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annotate Simoleon/Helpers/ConversionBox.swift @ 42:d25b02d439d4

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Minor updates subscription and legal requirements
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Mon, 26 Jul 2021 15:35:06 +0100
parents 41a905e591e4
children 75c1a05176f6
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1 //
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2 // ConversionBox.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
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10 struct ConversionBox: View {
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11 @Binding var currencyPair: String
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12 @Binding var amountToConvert: String
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13 @Binding var price: Double
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14 @Binding var showingConversion: Bool
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15 @Binding var amountIsEditing: Bool
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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 VStack(alignment: .leading) {
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21 let currencies = currencyPair.split(separator: "/")
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22 Text("\(currencyMetadata[String(currencies[0])]!.name) (\(String(currencies[0])))")
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23 .font(.callout)
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24 .fontWeight(.semibold)
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25 .padding(.top, 40)
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27 ZStack(alignment: .trailing) {
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28 TextField("Enter amount", text: $amountToConvert) { startedEditing in
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29 if startedEditing {
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30 withAnimation {
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31 amountIsEditing = true
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32 }
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33 }
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34 }
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35 onCommit: {
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36 withAnimation {
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37 amountIsEditing = false
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38 }
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39 }
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40 .keyboardType(.decimalPad)
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41 .font(Font.title.weight(.semibold))
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42 .lineLimit(1)
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43 .padding(.bottom, 10)
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44 }
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45
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46 Divider()
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48 Text("\(currencyMetadata[String(currencies[1])]!.name) (\(String(currencies[1])))")
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49 .font(.callout)
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50 .fontWeight(.semibold)
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51 .padding(.top, 10)
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52
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53 if showingConversion {
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54 Text("\(makeConversion(), specifier: "%.2f")")
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55 .font(Font.title.weight(.semibold))
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56 .lineLimit(1)
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57 .padding(.top, 5)
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58 } else {
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59 ProgressView()
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60 .padding(.top, 5)
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61 }
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62 }
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63 }
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65 /*
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66 if the amount can be converted to Double -> return amount
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67 else -> return zero
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68 */
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69 private func makeConversion() -> Double {
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70 if let amountToConvert = Double(amountToConvert) {
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71 return amountToConvert * price /// Conversion
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72 } else {
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73 return 0
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74 }
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75 }
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76 }
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79 struct ConversionBox_Previews: PreviewProvider {
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80 static var previews: some View {
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81 ConversionBox(
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82 currencyPair: .constant("USD/GBP"),
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83 amountToConvert: .constant("1000"),
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84 price: .constant(1),
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85 showingConversion: .constant(false),
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86 amountIsEditing: .constant(false)
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87 )
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88 }
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89 }