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// Copyright (C) 2016 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 static com.google.common.base.Preconditions.checkNotNull;
import com.google.gerrit.extensions.registration.DynamicSet;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.ChangeMessage;
import com.google.gerrit.server.ChangeMessagesUtil;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.extensions.events.AssigneeChanged;
import com.google.gerrit.server.mail.send.SetAssigneeSender;
import com.google.gerrit.server.notedb.ChangeUpdate;
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.validators.AssigneeValidationListener;
import com.google.gerrit.server.validators.ValidationException;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.assistedinject.Assisted;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SetAssigneeOp implements BatchUpdateOp {
private static final Logger log = LoggerFactory.getLogger(SetAssigneeOp.class);
public interface Factory {
SetAssigneeOp create(IdentifiedUser assignee);
}
private final ChangeMessagesUtil cmUtil;
private final DynamicSet<AssigneeValidationListener> validationListeners;
private final IdentifiedUser newAssignee;
private final AssigneeChanged assigneeChanged;
private final SetAssigneeSender.Factory setAssigneeSenderFactory;
private final Provider<IdentifiedUser> user;
private final IdentifiedUser.GenericFactory userFactory;
private Change change;
private IdentifiedUser oldAssignee;
@Inject
SetAssigneeOp(
ChangeMessagesUtil cmUtil,
DynamicSet<AssigneeValidationListener> validationListeners,
AssigneeChanged assigneeChanged,
SetAssigneeSender.Factory setAssigneeSenderFactory,
Provider<IdentifiedUser> user,
IdentifiedUser.GenericFactory userFactory,
@Assisted IdentifiedUser newAssignee) {
this.cmUtil = cmUtil;
this.validationListeners = validationListeners;
this.assigneeChanged = assigneeChanged;
this.setAssigneeSenderFactory = setAssigneeSenderFactory;
this.user = user;
this.userFactory = userFactory;
this.newAssignee = checkNotNull(newAssignee, "assignee");
}
@Override
public boolean updateChange(ChangeContext ctx) throws OrmException, RestApiException {
change = ctx.getChange();
if (newAssignee.getAccountId().equals(change.getAssignee())) {
return false;
}
try {
for (AssigneeValidationListener validator : validationListeners) {
validator.validateAssignee(change, newAssignee.getAccount());
}
} catch (ValidationException e) {
throw new ResourceConflictException(e.getMessage());
}
if (change.getAssignee() != null) {
oldAssignee = userFactory.create(change.getAssignee());
}
ChangeUpdate update = ctx.getUpdate(change.currentPatchSetId());
// notedb
update.setAssignee(newAssignee.getAccountId());
// reviewdb
change.setAssignee(newAssignee.getAccountId());
addMessage(ctx, update);
return true;
}
private void addMessage(ChangeContext ctx, ChangeUpdate update) throws OrmException {
StringBuilder msg = new StringBuilder();
msg.append("Assignee ");
if (oldAssignee == null) {
msg.append("added: ");
msg.append(newAssignee.getNameEmail());
} else {
msg.append("changed from: ");
msg.append(oldAssignee.getNameEmail());
msg.append(" to: ");
msg.append(newAssignee.getNameEmail());
}
ChangeMessage cmsg =
ChangeMessagesUtil.newMessage(ctx, msg.toString(), ChangeMessagesUtil.TAG_SET_ASSIGNEE);
cmUtil.addChangeMessage(ctx.getDb(), update, cmsg);
}
@Override
public void postUpdate(Context ctx) throws OrmException {
try {
SetAssigneeSender cm =
setAssigneeSenderFactory.create(
change.getProject(), change.getId(), newAssignee.getAccountId());
cm.setFrom(user.get().getAccountId());
cm.send();
} catch (Exception err) {
log.error("Cannot send email to new assignee of change " + change.getId(), err);
}
assigneeChanged.fire(
change,
ctx.getAccount(),
oldAssignee != null ? oldAssignee.getAccount() : null,
ctx.getWhen());
}
}
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