SwiftUI/Other Projects/Composing Complex Interfaces/Complete/Landmarks/Landmarks/Home.swift

/*
See LICENSE folder for this sample’s licensing information.

Abstract:
A view showing featured landmarks above a list of all of the landmarks.
*/

import SwiftUI

struct CategoryHome: View {
    var categories: [String: [Landmark]] {
        .init(
            grouping: landmarkData,
            by: { $0.category.rawValue }
        )
    }
    
    var featured: [Landmark] {
        landmarkData.filter { $0.isFeatured }
    }
    
    var body: some View {
        NavigationView {
            List {
                FeaturedLandmarks(landmarks: featured)
                    .scaledToFill()
                    .frame(height: 200)
                    .clipped()
                    .listRowInsets(EdgeInsets())
                
                ForEach(categories.keys.sorted().identified(by: \.self)) { key in
                    CategoryRow(categoryName: key, items: self.categories[key]!)
                }
                .listRowInsets(EdgeInsets())
                
                NavigationLink(destination: LandmarkList()) {
                    Text("See All")
                }
            }
            .navigationBarTitle(Text("Featured"))
            .navigationBarItems(trailing:
                PresentationLink(destination: Text("User Profile")) {
                    Image(systemName: "person.crop.circle")
                        .imageScale(.large)
                        .accessibility(label: Text("User Profile"))
                        .padding()
                }
            )
        }
    }
}

struct FeaturedLandmarks: View {
    var landmarks: [Landmark]
    var body: some View {
        landmarks[0].image(forSize: 250).resizable()
    }
}

#if DEBUG
struct CategoryHome_Previews: PreviewProvider {
    static var previews: some View {
        CategoryHome()
    }
}
#endif