Add copy buttons to network tabs

DBDebugToolkit/Classes/Swift/Views/RequestDetails.swift

@@ -49,12 +49,23 @@ private extension RequestDetails {
                         rowView(title: key, subtitle: value)
                     }
                 }
+              CopyButton {
+                headerFields.keys.sorted().reduce("") { partialResult, key in
+                  if let value = headerFields[key] {
+                    return partialResult + "\(key): \(value)\n"
+                  }
+                  return partialResult
+                }
+              }
             }
         }
 
         Section(header: Text("Body")) {
             rowView(title: "Body length", subtitle: "\(model.requestBodyLength)")
             NavigationLink("Body preview", destination: RequestBodyPreview(model: model, mode: .request))
+            CopyButton {
+              String(data: await model.readRequestBody() ?? Data(), encoding: .utf8)
+            }
         }
     }
 
@@ -74,12 +85,23 @@ private extension RequestDetails {
                         rowView(title: key, subtitle: value)
                     }
                 }
+                CopyButton {
+                    headerFields.keys.sorted().reduce("") { partialResult, key in
+                        if let value = headerFields[key] {
+                            return partialResult + "\(key): \(value)\n"
+                        }
+                        return partialResult
+                    }
+                }
             }
         }
 
         Section(header: Text("Body")) {
             rowView(title: "Body length", subtitle: "\(model.responseBodyLength)")
             NavigationLink("Body preview", destination: RequestBodyPreview(model: model, mode: .response))
+            CopyButton {
+                String(data: await model.readResponseBody() ?? Data(), encoding: .utf8)
+            }
         }
     }
 
@@ -92,3 +114,33 @@ private extension RequestDetails {
         }
     }
 }
+
+
+private struct CopyButton: View {
+    let data: () async -> String?
+    @State private var showCheckmark = false
+
+    var body: some View {
+        Button {
+            Task {
+                if let text = await data() {
+                    UIPasteboard.general.string = text
+                    withAnimation(.easeInOut(duration: 0.3)) {
+                        showCheckmark = true
+                    }
+                    try? await Task.sleep(nanoseconds: 1_500_000_000)
+                    withAnimation(.easeInOut(duration: 0.3)) {
+                        showCheckmark = false
+                    }
+                }
+            }
+        } label: {
+            HStack {
+                Text("Copy")
+                Image(systemName: showCheckmark ? "checkmark.circle.fill" : "doc.on.doc")
+                    .foregroundColor(showCheckmark ? .green : .accentColor)
+                    .animation(.easeInOut(duration: 0.3), value: showCheckmark)
+            }
+        }
+    }
+}