refactor: move functions

botcmd_exchangerates.go

@@ -5,6 +5,7 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+	"time"
 
 	"git.gensokyo.cafe/kkyy/mycurrencynet"
 	"github.com/dustin/go-humanize"
@@ -13,6 +14,25 @@ import (
 	tele "gopkg.in/telebot.v3"
 )
 
+var exchangeRates = mycurrencynet.New()
+
+func initExchangeRates() {
+	if err := exchangeRates.Update(); err != nil {
+		logger.Panicw("Failed to update exchange rates", "err", err)
+	}
+	logger.Info("Exchange rates updated")
+
+	go exchangeRates.UpdateEvery(
+		time.Hour,
+		func(err error) {
+			logger.Errorw("Failed to update exchange rates", "err", err)
+		},
+		func() {
+			logger.Info("Exchange rates updated")
+		},
+	)
+}
+
 func handleExchangeRateCmd(c tele.Context) error {
 	msg := c.Message()
 	if msg == nil {