CommonsUserActivity.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.ArrayList;
import java.util.Date;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.Set;
import org.turro.string.Strings;
import org.turro.elephant.db.ElephantPU;
import org.turro.elephant.db.WhereClause;
import org.turro.elephant.entities.db.EntityParticipation;
import org.turro.jpa.Dao;
import org.turro.participation.ParticipationReason;
import org.turro.path.Path;
import org.turro.plugin.contacts.IContact;
 
@UserActivity
public class CommonsUserActivity extends AbstractUserActivity {
 
  @Override
  protected Dao createDao() {
    return new ElephantPU();
  }
 
  @Override
  protected Set<ActivityType> getAllowed() {
    return EnumSet.of(ActivityType.ACTIVITY_FOLLOW, ActivityType.ACTIVITY_PARTICIPATE, 
            ActivityType.ACTIVITY_SEEN, ActivityType.ACTIVITY_SPAM, ActivityType.ACTIVITY_LIKE);
  }
 
  @Override
  protected Set<Activity> getActivity(IContact contact, Date from, Set<ActivityType> types) {
    Set<Activity> set = new HashSet<>();
    set.addAll(getParticipations(contact, from, types));
    return set;
  }
 
  private Set<Activity> getParticipations(IContact contact, Date from, Set<ActivityType> types) {
    EnumSet<ParticipationReason> reasons = EnumSet.noneOf(ParticipationReason.class);
    if(types.contains(ActivityType.ACTIVITY_FOLLOW)) reasons.add(ParticipationReason.REASON_FOLLOW);
    if(types.contains(ActivityType.ACTIVITY_PARTICIPATE)) {
      reasons.add(ParticipationReason.REASON_PARTICIPATE);
      reasons.add(ParticipationReason.REASON_APPLY);
      reasons.add(ParticipationReason.REASON_ADHERE);
    }
    if(types.contains(ActivityType.ACTIVITY_SEEN)) reasons.add(ParticipationReason.REASON_SEEN);
    if(types.contains(ActivityType.ACTIVITY_SPAM)) reasons.add(ParticipationReason.REASON_SPAM);
    if(types.contains(ActivityType.ACTIVITY_LIKE)) reasons.add(ParticipationReason.REASON_LIKE);
    WhereClause wc = new WhereClause();
    wc.addClause("select ep from EntityParticipation ep");
    wc.addIn("where", "ep.reason", new ArrayList(reasons));
    if(from != null) {
      wc.addClause("and ep.participationDate >= :date");
      wc.addNamedValue("date", from);
    }
    if(contact != null) {
      wc.addClause("and (");
      wc.addClause("ep.participatorPath = :participator");
      //TODO: Followed wc.addClause("or (ep.entityPath = :participator and ep.reason = :follow)");
      //wc.addNamedValue("follow", ParticipationReason.REASON_FOLLOW);
      wc.addNamedValue("participator", "/contact/" + contact.getId());
      wc.addClause(")");
    }
    wc.addClause("order by ep.participationDate desc");
    Set<Activity> set = new HashSet<>();
    for(EntityParticipation ep : getDao().getResultList(EntityParticipation.class, wc, 100)) {
      if(!Strings.isBlank(ep.getEntity().getName()) && !Strings.isBlank(ep.getEntity().getImage())) {
        Activity activity = convertToActivity(types, ep);
        if(activity != null && !Strings.isBlank(activity.getEntity().getName())) set.add(activity);
      }
    }
    return set;
  }
 
  private Activity convertToActivity(Set<ActivityType> types, EntityParticipation ep) {
    switch (ep.getReason()) {
      case REASON_FOLLOW:
        return new Activity(ep.getParticipationDate(), ActivityType.ACTIVITY_FOLLOW, Path.getIdentifier(ep.getParticipatorPath()), ep.getEntityPath(), ep);
      case REASON_PARTICIPATE:
        return new Activity(ep.getParticipationDate(), ActivityType.ACTIVITY_PARTICIPATE, Path.getIdentifier(ep.getParticipatorPath()), ep.getEntityPath(), ep);
      case REASON_SEEN:
        return new Activity(ep.getParticipationDate(), ActivityType.ACTIVITY_SEEN, Path.getIdentifier(ep.getParticipatorPath()), ep.getEntityPath(), ep);
      case REASON_SPAM:
        return new Activity(ep.getParticipationDate(), ActivityType.ACTIVITY_SPAM, Path.getIdentifier(ep.getParticipatorPath()), ep.getEntityPath(), ep);
      case REASON_LIKE:
        return new Activity(ep.getParticipationDate(), ActivityType.ACTIVITY_LIKE, Path.getIdentifier(ep.getParticipatorPath()), ep.getEntityPath(), ep);
      default:
        return null;
    }
  }
  
}