Consolidate images and files

CHDataManagement/Views/Files/FileDetailView.swift

@@ -5,22 +5,75 @@ struct FileDetailView: View {
     @ObservedObject
     var file: FileResource
 
+    @State
+    private var newId: String
+
+    init(file: FileResource) {
+        self.file = file
+        self.newId = file.id
+    }
+
+    private let allowedCharactersInPostId = CharacterSet.alphanumerics.union(CharacterSet(charactersIn: "-.")).inverted
+
+    private var idExists: Bool {
+        file.content.files.contains { $0.id == newId }
+    }
+
+    private var containsInvalidCharacters: Bool {
+        newId.rangeOfCharacter(from: allowedCharactersInPostId) != nil
+    }
+
     var body: some View {
         VStack(alignment: .leading) {
             Text("File Name")
                 .font(.headline)
-            TextField("", text: $file.uniqueId)
-                .textFieldStyle(.roundedBorder)
-                .padding(.bottom)
-                .disabled(true)
-            Text("Description")
+            HStack {
+                TextField("", text: $newId)
+                    .textFieldStyle(.roundedBorder)
+                Button(action: setNewId) {
+                    Text("Update")
+                }
+                .disabled(newId.isEmpty || containsInvalidCharacters || idExists)
+            }
+            Text("German Description")
                 .font(.headline)
-            TextField("", text: $file.description)
+            TextField("", text: $file.germanDescription)
                 .textFieldStyle(.roundedBorder)
+            Text("English Description")
+                .font(.headline)
+            TextField("", text: $file.englishDescription)
+                .textFieldStyle(.roundedBorder)
+            if file.type.isImage {
+                Text("Image size")
+                    .font(.headline)
+                Text("\(Int(file.size.width)) x \(Int(file.size.height)) (\(file.aspectRatio))")
+                    .foregroundStyle(.secondary)
+                #warning("Add button to show image versions")
+            }
+            Spacer()
         }.padding()
     }
+
+    private func setNewId() {
+        guard file.content.storage.move(file: file.id, to: newId) else {
+            print("Failed to move file \(file.id)")
+            newId = file.id
+            return
+        }
+        file.id = newId
+    }
 }
 
+extension FileDetailView: MainContentView {
+
+    init(item: FileResource) {
+        self.init(file: item)
+    }
+
+    static let itemDescription = "a file"
+}
+
+
 #Preview {
     FileDetailView(file: .mock)
 }