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comparison LazyBear/Helpers/MapSection.swift @ 465:6953d83060a4

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New design
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Sat, 17 Jul 2021 17:58:57 +0100
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464:04e430ef254a 465:6953d83060a4
1 //
2 // MapSection.swift
3 // lazybear
4 //
5 // Created by Dennis Concepción Martín on 17/07/2021.
6 //
7
8 import SwiftUI
9 import MapKit
10
11 struct MapSection: View {
12 var state: String
13
14 var body: some View {
15 let states: [UsStatesModel] = parseJson("UsStatesCoordinates.json")
16 let stateObject = states.first(where: { $0.state == state })
17 let region = MKCoordinateRegion(center: CLLocationCoordinate2D(latitude: stateObject?.latitude ?? 40.741895, longitude: stateObject?.longitude ?? -73.989308), span: MKCoordinateSpan(latitudeDelta: 3.5, longitudeDelta: 3.5))
18
19 Map(coordinateRegion: .constant(region))
20 .frame(height: 350)
21 }
22
23 // MARK: - PARSE JSON
24 private func parseJson<T: Decodable>(_ filename: String) -> T {
25 let data: Data
26
27 guard let file = Bundle.main.url(forResource: filename, withExtension: nil)
28 else {
29 fatalError("Couldn't find \(filename) in main bundle.")
30 }
31
32 do {
33 data = try Data(contentsOf: file)
34 } catch {
35 fatalError("Couldn't load \(filename) from main bundle:\n\(error)")
36 }
37
38 do {
39 let decoder = JSONDecoder()
40 return try decoder.decode(T.self, from: data)
41 } catch {
42 fatalError("Couldn't parse \(filename) as \(T.self):\n\(error)")
43 }
44 }
45 }
46
47 struct MapSection_Previews: PreviewProvider {
48 static var previews: some View {
49 MapSection(state: "California")
50 }
51 }