Subversion Repositories SmartDukaan

package in.shop2020.inventory.controllers;

import in.shop2020.thrift.clients.HelperClient;

import in.shop2020.thrift.clients.WarehouseClient;

import in.shop2020.utils.HelperService;

import in.shop2020.warehouse.WarehouseService;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Date;

import java.util.List;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;

import org.apache.shiro.SecurityUtils;

import org.apache.struts2.interceptor.ServletRequestAware;

import org.apache.struts2.interceptor.ServletResponseAware;

import org.apache.struts2.interceptor.SessionAware;

import com.opensymphony.xwork2.ValidationAwareSupport;

/**

 * Base class for all user action handlers i.e. controllers

 * 

 * @author Vikas

 */

public abstract class BaseController extends ValidationAwareSupport implements

        ServletResponseAware, ServletRequestAware, SessionAware

{

    private static final long serialVersionUID = 3339523094497219816L;

    protected static Logger log = Logger.getLogger(BaseController.class);

    //TODO get it from db

    public static final List<Long>PHYSICAL_WAREHOUSES = new ArrayList<Long>(Arrays.asList(7573L,7678L, 7681L, 8468L));

    protected static final String INPUT = "input";

    protected static final String INDEX = "index";

    protected static final String EDIT_NEW = "editNew";

    protected static final String EDIT = "edit";

    protected static final String SHOW = "show";

    protected static final String EXCEPTION = "exception";

    protected static final String OUTPUT = "output";

    public static final String SESSION_WAREHOUSE_IDS = "allowedWarehouseIds";

    public static final String UNAUTHORIZED_ACCESS_ERROR = "Unauthorized Access ";

    protected final SimpleDateFormat SDF = new SimpleDateFormat("dd MMM, yyyy hh:mm a");

    protected HttpServletResponse response;

    protected HttpServletRequest request;

    protected HttpSession session;

    protected Map<String, Object> sessionMap;

    public void setServletResponse(HttpServletResponse response) {

        this.response = response;

    }

    public void setServletRequest(HttpServletRequest request) {

        this.request = request;

    }

    @SuppressWarnings("unchecked")

	public void setSession(Map<String, Object> sessionMap) {

    	this.session = request.getSession();

    	List<Long> allowedWarehouseIds = null;

    	if(this.session==null || this.session.getAttribute(SESSION_WAREHOUSE_IDS)==null) {

        	try {

    	    	HelperService.Client helperClient = new HelperClient().getClient();

    	    	allowedWarehouseIds = helperClient.getWarehouseIdsForAgent(SecurityUtils.getSubject().getPrincipal().toString());

    	    	if(allowedWarehouseIds.contains(0L)) {

    	    		allowedWarehouseIds = PHYSICAL_WAREHOUSES;

    	    	}

    	    	this.session.setAttribute(SESSION_WAREHOUSE_IDS, allowedWarehouseIds);

        	} catch (Exception e) {

        		e.printStackTrace();

        	}

    	} else {

    		allowedWarehouseIds = (List<Long>) this.session.getAttribute(SESSION_WAREHOUSE_IDS);

    	}

    	this.sessionMap = sessionMap;

    }

    /**

     * Utility method to convert a date to a readable format 

     */

    public String convertDate(Long date) {

        if (date == null || date == 0) {

            return "N/A";

        }

        return SDF.format(new Date(date));

    }

    public String index() {

        return INDEX;

    }

    public String editNew() {

        return EDIT_NEW;

    }

    public String edit() {

        return EDIT;

    }

    public boolean isPermitted(String permission) {

        return SecurityUtils.getSubject().isPermitted(permission);

    }

    @SuppressWarnings("unchecked")

	public boolean isAutorizedToAccessWarehouse(Long warehouseId) {

    	List<Long> warehouseIds;

		warehouseIds = (List<Long>)this.session.getAttribute(SESSION_WAREHOUSE_IDS);

		if(warehouseIds == null || warehouseIds.size() == 0){

			return false;

		} else if(warehouseIds.contains(0l)){

			return true; 

		} else {

			if(warehouseId == null) {

				return false;

			} else {

				if(warehouseIds.contains(warehouseId)){

					return true;

				} else {

					return false;

				}

			}

		}

    }

    @SuppressWarnings("unchecked")

	public List<Long> getAuthorizedWarehousesForCurrentUser(){

    	return (List<Long>)this.session.getAttribute(SESSION_WAREHOUSE_IDS);

    }

}