Mercurial > public > lazybear

annotate LazyBear/Views/Profile/Helpers/WatchlistSheet.swift @ 430:c78d5b5b3bda

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Minor updates
author Dennis Concepción Martín <66180929+denniscm190@users.noreply.github.com>
date Sat, 19 Jun 2021 16:21:26 +0200
parents 8c58ce834d95
children 3ca32ff79630
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1 //
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2 // WatchlistSheet.swift
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3 // LazyBear
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4 //
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5 // Created by Dennis Concepción Martín on 16/6/21.
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6 //
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7
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8 import SwiftUI
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9
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10 struct WatchlistSheet: View {
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11 var listName: String
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12 var apiCompanies: [CompanyModel]
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13
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14 @Environment(\.presentationMode) private var watchlistSheetPresentation
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15 @Environment(\.managedObjectContext) private var moc
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16 @FetchRequest(entity: WatchlistCompany.entity(), sortDescriptors: [])
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17 var watchlistCompanies: FetchedResults<WatchlistCompany>
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18
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19 @State private var showDeleteListAlert = false
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20 @State private var showRenameListSheet = false
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21
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22 var body: some View {
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23 NavigationView {
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24 VStack {
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25 List {
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26 ForEach(watchlistCompanies.filter { $0.watchlistName == listName }, id: \.self) { watchlistCompany in
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27 let apiCompany = apiCompanies.first(where: { $0.symbol == watchlistCompany.symbol })
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28 WatchlistSheetRow(apiCompany: apiCompany!, watchlistCompany: watchlistCompany)
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29 }
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30 .onDelete(perform: deleteCompany)
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31 }
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32 }
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33 .navigationTitle(listName)
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34 .navigationBarTitleDisplayMode(.inline)
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35 .toolbar {
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36 ToolbarItem(placement: .navigationBarLeading) {
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37 Button(action: {watchlistSheetPresentation.wrappedValue.dismiss()}) {
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38 Image(systemName: "multiply")
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39 }
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40 }
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41
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42 ToolbarItem(placement: .navigationBarTrailing) {
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43 ToolbarMenu(showRenameListSheet: $showRenameListSheet, showDeleteListAlert: $showDeleteListAlert)
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44 }
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45 }
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46 }
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47 .sheet(isPresented: $showRenameListSheet) {
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48 RenameListSheet(oldWatchlistName: listName)
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49 .environment(\.managedObjectContext, self.moc)
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50 }
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51 .alert(isPresented: $showDeleteListAlert) { /// Show delete list alert
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52 Alert(
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53 title: Text("Are you sure you want to delete this list?"),
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54 message: Text("This action can't be undo"),
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55 primaryButton: .destructive(Text("Delete")) { deleteList() },
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56 secondaryButton: .cancel()
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57 )
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58 }
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59 }
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60
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61 /*
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62 Delete company from watchlist.
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63 */
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64 private func deleteCompany(at offsets: IndexSet) {
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65 let watchlistCompaniesFiltered = watchlistCompanies.filter { $0.watchlistName == listName }
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66 for index in offsets {
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67 let company = watchlistCompaniesFiltered[index]
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68 moc.delete(company)
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69 }
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70 do {
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71 try moc.save()
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72 print("Company deleted")
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73 } catch {
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74 print(error.localizedDescription)
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75 }
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76 }
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77
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78 /*
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79 Remove entire list if it's not the last one.
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80 */
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81 private func deleteList() {
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82 let watchlistCompaniesFiltered = watchlistCompanies.filter { $0.watchlistName == listName }
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83 for company in watchlistCompaniesFiltered {
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84 moc.delete(company)
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85 }
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86 do {
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87 try moc.save()
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88 print("List deleted")
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89 watchlistSheetPresentation.wrappedValue.dismiss() /// Dismiss view
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90 } catch {
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91 print(error.localizedDescription)
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92 }
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93 }
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94 }
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95
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96 struct WatchlistSheet_Previews: PreviewProvider {
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97 static var previews: some View {
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98 WatchlistSheet(
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99 listName: "Most active",
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100 apiCompanies: [CompanyModel(symbol: "aapl", companyName: "Apple Inc", latestPrice: 120.3, changePercent: 0.03, intradayPrices: [120.3])]
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101 )
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102 }
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103 }