| // 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.base.Predicate; |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.Lists; |
| import com.google.gerrit.common.TimeUtil; |
| 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.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.PatchSetApproval; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.ApprovalsUtil; |
| import com.google.gerrit.server.ChangeMessagesUtil; |
| import com.google.gerrit.server.ChangeUtil; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.change.DeleteReviewer.Input; |
| import com.google.gerrit.server.index.ChangeIndexer; |
| import com.google.gerrit.server.notedb.ChangeUpdate; |
| import com.google.gerrit.server.project.ChangeControl; |
| 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 java.util.List; |
| |
| @Singleton |
| public class DeleteReviewer implements RestModifyView<ReviewerResource, Input> { |
| public static class Input { |
| } |
| |
| private final Provider<ReviewDb> dbProvider; |
| private final ChangeUpdate.Factory updateFactory; |
| private final ApprovalsUtil approvalsUtil; |
| private final ChangeMessagesUtil cmUtil; |
| private final ChangeIndexer indexer; |
| private final IdentifiedUser.GenericFactory userFactory; |
| |
| @Inject |
| DeleteReviewer(Provider<ReviewDb> dbProvider, |
| ChangeUpdate.Factory updateFactory, |
| ApprovalsUtil approvalsUtil, |
| ChangeMessagesUtil cmUtil, |
| ChangeIndexer indexer, |
| IdentifiedUser.GenericFactory userFactory) { |
| this.dbProvider = dbProvider; |
| this.updateFactory = updateFactory; |
| this.approvalsUtil = approvalsUtil; |
| this.cmUtil = cmUtil; |
| this.indexer = indexer; |
| this.userFactory = userFactory; |
| } |
| |
| @Override |
| public Response<?> apply(ReviewerResource rsrc, Input input) |
| throws AuthException, ResourceNotFoundException, OrmException, |
| IOException { |
| ChangeControl control = rsrc.getControl(); |
| Change.Id changeId = rsrc.getChange().getId(); |
| ReviewDb db = dbProvider.get(); |
| ChangeUpdate update = updateFactory.create(rsrc.getControl()); |
| |
| StringBuilder msg = new StringBuilder(); |
| db.changes().beginTransaction(changeId); |
| try { |
| List<PatchSetApproval> del = Lists.newArrayList(); |
| for (PatchSetApproval a : approvals(db, rsrc)) { |
| if (control.canRemoveReviewer(a)) { |
| del.add(a); |
| if (a.getPatchSetId().equals(control.getChange().currentPatchSetId()) |
| && a.getValue() != 0) { |
| if (msg.length() == 0) { |
| msg.append("Removed the following votes:\n\n"); |
| } |
| msg.append("* ") |
| .append(a.getLabel()).append(formatLabelValue(a.getValue())) |
| .append(" by ").append(userFactory.create(a.getAccountId()).getNameEmail()) |
| .append("\n"); |
| } |
| } else { |
| throw new AuthException("delete not permitted"); |
| } |
| } |
| if (del.isEmpty()) { |
| throw new ResourceNotFoundException(); |
| } |
| ChangeUtil.bumpRowVersionNotLastUpdatedOn(rsrc.getChange().getId(), db); |
| db.patchSetApprovals().delete(del); |
| update.removeReviewer(rsrc.getUser().getAccountId()); |
| |
| if (msg.length() > 0) { |
| ChangeMessage changeMessage = |
| new ChangeMessage(new ChangeMessage.Key(rsrc.getChange().getId(), |
| ChangeUtil.messageUUID(db)), |
| ((IdentifiedUser) control.getCurrentUser()).getAccountId(), |
| TimeUtil.nowTs(), rsrc.getChange().currentPatchSetId()); |
| changeMessage.setMessage(msg.toString()); |
| cmUtil.addChangeMessage(db, update, changeMessage); |
| } |
| |
| db.commit(); |
| } finally { |
| db.rollback(); |
| } |
| update.commit(); |
| indexer.index(db, rsrc.getChange()); |
| return Response.none(); |
| } |
| |
| private static String formatLabelValue(short value) { |
| if (value > 0) { |
| return "+" + value; |
| } else { |
| return Short.toString(value); |
| } |
| } |
| |
| private Iterable<PatchSetApproval> approvals(ReviewDb db, |
| ReviewerResource rsrc) throws OrmException { |
| final Account.Id user = rsrc.getUser().getAccountId(); |
| return Iterables.filter( |
| approvalsUtil.byChange(db, rsrc.getNotes()).values(), |
| new Predicate<PatchSetApproval>() { |
| @Override |
| public boolean apply(PatchSetApproval input) { |
| return user.equals(input.getAccountId()); |
| } |
| }); |
| } |
| } |