| // Copyright (C) 2013 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.googlesource.gerrit.plugins.reviewers; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| import org.eclipse.jgit.errors.RepositoryNotFoundException; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.Sets; |
| import com.google.gerrit.common.ChangeListener; |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.account.AccountByEmailCache; |
| import com.google.gerrit.server.account.AccountResolver; |
| import com.google.gerrit.server.account.GroupMembers; |
| import com.google.gerrit.server.config.PluginConfigFactory; |
| import com.google.gerrit.server.events.ChangeEvent; |
| import com.google.gerrit.server.events.PatchSetCreatedEvent; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.git.WorkQueue; |
| import com.google.gerrit.server.group.GroupsCollection; |
| import com.google.gerrit.server.project.NoSuchProjectException; |
| import com.google.gerrit.server.util.RequestContext; |
| import com.google.gerrit.server.util.ThreadLocalRequestContext; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.gwtorm.server.SchemaFactory; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.ProvisionException; |
| |
| class ChangeEventListener implements ChangeListener { |
| |
| private static final Logger log = LoggerFactory |
| .getLogger(ChangeEventListener.class); |
| |
| private final AccountResolver accountResolver; |
| private final AccountByEmailCache byEmailCache; |
| private final Provider<GroupsCollection> groupsCollection; |
| private final GroupMembers.Factory groupMembersFactory; |
| private final DefaultReviewers.Factory reviewersFactory; |
| private final GitRepositoryManager repoManager; |
| private final WorkQueue workQueue; |
| private final IdentifiedUser.GenericFactory identifiedUserFactory; |
| private final ThreadLocalRequestContext tl; |
| private final SchemaFactory<ReviewDb> schemaFactory; |
| private final PluginConfigFactory cfg; |
| private final String pluginName; |
| private ReviewDb db; |
| |
| @Inject |
| ChangeEventListener( |
| final AccountResolver accountResolver, |
| final AccountByEmailCache byEmailCache, |
| final Provider<GroupsCollection> groupsCollection, |
| final GroupMembers.Factory groupMembersFactory, |
| final DefaultReviewers.Factory reviewersFactory, |
| final GitRepositoryManager repoManager, |
| final WorkQueue workQueue, |
| final IdentifiedUser.GenericFactory identifiedUserFactory, |
| final ThreadLocalRequestContext tl, |
| final SchemaFactory<ReviewDb> schemaFactory, |
| final PluginConfigFactory cfg, |
| final @PluginName String pluginName) { |
| this.accountResolver = accountResolver; |
| this.byEmailCache = byEmailCache; |
| this.groupsCollection = groupsCollection; |
| this.groupMembersFactory = groupMembersFactory; |
| this.reviewersFactory = reviewersFactory; |
| this.repoManager = repoManager; |
| this.workQueue = workQueue; |
| this.identifiedUserFactory = identifiedUserFactory; |
| this.tl = tl; |
| this.schemaFactory = schemaFactory; |
| this.cfg = cfg; |
| this.pluginName = pluginName; |
| } |
| |
| @Override |
| public void onChangeEvent(ChangeEvent event) { |
| if (!(event instanceof PatchSetCreatedEvent)) { |
| return; |
| } |
| PatchSetCreatedEvent e = (PatchSetCreatedEvent) event; |
| Project.NameKey projectName = new Project.NameKey(e.change.project); |
| Set<Account> reviewers; |
| try { |
| reviewers = reviewers(cfg |
| .getFromProjectConfigWithInheritance(projectName, pluginName) |
| .getStringList("reviewer"), projectName, e.uploader.email); |
| } catch (NoSuchProjectException x) { |
| log.error(x.getMessage(), x); |
| return; |
| } |
| |
| if (reviewers.isEmpty()) { |
| return; |
| } |
| |
| Repository git; |
| try { |
| git = repoManager.openRepository(projectName); |
| } catch (RepositoryNotFoundException x) { |
| log.error(x.getMessage(), x); |
| return; |
| } catch (IOException x) { |
| log.error(x.getMessage(), x); |
| return; |
| } |
| |
| final ReviewDb reviewDb; |
| final RevWalk rw = new RevWalk(git); |
| |
| try { |
| reviewDb = schemaFactory.open(); |
| try { |
| Change.Id changeId = new Change.Id(Integer.parseInt(e.change.number)); |
| PatchSet.Id psId = new PatchSet.Id(changeId, |
| Integer.parseInt(e.patchSet.number)); |
| PatchSet ps = reviewDb.patchSets().get(psId); |
| if (ps == null) { |
| log.warn("Patch set " + psId.get() + " not found."); |
| return; |
| } |
| |
| final Change change = reviewDb.changes().get(psId.getParentKey()); |
| if (change == null) { |
| log.warn("Change " + changeId.get() + " not found."); |
| return; |
| } |
| |
| final Runnable task = reviewersFactory.create(change, reviewers); |
| |
| workQueue.getDefaultQueue().submit(new Runnable() { |
| public void run() { |
| RequestContext old = tl.setContext(new RequestContext() { |
| |
| @Override |
| public CurrentUser getCurrentUser() { |
| return identifiedUserFactory.create(change.getOwner()); |
| } |
| |
| @Override |
| public Provider<ReviewDb> getReviewDbProvider() { |
| return new Provider<ReviewDb>() { |
| @Override |
| public ReviewDb get() { |
| if (db == null) { |
| try { |
| db = schemaFactory.open(); |
| } catch (OrmException e) { |
| throw new ProvisionException("Cannot open ReviewDb", e); |
| } |
| } |
| return db; |
| } |
| }; |
| } |
| }); |
| try { |
| task.run(); |
| } finally { |
| tl.setContext(old); |
| if (db != null) { |
| db.close(); |
| db = null; |
| } |
| } |
| } |
| }); |
| } catch (OrmException x) { |
| log.error(x.getMessage(), x); |
| } finally { |
| reviewDb.close(); |
| } |
| } catch (OrmException x) { |
| log.error(x.getMessage(), x); |
| } finally { |
| rw.release(); |
| git.close(); |
| } |
| } |
| |
| private Set<Account> reviewers(String[] list, Project.NameKey p, |
| String uploaderEMail) { |
| if (list == null || list.length == 0) { |
| return Collections.emptySet(); |
| } |
| Set<Account> reviewers = Sets.newHashSetWithExpectedSize(list.length); |
| GroupMembers groupMembers = null; |
| for (String r : list) { |
| try { |
| Account account = accountResolver.find(r); |
| if (account != null) { |
| reviewers.add(account); |
| continue; |
| } |
| if (groupMembers == null) { |
| groupMembers = |
| groupMembersFactory.create(identifiedUserFactory.create(Iterables |
| .getOnlyElement(byEmailCache.get(uploaderEMail)))); |
| } |
| reviewers.addAll(groupMembers.listAccounts(groupsCollection.get() |
| .parseInternal(r).getGroupUUID(), p)); |
| } catch (Exception e) { |
| log.warn("Cannot resolve reviewer: " + r, e); |
| } |
| } |
| return reviewers; |
| } |
| } |