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annotate LazyBear/ContentView.swift @ 395:a0cf8fe47044

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Fix minor bugs
author Dennis Concepción Martín <66180929+denniscm190@users.noreply.github.com>
date Fri, 07 May 2021 11:43:47 +0200
parents 3599d303d1a0
children f9611c94d636
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1 //
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2 // ContentView.swift
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3 // LazyBear
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4 //
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5 // Created by Dennis Concepción Martín on 21/3/21.
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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 ContentView: View {
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11 @State private var showWelcome = false
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12 @State var selectedView = 1
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13
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14 @Environment(\.managedObjectContext) private var moc
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15 @FetchRequest(entity: WatchlistCompany.entity(), sortDescriptors: [])
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16 var watchlistCompanies: FetchedResults<WatchlistCompany>
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17
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18 var body: some View {
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19 TabView(selection: $selectedView) {
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20 HomeView()
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21 .tabItem {
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22 Image(systemName: "house")
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23 Text("Home")
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24 }
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25 .tag(1) // Do not remove tags. It causes an odd behaviour when showView is activated
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26 SearchView()
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27 .tabItem {
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28 Image(systemName: "magnifyingglass")
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29 Text("Search")
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30 }
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31 .tag(2)
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32 ProfileView()
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33 .tabItem {
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34 Image(systemName: "person")
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35 Text("Profile")
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36 }
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37 .tag(3)
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38 // Text("The Last Tab")
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39 // .tabItem {
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40 // Image(systemName: "4.square.fill")
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41 // Text("Forth")
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42 // }
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43 }
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44 .onAppear {
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45 // isAppAlreadyLaunchedOnce()
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46 createDefaultWatchlist()
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47 }
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48 .sheet(isPresented: $showWelcome) {
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50 }
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51 }
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52
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53 /*
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54 Check if app is already launched one -> If not show welcome
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55 */
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56 // private func isAppAlreadyLaunchedOnce() {
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57 // let defaults = UserDefaults.standard
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58 //
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59 // if let isAppAlreadyLaunchedOnce = defaults.string(forKey: "IsAppAlreadyLaunchedOnce") {
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60 // print("App already launched : \(isAppAlreadyLaunchedOnce)")
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61 // self.showWelcome = true
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62 // }
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63 // }
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64
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65 /*
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66 Check if exist default watchlist (Core Data) -> if not, create it
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67 */
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68 private func createDefaultWatchlist() {
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69 let defaultCompanies = [("TSLA", "Tesla Inc"), ("AAPL", "Apple Inc"), ("MSFT", "Microsoft Corporation"), ("GS", "Goldman Sachs Group, Inc.")]
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70 if watchlistCompanies.isEmpty {
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71 for tupleCompany in defaultCompanies {
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72 let watchlistCompany = WatchlistCompany(context: moc)
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73 watchlistCompany.symbol = tupleCompany.0
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74 watchlistCompany.name = tupleCompany.1
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75 watchlistCompany.watchlist = "Default watchlist"
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76 }
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77 do {
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78 try moc.save()
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79 print("Default watchlist created")
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80 } catch {
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81 print(error.localizedDescription)
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82 }
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83 }
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84 }
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85 }
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86
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87 struct ContentView_Previews: PreviewProvider {
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88 static var previews: some View {
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89 ContentView()
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90 }
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91 }