| // Copyright (C) 2015 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.zuul; |
| |
| import com.google.gerrit.extensions.common.ChangeInfo; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.BadRequestException; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.extensions.restapi.RestReadView; |
| import com.google.gerrit.server.change.RevisionResource; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import com.googlesource.gerrit.plugins.zuul.util.DependsOnFetcher; |
| import com.googlesource.gerrit.plugins.zuul.util.NeededByFetcher; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.eclipse.jgit.errors.RepositoryNotFoundException; |
| |
| @Singleton |
| public class GetCrd implements RestReadView<RevisionResource> { |
| private final DependsOnFetcher dependsOnFetcher; |
| private final NeededByFetcher neededByFetcher; |
| |
| @Inject |
| GetCrd(DependsOnFetcher dependsOnFetcher, NeededByFetcher neededByFetcher) { |
| this.dependsOnFetcher = dependsOnFetcher; |
| this.neededByFetcher = neededByFetcher; |
| } |
| |
| @Override |
| public Response<CrdInfo> apply(RevisionResource rsrc) |
| throws RepositoryNotFoundException, IOException, BadRequestException, AuthException, |
| PermissionBackendException { |
| CrdInfo out = new CrdInfo(); |
| Pair<List<ChangeInfo>, List<String>> dependsOn = dependsOnFetcher.fetchForRevision(rsrc); |
| out.dependsOnFound = dependsOn.getLeft(); |
| out.dependsOnMissing = dependsOn.getRight(); |
| |
| out.neededBy = neededByFetcher.fetchForChangeKey(rsrc.getChange().getKey()); |
| |
| List<String> dependsOnAllKeys = new ArrayList<>(out.dependsOnMissing); |
| dependsOnAllKeys.addAll( |
| out.dependsOnFound.stream() |
| .map(changeInfo -> changeInfo.changeId) |
| .collect(Collectors.toList())); |
| |
| out.cycle = false; |
| for (ChangeInfo changeInfo : out.neededBy) { |
| if (dependsOnAllKeys.contains(changeInfo.changeId)) { |
| out.cycle = true; |
| break; |
| } |
| } |
| return Response.ok(out); |
| } |
| } |