Subversion Repositories bacoAlunos

package pt.estgp.estgweb.services.courses;

import jomm.utils.FilesUtils;

import org.apache.log4j.Logger;

import org.dom4j.Document;

import pt.estgp.estgweb.Globals;

import pt.estgp.estgweb.domain.Course;

import pt.estgp.estgweb.domain.DomainObjectFactory;

import pt.estgp.estgweb.domain.RepositoryFileImpl;

import pt.estgp.estgweb.domain.UserSession;

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

import pt.estgp.estgweb.domain.views.CourseView;

import pt.estgp.estgweb.filters.chains.ResourceAccessControlEnum;

import pt.estgp.estgweb.services.data.IRepositoryFile;

import pt.estgp.estgweb.services.data.RepositoryService;

import pt.estgp.estgweb.services.expceptions.ServiceException;

import pt.estgp.estgweb.services.expceptions.AlreadyExistsException;

import pt.estgp.estgweb.utils.DatesUtils;

import pt.estgp.estgweb.utils.Dom4jUtil;

import pt.utl.ist.berserk.logic.serviceManager.IService;

import java.io.IOException;

import java.io.InputStream;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.util.ArrayList;

import java.util.List;

/*

 * @author Goncalo Luiz gedl [AT] rnl [DOT] ist [DOT] utl [DOT] pt

 *

 *

 * Created at 17/Out/2003 , 23:45:24

 *

 */

/**

 * @author Jorge Machado

 *

 *

 * Created at 17/Out/2003 , 23:45:24

 *

 */

public class CoursesService implements IService

{

    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(CoursesService.class);

    RepositoryService repositoryService = new RepositoryService();

    public CourseView loadCourse(long id, boolean initUnits) throws ServiceException

    {

        Course c = DaoFactory.getCourseDaoImpl().get(id);

        if(c != null)

        {

            CourseView cV = new CourseView(c,initUnits);

            if(c.getStudiesPlan() != null)

            {

                RepositoryFileImpl repositoryFile = repositoryService.loadView(c.getStudiesPlan());

                cV.setStudiesPlan(repositoryFile);

            }

            return cV;

        }

        return null;

    }

    public List<String> loadImportYears(UserSession userSession) throws ServiceException

    {

        List<String> importYears = DaoFactory.getCourseDaoImpl().loadImportYears();

        List<String> imStrings = new ArrayList<String>();

        for(1.5.0/docs/api/java/lang/String.html">String importYear: importYears)

        {

            imStrings.add(importYear);

        }

        return imStrings;

    }

    public CourseView loadCourseByCode(1.5.0/docs/api/java/lang/String.html">String code, boolean initUnits) throws ServiceException

    {

        try{

            Course c = DaoFactory.getCourseDaoImpl().findCourseByCode(code);

            if(c != null)

            {

                CourseView cV = new CourseView(c,initUnits);

                if(c.getStudiesPlan() != null)

                {

                    RepositoryFileImpl repositoryFile = repositoryService.loadView(c.getStudiesPlan());

                    cV.setStudiesPlan(repositoryFile);

                }

                return cV;

            }

        }

        catch(1.5.0/docs/api/java/lang/Throwable.html">Throwable e)

        {

            logger.error(e + " loading code:" + code,e);

            throw new ServiceException("loading code: " + code  + " - " + e.toString(),e);

        }

        return null;

    }

    public CourseView submitCourse(CourseView courseView,

                                   5+0%2Fdocs%2Fapi+InputStream">InputStream stream,

                                   1.5.0/docs/api/java/lang/String.html">String name,

                                   int size,

                                   1.5.0/docs/api/java/lang/String.html">String contentType,

                                   UserSession userSession) throws ServiceException

    {

        Course c;

        if(courseView.getId() > 0)

        {

            c = DaoFactory.getCourseDaoImpl().get(courseView.getId());

        }

        else

        {

            c = DaoFactory.getCourseDaoImpl().findCourseByCodeAndYear(courseView.getCode(),courseView.getImportYear());

            if(c != null)

                throw new AlreadyExistsException(AlreadyExistsException.ALREADY_EXISTS_COURSE);      

            c = DomainObjectFactory.createCourseImpl();

            DaoFactory.getCourseDaoImpl().save(c);

        }

        1.5.0/docs/api/java/lang/String.html">String htmlTrasformationResult = null;

        if(stream != null && size > 0)

        {

            1.5.0/docs/api/java/lang/String.html">String extension = FilesUtils.getExtension(name);

            if(c.getStudiesPlan() == null)

            {

                1.5.0/docs/api/java/lang/String.html">String identifier = repositoryService.storeRepositoryFile(stream, contentType, extension, size, name, "course.studies.plan " + c.getName(), ResourceAccessControlEnum.publicDomain,userSession);

                c.setStudiesPlan(identifier);

            }

            else

            {

                repositoryService.updateRepositoryFile(c.getStudiesPlan(), stream, contentType, extension, size, name, "course.studies.plan " + c.getName(), ResourceAccessControlEnum.publicDomain);

            }

            IRepositoryFile repositoryFile = repositoryService.load(c.getStudiesPlan(),userSession);

            stream = repositoryFile.getInput();

            try

            {

                5+0%2Fdocs%2Fapi+Document">Document dom = Dom4jUtil.parse(stream);

                1.5.0/docs/api/java/lang/String.html">String html = Dom4jUtil.styleDocument(dom, Globals.TEMPLATE_COURSE_XSL_PATH);

                c.setCacheWebDocument(html);

            }

            catch (1.5.0/docs/api/java/lang/Exception.html">Exception e)

            {

                1.5.0/docs/api/java/io/StringWriter.html">StringWriter writer = new 1.5.0/docs/api/java/io/StringWriter.html">StringWriter();

                1.5.0/docs/api/java/io/PrintWriter.html">PrintWriter printWriter = new 1.5.0/docs/api/java/io/PrintWriter.html">PrintWriter(writer);

                e.printStackTrace(printWriter);

                htmlTrasformationResult = "<div class=\"error\"><pre>" + e.toString() + "\n" + printWriter.toString() + "</pre></div>";

                printWriter.close();

            }

            try

            {

                stream.close();

            }

            catch (1.5.0/docs/api/java/io/IOException.html">IOException e)

            {

                logger.error(e,e);

            }

        }

        courseView.persistViewInObject(c);

        CourseView cv = loadCourse(c.getId(),false);

        cv.setHtmlResult(htmlTrasformationResult);

        return cv;

    }

    public List<CourseView> loadCourses() throws ServiceException

    {

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllOrderByName();

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

    public List<CourseView> loadCoursesImportYearArea(1.5.0/docs/api/java/lang/String.html">String importYear, 1.5.0/docs/api/java/lang/String.html">String area) throws ServiceException

    {

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllOrderByName(importYear,area,null);

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

    public List<CourseView> loadCoursesImportYear() throws ServiceException

    {

        1.5.0/docs/api/java/lang/String.html">String importYearIntranet = DatesUtils.getImportYear();

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllOrderByName(importYearIntranet);

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

    public List<CourseView> loadCoursesImportYearByType(1.5.0/docs/api/java/lang/String.html">String type) throws ServiceException

    {

        1.5.0/docs/api/java/lang/String.html">String importYearIntranet = DatesUtils.getImportYear();

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllOrderByNameEvenWithoutCourseUnit(importYearIntranet,null,type);

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

}