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annotate Simoleon/ContentView.swift @ 11:a62e5e4a4f02

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Implementing networking
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Tue, 13 Jul 2021 12:14:42 +0100
parents e0c2bda6c51f
children 81f4e0a3b1eb
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1 //
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2 // ContentView.swift
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3 // Simoleon
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4 //
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5 // Created by Dennis Concepción Martín on 08/07/2021.
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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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11 struct ContentView: View {
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12 @State private var showingView = false
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13 @State private var text = ""
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14 @State private var isEditing = false
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15 @State private var popularCurrencyPairs = [CurrencyQuoteModel()]
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16 @State private var selectedCurrencyQuote: CurrencyQuoteModel? = nil
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17 let currencyMetadata: [String: CurrencyMetadataModel] = parseJson("CurrencyMetadata.json")
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18
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19 var body: some View {
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20 if showingView {
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21 NavigationView {
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22 ScrollView(showsIndicators: false) {
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23 VStack(spacing: 20) {
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24 SearchBar(text: $text, isEditing: $isEditing)
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25 .padding(.vertical)
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26
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27 ForEach(popularCurrencyPairs, id: \.self) { currencyQuote in
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28 CurrencyRow(currencyQuote: currencyQuote)
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29 .onTapGesture { self.selectedCurrencyQuote = currencyQuote }
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30 .padding(.bottom)
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31 }
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32 }
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33 .sheet(item: self.$selectedCurrencyQuote) { currencyQuote in
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34 CurrencyConversion(currencyQuote: currencyQuote)
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35 }
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36 }
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37 .navigationTitle("Simoleon")
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38 .toolbar {
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39 ToolbarItem(placement: .primaryAction) {
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40 Button(action: { }) {
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41 Image(systemName: "gearshape")
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42 }
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43 }
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44
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45 ToolbarItem(placement: .cancellationAction) {
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46 if isEditing {
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47 Button("Cancel", action: {
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48 text = ""
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49 isEditing = false
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50 UIApplication.shared.dismissKeyboard()
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51 })
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52 }
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53 }
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54 }
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55 }
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56 } else {
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57 ProgressView()
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58 .onAppear(perform: requestPopularCurrencies)
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59 }
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60 }
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61
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62 /*
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63 Request API popular currency pairs
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64 */
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65 private func requestPopularCurrencies() {
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66 let popularCurrencyPairsArray: [String] = parseJson("PopularCurrencyPairs.json")
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67 let popularCurrencyPairsString = popularCurrencyPairsArray.joined(separator: ",")
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68 let quotes = popularCurrencyPairsString.replacingOccurrences(of: "/", with: "-")
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69 let url = "https://api.simoleon.app/quotes=\(quotes)"
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70
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71 // Request popular currencies
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72 AF.request(url).responseDecodable(of: [CurrencyQuoteModel].self) { response in
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73 if let popularCurrencyPairs = response.value {
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74 self.popularCurrencyPairs = popularCurrencyPairs
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75 self.showingView = true
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76 } else {
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77 // Handle error
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78 }
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79 }
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80 }
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81 }
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82 /*
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83 Dismiss keyboard on cancel textfield
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84 */
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85 extension UIApplication {
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86 func dismissKeyboard() {
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87 sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
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88 }
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89 }
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91
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92 struct ContentView_Previews: PreviewProvider {
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93 static var previews: some View {
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94 ContentView().environment(\.managedObjectContext, PersistenceController.preview.container.viewContext)
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95 }
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96 }