| // Copyright (c) 2013 VMware, Inc. All Rights Reserved. |
| // Copyright (C) 2017 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.vmware.gerrit.owners.common; |
| |
| import static com.google.gerrit.extensions.client.DiffPreferencesInfo.Whitespace.IGNORE_NONE; |
| |
| import com.google.common.collect.Sets; |
| import com.google.gerrit.extensions.annotations.Listen; |
| import com.google.gerrit.extensions.api.GerritApi; |
| import com.google.gerrit.extensions.api.changes.ChangeApi; |
| import com.google.gerrit.extensions.api.changes.Changes; |
| import com.google.gerrit.extensions.common.AccountInfo; |
| import com.google.gerrit.extensions.common.ChangeInfo; |
| import com.google.gerrit.extensions.events.GitReferenceUpdatedListener; |
| import com.google.gerrit.extensions.restapi.RestApiException; |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.reviewdb.client.RefNames; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.patch.PatchList; |
| import com.google.gerrit.server.patch.PatchListCache; |
| import com.google.gerrit.server.patch.PatchListKey; |
| import com.google.gerrit.server.patch.PatchListNotAvailableException; |
| import com.google.gerrit.server.util.ManualRequestContext; |
| import com.google.gerrit.server.util.OneOffRequestContext; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import java.io.IOException; |
| import java.util.Set; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.Repository; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Listen |
| public class GitRefListener implements GitReferenceUpdatedListener { |
| private static final Logger logger = LoggerFactory.getLogger(GitRefListener.class); |
| |
| private final GerritApi api; |
| |
| private final PatchListCache patchListCache; |
| |
| private final GitRepositoryManager repositoryManager; |
| |
| private final Accounts accounts; |
| |
| private final ReviewerManager reviewerManager; |
| |
| private final OneOffRequestContext oneOffReqCtx; |
| |
| private Provider<CurrentUser> currentUserProvider; |
| |
| @Inject |
| public GitRefListener( |
| GerritApi api, |
| PatchListCache patchListCache, |
| GitRepositoryManager repositoryManager, |
| Accounts accounts, |
| ReviewerManager reviewerManager, |
| OneOffRequestContext oneOffReqCtx, |
| Provider<CurrentUser> currentUserProvider) { |
| this.api = api; |
| this.patchListCache = patchListCache; |
| this.repositoryManager = repositoryManager; |
| this.accounts = accounts; |
| this.reviewerManager = reviewerManager; |
| this.oneOffReqCtx = oneOffReqCtx; |
| this.currentUserProvider = currentUserProvider; |
| } |
| |
| @Override |
| public void onGitReferenceUpdated(Event event) { |
| AccountInfo updaterAccountInfo = event.getUpdater(); |
| CurrentUser currentUser = currentUserProvider.get(); |
| if (currentUser.isIdentifiedUser()) { |
| handleGitReferenceUpdated(event); |
| } else if (updaterAccountInfo != null) { |
| handleGitReferenceUpdatedAsUser(event, new Account.Id(updaterAccountInfo._accountId)); |
| } else { |
| handleGitReferenceUpdatedAsServer(event); |
| } |
| } |
| |
| private void handleGitReferenceUpdatedAsUser(Event event, Account.Id updaterAccountId) { |
| try (ManualRequestContext ctx = oneOffReqCtx.openAs(updaterAccountId)) { |
| handleGitReferenceUpdated(event); |
| } catch (OrmException e) { |
| logger.warn("Unable to process event {} on project {}", event, event.getProjectName(), e); |
| } |
| } |
| |
| private void handleGitReferenceUpdatedAsServer(Event event) { |
| try (ManualRequestContext ctx = oneOffReqCtx.open()) { |
| handleGitReferenceUpdated(event); |
| } catch (OrmException e) { |
| logger.warn("Unable to process event {} on project {}", event, event.getProjectName(), e); |
| } |
| } |
| |
| private void handleGitReferenceUpdated(Event event) { |
| String projectName = event.getProjectName(); |
| Repository repository; |
| try { |
| repository = repositoryManager.openRepository(Project.NameKey.parse(projectName)); |
| try { |
| String refName = event.getRefName(); |
| if (refName.startsWith(RefNames.REFS_CHANGES) && !RefNames.isNoteDbMetaRef(refName)) { |
| processEvent(repository, event); |
| } |
| } finally { |
| repository.close(); |
| } |
| } catch (IOException e) { |
| logger.warn("Couldn't open repository: {}", projectName, e); |
| } |
| } |
| |
| void processEvent(Repository repository, Event event) { |
| Change.Id cId = Change.Id.fromRef(event.getRefName()); |
| Changes changes = api.changes(); |
| // The provider injected by Gerrit is shared with other workers on the |
| // same local thread and thus cannot be closed in this event listener. |
| try { |
| ChangeApi cApi = changes.id(cId.id); |
| ChangeInfo change = cApi.get(); |
| if (change == null) { |
| return; |
| } |
| PatchList patchList = getPatchList(event, change); |
| if (patchList != null) { |
| PathOwners owners = new PathOwners(accounts, repository, change.branch, patchList); |
| Set<Account.Id> allReviewers = Sets.newHashSet(); |
| allReviewers.addAll(owners.get().values()); |
| for (Matcher matcher : owners.getMatchers().values()) { |
| allReviewers.addAll(matcher.getOwners()); |
| } |
| logger.debug("Autoassigned reviewers are: {}", allReviewers.toString()); |
| reviewerManager.addReviewers(cApi, allReviewers); |
| } |
| } catch (RestApiException e) { |
| logger.warn("Could not open change: {}", cId, e); |
| } catch (ReviewerManagerException e) { |
| logger.warn("Could not add reviewers for change: {}", cId, e); |
| } |
| } |
| |
| private PatchList getPatchList(Event event, ChangeInfo change) { |
| ObjectId newId = null; |
| if (event.getNewObjectId() != null) { |
| newId = ObjectId.fromString(event.getNewObjectId()); |
| } |
| |
| PatchListKey plKey = PatchListKey.againstCommit(null, newId, IGNORE_NONE); |
| try { |
| return patchListCache.get(plKey, new Project.NameKey(change.project)); |
| } catch (PatchListNotAvailableException e) { |
| logger.warn("Could not load patch list: {}", plKey, e); |
| } |
| return null; |
| } |
| } |