service backend

api/pkg/model/currency.go

@@ -0,0 +1,27 @@
+package model
+
+type Currency string
+
+const (
+	CurrencyEUR Currency = "EUR" // Euro
+	CurrencyUSD Currency = "USD" // US Dollar
+	CurrencyRUB Currency = "RUB" // Russian Ruble
+	CurrencyUAH Currency = "UAH" // Ukrainian Hryvnia
+	CurrencyPLN Currency = "PLN" // Polish Złoty
+	CurrencyCZK Currency = "CZK" // Czech Koruna
+)
+
+// All supported currencies
+var SupportedCurrencies = []Currency{
+	CurrencyEUR,
+	CurrencyUSD,
+	CurrencyRUB,
+	CurrencyUAH,
+	CurrencyPLN,
+	CurrencyCZK,
+}
+
+type Amount struct {
+	Total    float64  `bson:"total" json:"total"`       // Total amount billed
+	Currency Currency `bson:"currency" json:"currency"` // Currency for the invoice
+}