feat: Download files (#45)

Reconnect/Model/BrowserModel.swift

@@ -134,4 +134,27 @@ class BrowserModel {
         }
     }
 
+    func download(path: String) {
+        Task {
+            let fileManager = FileManager.default
+            let downloadsUrl = fileManager.urls(for: .downloadsDirectory, in: .userDomainMask)[0]
+
+            let filename = path.windowsLastPathComponent
+            let destinationURL = downloadsUrl.appendingPathComponent(filename)
+
+            do {
+                try await fileServer.copyFile(fromRemotePath: filename, toLocalPath: destinationURL.path)
+            } catch {
+                print("Failed to download file at path '\(path)' to destination path '\(destinationURL.path)' with error \(error).")
+                lastError = error
+            }
+
+            do {
+                if let directoryUrls = try? FileManager.default.contentsOfDirectory(at: downloadsUrl, includingPropertiesForKeys: nil, options: FileManager.DirectoryEnumerationOptions.skipsSubdirectoryDescendants) {
+                    print(directoryUrls)
+                }
+            }
+        }
+    }
+
 }

Reconnect/PLP/FileServer.swift

@@ -129,6 +129,30 @@ class FileServer {
         }
     }
 
+    func syncQueue_copyFile(fromRemotePath remoteSourcePath: String, toLocalPath localDestinationPath: String) throws {
+        dispatchPrecondition(condition: .onQueue(workQueue))
+        let result = client.copyFromPsion(remoteSourcePath, localDestinationPath, nil) { context, status in
+            print("progress = \(status)")
+            return 1  // 0 is cancel
+        }
+        guard result.rawValue == 0 else {
+            throw ReconnectError.rfsvError(result)
+        }
+    }
+
+    func copyFile(fromRemotePath remoteSourcePath: String, toLocalPath localDestinationPath: String) async throws {
+        return try await withCheckedThrowingContinuation { continuation in
+            workQueue.async {
+                do {
+                    try self.syncQueue_copyFile(fromRemotePath: remoteSourcePath, toLocalPath: localDestinationPath)
+                    continuation.resume()
+                } catch {
+                    continuation.resume(throwing: error)
+                }
+            }
+        }
+    }
+
     func syncQueue_mkdir(path: String) throws {
         dispatchPrecondition(condition: .onQueue(workQueue))
         let result = client.mkdir(path)

Reconnect/Reconnect.entitlements

@@ -4,13 +4,15 @@
 <dict>
 	<key>com.apple.security.app-sandbox</key>
 	<true/>
+	<key>com.apple.security.device.serial</key>
+	<true/>
+	<key>com.apple.security.files.downloads.read-write</key>
+	<true/>
 	<key>com.apple.security.files.user-selected.read-only</key>
 	<true/>
 	<key>com.apple.security.network.client</key>
 	<true/>
 	<key>com.apple.security.network.server</key>
 	<true/>
-	<key>com.apple.security.device.serial</key>
-	<true/>
 </dict>
 </plist>

Reconnect/Views/BrowserView.swift

@@ -71,7 +71,18 @@ struct BrowserView: View {
                         model.navigate(to: items.first!)
                     }
                     .disabled(items.count != 1 || !(items.first?.isDirectory ?? false))
+
+                    Divider()
+
+                    Button("Download") {
+                        for item in items {
+                            // TODO: Directories?
+                            model.download(path: item)
+                        }
+                    }
+
                     Divider()
+
                     Button("Delete") {
                         for item in items {
                             model.delete(path: item)