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comparison Simoleon/FavoritesView.swift @ 156:84137052813d

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Refactor code
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Sat, 28 Aug 2021 11:15:25 +0100
parents
children e4cbb1eea394
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155:681f2cbe8c7f 156:84137052813d
1 ////
2 //// FavoritesView.swift
3 //// Simoleon
4 ////
5 //// Created by Dennis Concepción Martín on 19/07/2021.
6 ////
7 //
8 //import SwiftUI
9 //
10 //struct FavoritesView: View {
11 // @Environment(\.managedObjectContext) private var viewContext
12 // @FetchRequest(
13 // sortDescriptors: [NSSortDescriptor(keyPath: \Favorite.currencyPair, ascending: true)],
14 // animation: .default) private var favorites: FetchedResults<Favorite>
15 //
16 // var body: some View {
17 // VStack {
18 // if favorites.isEmpty {
19 // Group {
20 // Image(systemName: "star")
21 // .font(.title)
22 //
23 // Text("Search a currency pair and add it to favorites.")
24 // .padding(.top, 5)
25 // }
26 // .multilineTextAlignment(.center)
27 // .foregroundColor(.secondary)
28 // .padding(.horizontal, 50)
29 // } else {
30 // List {
31 // ForEach(favorites) { favorite in
32 // NavigationLink(destination: Conversion()) {
33 //// CurrencyRow(currencyPairName: favorite.currencyPair)
34 // }
35 // }
36 // .onDelete(perform: removeFromFavorites)
37 // }
38 // .listStyle(PlainListStyle())
39 // .accessibilityIdentifier("FavoritesList")
40 // }
41 // }
42 // .navigationTitle("Favorites")
43 // .toolbar {
44 // #if os(iOS)
45 // EditButton()
46 // #endif
47 // }
48 // .if(UIDevice.current.userInterfaceIdiom == .phone) { content in
49 // NavigationView { content }
50 // }
51 // .onAppear {
52 // #if SCREENSHOTS
53 // generateFavoritesForScreenshots()
54 // #endif
55 // }
56 // }
57 //
58 // private func removeFromFavorites(offsets: IndexSet) {
59 // withAnimation {
60 // offsets.map { favorites[$0] }.forEach(viewContext.delete)
61 //
62 // do {
63 // try viewContext.save()
64 // } catch {
65 // let nsError = error as NSError
66 // fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
67 // }
68 // }
69 // }
70 //
71 // #if SCREENSHOTS
72 // /*
73 // Save currencies to favourites to take screenshots for the App Store
74 // */
75 // private func generateFavoritesForScreenshots() {
76 // let favoriteCurrencies = [
77 // "EUR/USD", "BTC/USD", "USD/HKD", "USD/JPY", "AUD/USD",
78 // "XAU/GBP", "DASH/ETH", "EUR/USD", "XAG/CAD"
79 // ]
80 //
81 // let coreDataCurrencyPairs = favorites.map { $0.currencyPair }
82 //
83 // for favoriteCurrency in favoriteCurrencies {
84 // if !coreDataCurrencyPairs.contains(favoriteCurrency) {
85 // let favorites = Favorite(context: viewContext)
86 // favorites.currencyPair = favoriteCurrency
87 //
88 // do {
89 // try viewContext.save()
90 // } catch {
91 // let nsError = error as NSError
92 // fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
93 // }
94 // }
95 // }
96 // }
97 // #endif
98 //}
99 //
100 //struct FavoritesView_Previews: PreviewProvider {
101 // static var previews: some View {
102 // FavoritesView()
103 // .environment(\.managedObjectContext, PersistenceController.preview.container.viewContext)
104 // }
105 //}