From e2d37cd02ef07d42db2cec4418df59d5f3ca6890 Mon Sep 17 00:00:00 2001
From: dustoair <107600816+dustoair@users.noreply.github.com>
Date: Sat, 17 Sep 2022 18:57:58 +0800
Subject: [PATCH] reverse slice

---
 api/binancePrice.go | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/api/binancePrice.go b/api/binancePrice.go
index 1f71ee2..e7363b2 100644
--- a/api/binancePrice.go
+++ b/api/binancePrice.go
@@ -27,9 +27,18 @@ func GetBinanceLatestPrice(symbol string) float64 {
 
 func GetBinanceLatestPrices(symbol string) []BinancePrice {
 	var binancePrices []BinancePrice
-	global.DB.Where("symbol = ? ", symbol).Order("id desc").Find(&binancePrices)
+	//global.DB.Where("symbol = ? ", symbol).Find(&binancePrices)
+	global.DB.Where("symbol = ? ", symbol).Order("id desc").Limit(500).Find(&binancePrices)
 	//global.DB.Where("symbol = ? order by id desc", symbol).Limit(30).Find(&binancePrices)
-	return binancePrices
+	reverseSlice := func(in []BinancePrice) []BinancePrice {
+		out := make([]BinancePrice, len(in))
+		for i := range in {
+			out[i] = in[len(in)-1-i]
+		}
+		return out
+	}
+	return reverseSlice(binancePrices)
+
 }
 
 func GetSerivers(symbol string) (timeUpdate []string, symbolPrice []float64) {