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annotate Simoleon/ContentView.swift @ 14:03ce7421c6f4

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Minor UI updates
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Wed, 14 Jul 2021 10:06:37 +0100
parents cdc5f728b105
children a02f463aa906
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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 popularCurrencyPairsQuote = [CurrencyQuoteModel()]
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16 @State private var popularSelectedCurrencyPairQuote: CurrencyQuoteModel? = nil
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17
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18 let currencyMetadata: [String: CurrencyMetadataModel] = parseJson("CurrencyMetadata.json")
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19
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20 var body: some View {
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21 if showingView {
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22 NavigationView {
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23 ScrollView(showsIndicators: false) {
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24 VStack(spacing: 30) {
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25 SearchBar(text: $text, isEditing: $isEditing)
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26 .padding(.top)
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27
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28 if text.isEmpty {
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29 ForEach(popularCurrencyPairsQuote, id: \.self) { currencyQuote in
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30 CurrencyRow(currencyQuote: currencyQuote)
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31 .onTapGesture { self.popularSelectedCurrencyPairQuote = currencyQuote }
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32 }
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33 } else {
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34 SearchedCurrencyList(text: $text)
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35 }
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36 }
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37 .padding(.vertical)
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38 .sheet(item: self.$popularSelectedCurrencyPairQuote) { currencyQuote in
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39 CurrencyConversion(currencyQuote: currencyQuote)
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40 }
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41 }
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42 .navigationTitle("Simoleon")
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43 .toolbar {
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44 ToolbarItem(placement: .cancellationAction) {
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45 if isEditing {
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46 Button("Cancel", action: {
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47 text = ""
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48 isEditing = false
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49 UIApplication.shared.dismissKeyboard()
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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 }
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55 } else {
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56 ProgressView()
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57 .onAppear(perform: requestCurrencyPairsQuote)
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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 Request API
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63 */
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64 private func requestCurrencyPairsQuote() {
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65 let popularCurrencyPairsArray: [String] = parseJson("PopularCurrencyPairs.json")
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66 let popularCurrencyPairsString = popularCurrencyPairsArray.joined(separator: ",")
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67 let quotes = popularCurrencyPairsString.replacingOccurrences(of: "/", with: "-")
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68 let url = "https://api.simoleon.app/quotes=\(quotes)"
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69
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70 // Request popular currencies
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71 AF.request(url).responseDecodable(of: [CurrencyQuoteModel].self) { response in
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72 if let currencyPairsQuote = response.value {
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73 self.popularCurrencyPairsQuote = currencyPairsQuote
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74 self.showingView = true
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75 } else {
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76 // Handle error
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77 }
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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 Dismiss keyboard on cancel textfield
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83 */
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84 extension UIApplication {
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85 func dismissKeyboard() {
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86 sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
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87 }
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88 }
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91 struct ContentView_Previews: PreviewProvider {
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92 static var previews: some View {
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93 ContentView()
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94 .environment(\.managedObjectContext, PersistenceController.preview.container.viewContext)
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95 }
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96 }