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June 6, 2024 05:38
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Save huynguyencong/76f48611f5973cf698e3f8843fa89ab5 to your computer and use it in GitHub Desktop.
Log to a file, then use `copyLogToClipboard()` or `printLog()` function to read it.
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| import Foundation | |
| import UIKit | |
| class FileLogger { | |
| private static let defaultFileName = "log.txt" | |
| static let shared = FileLogger() | |
| private init() { | |
| read() | |
| } | |
| private var fileName: String = FileLogger.defaultFileName | |
| private var shouldLogTime = true | |
| private var shouldPrintLog = true | |
| private(set) var content: String = "" | |
| private var filePath: String? { | |
| FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first?.appendingPathComponent(fileName).path | |
| } | |
| func changeConfiguration(fileName: String, shouldLogTime: Bool, shouldPrintLog: Bool) { | |
| self.fileName = fileName | |
| self.shouldLogTime = shouldLogTime | |
| self.shouldPrintLog = shouldPrintLog | |
| } | |
| func log(_ message: String) { | |
| let newMessage = "\(shouldLogTime ? "\(Date()): " : "")\(message)\n" | |
| content += newMessage | |
| write() | |
| if shouldPrintLog { | |
| print(newMessage) | |
| } | |
| } | |
| private func read() { | |
| guard let filePath else { | |
| print("FileLogger - Read failed - Path not found") | |
| return | |
| } | |
| do { | |
| content = try String(contentsOfFile: filePath) | |
| } catch { | |
| print("FileLogger - Read failed - \(error.localizedDescription)") | |
| } | |
| } | |
| private func write() { | |
| guard let filePath else { | |
| print("FileLogger - Write failed - Path not found") | |
| return | |
| } | |
| do { | |
| try content.write(toFile: filePath, atomically: true, encoding: .utf8) | |
| } catch { | |
| print("FileLogger - Write failed - \(error.localizedDescription)") | |
| } | |
| } | |
| func copyLogToClipboard() { | |
| UIPasteboard.general.string = content | |
| print("FileLogger - Copied to clipboard") | |
| } | |
| func printLog() { | |
| print(content) | |
| } | |
| func clear() { | |
| content = "" | |
| write() | |
| } | |
| } |
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