feat: 付款链接接口

app/constants/errorcode/error_code.go

@@ -61,6 +61,7 @@ const (
 	PayChannelNotFound     = 1300
 	PayChannelNotBuild     = 1301
 	PayChannelExtJsonError = 1302
+	PayChannelExpired      = 1303
 
 	//订单
 	OrdersNotFound              = 1401

app/http/controllers/front/pay_page.go

@@ -9,6 +9,7 @@ import (
 	"github.com/ahmetb/go-linq/v3"
 	"github.com/gin-gonic/gin"
 	"net/http"
+	"strconv"
 )
 
 // 预支付接口V2, 返回收银台页面
@@ -50,8 +51,17 @@ func PayChannelList(c *gin.Context) {
 		return front.PayChannelListResponse{
 			ChannelType:  payChannel.ChannelType,
 			PayName:      payChannel.PayName,
+			PayChannelId: strconv.Itoa(int(payChannel.Id)),
 		}
 	}).ToSlice(&result)
 
 	controllers.HandCodeRes(c, result, code)
 }
+
+// 获取付款链接
+func GetPayLink(c *gin.Context) {
+	req, _ := controllers.GetRequest(c).(*front.GetPayLinkRequest)
+
+	result, code := services.GetPayLinkService(*req)
+	controllers.HandCodeRes(c, result, code)
+}

app/http/entities/front/pay.go

@@ -69,6 +69,7 @@ type PayChannelListRequest struct {
 type PayChannelListResponse struct {
 	PayName      string `json:"pay_name"`
 	ChannelType  int    `json:"channel_type"`
+	PayChannelId string `json:"pay_channel_id"`
 }
 
 type PayReqsV2 struct {
@@ -90,3 +91,8 @@ type PayReqsV2Response struct {
 	Url           string
 	ThirdMsg      string
 }
+
+type GetPayLinkRequest struct {
+	PayChannelId string `json:"pay_channel_id"`
+	OrderId      string `json:"id"`
+}

app/services/pay_page.go

@@ -6,11 +6,14 @@ import (
 	"PaymentCenter/app/http/entities"
 	"PaymentCenter/app/http/entities/backend"
 	"PaymentCenter/app/http/entities/front"
+	"PaymentCenter/app/models/orderrequestlogmodel"
 	"PaymentCenter/app/models/ordersmodel"
 	"PaymentCenter/app/models/paychannelmodel"
 	"PaymentCenter/app/utils"
 	"PaymentCenter/config"
+	"encoding/json"
 	"fmt"
+	"net/url"
 	"strconv"
 	"time"
 	"xorm.io/builder"
@@ -106,20 +109,21 @@ func (this *payUrl) WithClientIp(ip string) *payUrl {
 	return this
 }
 
-// 订单存在
+// 订单是否是支付状态
-func (this *payUrl) orderExist() {
+func orderStatusCheck(order ordersmodel.Orders) (code int) {
-	switch this.result.Order.Status {
+	switch order.Status {
 	case common.ORDER_STATUS_CLOSE:
-		this.result.PayCode = errorcode.OrderClosed
+		code = errorcode.OrderClosed
 	case common.ORDER_STATUS_PAYED:
-		this.result.PayCode = errorcode.OrderPayed
+		code = errorcode.OrderPayed
 	case common.ORDER_STATUS_FAILED:
-		this.result.PayCode = errorcode.OrderFailed
+		code = errorcode.OrderFailed
 	case common.ORDER_STATUS_WAITPAY, common.ORDER_STATUS_PAYING:
-		this.result.PayCode = errorcode.Success
+		code = errorcode.Success
 	default:
-		this.result.PayCode = errorcode.OrderStatusErr
+		code = errorcode.OrderStatusErr
 	}
+	return code
 }
 
 func (this *payUrl) saveOrder() {
@@ -173,7 +177,7 @@ func (this *payUrl) PayUrlV2Service() (result front.PayReqsV2Response, code int)
 	if code == errorcode.Success {
 		// 订单存在
 		this.result.Order = order
-		this.orderExist()
+		this.result.PayCode = orderStatusCheck(*order)
 	} else if code == errorcode.OrdersNotFound {
 		// 订单不存在
 		this.saveOrder()
@@ -187,3 +191,80 @@ func (this *payUrl) PayUrlV2Service() (result front.PayReqsV2Response, code int)
 
 	return this.result, code
 }
+
+// 拼接微信授权链接  appid:微信的公众号appid
+func GetWxAuthUrl(appid string, orderId int64) (targetUrl string, code int) {
+	var (
+		// 重定向地址
+		redirectUri = config.GetConf().PayService.Host + common.WXCodeRedirectAddress
+	)
+	baseUrl := "https://open.weixin.qq.com/connect/oauth2/authorize"
+	redirectUri = url.QueryEscape(redirectUri)
+	responseType := "code"
+	scope := "snsapi_base"
+	order := strconv.Itoa(int(orderId))
+
+	targetUrl = baseUrl + "?appid=" + appid + "&redirect_uri=" + redirectUri + "&response_type=" + responseType + "&scope=" + scope + "&state=" + order + "#wechat_redirect"
+	code = errorcode.Success
+	return
+}
+
+// 收银台获取付款链接
+func GetPayLinkService(req front.GetPayLinkRequest) (result string, code int) {
+	var (
+		payChannel      = &paychannelmodel.PayChannel{}
+		order           = &ordersmodel.Orders{}
+		orderPayRequest front.PayReqsV2
+	)
+	// 支付方式校验
+	payChannel, code = PayChannelFindOne(payChannel, builder.Eq{"id": req.PayChannelId})
+	if code != errorcode.Success {
+		return
+	}
+	if payChannel.ExpireTime.Unix() < time.Now().Unix() {
+		code = errorcode.PayChannelExpired
+		return
+	}
+	// 订单校验
+	order, code = OrderFindOne(order, builder.Eq{"id": req.OrderId})
+	if code != errorcode.Success {
+		return
+	}
+	// 订单状态校验
+	code = orderStatusCheck(*order)
+	if code != errorcode.Success {
+		return
+	}
+	// 获取订单的请求参数
+	orderRequestLog := orderrequestlogmodel.OrderRequestLog{
+		OutTradeNo: order.OutTradeNo,
+		AppId:      order.AppId,
+	}
+	has, err := OrderRequestLogs(&orderRequestLog)
+	if err != nil {
+		code = handErr(err)
+		return
+	}
+	if !has {
+		code = errorcode.OrderPayRequestLogNotExist
+		return
+	}
+	err = json.Unmarshal([]byte(orderRequestLog.MerchantRequest), &orderPayRequest)
+	if err != nil {
+		code = handErr(err)
+		return
+	}
+	// 支付方式需要用户授权
+	if payChannel.ChannelType == common.PAY_CHANNEL_WECHAT_JSAPI && orderPayRequest.OpenId == "" {
+		result, code = GetWxAuthUrl(payChannel.AppId, order.Id)
+		return
+	}
+	// 请求第三方支付获取付款链接
+	//payParam := paymentService.PayOrderRequest{
+	//	OrderId: order.Id,
+	//}
+	//res := paymentService.PaymentService(context.Background(), payParam)
+	//result = res.Result
+	//code = res.Code
+	return
+}

bootstrap/bootstrap.go

@@ -28,6 +28,9 @@ func Bootstrap(conf *config.Config) (err error) {
 	err = db.Pr.Register(db.SingletonMain, conf.Db)
 	//cacher := caches.NewLRUCacher2(caches.NewMemoryStore(), time.Hour, 1000)
 	//db.GetDb().SetDefaultCacher(cacher)
+	if conf.Debug {
+		db.GetDb().ShowSQL(true)
+	}
 
 	if err != nil {
 		return