hlm_pl_mall/app/home/controller/Pointcart.php

<?php

namespace app\home\controller;

use think\facade\View;
use think\facade\Lang;

/**
 * ============================================================================
 * 
 * ============================================================================
 * 
 * ----------------------------------------------------------------------------
 * 
 * ============================================================================
 * 控制器
 */
class Pointcart extends BasePointShop
{
    public function initialize()
    {
        parent::initialize(); // TODO: Change the autogenerated stub
        Lang::load(base_path() . 'home/lang/' . config('lang.default_lang') . '/pointcart.lang.php');
        //判断系统是否开启积分和积分兑换功能
        if (config('ds_config.pointprod_isuse') != 1) {
            $this->error(lang('pointcart_unavailable'), HOME_SITE_URL);
        }
        if (session('is_login') != 1) {
            $ref_url = request_uri();
            session('ref_url', $ref_url);
            $this->redirect(HOME_SITE_URL . '/Login/login.html');
        }
    }

    /**
     * 积分礼品购物车首页
     */
    public function index()
    {
        $cart_goods    = array();
        $pointcart_model = model('pointcart');
        $data = $pointcart_model->getPCartListAndAmount(array('pmember_id' => session('member_id')));
        View::assign('pgoods_pointall', $data['data']['cartgoods_pointall']);
        View::assign('cart_array', $data['data']['cartgoods_list']);
        return View::fetch($this->template_dir . 'pointcart_list');
    }

    /**
     * 购物车添加礼品
     */
    public function add()
    {
        $pgid    = intval(input('pgid'));
        $quantity    = intval(input('quantity'));
        if ($pgid <= 0 || $quantity <= 0) {
            echo json_encode(array('done' => false, 'msg' => lang('pointcart_cart_addcart_fail')));
            die;
        }

        //验证积分礼品是否存在购物车中
        $pointcart_model = model('pointcart');
        $check_cart    = $pointcart_model->getPointcartInfo(array('pgoods_id' => $pgid, 'pmember_id' => session('member_id')));
        if (!empty($check_cart)) {
            echo json_encode(array('done' => true));
            die;
        }
        //验证是否能兑换
        $data = $pointcart_model->checkExchange($pgid, $quantity, session('member_id'));
        if (!$data['state']) {
            switch ($data['error']) {
                case 'ParameterError':
                    echo json_encode(array('done' => false, 'msg' => $data['msg'], 'url' => (string)url('Pointprod/plist')));
                    die;
                    break;
                default:
                    echo json_encode(array('done' => false, 'msg' => $data['msg']));
                    die;
                    break;
            }
        }
        $prod_info = $data['data']['prod_info'];

        $insert_arr    = array();
        $insert_arr['pmember_id']        = session('member_id');
        $insert_arr['pgoods_id']        = $prod_info['pgoods_id'];
        $insert_arr['pgoods_name']        = $prod_info['pgoods_name'];
        $insert_arr['pgoods_points']    = $prod_info['pgoods_points'];
        $insert_arr['pgoods_choosenum']    = $prod_info['quantity'];
        $insert_arr['pgoods_image']        = $prod_info['pgoods_image_old'];
        $cart_state = $pointcart_model->addPointcart($insert_arr);
        echo json_encode(array('done' => true));
        die;
    }

    /**
     * 积分礼品购物车更新礼品数量
     */
    public function update()
    {
        $pcart_id    = intval(input('get.pc_id'));
        $quantity    = intval(input('get.quantity'));
        //兑换失败提示
        $msg = lang('pointcart_cart_modcart_fail');

        if ($pcart_id <= 0 || $quantity <= 0) {
            echo json_encode(array('msg' => $msg));
            die;
        }
        //验证礼品购物车信息是否存在
        $pointcart_model    = model('pointcart');
        $cart_info    = $pointcart_model->getPointcartInfo(array('pcart_id' => $pcart_id, 'pmember_id' => session('member_id')));
        if (!$cart_info) {
            echo json_encode(array('msg' => $msg));
            die;
        }

        //验证是否能兑换
        $data = $pointcart_model->checkExchange($cart_info['pgoods_id'], $quantity, session('member_id'));
        if (!$data['state']) {
            echo json_encode(array('msg' => $data['msg']));
            die;
        }
        $prod_info = $data['data']['prod_info'];
        $quantity = $prod_info['quantity'];

        $cart_state = true;
        //如果数量发生变化则更新礼品购物车内单个礼品数量
        if ($cart_info['pgoods_choosenum'] != $quantity) {
            $cart_state = $pointcart_model->editPointcart(array('pcart_id' => $pcart_id, 'pmember_id' => session('member_id')), array('pgoods_choosenum' => $quantity));
        }
        if ($cart_state) {
            //计算总金额
            $amount = $pointcart_model->getPointcartAmount(session('member_id'));
            echo json_encode(array('done' => 'true', 'subtotal' => $prod_info['pointsamount'], 'amount' => $amount, 'quantity' => $quantity));
            die;
        }
    }

    /**
     * 积分礼品购物车删除单个礼品
     */
    public function drop()
    {
        $pcart_id    = intval(input('get.pc_id'));
        if ($pcart_id <= 0) {
            echo json_encode(array('done' => false, 'msg' => lang('ds_common_del_fail')));
            die;
        }
        $pointcart_model = model('pointcart');
        $drop_state    = $pointcart_model->delPointcartById($pcart_id, session('member_id'));
        if ($drop_state) {
            echo json_encode(array('done' => true));
            die;
        } else {
            echo json_encode(array('done' => false, 'msg' => lang('ds_common_del_fail')));
            die;
        }
    }

    /**
     * 兑换订单流程第一步
     */
    public function step1()
    {
        //获取符合条件的兑换礼品和总积分
        $data = model('pointcart')->getCartGoodsList(session('member_id'));
        if (!$data['state']) {
            $this->error($data['msg'], (string)url('Pointprod/index'));
        }
        View::assign('pointprod_arr', $data['data']);

        //实例化收货地址模型（不显示门店地址）
        $address_list = model('address')->getAddressList(array('member_id' => session('member_id'), 'chain_id' => 0), 'address_is_default desc,address_id desc');
        View::assign('address_list', $address_list);

        return View::fetch($this->template_dir . 'pointcart_step1');
    }
    /**
     * 兑换订单流程第二步
     */
    public function step2()
    {
        $pointcart_model = model('pointcart');
        //获取符合条件的兑换礼品和总积分
        $data = $pointcart_model->getCartGoodsList(session('member_id'));
        if (!$data['state']) {
            $this->error($data['msg'], (string)url('Pointcart/index'));
        }
        $pointprod_arr = $data['data'];
        unset($data);

        //验证积分数是否足够
        $data = $pointcart_model->checkPointEnough($pointprod_arr['pgoods_pointall'], session('member_id'));
        if (!$data['state']) {
            $this->error($data['msg'], (string)url('Pointcart/index'));
        }
        unset($data);

        //创建兑换订单
        $data = model('pointorder')->createOrder(input('post.'), $pointprod_arr, array('member_id' => session('member_id'), 'member_name' => session('member_name'), 'member_email' => session('member_email')));
        if (!$data['state']) {
            $this->error($data['msg'], (string)url('Pointcart/step1'));
        }
        $order_id = $data['data']['order_id'];
        $this->redirect('pointcart/step3', ['order_id' => $order_id]);
    }
    /**
     * 流程第三步
     */
    public function step3($order_arr = array())
    {
        $order_id = intval(input('order_id'));
        if ($order_id <= 0) {
            $this->error(lang('pointcart_record_error'), (string)url('Index/index'));
        }
        $condition = array();
        $condition[] = array('point_orderid', '=', $order_id);
        $condition[] = array('point_buyerid', '=', session('member_id'));
        $order_info = model('pointorder')->getPointorderInfo($condition);
        if (!$order_info) {
            $this->error(lang('pointcart_record_error'), (string)url('Index/index'));
        }
        View::assign('order_info', $order_info);
        return View::fetch($this->template_dir . 'pointcart_step2');
    }
}