org.headsupdev.agile.app.files.BrowseScmService.java Source code

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Here is the source code for org.headsupdev.agile.app.files.BrowseScmService.java

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/*
 * HeadsUp Agile
 * Copyright 2009-2013 Heads Up Development Ltd.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.headsupdev.agile.app.files;

import org.headsupdev.agile.api.Manager;
import org.headsupdev.agile.api.Project;
import org.headsupdev.agile.api.service.ChangeSet;
import org.headsupdev.agile.api.service.ScmService;
import org.headsupdev.agile.storage.HibernateStorage;
import org.headsupdev.agile.storage.ScmChangeSet;
import org.hibernate.Query;
import org.hibernate.Session;

import java.util.Collections;
import java.util.LinkedList;
import java.util.List;

/**
 * An SCM service that provides access to data about file changes
 * <p/>
 * Created: 27/01/2012
 *
 * @author Andrew Williams
 * @since 1.0
 */
public class BrowseScmService implements ScmService {
    public ChangeSet getLastChange(Project project) {
        return getChangeSet(project, project.getRevision());
    }

    public ChangeSet getChangeSet(Project project, String revision) {
        Session session = ((HibernateStorage) Manager.getStorageInstance()).getHibernateSession();

        Query q = session.createQuery("from ScmChangeSet c where id.project = :project and id.name = :revision");
        q.setEntity("project", project);
        q.setString("revision", revision);

        return (ScmChangeSet) q.uniqueResult();
    }

    public List<ChangeSet> getChangesSinceRevision(String fromRevision, Project project) {
        return getChangesBetweenRevisions(fromRevision, null, project);
    }

    public List<ChangeSet> getChangesBetweenRevisions(String fromRevision, String toRevision, Project project) {
        ChangeSet from = getChangeSet(project, fromRevision);
        ChangeSet to = null;
        if (toRevision != null) {
            to = getChangeSet(project, toRevision);
        }

        List<ChangeSet> ret = new LinkedList<ChangeSet>();
        if (from == null || from.equals(to)) {
            return ret;
        }

        ChangeSet set = from.getNext();
        while (set != null) {
            ret.add(set);

            if (to != null && set.equals(to)) {
                break;
            }

            set = set.getNext();
        }

        // TODO issue:36 - the above list may not be accurate if to cannot be traced to from simply

        Collections.reverse(ret);
        return ret;
    }

    public void updateProject(Project project) {
        BrowseApplication.getUpdater().updateProject(project);
    }
}