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comparison Simoleon/UI/FavoriteButton.swift @ 161:3913aff613e8

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Fix bug that didn't request API on symbol change
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Tue, 31 Aug 2021 10:57:34 +0100
parents 0c589138a6f3
children f5de15e06c77
comparison
equal deleted inserted replaced
160:0c589138a6f3 161:3913aff613e8
6 // 6 //
7 7
8 import SwiftUI 8 import SwiftUI
9 9
10 struct FavoriteButton: View { 10 struct FavoriteButton: View {
11 @ObservedObject var currencyPair: CurrencyPair 11 @ObservedObject var currencyConversion: CurrencyConversion
12 @State private var scale: CGFloat = 1 12 @State private var scale: CGFloat = 1
13 @Environment(\.managedObjectContext) private var viewContext 13 @Environment(\.managedObjectContext) private var viewContext
14 @FetchRequest(sortDescriptors: []) private var favoritePairs: FetchedResults<FavoritePair> 14 @FetchRequest(sortDescriptors: []) private var favoritePairs: FetchedResults<FavoritePair>
15 15
16 var body: some View { 16 var body: some View {
41 .animation(.linear(duration: 0.2), value: scale) 41 .animation(.linear(duration: 0.2), value: scale)
42 } 42 }
43 43
44 func add() { 44 func add() {
45 let favoritePair = FavoritePair(context: viewContext) 45 let favoritePair = FavoritePair(context: viewContext)
46 favoritePair.baseSymbol = currencyPair.baseSymbol 46 favoritePair.baseSymbol = currencyConversion.baseSymbol
47 favoritePair.quoteSymbol = currencyPair.quoteSymbol 47 favoritePair.quoteSymbol = currencyConversion.quoteSymbol
48 48
49 do { 49 do {
50 try viewContext.save() 50 try viewContext.save()
51 } catch { 51 } catch {
52 let nsError = error as NSError 52 let nsError = error as NSError
55 } 55 }
56 56
57 func remove() { 57 func remove() {
58 let favoritePair = favoritePairs.first( 58 let favoritePair = favoritePairs.first(
59 where: { 59 where: {
60 $0.baseSymbol == currencyPair.baseSymbol && $0.quoteSymbol == currencyPair.quoteSymbol 60 $0.baseSymbol == currencyConversion.baseSymbol && $0.quoteSymbol == currencyConversion.quoteSymbol
61 }) 61 })
62 62
63 viewContext.delete(favoritePair!) 63 viewContext.delete(favoritePair!)
64 64
65 do { 65 do {
71 } 71 }
72 72
73 func isFavorite() -> Bool { 73 func isFavorite() -> Bool {
74 let favoritePair = favoritePairs.first( 74 let favoritePair = favoritePairs.first(
75 where: { 75 where: {
76 $0.baseSymbol == currencyPair.baseSymbol && $0.quoteSymbol == currencyPair.quoteSymbol 76 $0.baseSymbol == currencyConversion.baseSymbol && $0.quoteSymbol == currencyConversion.quoteSymbol
77 }) 77 })
78 78
79 guard let _ = favoritePair else { return false } 79 guard let _ = favoritePair else { return false }
80 80
81 return true 81 return true
89 } 89 }
90 } 90 }
91 91
92 struct FavoriteButton_Previews: PreviewProvider { 92 struct FavoriteButton_Previews: PreviewProvider {
93 static var previews: some View { 93 static var previews: some View {
94 FavoriteButton(currencyPair: CurrencyPair()) 94 FavoriteButton(currencyConversion: CurrencyConversion())
95 } 95 }
96 } 96 }