Add view of all images for a cap

Caps/Data/Cap.swift

@@ -24,12 +24,20 @@ struct Cap {
 
     /// The subpath to the main image on the server
     var mainImagePath: String {
-        String(format: "images/%04d/%04d-%02d.jpg", id, id, mainImage)
+        imagePath(version: mainImage)
+    }
+    
+    func imagePath(version: Int) -> String {
+        String(format: "images/%04d/%04d-%02d.jpg", id, id, version)
     }
 
     var image: CapImage {
         .init(cap: id, version: mainImage)
     }
+    
+    func image(version: Int) -> CapImage {
+        .init(cap: id, version: version)
+    }
 
     /**
      Create a new cap.

Caps/Data/CapImage.swift

@@ -6,3 +6,8 @@ struct CapImage: Codable, Equatable, Hashable {
     
     let version: Int
 }
+
+extension CapImage: Identifiable {
+    
+    var id: Int { version }
+}

Caps/Data/Database.swift

@@ -241,7 +241,7 @@ final class Database: ObservableObject {
 
     @discardableResult
     func downloadCaps() async -> Bool {
-        print("Downloading cap data")
+        print("Downloading cap data from \(serverDbUrl)")
         let data: Data
         let response: URLResponse
         do {
@@ -250,7 +250,11 @@ final class Database: ObservableObject {
             print("Failed to download classifier version: \(error)")
             return false
         }
-        guard (response as? HTTPURLResponse)?.statusCode == 200 else {
+        guard let httpResponse = response as? HTTPURLResponse else {
+            return false
+        }
+        guard httpResponse.statusCode == 200 else {
+            print("Failed to download caps: \(httpResponse.statusCode)")
             return false
         }
 
@@ -261,6 +265,7 @@ final class Database: ObservableObject {
             print("Failed to decode server database: \(error)")
             return false
         }
+        print("Downloaded \(capData) caps")
         var inserts = 0
         var updates = 0
         for cap in capData {
@@ -358,6 +363,10 @@ final class Database: ObservableObject {
     func hasPendingOperations(for cap: Int) -> Bool {
         return false
     }
+    
+    func cap(for id: Int) -> Cap? {
+        caps[id]
+    }
 
     // MARK: Adding new data