1 files changed, 104 insertions, 0 deletions
diff --git a/Map/Views/ContentView.swift b/Map/Views/ContentView.swift
new file mode 100644
index 0000000..4f55c27
--- /dev/null
+++ b/Map/Views/ContentView.swift
@@ -0,0 +1,104 @@
+//
+//  ContentView.swift
+//  Map
+//
+//  Created by Ruben Beltran del Rio on 2/1/21.
+//
+
+import CoreData
+import SwiftUI
+
+struct ContentView: View {
+  @Environment(\.managedObjectContext) private var viewContext
+
+  @FetchRequest(
+    sortDescriptors: [NSSortDescriptor(keyPath: \Map.createdAt, ascending: true)],
+    animation: .default)
+  private var maps: FetchedResults<Map>
+
+  var body: some View {
+    NavigationView {
+      List {
+        if maps.count == 0 {
+          DefaultMapView()
+        }
+        ForEach(maps) { map in
+          NavigationLink(destination: MapDetailView(map: map)) {
+            HStack {
+              Text(map.title ?? "Untitled Map")
+              Spacer()
+              Text(mapFormatter.string(from: (map.createdAt ?? Date())))
+                .font(.caption)
+                .padding(.vertical, 2.0)
+                .padding(.horizontal, 4.0)
+                .background(Color.accentColor)
+                .foregroundColor(Color.black)
+                .cornerRadius(2.0)
+            }.padding(.leading, 8.0)
+          }
+        }
+        .onDelete(perform: deleteMaps)
+      }.frame(minWidth: 250.0, alignment: .leading)
+        .toolbar {
+          HStack {
+            Button(action: toggleSidebar) {
+              Label("Toggle Sidebar", systemImage: "sidebar.left")
+            }
+            Button(action: addMap) {
+              Label("Add Map", systemImage: "plus")
+            }
+          }
+        }
+    }
+  }
+
+  private func toggleSidebar() {
+    NSApp.keyWindow?.firstResponder?.tryToPerform(
+      #selector(NSSplitViewController.toggleSidebar(_:)), with: nil)
+  }
+
+  private func addMap() {
+    withAnimation {
+      let newMap = Map(context: viewContext)
+      newMap.uuid = UUID()
+      newMap.createdAt = Date()
+      newMap.title = "Map \(newMap.createdAt!.format())"
+      newMap.content = ""
+
+      do {
+        try viewContext.save()
+      } catch {
+        let nsError = error as NSError
+        fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
+      }
+    }
+  }
+
+  private func deleteMaps(offsets: IndexSet) {
+
+    withAnimation {
+      offsets.map { maps[$0] }.forEach(viewContext.delete)
+
+      do {
+        try viewContext.save()
+      } catch {
+        let nsError = error as NSError
+        fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
+      }
+    }
+  }
+}
+
+private let mapFormatter: DateFormatter = {
+  let formatter = DateFormatter()
+  formatter.dateStyle = .short
+  formatter.timeStyle = .none
+  return formatter
+}()
+
+struct ContentView_Previews: PreviewProvider {
+  static var previews: some View {
+    ContentView().environment(
+      \.managedObjectContext, PersistenceController.preview.container.viewContext)
+  }
+}