Subversion Repositories bacoAlunos

package pt.estgp.estgweb.domain.dao.impl;

import pt.estgp.estgweb.domain.CourseUnit;

import pt.estgp.estgweb.domain.Blog;

import pt.estgp.estgweb.domain.TeacherImpl;

import pt.estgp.estgweb.domain.CourseUnitImpl;

import pt.estgp.estgweb.domain.dao.DaoUtils;

import pt.estgp.estgweb.services.common.SearchTypeEnum;

import pt.estgp.estgweb.utils.DatesUtils;

import pt.estgp.estgweb.Globals;

import static org.hibernate.criterion.Restrictions.*;

import static org.hibernate.criterion.Restrictions.eq;

import org.hibernate.criterion.Criterion;

import org.hibernate.criterion.Order;

import org.hibernate.Criteria;

import org.hibernate.Query;

import org.hibernate.sql.JoinFragment;

import org.apache.log4j.Logger;

import java.util.List;

import java.util.Set;

/**

 * @author Jorge Machado

 * @date 28/Fev/2008

 * @time 2:51:06

 * @see pt.estgp.estgweb.domain.dao.impl

 */

public class CourseUnitDaoImpl extends CourseUnitDao

{

    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(CourseUnitDaoImpl.class);

    private CourseUnitDaoImpl()

    {

    }

    public static CourseUnitDaoImpl getInstance()

    {

        if (myInstance == null)

            myInstance = new CourseUnitDaoImpl();

        return (CourseUnitDaoImpl) myInstance;

    }

    public List<CourseUnit> loadBySigesCode(1.5.0/docs/api/java/lang/String.html">String sigesCode)

    {

        return createCriteria().add(eq("code", sigesCode)).list();

    }

    public List<CourseUnit> loadByCourse(long course, 1.5.0/docs/api/java/lang/String.html">String importYear)

    {

        return createCriteria().add(eq("importYear", importYear)).add(eq("course.id", course)).list();

    }

    public List<CourseUnit> load(1.5.0/docs/api/java/lang/String.html">String importYear, 1.5.0/docs/api/java/lang/String.html">String semestre)

    {

        return createCriteria().add(eq("importYear", importYear)).add(eq("semestre", semestre)).list();

    }

    public List<Long> loadIds(1.5.0/docs/api/java/lang/String.html">String importYear, 1.5.0/docs/api/java/lang/String.html">String semestre)

    {

        1.5.0/docs/api/javax/management/Query.html">Query q = createQuery("select c.id from c in class " + CourseUnit.class.getName() + " where c.importYear = ? and c.semestre = ?");

        q.setString(0, importYear);

        q.setString(1, semestre);

        return q.list();

    }

    public List<CourseUnit> loadSubscribedImportYearUnits(long studentId, 1.5.0/docs/api/java/lang/String.html">String importYear)

    {

        return createCriteria().add(eq("importYear", importYear))

                .createAlias("students", "st")

                .add(eq("st.id", studentId)).addOrder(Order.asc("name")).list();

    }

    public List<CourseUnit> loadSubscribedImportYearSemestreUnits(long studentId, 1.5.0/docs/api/java/lang/String.html">String importYear, 1.5.0/docs/api/java/lang/String.html">String semestre)

    {

        Criteria c  =createCriteria()

                .add(eq("importYear", importYear))

                .createAlias("students", "st")

                .add(eq("st.id", studentId));

        if(semestre != null)

            c.add(eq("semestre", semestre));

        return c.addOrder(Order.asc("name")).list();

    }

    public List<CourseUnit> loadSubscribedOtherImportYearUnits(long studentId, 1.5.0/docs/api/java/lang/String.html">String importYear)

    {

        return createCriteria().add(not(eq("importYear", importYear)))

                .createAlias("students", "st")

                .add(eq("st.id", studentId)).addOrder(Order.asc("name")).list();

    }

    public List<CourseUnitImpl> loadTeachedImportYearUnits(long teacherId, 1.5.0/docs/api/java/lang/String.html">String importYear)

    {

        return createCriteria().add(eq("importYear", importYear))

                .createAlias("teachers", "st")

                .add(eq("st.id", teacherId)).addOrder(Order.asc("importYear")).addOrder(Order.asc("name")).list();

    }

    public List<CourseUnit> loadTeachedImportYearSemestreUnits(long teacherId, 1.5.0/docs/api/java/lang/String.html">String importYear, 1.5.0/docs/api/java/lang/String.html">String semestre)

    {

        Criteria c  =createCriteria()

                .add(eq("importYear", importYear))

                .createAlias("teachers", "st")

                .add(eq("st.id", teacherId))

                .add(eq("st.id", teacherId));

        if(semestre != null)

            c.add(eq("semestre", semestre));

        return c.addOrder(Order.asc("name")).list();

    }

    public CourseUnit loadBySigesCodeUnique(1.5.0/docs/api/java/lang/String.html">String sigesCode)

    {

        return (CourseUnit) createCriteria().add(eq("code", sigesCode)).uniqueResult();

    }

    public CourseUnit loadBySigesCodeUnique(1.5.0/docs/api/java/lang/String.html">String sigesCode, 1.5.0/docs/api/java/lang/String.html">String courseCode)

    {

        return (CourseUnit) createCriteria().add(eq("code", sigesCode)).add(eq("courseCode", courseCode)).uniqueResult();

    }

    public CourseUnit loadBySigesCodeUniqueSubscribed(1.5.0/docs/api/java/lang/String.html">String sigesCode, 1.5.0/docs/api/java/lang/String.html">String year, 1.5.0/docs/api/java/lang/String.html">String courseCode, long studentId, 1.5.0/docs/api/java/lang/String.html">String semestre)

    {

        List<CourseUnit> cus = createCriteria()

                .add(eq("code", sigesCode))

                .add(eq("importYear", year))

                .add(eq("courseCode", courseCode))

                .add(eq("semestre", semestre))

                .createAlias("students", "st")

                .add(eq("st.id", studentId))

                .list();

        if (cus.size() > 1)

        {

            CourseUnit cu1 = cus.get(0);

            CourseUnit cu2 = cus.get(1);

            if (cus.size() > 2)

            {

                logger.error("CourseUnit in more than two places in a course:" + cu1.getCode());

            }

            else

            {

                if (cu1.getSemestre().equals("S1"))

                {

                    if (cu2.getSemestre().equals("S1"))

                        logger.error("CourseUnit in more than two places in a semestre:" + cu1.getCode());

                    else

                    {

                        return cu2;

                    }

                }

                else

                {

                    if (cu2.getSemestre().equals("S2"))

                        logger.error("CourseUnit in more than two places in a semestre:" + cu1.getCode());

                    else

                    {

                        return cu1;

                    }

                }

            }

        }

        else if (cus.size() == 1)

            return cus.get(0);

        return null;

    }

    public CourseUnit loadBySigesCodeUnique(1.5.0/docs/api/java/lang/String.html">String sigesCode, 1.5.0/docs/api/java/lang/String.html">String courseCode, 1.5.0/docs/api/java/lang/String.html">String semestre, 1.5.0/docs/api/java/lang/String.html">String year)

    {

        return (CourseUnit)

                createCriteria()

                        .add(eq("code", sigesCode))

                        .add(eq("courseCode", courseCode))

                        .add(eq("semestre", semestre))

                        .add(eq("importYear", year))

                        .uniqueResult();

    }

    public List<CourseUnit> loadCourseUnits(long courseId, 1.5.0/docs/api/java/lang/String.html">String semestre, 1.5.0/docs/api/java/lang/String.html">String year, boolean withTeacher, boolean withNoTeacher)

    {

        Criteria c = createCriteria();

        if(courseId > 0)

            c.add(eq("course.id", courseId));

        if(semestre != null && semestre.length() > 0)

            c.add(eq("semestre", semestre));

        if(year != null  && year.length() > 0)

            c.add(eq("importYear", year));

        if(withTeacher && !withNoTeacher)

        {

            c.createAlias("teachers", "th");

            c.add(isNotNull("th.id"));

        }

        else if(!withTeacher && withNoTeacher)

        {

            c.createAlias("teachers", "th", JoinFragment.LEFT_OUTER_JOIN);

            c.add(isNull("th.id"));

        }

        return c.list();

    }

    public int countCourseUnits(1.5.0/docs/api/java/lang/String.html">String query, SearchTypeEnum searchType)

    {

        Criterion c = DaoUtils.createSearchQuery(query, searchType, "objectives", "name");

        return createCriteria().add(c).list().size();

    }

    public List<CourseUnit> search(1.5.0/docs/api/java/lang/String.html">String query, SearchTypeEnum searchTypeEnum, int maxUnits, int page)

    {

        Criterion c = DaoUtils.createSearchQuery(query, searchTypeEnum, "objectives", "name");

        Criteria criteria = createCriteria();

        criteria.add(c)

                .addOrder(Order.asc("name"))

                .setMaxResults(maxUnits)

                .setFirstResult(page * maxUnits);

        return criteria.list();

    }

    public int countCourseUnitsActualYear(1.5.0/docs/api/java/lang/String.html">String query, SearchTypeEnum searchType)

    {

        Criterion c = DaoUtils.createSearchQuery(query, searchType, "objectives", "name");

        return createCriteria()

                .add(c)

                .add(eq("importYear", DatesUtils.getImportYear()))

                .list().size();

    }

    public List<CourseUnit> searchActualYear(1.5.0/docs/api/java/lang/String.html">String query, SearchTypeEnum searchTypeEnum, int maxUnits, int page)

    {

        Criterion c = DaoUtils.createSearchQuery(query, searchTypeEnum, "objectives", "name");

        Criteria criteria = createCriteria();

        criteria.add(c)

                .add(eq("importYear", DatesUtils.getImportYear()))

                .addOrder(Order.asc("name"))

                .setMaxResults(maxUnits)

                .setFirstResult(page * maxUnits);

        return criteria.list();

    }

    public List<CourseUnit> loadMissingObjectives(long teacherId)

    {

        //todo falta a projeccao do teacher id

        return createCriteria()

                .add(eq("importYear", DatesUtils.getImportYear()))

                .add((or(isNull("objectives"), eq("objectives", ""))))

                .createAlias("teachers", "th")

                .add(eq("semestre", DatesUtils.getSemestre()))

                .add(eq("th.id", teacherId))

                .list();

    }

    public List<CourseUnit> loadMissingPrograms(long teacherId)

    {

        //todo falta a projeccao do teacher id

        return createCriteria()

                .add(eq("importYear", DatesUtils.getImportYear()))

                .add((or(isNull("programStreamId"), eq("programStreamId", ""))))

                .createAlias("teachers", "th")

                .add(eq("semestre", DatesUtils.getSemestre()))

                .add(eq("th.id", teacherId))

                .list();

    }

    public List<CourseUnit> loadMissingObjectivesOrPrograms(long teacherId)

    {

        //todo falta a projeccao do teacher id

        Criteria c = createCriteria()

                .add(eq("importYear", DatesUtils.getImportYear()))

                .add(or(or(isNull("objectives"), eq("objectives", "")), or(isNull("programStreamId"), eq("programStreamId", ""))));

        DatesUtils.SemestreModerate semestreModerate = DatesUtils.getSemestreModerate();

        if (semestreModerate == DatesUtils.SemestreModerate.S1)

            c.add(eq("semestre", "S1"));

        else if (semestreModerate == DatesUtils.SemestreModerate.S2)

            c.add(eq("semestre", "S2"));

        else

            c.add(or(eq("semestre", "S1"), eq("semestre", "S2")));

        return c.createAlias("teachers", "th")

                .add(eq("th.id", teacherId))

                .list();

    }

    public List<CourseUnit> loadMissingObjectivesGivenCourse(long courseId)

    {

        return createCriteria()

                .createAlias("course", "c")

                .add(eq("c.id", courseId))

                .add(eq("importYear", DatesUtils.getImportYear()))

                .add(eq("semestre", DatesUtils.getSemestre()))

                .add((or(isNull("objectives"), eq("objectives", ""))))

                .list();

    }

    public List<CourseUnit> loadMissingProgramGivenCourse(long courseId)

    {

        return createCriteria()

                .createAlias("course", "c")

                .add(eq("c.id", courseId))

                .add(eq("importYear", DatesUtils.getImportYear()))

                .add(eq("semestre", DatesUtils.getSemestre()))

                .add((or(isNull("programStreamId"), eq("programStreamId", ""))))

                .list();

    }

    public List<CourseUnit> loadMissingObjectivesOrProgramGivenCourse(long courseId)

    {

        return createCriteria()

                .createAlias("course", "c")

                .add(eq("c.id", courseId))

                .add(eq("importYear", DatesUtils.getImportYear()))

                .add(eq("semestre", DatesUtils.getSemestre()))

                .add((or(or(isNull("objectives"), eq("objectives", "")), or(isNull("programStreamId"), eq("programStreamId", "")))))

                .list();

    }

    public int countMissingProgramGivenCourse(long courseId)

    {

        return loadMissingProgramGivenCourse(courseId).size();

    }

}