AcceptanceUtil.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * 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.turro.acceptance;
 
import java.util.Date;
import java.util.List;
import javax.persistence.NoResultException;
import org.turro.action.AcceptanceStatus;
import org.turro.contacts.Acceptance;
import org.turro.contacts.Contact;
import org.turro.contacts.db.ContactsPU;
import org.turro.jpa.Dao;
import org.turro.plugin.contacts.IContact;
 
public class AcceptanceUtil {
 
  public static boolean isAccepted(String path) {
    List<Acceptance> list = getAcceptances(path);
    if(list.isEmpty()) return false;
    for(Acceptance a : list) {
      if(a.getDateAcceptance() == null) {
        return false;
      }
    }
    return true;
  }
 
  public static boolean isBlocked(String path) {
    List<Acceptance> list = getAcceptances(path);
    return !list.isEmpty();
  }
 
  public static AcceptanceStatus getStatusFor(String path, IContact contact) {
    return getStatusFor(path, (Contact) contact.getContact());
  }
 
  public static AcceptanceStatus getStatusFor(String path, Contact contact) {
    List<Acceptance> list = getAcceptances(path);
    if(list.isEmpty()) {
      return AcceptanceStatus.NONE_EXISTS;
    }
    boolean accepted = false, pending = false;
    AcceptanceStatus selfStatus = null;
    for(Acceptance a : list) {
      if(a.getDateAcceptance() != null) {
        accepted = true;
        if(a.getContact().getId().equals(contact.getId())) {
          selfStatus = AcceptanceStatus.SELF_ACCEPTED;
        }
      } else {
        pending = true;
        if(a.getContact().getId().equals(contact.getId())) {
          selfStatus = AcceptanceStatus.SELF_PENDING;
        }
      }
    }
    if(accepted) {
      if(pending) {
        return selfStatus == null ? AcceptanceStatus.SOME_PENDING : selfStatus;
      } else {
        return AcceptanceStatus.FULLY_ACCEPTED;
      }
    } else {
      return selfStatus == null ? AcceptanceStatus.FULLY_PENDING : selfStatus;
    }
  }
 
  public static List<Acceptance> getAcceptances(String path) {
    Dao dao = new ContactsPU();
    return dao.getResultList(
            "select a from Acceptance a " +
            "where a.path = ?",
            new Object[] {
              path
            });
  }
 
  public static List<Acceptance> getPendingAcceptances(IContact contact) {
    return getPendingAcceptances((Contact) contact.getContact());
  }
  
  public static List<Acceptance> getPendingAcceptances(Contact contact) {
    Dao dao = new ContactsPU();
    return dao.getResultList(
            "select a from Acceptance as a " +
            "where a.contact = ? " +
            "and a.dateAcceptance is null",
            new Object[] {
              contact
            });
  }
 
  public static List<Acceptance> getPendingRequests(IContact contact) {
    return getPendingRequests((Contact) contact.getContact());
  }
  
  public static List<Acceptance> getPendingRequests(Contact contact) {
    Dao dao = new ContactsPU();
    return dao.getResultList(
            "select a from Acceptance as a " +
            "where a.petitioner = ? " +
            "and a.dateAcceptance is null",
            new Object[] {
              contact
            });
  }
 
  public static Acceptance accept(Acceptance a) {
    return accept(a.getPetitioner(), a.getContact(), a.getPath(), null);
  }
 
  public static Acceptance accept(IContact petitioner, IContact contact, String path, String comment) {
    return accept((Contact) petitioner.getContact(), (Contact) contact.getContact(), path, comment);
  }
  
  public static Acceptance accept(Contact petitioner, Contact contact, String path, String comment) {
    Dao dao = new ContactsPU();
    Acceptance a = null;
    try {
      a = (Acceptance) dao.getSingleResult(
              "select a from Acceptance as a " +
              "where a.contact = ? " +
              "and a.petitioner = ? " +
              "and a.path = ? " +
              "and a.dateAcceptance is null",
              new Object[] {
                contact, petitioner, path
              });
      if(comment != null) {
        a.setAcceptanceComment(a.getAcceptanceComment() + "\n" + comment);
      }
      a.setDateAcceptance(new Date());
      a = dao.saveObject(a);
    } catch(NoResultException ex) {
    }
    return a;
  }
 
  public static Acceptance request(IContact petitioner, IContact contact, String path, String comment) {
    return request((Contact) petitioner.getContact(), (Contact) contact.getContact(), path, comment);
  }
 
  public static Acceptance request(Contact petitioner, Contact contact, String path, String comment) {
    Dao dao = new ContactsPU();
    Acceptance a = null;
    try {
      a = (Acceptance) dao.getSingleResult(
              "select a from Acceptance as a " +
              "where a.contact = ? " +
              "and a.petitioner = ? " +
              "and a.path = ?",
              new Object[] {
                contact, petitioner, path
              });
      if(comment != null) {
        a.setAcceptanceComment(a.getAcceptanceComment() + "\n" + comment);
      }
      a = dao.saveObject(a);
    } catch(NoResultException ex) {
      a = new Acceptance();
      a.setAcceptanceComment(comment);
      a.setPetitioner(petitioner);
      a.setContact(contact);
      a.setDateRequest(new Date());
      a.setPath(path);
      a = dao.saveObject(a);
    }
    return a;
  }
 
  public static void delete(IContact contact, String path) {
    delete((Contact) contact.getContact(), path);
  }
 
  public static void delete(Contact contact, String path) {
    Dao dao = new ContactsPU();
    dao.executeUpdate(
            "delete from Acceptance " +
            "where contact = ? " +
            "and path = ?",
            new Object[] {
              contact, path
            });
  }
 
  private AcceptanceUtil() {
  }
 
}