feat(search): search for a location and get directions to it

README.md

@@ -1,6 +1,6 @@
 # StepMap
 ## TODO:
-- [ ] Create a map
+- [x] Create a map
 - [ ] Add navigation to the map
 - [ ] Display the calculated distance and how long will it take by walking
 - [ ] Get walkingStepLength from HealthKit

StepMap/SearchItemView.swift

@@ -0,0 +1,17 @@
+//
+//  SearchItemView.swift
+//  StepMap
+//
+//  Created by Oliver Hnát on 23.11.2024.
+//
+
+import MapKit
+import SwiftUI
+
+struct SearchItemView: View {
+    var location: MKMapItem
+
+    var body: some View {
+        Text("\(location.name ?? "")")
+    }
+}

StepMap/SearchView.swift

@@ -5,11 +5,13 @@
 //  Created by Oliver Hnát on 23.11.2024.
 //
 
-import SwiftUI
 import MapKit
+import SwiftUI
 
 struct SearchView: View {
     @State private var query: String = ""
+    @State private var locations: [MKMapItem] = []
+
     var body: some View {
         VStack {
             HStack {
@@ -21,33 +23,70 @@ struct SearchView: View {
                     }
             }
             .modifier(TextFieldGrayBackgroudColor())
-            Text("\($query.wrappedValue)")
             Spacer()
+            List(self.locations, id: \.identifier) { location in
+                Button(
+                    action: {
+                        self.findDirections(to: location)
+                    },
+                    label: {
+                        SearchItemView(location: location)
+                    })
+            }
         }
         .padding()
         .interactiveDismissDisabled()
-        
+
         .presentationDetents([.height(200), .large])
         .presentationBackground(.regularMaterial)
         .presentationBackgroundInteraction(.enabled(upThrough: .large))
     }
-    
+
+    func findDirections(to place: MKMapItem) {
+        let directionsRequest = MKDirections.Request()
+        //        directionsRequest.source = MKMapItem.forCurrentLocation()
+        directionsRequest.source = MKMapItem.init(
+            placemark: MKPlacemark(
+                coordinate: CLLocationCoordinate2D(latitude: 52.3676, longitude: 4.9041)))
+        directionsRequest.destination = place
+        directionsRequest.transportType = .walking
+        directionsRequest.requestsAlternateRoutes = false  // TODO: make alternative routes available
+        directionsRequest.departureDate = .now
+
+        let searchDirections = MKDirections(request: directionsRequest)
+        searchDirections.calculate { (response, error) in
+            guard let response = response else {
+                print(error)
+                print("Error while searching for directions")
+                return
+            }
+            for route in response.routes {
+                // extract route(s)
+            }
+        }
+    }
+
     func search(for text: String) {
         let searchRequest = MKLocalSearch.Request()
         searchRequest.naturalLanguageQuery = text
-        
+
         let search = MKLocalSearch(request: searchRequest)
         search.start { (response, error) in
             guard let response = response else {
                 print("ERROR")
                 return
             }
+            var items: [MKMapItem] = []
             for item in response.mapItems {
                 if let name = item.name,
-                   let location = item.placemark.location {
-                    print("\(name): \(location.coordinate.latitude),\(location.coordinate.longitude)")
+                    let location = item.placemark.location
+                {
+                    print(
+                        "\(name): \(location.coordinate.latitude),\(location.coordinate.longitude)")
+                    items.append(item)
                 }
             }
+            self.locations = items
         }
     }
 }