FeedControllerImpl.java

package no.niths.application.rest.school;

import no.niths.application.rest.AbstractRESTControllerImpl;
import no.niths.application.rest.lists.ListAdapter;
import no.niths.application.rest.lists.school.FeedList;
import no.niths.application.rest.school.interfaces.FeedController;
import no.niths.common.constants.DomainConstantNames;
import no.niths.common.constants.SecurityConstants;
import no.niths.domain.school.Feed;
import no.niths.services.interfaces.GenericService;
import no.niths.services.school.interfaces.FeedService;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseStatus;
/**
 * Controller for feed
 * has the basic CRUD methods and
 * methods too add and remove location,
 * student and committee
 *
 * For the URL too get Feeds add /feeds
 * after the {@value no.niths.common.constants.MiscConstants#NITHS_BASE_DOMAIN}
 *
 * <pre>
 * <h1>This is a feed</h1>
 * <p>
 * The purpose of the feed is to be a Twitter like feed
 * so students can post interesting messages, or something thats happening
 * right now. like <quote>Sale on computer software on komplett.no</quote>
 * </p>
 * </pre>
 */
@Controller
@RequestMapping(DomainConstantNames.FEEDS)
public class FeedControllerImpl extends AbstractRESTControllerImpl<Feed>
        implements FeedController {

    private static final String STUDENT_REMOVED = "Student removed";
    private static final String LOCATION_ADDED = "Location Added";
    private static final String LOCATION_REMOVED = "Location removed";
    private static final String ADMIN_SR_AND_STUDENT_ID = SecurityConstants.ADMIN_AND_SR + " or " +
            "(hasRole('ROLE_STUDENT') and principal.studentId == #domain.id)";
    private static final String COMMITTEE_ADDED = "Committe added";
    private static final String COMMITTEE_REMOVED = "Committe added";
    
    
    @Autowired
    private FeedService service;

    private FeedList list = new FeedList();

    /**
     * {@inheritDoc}
     */
    @Override
    public GenericService<Feed> getService() {
        return service;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ListAdapter<Feed> getList() {
        return list;
    }

    @Override
    @PreAuthorize(ADMIN_SR_AND_STUDENT_ID)
    @RequestMapping(value = "{feedId}/location/{locationId}", method = RequestMethod.POST)
    @ResponseStatus(value = HttpStatus.OK, reason = LOCATION_ADDED)
    public void addLocation(@PathVariable Long feedId,
            @PathVariable Long locationId) {
        service.addLocation(feedId, locationId);
    }

    /**
     * {@inheritDoc}
     */
    @Override

    @PreAuthorize(SecurityConstants.ADMIN_AND_SR)
    @RequestMapping(value = "{feedId}/location", method = RequestMethod.DELETE)
    @ResponseStatus(value = HttpStatus.OK, reason = LOCATION_REMOVED)
    public void removeLocation(@PathVariable Long feedId) {
        service.removeLocation(feedId);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    @PreAuthorize(ADMIN_SR_AND_STUDENT_ID)
    @RequestMapping(value = "{feedId}/student/{studentId}", method = RequestMethod.POST)
    @ResponseStatus(value = HttpStatus.OK, reason = "STUDENT_ADDED_TO_FEED")
    public void addStudent(@PathVariable Long feedId,
            @PathVariable Long studentId) {
        service.addStudent(feedId, studentId);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    @PreAuthorize(SecurityConstants.ADMIN_AND_SR)
    @RequestMapping(value = "{feedId}/student", method = RequestMethod.DELETE)
    @ResponseStatus(value = HttpStatus.OK, reason = STUDENT_REMOVED)
    public void removeStudent(@PathVariable Long feedId) {
        service.removeStudent(feedId);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    @PreAuthorize(SecurityConstants.ADMIN_SR_COMMITTEE_LEADER)
    @RequestMapping(value = "{feedId}/committee/{committeeId}", method = RequestMethod.POST)
    @ResponseStatus(value = HttpStatus.OK, reason = COMMITTEE_ADDED)
    public void addCommittee(@PathVariable Long feedId,@PathVariable Long committeeId) {
        service.addCommittee(feedId, committeeId);        
    }

    
    /**
     * {@inheritDoc}
     */
    @Override
    @PreAuthorize(SecurityConstants.ADMIN_SR_COMMITTEE_LEADER)
    @RequestMapping(value = "{feedId}/committee", method = RequestMethod.DELETE)
    @ResponseStatus(value = HttpStatus.OK, reason = COMMITTEE_REMOVED)
    public void removeCommittee(@PathVariable Long feedId) {
        service.removeCommittee(feedId);
    }
}