SearchDegreeLogAction.java

/**
 * Copyright © 2002 Instituto Superior Técnico
 *
 * This file is part of FenixEdu Academic.
 *
 * FenixEdu Academic is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FenixEdu Academic 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with FenixEdu Academic.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.fenixedu.academic.ui.struts.action.coordinator;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.function.Predicate;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.fenixedu.academic.domain.Degree;
import org.fenixedu.academic.domain.DegreeCurricularPlan;
import org.fenixedu.academic.domain.DegreeLog;
import org.fenixedu.academic.domain.DegreeLog.DegreeLogTypes;
import org.fenixedu.academic.domain.ExecutionDegree;
import org.fenixedu.academic.dto.coordinator.SearchDegreeLogBean;
import org.fenixedu.academic.ui.struts.action.base.FenixDispatchAction;
import org.fenixedu.academic.util.CollectionPager;
import org.fenixedu.bennu.struts.annotations.Forward;
import org.fenixedu.bennu.struts.annotations.Forwards;
import org.fenixedu.bennu.struts.annotations.Mapping;

import pt.ist.fenixWebFramework.renderers.utils.RenderUtils;
import pt.ist.fenixframework.FenixFramework;

@Mapping(module = "coordinator", path = "/searchDLog", functionality = DegreeCoordinatorIndex.class)
@Forwards(value = { @Forward(name = "search", path = "/coordinator/viewLogSearch.jsp") })
public class SearchDegreeLogAction extends FenixDispatchAction {

    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
            HttpServletResponse response) throws Exception {
        DegreeCoordinatorIndex.setCoordinatorContext(request);
        return super.execute(mapping, actionForm, request, response);
    }

    public ActionForward prepareInit(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) {

        final String degreeCurricularPlanOID = newFindDegreeCurricularPlanID(request);
        request.setAttribute("degreeCurricularPlanID", degreeCurricularPlanOID);

        final DegreeCurricularPlan degreeCurricularPlan = FenixFramework.getDomainObject(degreeCurricularPlanOID);

        final ExecutionDegree executionDegree = degreeCurricularPlan.getMostRecentExecutionDegree();

        Degree degree = executionDegree.getDegree();

        // Degree degree = getDomainObject(request, "degreeCurricularPlanID");
        SearchDegreeLogBean sdlb = new SearchDegreeLogBean(degree);
        sdlb.setDegreeLogTypes(new ArrayList<DegreeLogTypes>());

        request.setAttribute("searchBean", sdlb);
        request.setAttribute("degree", sdlb.getDegree());
        // final InfoExecutionDegree infoExecutionDegree =
        // InfoExecutionDegree.newInfoFromDomain(executionDegree);
        // request.setAttribute(PresentationConstants.MASTER_DEGREE, degree);

        return mapping.findForward("search");
    }

    public ActionForward prepare(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
        DegreeCurricularPlan dcp = getDomainObject(request, "degreeCurricularPlanID");
        SearchDegreeLogBean sdlb = readSearchBean(request, dcp.getDegree());

        searchLogs(sdlb);
        request.setAttribute("searchBean", sdlb);
        request.setAttribute("degree", sdlb.getDegree());

        prepareAttendsCollectionPages(request, sdlb, sdlb.getDegree());
        return mapping.findForward("search");
    }

    private SearchDegreeLogBean readSearchBean(HttpServletRequest request, Degree degree) {
        String degreeID = request.getParameter("degree");
        if (degreeID != null) {
            SearchDegreeLogBean sdlb = new SearchDegreeLogBean((Degree) FenixFramework.getDomainObject(degreeID));

            String viewPhoto = request.getParameter("viewPhoto");
            if (viewPhoto != null && viewPhoto.equalsIgnoreCase("true")) {
                sdlb.setViewPhoto(true);
            } else {
                sdlb.setViewPhoto(false);
            }

            String logTypes = request.getParameter("degreeLogTypes");
            if (logTypes != null) {
                List<DegreeLogTypes> list = new ArrayList<DegreeLogTypes>();
                for (String logType : logTypes.split(":")) {
                    list.add(DegreeLogTypes.valueOf(logType));
                }
                sdlb.setDegreeLogTypes(list);
            }

            return sdlb;
        } else {
            return new SearchDegreeLogBean(degree);
        }
    }

    private void prepareAttendsCollectionPages(HttpServletRequest request, SearchDegreeLogBean seclb, Degree degree) {
        Collection<DegreeLog> dLogs = seclb.getDegreeLogs();
        List<DegreeLog> listDLogs = new ArrayList<DegreeLog>(dLogs);
        Collections.sort(listDLogs, DegreeLog.COMPARATOR_BY_WHEN_DATETIME);
        int entriesPerPage = 20;
        final CollectionPager<DegreeLog> pager = new CollectionPager<DegreeLog>(listDLogs, entriesPerPage);
        request.setAttribute("numberOfPages", (listDLogs.size() / entriesPerPage) + 1);

        final String pageParameter = request.getParameter("pageNumber");
        final Integer page = StringUtils.isEmpty(pageParameter) ? Integer.valueOf(1) : Integer.valueOf(pageParameter);
        request.setAttribute("pageNumber", page);

        SearchDegreeLogBean logPagesBean = new SearchDegreeLogBean(degree);

        searchLogs(logPagesBean);

        logPagesBean.setDegreeLogs(pager.getPage(page));
        if (seclb.getViewPhoto()) {
            logPagesBean.setViewPhoto(true);
        }
        request.setAttribute("logPagesBean", logPagesBean);
    }

    private void searchLogs(SearchDegreeLogBean bean) {
        final Predicate<DegreeLog> filter = bean.getFilters();
        final Collection<DegreeLog> validLogs = new HashSet<DegreeLog>();
        for (final DegreeLog log : bean.getDegree().getDegreeLogsSet()) {
            if (filter.test(log)) {
                validLogs.add(log);
            }
        }
        bean.setDegreeLogs(validLogs);
    }

    public ActionForward search(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {

        request.setAttribute("degreeCurricularPlanID", request.getAttribute("degreeCurricularPlanID"));

        SearchDegreeLogBean bean = getRenderedObject();
        RenderUtils.invalidateViewState();
        searchLogs(bean);

        request.setAttribute("searchBean", bean);
        request.setAttribute("degree", bean.getDegree());

        prepareAttendsCollectionPages(request, bean, bean.getDegree());

        return mapping.findForward("search");
    }

    private static String newFindDegreeCurricularPlanID(HttpServletRequest request) {
        String degreeCurricularPlanID = request.getParameter("degreeCurricularPlanID");
        if (degreeCurricularPlanID == null) {
            degreeCurricularPlanID = (String) request.getAttribute("degreeCurricularPlanID");
        }
        return degreeCurricularPlanID;
    }

}