Add export for logs

ApplicationLibrary/Views/Log/LogViewModel.swift

@@ -1,6 +1,12 @@
 import Combine
 import Foundation
 import Library
+import SwiftUI
+#if canImport(UIKit)
+    import UIKit
+#elseif canImport(AppKit)
+    import AppKit
+#endif
 
 @MainActor
 public class LogViewModel: ObservableObject {
@@ -9,6 +15,9 @@ public class LogViewModel: ObservableObject {
     @Published public var searchText = ""
     @Published public var isSearching = false
     @Published public var filteredLogs: [LogEntry] = []
+    @Published public var alert: Alert?
+    @Published public var showFileExporter = false
+    @Published public var logFileURL: URL?
 
     private let commandClient: CommandClient
 
@@ -53,4 +62,35 @@ public class LogViewModel: ObservableObject {
         commandClient.logList.removeAll()
         isPaused = false
     }
+
+    #if !os(tvOS)
+        public func getLogsText() -> String {
+            filteredLogs.map(\.message).joined(separator: "\n")
+        }
+
+        public func copyToClipboard() {
+            let text = getLogsText()
+            #if os(iOS)
+                UIPasteboard.general.string = text
+            #elseif os(macOS)
+                NSPasteboard.general.clearContents()
+                NSPasteboard.general.setString(text, forType: .string)
+            #endif
+        }
+
+        public func prepareLogFile() {
+            do {
+                let text = getLogsText()
+                let dateFormatter = DateFormatter()
+                dateFormatter.dateFormat = "yyyy-MM-dd-HH:mm:ss"
+                let dateString = dateFormatter.string(from: Date())
+                let tempDirectory = FileManager.default.temporaryDirectory
+                let fileURL = tempDirectory.appendingPathComponent("logs-\(dateString).txt")
+                try text.write(to: fileURL, atomically: true, encoding: .utf8)
+                logFileURL = fileURL
+            } catch {
+                alert = Alert(error)
+            }
+        }
+    #endif
 }