Initial commit

2024-02-19 01:58:22 -05:00
commit adac2bcd64
40 changed files with 2164 additions and 0 deletions
--- a/SatsPrice/ContentView.swift
+++ b/SatsPrice/ContentView.swift
@@ -0,0 +1,122 @@
+//
+//  ContentView.swift
+//  SatsPrice
+//
+//  Created by Terry Yiu on 2/19/24.
+//
+
+import SwiftUI
+import BigDecimal
+
+struct ContentView: View {
+    @ObservedObject private var satsViewModel = SatsViewModel()
+
+    @State private var spotPriceSource: SpotPriceSource = .coinbase
+
+    private let dateFormatter = DateFormatter()
+
+    private let spotPriceFetcherDelegator = SpotPriceFetcherDelegator()
+
+    init() {
+        dateFormatter.dateStyle = .short
+        dateFormatter.timeStyle = .short
+    }
+
+    @MainActor
+    func updatePrice() async {
+        do {
+            guard let price = try await spotPriceFetcherDelegator.btcToUsd() else {
+                satsViewModel.btcToUsdString = ""
+                return
+            }
+
+            satsViewModel.btcToUsdString = "\(price)"
+        } catch {
+            satsViewModel.btcToUsdString = ""
+        }
+        satsViewModel.lastUpdated = Date.now
+    }
+
+    var body: some View {
+        Form {
+            Section {
+                Picker("Price Source", selection: $spotPriceSource) {
+                    ForEach(SpotPriceSource.allCases, id: \.self) {
+                        Text($0.description)
+                    }
+                }
+                .onChange(of: spotPriceSource) { newSpotPriceSource in
+                    spotPriceFetcherDelegator.spotPriceSource = newSpotPriceSource
+                    Task {
+                        await updatePrice()
+                    }
+                }
+
+                HStack {
+                    TextField("", text: $satsViewModel.btcToUsdString)
+                        .disabled(true)
+                    Button(action: {
+                        Task {
+                            await updatePrice()
+                        }
+                    }) {
+                        Image(systemName: "arrow.clockwise")
+                    }
+                }
+            } header: {
+                Text("1 BTC to USD")
+            } footer: {
+                Text("Last updated: \(dateFormatter.string(from: satsViewModel.lastUpdated))")
+            }
+
+#if os(iOS)
+            Section {
+                TextField("", text: $satsViewModel.satsString)
+                    .keyboardType(.numberPad)
+            } header: {
+                Text("Sats")
+            }
+
+            Section {
+                TextField("", text: $satsViewModel.btcString)
+                    .keyboardType(.decimalPad)
+            } header: {
+                Text("BTC")
+            }
+
+            Section {
+                TextField("", text: $satsViewModel.usdString)
+                    .keyboardType(.decimalPad)
+            } header: {
+                Text("USD")
+            }
+#else
+            Section {
+                TextField("", text: $satsViewModel.satsString)
+            } header: {
+                Text("Sats")
+            }
+
+            Section {
+                TextField("", text: $satsViewModel.btcString)
+            } header: {
+                Text("BTC")
+            }
+
+            Section {
+                TextField("", text: $satsViewModel.usdString)
+            } header: {
+                Text("USD")
+            }
+#endif
+        }
+        .task {
+            await updatePrice()
+        }
+        .formStyle(.grouped)
+    }
+}
+
+#Preview {
+    ContentView()
+}