//下载汇率文件接口
func (ot *OverseaTrade) MustGetExchangeRateList() (output []ExchangeRate) {
query := map[string]string{
"service": "forex_rate_file",
"partner": ot.PartnerId,
}
ot.md5Sign(query)
content := kmgHttp.MustUrlGetContent(kmgHttp.MustSetParameterMapToUrl("https://mapi.alipay.com/gateway.do", query))
lineList := strings.Split(string(content), "\n")
output = make([]ExchangeRate, 0, len(lineList))
for _, line := range lineList {
line := strings.TrimSpace(line)
if line == "" {
continue
}
part := strings.Split(line, "|")
if len(part) < 4 {
panic(fmt.Errorf("[MustGetExchangeRateList] format error"))
}
t, err := time.Parse("20060102150405", part[0]+part[1]) //考虑别处基本不会使用,就直接写在这个地方了.
if err != nil {
panic(err)
}
rate, err := kmgStrconv.ParseFloat64(part[3])
if err != nil {
panic(err)
}
output = append(output, ExchangeRate{
Time: t,
Currency: part[2],
Rate: rate,
})
}
return output
}
func (ot *OverseaTrade) mustNotifyActionV2(ctx *kmgHttp.Context, f func(info OverseaTradeTransaction)) {
kmgLog.Log("Alipay", "Oversea PayNotifyAction", ctx.GetInMap())
var err error
ctx.MustPost()
info := OverseaTradeTransaction{}
//info.NotifyId = ctx.MustInStr("notify_id") 这两项没有什么意义.
//info.NotifyTime = kmgTime.MustFromMysqlFormatInLocation(ctx.MustInStr("notify_time"), kmgTime.BeijingZone)
info.OutTradeNo = ctx.MustInStr("out_trade_no")
info.Currency = ctx.MustInStr("currency")
info.TotalFee, err = kmgStrconv.ParseFloat64(ctx.MustInStr("total_fee"))
if err != nil {
panic(err)
}
info.TradeStatus = OverseaTradeStatus(ctx.MustInStr("trade_status"))
info.TradeNo = ctx.MustInStr("trade_no")
err = ot.md5Verify(ctx.GetInMap())
if err != nil {
panic(err)
}
err = ot.VerifyNotify(ctx.MustInStr("notify_id"))
if err != nil {
panic(err)
}
// 向支付宝询问这个订单的情况
oInfo := ot.MustSingleTransactionQuery(info.OutTradeNo)
if oInfo.TradeStatus != info.TradeStatus {
panic("两次查询订单状态不一致")
}
info.Subject = oInfo.Subject
f(info)
ctx.WriteString("success")
}
func MustGetExchangeRate(from string, to string) float64 {
if !kmgStrings.IsAllAphphabet(from) {
panic(fmt.Errorf("[MustGetExchangeRate] fromName [%s] should like USD", from))
}
if !kmgStrings.IsAllAphphabet(to) {
panic(fmt.Errorf("[MustGetExchangeRate] toName [%s] should like USD", to))
}
if from == to {
panic(fmt.Errorf("[MustGetExchangeRate] fromName [%s] =toName [%s] "))
}
out := kmgHttp.MustUrlGetContent(kmgHttp.MustSetParameterMapToUrl("https://query.yahooapis.com/v1/public/yql", map[string]string{
"q": fmt.Sprintf(`select * from yahoo.finance.xchange where pair="%s%s"`, from, to),
"format": "json",
"env": "store://datatables.org/alltableswithkeys",
"callback": "",
}))
//out should look like {"query":{"count":1,"created":"2015-06-01T02:37:44Z","lang":"en","results":{"rate":{"id":"JPYCNY","Name":"JPY/CNY","Rate":"0.0501","Date":"6/1/2015","Time":"3:37am","Ask":"0.0501","Bid":"0.0501"}}}}
resp := yqlRateResponse{}
kmgJson.MustUnmarshal(out, &resp)
if resp.Query.Results.Rate.Rate == "N/A" {
panic(fmt.Errorf("[MustGetExchangeRate] Currency [%s][%s] not exist", from, to)) //有一种货币不存在.
}
rate, err := kmgStrconv.ParseFloat64(resp.Query.Results.Rate.Rate)
if err != nil {
panic(err)
}
return rate
}
//缓存时间为1天
func MustGetExchangeRateWithCache(from string, to string) float64 {
b, err := kmgCache.FileTtlCache("MustGetExchangeRateWithCache_"+from+"_"+to, func() (b []byte, ttl time.Duration, err error) {
f := MustGetExchangeRate(from, to)
return []byte(kmgStrconv.FormatFloat(f)), kmgTime.Day, nil
})
if err != nil {
panic(err)
}
f, err := kmgStrconv.ParseFloat64(string(b))
if err != nil {
panic(err)
}
return f
}
// 同步回调
// 调用前请清除您自己的参数.
// @deprecated 请使用 OverseaTrade.PayFinishCallback 和 OverseaTrade.PayCloseCallback
func (ot *OverseaTrade) MustReturnPage(ctx *kmgHttp.Context) (info OverseaTradeTransaction) {
kmgLog.Log("Alipay", "Oversea PayReturnPage", ctx.GetInMap())
var err error
info.OutTradeNo = ctx.MustInStr("out_trade_no")
info.Currency = ctx.MustInStr("currency")
info.TotalFee, err = kmgStrconv.ParseFloat64(ctx.MustInStr("total_fee"))
if err != nil {
panic(err)
}
info.TradeStatus = OverseaTradeStatus(ctx.MustInStr("trade_status"))
info.TradeNo = ctx.MustInStr("trade_no")
//这个也可以验证数据,只是文档上面没写.
err = ot.md5Verify(ctx.GetInMap())
if err != nil {
panic(err)
}
// 向支付宝询问这个订单的情况
oInfo := ot.MustSingleTransactionQuery(info.OutTradeNo)
if oInfo.TradeStatus != info.TradeStatus {
panic("两次查询订单状态不一致")
}
info.Subject = oInfo.Subject
return info
}