143 lines
4.0 KiB
Swift
143 lines
4.0 KiB
Swift
//
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// Copyright (c) 2022 Touch Instinct
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the Software), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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import TISwiftUtils
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import UIKit
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import OSLog
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@available(iOS 15, *)
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open class LogsStorageViewModel {
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public enum LevelType: String, CaseIterable {
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case all
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case `default`
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case info
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case debug
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case error
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case fault
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}
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private let logsManipulator: LogsListManipulatorProtocol
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private var allLogs: [OSLogEntryLog] = [] {
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didSet {
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filterLogs()
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}
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}
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public var filteredLogs: [OSLogEntryLog] = [] {
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didSet {
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logsListView?.reloadTableView()
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}
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}
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public var fileCreator: FileCreator?
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weak public var logsListView: LogsListViewOutput?
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public init(logsManipulator: LogsListManipulatorProtocol? = nil) {
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self.logsManipulator = logsManipulator ?? DefaultLogsListManipulator()
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}
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@MainActor
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open func loadLogs(preCompletion: VoidClosure? = nil, postCompletion: VoidClosure? = nil) async {
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allLogs = []
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logsListView?.setLoadingState()
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preCompletion?()
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if case let .success(logs) = await logsManipulator.fetchLogs() {
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allLogs = logs
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}
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logsListView?.setNormalState()
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postCompletion?()
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}
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open func filterLogs(filter: Closure<OSLogEntryLog, Bool>? = nil) {
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filteredLogs = allLogs.filter { filter?($0) ?? true }
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}
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@MainActor
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open func filterLogs(byText text: String) async {
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guard !text.isEmpty else {
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filteredLogs = allLogs
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return
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}
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logsListView?.startSearch()
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let localFilteredLogs = await logsManipulator.filter(allLogs, byText: text)
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filteredLogs = localFilteredLogs
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logsListView?.stopSearch()
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}
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open func getFileWithLogs() -> URL? {
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guard let data = encodeLogs() else {
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return nil
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}
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if case let .success(url) = fileCreator?.createFile(withData: data) {
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return url
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}
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return nil
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}
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public func encodeLogs() -> Data? {
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filteredLogs
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.map { $0.getDescription() }
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.joined(separator: "\n\n")
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.data(using: .utf8)
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}
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open func actionHandler(for action: UIAction) {
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guard let level = LevelType(rawValue: action.title) else { return }
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switch level {
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case .all:
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filterLogs()
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case .info:
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filterLogs(filter: { $0.level == .info })
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case .default:
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filterLogs(filter: { $0.level == .notice })
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case .debug:
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filterLogs(filter: { $0.level == .debug })
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case .error:
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filterLogs(filter: { $0.level == .error })
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case .fault:
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filterLogs(filter: { $0.level == .fault })
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}
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}
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}
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@available(iOS 15, *)
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private extension OSLogEntryLog {
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func getDescription() -> String {
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return "[\(date)] - [\(category)]: \(composedMessage)"
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}
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}
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