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comparison LazyBear/Views/Global Helpers/Extensive List/ExtensiveList.swift @ 417:5f21f7c23c5e

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Add comments and clean code
author Dennis Concepción Martín <66180929+denniscm190@users.noreply.github.com>
date Fri, 11 Jun 2021 11:37:42 +0200
parents LazyBear/Views/Global Helpers/Company list/ExtensiveList.swift@a0cf8fe47044
children 9b7af8e83d12
comparison
equal deleted inserted replaced
416:1662a41e2c1a 417:5f21f7c23c5e
1 //
2 // ExtensiveList.swift
3 // LazyBear
4 //
5 // Created by Dennis Concepción Martín on 14/4/21.
6 //
7
8 import SwiftUI
9
10 struct ExtensiveList: View {
11 var listName: String
12 var list: [String: QuoteModel]?
13 var intradayPrices: [String: [IntradayPriceModel]]?
14 var latestCurrencies: [String: CurrencyModel]?
15 var addOnDelete: Bool
16
17 @Environment(\.presentationMode) private var presentationMode
18 @Environment(\.managedObjectContext) private var moc
19 @FetchRequest(entity: WatchlistCompany.entity(), sortDescriptors: [])
20 var watchlistCompany: FetchedResults<WatchlistCompany>
21
22 @State private var isEditMode: EditMode = .inactive
23 @State private var showRenameListAction = false
24 @State private var showDeleteListAlert = false
25 @State private var showSearchView = false
26
27 var body: some View {
28 NavigationView {
29 ZStack {
30 VStack {
31 if let list = list {
32 List {
33 ForEach(Array(list.keys.sorted()), id: \.self) { companySymbol in
34 StockItem(symbol: companySymbol,
35 company: list[companySymbol]!,
36 intradayPrices: intradayPrices?[companySymbol],
37 orientation: .horizontal,
38 hidePriceView: self.isEditMode == .active // Hide on EditMode
39 )
40
41 }
42 .onDelete(perform: addOnDelete ? deleteCompany: nil)
43 }
44 }
45
46 if let latestCurrencies = latestCurrencies {
47 List(Array(latestCurrencies.keys.sorted()), id: \.self) { currencySymbol in
48 CurrencyListItem(currencySymbol: currencySymbol, currency: latestCurrencies[currencySymbol]!)
49
50 }
51 }
52 }
53
54 // Blur background
55 Color(.black)
56 .edgesIgnoringSafeArea(.all)
57 .opacity(showRenameListAction ? 0.2: 0)
58 .animation(.easeInOut)
59 .onTapGesture { showRenameListAction = false }
60
61 // Show rename Action Sheet
62 TextfieldAlert(listName: listName, showRenameAction: $showRenameListAction, presentationMode: presentationMode)
63 .offset(y: showRenameListAction ? 0: 700)
64 .animation(.easeInOut)
65 }
66 // Show delete list alert
67 .alert(isPresented: $showDeleteListAlert) {
68 Alert(
69 title: Text("Are you sure you want to delete this list?"),
70 message: Text("This action can't be undo"),
71 primaryButton: .destructive(Text("Delete")) { deleteList() },
72 secondaryButton: .cancel()
73 )
74 }
75 .navigationTitle(listName)
76 .navigationBarTitleDisplayMode(.inline)
77 .toolbar {
78 ToolbarItem(placement: .cancellationAction) {
79 if addOnDelete {
80 EditButton()
81 } else {
82 Button(action: { presentationMode.wrappedValue.dismiss() }) {
83 Image(systemName: "multiply")
84 .imageScale(.large)
85 }
86 }
87 }
88 ToolbarItem(placement: .navigationBarTrailing) {
89 if addOnDelete {
90 ToolbarMenu(showRenameListAction: $showRenameListAction, showDeleteListAlert: $showDeleteListAlert)
91 }
92 }
93 }
94 .environment(\.editMode, self.$isEditMode) // Always after Toolbar
95 }
96 }
97
98 /*
99 Delete company from watchlist
100 */
101 private func deleteCompany(at offsets: IndexSet) {
102 for index in offsets {
103 let company = watchlistCompany[index]
104 moc.delete(company)
105 }
106 do {
107 try moc.save()
108 print("Company deleted")
109 } catch {
110 print(error.localizedDescription)
111 }
112 }
113
114 /*
115 Remove entire list if it's not the last one. It can't be zero watchlists
116 */
117 private func deleteList() {
118 let selectedWatchlist = watchlistCompany.filter({ $0.watchlist == listName })
119 for company in selectedWatchlist {
120 moc.delete(company)
121 }
122 do {
123 try moc.save()
124 print("List deleted")
125 presentationMode.wrappedValue.dismiss() // Dismiss view
126 } catch {
127 print(error.localizedDescription)
128 }
129 }
130 }
131
132 struct ExtensiveList_Previews: PreviewProvider {
133 static var previews: some View {
134 ExtensiveList(listName: "List name", addOnDelete: false)
135 }
136 }