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comparison Simoleon/Helpers/CurrencyConversion.swift @ 17:4a81e39186f1 v1.0

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Minor UI changes
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Thu, 15 Jul 2021 20:24:13 +0100
parents aec2e86e5dbd
children
comparison
equal deleted inserted replaced
16:aec2e86e5dbd 17:4a81e39186f1
8 import SwiftUI 8 import SwiftUI
9 import Alamofire 9 import Alamofire
10 10
11 struct CurrencyConversion: View { 11 struct CurrencyConversion: View {
12 var currency: String 12 var currency: String
13 @State private var price: Float = 1 13 @State private var price: Double = 1.00
14 @State private var amountToConvert = "100" 14 @State private var amountToConvert = "100"
15 @State private var isEditing = false 15 @State private var isEditing = false
16 @State private var showConversion = false
16 let currencyMetadata: [String: CurrencyMetadataModel] = parseJson("CurrencyMetadata.json") 17 let currencyMetadata: [String: CurrencyMetadataModel] = parseJson("CurrencyMetadata.json")
17 18
18 var body: some View { 19 var body: some View {
19 let currencies = currency.components(separatedBy: "/") 20 let currencies = currency.components(separatedBy: "/")
20 let mainCurrency = String(currencies[0]) 21 let mainCurrency = String(currencies[0])
44 onCommit: { 45 onCommit: {
45 withAnimation { 46 withAnimation {
46 isEditing = false 47 isEditing = false
47 } 48 }
48 } 49 }
50 .keyboardType(.decimalPad)
51 .lineLimit(1)
49 .padding(.horizontal) 52 .padding(.horizontal)
50 53
51 Text("\(mainCurrency)") 54 Text("\(mainCurrency)")
52 .fontWeight(.semibold) 55 .fontWeight(.semibold)
53 } 56 }
66 .aspectRatio(contentMode: .fill) 69 .aspectRatio(contentMode: .fill)
67 .frame(width: 30, height: 30) 70 .frame(width: 30, height: 30)
68 .clipShape(Circle()) 71 .clipShape(Circle())
69 .overlay(Circle().stroke(Color(.systemGray), lineWidth: 1)) 72 .overlay(Circle().stroke(Color(.systemGray), lineWidth: 1))
70 73
71 Text("\(makeConversion(), specifier: "%.2f")") 74 if showConversion {
72 .padding(.horizontal) 75 Text("\(makeConversion(), specifier: "%.4f")")
76 .lineLimit(1)
77 .padding(.horizontal)
78 } else {
79 ProgressView()
80 .padding(.horizontal)
81 }
73 82
74 Spacer() 83 Spacer()
75 Text("\(secondaryCurrency)") 84 Text("\(secondaryCurrency)")
76 .fontWeight(.semibold) 85 .fontWeight(.semibold)
77 } 86 }
78 .padding(.horizontal) 87 .padding(.horizontal)
79 } 88 }
80 .frame(height: 50) 89 .frame(height: 50)
81 .cornerRadius(13) 90 .cornerRadius(13)
82 91
83 Text("From \(currencyMetadata[secondaryCurrency]!.name) to \(currencyMetadata[mainCurrency]!.name) at \(price, specifier: "%.2f") exchange rate.") 92 if showConversion {
84 .multilineTextAlignment(.center) 93 Text("From \(currencyMetadata[mainCurrency]!.name) to \(currencyMetadata[secondaryCurrency]!.name) at \(price, specifier: "%.4f") exchange rate.")
94 .multilineTextAlignment(.center)
95 }
85 96
86 } 97 }
87 .padding() 98 .padding()
88 } 99 }
89 .onAppear { requestApi(mainCurrency, secondaryCurrency) } 100 .onAppear { requestApi(mainCurrency, secondaryCurrency) }
90 .navigationTitle("Conversion") 101 .navigationTitle("Conversion")
91 } 102 }
92 103
93 private func makeConversion() -> Float { 104 private func makeConversion() -> Double {
94 if amountToConvert.isEmpty { /// Avoid nil error when string is empty 105 if amountToConvert.isEmpty { /// Avoid nil error when string is empty
95 return 0 106 return 0
96 } else { 107 } else {
97 let conversion = Float(amountToConvert)! * price 108 let conversion = Double(amountToConvert)! * price
98 109
99 return conversion 110 return conversion
100 } 111 }
101 } 112 }
102 113
103 private func requestApi(_ mainCurrency: String, _ secondaryCurrency: String) { 114 private func requestApi(_ mainCurrency: String, _ secondaryCurrency: String) {
104 let url = "https://api.simoleon.app/quotes=\(mainCurrency)-\(secondaryCurrency)" 115 let url = "https://api.simoleon.app/quotes=\(mainCurrency)-\(secondaryCurrency)"
105 AF.request(url).responseDecodable(of: [CurrencyQuoteModel].self) { response in 116 AF.request(url).responseDecodable(of: [CurrencyQuoteModel].self) { response in
106 if let price = response.value![0].price { 117 if let currencyQuotes = response.value {
107 self.price = price 118 if let price = currencyQuotes[0].price {
119 self.price = price
120 }
121 self.showConversion = true
108 } else { 122 } else {
109 // Handle error 123 // Handle error
110 } 124 }
111 } 125 }
112 } 126 }