tyiu/sats-price
1
0
Fork 0
Code Issues 3 Pull Requests Actions Packages Projects Releases 3 Wiki Activity

Add support for multiple currencies

Browse Source
This commit is contained in:
Terry Yiu
2024-11-10 23:10:33 +01:00
parent 9faaa24e8d
commit 9321f920b4
5 changed files with 214 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files

102
Sources/SatsPrice/ContentView.swift
View File

@@ -10,6 +10,8 @@ public struct ContentView: View {
@State private var priceSource: PriceSource
@State private var expandAddCurrencySection: Bool = false
private let dateFormatter: DateFormatter
private let priceFetcherDelegator: PriceFetcherDelegator
@@ -26,18 +28,63 @@ public struct ContentView: View {
@MainActor
func updatePrice() async {
do {
guard let price = try await priceFetcherDelegator.convertBTC(toCurrency: satsViewModel.selectedCurrency) else {
satsViewModel.btcToCurrencyString = ""
return
}
let currencies = Set([satsViewModel.currentCurrency] + satsViewModel.currencyValueStrings.keys)
let prices = try await priceFetcherDelegator.convertBTC(toCurrencies: Array(currencies))
satsViewModel.btcToCurrencyString = "\(price)"
satsViewModel.currencyPrices = prices
satsViewModel.updateCurrencyValueStrings()
} catch {
satsViewModel.btcToCurrencyString = ""
satsViewModel.clearCurrencyValueStrings()
}
satsViewModel.lastUpdated = Date.now
}
public var addCurrencyView: some View {
DisclosureGroup("Add Currency", isExpanded: $expandAddCurrencySection) {
Picker("Currency", selection: $satsViewModel.selectedCurrency) {
ForEach(satsViewModel.currencies, id: \.self) { currency in
Group {
if let localizedCurrency = Locale.current.localizedString(forCurrencyCode: currency.identifier) {
Text("\(currency.identifier) - \(localizedCurrency)")
} else {
Text(currency.identifier)
}
}
.tag(currency.identifier)
}
}
#if os(iOS) || SKIP
.pickerStyle(.navigationLink)
#endif
let selectedCurrency = satsViewModel.selectedCurrency
if selectedCurrency == satsViewModel.currentCurrency || satsViewModel.currencyValueStrings.keys.contains(selectedCurrency) {
Text("\(selectedCurrency.identifier) has already been added")
.foregroundStyle(.secondary)
} else {
Button("Add \(selectedCurrency.identifier)") {
satsViewModel.currencyValueStrings[selectedCurrency] = ""
expandAddCurrencySection = false
Task {
await updatePrice()
}
}
}
}
}
public func selectedCurrencyBinding(_ currency: Locale.Currency) -> Binding<String> {
Binding(
get: {
satsViewModel.currencyValueStrings[currency, default: ""]
},
set: { priceString in
satsViewModel.currencyValueStrings[currency] = priceString
}
)
}
public var body: some View {
NavigationStack {
Form {
@@ -48,21 +95,8 @@ public struct ContentView: View {
}
}
Picker("Currency", selection: $satsViewModel.selectedCurrency) {
ForEach(satsViewModel.currencies, id: \.self) {
if let localizedCurrency = Locale.current.localizedString(forCurrencyCode: $0.identifier) {
Text("\($0.identifier) - \(localizedCurrency)")
} else {
Text($0.identifier)
}
}
}
#if os(iOS) || SKIP
.pickerStyle(.navigationLink)
#endif
HStack {
TextField("1 BTC to \(satsViewModel.selectedCurrency.identifier)", text: $satsViewModel.btcToCurrencyString)
TextField("1 BTC to \(satsViewModel.currentCurrency.identifier)", text: satsViewModel.btcToCurrencyString(for: satsViewModel.currentCurrency))
.disabled(priceSource != .manual)
#if os(iOS) || SKIP
.keyboardType(.decimalPad)
@@ -78,7 +112,7 @@ public struct ContentView: View {
}
}
} header: {
Text("1 BTC to \(satsViewModel.selectedCurrency.identifier)")
Text("1 BTC to \(satsViewModel.currentCurrency.identifier)")
} footer: {
if priceSource != .manual, let lastUpdated = satsViewModel.lastUpdated {
Text("Last updated: \(dateFormatter.string(from: lastUpdated))")
@@ -112,23 +146,33 @@ public struct ContentView: View {
}
Section {
TextField(satsViewModel.selectedCurrency.identifier, text: $satsViewModel.currencyValueString)
TextField(satsViewModel.currentCurrency.identifier, text: satsViewModel.currencyValueString(for: satsViewModel.currentCurrency))
#if os(iOS) || SKIP
.keyboardType(.decimalPad)
#endif
} header: {
Text(satsViewModel.selectedCurrency.identifier)
Text(satsViewModel.currentCurrency.identifier)
}
if priceSource != .manual {
ForEach(satsViewModel.currencyValueStrings.sorted { $0.key.identifier < $1.key.identifier }.filter { $0.key != satsViewModel.currentCurrency }, id: \.key.identifier) { currencyAndPrice in
Section {
TextField(currencyAndPrice.key.identifier, text: satsViewModel.currencyValueString(for: currencyAndPrice.key))
#if os(iOS) || SKIP
.keyboardType(.decimalPad)
#endif
} header: {
Text(currencyAndPrice.key.identifier)
}
.tag(currencyAndPrice.key.identifier)
}
addCurrencyView
}
}
.task {
await updatePrice()
}
.onChange(of: satsViewModel.selectedCurrency) { newCurrency in
satsViewModel.lastUpdated = nil
Task {
await updatePrice()
}
}
.onChange(of: priceSource) { newPriceSource in
satsViewModel.lastUpdated = nil
priceFetcherDelegator.priceSource = newPriceSource