CourseChangeModuleDialogViewController.java example

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pyramus-master
package fi.otavanopisto.pyramus.views.courses;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import fi.internetix.smvc.SmvcRuntimeException;
import fi.internetix.smvc.controllers.PageRequestContext;
import fi.otavanopisto.pyramus.dao.DAOFactory;
import fi.otavanopisto.pyramus.dao.base.CurriculumDAO;
import fi.otavanopisto.pyramus.dao.base.EducationTypeDAO;
import fi.otavanopisto.pyramus.dao.base.SubjectDAO;
import fi.otavanopisto.pyramus.dao.courses.CourseDAO;
import fi.otavanopisto.pyramus.domainmodel.base.EducationType;
import fi.otavanopisto.pyramus.domainmodel.base.Subject;
import fi.otavanopisto.pyramus.domainmodel.courses.Course;
import fi.otavanopisto.pyramus.framework.PyramusStatusCode;
import fi.otavanopisto.pyramus.framework.PyramusViewController;
import fi.otavanopisto.pyramus.framework.UserRole;
import fi.otavanopisto.pyramus.util.StringAttributeComparator;

public class CourseChangeModuleDialogViewController extends PyramusViewController {

  public void process(PageRequestContext pageRequestContext) {
    CourseDAO courseDAO = DAOFactory.getInstance().getCourseDAO();
    SubjectDAO subjectDAO = DAOFactory.getInstance().getSubjectDAO();
    CurriculumDAO curriculumDAO = DAOFactory.getInstance().getCurriculumDAO();
    EducationTypeDAO educationTypeDAO = DAOFactory.getInstance().getEducationTypeDAO();
    
    Long courseId = pageRequestContext.getLong("course");
    if (courseId == null) {
      throw new SmvcRuntimeException(PyramusStatusCode.UNDEFINED, "Missing courseId parameter");
    }

    Course course = courseDAO.findById(courseId);
    
    List<EducationType> educationTypes = educationTypeDAO.listUnarchived();
    Collections.sort(educationTypes, new StringAttributeComparator("getName"));

    // Subjects
    Map<Long, List<Subject>> subjectsByEducationType = new HashMap<>();
    List<Subject> subjectsByNoEducationType = subjectDAO.listByEducationType(null);
    Collections.sort(subjectsByNoEducationType, new StringAttributeComparator("getName"));
    for (EducationType educationType : educationTypes) {
      List<Subject> subjectsOfType = subjectDAO.listByEducationType(educationType);
      if (subjectsOfType != null && !subjectsOfType.isEmpty()) {
        Collections.sort(subjectsOfType, new StringAttributeComparator("getName"));
        subjectsByEducationType.put(educationType.getId(), subjectsOfType);
      }
    }
    
    pageRequestContext.getRequest().setAttribute("educationTypes", educationTypes);
    pageRequestContext.getRequest().setAttribute("course", course);
    pageRequestContext.getRequest().setAttribute("curriculums", curriculumDAO.listUnarchived());
    pageRequestContext.getRequest().setAttribute("subjectsByNoEducationType", subjectsByNoEducationType);
    pageRequestContext.getRequest().setAttribute("subjectsByEducationType", subjectsByEducationType);
    
    pageRequestContext.setIncludeJSP("/templates/courses/changemodule.jsp");
  }

  public UserRole[] getAllowedRoles() {
    return new UserRole[] { UserRole.MANAGER, UserRole.STUDY_PROGRAMME_LEADER, UserRole.ADMINISTRATOR };
  }

}