refactor: move currency to money package and add new type Price, refactor api and use price there too

pkg/training/model.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/google/uuid"
 	"github.com/shopspring/decimal"
-	"gitlab.mareshq.com/hq/yggdrasil/internal/currency"
+	"gitlab.mareshq.com/hq/yggdrasil/internal/money"
 )
 
 type TrainingID = uuid.UUID
@@ -24,7 +24,7 @@ type Training struct {
 
 type TrainingPrice struct {
 	Amount   decimal.Decimal
-	Currency currency.Currency
+	Currency money.Currency
 	Type     TrainingPriceType
 }
 
@@ -52,10 +52,6 @@ type TrainingDate struct {
 	Location  string
 	Address   string
 	Capacity  int8
-	Price     TrainingDatePrice
+	Price     money.Price
 }
 
-type TrainingDatePrice struct {
-	Amount   decimal.Decimal
-	Currency currency.Currency
-}