Line data    Source code

       1             : // Copyright (C) 2022 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.restapi.change;
      16             : 
      17             : import static com.google.gerrit.server.project.ProjectCache.illegalState;
      18             : 
      19             : import com.google.gerrit.entities.Comment.Range;
      20             : import com.google.gerrit.entities.FixReplacement;
      21             : import com.google.gerrit.entities.PatchSet;
      22             : import com.google.gerrit.entities.Project;
      23             : import com.google.gerrit.extensions.common.ApplyProvidedFixInput;
      24             : import com.google.gerrit.extensions.common.EditInfo;
      25             : import com.google.gerrit.extensions.restapi.AuthException;
      26             : import com.google.gerrit.extensions.restapi.BadRequestException;
      27             : import com.google.gerrit.extensions.restapi.ResourceConflictException;
      28             : import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
      29             : import com.google.gerrit.extensions.restapi.Response;
      30             : import com.google.gerrit.extensions.restapi.RestModifyView;
      31             : import com.google.gerrit.server.change.RevisionResource;
      32             : import com.google.gerrit.server.edit.ChangeEdit;
      33             : import com.google.gerrit.server.edit.ChangeEditJson;
      34             : import com.google.gerrit.server.edit.ChangeEditModifier;
      35             : import com.google.gerrit.server.edit.CommitModification;
      36             : import com.google.gerrit.server.fixes.FixReplacementInterpreter;
      37             : import com.google.gerrit.server.git.GitRepositoryManager;
      38             : import com.google.gerrit.server.notedb.ChangeNotes;
      39             : import com.google.gerrit.server.permissions.PermissionBackendException;
      40             : import com.google.gerrit.server.project.InvalidChangeOperationException;
      41             : import com.google.gerrit.server.project.ProjectCache;
      42             : import com.google.gerrit.server.project.ProjectState;
      43             : import com.google.inject.Inject;
      44             : import com.google.inject.Singleton;
      45             : import java.io.IOException;
      46             : import java.util.List;
      47             : import java.util.stream.Collectors;
      48             : import org.eclipse.jgit.lib.Repository;
      49             : 
      50             : /** Applies a fix that is provided as part of the request body. */
      51             : @Singleton
      52             : public class ApplyProvidedFix implements RestModifyView<RevisionResource, ApplyProvidedFixInput> {
      53             :   private final GitRepositoryManager gitRepositoryManager;
      54             :   private final FixReplacementInterpreter fixReplacementInterpreter;
      55             :   private final ChangeEditModifier changeEditModifier;
      56             :   private final ChangeEditJson changeEditJson;
      57             :   private final ProjectCache projectCache;
      58             : 
      59             :   @Inject
      60             :   public ApplyProvidedFix(
      61             :       GitRepositoryManager gitRepositoryManager,
      62             :       FixReplacementInterpreter fixReplacementInterpreter,
      63             :       ChangeEditModifier changeEditModifier,
      64             :       ChangeEditJson changeEditJson,
      65         145 :       ProjectCache projectCache) {
      66         145 :     this.gitRepositoryManager = gitRepositoryManager;
      67         145 :     this.fixReplacementInterpreter = fixReplacementInterpreter;
      68         145 :     this.changeEditModifier = changeEditModifier;
      69         145 :     this.changeEditJson = changeEditJson;
      70         145 :     this.projectCache = projectCache;
      71         145 :   }
      72             : 
      73             :   @Override
      74             :   public Response<EditInfo> apply(
      75             :       RevisionResource revisionResource, ApplyProvidedFixInput applyProvidedFixInput)
      76             :       throws AuthException, BadRequestException, ResourceConflictException, IOException,
      77             :           ResourceNotFoundException, PermissionBackendException {
      78           2 :     if (applyProvidedFixInput == null) {
      79           1 :       throw new BadRequestException("applyProvidedFixInput is required");
      80             :     }
      81           2 :     if (applyProvidedFixInput.fixReplacementInfos == null) {
      82           2 :       throw new BadRequestException("applyProvidedFixInput.fixReplacementInfos is required");
      83             :     }
      84           1 :     Project.NameKey project = revisionResource.getProject();
      85           1 :     ProjectState projectState = projectCache.get(project).orElseThrow(illegalState(project));
      86           1 :     PatchSet patchSet = revisionResource.getPatchSet();
      87             : 
      88           1 :     ChangeNotes changeNotes = revisionResource.getNotes();
      89             : 
      90           1 :     List<FixReplacement> fixReplacements =
      91           1 :         applyProvidedFixInput.fixReplacementInfos.stream()
      92           1 :             .map(fix -> new FixReplacement(fix.path, new Range(fix.range), fix.replacement))
      93           1 :             .collect(Collectors.toList());
      94             : 
      95           1 :     try (Repository repository = gitRepositoryManager.openRepository(project)) {
      96           1 :       CommitModification commitModification =
      97           1 :           fixReplacementInterpreter.toCommitModification(
      98           1 :               repository, projectState, patchSet.commitId(), fixReplacements);
      99           1 :       ChangeEdit changeEdit =
     100           1 :           changeEditModifier.combineWithModifiedPatchSetTree(
     101             :               repository, changeNotes, patchSet, commitModification);
     102             : 
     103           1 :       return Response.ok(changeEditJson.toEditInfo(changeEdit, false));
     104           1 :     } catch (InvalidChangeOperationException e) {
     105           1 :       throw new ResourceConflictException(e.getMessage());
     106             :     }
     107             :   }
     108             : }