Add notes about the benefit of snapshot image caching.

day-096/Projects/PadFinder/PadFinder/Data/State/PadsState.swift

@@ -48,8 +48,6 @@ extension PadsState.DataFetchingState: Equatable {
             return false
         }
     }
-    
-        
 }
 
 

day-096/Projects/PadFinder/PadFinder/Reusables/Services/MapSnapshotServicing.swift

@@ -44,6 +44,8 @@ extension MapSnapshotServicing {
         
         let snapshotter = MKMapSnapshotter(options: snapshotOptions)
         
+        // TOOD: Ideally, we'd implement some kind of cahcing here, or save the images
+        // as part of each pad model -- which could be persisted in Core Data.
         return Future { promise in
             snapshotter.start(with: self.queue) { (snapshot, error) in
                 guard error == nil else {

day-096/Projects/PadFinder/PadFinder/Scenes/Pads/Pad Details/PadDetailsView+ViewModel.swift

@@ -35,6 +35,14 @@ extension PadDetailsView {
             self.isPadFavorited = isPadFavorited
             self.snapshotService = snapshotService
             
+            // In lieu of image caching or persistance, we'll have to call
+            // this during init instead of onAppear. That's not the greatest.
+//            self.takeMapSnapshot(
+//                size: CGSize(
+//                    width: UIScreen.main.bounds.width,
+//                    height: UIScreen.main.bounds.width * 0.75
+//                )
+//            )
             setupSubscribers()
         }
     }
@@ -84,7 +92,7 @@ extension PadDetailsView.ViewModel {
 // MARK: - Public Methods
 extension PadDetailsView.ViewModel {
     
-    func takeMapSnapshot(with size: CGSize) {
+    func takeMapSnapshot(size: CGSize) {
         snapshotService
             .takeSnapshot(with: size, at: pad.coordinate)
             .assertNoFailure()

day-096/Projects/PadFinder/PadFinder/Scenes/Pads/Pad Details/PadDetailsView.swift

@@ -12,8 +12,6 @@ import CypherPoetSwiftUIKit
 
 
 struct PadDetailsView {
-    @EnvironmentObject private var store: AppStore
-
     @ObservedObject var viewModel: ViewModel
     
     var onFavoriteToggled: ((Pad) -> Void)?
@@ -42,17 +40,17 @@ extension PadDetailsView: View {
 
                 self.optionsSection
             }
-            .onAppear {
-                self.viewModel.takeMapSnapshot(
-                    with: CGSize(
-                        width: UIScreen.main.bounds.width,
-                        height: UIScreen.main.bounds.width * 0.75
-                    )
-                )
-            }
             .embedInScrollView(axes: .vertical)
         }
         .navigationBarTitle(Text(viewModel.padNameText), displayMode: .inline)
+        .onAppear {
+            self.viewModel.takeMapSnapshot(
+                size: CGSize(
+                    width: UIScreen.main.bounds.width,
+                    height: UIScreen.main.bounds.width * 0.75
+                )
+            )
+        }
     }
 }