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Add support for currency selection

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This commit is contained in:
Terry Yiu
2024-09-07 05:55:34 +03:00
parent cb0397ba98
commit edb10c48e6
11 changed files with 164 additions and 87 deletions
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80
Sources/SatsPrice/SatsViewModel.swift
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@@ -15,26 +15,40 @@ import SwiftUI
class SatsViewModel: ObservableObject {
@Published var lastUpdated: Date?
@Published var btcToUsdStringInternal: String = ""
@Published var btcToCurrencyStringInternal: String = ""
@Published var satsStringInternal: String = ""
@Published var btcStringInternal: String = ""
@Published var usdStringInternal: String = ""
@Published var currencyValueStringInternal: String = ""
@Published var selectedCurrency: Locale.Currency = Locale.current.currency ?? Locale.Currency("USD")
var btcToUsdString: String {
var currencies: [Locale.Currency] {
let commonISOCurrencyCodes = Set(Locale.commonISOCurrencyCodes)
let currentCurrency = Locale.current.currency ?? Locale.Currency("USD")
if commonISOCurrencyCodes.contains(currentCurrency.identifier) {
return Locale.commonISOCurrencyCodes.map { Locale.Currency($0) }
} else {
var commonAndCurrentCurrencies = Locale.commonISOCurrencyCodes
commonAndCurrentCurrencies.append(currentCurrency.identifier)
commonAndCurrentCurrencies.sort()
return commonAndCurrentCurrencies.map { Locale.Currency($0) }
}
}
var btcToCurrencyString: String {
get {
btcToUsdStringInternal
btcToCurrencyStringInternal
}
set {
guard btcToUsdStringInternal != newValue else {
guard btcToCurrencyStringInternal != newValue else {
return
}
btcToUsdStringInternal = newValue
btcToCurrencyStringInternal = newValue
if let btc, let btcToUsd {
usdStringInternal = (btc * btcToUsd).formatString()
if let btc, let btcToCurrency {
currencyValueStringInternal = (btc * btcToCurrency).formatString()
} else {
usdStringInternal = ""
currencyValueStringInternal = ""
}
}
}
@@ -57,14 +71,14 @@ class SatsViewModel: ObservableObject {
let btc = sats.divide(Decimal(100000000), 20, java.math.RoundingMode.DOWN)
#endif
btcStringInternal = btc.formatString()
if let btcToUsd {
usdStringInternal = (btc * btcToUsd).formatString()
if let btcToCurrency {
currencyValueStringInternal = (btc * btcToCurrency).formatString()
} else {
usdStringInternal = ""
currencyValueStringInternal = ""
}
} else {
btcStringInternal = ""
usdStringInternal = ""
currencyValueStringInternal = ""
}
}
}
@@ -84,35 +98,35 @@ class SatsViewModel: ObservableObject {
let sats = btc * Decimal(100000000)
satsStringInternal = sats.formatString()
if let btcToUsd {
usdStringInternal = (btc * btcToUsd).formatString()
if let btcToCurrency {
currencyValueStringInternal = (btc * btcToCurrency).formatString()
} else {
usdStringInternal = ""
currencyValueStringInternal = ""
}
} else {
satsStringInternal = ""
usdStringInternal = ""
currencyValueStringInternal = ""
}
}
}
var usdString: String {
var currencyValueString: String {
get {
usdStringInternal
currencyValueStringInternal
}
set {
guard usdStringInternal != newValue else {
guard currencyValueStringInternal != newValue else {
return
}
usdStringInternal = newValue
currencyValueStringInternal = newValue
if let usd {
if let btcToUsd {
if let currencyValue {
if let btcToCurrency {
#if !SKIP
let btc = usd / btcToUsd
let btc = currencyValue / btcToCurrency
#else
let btc = usd.divide(btcToUsd, 20, java.math.RoundingMode.DOWN)
let btc = currencyValue.divide(btcToCurrency, 20, java.math.RoundingMode.DOWN)
#endif
btcStringInternal = btc.formatString()
@@ -120,21 +134,21 @@ class SatsViewModel: ObservableObject {
satsStringInternal = sats.formatString()
} else {
satsStringInternal = ""
usdStringInternal = ""
currencyValueStringInternal = ""
}
} else {
satsStringInternal = ""
usdStringInternal = ""
currencyValueStringInternal = ""
}
}
}
var btcToUsd: Decimal? {
var btcToCurrency: Decimal? {
#if !SKIP
return Decimal(string: btcToUsdStringInternal)
return Decimal(string: btcToCurrencyStringInternal)
#else
do {
return Decimal(btcToUsdStringInternal)
return Decimal(btcToCurrencyStringInternal)
} catch {
return nil
}
@@ -165,12 +179,12 @@ class SatsViewModel: ObservableObject {
#endif
}
var usd: Decimal? {
var currencyValue: Decimal? {
#if !SKIP
return Decimal(string: usdStringInternal)
return Decimal(string: currencyValueStringInternal)
#else
do {
return Decimal(usdStringInternal)
return Decimal(currencyValueStringInternal)
} catch {
return nil
}