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comparison LazyBear/Views/Profile/ProfileView.swift @ 390:6303385b3629

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Companies added to watchlists now are correctly updated
author Dennis Concepción Martín <66180929+denniscm190@users.noreply.github.com>
date Sun, 25 Apr 2021 19:52:04 +0200
parents db8bc3ed526a
children 8ec37b2baafd
comparison
equal deleted inserted replaced
389:db8bc3ed526a 390:6303385b3629
10 10
11 struct ProfileView: View { 11 struct ProfileView: View {
12 @ObservedObject var profile = Profile() 12 @ObservedObject var profile = Profile()
13 @FetchRequest(entity: WatchlistCompany.entity(), sortDescriptors: []) 13 @FetchRequest(entity: WatchlistCompany.entity(), sortDescriptors: [])
14 var watchlistCompanies: FetchedResults<WatchlistCompany> 14 var watchlistCompanies: FetchedResults<WatchlistCompany>
15
16 // Refresh view when watchlistCompanies change
17 @State private var refreshing = false
18 private var didSave = NotificationCenter.default.publisher(for: .NSManagedObjectContextDidSave)
19 15
20 var body: some View { 16 var body: some View {
21 if profile.showView { 17 if profile.showView {
22 NavigationView { 18 NavigationView {
19 // Get Watchlist names -> Create rows for each watchlist -> in each row, show companies
23 List { 20 List {
24 // Take all the different watchlist created
25 let watchlists = Set(watchlistCompanies.map { $0.watchlist }) // Set -> avoid duplicates names 21 let watchlists = Set(watchlistCompanies.map { $0.watchlist }) // Set -> avoid duplicates names
22
26 ForEach(Array(watchlists), id: \.self) { watchlist in 23 ForEach(Array(watchlists), id: \.self) { watchlist in
27
28 // Get all the symbols of this watchlist
29 let symbols = watchlistCompanies.filter({ $0.watchlist == watchlist }).map { $0.symbol } 24 let symbols = watchlistCompanies.filter({ $0.watchlist == watchlist }).map { $0.symbol }
30 25
31 if let companies = profile.data.quotes { 26 if let companies = profile.data.quotes {
32 let filteredCompanies = companies.filter({ symbols.contains($0.key) }) 27 let filteredCompanies = companies.filter({ symbols.contains($0.key) })
33 StockRow(listName: watchlist, 28 StockRow(listName: watchlist,
34 list: filteredCompanies, 29 list: filteredCompanies,
35 intradayPrices: profile.data.intradayPrices, 30 intradayPrices: profile.data.intradayPrices,
36 addOnDelete: true 31 addOnDelete: true
37 ) 32 )
33 .onAppear { updateRows(symbols.count, filteredCompanies.count) }
38 .listRowInsets(EdgeInsets()) 34 .listRowInsets(EdgeInsets())
39 } 35 }
40 }
41 // The listener for refresh the view
42 .onReceive(self.didSave) { _ in
43 self.refreshing.toggle()
44 } 36 }
45 } 37 }
46 .navigationTitle("My profile") 38 .navigationTitle("My profile")
47 .navigationBarTitleDisplayMode(.inline) 39 .navigationBarTitleDisplayMode(.inline)
48 .toolbar { 40 .toolbar {
53 } 45 }
54 } 46 }
55 } 47 }
56 } else { 48 } else {
57 ProgressView() 49 ProgressView()
58 .onAppear { prepareUrl() } 50 .onAppear { prepareUrl(isInitRequest: true) }
59 } 51 }
60 } 52 }
61 53
62 private func prepareUrl() { 54 private func prepareUrl(isInitRequest: Bool) {
63 if watchlistCompanies.isEmpty { 55 if watchlistCompanies.isEmpty {
64 profile.showView = true 56 profile.showView = true
65 } else { 57 } else {
66 let symbols = watchlistCompanies.map { $0.symbol } // Get symbols in watchlists 58 let symbols = watchlistCompanies.map { $0.symbol } // Get symbols in watchlists
67 var url = "https://api.lazybear.app/profile/type=init/symbols=" 59 var url = "https://api.lazybear.app/profile/type=init/symbols="
73 url += symbol 65 url += symbol
74 } else { 66 } else {
75 url += ",\(symbol)" 67 url += ",\(symbol)"
76 } 68 }
77 } 69 }
78 profile.request(url) 70 profile.request(url, isInitRequest: isInitRequest)
71 }
72 }
73
74 /*
75 If Core Data changes, companies is not updated because the API request is not called ->
76 Check if symbols.count (Core Data) is equal to filteredCompanies -> if not -> call API
77 */
78 private func updateRows(_ numberOfCoreDataCompanies: Int, _ numberOfApiRequestedCompanies: Int) {
79 if numberOfCoreDataCompanies != numberOfApiRequestedCompanies {
80 prepareUrl(isInitRequest: true) // Call API
79 } 81 }
80 } 82 }
81 } 83 }
82 84
83 struct ProfileView_Previews: PreviewProvider { 85 struct ProfileView_Previews: PreviewProvider {