feat(route): display route on the map

StepMap/ContentView.swift

@@ -5,15 +5,16 @@
 //  Created by Oliver Hnát on 23.11.2024.
 //
 
-import SwiftUI
 import MapKit
+import SwiftUI
 
 struct ContentView: View {
-    
     @ObservedObject var viewModel = ViewModel()
 
     @State private var position = MapCameraPosition.automatic
     @State private var showSearch: Bool = true
+    @State private var directions: [MKRoute] = []
+
     // TODO: create a map
     // Add navigation to the map
     // Display the calculated distance and how long will it take by walking
@@ -23,21 +24,36 @@ struct ContentView: View {
     // show how long does the route take with said walking speed
 
     var body: some View {
-        Map(position: $position)
-//            .ignoresSafeArea()
-            .sheet(isPresented: $showSearch, content: {
-                SearchView()
+        Map(position: $position) {
+            ForEach(0..<directions.count) { i in
+                MapPolyline(directions[i].polyline)
+                    .stroke(Constants.routeColor[i], lineWidth: Constants.routeWidth)
+            }
+        }
+        //            .ignoresSafeArea()
+        .sheet(
+            isPresented: $showSearch,
+            content: {
+                SearchView(directions: $directions)
             })
-//        Text("This is what's set: \(viewModel.test)")
-//        Button(action: {
-//            save(value: "te5t3")
-//        }, label: {Text("CLICK ME")})
+        //        Text("This is what's set: \(viewModel.test)")
+        //        Button(action: {
+        //            save(value: "te5t3")
+        //        }, label: {Text("CLICK ME")})
     }
 
     func save(value: String) {
         viewModel.saveValue(value)
     }
 }
+enum Constants {
+    static let routeColor: [Color] = [
+        .blue,
+        .red,
+        .yellow,
+    ]
+    static let routeWidth: CGFloat = 8
+}
 #Preview {
     ContentView()
 }

StepMap/SearchView.swift

@@ -11,6 +11,7 @@ import SwiftUI
 struct SearchView: View {
     @State private var query: String = ""
     @State private var locations: [MKMapItem] = []
+    @Binding var directions: [MKRoute]
 
     var body: some View {
         VStack {
@@ -60,9 +61,7 @@ struct SearchView: View {
                 print("Error while searching for directions")
                 return
             }
-            for route in response.routes {
-                // extract route(s)
-            }
+            self.directions = response.routes
         }
     }
 
@@ -102,5 +101,6 @@ struct TextFieldGrayBackgroudColor: ViewModifier {
 }
 
 #Preview {
-    SearchView()
+    @Previewable @State var directions: [MKRoute] = []
+    return SearchView(directions: $directions)
 }