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// 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.restapi.change;
import static com.google.gerrit.server.CommentsUtil.setCommentRevId;
import com.google.gerrit.extensions.common.CommentInfo;
import com.google.gerrit.extensions.common.Input;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.reviewdb.client.Comment;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.CommentsUtil;
import com.google.gerrit.server.PatchSetUtil;
import com.google.gerrit.server.change.DraftCommentResource;
import com.google.gerrit.server.patch.PatchListCache;
import com.google.gerrit.server.patch.PatchListNotAvailableException;
import com.google.gerrit.server.update.BatchUpdate;
import com.google.gerrit.server.update.BatchUpdateOp;
import com.google.gerrit.server.update.ChangeContext;
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.util.Collections;
import java.util.Optional;
@Singleton
public class DeleteDraftComment
extends RetryingRestModifyView<DraftCommentResource, Input, Response<CommentInfo>> {
private final Provider<ReviewDb> db;
private final CommentsUtil commentsUtil;
private final PatchSetUtil psUtil;
private final PatchListCache patchListCache;
@Inject
DeleteDraftComment(
Provider<ReviewDb> db,
CommentsUtil commentsUtil,
PatchSetUtil psUtil,
RetryHelper retryHelper,
PatchListCache patchListCache) {
super(retryHelper);
this.db = db;
this.commentsUtil = commentsUtil;
this.psUtil = psUtil;
this.patchListCache = patchListCache;
}
@Override
protected Response<CommentInfo> applyImpl(
BatchUpdate.Factory updateFactory, DraftCommentResource rsrc, Input input)
throws RestApiException, UpdateException {
try (BatchUpdate bu =
updateFactory.create(
db.get(), rsrc.getChange().getProject(), rsrc.getUser(), TimeUtil.nowTs())) {
Op op = new Op(rsrc.getComment().key);
bu.addOp(rsrc.getChange().getId(), op);
bu.execute();
}
return Response.none();
}
private class Op implements BatchUpdateOp {
private final Comment.Key key;
private Op(Comment.Key key) {
this.key = key;
}
@Override
public boolean updateChange(ChangeContext ctx)
throws ResourceNotFoundException, OrmException, PatchListNotAvailableException {
Optional<Comment> maybeComment =
commentsUtil.getDraft(ctx.getDb(), ctx.getNotes(), ctx.getIdentifiedUser(), key);
if (!maybeComment.isPresent()) {
return false; // Nothing to do.
}
PatchSet.Id psId = new PatchSet.Id(ctx.getChange().getId(), key.patchSetId);
PatchSet ps = psUtil.get(ctx.getDb(), ctx.getNotes(), psId);
if (ps == null) {
throw new ResourceNotFoundException("patch set not found: " + psId);
}
Comment c = maybeComment.get();
setCommentRevId(c, patchListCache, ctx.getChange(), ps);
commentsUtil.deleteComments(ctx.getDb(), ctx.getUpdate(psId), Collections.singleton(c));
ctx.dontBumpLastUpdatedOn();
return true;
}
}
}
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