org.headsupdev.agile.storage.issues.IssueHelper.java Source code

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Here is the source code for org.headsupdev.agile.storage.issues.IssueHelper.java

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/*
 * HeadsUp Agile
 * Copyright 2009-2012 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.storage.issues;

import org.headsupdev.agile.api.Manager;
import org.headsupdev.agile.api.Project;
import org.headsupdev.agile.storage.HibernateStorage;
import org.headsupdev.agile.storage.resource.ResourceManagerImpl;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;

import java.util.ArrayList;
import java.util.List;

/**
* TODO Add documentation
* <p/>
* Created: 27/04/2012
*
* @author roberthewitt
* @since 2.0-alpha-2
*/
public class IssueHelper {
    public static int getIssueCountForProject(Project project) {
        if (project == null) {
            return 0;
        }
        Session session = ((HibernateStorage) Manager.getStorageInstance()).getHibernateSession();
        Criteria criteria = session.createCriteria(Issue.class);
        criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
        criteria.add(Restrictions.eq("id.project", project));
        criteria.setProjection(Projections.count("id.project"));
        return ((Number) criteria.uniqueResult()).intValue();
    }

    public static int getIssueOpenCountForProject(Project project) {
        if (project == null) {
            return 0;
        }
        Session session = ((HibernateStorage) Manager.getStorageInstance()).getHibernateSession();
        Criteria criteria = session.createCriteria(Issue.class);
        criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
        criteria.add(Restrictions.lt("status", Issue.STATUS_RESOLVED));
        criteria.add(Restrictions.eq("id.project", project));
        criteria.setProjection(Projections.count("id.project"));
        return ((Number) criteria.uniqueResult()).intValue();
    }

    public static int getIssueReOpenedCountForProject(Project project) {
        if (project == null) {
            return 0;
        }
        Session session = ((HibernateStorage) Manager.getStorageInstance()).getHibernateSession();
        Criteria criteria = session.createCriteria(Issue.class);
        criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
        criteria.add(Restrictions.ge("reopened", 1));
        criteria.add(Restrictions.eq("id.project", project));
        criteria.setProjection(Projections.count("id.project"));
        return ((Number) criteria.uniqueResult()).intValue();
    }

    public static List<Issue> getOverworkedIssuesForMilestone(Milestone milestone) {
        if (milestone == null) {
            return new ArrayList<Issue>();
        }

        Session session = ((HibernateStorage) Manager.getStorageInstance()).getHibernateSession();
        Criteria criteria = session.createCriteria(Issue.class);
        criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
        criteria.add(Restrictions.lt("status", Issue.STATUS_RESOLVED));
        criteria.add(Restrictions.eq("milestone", milestone));

        return findOverworkedIssues(criteria.list());
    }

    private static List<Issue> findOverworkedIssues(List<Issue> issues) {
        ResourceManagerImpl resourceManager = ((HibernateStorage) Manager.getStorageInstance())
                .getResourceManager();

        List<Issue> overworkedIssues = new ArrayList<Issue>();
        for (Issue issue : issues) {
            if (resourceManager.isIssueMissingEstimate(issue)) {
                overworkedIssues.add(issue);
            }
        }

        return overworkedIssues;
    }
}