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annotate Simoleon/Conversion.swift @ 19:94fd7ac93060

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author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Sun, 18 Jul 2021 20:00:05 +0100
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children c3dda63f50ed
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19
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1 //
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2 // Conversion.swift
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3 // Simoleon
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4 //
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5 // Created by Dennis Concepción Martín on 18/07/2021.
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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
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11 struct Conversion: View {
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12 @State private var mainCurrency = "USD"
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13 @State private var secondaryCurrency = "GBP"
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14 @State private var amountToConvert = "1000"
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15 @State private var price: Double = 1.00
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16 @State private var showingConversion = false
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17 @State private var showingCurrencySelector = false
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18 @State private var selectingMainCurrency = false
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19 @State private var currencyPairNotFound = false
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20
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21 let currencyMetadata: [String: CurrencyMetadataModel] = parseJson("CurrencyMetadata.json")
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22
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23 var body: some View {
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24 ScrollView(showsIndicators: false) {
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25 VStack(alignment: .leading) {
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26 HStack {
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27 Button(action: { selectingMainCurrency = true; showingCurrencySelector = true }) {
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28 CurrencyButton(currency: $mainCurrency)
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29 }
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30
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31 Button(action: { selectingMainCurrency = false; showingCurrencySelector = true }) {
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32 CurrencyButton(currency: $secondaryCurrency)
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33 }
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34 }
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35
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36 ConversionBox(
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37 mainCurrency: $mainCurrency,
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38 secondaryCurrency: $secondaryCurrency,
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39 amountToConvert: $amountToConvert,
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40 price: $price,
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41 showingConversion: $showingConversion,
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42 showingCurrencySelector: $showingCurrencySelector,
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43 currencyPairNotFound: $currencyPairNotFound
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44 )
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45 }
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46 .padding()
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47 .onAppear { requestApi(mainCurrency, secondaryCurrency) }
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48 .onChange(of: showingCurrencySelector, perform: { showingCurrencySelector in
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49 if !showingCurrencySelector {
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50 requestApi(mainCurrency, secondaryCurrency)
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51 }
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52 })
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53 .sheet(isPresented: $showingCurrencySelector) {
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54 CurrencySelector(
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55 mainCurrencySelected: $mainCurrency,
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56 secondaryCurrencySelected: $secondaryCurrency,
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57 showingCurrencySelector: $showingCurrencySelector,
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58 selectingMainCurrency: $selectingMainCurrency
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59 )
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60 }
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61 }
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62 .navigationBarHidden(true)
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63 }
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64
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65 private func requestApi(_ mainCurrency: String, _ secondaryCurrency: String) {
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66 let url = "https://api.1forge.com/quotes?pairs=\(mainCurrency)/\(secondaryCurrency)&api_key=BFWeJQ3jJtqqpDv5ArNis59pAlFcQ4KF"
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67
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68 AF.request(url).responseDecodable(of: [CurrencyQuoteModel].self) { response in
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69 self.showingConversion = false
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70 self.currencyPairNotFound = false
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71
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72 if let currencyQuotes = response.value {
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73 if let price = currencyQuotes.first?.price {
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74 self.price = price
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75 self.showingConversion = true
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76 } else {
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77 self.currencyPairNotFound = true
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78 }
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79 } else {
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80 // Handle error
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81 }
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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 Conversion_Previews: PreviewProvider {
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88 static var previews: some View {
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89 NavigationView {
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90 Conversion()
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91 }
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92 }
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93 }