153 lines
5.2 KiB
Swift
153 lines
5.2 KiB
Swift
// This is free software: you can redistribute and/or modify it
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// under the terms of the GNU General Public License 3.0
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// as published by the Free Software Foundation https://fsf.org
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import Combine
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import SwiftUI
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public struct ContentView: View {
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let model: SatsPriceModel
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@StateObject private var satsViewModel: SatsViewModel
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private let dateFormatter: DateFormatter
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init(model: SatsPriceModel) {
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self.model = model
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_satsViewModel = StateObject<SatsViewModel>(wrappedValue: SatsViewModel(model: model))
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dateFormatter = DateFormatter()
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dateFormatter.dateStyle = .short
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dateFormatter.timeStyle = .short
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}
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public var addCurrencyView: some View {
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NavigationLink(
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destination: {
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CurrencyPickerView(satsViewModel: satsViewModel)
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},
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label: {
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Text("Change Currencies")
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}
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)
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}
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public func selectedCurrencyBinding(_ currency: Locale.Currency) -> Binding<String> {
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Binding(
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get: {
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satsViewModel.currencyValueStrings[currency, default: ""]
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},
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set: { priceString in
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satsViewModel.currencyValueStrings[currency] = priceString
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}
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)
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}
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public var body: some View {
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NavigationStack {
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Form {
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Section {
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Picker("Price Source", selection: $satsViewModel.priceSource) {
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ForEach(PriceSource.allCases, id: \.self) {
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Text($0.description)
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}
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}
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HStack {
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TextField("1 BTC to \(satsViewModel.currentCurrency.identifier)", text: satsViewModel.btcToCurrencyString(for: satsViewModel.currentCurrency))
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.disabled(satsViewModel.priceSource != .manual)
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#if os(iOS) || SKIP
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.keyboardType(.decimalPad)
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#endif
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if satsViewModel.priceSource != .manual {
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Button(action: {
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Task {
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await satsViewModel.updatePrice()
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}
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}) {
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Image(systemName: "arrow.clockwise.circle")
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}
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}
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}
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} header: {
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Text("1 BTC to \(satsViewModel.currentCurrency.identifier)")
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} footer: {
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if satsViewModel.priceSource != .manual, let lastUpdated = satsViewModel.lastUpdated {
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Text("Last updated: \(dateFormatter.string(from: lastUpdated))")
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}
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}
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Section {
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HStack {
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Text("Sats")
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TextField("Sats", text: $satsViewModel.satsString)
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#if os(iOS) || SKIP
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.keyboardType(.numberPad)
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#endif
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}
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HStack {
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Text("BTC")
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TextField("BTC", text: $satsViewModel.btcString)
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#if os(iOS) || SKIP
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.keyboardType(.decimalPad)
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#endif
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}
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} footer: {
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if satsViewModel.exceedsMaximum {
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Text("21000000 BTC is the maximum.")
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}
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}
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Section {
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HStack {
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Text(satsViewModel.currentCurrency.identifier)
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TextField(satsViewModel.currentCurrency.identifier, text: satsViewModel.currencyValueString(for: satsViewModel.currentCurrency))
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#if os(iOS) || SKIP
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.keyboardType(.decimalPad)
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#endif
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}
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}
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Section {
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if satsViewModel.priceSource != .manual {
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ForEach(satsViewModel.selectedCurrencies.sorted { $0.identifier < $1.identifier }.filter { $0 != satsViewModel.currentCurrency }, id: \.identifier) { currency in
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HStack {
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Text(currency.identifier)
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TextField(currency.identifier, text: satsViewModel.currencyValueString(for: currency))
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#if os(iOS) || SKIP
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.keyboardType(.decimalPad)
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#endif
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}
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.tag(currency.identifier)
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}
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}
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}
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if satsViewModel.priceSource != .manual {
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addCurrencyView
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}
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}
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.task {
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await satsViewModel.pullSelectedCurrenciesFromDB()
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await satsViewModel.updatePrice()
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}
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.onChange(of: satsViewModel.priceSource) { newPriceSource in
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satsViewModel.lastUpdated = nil
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Task {
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await satsViewModel.updatePrice()
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}
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}
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#if os(macOS)
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.formStyle(.grouped)
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#endif
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}
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}
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}
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#Preview {
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let satsPriceModel = try! SatsPriceModel(url: nil)
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ContentView(model: satsPriceModel)
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}
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