Convert SatsPrice to a Skip multiplatform app

2024-08-31 10:24:07 +03:00
parent 29650a3ea4
commit 7f22956557
101 changed files with 1379 additions and 1095 deletions
--- a/Sources/SatsPrice/ContentView.swift
+++ b/Sources/SatsPrice/ContentView.swift
@@ -0,0 +1,122 @@
+// This is free software: you can redistribute and/or modify it
+// under the terms of the GNU General Public License 3.0
+// as published by the Free Software Foundation https://fsf.org
+
+import Combine
+import SwiftUI
+
+public struct ContentView: View {
+    @ObservedObject private var satsViewModel = SatsViewModel()
+
+    @State private var priceSource: PriceSource
+
+    private let dateFormatter: DateFormatter
+
+    private let priceFetcherDelegator: PriceFetcherDelegator
+
+    init(_ priceSource: PriceSource) {
+        dateFormatter = DateFormatter()
+        dateFormatter.dateStyle = .short
+        dateFormatter.timeStyle = .short
+
+        self.priceSource = priceSource
+        priceFetcherDelegator = PriceFetcherDelegator(priceSource)
+    }
+
+    @MainActor
+    func updatePrice() async {
+        do {
+            guard let price = try await priceFetcherDelegator.btcToUsd() else {
+                satsViewModel.btcToUsdString = ""
+                return
+            }
+
+            satsViewModel.btcToUsdString = "\(price)"
+        } catch {
+            satsViewModel.btcToUsdString = ""
+        }
+        satsViewModel.lastUpdated = Date.now
+    }
+
+    public var body: some View {
+        Form {
+            Section {
+                Picker("Price Source", selection: $priceSource) {
+                    ForEach(PriceSource.allCases, id: \.self) {
+                        Text($0.description)
+                    }
+                }
+
+                HStack {
+                    TextField("", text: $satsViewModel.btcToUsdString)
+                        .disabled(priceSource != .manual)
+#if os(iOS) || SKIP
+                        .keyboardType(.decimalPad)
+#endif
+                    if priceSource != .manual {
+                        Button(action: {
+                            Task {
+                                await updatePrice()
+                            }
+                        }) {
+                            Image(systemName: "arrow.clockwise.circle")
+                        }
+                    }
+                }
+            } header: {
+                Text("1 BTC to USD")
+            } footer: {
+                if priceSource != .manual {
+                    Text("Last updated: \(dateFormatter.string(from: satsViewModel.lastUpdated))")
+                }
+            }
+
+            Section {
+                TextField("", text: $satsViewModel.satsString)
+#if os(iOS) || SKIP
+                    .keyboardType(.numberPad)
+#endif
+            } header: {
+                Text("Sats")
+            }
+
+            Section {
+                TextField("", text: $satsViewModel.btcString)
+#if os(iOS) || SKIP
+                    .keyboardType(.decimalPad)
+#endif
+            } header: {
+                Text("BTC")
+            }
+
+            Section {
+                TextField("", text: $satsViewModel.usdString)
+#if os(iOS) || SKIP
+                    .keyboardType(.decimalPad)
+#endif
+            } header: {
+                Text("USD")
+            }
+        }
+        .task {
+            await updatePrice()
+        }
+        .onChange(of: priceSource) { newPriceSource in
+            priceFetcherDelegator.priceSource = newPriceSource
+            Task {
+                await updatePrice()
+            }
+        }
+#if os(macOS)
+        .formStyle(.grouped)
+#endif
+    }
+}
+
+#Preview {
+#if DEBUG
+    ContentView(.fake)
+#else
+    ContentView(.coinbase)
+#endif
+}