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annotate Simoleon/Helpers/CurrencyList.swift @ 185:2fc95efcb1ee

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connect backend
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Wed, 22 Dec 2021 16:12:23 +0100
parents d2398f02e1ce
children 1ebd1c5dd302
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1 //
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2 // CurrencyList.swift
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3 // Simoleon
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4 //
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5 // Created by Dennis Concepción Martín on 20/12/21.
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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
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11 struct CurrencyList: View {
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12 @Binding var baseCurrency: SupportedCurrencyResult
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13 @Binding var quoteCurrency: SupportedCurrencyResult
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14 var selecting: Selection
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15 @Environment(\.dismiss) var dismiss
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16
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17 var body: some View {
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18 NavigationView {
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19 List {
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20 let currencies = getCurrencies()
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21 ForEach(currencies, id: \.self) { currency in
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22 CurrencyRow(currency: currency)
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23 }
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24 }
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25 .navigationTitle("Currencies")
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26 .toolbar {
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27 ToolbarItem(placement: .destructiveAction) {
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28 Button(action: { dismiss() }) {
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29 Image(systemName: "multiply.circle.fill")
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30 }
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31 }
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32 }
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33 }
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34 }
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35
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36 // Get compatible currencies given currency code
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37 func getCurrencies() -> [SupportedCurrencyResult] {
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38 let pairs: SupportedPairResponse = readJson(from: "SupportedCurrencies.json")
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39 let currencies: SupportedCurrencyResponse = readJson(from: "SupportedCurrencies.json")
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40 var supportedCurrencies = [SupportedCurrencyResult]()
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41
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42 if selecting == .baseCurrency {
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43 // Get base currencies compatible with quote currency
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44 let currencyPair = pairs.pairs.filter { $0.toCurrency == quoteCurrency.code }
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45 for currencyPair in currencyPair {
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46 let currency = currencies.currencies.filter { $0.code == currencyPair.fromCurrency }
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47 supportedCurrencies.append(contentsOf: currency)
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48 }
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49 } else {
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50 // Get quote currencies compatible with base currencies
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51 let currencyPair = pairs.pairs.filter { $0.fromCurrency == baseCurrency.code }
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52 for currencyPair in currencyPair {
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53 let currency = currencies.currencies.filter { $0.code == currencyPair.toCurrency }
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54 supportedCurrencies.append(contentsOf: currency)
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55 }
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56 }
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57
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58
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59 return supportedCurrencies
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60 }
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61 }
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62
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63 struct CurrencyList_Previews: PreviewProvider {
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64 static var previews: some View {
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65 CurrencyList(
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66 baseCurrency: .constant(SupportedCurrencyResult(code: "EUR", name: "Euro", isCrypto: 0)),
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67 quoteCurrency: .constant(SupportedCurrencyResult(code: "CHF", name: "Swiss Franc", isCrypto: 0)),
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68 selecting: .baseCurrency
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69 )
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70 }
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71 }