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annotate LazyBear/CompanyView.swift @ 465:6953d83060a4

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New design
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Sat, 17 Jul 2021 17:58:57 +0100
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465
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1 //
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2 // CompanyView.swift
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3 // lazybear
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4 //
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5 // Created by Dennis Concepción Martín on 17/07/2021.
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6 //
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7
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8 import SwiftUI
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9 import Alamofire
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10 import MapKit
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11
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12 struct CompanyView: View {
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13 var symbol: String
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14 @State private var companyInfo = CompanyInfoModel()
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15 @State private var companyQuote = CompanyQuoteModel()
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16 @Environment(\.managedObjectContext) private var viewContext
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17 @FetchRequest(sortDescriptors: [], animation: .default) private var companies: FetchedResults<Company>
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18
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19 var body: some View {
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20 ScrollView {
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21 VStack {
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22 MapSection(state: companyInfo.state ?? "New York")
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23
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24 VStack(alignment: .leading) {
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25 Text(companyInfo.symbol ?? "")
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26 .font(.title)
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27 .fontWeight(.semibold)
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28 .foregroundColor(.primary)
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29
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30 HStack {
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31 Text(companyInfo.companyName ?? "")
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32 Spacer()
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33 Text(companyInfo.state ?? "")
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34 }
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35 .font(.subheadline)
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36 .foregroundColor(.secondary)
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37
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38 Divider()
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39 StockSection(companyQuote: companyQuote)
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40 .padding(.bottom)
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41
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42 AboutSection(companyInfo: companyInfo)
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43
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44 Spacer()
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45 }
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46 .padding()
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47 }
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48 }
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49 .ignoresSafeArea(edges: .top)
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50 .toolbar {
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51 ToolbarItem(placement: .navigationBarTrailing) {
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52 let watchlistSymbols = companies.map { $0.symbol }
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53 if watchlistSymbols.contains(symbol) {
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54 Button(action: deleteCompanyFromWatchlist) {
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55 Image(systemName: "star.fill")
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56 .font(.system(size: 25))
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57 }
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58
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59 } else {
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60 Button(action: addCompanyToWatchlist) {
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61 Image(systemName: "star")
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62 .font(.system(size: 25))
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63 }
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64 }
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65 }
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66 }
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67 .onAppear(perform: requestApi)
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68 }
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69
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70 // MARK: - REQUEST API
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71 private func requestApi() {
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72 // Request company information
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73 var url = "https://cloud.iexapis.com/stable/stock/\(symbol)/company?token=pk_58fd944e924e4a70acf8635bc335cec4"
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74
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75 AF.request(url).responseDecodable(of: CompanyInfoModel.self) { response in
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76 if let value = response.value {
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77 self.companyInfo = value
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78 } else {
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79 // Handle error
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80 }
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81 }
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82
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83 // Request quote
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84 url = "https://cloud.iexapis.com/stable/stock/\(symbol)/quote?token=pk_58fd944e924e4a70acf8635bc335cec4"
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85 AF.request(url).responseDecodable(of: CompanyQuoteModel.self) { response in
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86 if let value = response.value {
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87 self.companyQuote = value
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88 }
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89 else {
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90 // Handle error
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91 }
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92 }
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93 }
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94
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95 // MARK: - ADD CORE DATA
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96 private func addCompanyToWatchlist() {
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97 withAnimation {
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98 let company = Company(context: viewContext)
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99 company.symbol = symbol
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100 company.companyName = companyQuote.companyName!
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101
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102 do {
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103 try viewContext.save()
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104 } catch {
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105 let nsError = error as NSError
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106 fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
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107 }
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108 }
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109 }
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110
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111 // MARK: - DELETE CORE DATA
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112 private func deleteCompanyFromWatchlist() {
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113 withAnimation {
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114 let company = companies.first(where: { $0.symbol == symbol })
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115 viewContext.delete(company!)
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116 do {
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117 try viewContext.save()
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118 } catch {
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119 let nsError = error as NSError
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120 fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
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121 }
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122 }
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123 }
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124 }
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125
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126 struct CompanyView_Previews: PreviewProvider {
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127 static var previews: some View {
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128 NavigationView {
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129 CompanyView(symbol: "AAPL")
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130 }
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131 }
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132 }