StudentUserActivity.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2021 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.user.activity;
 
import java.util.Date;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.Set;
import org.turro.elephant.db.WhereClause;
import org.turro.jpa.Dao;
import org.turro.plugin.contacts.IContact;
import org.turro.students.db.StudentsPU;
import org.turro.students.entities.Response;
 
@UserActivity
public class StudentUserActivity extends AbstractUserActivity {
 
  @Override
  protected Dao createDao() {
    return new StudentsPU();
  }
 
  @Override
  protected Set<ActivityType> getAllowed() {
    return EnumSet.of(ActivityType.ACTIVITY_CHANGE);
  }
 
  @Override
  protected Set<Activity> getActivity(IContact contact, Date from, Set<ActivityType> types) {
    Set<Activity> set = new HashSet<>();
    if(types.contains(ActivityType.ACTIVITY_CHANGE)) {
      set.addAll(getResponses(contact, from, types));
    }
    return set;
  }
 
  private Set<Activity> getResponses(IContact contact, Date from, Set<ActivityType> types) {
    WhereClause wc = new WhereClause();
    wc.addClause("select distinct p from Response p");
    wc.addClause("join p.studentIds sid");
    wc.addClause("where 1=1");
    if(from != null) {
      wc.addClause("and p.creation >= :date");
      wc.addNamedValue("date", from);
    }
    if(contact != null) {
      wc.addClause("and sid = :student");
      wc.addNamedValue("student", contact.getId());
    }
    wc.addClause("order by p.creation desc");
    Set<Activity> set = new HashSet<>();
    for(Response p : getDao().getResultList(Response.class, wc, 100)) {
      Activity activity = convertToActivity(types, p, contact.getId());
      if(activity != null) set.add(activity);
    }
    return set;
  }
 
  private Activity convertToActivity(Set<ActivityType> types, Response p, String idContact) {
    return new Activity(p.getCreation(), ActivityType.ACTIVITY_CHANGE, idContact, 
            StudentsPU.getObjectPath(p.getChallenge()), p);
  }
  
}