EventResignController

gistfile1.java

package com.futureprocessing.fpcommunity.controllers.event;

import java.security.Principal;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.InitBinder;
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.ResponseBody;
import com.futureprocessing.fpcommunity.convert.IdToEventPropertyEditor;
import com.futureprocessing.fpcommunity.core.domain.Event;
import com.futureprocessing.fpcommunity.core.domain.User;
import com.futureprocessing.fpcommunity.core.exceptions.EventEndedException;
import com.futureprocessing.fpcommunity.core.exceptions.UserNotAttendingEventException;
import com.futureprocessing.fpcommunity.core.repositories.UserRepository;
import com.futureprocessing.fpcommunity.core.services.events.IEventResignService;

@Controller
public class EventResignController {

    @Autowired
    private UserRepository userRepository;
    @Autowired
    private IEventResignService eventResignService;
    @Autowired
    private IdToEventPropertyEditor idToEventPropertyEditor;

    @InitBinder
    public void initBinder(WebDataBinder binder) {
        binder.registerCustomEditor(Event.class, idToEventPropertyEditor);
    }

    @ExceptionHandler(UserNotAttendingEventException.class)
    @ResponseBody
    public EventResignResponseStatus handleUserNotAttendingEventException() {
        return EventResignResponseStatus.DOESNT_ATTEND;
    }

    @ExceptionHandler(EventEndedException.class)
    @ResponseBody
    public EventResignResponseStatus handleEventEndedException() {
        return EventResignResponseStatus.EVENT_ENDED;
    }

    @RequestMapping(value = "/event/resign/{event}", method = RequestMethod.POST)
    @ResponseBody
    public EventResignResponseStatus resign(@PathVariable Event event, Principal principal) {
        User user = userRepository.findByPrincipal(principal);
        eventResignService.resignFromEvent(user, event);
        return EventResignResponseStatus.OK;
    }
}