92 lines
2.7 KiB
Swift
92 lines
2.7 KiB
Swift
//
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// DirectoryServiceScreen.swift
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// Demo
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//
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// Created by Daniel Saidi on 2020-12-07.
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// Copyright © 2020 Daniel Saidi. All rights reserved.
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//
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import SwiftKit
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import SwiftUI
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import SwiftUIKit
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struct DirectoryServiceScreen: View {
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init(service: DirectoryService = StandardDirectoryService(directory: .cachesDirectory)!) {
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self.service = service
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refreshFiles()
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}
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private let service: DirectoryService
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@State private var files: [String] = []
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@State private var isFilterEnabled = false
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var body: some View {
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List {
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Section {
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ListText("SwiftKit has services that lets you handle files within local directoriers. This demo uses a StandardDirectoryService that targets the local cache directory.")
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}
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if files.hasContent {
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Section(header: Text("Files")) {
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ForEach(files, id: \.self) {
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ListText("\($0) (\(service.getSizeOfFile(named: $0) ?? 0) bytes)")
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}
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}
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}
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Section(header: Text("Total")) {
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ListText("\(files.count) files (\(service.getSizeOfAllFiles()) bytes)")
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}
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Section(header: Text("Actions")) {
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ListButton(action: createRandomFile) {
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Label("Create file with random name", image: .fileAdd)
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}
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ListButton(action: deleteRandomFile) {
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Label("Delete random file", image: .trash)
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}
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ListButton(action: toggleFileFilter) {
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Label("Show only files that start with \"1\"", image: isFilterEnabled ? .circleFilled : .circle)
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}
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}
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}
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.onAppear(perform: refreshFiles)
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.navigationTitle("Directory Service")
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}
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}
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private extension DirectoryServiceScreen {
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func createRandomFile() {
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let fileName = "\(Int.random(in: 1...10_000)).txt"
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let data = "Hello, world!".data(using: .utf8)
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_ = service.createFile(named: fileName, contents: data)
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refreshFiles()
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}
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func deleteRandomFile() {
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guard let fileName = files.randomElement() else { return }
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try? service.removeFile(named: fileName)
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refreshFiles()
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}
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func toggleFileFilter() {
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isFilterEnabled.toggle()
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refreshFiles()
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}
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func refreshFiles() {
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self.files = service.getFileNames()
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guard isFilterEnabled else { return }
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self.files = files.filter { $0.hasPrefix("1") }
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}
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}
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struct DirectoryServiceScreen_Previews: PreviewProvider {
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static var previews: some View {
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DirectoryServiceScreen()
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}
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}
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