Mercurial > public > simoleon

annotate Simoleon/Helpers/FavoriteButton.swift @ 138:081f0857af51

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix test crashing
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Mon, 16 Aug 2021 19:10:25 +0100
parents 501ea028ea5e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
1 //
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
2 // FavoriteButton.swift
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
3 // Simoleon
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
4 //
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
5 // Created by Dennis Concepción Martín on 19/07/2021.
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
6 //
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
7
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
8 import SwiftUI
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
9
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
10 struct FavoriteButton: View {
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
11 var currencyPair: String
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
12
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
13 @Environment(\.managedObjectContext) private var viewContext
131
501ea028ea5e Refactor code
Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
parents: 53
diff changeset
14 @FetchRequest(sortDescriptors: []) private var favorites: FetchedResults<Favorite>
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
15
50
7a6a7c677851 Handle errors with alerts
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 47
diff changeset
16 @State private var starSymbol = "star"
7a6a7c677851 Handle errors with alerts
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 47
diff changeset
17
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
18 var body: some View {
131
501ea028ea5e Refactor code
Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
parents: 53
diff changeset
19 let favoriteCurrencyPairs = favorites.map { $0.currencyPair }
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
20 Button(action: { favoriteAction(favoriteCurrencyPairs) }) {
27
d95582268b44 Fix bug CoreData and minor UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 26
diff changeset
21 RoundedRectangle(cornerRadius: 15)
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
22 .foregroundColor(Color(.secondarySystemBackground))
27
d95582268b44 Fix bug CoreData and minor UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 26
diff changeset
23 .frame(width: 60, height: 60)
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
24 .overlay(
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
25 Image(systemName: generateStar(favoriteCurrencyPairs))
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
26 .font(.system(size: 28))
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
27 .foregroundColor(Color(.systemYellow))
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
28 )
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
29 }
138
081f0857af51 Fix test crashing
Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
parents: 131
diff changeset
30 .accessibilityIdentifier("AddToFavorites")
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
31 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
32
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
33 /*
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
34 If currency pair is favorite:
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
35 * Button action is to remove from favorites
47
75c1a05176f6 Refactor code
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 42
diff changeset
36 else:
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
37 * Button action is to add to favorites
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
38 */
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
39 private func favoriteAction(_ favoriteCurrencyPairs: [String]) {
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
40 if favoriteCurrencyPairs.contains(currencyPair) {
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
41 removeFromFavorites()
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
42 } else {
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
43 addToFavorites()
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
44 }
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
45
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
46 simpleSuccess()
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
47 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
48
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
49 /*
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
50 if currency pair is favorite:
47
75c1a05176f6 Refactor code
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 42
diff changeset
51 * Return "star.fill" symbol
75c1a05176f6 Refactor code
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 42
diff changeset
52 else:
75c1a05176f6 Refactor code
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 42
diff changeset
53 * Return "star"
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
54 */
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
55 private func generateStar(_ favoriteCurrencyPairs: [String]) -> String {
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
56 if favoriteCurrencyPairs.contains(currencyPair) {
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
57 return "star.fill"
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
58 } else {
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
59 return "star"
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
60 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
61 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
62
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
63 /*
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
64 * Get first favorite core data object that matches the specified currency pair
47
75c1a05176f6 Refactor code
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 42
diff changeset
65 * Delete it
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
66 */
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
67 private func removeFromFavorites() {
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
68 withAnimation {
131
501ea028ea5e Refactor code
Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
parents: 53
diff changeset
69 let favoriteObject = favorites.first(where: { $0.currencyPair == currencyPair })
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
70 viewContext.delete(favoriteObject ?? Favorite())
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
71
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
72 do {
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
73 try viewContext.save()
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
74 } catch {
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
75 let nsError = error as NSError
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
76 fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
77 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
78 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
79 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
80
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
81 /*
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
82 * Create a favorite core data object
47
75c1a05176f6 Refactor code
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 42
diff changeset
83 * Save it
42
d25b02d439d4 Minor updates subscription and legal requirements
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 27
diff changeset
84 */
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
85 private func addToFavorites() {
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
86 withAnimation {
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
87 let favorite = Favorite(context: viewContext)
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
88 favorite.currencyPair = currencyPair
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
89
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
90 do {
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
91 try viewContext.save()
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
92 } catch {
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
93 let nsError = error as NSError
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
94 fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
95 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
96 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
97 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
98 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
99
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
100 struct FavoriteButton_Previews: PreviewProvider {
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
101 static var previews: some View {
53
b0bce2c8e4a9 Refactor UK spelling to US
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents: 50
diff changeset
102 FavoriteButton(currencyPair: "USD/GBP")
21
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
103 }
c3dda63f50ed Added Core Data and UI changes
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
104 }