Response.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2019 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.students.entities;
 
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.ManyToOne;
import javax.persistence.Temporal;
import org.turro.string.Strings;
import org.turro.action.Contacts;
import org.turro.jpa.entity.IDaoEntity;
import org.turro.parser.wiki.WikiCompiler;
import org.turro.plugin.contacts.ContactList;
import org.turro.plugin.contacts.IContact;
 
@Entity
public class Response implements java.io.Serializable, IDaoEntity {
 
  @Id
  @GeneratedValue(strategy=GenerationType.IDENTITY)
  @Column(name="IDENTIFIER")
  private Long id;
 
  @ManyToOne
  private Challenge challenge;
  
  @ElementCollection(fetch = FetchType.EAGER)
  private Set<String> studentIds = new HashSet<>();
 
  @Temporal(value = javax.persistence.TemporalType.TIMESTAMP)
  private java.util.Date creation;
  
  @Lob
  @Column(length=4096)
  private String text;
 
  @Lob
  @Column(length=4096)
  private String wikiText;
 
  public Long getId() {
    return id;
  }
 
  public void setId(Long id) {
    this.id = id;
  }
 
  public Challenge getChallenge() {
    return challenge;
  }
 
  public void setChallenge(Challenge challenge) {
    this.challenge = challenge;
  }
 
  public Set<String> getStudentIds() {
    return studentIds;
  }
 
  public void setStudentIds(Set<String> studentIds) {
    this.studentIds = studentIds;
  }
 
  public Date getCreation() {
    return creation;
  }
 
  public void setCreation(Date creation) {
    this.creation = creation;
  }
  
  public String getText() {
    return text;
  }
 
  public void setText(String text) {
    this.text = text;
  }
 
  public String getWikiText() {
    return wikiText;
  }
 
  public void setWikiText(String wikiText) {
    this.wikiText = wikiText;
    this.text = WikiCompiler.source(this.wikiText).html();
  }
 
  /* IDaoEntity */
  
  @Override
  public Object entityId() {
    return id;
  }
 
  @Override
  public boolean isEmpty() {
    return studentIds.isEmpty() || Strings.isBlank(text);
  }
 
  public List<IContact> getStudentList() {
    ContactList list = new ContactList();
    studentIds.forEach(idContact -> {
      list.add(Contacts.getContactById(idContact));
    });
    return list;
  }
  
  public void addStudent(IContact contact) {
    if(contact != null && contact.isValid()) {
      studentIds.add(contact.getId());
    }
  }
  
  public void removeStudent(IContact contact) {
    if(contact != null && contact.isValid()) {
      studentIds.remove(contact.getId());
    }
  }
  
}