| // Copyright (C) 2019 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.server.project.ProjectCache.illegalState; |
| import static java.util.stream.Collectors.groupingBy; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.ImmutableList; |
| import com.google.gerrit.common.data.PatchScript; |
| import com.google.gerrit.entities.Change; |
| import com.google.gerrit.entities.FixReplacement; |
| import com.google.gerrit.entities.PatchSet; |
| import com.google.gerrit.extensions.client.DiffPreferencesInfo; |
| import com.google.gerrit.extensions.common.DiffInfo; |
| import com.google.gerrit.extensions.common.DiffWebLinkInfo; |
| import com.google.gerrit.extensions.common.WebLinkInfo; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.ResourceConflictException; |
| import com.google.gerrit.extensions.restapi.ResourceNotFoundException; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.extensions.restapi.RestReadView; |
| import com.google.gerrit.server.change.FixResource; |
| import com.google.gerrit.server.diff.DiffInfoCreator; |
| import com.google.gerrit.server.diff.DiffSide; |
| import com.google.gerrit.server.diff.DiffSide.Type; |
| import com.google.gerrit.server.diff.DiffWebLinksProvider; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.git.LargeObjectException; |
| import com.google.gerrit.server.notedb.ChangeNotes; |
| import com.google.gerrit.server.patch.PatchScriptFactoryForAutoFix; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.gerrit.server.project.InvalidChangeOperationException; |
| import com.google.gerrit.server.project.NoSuchChangeException; |
| import com.google.gerrit.server.project.ProjectCache; |
| import com.google.gerrit.server.project.ProjectState; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.eclipse.jgit.lib.Repository; |
| |
| @Singleton |
| public class GetFixPreview implements RestReadView<FixResource> { |
| |
| private final ProjectCache projectCache; |
| private final GitRepositoryManager repoManager; |
| private final PatchScriptFactoryForAutoFix.Factory patchScriptFactoryFactory; |
| |
| @Inject |
| GetFixPreview( |
| ProjectCache projectCache, |
| GitRepositoryManager repoManager, |
| PatchScriptFactoryForAutoFix.Factory patchScriptFactoryFactory) { |
| this.projectCache = projectCache; |
| this.repoManager = repoManager; |
| this.patchScriptFactoryFactory = patchScriptFactoryFactory; |
| } |
| |
| @Override |
| public Response<Map<String, DiffInfo>> apply(FixResource resource) |
| throws PermissionBackendException, ResourceNotFoundException, ResourceConflictException, |
| AuthException, IOException, InvalidChangeOperationException { |
| Map<String, DiffInfo> result = new HashMap<>(); |
| PatchSet patchSet = resource.getRevisionResource().getPatchSet(); |
| ChangeNotes notes = resource.getRevisionResource().getNotes(); |
| Change change = notes.getChange(); |
| ProjectState state = |
| projectCache.get(change.getProject()).orElseThrow(illegalState(change.getProject())); |
| Map<String, List<FixReplacement>> fixReplacementsPerFilePath = |
| resource.getFixReplacements().stream() |
| .collect(groupingBy(fixReplacement -> fixReplacement.path)); |
| try { |
| try (Repository git = repoManager.openRepository(notes.getProjectName())) { |
| for (Map.Entry<String, List<FixReplacement>> entry : |
| fixReplacementsPerFilePath.entrySet()) { |
| String fileName = entry.getKey(); |
| DiffInfo diffInfo = |
| getFixPreviewForSingleFile( |
| git, patchSet, state, notes, fileName, ImmutableList.copyOf(entry.getValue())); |
| result.put(fileName, diffInfo); |
| } |
| } |
| } catch (NoSuchChangeException e) { |
| throw new ResourceNotFoundException(e.getMessage(), e); |
| } catch (LargeObjectException e) { |
| throw new ResourceConflictException(e.getMessage(), e); |
| } |
| return Response.ok(result); |
| } |
| |
| private DiffInfo getFixPreviewForSingleFile( |
| Repository git, |
| PatchSet patchSet, |
| ProjectState state, |
| ChangeNotes notes, |
| String fileName, |
| ImmutableList<FixReplacement> fixReplacements) |
| throws PermissionBackendException, AuthException, LargeObjectException, |
| InvalidChangeOperationException, IOException, ResourceNotFoundException { |
| PatchScriptFactoryForAutoFix psf = |
| patchScriptFactoryFactory.create( |
| git, notes, fileName, patchSet, fixReplacements, DiffPreferencesInfo.defaults()); |
| PatchScript ps = psf.call(); |
| |
| DiffSide sideA = |
| DiffSide.create( |
| ps.getFileInfoA(), |
| MoreObjects.firstNonNull(ps.getOldName(), ps.getNewName()), |
| Type.SIDE_A); |
| DiffSide sideB = DiffSide.create(ps.getFileInfoB(), ps.getNewName(), DiffSide.Type.SIDE_B); |
| |
| DiffInfoCreator diffInfoCreator = |
| new DiffInfoCreator(state, new DiffWebLinksProviderImpl(), true); |
| return diffInfoCreator.create(ps, sideA, sideB); |
| } |
| |
| private static class DiffWebLinksProviderImpl implements DiffWebLinksProvider { |
| |
| @Override |
| public ImmutableList<DiffWebLinkInfo> getDiffLinks() { |
| return ImmutableList.of(); |
| } |
| |
| @Override |
| public ImmutableList<WebLinkInfo> getFileWebLinks(Type fileInfoType) { |
| return ImmutableList.of(); |
| } |
| } |
| } |