MainMenuRouteController.java

package edu.uark.registerapp.controllers;

import java.util.Map;
import java.util.Optional;

import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import edu.uark.registerapp.controllers.enums.ViewModelNames;
import edu.uark.registerapp.controllers.enums.ViewNames;
import edu.uark.registerapp.models.entities.ActiveUserEntity;
import edu.uark.registerapp.models.enums.EmployeeClassification;

@Controller
@RequestMapping(value = "/mainMenu")
public class MainMenuRouteController extends BaseRouteController {
	
	@RequestMapping(method = RequestMethod.GET)
	public ModelAndView start(
		@RequestParam final Map<String, String> queryParameters,
		final HttpServletRequest request
	) {

		final Optional<ActiveUserEntity> activeUserEntity =
			this.getCurrentUser(request);
		if (!activeUserEntity.isPresent()) {
			return this.buildInvalidSessionResponse();
		}
		
		ModelAndView modelAndView =
			this.setErrorMessageFromQueryString(
				new ModelAndView(ViewNames.MAIN_MENU.getViewName()),
				queryParameters);

		// Check if user is any kind of manager
		if (EmployeeClassification.isElevatedUser(
			activeUserEntity.get().getClassification()))
		{
			modelAndView.addObject(
				ViewModelNames.IS_ELEVATED_USER.getValue(), true);
		}
		else
		{
			modelAndView.addObject(
				ViewModelNames.IS_ELEVATED_USER.getValue(), false);
		}
		
		return modelAndView;
	}
}