ResponsesReport.java

Go to the documentation of this file.

/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2023 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.admin;
 
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.function.BiConsumer;
import org.turro.action.IMailSender;
import org.turro.action.MailSenders;
import org.turro.auth.Authentication;
import org.turro.collections.CumulativeList;
import org.turro.elephant.context.ElephantContext;
import org.turro.exporter.FieldsExporter;
import org.turro.html.HtmlContent;
import org.turro.i18n.I_;
import org.turro.log.WebLoggers;
import org.turro.message.MessageQueue;
import org.turro.plugin.contacts.IContact;
import org.turro.sql.SqlClause;
import org.turro.students.db.StudentsPU;
import org.turro.students.entities.Response;
 
public class ResponsesReport implements IAdminReport {
 
  @Override
  public boolean isInRole() {
    return Authentication.isAdministrator();
  }
 
  @Override
  public String getDescription() {
    return "Responses to challenges by student";
  }
 
  @Override
  public void generate() {
    IContact contact = Authentication.getIContact();
    MailSenders.getHeavy()
            .addContact(contact)
            .onStart(s -> MessageQueue.pushMessage(contact, I_.get("Report will be sent by email")))
            .onCancel(s -> MessageQueue.pushMessage(contact, I_.get("Task already running")))
            .onBuild(s -> studentsToCSV((IMailSender) s))
            .send(I_.get(getDescription()), I_.get(getDescription()));
  }
 
  private void studentsToCSV(IMailSender sender) {
    try {
      sender.onFinish(x -> sender.removeAttachments());
      File result = File.createTempFile("report", "_Responses.csv");
      FieldsExporter.of(getEntries()).export(result);
      sender.addAttachment(result);
      sender.onFinish(x -> sender.removeAttachments());
    } catch (IOException ex) {
      WebLoggers.severe(this).exception(ex).log();
    }
  }
  
  private List<StudentsEntry> getEntries() {
    BiConsumer<CumulativeList<ResponsesEntry>, Response> consumer = (l, r) -> {
      for(IContact student : r.getStudentList()) {
        ResponsesEntry e = new ResponsesEntry();
        e.challengeId = r.getChallenge().getId();
        e.creation = r.getCreation();
        e.challenge = r.getChallenge().getQuestion();
        e.student = student.getFullName();
        e.response = HtmlContent.plain(r.getText(), 255);
        l.add(e);
      }
    };
    return CumulativeList.of(ResponsesEntry.class)
            .forEachMultiCreate(SqlClause.select("r").from("Response r")
                    .dao(new StudentsPU())
                    .resultList(Response.class),
                    consumer).get();
  }
  
}