WorthDefinition.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2017 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.dossier.entity;
 
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.TreeSet;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.ManyToOne;
import org.turro.string.ObjectString;
import org.turro.string.Strings;
import org.turro.dossier.www.WorthPair;
import org.turro.jpa.entity.IDaoEntity;
 
@Entity
public class WorthDefinition implements java.io.Serializable, IDaoEntity {
 
  @Id
  @GeneratedValue(strategy=GenerationType.IDENTITY)
  @Column(name="IDENTIFIER")
  private Long id;
  
  private String title, possibleValues, colors, grouping; 
  
  @Lob
  @Column(length=4096)
  private String description;
  
  @ManyToOne
  private Category category;
 
  public Long getId() {
    return id;
  }
 
  public void setId(Long id) {
    this.id = id;
  }
 
  public String getTitle() {
    return title;
  }
 
  public void setTitle(String title) {
    this.title = title;
  }
 
  public String getPossibleValues() {
    return possibleValues;
  }
 
  public void setPossibleValues(String possibleValues) {
    this.possibleValues = possibleValues;
  }
 
  public String getColors() {
    return colors;
  }
 
  public void setColors(String colors) {
    this.colors = colors;
  }
 
  public String getGrouping() {
    return grouping;
  }
 
  public void setGrouping(String grouping) {
    this.grouping = grouping;
  }
 
  public String getDescription() {
    return description;
  }
 
  public void setDescription(String description) {
    this.description = description;
  }
 
  public Category getCategory() {
    return category;
  }
 
  public void setCategory(Category category) {
    this.category = category;
  }
 
  public Dossier getDossier() {
    return _dossier;
  }
 
  public void setDossier(Dossier _dossier) {
    this._dossier = _dossier;
  }
  
  /* Value helpers */
  
  transient List<WorthValue> _values;
  transient Dossier _dossier;
  
  public void assignDossier(Dossier dossier) {
    _dossier = dossier;
  }
  
  public Dossier getAssignedDossier() {
    return _dossier;
  }
  
  public double getWorthTotal() {
    double total = 0.0;
    for(WorthValue v : getWorthValues()) {
      total += v.getValue();
    }
    return total;
  }
 
  public List<WorthValue> getWorthValues() {
    if(_values == null) {
      _values = new ArrayList<>();
      for(WorthValue v : _dossier.getWorths()) {
        if(Objects.equals(v.getWorthDefinition().getId(), id)) {
          _values.add(v);
        }
      }
    }
    return _values;
  }
 
  public Double getWorthAvg() {
    if(getWorthValues().size() > 0) {
      Double total = 0.0;
      for(WorthValue v : getWorthValues()) {
        total += v.getValue();
      }
      return total / getWorthValues().size();
    }
    return 0.0;
  }
 
  public WorthPair getRangeResult() {
    Double avg = getWorthAvg();
    Set<WorthPair> set = getRangeValues();
    if(set.size() > 0) {
      for(WorthPair wp : set) {
        if(wp.getValue() >= avg) {
          return wp;
        }
      }
    }
    return null;
  }
 
  /* IDaoEntity */
  
  @Override
  public Object entityId() {
    return id;
  }
 
  @Override
  public boolean isEmpty() {
    return Strings.isBlank(title) || Strings.isBlank(possibleValues);
  }
  
  /* Helpers */
 
  public List<WorthPair> getPairValues() {
    List<WorthPair> list = new ArrayList<>();
    String[] sa = possibleValues.split(",");
    String[] co = colors.split(",");
    if(sa.length == co.length) {
      for(int i = 0; i < sa.length; i++) {
        list.add(new WorthPair((Double) ObjectString.parseString(sa[i], Double.class, true), co[i]));
      }
    }
    return list;
  }
 
  public Set<WorthPair> getRangeValues() {
    TreeSet<WorthPair> set = new TreeSet<>();
    List<WorthPair> pairs = getPairValues();
    Double diff = null;
    WorthPair prev = null;
    for(WorthPair wp : pairs) {
      if(prev != null) {
        diff = diff == null ? wp.getValue() - prev.getValue() : Math.min(wp.getValue() - prev.getValue(), diff);
      }
      prev = wp;
    }
    for(WorthPair wp : pairs) {
      set.add(new WorthPair(wp.getValue() + (diff / 2.0), wp.getColor()));
    }
    
//    if(pairs.size() > 1) {
//      WorthPair prev = pairs.get(0);
//      WorthPair last = pairs.get(pairs.size() - 1);
//      for(int i = 1; i < pairs.size(); i++) {
//        WorthPair current = pairs.get(i);
//        Double diff = current.getValue() - prev.getValue();
//        set.add(new WorthPair((diff / 3.0) + prev.getValue(), prev.getColor()));
//        prev = current;
//      }
//      set.add(new WorthPair(last.getValue(), last.getColor()));
//    }
    return set;
  }
 
}