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comparison LazyBear/Views/Company/Chart.swift @ 400:6055a867d2b6

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Implementing Historical Prices in Company.swift
author Dennis Concepción Martín <66180929+denniscm190@users.noreply.github.com>
date Sat, 15 May 2021 19:54:20 +0200
parents 5c99883c7964
children f843c6382529
comparison
equal deleted inserted replaced
399:5c99883c7964 400:6055a867d2b6
7 7
8 import SwiftUI 8 import SwiftUI
9 import StockCharts 9 import StockCharts
10 10
11 struct Chart: View { 11 struct Chart: View {
12 var chartData: ChartResponse 12 @ObservedObject var company: Company
13 var symbol: String 13 var symbol: String
14 14
15 // Date picker 15 // Date picker
16 var ranges = ["1D", "5D", "1M", "3M", "6M", "1Y", "5Y"] 16 var ranges = ["1D", "5D", "1M", "3M", "6M", "1Y", "5Y"]
17 @State private var selectedRange = "3M" 17 @State private var selectedRange = "3M"
18 18
19 // Set recurrent price request
20 @State private var timer = Timer.publish(every: 10, on: .main, in: .common).autoconnect()
19 21
20 var body: some View { 22 var body: some View {
21 let priceViewStyle = PriceViewStyle( 23 if company.showChartView {
22 alignment: .leading, 24 VStack {
23 priceFont: .headline, 25 DatePicker(ranges: ranges, selectedRange: $selectedRange)
24 priceFontWeight: .semibold, 26 .onChange(of: selectedRange, perform: { value in
25 percentFont: .body, 27 print(value.lowercased())
26 percentFontWeight: .medium 28 })
27 ) 29
28 30 RoundedRectangle(cornerRadius: 15)
29 VStack { 31 .foregroundColor(Color(.secondarySystemBackground))
30 DatePicker(ranges: ranges, selectedRange: $selectedRange) 32 .frame(height: 270)
31 33 .overlay(
32 RoundedRectangle(cornerRadius: 15) 34 VStack {
33 .foregroundColor(Color(.secondarySystemBackground)) 35 HStack {
34 .frame(height: 270) 36 if let quote = company.chartData.quote![symbol.uppercased()] {
35 .overlay( 37 let latestPrice = quote.latestPrice ?? 0
36 VStack { 38 let changePercent = quote.changePercent ?? 0
37 HStack { 39 let priceViewStyle = PriceViewStyle(
38 if let quote = chartData.quote![symbol.uppercased()] { 40 alignment: .leading,
39 let latestPrice = quote.latestPrice ?? 0 41 priceFont: .headline,
40 let changePercent = quote.changePercent ?? 0 42 priceFontWeight: .semibold,
41 PriceView(latestPrice: latestPrice, changePercent: changePercent, style: priceViewStyle) 43 percentFont: .body,
44 percentFontWeight: .medium
45 )
46 PriceView(latestPrice: latestPrice, changePercent: changePercent, style: priceViewStyle)
47 }
48 Spacer()
42 } 49 }
43 Spacer() 50 .padding([.top, .leading, .trailing])
44 } 51
45 .padding([.top, .leading, .trailing]) 52 if let intradayPrices = company.chartData.intradayPrices![symbol.uppercased()] {
46 53 if let prices = intradayPrices.compactMap { $0.open } { // Map without nil
47 if let intradayPrices = chartData.intradayPrices![symbol.uppercased()] { 54 LineChartView(data: prices, dates: nil, hours: nil, dragGesture: true)
48 if let prices = intradayPrices.compactMap { $0.open } { 55 .padding(.bottom)
49 LineChartView(data: prices, 56 }
50 dates: nil,
51 hours: nil,
52 dragGesture: true
53 )
54 .padding(.bottom)
55 } 57 }
56 } 58 }
59 )
60
61 if let latestNews = company.chartData.latestNews {
62 ForEach(latestNews, id: \.self) { new in
63 NewsRow(new: new)
57 } 64 }
58 )
59
60 if let latestNews = chartData.latestNews {
61 ForEach(latestNews, id: \.self) { new in
62 NewsRow(new: new)
63 } 65 }
64 } 66 }
67 .onAppear { self.timer = Timer.publish(every: 10, on: .main, in: .common).autoconnect() } // Start timer
68 .onDisappear { self.timer.upstream.connect().cancel() } // Stop timer
69 .onReceive(timer) { _ in
70 let url = "https://api.lazybear.app/company/chart/type=streaming/symbol=\(symbol)"
71 company.request(url, isInitRequest: false, "chart") } // Receive timer notification
72 } else {
73 ProgressView()
74 .onAppear {
75 let url = "https://api.lazybear.app/company/chart/type=init/symbol=\(symbol)"
76 company.request(url, isInitRequest: true, "chart")
77 }
65 } 78 }
66 } 79 }
67 } 80 }
68 81
69 struct Chart_Previews: PreviewProvider { 82 struct Chart_Previews: PreviewProvider {
70 static var previews: some View { 83 static var previews: some View {
71 Chart( 84 Chart(company: Company(), symbol: "aapl")
72 chartData: ChartResponse(
73 intradayPrices: ["AAPL": [IntradayPriceModel(open: 120.3)]],
74 quote: ["aapl": QuoteModel(changePercent: 0.03, companyName: "Apple Inc", latestPrice: 120.3)],
75 latestNews: [LatestNewsModel(
76 datetime: 1621037430000,
77 headline: "Chaos Monkeys' author calls Apple's statement on his departure defamatory",
78 image: "https://cloud.iexapis.com/v1/news/image/99abeb99-6d9e-47c8-ae7b-53404eacccec",
79 source: "Investing.com",
80 summary: "https://www.investing.com/news/stock-market-news",
81 url: "https://cloud.iexapis.com/v1/news/article/99abeb99-6d9e-47c8-ae7b-53404eacccec")]),
82
83 symbol: "aapl"
84 )
85 } 85 }
86 } 86 }