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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.entities.Patch.PATCHSET_LEVEL;
import com.google.common.base.Strings;
import com.google.gerrit.entities.HumanComment;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.extensions.api.changes.DraftInput;
import com.google.gerrit.extensions.common.CommentInfo;
import com.google.gerrit.extensions.restapi.BadRequestException;
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.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
import com.google.gerrit.extensions.restapi.Url;
import com.google.gerrit.server.CommentsUtil;
import com.google.gerrit.server.PatchSetUtil;
import com.google.gerrit.server.change.RevisionResource;
import com.google.gerrit.server.permissions.PermissionBackendException;
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.UpdateException;
import com.google.gerrit.server.util.time.TimeUtil;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.util.Collections;
@Singleton
public class CreateDraftComment implements RestModifyView<RevisionResource, DraftInput> {
private final BatchUpdate.Factory updateFactory;
private final Provider<CommentJson> commentJson;
private final CommentsUtil commentsUtil;
private final PatchSetUtil psUtil;
@Inject
CreateDraftComment(
BatchUpdate.Factory updateFactory,
Provider<CommentJson> commentJson,
CommentsUtil commentsUtil,
PatchSetUtil psUtil) {
this.updateFactory = updateFactory;
this.commentJson = commentJson;
this.commentsUtil = commentsUtil;
this.psUtil = psUtil;
}
@Override
public Response<CommentInfo> apply(RevisionResource rsrc, DraftInput in)
throws RestApiException, UpdateException, PermissionBackendException {
if (Strings.isNullOrEmpty(in.path)) {
throw new BadRequestException("path must be non-empty");
} else if (in.message == null || in.message.trim().isEmpty()) {
throw new BadRequestException("message must be non-empty");
} else if (in.path.equals(PATCHSET_LEVEL)
&& (in.side != null || in.range != null || in.line != null)) {
throw new BadRequestException("patchset-level comments can't have side, range, or line");
} else if (in.line != null && in.line < 0) {
throw new BadRequestException("line must be >= 0");
} else if (in.line != null && in.range != null && in.line != in.range.endLine) {
throw new BadRequestException("range endLine must be on the same line as the comment");
} else if (in.inReplyTo != null
&& !commentsUtil.getPublishedHumanComment(rsrc.getNotes(), in.inReplyTo).isPresent()
&& !commentsUtil.getRobotComment(rsrc.getNotes(), in.inReplyTo).isPresent()) {
throw new BadRequestException(
String.format("Invalid inReplyTo, comment %s not found", in.inReplyTo));
}
try (BatchUpdate bu =
updateFactory.create(rsrc.getProject(), rsrc.getUser(), TimeUtil.nowTs())) {
Op op = new Op(rsrc.getPatchSet().id(), in);
bu.addOp(rsrc.getChange().getId(), op);
bu.execute();
return Response.created(
commentJson.get().setFillAccounts(false).newHumanCommentFormatter().format(op.comment));
}
}
private class Op implements BatchUpdateOp {
private final PatchSet.Id psId;
private final DraftInput in;
private HumanComment comment;
private Op(PatchSet.Id psId, DraftInput in) {
this.psId = psId;
this.in = in;
}
@Override
public boolean updateChange(ChangeContext ctx)
throws ResourceNotFoundException, UnprocessableEntityException {
PatchSet ps = psUtil.get(ctx.getNotes(), psId);
if (ps == null) {
throw new ResourceNotFoundException("patch set not found: " + psId);
}
String parentUuid = Url.decode(in.inReplyTo);
comment =
commentsUtil.newHumanComment(
ctx.getNotes(),
ctx.getUser(),
ctx.getWhen(),
in.path,
ps.id(),
in.side(),
in.message.trim(),
in.unresolved,
parentUuid);
comment.setLineNbrAndRange(in.line, in.range);
comment.tag = in.tag;
commentsUtil.setCommentCommitId(comment, ctx.getChange(), ps);
commentsUtil.putHumanComments(
ctx.getUpdate(psId), HumanComment.Status.DRAFT, Collections.singleton(comment));
return true;
}
}
}
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