// Copyright (C) 2009 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.patch;
import com.google.gerrit.common.data.ReviewerResult;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.PatchSetApproval;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.account.AccountCache;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.project.ChangeControl;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.Callable;
public class RemoveReviewer implements Callable<ReviewerResult> {
private static final Logger log =
LoggerFactory.getLogger(RemoveReviewer.class);
public interface Factory {
RemoveReviewer create(Change.Id changeId, Set<Account.Id> reviewerId);
}
private final ChangeControl.Factory changeControlFactory;
private final ReviewDb db;
private final AccountCache accountCache;
private final Change.Id changeId;
private final Set<Account.Id> ids;
@Inject
RemoveReviewer(ReviewDb db, ChangeControl.Factory changeControlFactory,
AccountCache accountCache, @Assisted Change.Id changeId,
@Assisted Set<Account.Id> ids) {
this.db = db;
this.changeControlFactory = changeControlFactory;
this.accountCache = accountCache;
this.changeId = changeId;
this.ids = ids;
}
@Override
public ReviewerResult call() throws Exception {
ReviewerResult result = new ReviewerResult();
ChangeControl ctl = changeControlFactory.validateFor(changeId);
Set<Account.Id> rejected = new HashSet<Account.Id>();
List<PatchSetApproval> current = db.patchSetApprovals().byChange(changeId).toList();
for (PatchSetApproval psa : current) {
Account.Id who = psa.getAccountId();
if (ids.contains(who) && !ctl.canRemoveReviewer(psa) && rejected.add(who)) {
result.addError(new ReviewerResult.Error(
ReviewerResult.Error.Type.REMOVE_NOT_PERMITTED,
formatUser(who)));
}
}
List<PatchSetApproval> toDelete = new ArrayList<PatchSetApproval>();
for (PatchSetApproval psa : current) {
Account.Id who = psa.getAccountId();
if (ids.contains(who) && !rejected.contains(who)) {
toDelete.add(psa);
}
}
try {
db.patchSetApprovals().delete(toDelete);
} catch (OrmException err) {
log.warn("Cannot remove reviewers from change "+changeId, err);
Set<Account.Id> failed = new HashSet<Account.Id>();
for (PatchSetApproval psa : toDelete) {
failed.add(psa.getAccountId());
}
for (Account.Id who : failed) {
result.addError(new ReviewerResult.Error(
ReviewerResult.Error.Type.COULD_NOT_REMOVE,
formatUser(who)));
}
}
return result;
}
private String formatUser(Account.Id who) {
AccountState state = accountCache.get(who);
if (state != null) {
return formatUser(state.getAccount(), who);
} else {
return who.toString();
}
}
static String formatUser(Account a, Object fallback) {
if (a.getFullName() != null && !a.getFullName().isEmpty()) {
return a.getFullName();
}
if (a.getPreferredEmail() != null && !a.getPreferredEmail().isEmpty()) {
return a.getPreferredEmail();
}
if (a.getUserName() != null && a.getUserName().isEmpty()) {
return a.getUserName();
}
return fallback.toString();
}
}