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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.AssigneeInput;
import com.google.gerrit.extensions.api.changes.NotifyHandling;
import com.google.gerrit.extensions.api.changes.ReviewerInput;
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.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.webui.UiAction;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.ReviewerSet;
import com.google.gerrit.server.account.AccountLoader;
import com.google.gerrit.server.account.AccountResolver;
import com.google.gerrit.server.approval.ApprovalsUtil;
import com.google.gerrit.server.change.ChangeResource;
import com.google.gerrit.server.change.ReviewerModifier;
import com.google.gerrit.server.change.ReviewerModifier.ReviewerModification;
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.UpdateException;
import com.google.gerrit.server.util.time.TimeUtil;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import org.eclipse.jgit.errors.ConfigInvalidException;
@Singleton
public class PutAssignee
implements RestModifyView<ChangeResource, AssigneeInput>, UiAction<ChangeResource> {
private final BatchUpdate.Factory updateFactory;
private final AccountResolver accountResolver;
private final SetAssigneeOp.Factory assigneeFactory;
private final ReviewerModifier reviewerModifier;
private final AccountLoader.Factory accountLoaderFactory;
private final PermissionBackend permissionBackend;
private final ApprovalsUtil approvalsUtil;
@Inject
PutAssignee(
BatchUpdate.Factory updateFactory,
AccountResolver accountResolver,
SetAssigneeOp.Factory assigneeFactory,
ReviewerModifier reviewerModifier,
AccountLoader.Factory accountLoaderFactory,
PermissionBackend permissionBackend,
ApprovalsUtil approvalsUtil) {
this.updateFactory = updateFactory;
this.accountResolver = accountResolver;
this.assigneeFactory = assigneeFactory;
this.reviewerModifier = reviewerModifier;
this.accountLoaderFactory = accountLoaderFactory;
this.permissionBackend = permissionBackend;
this.approvalsUtil = approvalsUtil;
}
@Override
public Response<AccountInfo> apply(ChangeResource rsrc, AssigneeInput input)
throws RestApiException, UpdateException, 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.resolve(input.assignee).asUniqueUser();
try {
permissionBackend
.absentUser(assignee.getAccountId())
.change(rsrc.getNotes())
.check(ChangePermission.READ);
} catch (AuthException e) {
throw new AuthException("read not permitted for " + input.assignee, e);
}
try (BatchUpdate bu =
updateFactory.create(rsrc.getChange().getProject(), rsrc.getUser(), TimeUtil.nowTs())) {
SetAssigneeOp op = assigneeFactory.create(assignee);
bu.addOp(rsrc.getId(), op);
ReviewerSet currentReviewers = approvalsUtil.getReviewers(rsrc.getNotes());
if (!currentReviewers.all().contains(assignee.getAccountId())) {
ReviewerModification reviewersAddition = addAssigneeAsCC(rsrc, input.assignee);
reviewersAddition.op.suppressEmail();
bu.addOp(rsrc.getId(), reviewersAddition.op);
}
bu.execute();
return Response.ok(accountLoaderFactory.create(true).fillOne(assignee.getAccountId()));
}
}
private ReviewerModification addAssigneeAsCC(ChangeResource rsrc, String assignee)
throws IOException, PermissionBackendException, ConfigInvalidException {
ReviewerInput reviewerInput = new ReviewerInput();
reviewerInput.reviewer = assignee;
reviewerInput.state = ReviewerState.CC;
reviewerInput.confirmed = true;
reviewerInput.notify = NotifyHandling.NONE;
return reviewerModifier.prepare(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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