Examples with E3Result cn.e3mall.common.pojo.E3Result used on opensource projects

Example 6 with E3Result

use of cn.e3mall.common.pojo.E3Result in project e3mall by colg-cloud.

the class LoginInterceptor method preHandle.

@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
    /*
		 * 从cookie中取token
		 * 	token存在:	调用sso服务取用户信息
		 * 					取到:		是登录状态, 需要把用户信息写入request, 判断cookie中是否有购物车数据, 如果有就合并到服务端
		 * 					取不到:	用户登录已过期, 需要登录
		 * 	token不存在:	未登录状态, 跳转到sso系统的登录页面, 用户登录成功后, 跳转到当前请求的url
		 */
    String token = CookieUtils.getCookieValue(request, TOKEN_KEY);
    if (StringUtils.isBlank(token)) {
        // token不存在
        response.sendRedirect(SSO_URL + "/page/login?redirect=" + request.getRequestURL());
        // 拦截
        return false;
    }
    // token存在
    E3Result e3Result = tokenService.getUserByToken(token);
    if (!e3Result.isSuccess()) {
        // 取不到
        response.sendRedirect(SSO_URL + "/page/login?redirect=" + request.getRequestURL());
        // 拦截
        return false;
    }
    TbUser tbUser = (TbUser) e3Result.getData();
    request.setAttribute("user", tbUser);
    // 判断cookie中是否有购物车数据
    String jsonString = CookieUtils.getCookieValue(request, COOKIE_CART, true);
    if (StringUtils.isNotBlank(jsonString)) {
        // 合并购物车
        cartService.mergeCart(tbUser.getId(), JSON.parseArray(jsonString, TbItem.class));
    }
    return true;
}