邹方成
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80 lines
2.9 KiB
Go
80 lines
2.9 KiB
Go
package app
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import (
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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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usersvc "bindbox-game/internal/service/user"
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"net/http"
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"strconv"
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)
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type redeemProductRequest struct {
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ProductID int64 `json:"product_id"`
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Quantity int `json:"quantity"`
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}
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type redeemProductResponse struct {
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Success bool `json:"success"`
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LedgerID int64 `json:"ledger_id"`
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OrderID int64 `json:"order_id"`
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InventoryIDs []int64 `json:"inventory_ids"`
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Message string `json:"message"`
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}
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// RedeemPointsToProduct 积分兑换商品
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// @Summary 积分兑换商品
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// @Description 使用积分按比率1元=100积分兑换商品，生成系统发放订单与用户资产
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// @Tags APP端.积分
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// @Accept json
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// @Produce json
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// @Security LoginVerifyToken
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// @Param RequestBody body redeemProductRequest true "请求参数"
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// @Success 200 {object} redeemProductResponse
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// @Failure 400 {object} code.Failure
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// @Router /api/app/users/{user_id}/points/redeem-product [post]
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// RedeemPointsToProduct 使用积分兑换商品处理器
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// 功能：按商品价格扣减积分并生成系统发放订单与用户资产
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// 参数：无（通过上下文获取 user_id，body 解析 product_id/quantity）
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// 返回：core.HandlerFunc 处理 POST /api/app/users/{user_id}/points/redeem-product
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func (h *handler) RedeemPointsToProduct() core.HandlerFunc {
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return func(ctx core.Context) {
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req := new(redeemProductRequest)
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rsp := new(redeemProductResponse)
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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 req.Quantity <= 0 {
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req.Quantity = 1
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}
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userID := int64(ctx.SessionUserInfo().Id)
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prod, err := h.readDB.Products.WithContext(ctx.RequestContext()).Where(h.readDB.Products.ID.Eq(req.ProductID)).First()
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if err != nil || prod == nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 150101, "product not found"))
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return
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}
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ptsPerUnit, _ := h.user.CentsToPoints(ctx.RequestContext(), prod.Price)
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needPoints := ptsPerUnit * int64(req.Quantity)
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if needPoints <= 0 {
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needPoints = 1
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}
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ledgerID, err := h.user.ConsumePointsFor(ctx.RequestContext(), userID, needPoints, "products", strconv.FormatInt(req.ProductID, 10), "redeem product", "redeem_product")
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if err != nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 150102, err.Error()))
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return
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}
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resp, err := h.user.GrantReward(ctx.RequestContext(), userID, usersvc.GrantRewardRequest{ProductID: req.ProductID, Quantity: req.Quantity, Remark: prod.Name, PointsAmount: needPoints})
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if err != nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 150103, err.Error()))
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return
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}
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rsp.Success = true
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rsp.LedgerID = ledgerID
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rsp.OrderID = resp.OrderID
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rsp.InventoryIDs = resp.InventoryIDs
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rsp.Message = "ok"
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ctx.Payload(rsp)
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}
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}
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