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comparison Simoleon/Helpers/CurrencyList.swift @ 183:d2398f02e1ce

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implement unit currency selector
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Mon, 20 Dec 2021 12:28:16 +0100
parents
children 2fc95efcb1ee
comparison
equal deleted inserted replaced
182:ba3ebe8cefe5 183:d2398f02e1ce
1 //
2 // CurrencyList.swift
3 // Simoleon
4 //
5 // Created by Dennis Concepción Martín on 20/12/21.
6 //
7
8 import SwiftUI
9
10
11 struct CurrencyList: View {
12 @Binding var baseCurrency: SupportedCurrencyResult
13 @Binding var quoteCurrency: SupportedCurrencyResult
14 var selecting: Selection
15
16 var body: some View {
17 NavigationView {
18 List {
19 let currencies = getCurrencies()
20 ForEach(currencies, id: \.self) { currency in
21 Text(currency.code)
22 }
23 }
24 .navigationTitle("Currencies")
25 }
26 }
27
28 // MARK: - Get compatible currencies given currency code
29 func getCurrencies() -> [SupportedCurrencyResult] {
30 let pairs: SupportedPairResponse = readJson(from: "SupportedCurrencies.json")
31 let currencies: SupportedCurrencyResponse = readJson(from: "SupportedCurrencies.json")
32 var supportedCurrencies = [SupportedCurrencyResult]()
33
34 if selecting == .baseCurrency {
35 // Get base currencies compatible with quote currency
36 let currencyPair = pairs.pairs.filter { $0.toCurrency == quoteCurrency.code }
37 for currencyPair in currencyPair {
38 let currency = currencies.currencies.filter { $0.code == currencyPair.fromCurrency }
39 supportedCurrencies.append(contentsOf: currency)
40 }
41 } else {
42 // Get quote currencies compatible with base currencies
43 let currencyPair = pairs.pairs.filter { $0.fromCurrency == baseCurrency.code }
44 for currencyPair in currencyPair {
45 let currency = currencies.currencies.filter { $0.code == currencyPair.toCurrency }
46 supportedCurrencies.append(contentsOf: currency)
47 }
48 }
49
50
51 return supportedCurrencies
52 }
53 }
54
55 struct CurrencyList_Previews: PreviewProvider {
56 static var previews: some View {
57 CurrencyList(
58 baseCurrency: .constant(SupportedCurrencyResult(code: "EUR", name: "Euro", isCrypto: 0)),
59 quoteCurrency: .constant(SupportedCurrencyResult(code: "CHF", name: "Swiss Franc", isCrypto: 0)),
60 selecting: .baseCurrency
61 )
62 }
63 }