add cron job to sync currencies once in 24 hours

pkg/model/currency.go

@@ -0,0 +1,63 @@
+package model
+
+import (
+	"encoding/json"
+	"math"
+)
+
+type Currency struct {
+	tableName struct{} `pg:"currencies,alias:currencies"`
+	BaseModel
+	Rate float32 `json:"rate", pg:"rate,default:0"`
+	Name string  `json:"name", pg:"name,unique"`
+}
+
+type CurrencyEdit struct {
+	tableName struct{}    `pg:"currencies,alias:currencies"`
+	Id        string      `json:"id" form:"id"`
+	Rate      json.Number `json:"rate", form:"rate"`
+	Name      string      `json:"name", form:"name"`
+}
+
+type NewCurrencyBody struct {
+	Rate json.Number `json:"rate", form:"rate"`
+	Name string      `json:"name", form:"name"`
+}
+
+type ExchangeBody struct {
+	Base  string      `json:"base"`
+	Rates interface{} `json:"rates"`
+}
+
+type Rate struct {
+	Code string  `json:"code"`
+	Rate float64 `json:"rate"`
+}
+
+func (body *CurrencyEdit) ToCurrency() *Currency {
+	rate, _ := body.Rate.Float64()
+	tm := new(Currency)
+	tm.Id = body.Id
+	tm.Rate = float32(math.Round(rate*100) / 100)
+	tm.Name = body.Name
+
+	return tm
+}
+
+func (body *NewCurrencyBody) ToCurrency() *Currency {
+	rate, _ := body.Rate.Float64()
+	tm := new(Currency)
+	tm.Init()
+	tm.Rate = float32(math.Round(rate*100) / 100)
+	tm.Name = body.Name
+	return tm
+}
+
+func (body *ExchangeBody) Unmarshal(resp *[]interface{}) *ExchangeBody {
+	body.Base = (*resp)[3].(string)
+	// body.Rates = []Rate{}
+	// for k, v := range (*resp)[5].(map[string]interface{}) {
+	// 	body.Rates = append(body.Rates, Rate{Code: k, Rate: v.(float64)})
+	// }
+	return body
+}