| // Copyright (C) 2012 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.Strings; |
| import com.google.gerrit.common.TimeUtil; |
| import com.google.gerrit.extensions.api.changes.RestoreInput; |
| import com.google.gerrit.extensions.common.ChangeInfo; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.ResourceConflictException; |
| import com.google.gerrit.extensions.restapi.RestApiException; |
| import com.google.gerrit.extensions.restapi.RestModifyView; |
| import com.google.gerrit.extensions.webui.UiAction; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.Change.Status; |
| import com.google.gerrit.reviewdb.client.ChangeMessage; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.ChangeMessagesUtil; |
| import com.google.gerrit.server.ChangeUtil; |
| import com.google.gerrit.server.PatchSetUtil; |
| import com.google.gerrit.server.extensions.events.ChangeRestored; |
| import com.google.gerrit.server.git.BatchUpdate; |
| import com.google.gerrit.server.git.BatchUpdate.ChangeContext; |
| import com.google.gerrit.server.git.BatchUpdate.Context; |
| import com.google.gerrit.server.git.UpdateException; |
| import com.google.gerrit.server.mail.ReplyToChangeSender; |
| import com.google.gerrit.server.mail.RestoredSender; |
| import com.google.gerrit.server.notedb.ChangeUpdate; |
| import com.google.gerrit.server.project.ChangeControl; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.Singleton; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Singleton |
| public class Restore implements RestModifyView<ChangeResource, RestoreInput>, |
| UiAction<ChangeResource> { |
| private static final Logger log = LoggerFactory.getLogger(Restore.class); |
| |
| private final RestoredSender.Factory restoredSenderFactory; |
| private final Provider<ReviewDb> dbProvider; |
| private final ChangeJson.Factory json; |
| private final ChangeMessagesUtil cmUtil; |
| private final PatchSetUtil psUtil; |
| private final BatchUpdate.Factory batchUpdateFactory; |
| private final ChangeRestored changeRestored; |
| |
| @Inject |
| Restore(RestoredSender.Factory restoredSenderFactory, |
| Provider<ReviewDb> dbProvider, |
| ChangeJson.Factory json, |
| ChangeMessagesUtil cmUtil, |
| PatchSetUtil psUtil, |
| BatchUpdate.Factory batchUpdateFactory, |
| ChangeRestored changeRestored) { |
| this.restoredSenderFactory = restoredSenderFactory; |
| this.dbProvider = dbProvider; |
| this.json = json; |
| this.cmUtil = cmUtil; |
| this.psUtil = psUtil; |
| this.batchUpdateFactory = batchUpdateFactory; |
| this.changeRestored = changeRestored; |
| } |
| |
| @Override |
| public ChangeInfo apply(ChangeResource req, RestoreInput input) |
| throws RestApiException, UpdateException, OrmException { |
| ChangeControl ctl = req.getControl(); |
| if (!ctl.canRestore(dbProvider.get())) { |
| throw new AuthException("restore not permitted"); |
| } |
| |
| Op op = new Op(input); |
| try (BatchUpdate u = batchUpdateFactory.create(dbProvider.get(), |
| req.getChange().getProject(), ctl.getUser(), TimeUtil.nowTs())) { |
| u.addOp(req.getId(), op).execute(); |
| } |
| return json.create(ChangeJson.NO_OPTIONS).format(op.change); |
| } |
| |
| private class Op extends BatchUpdate.Op { |
| private final RestoreInput input; |
| |
| private Change change; |
| private PatchSet patchSet; |
| private ChangeMessage message; |
| |
| private Op(RestoreInput input) { |
| this.input = input; |
| } |
| |
| @Override |
| public boolean updateChange(ChangeContext ctx) throws OrmException, |
| ResourceConflictException { |
| change = ctx.getChange(); |
| if (change == null || change.getStatus() != Status.ABANDONED) { |
| throw new ResourceConflictException("change is " + status(change)); |
| } |
| PatchSet.Id psId = change.currentPatchSetId(); |
| ChangeUpdate update = ctx.getUpdate(psId); |
| patchSet = psUtil.get(ctx.getDb(), ctx.getNotes(), psId); |
| change.setStatus(Status.NEW); |
| change.setLastUpdatedOn(ctx.getWhen()); |
| update.setStatus(change.getStatus()); |
| |
| message = newMessage(ctx); |
| cmUtil.addChangeMessage(ctx.getDb(), update, message); |
| return true; |
| } |
| |
| private ChangeMessage newMessage(ChangeContext ctx) throws OrmException { |
| StringBuilder msg = new StringBuilder(); |
| msg.append("Restored"); |
| if (!Strings.nullToEmpty(input.message).trim().isEmpty()) { |
| msg.append("\n\n"); |
| msg.append(input.message.trim()); |
| } |
| |
| ChangeMessage message = new ChangeMessage( |
| new ChangeMessage.Key( |
| change.getId(), |
| ChangeUtil.messageUUID(ctx.getDb())), |
| ctx.getAccountId(), |
| ctx.getWhen(), |
| change.currentPatchSetId()); |
| message.setMessage(msg.toString()); |
| return message; |
| } |
| |
| @Override |
| public void postUpdate(Context ctx) throws OrmException { |
| try { |
| ReplyToChangeSender cm = |
| restoredSenderFactory.create(ctx.getProject(), change.getId()); |
| cm.setFrom(ctx.getAccountId()); |
| cm.setChangeMessage(message.getMessage(), ctx.getWhen()); |
| cm.send(); |
| } catch (Exception e) { |
| log.error("Cannot email update for change " + change.getId(), e); |
| } |
| changeRestored.fire(change, patchSet, |
| ctx.getAccount(), |
| Strings.emptyToNull(input.message), |
| ctx.getWhen()); |
| } |
| } |
| |
| @Override |
| public UiAction.Description getDescription(ChangeResource resource) { |
| boolean canRestore = false; |
| try { |
| canRestore = resource.getControl().canRestore(dbProvider.get()); |
| } catch (OrmException e) { |
| log.error("Cannot check canRestore status. Assuming false.", e); |
| } |
| return new UiAction.Description() |
| .setLabel("Restore") |
| .setTitle("Restore the change") |
| .setVisible(resource.getChange().getStatus() == Status.ABANDONED |
| && canRestore); |
| } |
| |
| private static String status(Change change) { |
| return change != null ? change.getStatus().name().toLowerCase() : "deleted"; |
| } |
| } |