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com.google.gerrit.server.PatchSetUtil Maven / Gradle / Ivy
// 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;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.collect.ImmutableMap.toImmutableMap;
import static com.google.gerrit.server.ChangeUtil.PS_ID_ORDER;
import static com.google.gerrit.server.notedb.PatchSetState.PUBLISHED;
import static java.util.Objects.requireNonNull;
import static java.util.function.Function.identity;
import com.google.common.collect.ImmutableCollection;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.common.collect.Streams;
import com.google.gerrit.common.data.LabelFunction;
import com.google.gerrit.common.data.LabelType;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gerrit.reviewdb.client.PatchSetApproval;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.reviewdb.client.RevId;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.gerrit.server.notedb.ChangeUpdate;
import com.google.gerrit.server.notedb.NotesMigration;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.project.ProjectState;
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.sql.Timestamp;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
/** Utilities for manipulating patch sets. */
@Singleton
public class PatchSetUtil {
private final NotesMigration migration;
private final Provider approvalsUtilProvider;
private final ProjectCache projectCache;
private final Provider dbProvider;
private final GitRepositoryManager repoManager;
@Inject
PatchSetUtil(
NotesMigration migration,
Provider approvalsUtilProvider,
ProjectCache projectCache,
Provider dbProvider,
GitRepositoryManager repoManager) {
this.migration = migration;
this.approvalsUtilProvider = approvalsUtilProvider;
this.projectCache = projectCache;
this.dbProvider = dbProvider;
this.repoManager = repoManager;
}
public PatchSet current(ReviewDb db, ChangeNotes notes) throws OrmException {
return get(db, notes, notes.getChange().currentPatchSetId());
}
public PatchSet get(ReviewDb db, ChangeNotes notes, PatchSet.Id psId) throws OrmException {
if (!migration.readChanges()) {
return db.patchSets().get(psId);
}
return notes.load().getPatchSets().get(psId);
}
public ImmutableCollection byChange(ReviewDb db, ChangeNotes notes)
throws OrmException {
if (!migration.readChanges()) {
return PS_ID_ORDER.immutableSortedCopy(db.patchSets().byChange(notes.getChangeId()));
}
return notes.load().getPatchSets().values();
}
public ImmutableMap byChangeAsMap(ReviewDb db, ChangeNotes notes)
throws OrmException {
if (!migration.readChanges()) {
ImmutableMap.Builder result = ImmutableMap.builder();
for (PatchSet ps : PS_ID_ORDER.sortedCopy(db.patchSets().byChange(notes.getChangeId()))) {
result.put(ps.getId(), ps);
}
return result.build();
}
return notes.load().getPatchSets();
}
public ImmutableMap getAsMap(
ReviewDb db, ChangeNotes notes, Set patchSetIds) throws OrmException {
if (!migration.readChanges()) {
patchSetIds = Sets.filter(patchSetIds, p -> p.getParentKey().equals(notes.getChangeId()));
return Streams.stream(db.patchSets().get(patchSetIds))
.sorted(PS_ID_ORDER)
.collect(toImmutableMap(PatchSet::getId, identity()));
}
return ImmutableMap.copyOf(Maps.filterKeys(notes.load().getPatchSets(), patchSetIds::contains));
}
public PatchSet insert(
ReviewDb db,
RevWalk rw,
ChangeUpdate update,
PatchSet.Id psId,
ObjectId commit,
List groups,
String pushCertificate,
String description)
throws OrmException, IOException {
requireNonNull(groups, "groups may not be null");
ensurePatchSetMatches(psId, update);
PatchSet ps = new PatchSet(psId);
ps.setRevision(new RevId(commit.name()));
ps.setUploader(update.getAccountId());
ps.setCreatedOn(new Timestamp(update.getWhen().getTime()));
ps.setGroups(groups);
ps.setPushCertificate(pushCertificate);
ps.setDescription(description);
db.patchSets().insert(Collections.singleton(ps));
update.setCommit(rw, commit, pushCertificate);
update.setPsDescription(description);
update.setGroups(groups);
return ps;
}
public void publish(ReviewDb db, ChangeUpdate update, PatchSet ps) throws OrmException {
ensurePatchSetMatches(ps.getId(), update);
update.setPatchSetState(PUBLISHED);
db.patchSets().update(Collections.singleton(ps));
}
private static void ensurePatchSetMatches(PatchSet.Id psId, ChangeUpdate update) {
Change.Id changeId = update.getChange().getId();
checkArgument(
psId.getParentKey().equals(changeId),
"cannot modify patch set %s on update for change %s",
psId,
changeId);
if (update.getPatchSetId() != null) {
checkArgument(
update.getPatchSetId().equals(psId),
"cannot modify patch set %s on update for %s",
psId,
update.getPatchSetId());
} else {
update.setPatchSetId(psId);
}
}
public void setGroups(ReviewDb db, ChangeUpdate update, PatchSet ps, List groups)
throws OrmException {
ps.setGroups(groups);
update.setGroups(groups);
db.patchSets().update(Collections.singleton(ps));
}
/** Check if the current patch set of the change is locked. */
public void checkPatchSetNotLocked(ChangeNotes notes)
throws OrmException, IOException, ResourceConflictException {
if (isPatchSetLocked(notes)) {
throw new ResourceConflictException(
String.format("The current patch set of change %s is locked", notes.getChangeId()));
}
}
/** Is the current patch set locked against state changes? */
public boolean isPatchSetLocked(ChangeNotes notes) throws OrmException, IOException {
Change change = notes.getChange();
if (change.getStatus() == Change.Status.MERGED) {
return false;
}
ProjectState projectState = projectCache.checkedGet(notes.getProjectName());
requireNonNull(
projectState, () -> String.format("Failed to load project %s", notes.getProjectName()));
ApprovalsUtil approvalsUtil = approvalsUtilProvider.get();
for (PatchSetApproval ap :
approvalsUtil.byPatchSet(dbProvider.get(), notes, change.currentPatchSetId(), null, null)) {
LabelType type = projectState.getLabelTypes(notes).byLabel(ap.getLabel());
if (type != null
&& ap.getValue() == 1
&& type.getFunction() == LabelFunction.PATCH_SET_LOCK) {
return true;
}
}
return false;
}
/** Returns the commit for the given project at the given patchset revision */
public RevCommit getRevCommit(Project.NameKey project, PatchSet patchSet) throws IOException {
try (Repository repo = repoManager.openRepository(project);
RevWalk rw = new RevWalk(repo)) {
RevCommit src = rw.parseCommit(ObjectId.fromString(patchSet.getRevision().get()));
rw.parseBody(src);
return src;
}
}
}
