feat: creat main products query

app/service/currencyService/currencyService.go

@@ -0,0 +1,25 @@
+package currencyService
+
+import (
+	"git.ma-al.com/goc_daniel/b2b/app/model"
+	"git.ma-al.com/goc_daniel/b2b/app/repos/currencyRepo"
+)
+
+type CurrencyService struct {
+	repo currencyRepo.UICurrencyRepo
+}
+
+func (s *CurrencyService) GetCurrency(id uint) (*model.Currency, error) {
+	return s.repo.Get(id)
+}
+
+func (s *CurrencyService) CreateCurrencyRate(currency *model.CurrencyRate) error {
+	return s.repo.CreateConversionRate(currency)
+}
+
+func New() *CurrencyService {
+	repo := currencyRepo.New()
+	return &CurrencyService{
+		repo: repo,
+	}
+}