edu.northwestern.bioinformatics.studycalendar.web.subject.SubjectCentricScheduleController.java Source code

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Here is the source code for edu.northwestern.bioinformatics.studycalendar.web.subject.SubjectCentricScheduleController.java

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/*L
 * Copyright Northwestern University.
 *
 * Distributed under the OSI-approved BSD 3-Clause License.
 * See http://ncip.github.io/psc/LICENSE.txt for details.
 */

package edu.northwestern.bioinformatics.studycalendar.web.subject;

import edu.northwestern.bioinformatics.studycalendar.core.accesscontrol.ApplicationSecurityManager;
import edu.northwestern.bioinformatics.studycalendar.dao.ScheduledCalendarDao;
import edu.northwestern.bioinformatics.studycalendar.dao.StudySubjectAssignmentDao;
import edu.northwestern.bioinformatics.studycalendar.dao.SubjectDao;
import edu.northwestern.bioinformatics.studycalendar.domain.ScheduledCalendar;
import edu.northwestern.bioinformatics.studycalendar.domain.StudySubjectAssignment;
import edu.northwestern.bioinformatics.studycalendar.domain.Subject;
import edu.northwestern.bioinformatics.studycalendar.service.DomainContext;
import edu.northwestern.bioinformatics.studycalendar.service.presenter.UserStudySubjectAssignmentRelationship;
import edu.northwestern.bioinformatics.studycalendar.tools.FormatTools;
import edu.northwestern.bioinformatics.studycalendar.utils.breadcrumbs.DefaultCrumb;
import edu.northwestern.bioinformatics.studycalendar.web.PscAbstractController;
import edu.northwestern.bioinformatics.studycalendar.web.accesscontrol.PscAuthorizedHandler;
import edu.northwestern.bioinformatics.studycalendar.web.accesscontrol.ResourceAuthorization;
import gov.nih.nci.cabig.ctms.dao.GridIdentifiableDao;
import gov.nih.nci.cabig.ctms.domain.DomainObject;
import gov.nih.nci.cabig.ctms.domain.GridIdentifiable;
import gov.nih.nci.cabig.ctms.editors.DaoBasedEditor;
import gov.nih.nci.cabig.ctms.editors.GridIdentifiableDaoBasedEditor;
import gov.nih.nci.cabig.ctms.lang.NowFactory;
import org.apache.commons.collections.Predicate;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.ServletRequestBindingException;
import org.springframework.web.bind.ServletRequestUtils;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;

import static edu.northwestern.bioinformatics.studycalendar.security.authorization.PscRole.*;
import static org.apache.commons.collections.CollectionUtils.isNotEmpty;
import static org.apache.commons.collections.CollectionUtils.select;

/**
 * @author Rhett Sutphin
 */
public class SubjectCentricScheduleController extends PscAbstractController implements PscAuthorizedHandler {
    private SubjectDao subjectDao;
    private StudySubjectAssignmentDao studySubjectAssignmentDao;
    private ScheduledCalendarDao scheduledCalendarDao;
    private NowFactory nowFactory;
    private ApplicationSecurityManager applicationSecurityManager;

    public SubjectCentricScheduleController() {
        setCrumb(new Crumb());
    }

    public Collection<ResourceAuthorization> authorizations(String httpMethod,
            Map<String, String[]> queryParameters) {
        return ResourceAuthorization.createCollection(STUDY_SUBJECT_CALENDAR_MANAGER, DATA_READER,
                STUDY_TEAM_ADMINISTRATOR);
    }

    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        Subject subject = interpretUsingIdOrGridId(request, "subject", subjectDao);

        // Try assignment
        if (subject == null) {
            StudySubjectAssignment assignment = interpretUsingIdOrGridId(request, "assignment",
                    studySubjectAssignmentDao);
            if (assignment != null)
                subject = assignment.getSubject();
        }
        // Try calendar
        if (subject == null) {
            ScheduledCalendar calendar = interpretUsingIdOrGridId(request, "calendar", scheduledCalendarDao);
            if (calendar != null)
                subject = calendar.getAssignment().getSubject();
        }

        if (subject == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND, "No matching subject found");
            return null;
        }

        List<UserStudySubjectAssignmentRelationship> assignments = new ArrayList<UserStudySubjectAssignmentRelationship>(
                subject.getAssignments().size());
        for (StudySubjectAssignment ssa : subject.getAssignments()) {
            assignments.add(new UserStudySubjectAssignmentRelationship(applicationSecurityManager.getUser(), ssa));
        }
        MultipleAssignmentScheduleView schedule = new MultipleAssignmentScheduleView(assignments, nowFactory);

        ModelMap model = new ModelMap("schedule", schedule);
        model.addAttribute(subject);
        model.addAttribute("schedulePreview", false);
        model.addAttribute("canUpdateSchedule", canUpdateSchedule(assignments));
        model.addAttribute("todayDate", FormatTools.getLocal().formatDate(Calendar.getInstance().getTime()));
        return new ModelAndView("subject/schedule", model);
    }

    @SuppressWarnings({ "unchecked" })
    private <T extends GridIdentifiable & DomainObject> T interpretUsingIdOrGridId(HttpServletRequest request,
            String paramName, GridIdentifiableDao<T> dao) throws ServletRequestBindingException {
        DaoBasedEditor editor = new GridIdentifiableDaoBasedEditor(dao);
        String param = ServletRequestUtils.getStringParameter(request, paramName);
        try {
            editor.setAsText(param);
        } catch (IllegalArgumentException iae) {
            return null;
        }
        return (T) editor.getValue();
    }

    @SuppressWarnings({ "unchecked" })
    private boolean canUpdateSchedule(List<UserStudySubjectAssignmentRelationship> assignments) {
        Collection<UserStudySubjectAssignmentRelationship> update = select(assignments, new Predicate() {
            public boolean evaluate(Object o) {
                UserStudySubjectAssignmentRelationship r = (UserStudySubjectAssignmentRelationship) o;
                return r.getCanUpdateSchedule();
            }
        });

        return isNotEmpty(update);
    }

    ////// CONFIGURATION

    @Required
    public void setSubjectDao(SubjectDao subjectDao) {
        this.subjectDao = subjectDao;
    }

    @Required
    public void setStudySubjectAssignmentDao(StudySubjectAssignmentDao studySubjectAssignmentDao) {
        this.studySubjectAssignmentDao = studySubjectAssignmentDao;
    }

    @Required
    public void setScheduledCalendarDao(ScheduledCalendarDao scheduledCalendarDao) {
        this.scheduledCalendarDao = scheduledCalendarDao;
    }

    @Required
    public void setNowFactory(NowFactory nowFactory) {
        this.nowFactory = nowFactory;
    }

    @Required
    public void setApplicationSecurityManager(ApplicationSecurityManager applicationSecurityManager) {
        this.applicationSecurityManager = applicationSecurityManager;
    }

    private static class Crumb extends DefaultCrumb {
        @Override
        public String getName(DomainContext context) {
            return new StringBuilder().append("Comprehensive schedule for ")
                    .append(context.getSubject().getFullName()).toString();
        }

        @Override
        public Map<String, String> getParameters(DomainContext context) {
            return createParameters("subject", context.getSubject().getId().toString());
        }
    }
}