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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.restapi.change;
import com.google.common.base.Strings;
import com.google.gerrit.extensions.api.changes.AddReviewerInput;
import com.google.gerrit.extensions.api.changes.AssigneeInput;
import com.google.gerrit.extensions.api.changes.NotifyHandling;
import com.google.gerrit.extensions.client.ReviewerState;
import com.google.gerrit.extensions.common.AccountInfo;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
import com.google.gerrit.extensions.webui.UiAction;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountLoader;
import com.google.gerrit.server.account.AccountResolver;
import com.google.gerrit.server.change.ChangeResource;
import com.google.gerrit.server.change.ReviewerAdder;
import com.google.gerrit.server.change.ReviewerAdder.ReviewerAddition;
import com.google.gerrit.server.change.SetAssigneeOp;
import com.google.gerrit.server.permissions.ChangePermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.update.BatchUpdate;
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.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 org.eclipse.jgit.errors.ConfigInvalidException;
@Singleton
public class PutAssignee extends RetryingRestModifyView<ChangeResource, AssigneeInput, AccountInfo>
implements UiAction<ChangeResource> {
private final AccountResolver accountResolver;
private final SetAssigneeOp.Factory assigneeFactory;
private final Provider<ReviewDb> db;
private final ReviewerAdder reviewerAdder;
private final AccountLoader.Factory accountLoaderFactory;
private final PermissionBackend permissionBackend;
@Inject
PutAssignee(
AccountResolver accountResolver,
SetAssigneeOp.Factory assigneeFactory,
RetryHelper retryHelper,
Provider<ReviewDb> db,
ReviewerAdder reviewerAdder,
AccountLoader.Factory accountLoaderFactory,
PermissionBackend permissionBackend) {
super(retryHelper);
this.accountResolver = accountResolver;
this.assigneeFactory = assigneeFactory;
this.db = db;
this.reviewerAdder = reviewerAdder;
this.accountLoaderFactory = accountLoaderFactory;
this.permissionBackend = permissionBackend;
}
@Override
protected AccountInfo applyImpl(
BatchUpdate.Factory updateFactory, ChangeResource rsrc, AssigneeInput input)
throws RestApiException, UpdateException, OrmException, IOException,
PermissionBackendException, ConfigInvalidException {
rsrc.permissions().check(ChangePermission.EDIT_ASSIGNEE);
input.assignee = Strings.nullToEmpty(input.assignee).trim();
if (input.assignee.isEmpty()) {
throw new BadRequestException("missing assignee field");
}
IdentifiedUser assignee = accountResolver.parse(input.assignee);
if (!assignee.getAccount().isActive()) {
throw new UnprocessableEntityException(input.assignee + " is not active");
}
try {
permissionBackend
.absentUser(assignee.getAccountId())
.database(db)
.change(rsrc.getNotes())
.check(ChangePermission.READ);
} catch (AuthException e) {
throw new AuthException("read not permitted for " + input.assignee);
}
try (BatchUpdate bu =
updateFactory.create(
db.get(), rsrc.getChange().getProject(), rsrc.getUser(), TimeUtil.nowTs())) {
SetAssigneeOp op = assigneeFactory.create(assignee);
bu.addOp(rsrc.getId(), op);
ReviewerAddition reviewersAddition = addAssigneeAsCC(rsrc, input.assignee);
bu.addOp(rsrc.getId(), reviewersAddition.op);
bu.execute();
return accountLoaderFactory.create(true).fillOne(assignee.getAccountId());
}
}
private ReviewerAddition addAssigneeAsCC(ChangeResource rsrc, String assignee)
throws OrmException, IOException, PermissionBackendException, ConfigInvalidException {
AddReviewerInput reviewerInput = new AddReviewerInput();
reviewerInput.reviewer = assignee;
reviewerInput.state = ReviewerState.CC;
reviewerInput.confirmed = true;
reviewerInput.notify = NotifyHandling.NONE;
return reviewerAdder.prepare(db.get(), rsrc.getNotes(), rsrc.getUser(), reviewerInput, false);
}
@Override
public UiAction.Description getDescription(ChangeResource rsrc) {
return new UiAction.Description()
.setLabel("Edit Assignee")
.setVisible(rsrc.permissions().testCond(ChangePermission.EDIT_ASSIGNEE));
}
}
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