D-Net

package eu.dnetlib.functionality.modular.ui;

import java.net.URLEncoder;

import javax.annotation.Resource;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import eu.dnetlib.functionality.modular.ui.users.AuthorizationManager;

import eu.dnetlib.functionality.modular.ui.users.User;

import eu.dnetlib.functionality.modular.ui.utils.ShutdownUtils;

import org.apache.commons.lang3.StringUtils;

import org.springframework.beans.factory.BeanNameAware;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Required;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.ui.ModelMap;

import org.springframework.web.servlet.ModelAndView;

import org.springframework.web.servlet.mvc.Controller;

import org.springframework.web.servlet.view.RedirectView;

public abstract class ModuleEntryPoint extends MenuEntry implements Controller, BeanNameAware {

	@Autowired

	protected EntryPointsAggregator aggregator;

	@Resource(name = "modularUiAuthorizationManager")

	protected AuthorizationManager authorizationManager;

	private String beanName;

	private boolean validMenuEntry = true;

	private String group;

	private int groupOrder = 50;

	@Value("${dnet.modular.ui.authentication.url}")

	private String authenticationUrl;

	@Value("${dnet.modular.ui.logout.url}")

	private String logoutUrl;

	@Value("${dnet.modular.ui.ribbon.environment}")

	private String environment;

	@Value("${dnet.modular.ui.ribbon.accent}")

	private String ribbonAccent;

	@Autowired

	private ShutdownUtils shutdownUtils;

	@Override

	public ModelAndView handleRequest(final HttpServletRequest request, final HttpServletResponse response) throws Exception {

		final User user = this.authorizationManager.obtainUserDetails(request);

		if (user != null) {

			final ModelAndView mv = new ModelAndView();

			final ModelMap map = mv.getModelMap();

			map.addAttribute("ui_menu", getMenu());

			map.addAttribute("ui_title", getTitle());

			map.addAttribute("ui_description", getDescription());

			map.addAttribute("ui_group", getGroup());

			map.addAttribute("ui_modules", this.aggregator.getMenus(user));

			map.addAttribute("environment", this.environment);

			map.addAttribute("ribbonAccent", this.ribbonAccent);

			switch (this.shutdownUtils.currentStatus()) {

			case STOPPING:

				map.addAttribute("ui_navbar_class", "navbar-system-stopping");

				map.addAttribute("ui_message", "stopping system");

				break;

			case STOPPED:

				map.addAttribute("ui_navbar_class", "navbar-system-stopped");

				map.addAttribute("ui_message", "system stopped");

				break;

			default:

				map.addAttribute("ui_navbar_class", "navbar-inverse");

				break;

			}

			String baseUrl = "";

			for (int i = 1; i < StringUtils.countMatches(this.beanName, "/"); i++) {

				baseUrl += "/..";

			}

			if (baseUrl.length() > 0) {

				baseUrl = baseUrl.substring(1);

			}

			map.addAttribute("ui_baseUrl", baseUrl);

			if ((this.logoutUrl != null) && !this.logoutUrl.isEmpty()) {

				map.addAttribute("ui_logoutUrl", this.logoutUrl);

			}

			map.addAttribute("ui_user", user);

			initialize(map, request, response);

			return mv;

		} else {

			final StringBuffer url = request.getRequestURL();

			final String queryString = request.getQueryString();

			if (queryString != null) {

				url.append('?');

				url.append(queryString);

			}

			return new ModelAndView(new RedirectView(this.authenticationUrl + "?url=" + URLEncoder.encode(url.toString(), "UTF-8")));

		}

	}

	abstract protected void initialize(ModelMap map, HttpServletRequest request, HttpServletResponse response) throws Exception;

	public String getBeanName() {

		return this.beanName;

	}

	@Override

	public void setBeanName(final String beanName) {

		this.beanName = beanName;

	}

	public String getGroup() {

		return this.group;

	}

	@Required

	public void setGroup(final String group) {

		this.group = group;

	}

	@Override

	public String getRelativeUrl() {

		return this.beanName;

	}

	public boolean isValidMenuEntry() {

		return this.validMenuEntry;

	}

	public void setValidMenuEntry(final boolean validMenuEntry) {

		this.validMenuEntry = validMenuEntry;

	}

	public int getGroupOrder() {

		return this.groupOrder;

	}

	public void setGroupOrder(final int groupOrder) {

		this.groupOrder = groupOrder;

	}

}