218 lines
7.3 KiB
Go
218 lines
7.3 KiB
Go
package wechat
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import (
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"context"
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"crypto/tls"
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"encoding/xml"
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"errors"
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"fmt"
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"github.com/go-pay/gopay"
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"github.com/go-pay/gopay/pkg/util"
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)
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// 统一下单
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// 商户文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1
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// 服务商文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi_sl.php?chapter=9_1
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func (w *Client) UnifiedOrder(ctx context.Context, bm gopay.BodyMap) (wxRsp *UnifiedOrderResponse, err error) {
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err = bm.CheckEmptyError("nonce_str", "body", "out_trade_no", "total_fee", "spbill_create_ip", "notify_url", "trade_type")
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if err != nil {
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return nil, err
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}
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var bs []byte
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if w.IsProd {
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bs, err = w.doProdPost(ctx, bm, unifiedOrder, nil)
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} else {
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bm.Set("total_fee", 101)
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bs, err = w.doSanBoxPost(ctx, bm, sandboxUnifiedOrder)
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}
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if err != nil {
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return nil, err
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}
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wxRsp = new(UnifiedOrderResponse)
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if err = xml.Unmarshal(bs, wxRsp); err != nil {
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return nil, fmt.Errorf("[%w]: %v, bytes: %s", gopay.UnmarshalErr, err, string(bs))
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}
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return wxRsp, nil
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}
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// 提交付款码支付
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// 商户文档：https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_10&index=1
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// 服务商文档：https://pay.weixin.qq.com/wiki/doc/api/micropay_sl.php?chapter=9_10&index=1
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func (w *Client) Micropay(ctx context.Context, bm gopay.BodyMap) (wxRsp *MicropayResponse, err error) {
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err = bm.CheckEmptyError("nonce_str", "body", "out_trade_no", "total_fee", "spbill_create_ip", "auth_code")
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if err != nil {
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return nil, err
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}
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var bs []byte
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if w.IsProd {
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bs, err = w.doProdPost(ctx, bm, microPay, nil)
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} else {
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bm.Set("total_fee", 1)
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bs, err = w.doSanBoxPost(ctx, bm, sandboxMicroPay)
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}
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if err != nil {
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return nil, err
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}
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wxRsp = new(MicropayResponse)
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if err = xml.Unmarshal(bs, wxRsp); err != nil {
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return nil, fmt.Errorf("[%w]: %v, bytes: %s", gopay.UnmarshalErr, err, string(bs))
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}
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return wxRsp, nil
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}
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// 查询订单
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// 商户文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_2
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// 服务商文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi_sl.php?chapter=9_2
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func (w *Client) QueryOrder(ctx context.Context, bm gopay.BodyMap) (wxRsp *QueryOrderResponse, resBm gopay.BodyMap, err error) {
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err = bm.CheckEmptyError("nonce_str")
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if err != nil {
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return nil, nil, err
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}
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if bm.GetString("out_trade_no") == util.NULL && bm.GetString("transaction_id") == util.NULL {
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return nil, nil, errors.New("out_trade_no and transaction_id are not allowed to be null at the same time")
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}
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var bs []byte
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if w.IsProd {
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bs, err = w.doProdPost(ctx, bm, orderQuery, nil)
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} else {
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bs, err = w.doSanBoxPost(ctx, bm, sandboxOrderQuery)
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}
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if err != nil {
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return nil, nil, err
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}
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wxRsp = new(QueryOrderResponse)
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if err = xml.Unmarshal(bs, wxRsp); err != nil {
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return nil, nil, fmt.Errorf("xml.UnmarshalStruct(%s)：%w", string(bs), err)
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}
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resBm = make(gopay.BodyMap)
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if err = xml.Unmarshal(bs, &resBm); err != nil {
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return nil, nil, fmt.Errorf("xml.UnmarshalBodyMap(%s)：%w", string(bs), err)
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}
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return wxRsp, resBm, nil
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}
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// 关闭订单
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// 商户文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_3
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// 服务商文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi_sl.php?chapter=9_3
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func (w *Client) CloseOrder(ctx context.Context, bm gopay.BodyMap) (wxRsp *CloseOrderResponse, err error) {
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err = bm.CheckEmptyError("nonce_str", "out_trade_no")
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if err != nil {
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return nil, err
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}
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var bs []byte
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if w.IsProd {
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bs, err = w.doProdPost(ctx, bm, closeOrder, nil)
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} else {
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bs, err = w.doSanBoxPost(ctx, bm, sandboxCloseOrder)
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}
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if err != nil {
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return nil, err
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}
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wxRsp = new(CloseOrderResponse)
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if err = xml.Unmarshal(bs, wxRsp); err != nil {
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return nil, fmt.Errorf("[%w]: %v, bytes: %s", gopay.UnmarshalErr, err, string(bs))
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}
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return wxRsp, nil
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}
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// 申请退款
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// 注意：请在初始化client时，调用 client 添加证书的相关方法添加证书
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// 商户文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_4
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// 服务商文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi_sl.php?chapter=9_4
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func (w *Client) Refund(ctx context.Context, bm gopay.BodyMap) (wxRsp *RefundResponse, resBm gopay.BodyMap, err error) {
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err = bm.CheckEmptyError("nonce_str", "out_refund_no", "total_fee", "refund_fee")
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if err != nil {
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return nil, nil, err
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}
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if bm.GetString("out_trade_no") == util.NULL && bm.GetString("transaction_id") == util.NULL {
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return nil, nil, errors.New("out_trade_no and transaction_id are not allowed to be null at the same time")
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}
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var (
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bs []byte
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tlsConfig *tls.Config
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)
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if w.IsProd {
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if tlsConfig, err = w.addCertConfig(nil, nil, nil); err != nil {
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return nil, nil, err
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}
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bs, err = w.doProdPost(ctx, bm, refund, tlsConfig)
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} else {
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bs, err = w.doSanBoxPost(ctx, bm, sandboxRefund)
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}
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if err != nil {
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return nil, nil, err
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}
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wxRsp = new(RefundResponse)
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if err = xml.Unmarshal(bs, wxRsp); err != nil {
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return nil, nil, fmt.Errorf("xml.UnmarshalStruct(%s)：%w", string(bs), err)
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}
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resBm = make(gopay.BodyMap)
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if err = xml.Unmarshal(bs, &resBm); err != nil {
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return nil, nil, fmt.Errorf("xml.UnmarshalBodyMap(%s)：%w", string(bs), err)
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}
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return wxRsp, resBm, nil
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}
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// 查询退款
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// 商户文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_5
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// 服务商文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi_sl.php?chapter=9_5
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func (w *Client) QueryRefund(ctx context.Context, bm gopay.BodyMap) (wxRsp *QueryRefundResponse, resBm gopay.BodyMap, err error) {
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err = bm.CheckEmptyError("nonce_str")
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if err != nil {
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return nil, nil, err
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}
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if bm.GetString("refund_id") == util.NULL && bm.GetString("out_refund_no") == util.NULL && bm.GetString("transaction_id") == util.NULL && bm.GetString("out_trade_no") == util.NULL {
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return nil, nil, errors.New("refund_id, out_refund_no, out_trade_no, transaction_id are not allowed to be null at the same time")
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}
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var bs []byte
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if w.IsProd {
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bs, err = w.doProdPost(ctx, bm, refundQuery, nil)
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} else {
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bs, err = w.doSanBoxPost(ctx, bm, sandboxRefundQuery)
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}
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if err != nil {
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return nil, nil, err
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}
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wxRsp = new(QueryRefundResponse)
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if err = xml.Unmarshal(bs, wxRsp); err != nil {
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return nil, nil, fmt.Errorf("xml.UnmarshalStruct(%s)：%w", string(bs), err)
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}
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resBm = make(gopay.BodyMap)
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if err = xml.Unmarshal(bs, &resBm); err != nil {
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return nil, nil, fmt.Errorf("xml.UnmarshalBodyMap(%s)：%w", string(bs), err)
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}
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return wxRsp, resBm, nil
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}
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// 撤销订单
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// 注意：请在初始化client时，调用 client 添加证书的相关方法添加证书
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// 商户文档：https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_11&index=3
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// 服务商文档：https://pay.weixin.qq.com/wiki/doc/api/micropay_sl.php?chapter=9_11&index=3
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func (w *Client) Reverse(ctx context.Context, bm gopay.BodyMap) (wxRsp *ReverseResponse, err error) {
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err = bm.CheckEmptyError("nonce_str", "out_trade_no")
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if err != nil {
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return nil, err
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}
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var (
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bs []byte
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tlsConfig *tls.Config
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)
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if w.IsProd {
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if tlsConfig, err = w.addCertConfig(nil, nil, nil); err != nil {
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return nil, err
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}
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bs, err = w.doProdPost(ctx, bm, reverse, tlsConfig)
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} else {
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bs, err = w.doSanBoxPost(ctx, bm, sandboxReverse)
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}
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if err != nil {
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return nil, err
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}
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wxRsp = new(ReverseResponse)
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if err = xml.Unmarshal(bs, wxRsp); err != nil {
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return nil, fmt.Errorf("[%w]: %v, bytes: %s", gopay.UnmarshalErr, err, string(bs))
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}
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return wxRsp, nil
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}
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