InlineEdit: Add POST /changes/<id>/rebase_edit REST endpoint

Add REST endpoint to rebase change edit on latest patch set. Change-Id: If99d3a61375b90577b5cff0e09ff4cc24412cafd
2014-08-16 02:19:13 +02:00
parent e9988f9d00
commit 46999d2aa1
4 changed files with 178 additions and 0 deletions
--- a/gerrit-server/src/main/java/com/google/gerrit/server/change/RebaseChangeEdit.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/change/RebaseChangeEdit.java
@@ -0,0 +1,117 @@
+// Copyright (C) 2014 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.change;
+
+import com.google.common.base.Optional;
+import com.google.gerrit.extensions.registration.DynamicMap;
+import com.google.gerrit.extensions.restapi.AcceptsPost;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.ChildCollection;
+import com.google.gerrit.extensions.restapi.IdString;
+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.RestApiException;
+import com.google.gerrit.extensions.restapi.RestModifyView;
+import com.google.gerrit.extensions.restapi.RestView;
+import com.google.gerrit.reviewdb.client.PatchSet;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.edit.ChangeEdit;
+import com.google.gerrit.server.edit.ChangeEditModifier;
+import com.google.gerrit.server.edit.ChangeEditUtil;
+import com.google.gerrit.server.project.InvalidChangeOperationException;
+import com.google.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+
+import java.io.IOException;
+
+@Singleton
+public class RebaseChangeEdit implements
+    ChildCollection<ChangeResource, ChangeEditResource>,
+    AcceptsPost<ChangeResource> {
+
+  private final Rebase rebase;
+
+  @Inject
+  RebaseChangeEdit(Rebase rebase) {
+    this.rebase = rebase;
+  }
+
+  @Override
+  public DynamicMap<RestView<ChangeEditResource>> views() {
+    throw new IllegalStateException("not yet implemented");
+  }
+
+  @Override
+  public RestView<ChangeResource> list() {
+    throw new IllegalStateException("not yet implemented");
+  }
+
+  @Override
+  public ChangeEditResource parse(ChangeResource parent, IdString id)
+      throws ResourceNotFoundException, Exception {
+    throw new IllegalStateException("not yet implemented");
+  }
+
+  @SuppressWarnings("unchecked")
+  @Override
+  public Rebase post(ChangeResource parent) throws RestApiException {
+    return rebase;
+  }
+
+  @Singleton
+  public static class Rebase implements RestModifyView<ChangeResource, Publish.Input> {
+    public static class Input {
+    }
+
+    private final ChangeEditModifier editModifier;
+    private final ChangeEditUtil editUtil;
+    private final Provider<ReviewDb> db;
+
+    @Inject
+    Rebase(ChangeEditModifier editModifier,
+        ChangeEditUtil editUtil,
+        Provider<ReviewDb> db) {
+      this.editModifier = editModifier;
+      this.editUtil = editUtil;
+      this.db = db;
+    }
+
+    @Override
+    public Response<?> apply(ChangeResource rsrc, Publish.Input in)
+        throws AuthException, ResourceConflictException, IOException,
+        InvalidChangeOperationException, OrmException {
+      Optional<ChangeEdit> edit = editUtil.byChange(rsrc.getChange());
+      if (!edit.isPresent()) {
+        throw new ResourceConflictException(String.format(
+            "no edit exists for change %s",
+            rsrc.getChange().getChangeId()));
+      }
+
+      PatchSet current = db.get().patchSets().get(
+          rsrc.getChange().currentPatchSetId());
+      if (current.getId().equals(edit.get().getBasePatchSet().getId())) {
+        throw new ResourceConflictException(String.format(
+            "edit for change %s is already on latest patch set: %s",
+            rsrc.getChange().getChangeId(),
+            current.getId()));
+      }
+      editModifier.rebaseEdit(edit.get(), current);
+      return Response.none();
+    }
+  }
+}