86 lines
2.8 KiB
Go
86 lines
2.8 KiB
Go
package app
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import (
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"fmt"
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"net/http"
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"time"
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"bindbox-game/internal/code"
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"bindbox-game/internal/pkg/core"
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"bindbox-game/internal/pkg/validation"
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"bindbox-game/internal/repository/mysql/model"
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)
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const (
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shippingFeeThreshold = 5 // 超过此件数收运费
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shippingFeeCents = 1000 // 运费金额（分），10 元
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shippingFeeSourceType = int32(5) // orders.source_type: 5 = 运费订单
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)
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type shippingFeePreorderRequest struct {
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InventoryIDs []int64 `json:"inventory_ids"`
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}
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type shippingFeePreorderResponse struct {
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OrderNo string `json:"order_no"`
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}
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// ShippingFeePreorder 创建运费订单
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// @Summary 创建运费订单
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// @Description 选中件数超过 5 件时，创建 10 元运费订单并返回 order_no；前端再调用 /pay/wechat/jsapi/preorder 发起支付
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// @Tags APP端.用户
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// @Accept json
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// @Produce json
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// @Security LoginVerifyToken
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// @Param user_id path integer true "用户ID"
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// @Param RequestBody body shippingFeePreorderRequest true "请求参数：资产ID列表"
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// @Success 200 {object} shippingFeePreorderResponse
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// @Failure 400 {object} code.Failure
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// @Router /api/app/users/{user_id}/inventory/shipping-fee/preorder [post]
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func (h *handler) ShippingFeePreorder() core.HandlerFunc {
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return func(ctx core.Context) {
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req := new(shippingFeePreorderRequest)
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rsp := new(shippingFeePreorderResponse)
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if err := ctx.ShouldBindJSON(req); err != nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, validation.Error(err)))
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return
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}
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if len(req.InventoryIDs) == 0 {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "inventory_ids 不能为空"))
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return
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}
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if len(req.InventoryIDs) <= shippingFeeThreshold {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 150001, fmt.Sprintf("件数不超过 %d 件，无需支付运费", shippingFeeThreshold)))
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return
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}
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userID := int64(ctx.SessionUserInfo().Id)
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// 生成运费订单号（SF + 时间戳 + 用户ID后6位，保证唯一）
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now := time.Now()
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orderNo := fmt.Sprintf("SF%s%06d", now.Format("20060102150405"), userID%1000000)
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// 创建运费订单（source_type=5 区分普通商品订单，status=1 待支付）
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order := &model.Orders{
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UserID: userID,
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OrderNo: orderNo,
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SourceType: shippingFeeSourceType,
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TotalAmount: shippingFeeCents,
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DiscountAmount: 0,
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PointsAmount: 0,
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ActualAmount: shippingFeeCents,
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Status: 1,
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IsConsumed: 0,
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}
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if err := h.writeDB.Orders.WithContext(ctx.RequestContext()).
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Omit(h.writeDB.Orders.PaidAt, h.writeDB.Orders.CancelledAt).
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Create(order); err != nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 150002, "创建运费订单失败: "+err.Error()))
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return
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}
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rsp.OrderNo = orderNo
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ctx.Payload(rsp)
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}
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}
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