Files
InvestmentTrackerApp/PortfolioJournal/Utilities/CurrencyFormatter.swift
T
2026-02-01 11:12:57 +01:00

49 lines
1.8 KiB
Swift

import Foundation
enum CurrencyFormatter {
static func currentCurrencyCode() -> String {
let context = CoreDataStack.shared.viewContext
return AppSettings.getOrCreate(in: context).currency
}
static func locale(for currencyCode: String?) -> Locale {
guard let currencyCode, !currencyCode.isEmpty else { return Locale.current }
if let match = Locale.availableIdentifiers.first(where: {
Locale(identifier: $0).currency?.identifier == currencyCode
}) {
return Locale(identifier: match)
}
return Locale.current
}
static func format(_ decimal: Decimal, style: NumberFormatter.Style = .currency, maximumFractionDigits: Int = 2) -> String {
let formatter = NumberFormatter()
formatter.numberStyle = style
formatter.currencyCode = currentCurrencyCode()
formatter.maximumFractionDigits = maximumFractionDigits
return formatter.string(from: decimal as NSDecimalNumber) ?? "\(decimal)"
}
static func format(
_ decimal: Decimal,
currencyCode: String?,
style: NumberFormatter.Style = .currency,
maximumFractionDigits: Int = 2,
preferredLocale: Locale? = nil
) -> String {
let formatter = NumberFormatter()
formatter.numberStyle = style
formatter.currencyCode = currencyCode ?? currentCurrencyCode()
formatter.maximumFractionDigits = maximumFractionDigits
formatter.locale = preferredLocale ?? locale(for: currencyCode)
return formatter.string(from: decimal as NSDecimalNumber) ?? "\(decimal)"
}
static func symbol(for code: String) -> String {
let formatter = NumberFormatter()
formatter.numberStyle = .currency
formatter.currencyCode = code
return formatter.currencySymbol ?? code
}
}