实现余额购买接口 & 实现全局 id 生成器

web/handlers/trade.go

@@ -0,0 +1,61 @@
+package handlers
+
+import (
+	"platform/web/auth"
+	m "platform/web/models"
+	q "platform/web/queries"
+	"platform/web/services"
+	"strconv"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+// region CreateTrade
+
+type CreateTradeReq struct {
+	Subject string `json:"subject" validate:"required"`
+	Remark  string `json:"remark"`
+	Amount  int    `json:"amount" validate:"required"`
+	Method  int    `json:"method" validate:"required"` // 支付方式：1.支付宝，2.微信
+}
+
+func CreateTrade(c *fiber.Ctx) error {
+	// 检查权限
+	authContext, err := auth.Protect(c, []services.PayloadType{services.PayloadUser}, []string{})
+	if err != nil {
+		return err
+	}
+
+	// 解析请求参数
+	req := new(CreateTradeReq)
+	if err := c.BodyParser(req); err != nil {
+		return err
+	}
+
+	// 创建交易订单
+	num, err := services.ID.GenSerial(c.Context())
+	if err != nil {
+		return err
+	}
+	var trade = m.Trade{
+		UserID:  authContext.Payload.Id,
+		InnerNo: strconv.FormatUint(num, 10),
+		Subject: req.Subject,
+		Remark:  req.Remark,
+		Amount:  float64(req.Amount) / 100,
+		Method:  int32(req.Method),
+	}
+
+	// 调用外部接口
+
+	// 保存交易订单
+	err = q.Trade.Create(&trade)
+	if err != nil {
+		return err
+	}
+
+	// 返回结果，外部支付链接
+	return nil
+}
+
+// endregion