93 lines
3.6 KiB
Java
93 lines
3.6 KiB
Java
// Copyright (C) 2013 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.server.restapi.change;
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import static com.google.gerrit.extensions.conditions.BooleanCondition.and;
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import com.google.gerrit.extensions.common.Input;
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import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
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import com.google.gerrit.extensions.restapi.Response;
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import com.google.gerrit.extensions.restapi.RestApiException;
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import com.google.gerrit.extensions.webui.UiAction;
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import com.google.gerrit.reviewdb.client.Change;
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import com.google.gerrit.reviewdb.server.ReviewDb;
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import com.google.gerrit.server.change.ChangeResource;
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import com.google.gerrit.server.permissions.ChangePermission;
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import com.google.gerrit.server.permissions.PermissionBackend;
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import com.google.gerrit.server.permissions.PermissionBackendException;
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import com.google.gerrit.server.update.BatchUpdate;
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import com.google.gerrit.server.update.Order;
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import com.google.gerrit.server.update.RetryHelper;
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import com.google.gerrit.server.update.RetryingRestModifyView;
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import com.google.gerrit.server.update.UpdateException;
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import com.google.gerrit.server.util.time.TimeUtil;
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import com.google.inject.Inject;
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import com.google.inject.Provider;
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import com.google.inject.Singleton;
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@Singleton
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public class DeleteChange extends RetryingRestModifyView<ChangeResource, Input, Response<?>>
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implements UiAction<ChangeResource> {
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private final Provider<ReviewDb> db;
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private final Provider<DeleteChangeOp> opProvider;
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@Inject
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public DeleteChange(
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Provider<ReviewDb> db, RetryHelper retryHelper, Provider<DeleteChangeOp> opProvider) {
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super(retryHelper);
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this.db = db;
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this.opProvider = opProvider;
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}
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@Override
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protected Response<?> applyImpl(
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BatchUpdate.Factory updateFactory, ChangeResource rsrc, Input input)
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throws RestApiException, UpdateException, PermissionBackendException {
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if (!isChangeDeletable(rsrc.getChange().getStatus())) {
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throw new MethodNotAllowedException("delete not permitted");
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}
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rsrc.permissions().check(ChangePermission.DELETE);
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try (BatchUpdate bu =
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updateFactory.create(db.get(), rsrc.getProject(), rsrc.getUser(), TimeUtil.nowTs())) {
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Change.Id id = rsrc.getChange().getId();
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bu.setOrder(Order.DB_BEFORE_REPO);
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bu.addOp(id, opProvider.get());
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bu.execute();
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}
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return Response.none();
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}
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@Override
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public UiAction.Description getDescription(ChangeResource rsrc) {
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Change.Status status = rsrc.getChange().getStatus();
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PermissionBackend.ForChange perm = rsrc.permissions();
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return new UiAction.Description()
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.setLabel("Delete")
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.setTitle("Delete change " + rsrc.getId())
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.setVisible(and(isChangeDeletable(status), perm.testCond(ChangePermission.DELETE)));
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}
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private static boolean isChangeDeletable(Change.Status status) {
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if (status == Change.Status.MERGED) {
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// Merged changes should never be deleted.
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return false;
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}
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// New or abandoned changes can be deleted with the right permissions.
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return true;
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}
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}
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