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annotate Simoleon/Conversion.swift @ 23:699b5bb619db

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UserSettings CoreData implemented
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Tue, 20 Jul 2021 09:54:41 +0100
parents 3596690dda73
children bda6a55d027a
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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 @Environment(\.managedObjectContext) private var viewContext
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13 @FetchRequest(sortDescriptors: []) private var userSettings: FetchedResults<UserSettings>
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15 @State private var currencyPair = "USD/GBP"
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16 @State private var amountToConvert = "1000"
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17 @State private var price: Double = 1.00
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18 @State private var showingConversion = false
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19 @State private var showingCurrencySelector = false
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20 @State private var isEditing = false
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22 let currencyMetadata: [String: CurrencyMetadataModel] = parseJson("CurrencyMetadata.json")
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23
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24 var body: some View {
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25 ScrollView(showsIndicators: false) {
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26 VStack(alignment: .leading) {
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27 HStack {
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28 Button(action: { showingCurrencySelector = true }) {
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29 RoundedRectangle(cornerRadius: 25)
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30 .foregroundColor(Color(.secondarySystemBackground))
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31 .frame(height: 65)
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32 .overlay(CurrencyRow(currencyPair: currencyPair).padding(.horizontal))
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33 }
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35 FavouriteButton(currencyPair: currencyPair)
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36 }
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38 ConversionBox(
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39 currencyPair: $currencyPair,
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40 amountToConvert: $amountToConvert,
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41 price: $price,
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42 showingConversion: $showingConversion,
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43 showingCurrencySelector: $showingCurrencySelector,
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44 isEditing: $isEditing
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45 )
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46 }
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47 .padding()
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48 .onAppear {
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49 fetchUserSettings()
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50 request(currencyPair)
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51 }
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52 .onChange(of: showingCurrencySelector, perform: { showingCurrencySelector in
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53 if !showingCurrencySelector {
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54 request(currencyPair)
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55 }
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56 })
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57 .sheet(isPresented: $showingCurrencySelector) {
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58 CurrencySelector(currencyPair: $currencyPair, showingCurrencySelector: $showingCurrencySelector)
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59 }
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60 }
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61 .navigationTitle("Conversion")
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62 .toolbar {
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63 ToolbarItem(placement: .cancellationAction) {
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64 if isEditing {
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65 Button("Cancel", action: {
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66 UIApplication.shared.dismissKeyboard()
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67 isEditing = false
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68 })
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69 }
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70 }
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71 }
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72 .if(UIDevice.current.userInterfaceIdiom == .phone) { content in
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73 NavigationView { content }
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74 }
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75 }
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77 private func request(_ currencyPair: String) {
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78 let url = "\(readConfig("API_URL")!)quotes?pairs=\(currencyPair)&api_key=\(readConfig("API_KEY")!)"
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79
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80 Simoleon.request(url: url, model: [CurrencyQuoteModel].self) { response in
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81 self.showingConversion = false
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82 if let price = response.first?.price {
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83 self.price = price
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84 self.showingConversion = true
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85 } else {
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86 // Handle error
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87 }
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88 }
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89 }
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91 /*
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92 1) Fetch default currency from User Settings
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93 2) Change State var currencyPair
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94 */
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95 private func fetchUserSettings() {
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96 if let userSettings = userSettings.first {
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97 self.currencyPair = userSettings.defaultCurrency ?? "USD/GBP"
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98 }
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99 }
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100 }
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103 struct Conversion_Previews: PreviewProvider {
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104 static var previews: some View {
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105 Conversion()
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106 }
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107 }