/**
* 兑换优惠券
* @param $couponId
* @param $openId
* @return bool
*/
public function exchangeCoupon($couponId, $openId)
{
$customerModel = new CustomerModel();
$customer = $customerModel->readOne($openId);
// 获得积分
if (!$customer) {
return false;
}
$coupon = $this->readOne($couponId);
if (!$couponId) {
return false;
}
if ($coupon['remain_number'] <= 0) {
return false;
}
// 用户的积分 >= 所需要的积分
if ($customer['credits'] >= $coupon['exchange_credits']) {
$customerModel->subCredits($openId, $coupon['exchange_credits']);
$this->subCouponNumber($couponId);
} else {
return false;
}
}
public function getExchangeGoods($exchangeGoodsId)
{
$openId = (new WeixinUtil())->getOpenId();
if (!$openId) {
ResponseUtil::failure('错误的授权!');
}
// 查询是否已经领取优惠券
if ((new CustomerExchangeGoodsModel())->readOne($exchangeGoodsId, $openId)) {
ResponseUtil::failure('您已经兑换了此商品！');
}
$exchangeGoods = (new ExchangeGoodsModel())->readOne($exchangeGoodsId);
// 剩余数量为0
if ($exchangeGoods['remain_number'] <= 0) {
ResponseUtil::failure('商品已经兑换完！');
}
$today = date('Y-m-d');
// 是否到领取时间
if ($today < $exchangeGoods['start_time']) {
ResponseUtil::failure('商品未到兑换时间！');
}
if ($today > $exchangeGoods['expire_time']) {
ResponseUtil::failure('商品已过兑换时间！');
}
// 判断积分
$customerModel = new CustomerModel();
$customer = $customerModel->readOne($openId);
if ($exchangeGoods['exchange_credits'] > $customer['credits']) {
ResponseUtil::failure('积分不足，兑换商品失败！');
}
$userName = $this->input->post('contact_name', true);
$phoneNumber = $this->input->post('contact_phone', true);
$userName = urldecode($userName);
// 检查用户
$userName = trim(strip_tags($userName));
if (empty($userName)) {
ResponseUtil::failure('联系人不能为空，请检查！');
}
if (!preg_match('~^1\\d{10}$~', $phoneNumber)) {
ResponseUtil::failure('手机号错误，请检查！');
}
$this->db->trans_start();
// 领取
$data = array('exchange_goods_id' => $exchangeGoodsId, 'open_id' => $openId, 'is_get' => 0, 'contact_name' => $userName, 'contact_phone' => $phoneNumber, 'exchange_time' => DateUtil::now());
$customerExchangeGoodsId = (new CustomerExchangeGoodsModel())->create($data);
if ($customerExchangeGoodsId) {
(new ExchangeGoodsModel())->subExchangeGoodsNumber($exchangeGoodsId);
}
// 积分
$customerModel->subCredits($openId, $exchangeGoods['exchange_credits']);
$this->db->trans_complete();
if ($this->db->trans_status() === FALSE) {
$this->db->trans_rollback();
ResponseUtil::failure('兑换商品失败！');
} else {
$this->db->trans_commit();
ResponseUtil::executeSuccess('兑换商品成功!');
}
}