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buy.go
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buy.go
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package MallCore
import (
"errors"
"fmt"
ClassConfig "github.com/fotomxq/weeekj_core/v5/class/config"
ClassSort "github.com/fotomxq/weeekj_core/v5/class/sort"
CoreFilter "github.com/fotomxq/weeekj_core/v5/core/filter"
CoreSQLAddress "github.com/fotomxq/weeekj_core/v5/core/sql/address"
CoreSQLFrom "github.com/fotomxq/weeekj_core/v5/core/sql/from"
CoreSQLGPS "github.com/fotomxq/weeekj_core/v5/core/sql/gps"
MallLogMod "github.com/fotomxq/weeekj_core/v5/mall/log/mod"
MapArea "github.com/fotomxq/weeekj_core/v5/map/area"
MapMathArgs "github.com/fotomxq/weeekj_core/v5/map/math/args"
MapMathPoint "github.com/fotomxq/weeekj_core/v5/map/math/point"
OrgCore "github.com/fotomxq/weeekj_core/v5/org/core"
OrgMap "github.com/fotomxq/weeekj_core/v5/org/map"
ServiceOrderWaitFields "github.com/fotomxq/weeekj_core/v5/service/order/wait_fields"
TMSUserRunning "github.com/fotomxq/weeekj_core/v5/tms/user_running"
UserIntegral "github.com/fotomxq/weeekj_core/v5/user/integral"
UserSubscription "github.com/fotomxq/weeekj_core/v5/user/subscription"
UserTicket "github.com/fotomxq/weeekj_core/v5/user/ticket"
"github.com/lib/pq"
"strconv"
"strings"
)
//购物前后的预备处理模块
// 1\验证可用性
// 2\处理交易开始，减少库存部分
// ArgsGetProductPrice 验证可用性并计算最终价格参数
type ArgsGetProductPrice struct {
//商品ID列
Products []ArgsGetProductPriceProduct `db:"products" json:"products"`
//商户ID
OrgID int64 `db:"org_id" json:"orgID" check:"id"`
//用户ID
UserID int64 `db:"user_id" json:"userID" check:"id"`
//会员配置ID
// 只能指定一个
UserSubID int64 `db:"user_sub_id" json:"userSubID" check:"id" empty:"true"`
//票据
// 可以使用的票据列，具体的配置在票据配置内进行设置
// 票据分平台和商户，平台票据需参与活动才能使用，否则将自动禁止设置和后期使用
UserTicket pq.Int64Array `db:"user_ticket" json:"userTicket" check:"ids" empty:"true"`
//是否使用积分
UseIntegral bool `db:"use_integral" json:"useIntegral" check:"bool"`
//收货地址
Address CoreSQLAddress.FieldsAddress `db:"address" json:"address"`
//是否绕过对库存限制
SkipProductCountLimit bool `json:"skipProductCountLimit" check:"bool" empty:"true"`
//配送方式
// 0 self 自运营服务; 1 自提; 2 running 跑腿服务; 3 housekeeping 家政服务
TransportType int `db:"transport_type" json:"transportType"`
}
type ArgsGetProductPriceProduct struct {
//商品ID
ID int64 `db:"id" json:"id" check:"id"`
//选项Key
// 如果给空，则该商品必须也不包含选项
OptionKey string `db:"option_key" json:"optionKey" check:"mark" empty:"true"`
//购买数量
// 如果为0，则只判断单价的价格
BuyCount int `db:"buy_count" json:"buyCount" check:"int64Than0"`
}
// DataProductPrice 外部用的计算汇总模块
// 拆分不同商品及优惠，并减免对应的费用
// 仅保留必要的信息结构，构建的外部专用信息模块
type DataProductPrice struct {
//商品结构
ProductList []FieldsCore `json:"productList"`
//分类结构列
SortList []ClassSort.FieldsSort `json:"sortList"`
//原始价格
BeforePrice int64 `json:"beforePrice"`
//最终价格
LastPrice int64 `json:"lastPrice"`
//商品最终价格
LastPriceProduct int64 `json:"lastPriceProduct"`
//可用于会员的价格部分
// 仅包含分类通用会员折扣部分，商品强制指定费用不在此处计算
LastPriceSub int64 `json:"lastPriceSub"`
//积分影响的费用
LastPriceIntegral int64 `json:"lastPriceIntegral"`
//票据影响的价格部分
LastPriceTicket int64 `json:"lastPriceTicket"`
//总的配送费用
LastPriceTransport int64 `json:"lastPriceTransport"`
//可用于会员的价格部分减免前
BeforePriceSub int64 `json:"beforePriceSub"`
//货物清单
Goods ServiceOrderWaitFields.FieldsGoods `db:"goods" json:"goods"`
//订单总的抵扣
// 例如满减活动，不局限于个别商品的活动
Exemptions ServiceOrderWaitFields.FieldsExemptions `db:"exemptions" json:"exemptions"`
//无法享受会员的商品列
NotSubProducts []int64 `json:"notSubProducts"`
//用户订阅结构
UserSubConfig UserSubscription.FieldsConfig `json:"userSubConfig"`
//票据配置列
TicketConfigs []UserTicket.FieldsConfig `json:"ticketConfigs"`
//票据对应关系
Tickets []DataProductPriceTicket `json:"tickets"`
//用户最初积分
BeforeUserIntegral int64 `json:"beforeUserIntegral"`
//用户剩余积分
LastUserIntegral int64 `json:"lastUserIntegral"`
//配送方式
TransportSystem string `db:"transport_system" json:"transportSystem"`
//配送模版及费用计算
Transports []DataProductPriceTransport `json:"transports"`
//特殊信息结构体
Infos []DataProductPriceInfo `json:"infos"`
}
// DataProductPriceInfo 信息结构体
type DataProductPriceInfo struct {
//信息标识码
Mark string `json:"mark"`
//关联的商品
ProductID int64 `json:"productID"`
//是否为隐藏项
IsHide bool `json:"isHide"`
//影响的费用
Price int64 `json:"price"`
//消息
Msg string `json:"msg"`
}
// DataProductPriceTicket 票据对应多个商品设计
type DataProductPriceTicket struct {
//票据ID
TicketID int64 `json:"ticketID"`
//可用商品
Products []int64 `json:"products"`
//该票据存在于分类列
SortIDs []int64 `json:"sortIDs"`
//是否用于订单整体抵扣
UseOrder bool `json:"useOrder"`
//预计使用数量
NeedCount int `json:"needCount"`
//用户持有总量
UserCount int `json:"userCount"`
//商品价格
Price int64 `json:"price"`
}
// DataProductPriceTransport 配送费用计算规则
type DataProductPriceTransport struct {
//计费模版结构
ConfigData FieldsTransport `json:"configData"`
//产品ID
// 免费产品部分将直接跳过
ProductIDs []int64 `json:"productIDs"`
//总重量
Weight int `json:"weight"`
//总件数
BuyCount int `json:"buyCount"`
//配送距离
DistanceM float64 `json:"distanceM"`
//费用合计
Price int64 `json:"price"`
}
// GetProductPrice 验证可用性并计算最终价格
// 只能计算同一个商户下的数据
func GetProductPrice(args *ArgsGetProductPrice) (resultData DataProductPrice, errCode string, err error) {
/**
模块计算规则
1、获取配置包
2、获取商户设置
3、遍历和处理商品
4、继续处理订单总的折扣
5、计算总的配送费
*/
//初始化数据集合
resultData.Exemptions = ServiceOrderWaitFields.FieldsExemptions{}
//拦截没有货物的请求
if len(args.Products) < 1 {
errCode = "err_buy_empty"
err = errors.New("goods is empty")
return
}
//////////////////////////////////////////////////////////////////////////////////////////////
//1、获取配置包
//////////////////////////////////////////////////////////////////////////////////////////////
//获取用户的积分
var userIntegral UserIntegral.FieldsIntegral
userIntegral, err = UserIntegral.GetUser(&UserIntegral.ArgsGetUser{
OrgID: args.OrgID,
UserID: args.UserID,
})
if err != nil {
//如果积分不存在，则自动计算为0
err = nil
}
resultData.BeforeUserIntegral = userIntegral.Count + 0
resultData.LastUserIntegral = userIntegral.Count + 0
//获取用户订阅配置
resultData.UserSubConfig, err = UserSubscription.GetConfigByID(&UserSubscription.ArgsGetConfigByID{
ID: args.UserSubID,
OrgID: args.OrgID,
})
if err != nil {
err = nil
//找不到则忽略后续处理，将自动跳过会员部分
}
//获取票据配置列
resultData.TicketConfigs, err = UserTicket.GetConfigMore(&UserTicket.ArgsGetConfigMore{
IDs: args.UserTicket,
HaveRemove: false,
})
if err != nil {
err = nil
//找不到则忽略处理，后续将跳过该部分设计
}
//////////////////////////////////////////////////////////////////////////////////////////////
//2、获取商户设置
//////////////////////////////////////////////////////////////////////////////////////////////
//获取商户配送费强制性设置
var transportOutAreaPrice int64
transportOutAreaPrice, err = OrgCore.Config.GetConfigValInt64(&ClassConfig.ArgsGetConfig{
BindID: args.OrgID,
Mark: "TransportOutAreaPrice",
VisitType: "admin",
})
if err != nil {
err = nil
transportOutAreaPrice = -1
}
//////////////////////////////////////////////////////////////////////////////////////////////
//3、遍历和处理商品
//////////////////////////////////////////////////////////////////////////////////////////////
//遍历商品
for _, vProduct := range args.Products {
//计算商品最终价格
errCode, err = getProductLastPrice(&vProduct, &resultData, args.OrgID, args.UserID, args.UserSubID, args.UserTicket, args.Address, args.TransportType, transportOutAreaPrice, args.UseIntegral, args.SkipProductCountLimit)
if err != nil {
err = errors.New(fmt.Sprint("get product last price, ", err))
return
}
}
//////////////////////////////////////////////////////////////////////////////////////////////
//4、继续处理订单总的折扣
//////////////////////////////////////////////////////////////////////////////////////////////
//计算票据抵扣费用
for kTicket, vTicket := range resultData.Tickets {
//跳过非订单抵扣部分
if !vTicket.UseOrder {
continue
}
if vTicket.NeedCount > vTicket.UserCount {
continue
}
//计算等待减免的总价格
var waitPrice = resultData.LastPriceProduct + 0
/**
for _, v := range groupTicket {
if v.TicketID != vTicket.TicketID {
continue
}
for _, v2 := range resultData.Goods {
if v.ProductID == v2.From.ID {
waitPrice += v2.Price
}
}
}
if waitPrice < 1 {
continue
}
*/
//找出票据配置
var vTicketConfig UserTicket.FieldsConfig
for _, vConfig := range resultData.TicketConfigs {
if vConfig.ID != vTicket.TicketID {
continue
}
vTicketConfig = vConfig
}
//减免价格
if vTicketConfig.ExemptionPrice > 0 {
if vTicketConfig.ExemptionMinPrice > 0 {
if waitPrice > vTicketConfig.ExemptionMinPrice {
waitPrice = waitPrice - vTicketConfig.ExemptionPrice
}
if waitPrice < vTicketConfig.ExemptionMinPrice {
waitPrice = vTicketConfig.ExemptionMinPrice
}
} else {
waitPrice = waitPrice - vTicketConfig.ExemptionPrice
}
}
if vTicketConfig.ExemptionDiscount > 0 {
if vTicketConfig.ExemptionMinPrice > 0 {
if waitPrice > vTicketConfig.ExemptionMinPrice {
waitPrice = int64(float64(waitPrice) * (float64(vTicketConfig.ExemptionDiscount) / 100))
}
if vTicket.Price < vTicketConfig.ExemptionMinPrice {
waitPrice = vTicketConfig.ExemptionMinPrice
}
} else {
waitPrice = int64(float64(waitPrice) * (float64(vTicketConfig.ExemptionDiscount) / 100))
}
}
var appendPrice = resultData.LastPriceProduct - waitPrice
if appendPrice < 1 {
appendPrice = 0
}
if appendPrice > 0 {
resultData.Tickets[kTicket].Price = waitPrice
resultData.Tickets[kTicket].NeedCount += 1
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "user_ticket",
ProductID: 0,
IsHide: false,
Price: vTicket.Price,
Msg: "票据抵扣订单费用",
})
resultData.Exemptions = append(resultData.Exemptions, ServiceOrderWaitFields.FieldsExemption{
System: "user_ticket",
ConfigID: vTicket.TicketID,
Name: vTicketConfig.Title,
Des: "票据折扣",
Count: 1,
Price: waitPrice,
})
resultData.LastPriceTicket += appendPrice
resultData.LastPriceProduct -= appendPrice
resultData.LastPrice -= appendPrice
}
}
//////////////////////////////////////////////////////////////////////////////////////////////
//5、计算总的配送费
//////////////////////////////////////////////////////////////////////////////////////////////
resultData.TransportSystem = getTransportType(args.TransportType)
switch args.TransportType {
case 2:
//根据配送方式识别配送费用
//计算配送费用
if transportOutAreaPrice > 0 {
//检查是否超出分区
var areaList []MapArea.FieldsArea
areaList, err = MapArea.CheckPointInAreas(&MapArea.ArgsCheckPointInAreas{
MapType: args.Address.MapType,
Point: CoreSQLGPS.FieldsPoint{
Longitude: args.Address.Longitude,
Latitude: args.Address.Latitude,
},
OrgID: args.OrgID,
IsParent: false,
Mark: "tms",
})
if err != nil || len(areaList) < 1 {
//超出分区后，取消错误，并增加超区价格
err = nil
resultData.LastPriceTransport += transportOutAreaPrice
resultData.LastPrice += transportOutAreaPrice
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "out_area",
ProductID: 0,
IsHide: false,
Price: transportOutAreaPrice,
Msg: "超出配送区域，增加配送价格",
})
}
} else {
//计算配送模版费用
for kTransport, vTransport := range resultData.Transports {
var transportPrice int64
transportPrice, err = getProductTransport(&vTransport, vTransport.Weight, vTransport.DistanceM, vTransport.BuyCount)
if err != nil {
errCode = "transport_price"
err = errors.New(fmt.Sprint("get product transport, ", err))
return
}
if transportPrice < 1 {
continue
}
resultData.Transports[kTransport].Price = transportPrice
resultData.LastPriceTransport += transportPrice
resultData.LastPrice += transportPrice
}
}
case 3:
//跑腿费用
var productAddress CoreSQLAddress.FieldsAddress
if len(args.Products) > 0 {
productAddress, _ = getProductAddress(args.Products[0].ID)
}
//如果组织配置、地图信息，获取发货地距离
if productAddress.Latitude < 1 && productAddress.Longitude < 1 {
orgConfigAddressGPS := OrgCore.Config.GetConfigValNoErr(args.OrgID, "OrderSendDefaultAddressGPS")
if orgConfigAddressGPS != "" {
orgConfigAddressGPSList := strings.Split(orgConfigAddressGPS, ",")
if len(orgConfigAddressGPSList) > 1 {
productAddress.Latitude, _ = strconv.ParseFloat(orgConfigAddressGPSList[0], 64)
productAddress.Longitude, _ = strconv.ParseFloat(orgConfigAddressGPSList[1], 64)
}
}
}
if productAddress.Latitude < 1 && productAddress.Longitude < 1 {
orgMapData, _ := OrgMap.GetMapByOrg(&OrgMap.ArgsGetMapByOrg{
OrgID: args.OrgID,
IsAudit: true,
})
if orgMapData.ID > 0 {
productAddress.Latitude = orgMapData.Latitude
productAddress.Longitude = orgMapData.Longitude
}
}
var goodsIDs []int64
goodsCount := 0
goodsWeight := 0
for _, v := range resultData.ProductList {
goodsWeight += v.Weight
goodsCount += 1
goodsIDs = append(goodsIDs, v.ID)
}
runningResult := TMSUserRunning.GetRunPrice(&TMSUserRunning.ArgsGetRunPrice{
WaitAt: "",
GoodType: "order",
GoodWidget: goodsWeight,
FromAddress: productAddress,
ToAddress: args.Address,
})
//合计费用到配送费
resultData.Transports = append(resultData.Transports, DataProductPriceTransport{
ConfigData: FieldsTransport{},
ProductIDs: goodsIDs,
Weight: goodsWeight,
BuyCount: goodsCount,
DistanceM: float64(runningResult.BetweenM),
Price: runningResult.TotalPrice,
})
resultData.LastPriceTransport += runningResult.TotalPrice
resultData.LastPrice += runningResult.TotalPrice
}
//修正价格
if resultData.LastPriceProduct < 1 {
resultData.LastPriceProduct = 0
}
if resultData.LastPrice < 1 {
resultData.LastPrice = 0
}
//记录购物车行为
for _, v := range resultData.ProductList {
MallLogMod.AppendLog(args.UserID, "", args.OrgID, v.ID, 2)
}
//反馈
return
}
// getProductTransport 计算商品的配送费用
func getProductTransport(configData *DataProductPriceTransport, weight int, distanceM float64, buyCount int) (lastPrice int64, err error) {
//处理免费条件
if configData.ConfigData.FreeUnit > 0 {
switch configData.ConfigData.FreeType {
case 0:
break
case 1:
if buyCount <= configData.ConfigData.FreeUnit {
return
}
case 2:
if weight <= configData.ConfigData.FreeUnit {
return
}
case 3:
if int(distanceM/1000) <= configData.ConfigData.FreeUnit {
return
}
}
}
//处理首费
switch configData.ConfigData.Rules {
case 0:
//免费配送
break
case 1:
//按件计算
if buyCount < configData.ConfigData.RulesUnit {
break
}
lastPrice = configData.ConfigData.RulesPrice
case 2:
//按重量计算
if weight < configData.ConfigData.RulesUnit {
break
}
lastPrice = configData.ConfigData.RulesPrice
case 3:
//按公里数计算
//如果符合免费标准，则跳出
if distanceM/1000 < float64(configData.ConfigData.RulesUnit) {
break
}
lastPrice = configData.ConfigData.RulesPrice
}
//计算叠加费用
var addUnit int64
switch configData.ConfigData.AddType {
case 0:
case 1:
addUnit = int64(buyCount) / int64(configData.ConfigData.AddUnit)
case 2:
addUnit = int64(weight) / int64(configData.ConfigData.AddUnit)
case 3:
addUnit = int64((distanceM/float64(1000) - float64(configData.ConfigData.RulesUnit)) / float64(configData.ConfigData.AddUnit))
}
if addUnit > 1 {
lastPrice = lastPrice + configData.ConfigData.AddPrice*addUnit
}
//反馈
return
}
// 在商品中查询票据是否可用
func findTicketInProduct(productTickets []int64, findTicket int64, productSortID int64, orgID int64) (isFind bool) {
for _, vTicketID := range productTickets {
if vTicketID != findTicket {
continue
}
isFind = true
return
}
if productSortID < 1 {
return
}
var sortParam string
var err error
sortParam, err = Sort.GetParam(&ClassSort.ArgsGetParam{
ID: productSortID,
BindID: orgID,
Mark: "user_tickets",
})
if err != nil {
return
}
//拆分数据结构体
var sortParams []string
sortParams = strings.Split(sortParam, ",")
for _, v := range sortParams {
var vInt64 int64
vInt64, err = CoreFilter.GetInt64ByString(v)
if err != nil {
err = nil
continue
}
if vInt64 == findTicket {
isFind = true
return
}
}
return
}
// 获取商品的最终费用
func getProductLastPrice(vProduct *ArgsGetProductPriceProduct, resultData *DataProductPrice, orgID, userID int64, useUserSubID int64, useUserTicketIDs []int64, buyAddress CoreSQLAddress.FieldsAddress, transportType int, transportOutAreaPrice int64, useIntegral bool, skipProductCountLimit bool) (errCode string, err error) {
//初始化
exemptions := ServiceOrderWaitFields.FieldsExemptions{}
//////////////////////////////////////////////////////////////////////////////////////////////
//获取基本信息
//////////////////////////////////////////////////////////////////////////////////////////////
//获取商品
productData, b := getProductByIDCanUse(vProduct.ID, orgID)
if !b {
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "product_not_exist",
ProductID: vProduct.ID,
IsHide: false,
Price: 0,
Msg: fmt.Sprint("商品不存在，商品ID: ", vProduct.ID),
})
errCode = "err_mall_product_not_exist"
err = errors.New("product not exist")
return
}
if productData.ParentID > 0 {
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "product_out",
ProductID: vProduct.ID,
IsHide: false,
Price: 0,
Msg: fmt.Sprint(productData.Title, "，商品已下架"),
})
errCode = "err_mall_product_not_publish"
err = errors.New("product not publish")
return
}
if !skipProductCountLimit {
var appendInfo DataProductPriceInfo
appendInfo, errCode, b = buyCheckProductCount(&productData, vProduct.OptionKey, vProduct.BuyCount)
if !b {
resultData.Infos = append(resultData.Infos, appendInfo)
err = errors.New("product not have count")
return
}
}
//////////////////////////////////////////////////////////////////////////////////////////////
//获取商品基础折扣价
//////////////////////////////////////////////////////////////////////////////////////////////
//商品价格
var productPrice = productData.Price + 0
//附加商品的当前价格
if productData.PriceExpireAt.Unix() >= CoreFilter.GetNowTime().Unix() {
productPrice = productData.PriceReal
} else {
productPrice = productData.Price
}
//////////////////////////////////////////////////////////////////////////////////////////////
//商品选项处理
//////////////////////////////////////////////////////////////////////////////////////////////
//如果商品存在选项
if len(productData.OtherOptions.DataList) > 0 {
//如果该商品没有进行选择，则跳出
if vProduct.OptionKey == "" {
//自动默认选择第一个商品
/**
errCode = "no_product_option"
err = errors.New("product have options, buy no select option key")
*/
for _, vOption := range productData.OtherOptions.DataList {
vProduct.OptionKey = vOption.Key
if vProduct.OptionKey != "" {
break
}
}
}
//遍历选项，找到对应的选项
for _, v := range productData.OtherOptions.DataList {
//跳过非本选项商品
if v.Key != vProduct.OptionKey {
continue
}
sort1Name := ""
for k2, v2 := range productData.OtherOptions.Sort1.Options {
if k2 == v.Sort1 {
sort1Name = v2
}
}
sort2Name := ""
for k2, v2 := range productData.OtherOptions.Sort2.Options {
if k2 == v.Sort2 {
sort2Name = v2
}
}
//覆盖商品的标题
productTitle := fmt.Sprint(productData.Title, "#", sort1Name, "_", sort2Name)
//如果存在商品，则覆盖本商品
if v.ProductID > 0 {
//重新获取商品
productData, b = getProductByIDCanUse(vProduct.ID, orgID)
if !b {
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "product_not_exist",
ProductID: productData.ID,
IsHide: false,
Price: 0,
Msg: fmt.Sprint("商品不存在，商品ID: ", productData.ID),
})
errCode = "err_mall_product_not_exist"
err = errors.New("product not exist")
return
}
if productData.ParentID > 0 {
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "product_out",
ProductID: productData.ID,
IsHide: false,
Price: 0,
Msg: fmt.Sprint(productTitle, "，商品已下架"),
})
errCode = "err_mall_product_not_publish"
err = errors.New("product not publish")
return
}
} else {
//如果不存在商品，则仅覆盖价格
if v.PriceExpireAt.Unix() >= CoreFilter.GetNowTime().Unix() {
productPrice = v.PriceReal
} else {
productPrice = v.Price
}
}
//保留旧的商品名称
productData.Title = productTitle
}
}
//////////////////////////////////////////////////////////////////////////////////////////////
//计算会员价
//////////////////////////////////////////////////////////////////////////////////////////////
//计算会员抵扣费用
exemptions, productPrice, err = getProductLastPriceSub(vProduct, &productData, resultData, userID, useUserSubID, productPrice, exemptions)
if err != nil {
errCode = "err_mall_product_user_sub"
return
}
//////////////////////////////////////////////////////////////////////////////////////////////
//计算积分价格
//////////////////////////////////////////////////////////////////////////////////////////////
transportFree := false
//计算积分抵扣
exemptions, productPrice, transportFree, err = getProductLastPriceIntegral(vProduct, &productData, resultData, useIntegral, productPrice, exemptions)
if err != nil {
errCode = "err_mall_product_user_integral"
return
}
//////////////////////////////////////////////////////////////////////////////////////////////
//计算票据价格
//////////////////////////////////////////////////////////////////////////////////////////////
exemptions, err = getProductLastPriceTicket(vProduct, &productData, resultData, userID, useUserTicketIDs, productPrice, exemptions)
if err != nil {
errCode = "err_mall_product_user_ticket"
return
}
//////////////////////////////////////////////////////////////////////////////////////////////
//计算配送费
//////////////////////////////////////////////////////////////////////////////////////////////
switch transportType {
case 0:
//0 self 自运营服务
errCode, err = getProductLastPriceTransport(vProduct, &productData, resultData, transportFree, transportOutAreaPrice, buyAddress)
if err != nil {
return
}
}
//////////////////////////////////////////////////////////////////////////////////////////////
//计算最后价格
//////////////////////////////////////////////////////////////////////////////////////////////
//检查商品是否为虚拟商品，订单内必须有且只有一个才会生效
var goodMark string
if productData.IsVirtual {
goodMark = "virtual"
} else {
virtual, b := productData.Params.GetValBool("virtual")
if b && virtual {
goodMark = "virtual"
}
}
otherType, b := productData.Params.GetVal("otherType")
if b && otherType != "" {
goodMark = otherType
}
//记录商品信息
resultData.ProductList = append(resultData.ProductList, productData)
if productPrice < 0 {
productPrice = 0
}
if productData.Price < 0 {
productData.Price = 0
}
if productData.PriceReal < 0 {
productData.PriceReal = 0
}
if productData.PriceExpireAt.Unix() > CoreFilter.GetNowTime().Unix() && productData.PriceReal != productData.Price {
exemptions = append(exemptions, ServiceOrderWaitFields.FieldsExemption{
System: "mall",
ConfigID: 0,
Name: "",
Des: "商品限时折扣",
Count: int64(vProduct.BuyCount),
Price: int64(vProduct.BuyCount) * (productData.Price - productData.PriceReal),
})
}
resultData.Goods = append(resultData.Goods, ServiceOrderWaitFields.FieldsGood{
From: CoreSQLFrom.FieldsFrom{
System: "mall",
ID: productData.ID,
Mark: goodMark,
Name: productData.Title,
},
OptionKey: vProduct.OptionKey,
Count: int64(vProduct.BuyCount),
Price: productPrice,
Exemptions: exemptions,
})
//计算之前的价格
resultData.BeforePrice += productData.Price * int64(vProduct.BuyCount)
if resultData.BeforePrice < 0 {
resultData.BeforePrice = 0
}
//记录最终价格
resultData.LastPrice += productPrice * int64(vProduct.BuyCount)
if resultData.LastPrice < 0 {
resultData.LastPrice = 0
}
resultData.LastPriceProduct += productPrice * int64(vProduct.BuyCount)
if resultData.LastPriceProduct < 0 {
resultData.LastPriceProduct = 0
}
//反馈
return
}
// 计算会员价格抵扣部分
func getProductLastPriceSub(vProduct *ArgsGetProductPriceProduct, productData *FieldsCore, resultData *DataProductPrice, userID int64, useUserSubID int64, productPrice int64, exemptions ServiceOrderWaitFields.FieldsExemptions) (newExemptions ServiceOrderWaitFields.FieldsExemptions, newPrice int64, err error) {
//初始化
newExemptions = exemptions
newPrice = productPrice
//如果可用会员为空，则退出
if resultData.UserSubConfig.ID < 1 {
return
}
// 是否找到的订阅
findSub := false
// 采用配置来减免费用
needConfigEx := false
var appendPrice int64 = 0
for _, vSub := range productData.UserSubPrice {
if vSub.ID != useUserSubID {
continue
}
//检查用户持有会员情况
if b := UserSubscription.CheckSub(&UserSubscription.ArgsCheckSub{
ConfigID: vSub.ID,
UserID: userID,
}); !b {
continue
}
appendPrice = productPrice - vSub.Price
//productPrice = vSub.Price
findSub = true
needConfigEx = false
}
if !findSub && productData.SortID > 0 {
//如果没有找到，则需要在分类中查询
// 如果找到，则在分类中查询
var sortParam string
sortParam, err = Sort.GetParam(&ClassSort.ArgsGetParam{
ID: productData.SortID,
BindID: productData.OrgID,
Mark: "user_subs",
})
if err == nil {
//拆分数据结构体
var sortParams []string
sortParams = strings.Split(sortParam, ",")
for _, v := range sortParams {
var vInt64 int64
vInt64, err = CoreFilter.GetInt64ByString(v)
if err != nil {
err = nil
continue
}
if vInt64 == useUserSubID {
findSub = true
needConfigEx = true
break
}
}
} else {
err = nil
}
}
//采用会员配置抵扣费用
if needConfigEx {
var newProductPrice = productPrice + 0
if resultData.UserSubConfig.ExemptionPrice > 0 {
if resultData.UserSubConfig.ExemptionMinPrice > 0 {
if newProductPrice > resultData.UserSubConfig.ExemptionMinPrice {
newProductPrice = newProductPrice - resultData.UserSubConfig.ExemptionPrice
}
if newProductPrice < resultData.UserSubConfig.ExemptionMinPrice {
newProductPrice = resultData.UserSubConfig.ExemptionMinPrice
}
} else {
newProductPrice = newProductPrice - resultData.UserSubConfig.ExemptionPrice
}
}
if resultData.UserSubConfig.ExemptionDiscount > 0 {
if resultData.UserSubConfig.ExemptionMinPrice > 0 {
if newProductPrice > resultData.UserSubConfig.ExemptionMinPrice {
newProductPrice = int64(float64(newProductPrice) * (float64(resultData.UserSubConfig.ExemptionDiscount) / 100))
}
if newProductPrice < resultData.UserSubConfig.ExemptionMinPrice {
newProductPrice = resultData.UserSubConfig.ExemptionMinPrice
}
} else {
newProductPrice = int64(float64(newProductPrice) * (float64(resultData.UserSubConfig.ExemptionDiscount) / 100))
}
}
appendPrice = productPrice - newProductPrice
if appendPrice < 1 {
appendPrice = 0
}
}
//如果还没有找到，则标记为无法使用会员商品
if !findSub {
resultData.NotSubProducts = append(resultData.NotSubProducts, productData.ID)
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "user_sub_not",
ProductID: productData.ID,
IsHide: true,
Price: 0,
Msg: "无法使用会员抵扣",
})
} else {
if appendPrice > 0 {
//记录信息
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "user_sub",
ProductID: productData.ID,
IsHide: false,
Price: productPrice,
Msg: "会员抵扣",
})
exemptions = append(exemptions, ServiceOrderWaitFields.FieldsExemption{
System: "user_sub",
ConfigID: resultData.UserSubConfig.ID,
Name: resultData.UserSubConfig.Title,
Des: "会员抵扣",
Count: int64(vProduct.BuyCount),
Price: int64(vProduct.BuyCount) * appendPrice,
})
resultData.LastPriceSub += int64(vProduct.BuyCount) * appendPrice
productPrice -= appendPrice
}
}
//反馈数据
newExemptions = exemptions
newPrice = productPrice
return
}
// 计算积分抵扣部分
func getProductLastPriceIntegral(vProduct *ArgsGetProductPriceProduct, productData *FieldsCore, resultData *DataProductPrice, useIntegral bool, productPrice int64, exemptions ServiceOrderWaitFields.FieldsExemptions) (newExemptions ServiceOrderWaitFields.FieldsExemptions, newPrice int64, transportFree bool, err error) {
//初始化
newExemptions = exemptions
newPrice = productPrice
//如果价格已经低于1，则退出
if productPrice < 1 {
return
}
//是否可用积分？
if !useIntegral {
return
}
//商品是否可兑换积分
if productData.Integral < 1 || productData.IntegralPrice < 1 {
return
}
//用户持有积分少于商品积分，则不允许
if resultData.LastUserIntegral < productData.Integral {
}
//开始处理
if productData.IntegralTransportFree {
//积分如果包含配送费，则直接跳过配送费计算
// 记录最终价格
transportFree = true
}
resultData.LastUserIntegral -= productData.Integral
resultData.Infos = append(resultData.Infos, DataProductPriceInfo{
Mark: "integral",
ProductID: productData.ID,
IsHide: false,
Price: productPrice,
Msg: "积分抵扣费用",
})
exemptions = append(exemptions, ServiceOrderWaitFields.FieldsExemption{
System: "user_integral",
ConfigID: 0,
Name: "",
Des: "积分抵扣费用",
Count: int64(vProduct.BuyCount),
Price: int64(vProduct.BuyCount) * productData.IntegralPrice,
})
productPrice = productPrice - productData.IntegralPrice
resultData.LastPriceIntegral += int64(vProduct.BuyCount) * productData.IntegralPrice
//反馈数据
newExemptions = exemptions
newPrice = productPrice
return
}
// 计算配送费用部分
func getProductLastPriceTransport(vProduct *ArgsGetProductPriceProduct, productData *FieldsCore, resultData *DataProductPrice, transportFree bool, transportOutAreaPrice int64, buyAddress CoreSQLAddress.FieldsAddress) (errCode string, err error) {
//配送费免费则跳出
if transportFree {
return
}
//其他配送费用支持
if transportOutAreaPrice > 0 {
return
}
//如果不存在配送模板，则不计算配送费用
if productData.TransportID < 1 {
return
}
//找到商品配送模版