/**
 * Yobi, Project Hosting SW
 *
 * Copyright 2013 NAVER Corp.
 * http://yobi.io
 *
 * @Author kjkmadness
 *
 * 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 playRepository.hooks;

import java.util.Collection;
import java.util.Date;

import models.Project;

import org.eclipse.jgit.transport.PostReceiveHook;
import org.eclipse.jgit.transport.ReceiveCommand;
import org.eclipse.jgit.transport.ReceivePack;

/**
 * project 가 마지막 업데이트된 시점 저장
 */
public class UpdateLastPushedDate implements PostReceiveHook {
    private Project project;

    public UpdateLastPushedDate(Project project) {
        this.project = project;
    }

    @Override
    public void onPostReceive(ReceivePack receivePack, Collection<ReceiveCommand> commands) {
        project.lastPushedDate = new Date();
        project.save();
    }
}

/**
 * Yobi, Project Hosting SW
 *
 * Copyright 2013 NAVER Corp.
 * http://yobi.io
 *
 * @Author kjkmadness
 *
 * 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 playRepository.hooks;

import java.util.Collection;
import java.util.Date;

import models.Project;

import org.eclipse.jgit.transport.PostReceiveHook;
import org.eclipse.jgit.transport.ReceiveCommand;
import org.eclipse.jgit.transport.ReceivePack;

/**
 * project 가 마지막 업데이트된 시점 저장
 */
public class UpdateLastPushedDate implements PostReceiveHook {
    private Project project;

    public UpdateLastPushedDate(Project project) {
        this.project = project;
    }

    @Override
    public void onPostReceive(ReceivePack receivePack, Collection<ReceiveCommand> commands) {
        synchronized(project) {
            project.refresh();
            project.lastPushedDate = new Date();
            project.save();
        }
    }
}

Fix blocking if users push simultaneously
git: Fix blocking if users push simultaneously

If many git clients push commits into same repository simultaneously,
many of them are blocked because of project table's
OptimisticLockException.

Solution:
* Refresh the project before update it.
* Use synchronized block.
