amb_wechatapp/application/api/controller/app/coupon/Coupon.php

<?php

namespace app\api\controller\app\coupon;
use app\admin\model\app\coupon\Coupon as CouponModel;
use app\admin\model\app\coupon\CouponUser as CouponUserModel;
use app\common\traits\app\CouponSend;
use app\common\controller\Api;
use app\admin\model\app\coupon\CouponGoods as CouponGoodsModel;
class Coupon extends Api
{
    use CouponSend;

    protected $noNeedLogin = ['index', 'listByGoods', 'detail','goodsGetCoupon'];
    protected $noNeedRight = ['*'];

    public function index()
    {
        $ids = $this->request->param('ids', '');

        $coupons = CouponModel::with(['user_coupons'])
            ->normal()      // 正常的可以展示的优惠券
            ->canGet()      // 在领取时间之内的
            ->order('id', 'desc');

        if ($ids) {
            $coupons = $coupons->whereIn('id', $ids);
        }

        $coupons = $coupons->paginate($this->request->param('list_rows', 10))->each(function ($coupon) {
            $coupon->get_status = $coupon->get_status;
            $coupon->get_status_text = $coupon->get_status_text;
        });

        $this->success('获取成功', $coupons);
    }


    /**
     * 获取商品可领取的优惠券
     * @param Request $request
     * @param int $goods_id
     * @return void
     */
    public function goodsGetCoupon()
    {
        $user = user_info();
        $goods_id = $this->request->param('goods_id');
        $goods_type = $this->request->param('goods_type');

        //获取绑定的课程
        $goods = \app\common\model\goods\Handle::getGoodsQuery()
            ->where([
                'type'=>$goods_type,
                'id'=>$goods_id
            ])->find();

        if (!$goods) {
            $this->error(__('No Results were found'));
        }

        $coupons = CouponModel::canGet()
            ->publicShow()
            ->goods([
                'goods_type'=>$goods_type,
                'goods_id'=>$goods_id
            ])       // 符合指定商品，并且检测商品所属分类
            ->order('id', 'desc');
        if ($user) {
            // 关联用户优惠券
            $coupons = $coupons->with(['userCoupons']);
        }
        $coupons = $coupons->select();

        $coupons = collection($coupons)->each(function ($coupon) {
            $coupon->get_status = $coupon->get_status;
            $coupon->get_status_text = $coupon->get_status_text;
        });

        $this->success('获取成功', $coupons);
    }


    

    /**
     * 领取优惠券
     * @return void
     */
    public function receive()
    {
        $id = $this->request->param('id');

        $userCoupon = $this->getCoupon($id);

        $this->success('领取成功', $userCoupon);
    }

    /**
     * 获取用户可用和不可用优惠券
     *
     * @return void
     */
    public function useCoupon()
    {
        $goodsList = $this->request->post('goodsList/a');

        $orderType = $this->request->post('goodsType','goods');

        $couponId = $this->request->post('coupon_id','');

        if(!$goodsList){
            return $this->error("商品参数无效");
        }

        $params = [
            'goods_list'=>$goodsList,
            'order_type'=>$orderType,
            'coupon_id'=>$couponId,
        ];

        $order = new \app\common\library\order\OrderCreate($params);


        if(!$goodsList){
            return $this->error("商品参数无效");
        }
        $result = $order->getCoupons();

        $this->success('获取成功', $result);
    }


    /**
     * 我的优惠券
     * @return void
     */
    public function my()
    {
        $type = $this->request->param('type', 'can_use');     // 优惠券类型：geted=已领取，can_use=可用，cannot_use=暂不可用，used=已使用，expired=已过期,invalid=已失效（包含已使用和已过期）
        $limit = $this->request->param('limit',10);
        $page = $this->request->param('page',1);


        $userCoupons = CouponUserModel::with('coupon')->where('user_id', $this->auth->id);


        if (in_array($type, ['geted', 'can_use', 'cannot_use', 'used', 'expired', 'invalid'])) {
            $userCoupons = $userCoupons->{\think\helper\Str::camel($type)}();
        }

        $userCoupons = $userCoupons->order('id', 'desc')
            ->limit($limit)->page($page)
            ->select();

        $this->success('获取成功', $userCoupons);
    }


    /**
     * 优惠券详情
     * @return void
     */
    public function detail()
    {
        $id = $this->request->param('id');

        $coupon = CouponModel::where('id', $id)->find();
        if (!$coupon) {
            $this->error(__('No Results were found'));
        }

        $coupon->get_status = $coupon->get_status;
        $coupon->get_status_text = $coupon->get_status_text;
        $coupon->goods = $coupon->can_use_goods_value;

        $canUse = CouponUserModel::where('user_id', $this->auth->id)
            ->where('user_id', $this->auth->id)
            ->where('coupon_id', $id)
            ->canUse()
            ->find();

        $coupon->can_use = $canUse ? true : false;

        $this->success('优惠券详情', $coupon);
    }
}