(a.getLabel())
.append(formatLabelValue(a.getValue()))
.append(" by ")
.append(userFactory.create(a.getAccountId()).getNameEmail())
.append("\n");
votesRemoved = true;
}
} else {
throw new AuthException("delete reviewer not permitted");
}
}
if (votesRemoved) {
msg.append(removedVotesMsg);
} else {
msg.append(".");
}
ctx.getDb().patchSetApprovals().delete(del);
ChangeUpdate update = ctx.getUpdate(currPs.getId());
update.removeReviewer(reviewerId);
changeMessage =
ChangeMessagesUtil.newMessage(
ctx, msg.toString(), ChangeMessagesUtil.TAG_DELETE_REVIEWER);
cmUtil.addChangeMessage(ctx.getDb(), update, changeMessage);
return true;
}
@Override
public void postUpdate(Context ctx) {
if (NotifyUtil.shouldNotify(input.notify, input.notifyDetails)) {
emailReviewers(ctx.getProject(), currChange, changeMessage);
}
reviewerDeleted.fire(
currChange,
currPs,
reviewer,
ctx.getAccount(),
changeMessage.getMessage(),
newApprovals,
oldApprovals,
input.notify,
ctx.getWhen());
}
private Iterable approvals(ChangeContext ctx, Account.Id accountId)
throws OrmException {
Change.Id changeId = ctx.getNotes().getChangeId();
Iterable approvals;
PrimaryStorage r = PrimaryStorage.of(ctx.getChange());
if (migration.readChanges() && r == PrimaryStorage.REVIEW_DB) {
// Because NoteDb and ReviewDb have different semantics for zero-value
// approvals, we must fall back to ReviewDb as the source of truth here.
ReviewDb db = ctx.getDb();
if (db instanceof BatchUpdateReviewDb) {
db = ((BatchUpdateReviewDb) db).unsafeGetDelegate();
}
db = ReviewDbUtil.unwrapDb(db);
approvals = db.patchSetApprovals().byChange(changeId);
} else {
approvals = approvalsUtil.byChange(ctx.getDb(), ctx.getNotes()).values();
}
return Iterables.filter(approvals, psa -> accountId.equals(psa.getAccountId()));
}
private String formatLabelValue(short value) {
if (value > 0) {
return "+" + value;
}
return Short.toString(value);
}
private void emailReviewers(
Project.NameKey projectName, Change change, ChangeMessage changeMessage) {
Account.Id userId = user.get().getAccountId();
if (userId.equals(reviewer.getId())) {
// The user knows they removed themselves, don't bother emailing them.
return;
}
try {
DeleteReviewerSender cm = deleteReviewerSenderFactory.create(projectName, change.getId());
cm.setFrom(userId);
cm.addReviewers(Collections.singleton(reviewer.getId()));
cm.setChangeMessage(changeMessage.getMessage(), changeMessage.getWrittenOn());
cm.setNotify(input.notify);
cm.setAccountsToNotify(notifyUtil.resolveAccounts(input.notifyDetails));
cm.send();
} catch (Exception err) {
log.error("Cannot email update for change " + change.getId(), err);
}
}
}
}
