DescribeItUtil.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 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.describeit;
 
import java.util.Collection;
import java.util.Date;
import org.turro.string.Strings;
import org.turro.callback.ChangedValue;
import org.turro.contacts.Contact;
import org.turro.contacts.DescribeIt;
import org.turro.contacts.db.ContactsPU;
import org.turro.entities.Entities;
import org.turro.jpa.Dao;
import org.turro.parser.wiki.WikiCompiler;
 
public class DescribeItUtil {
  
  public static final String DEFAULT_ID = "Default", DEFAULT_KEY = "Default";
 
  public static void addDescription(Object entity, String id, String description, Contact contact, ChangedValue changed) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      addDescription(path, id, description, contact, changed);
    }
  }
  
  public static void addDescription(String path, String id, String description, Contact contact, ChangedValue changed) {
    if(Strings.isBlank(id)) {
      id = DEFAULT_ID;
    }
    if(!Strings.isBlank(path) && !Strings.isBlank(description) && contact != null) {
      DescribeIt describeIt = description(id, path);
      Dao dao = new ContactsPU();
      if(describeIt != null) {
        if(describeIt.isContainsWiki()) {
          if(!description.equals(describeIt.getWiki())) {
            if(changed != null) {
              changed.onChange(describeIt.getWiki(), description);
            }
            describeIt.setWiki(description);
            describeIt.setBody(WikiCompiler.source(describeIt.getWiki()).html());
          }
        } else {
          if(!description.equals(describeIt.getBody())) {
            if(changed != null) {
              changed.onChange(describeIt.getBody(), description);
            }
            describeIt.setBody(description);
          }
        }
      } else {
        describeIt = new DescribeIt();
        describeIt.setDescribeId(id);
        describeIt.setCreator(contact);
        describeIt.setDateCreation(new Date());
        describeIt.setPath(path);
        if(describeIt.isContainsWiki()) {
          describeIt.setWiki(description);
          describeIt.setBody(WikiCompiler.source(describeIt.getWiki()).html());
        } else {
          describeIt.setBody(description);
        }
      }
      dao.saveObject(describeIt);
    }
  }
 
  public static void remove(String id) {
    Dao dao = new ContactsPU();
    dao.executeUpdate(
            " delete from DescribeIt c " +
            " where c.id = '" + id + "'"
            );
  }
 
  public static void remove(String path, String id) {
    Dao dao = new ContactsPU();
    dao.executeUpdate(
            " delete from DescribeIt c" +
            " where c.describeId = '" + id + "'" +
            " and c.path = '" + path + "'"
            );
  }
 
  public static Collection<DescribeIt> descriptions(Object entity) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      return descriptions(path);
    }
    return null;
  }
  
  public static Collection<DescribeIt> descriptions(String path) {
    Dao dao = new ContactsPU();
    return dao.getResultList(
            " select c from DescribeIt c " +
            " where path = ? " +
            " order by dateCreation ",
            new Object[] { path }
            );
  }
 
  public static Collection<DescribeIt> descriptions(String id, Object entity) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      return descriptions(id, path);
    }
    return null;
  }
  
  public static Collection<DescribeIt> descriptions(String id, String path) {
    Dao dao = new ContactsPU();
    return dao.getResultList(
            " select c from DescribeIt c " +
            " where path = ? " +
            " and describeId = ? " +
            " order by dateCreation ",
            new Object[] { path, id }
            );
  }
 
  public static DescribeIt description(String id, Object entity) {
    Collection<DescribeIt> list = descriptions(id, entity);
    if(list != null && !list.isEmpty()) {
      return list.iterator().next();
    }
    return null;
  }
  
  public static DescribeIt description(String id, String path) {
    Collection<DescribeIt> list = descriptions(id, path);
    if(list != null && !list.isEmpty()) {
      return list.iterator().next();
    }
    return null;
  }
  
  public static String descriptionString(String id, Object entity) {
    DescribeIt di = description(id, entity);
    return di != null ? di.getBody() : null;
  }
  
  public static String descriptionString(String id, String path) {
    DescribeIt di = description(id, path);
    return di != null ? di.getBody() : null;
  }
  
  public static Collection<DescribeIt> pending() {
    Dao dao = new ContactsPU();
    return dao.getResultList(
            " select c from DescribeIt c " +
            " where accepted = FALSE " +
            " order by dateCreation "
            );
  }
 
  public static long countPending() {
    Dao dao = new ContactsPU();
    return (Long) dao.getSingleResultOrNull(
            " select count(c) from DescribeIt c " +
            " where accepted = FALSE "
            );
  }
 
  public static long count() {
    Dao dao = new ContactsPU();
    return (Long) dao.getSingleResultOrNull(
            " select count(c) from DescribeIt c "
            );
  }
 
  public static long count(Object entity) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      return count(path);
    }
    return 0;
  }
  
  public static long count(String path) {
    Dao dao = new ContactsPU();
    Long count = (Long) dao.getSingleResultOrNull(
          " select count(c) from DescribeIt c " +
          " where path = ? " +
          " order by dateCreation desc ",
          new Object[] { path }
          );
    if(count != null) {
      return count;
    }
    return 0;
  }
 
  private DescribeItUtil() {
  }
 
}