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annotate Simoleon/UI/ConversionBox.swift @ 162:f5de15e06c77

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Refactor code
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Tue, 31 Aug 2021 13:04:28 +0100
parents 3913aff613e8
children 1940db1ef321
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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 @ObservedObject var currencyConversion: CurrencyConversion
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12 @State private var amount = ""
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13 @State private var isEditing = false
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14
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15 let networkHelper = NetworkHelper()
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16 let currencyDetails: [String: CurrencyModel] = try! readJson(from: "Currencies.json")
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17
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18 var body: some View {
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19 VStack(alignment: .leading) {
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20 let baseCurrencyName = currencyDetails[currencyConversion.baseSymbol]!.name
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21 Text("\(baseCurrencyName) (\(currencyConversion.baseSymbol))")
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22 .font(.callout)
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23 .fontWeight(.semibold)
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24
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25 ConversionTextfield(amount: $amount, isEditing: $isEditing)
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26 Divider()
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27
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28 let quoteCurrencyName = currencyDetails[currencyConversion.quoteSymbol]!.name
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29 Text("\(quoteCurrencyName) (\(currencyConversion.quoteSymbol))")
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30 .font(.callout)
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31 .fontWeight(.semibold)
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32
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33 if currencyConversion.isShowing {
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34 let conversion = convert()
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35 Text("\(conversion, specifier: "%.2f")")
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36 .font(Font.title.weight(.semibold))
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37 .lineLimit(1)
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38 } else {
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39 ProgressView()
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40 }
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41 }
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42 .toolbar {
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43 ToolbarItem(placement: .navigationBarTrailing) {
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44 if isEditing {
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45 Button(action: {
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46 UIApplication.shared.dismissKeyboard()
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47 isEditing = false
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48 }) {
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49 Text("Done")
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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
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56 private func convert() -> Double {
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57 guard let amount = Double(amount) else { return 0 }
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58 guard let price = currencyConversion.quote.price else { return 0 }
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59
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60 return amount * price
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61 }
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62 }
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63
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64 struct ConversionBox_Previews: PreviewProvider {
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65 static var previews: some View {
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66 ConversionBox(currencyConversion: CurrencyConversion())
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67 }
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68 }