com.google.gerrit.server.PublishCommentsOp Maven / Gradle / Ivy
// Copyright (C) 2020 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;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.gerrit.entities.HumanComment;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.entities.Project;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
import com.google.gerrit.server.change.EmailReviewComments;
import com.google.gerrit.server.extensions.events.CommentAdded;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.gerrit.server.notedb.ChangeUpdate;
import com.google.gerrit.server.patch.PatchListNotAvailableException;
import com.google.gerrit.server.update.BatchUpdateOp;
import com.google.gerrit.server.update.ChangeContext;
import com.google.gerrit.server.update.CommentsRejectedException;
import com.google.gerrit.server.update.PostUpdateContext;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jgit.lib.ObjectId;
/**
* A {@link BatchUpdateOp} that can be used to publish draft comments
*
* This class uses the {@link PublishCommentUtil} to publish draft comments and fires the
* necessary event for this.
*/
public class PublishCommentsOp implements BatchUpdateOp {
private final PatchSetUtil psUtil;
private final ChangeNotes.Factory changeNotesFactory;
private final CommentAdded commentAdded;
private final DraftCommentsReader draftCommentsReader;
private final EmailReviewComments.Factory email;
private final Project.NameKey projectNameKey;
private final PatchSet.Id psId;
private final PublishCommentUtil publishCommentUtil;
private final ChangeMessagesUtil changeMessagesUtil;
private ObjectId preUpdateMetaId;
private List comments = new ArrayList<>();
private String mailMessage;
public interface Factory {
PublishCommentsOp create(PatchSet.Id psId, Project.NameKey projectNameKey);
}
@Inject
public PublishCommentsOp(
ChangeNotes.Factory changeNotesFactory,
CommentAdded commentAdded,
DraftCommentsReader draftCommentsReader,
EmailReviewComments.Factory email,
PatchSetUtil psUtil,
PublishCommentUtil publishCommentUtil,
ChangeMessagesUtil changeMessagesUtil,
@Assisted PatchSet.Id psId,
@Assisted Project.NameKey projectNameKey) {
this.changeNotesFactory = changeNotesFactory;
this.commentAdded = commentAdded;
this.draftCommentsReader = draftCommentsReader;
this.email = email;
this.psId = psId;
this.publishCommentUtil = publishCommentUtil;
this.psUtil = psUtil;
this.projectNameKey = projectNameKey;
this.changeMessagesUtil = changeMessagesUtil;
}
@Override
public boolean updateChange(ChangeContext ctx)
throws ResourceConflictException, UnprocessableEntityException, IOException,
PatchListNotAvailableException, CommentsRejectedException {
preUpdateMetaId = ctx.getNotes().getMetaId();
comments =
draftCommentsReader.getDraftsByChangeAndDraftAuthor(
ctx.getNotes(), ctx.getUser().getAccountId());
// PublishCommentsOp should update a separate ChangeUpdate Object than the one used by other ops
// For example, with the "publish comments on PS upload" workflow,
// There are 2 ops: ReplaceOp & PublishCommentsOp, where each updates its own ChangeUpdate
// This is required since
// 1. a ChangeUpdate has only 1 change message
// 2. Each ChangeUpdate results in 1 commit in NoteDb
// We do it this way so that the execution results in 2 different commits in NoteDb
ChangeUpdate changeUpdate = ctx.getDistinctUpdate(psId);
publishCommentUtil.publish(ctx, changeUpdate, comments, /* tag= */ null);
return insertMessage(changeUpdate);
}
@Override
public void postUpdate(PostUpdateContext ctx) {
if (Strings.isNullOrEmpty(mailMessage) || comments.isEmpty()) {
return;
}
ChangeNotes changeNotes = changeNotesFactory.createChecked(projectNameKey, psId.changeId());
PatchSet ps = psUtil.get(changeNotes, psId);
email
.create(
ctx,
ps,
preUpdateMetaId,
mailMessage,
comments,
/* patchSetComment= */ null,
/* labels= */ ImmutableList.of())
.sendAsync();
commentAdded.fire(
ctx.getChangeData(changeNotes),
ps,
ctx.getAccount(),
mailMessage,
ImmutableMap.of(),
ImmutableMap.of(),
ctx.getWhen());
}
private boolean insertMessage(ChangeUpdate changeUpdate) {
StringBuilder buf = new StringBuilder();
if (comments.size() == 1) {
buf.append("\n\n(1 comment)");
} else if (comments.size() > 1) {
buf.append(String.format("\n\n(%d comments)", comments.size()));
}
if (buf.length() == 0) {
return false;
}
mailMessage =
changeMessagesUtil.setChangeMessage(
changeUpdate, "Patch Set " + psId.get() + ":" + buf, /* tag= */ null);
return true;
}
}