GraphQL content

GqlContent

//
//  ContentView.swift
//  SwiftUI-Gql
//
//  Created by David Choi on 9/19/20.
//

import SwiftUI

struct ContentView: View {
    @ObservedObject var vehicles = ObservableVehicle()
    
    var body: some View {
        ScrollView {
            VStack (spacing: 10) {
                VStack {
                    Text("Cars").font(.system(.title))
                    ForEach(self.vehicles.cars) { car in
                        VStack {
                        Text("id \(car.id)").frame(width: 300)
                        Text("name \(car.name)")
                        Text("wheelCount \(car.wheelCount)")
                        Text("passengerCount \(car.passengerCount)")
                        }
                        .padding(.bottom, 10)
                    }
                }
                
                VStack {
                    Text("Trucks").font(.system(.title))
                    ForEach(self.vehicles.trucks) { tr in
                        VStack {
                        Text("id \(tr.id)").frame(width: 300)
                        Text("name \(tr.name)")
                        Text("wheelCount \(tr.wheelCount)")
                        Text("maxPayload \(tr.maxPayload)")
                        }
                        .padding(.bottom, 10)
                    }
                }
                
                VStack {
                    Text("Boats").font(.system(.title))
                    ForEach(self.vehicles.boats) { bt in
                        VStack {
                        Text("id \(bt.id)").frame(width: 300)
                        Text("name \(bt.name)")
                        Text("passengerCount \(bt.passengerCount)")
                        }
                        .padding(.bottom, 10)
                    }
                }
            }
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

class ObservableVehicle: ObservableObject {
    @Published var cars = [Car]()
    @Published var trucks = [Truck]()
    @Published var boats = [Boat]()
    
    init() {
        loadData()
    }
    
    func loadData() {
        GqlClient.shared.apollo.fetch(query: GetAllVehiclesQuery()) { result in
            
            switch result {
            case .success(let gqlresult):
                for vehicle in gqlresult.data!.getAllVehicles! {
                    if let car = vehicle.asCar {
                        self.cars.append(Car(car.id, car.name, car.wheelCount ?? 0, car.passengerCount ?? 0))
                    } else if let truck = vehicle.asTruck {
                        self.trucks.append(Truck(truck.id, truck.name, truck.wheelCount ?? 0, truck.maxPayload ?? 0))
                    } else if let boat = vehicle.asBoat {
                        self.boats.append(Boat(boat.id, boat.name, boat.passengerCount ?? 0))
                    }
                }
            
            case .failure(let error):
                print("Failed \(error)")
            }
        }
    }
}