Mercurial > public > lazybear

annotate LazyBear/Views/Profile/ProfileView.swift @ 392:13f3578def61

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Implement create watchlist
author Dennis Concepción Martín <66180929+denniscm190@users.noreply.github.com>
date Sat, 01 May 2021 13:11:32 +0200
parents 8ec37b2baafd
children 0a4c399170c4
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1 //
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2 // ProfileView.swift
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3 // LazyBear
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4 //
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5 // Created by Dennis Concepción Martín on 4/4/21.
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6 //
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7
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8 import SwiftUI
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9 import CoreData
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10
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11 struct ProfileView: View {
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12 @ObservedObject var profile = Profile()
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14 @Environment(\.managedObjectContext) private var moc
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15 @FetchRequest(entity: WatchlistCompany.entity(), sortDescriptors: [])
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16 var watchlistCompanies: FetchedResults<WatchlistCompany>
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18 @State private var showCreateNewWatchlist = false
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20 var body: some View {
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21 if profile.showView {
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22 NavigationView {
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23 List {
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24
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25 // Get Watchlist names -> Create rows for each watchlist -> in each row, show companies
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26 let watchlists = Set(watchlistCompanies.map { $0.watchlist }) // Set -> avoid duplicates names
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28 ForEach(Array(watchlists), id: \.self) { watchlist in
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29 let symbols = watchlistCompanies.filter({ $0.watchlist == watchlist }).map { $0.symbol }
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30
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31 if let companies = profile.data.quotes {
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32 let filteredCompanies = companies.filter({ symbols.contains($0.key) })
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33 StockRow(listName: watchlist,
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34 list: filteredCompanies,
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35 intradayPrices: profile.data.intradayPrices,
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36 addOnDelete: true
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37 )
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38 .onAppear { updateRows(symbols.count, filteredCompanies.count) }
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39 .listRowInsets(EdgeInsets())
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40 }
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41 }
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42 }
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43 .navigationTitle("My profile")
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44 .navigationBarTitleDisplayMode(.inline)
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45 .toolbar {
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46 ToolbarItem(placement: .navigationBarTrailing) {
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47 Button(action: { showCreateNewWatchlist = true }) {
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48 Image(systemName: "plus")
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49 }
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50 }
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51 }
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52 }
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53 .fullScreenCover(isPresented: $showCreateNewWatchlist) {
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54 CreateNewWatchlist()
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55 .environment(\.managedObjectContext, self.moc)
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56 }
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57 } else {
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58 ProgressView()
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59 .onAppear { prepareUrl(isInitRequest: true) }
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60 }
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61 }
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62
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63 private func prepareUrl(isInitRequest: Bool) {
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64 if watchlistCompanies.isEmpty {
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65 profile.showView = true
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66 } else {
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67 let symbols = watchlistCompanies.map { $0.symbol } // Get symbols in watchlists
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68 var url = "https://api.lazybear.app/profile/type=init/symbols="
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69
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70 var counter = 0
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71 for symbol in symbols {
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72 counter += 1
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73 if counter == 1 {
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74 url += symbol
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75 } else {
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76 url += ",\(symbol)"
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77 }
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78 }
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79 profile.request(url, isInitRequest: isInitRequest)
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80 }
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81 }
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82
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83 /*
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84 If Core Data changes, companies is not updated because the API request is not called ->
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85 Check if symbols.count (Core Data) is equal to filteredCompanies -> if not -> call API
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86 */
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87 private func updateRows(_ numberOfCoreDataCompanies: Int, _ numberOfApiRequestedCompanies: Int) {
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88 if numberOfCoreDataCompanies != numberOfApiRequestedCompanies {
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89 prepareUrl(isInitRequest: true) // Call API
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90 }
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91 }
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92 }
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93
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94 struct ProfileView_Previews: PreviewProvider {
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95 static var previews: some View {
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96 ProfileView()
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97 }
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98 }