format code

This commit is contained in:
2026-05-24 20:40:56 +02:00
parent 2346ca1b49
commit 40e840ee50
12 changed files with 526 additions and 497 deletions
+59 -59
View File
@@ -8,70 +8,70 @@
import SwiftUI import SwiftUI
struct AllNotesScreen: View { struct AllNotesScreen: View {
@AppStorage("peered_username") private var username: String? @AppStorage("peered_username") private var username: String?
@State private var notes = [Note]() @State private var notes = [Note]()
@State private var notesClient: NoteEditingSessionClient? @State private var notesClient: NoteEditingSessionClient?
@State private var ownPeer: OwnPeer? @State private var ownPeer: OwnPeer?
var isUsernameValid: Bool { var isUsernameValid: Bool {
!(username.map(\.isEmpty) ?? true) !(username.map(\.isEmpty) ?? true)
} }
var body: some View { var body: some View {
NavigationStack { NavigationStack {
List { List {
Section("Your notes") { Section("Your notes") {
ForEach(notes) { note in ForEach(notes) { note in
NavigationLink(note.name) { NavigationLink(note.name) {
if let ownPeer { if let ownPeer {
NoteEditorScreen(note: note, peer: ownPeer) NoteEditorScreen(note: note, peer: ownPeer)
} }
} }
} }
} }
if let notesClient { if let notesClient {
Section("External notes") { Section("External notes") {
ForEach(notesClient.invitations) { invitation in ForEach(notesClient.invitations) { invitation in
NavigationLink(invitation.noteName) { NavigationLink(invitation.noteName) {
SharedNoteEditor(invitation: invitation, noteClient: notesClient) SharedNoteEditor(invitation: invitation, noteClient: notesClient)
} }
} }
} }
} }
} }
.navigationTitle("Peered") .navigationTitle("Peered")
.toolbar { .toolbar {
Button("Create note") { Button("Create note") {
NotesStorage().createNote(name: "New Note") NotesStorage().createNote(name: "New Note")
notes = NotesStorage().loadNotes() notes = NotesStorage().loadNotes()
} }
} }
} }
.onAppear { .onAppear {
notes = NotesStorage().loadNotes() notes = NotesStorage().loadNotes()
if let username, isUsernameValid { if let username, isUsernameValid {
setupSession(username: username) setupSession(username: username)
} }
} }
.onChange(of: username) { _, newUsername in .onChange(of: username) { _, newUsername in
guard let newUsername, isUsernameValid else { return } guard let newUsername, isUsernameValid else { return }
setupSession(username: newUsername) setupSession(username: newUsername)
} }
.sheet(isPresented: .constant(!isUsernameValid)) { .sheet(isPresented: .constant(!isUsernameValid)) {
SetUserNameBottomSheetView(username: $username) SetUserNameBottomSheetView(username: $username)
} }
} }
private func setupSession(username: String) { private func setupSession(username: String) {
notesClient?.stopBrowsingForNotes() notesClient?.stopBrowsingForNotes()
let peer = OwnPeer(peer: .init(displayName: username)) let peer = OwnPeer(peer: .init(displayName: username))
ownPeer = peer ownPeer = peer
notesClient = .init(peer: peer.peer) notesClient = .init(peer: peer.peer)
notesClient?.startBrowsingForNotes() notesClient?.startBrowsingForNotes()
} }
} }
#Preview { #Preview {
AllNotesScreen() AllNotesScreen()
} }
@@ -7,22 +7,22 @@
import SwiftUI import SwiftUI
struct ManageMembersScreen: View { struct ManageMembersScreen: View {
@Bindable var noteAdvertiser: NoteEditingSessionServer @Bindable var noteAdvertiser: NoteEditingSessionServer
let noteTitle: String let noteTitle: String
@Binding var noteContent: String @Binding var noteContent: String
var body: some View { var body: some View {
List(noteAdvertiser.visiblePeers) { peer in List(noteAdvertiser.visiblePeers) { peer in
HStack { HStack {
Text(peer.id) Text(peer.id)
Spacer() Spacer()
PeerStateButton(peerState: peer.state) { PeerStateButton(peerState: peer.state) {
noteAdvertiser.invite(peer: peer, to: .init(title: noteTitle, noteSnapshot: noteContent)) noteAdvertiser.invite(peer: peer, to: .init(title: noteTitle, noteSnapshot: noteContent))
} }
} }
} }
.navigationTitle("Visible users") .navigationTitle("Visible users")
} }
} }
@@ -1,126 +1,142 @@
import MultipeerConnectivity
import Foundation
import Combine import Combine
import Foundation
import MultipeerConnectivity
struct OwnPeer { struct OwnPeer {
let peer: MCPeerID let peer: MCPeerID
} }
struct Peer: Identifiable { struct Peer: Identifiable {
enum ConnectionState { enum ConnectionState {
case available case available
case joined case joined
case rejected case rejected
case invitationPending case invitationPending
} }
var id: String { mcPeer.displayName } var id: String { mcPeer.displayName }
let mcPeer: MCPeerID let mcPeer: MCPeerID
var state: ConnectionState var state: ConnectionState
} }
@Observable @Observable
final class NoteEditingSessionServer: NSObject { final class NoteEditingSessionServer: NSObject {
private let session: MCSession private let session: MCSession
private let browser: MCNearbyServiceBrowser private let browser: MCNearbyServiceBrowser
private(set) var ownPeer: OwnPeer private(set) var ownPeer: OwnPeer
var visiblePeers: [Peer] = [] var visiblePeers: [Peer] = []
let noteChangesEmitter = PassthroughSubject<NoteMessage, Never>() let noteChangesEmitter = PassthroughSubject<NoteMessage, Never>()
init(peer: OwnPeer) { init(peer: OwnPeer) {
ownPeer = peer ownPeer = peer
browser = .init(peer: peer.peer, serviceType: "peered") browser = .init(peer: peer.peer, serviceType: "peered")
session = .init(peer: peer.peer, securityIdentity: nil, encryptionPreference: .required) session = .init(peer: peer.peer, securityIdentity: nil, encryptionPreference: .required)
super.init() super.init()
browser.delegate = self browser.delegate = self
session.delegate = self session.delegate = self
} }
func startServer() { func startServer() {
browser.startBrowsingForPeers() browser.startBrowsingForPeers()
} }
func stopServer() { func stopServer() {
browser.stopBrowsingForPeers() browser.stopBrowsingForPeers()
session.disconnect() session.disconnect()
} }
func invite(peer: Peer, to note: NoteInvitation.NoteContent) { func invite(peer: Peer, to note: NoteInvitation.NoteContent) {
guard peer.state == .available, let note = try? JSONEncoder().encode(note) else { return } guard peer.state == .available, let note = try? JSONEncoder().encode(note) else { return }
browser.invitePeer( browser.invitePeer(
peer.mcPeer, peer.mcPeer,
to: session, to: session,
withContext: note, withContext: note,
timeout: 600 timeout: 600
) )
guard let idxToUpdate = visiblePeers.firstIndex(where: { $0.mcPeer == peer.mcPeer }) else { return } guard let idxToUpdate = visiblePeers.firstIndex(where: { $0.mcPeer == peer.mcPeer }) else {
visiblePeers[idxToUpdate].state = .invitationPending return
} }
visiblePeers[idxToUpdate].state = .invitationPending
}
func send(note: String, to peers: [MCPeerID]) { func send(note: String, to peers: [MCPeerID]) {
let message = NoteMessage(senderID: ownPeer.peer.displayName, content: note) let message = NoteMessage(senderID: ownPeer.peer.displayName, content: note)
guard !peers.isEmpty, let data = try? JSONEncoder().encode(message) else { return } guard !peers.isEmpty, let data = try? JSONEncoder().encode(message) else { return }
try? session.send(data, toPeers: peers, with: .reliable) try? session.send(data, toPeers: peers, with: .reliable)
} }
} }
extension NoteEditingSessionServer: MCNearbyServiceBrowserDelegate { extension NoteEditingSessionServer: MCNearbyServiceBrowserDelegate {
func browser( func browser(
_ browser: MCNearbyServiceBrowser, _ browser: MCNearbyServiceBrowser,
foundPeer peerID: MCPeerID, foundPeer peerID: MCPeerID,
withDiscoveryInfo info: [String: String]? withDiscoveryInfo info: [String: String]?
) { ) {
guard !visiblePeers.contains(where: { $0.mcPeer == peerID }) && peerID.displayName != ownPeer.peer.displayName else { return } guard
DispatchQueue.main.async { !visiblePeers.contains(where: { $0.mcPeer == peerID })
self.visiblePeers.append(Peer(mcPeer: peerID, state: .available)) && peerID.displayName != ownPeer.peer.displayName
} else { return }
} DispatchQueue.main.async {
self.visiblePeers.append(Peer(mcPeer: peerID, state: .available))
}
}
func browser(_ browser: MCNearbyServiceBrowser, lostPeer peerID: MCPeerID) { func browser(_ browser: MCNearbyServiceBrowser, lostPeer peerID: MCPeerID) {
DispatchQueue.main.async { DispatchQueue.main.async {
guard let peerIdx = self.visiblePeers.firstIndex(where: { $0.mcPeer == peerID }) else { return } guard let peerIdx = self.visiblePeers.firstIndex(where: { $0.mcPeer == peerID }) else {
self.visiblePeers.remove(at: peerIdx) return
} }
} self.visiblePeers.remove(at: peerIdx)
}
}
} }
extension NoteEditingSessionServer: MCSessionDelegate { extension NoteEditingSessionServer: MCSessionDelegate {
func session( func session(
_ session: MCSession, _ session: MCSession,
peer peerID: MCPeerID, peer peerID: MCPeerID,
didChange state: MCSessionState didChange state: MCSessionState
) { ) {
DispatchQueue.main.async { DispatchQueue.main.async {
guard let idx = self.visiblePeers.firstIndex(where: { $0.mcPeer == peerID }) else { return } guard let idx = self.visiblePeers.firstIndex(where: { $0.mcPeer == peerID }) else { return }
switch state { switch state {
case .connected: case .connected:
self.visiblePeers[idx].state = .joined self.visiblePeers[idx].state = .joined
case .notConnected: case .notConnected:
let currentState = self.visiblePeers[idx].state let currentState = self.visiblePeers[idx].state
if currentState == .invitationPending || currentState == .joined { if currentState == .invitationPending || currentState == .joined {
self.visiblePeers[idx].state = .rejected self.visiblePeers[idx].state = .rejected
} }
default: default:
break break
} }
} }
} }
func session(_ session: MCSession, didReceive data: Data, fromPeer peerID: MCPeerID) { func session(_ session: MCSession, didReceive data: Data, fromPeer peerID: MCPeerID) {
guard let message = try? JSONDecoder().decode(NoteMessage.self, from: data) else { return } guard let message = try? JSONDecoder().decode(NoteMessage.self, from: data) else { return }
let otherPeers = session.connectedPeers.filter { $0 != peerID } let otherPeers = session.connectedPeers.filter { $0 != peerID }
if !otherPeers.isEmpty { if !otherPeers.isEmpty {
try? session.send(data, toPeers: otherPeers, with: .reliable) try? session.send(data, toPeers: otherPeers, with: .reliable)
} }
DispatchQueue.main.async { DispatchQueue.main.async {
self.noteChangesEmitter.send(message) self.noteChangesEmitter.send(message)
} }
} }
func session(_ session: MCSession, didReceive stream: InputStream, withName streamName: String, fromPeer peerID: MCPeerID) {} func session(
func session(_ session: MCSession, didStartReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, with progress: Progress) {} _ session: MCSession, didReceive stream: InputStream, withName streamName: String,
func session(_ session: MCSession, didFinishReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, at localURL: URL?, withError error: (any Error)?) {} fromPeer peerID: MCPeerID
) {}
func session(
_ session: MCSession, didStartReceivingResourceWithName resourceName: String,
fromPeer peerID: MCPeerID, with progress: Progress
) {}
func session(
_ session: MCSession, didFinishReceivingResourceWithName resourceName: String,
fromPeer peerID: MCPeerID, at localURL: URL?, withError error: (any Error)?
) {}
} }
@@ -5,69 +5,69 @@
// Created by Oskar Chybowski on 25/09/2025. // Created by Oskar Chybowski on 25/09/2025.
// //
import SwiftUI
import MultipeerConnectivity import MultipeerConnectivity
import SwiftUI
struct NoteEditorScreen: View { struct NoteEditorScreen: View {
let note: Note let note: Note
@State private var noteAdvertiser: NoteEditingSessionServer @State private var noteAdvertiser: NoteEditingSessionServer
@State private var noteContent: String = "" @State private var noteContent: String = ""
@State private var remoteNoteContent: String? = nil @State private var remoteNoteContent: String? = nil
@State private var timer = Timer.publish(every: 5, on: .current, in: .common) @State private var timer = Timer.publish(every: 5, on: .current, in: .common)
.autoconnect() .autoconnect()
@State private var showManageMembers = false @State private var showManageMembers = false
init(note: Note, peer: OwnPeer) { init(note: Note, peer: OwnPeer) {
self.note = note self.note = note
self._noteAdvertiser = .init(initialValue: .init(peer: peer)) self._noteAdvertiser = .init(initialValue: .init(peer: peer))
} }
var body: some View { var body: some View {
NoteTextEditor(text: $noteContent, remoteText: remoteNoteContent) NoteTextEditor(text: $noteContent, remoteText: remoteNoteContent)
.toolbar { .toolbar {
ToolbarItem(placement: .primaryAction) { ToolbarItem(placement: .primaryAction) {
Button("Manage members") { Button("Manage members") {
showManageMembers = true showManageMembers = true
} }
} }
} }
.sheet(isPresented: $showManageMembers) { .sheet(isPresented: $showManageMembers) {
NavigationStack { NavigationStack {
ManageMembersScreen( ManageMembersScreen(
noteAdvertiser: noteAdvertiser, noteAdvertiser: noteAdvertiser,
noteTitle: note.name, noteTitle: note.name,
noteContent: $noteContent noteContent: $noteContent
) )
} }
} }
.onReceive(noteAdvertiser.noteChangesEmitter) { message in .onReceive(noteAdvertiser.noteChangesEmitter) { message in
guard message.senderID != noteAdvertiser.ownPeer.peer.displayName else { return } guard message.senderID != noteAdvertiser.ownPeer.peer.displayName else { return }
remoteNoteContent = message.content remoteNoteContent = message.content
} }
.task(id: noteContent) { .task(id: noteContent) {
if noteContent == remoteNoteContent { return } if noteContent == remoteNoteContent { return }
let connectedPeers = noteAdvertiser.visiblePeers let connectedPeers = noteAdvertiser.visiblePeers
.filter { $0.state == .joined } .filter { $0.state == .joined }
.map(\.mcPeer) .map(\.mcPeer)
guard !connectedPeers.isEmpty else { return } guard !connectedPeers.isEmpty else { return }
try? await Task.sleep(nanoseconds: 500_000_000) try? await Task.sleep(nanoseconds: 500_000_000)
guard !Task.isCancelled else { return } guard !Task.isCancelled else { return }
noteAdvertiser.send(note: noteContent, to: connectedPeers) noteAdvertiser.send(note: noteContent, to: connectedPeers)
} }
.onAppear { .onAppear {
noteContent = (try? String(contentsOf: note.path, encoding: .utf8)) ?? "" noteContent = (try? String(contentsOf: note.path, encoding: .utf8)) ?? ""
noteAdvertiser.startServer() noteAdvertiser.startServer()
} }
.onDisappear { .onDisappear {
noteAdvertiser.stopServer() noteAdvertiser.stopServer()
saveNote() saveNote()
} }
.onReceive(timer) { _ in .onReceive(timer) { _ in
saveNote() saveNote()
} }
} }
func saveNote() { func saveNote() {
try? noteContent.write(to: note.path, atomically: true, encoding: .utf8) try? noteContent.write(to: note.path, atomically: true, encoding: .utf8)
} }
} }
@@ -1,16 +1,16 @@
import SwiftUI import SwiftUI
struct NoteTextEditor: View { struct NoteTextEditor: View {
@Binding var text: String @Binding var text: String
let remoteText: String? let remoteText: String?
@State private var selection: TextSelection? = nil @State private var selection: TextSelection? = nil
var body: some View { var body: some View {
TextEditor(text: $text, selection: $selection) TextEditor(text: $text, selection: $selection)
.onChange(of: remoteText) { oldValue, newValue in .onChange(of: remoteText) { oldValue, newValue in
guard let newValue, newValue != text else { return } guard let newValue, newValue != text else { return }
// Apply remote text first // Apply remote text first
text = newValue text = newValue
} }
} }
} }
@@ -8,19 +8,19 @@
import SwiftUI import SwiftUI
struct PeerStateButton: View { struct PeerStateButton: View {
let peerState: Peer.ConnectionState let peerState: Peer.ConnectionState
let onTap: () -> Void let onTap: () -> Void
var body: some View { var body: some View {
switch peerState { switch peerState {
case .available: case .available:
Button("Invite", action: onTap) Button("Invite", action: onTap)
case .joined: case .joined:
Text("Joined") Text("Joined")
case .rejected: case .rejected:
Text("Rejected") Text("Rejected")
case .invitationPending: case .invitationPending:
Text("Invitation pending") Text("Invitation pending")
} }
} }
} }
@@ -7,41 +7,41 @@
import SwiftUI import SwiftUI
struct SharedNoteEditor: View { struct SharedNoteEditor: View {
@State var note: String? @State var note: String?
@State var remoteNote: String? = nil @State var remoteNote: String? = nil
@State var invitation: NoteInvitation @State var invitation: NoteInvitation
@Bindable var noteClient: NoteEditingSessionClient @Bindable var noteClient: NoteEditingSessionClient
init( init(
invitation: NoteInvitation, invitation: NoteInvitation,
noteClient: NoteEditingSessionClient noteClient: NoteEditingSessionClient
) { ) {
self._invitation = .init(initialValue: invitation) self._invitation = .init(initialValue: invitation)
self._noteClient = .init(noteClient) self._noteClient = .init(noteClient)
} }
var body: some View { var body: some View {
ZStack { ZStack {
if let note = Binding($note) { if let note = Binding($note) {
NoteTextEditor(text: note, remoteText: remoteNote) NoteTextEditor(text: note, remoteText: remoteNote)
} else { } else {
ProgressView { ProgressView {
Text("Fetching note...") Text("Fetching note...")
} }
} }
} }
.onReceive(noteClient.noteChangesEmitter) { message in .onReceive(noteClient.noteChangesEmitter) { message in
guard message.senderID != noteClient.ownPeer.displayName else { return } guard message.senderID != noteClient.ownPeer.displayName else { return }
remoteNote = message.content remoteNote = message.content
} }
.task(id: note) { .task(id: note) {
try? await Task.sleep(nanoseconds: 500_000_000) try? await Task.sleep(nanoseconds: 500_000_000)
guard !Task.isCancelled, let note else { return } guard !Task.isCancelled, let note else { return }
noteClient.send(note: note, to: invitation.invitatorID) noteClient.send(note: note, to: invitation.invitatorID)
} }
.onAppear { .onAppear {
invitation.accept() invitation.accept()
note = invitation.note.noteSnapshot note = invitation.note.noteSnapshot
} }
} }
} }
+3 -3
View File
@@ -8,8 +8,8 @@
import Foundation import Foundation
struct Note: Identifiable { struct Note: Identifiable {
var id: URL { path } var id: URL { path }
let name: String let name: String
let path: URL let path: URL
} }
@@ -1,131 +1,140 @@
import MultipeerConnectivity
import Foundation
import Combine import Combine
import Foundation
import MultipeerConnectivity
struct NoteInvitation: Identifiable { struct NoteInvitation: Identifiable {
struct NoteContent: Codable { struct NoteContent: Codable {
let title: String let title: String
let noteSnapshot: String let noteSnapshot: String
} }
var id: MCPeerID { invitatorID } var id: MCPeerID { invitatorID }
var noteName: String { note.title } var noteName: String { note.title }
let invitatorID: MCPeerID let invitatorID: MCPeerID
let note: NoteContent let note: NoteContent
private var invitationHandler: ((Bool) -> Void)? private var invitationHandler: ((Bool) -> Void)?
init( init(
invitatorID: MCPeerID, invitatorID: MCPeerID,
note: NoteContent, note: NoteContent,
invitationHandler: ((Bool) -> Void)? = nil invitationHandler: ((Bool) -> Void)? = nil
) { ) {
self.invitatorID = invitatorID self.invitatorID = invitatorID
self.note = note self.note = note
self.invitationHandler = invitationHandler self.invitationHandler = invitationHandler
} }
mutating func accept() { mutating func accept() {
invitationHandler?(true) invitationHandler?(true)
invitationHandler = nil invitationHandler = nil
} }
mutating func decline() { mutating func decline() {
invitationHandler?(false) invitationHandler?(false)
invitationHandler = nil invitationHandler = nil
} }
} }
@Observable @Observable
final class NoteEditingSessionClient: NSObject { final class NoteEditingSessionClient: NSObject {
private let session: MCSession private let session: MCSession
private let advertiser: MCNearbyServiceAdvertiser private let advertiser: MCNearbyServiceAdvertiser
private(set) var ownPeer: MCPeerID private(set) var ownPeer: MCPeerID
var invitations: [NoteInvitation] = [] var invitations: [NoteInvitation] = []
let noteChangesEmitter = PassthroughSubject<NoteMessage, Never>() let noteChangesEmitter = PassthroughSubject<NoteMessage, Never>()
init(peer: MCPeerID) { init(peer: MCPeerID) {
ownPeer = peer ownPeer = peer
session = MCSession( session = MCSession(
peer: peer, peer: peer,
securityIdentity: nil, securityIdentity: nil,
encryptionPreference: .required encryptionPreference: .required
) )
advertiser = MCNearbyServiceAdvertiser( advertiser = MCNearbyServiceAdvertiser(
peer: peer, peer: peer,
discoveryInfo: [:], discoveryInfo: [:],
serviceType: "peered" serviceType: "peered"
) )
super.init() super.init()
advertiser.delegate = self advertiser.delegate = self
session.delegate = self session.delegate = self
} }
func startBrowsingForNotes() { func startBrowsingForNotes() {
advertiser.startAdvertisingPeer() advertiser.startAdvertisingPeer()
} }
func stopBrowsingForNotes() { func stopBrowsingForNotes() {
advertiser.stopAdvertisingPeer() advertiser.stopAdvertisingPeer()
session.disconnect() session.disconnect()
} }
func send(note: String, to peer: MCPeerID) { func send(note: String, to peer: MCPeerID) {
let message = NoteMessage(senderID: ownPeer.displayName, content: note) let message = NoteMessage(senderID: ownPeer.displayName, content: note)
guard let data = try? JSONEncoder().encode(message) else { return } guard let data = try? JSONEncoder().encode(message) else { return }
try? session.send(data, toPeers: [peer], with: .reliable) try? session.send(data, toPeers: [peer], with: .reliable)
} }
} }
extension NoteEditingSessionClient: MCNearbyServiceAdvertiserDelegate { extension NoteEditingSessionClient: MCNearbyServiceAdvertiserDelegate {
func advertiser( func advertiser(
_ advertiser: MCNearbyServiceAdvertiser, _ advertiser: MCNearbyServiceAdvertiser,
didReceiveInvitationFromPeer peerID: MCPeerID, didReceiveInvitationFromPeer peerID: MCPeerID,
withContext context: Data?, withContext context: Data?,
invitationHandler: @escaping (Bool, MCSession?) -> Void invitationHandler: @escaping (Bool, MCSession?) -> Void
) { ) {
guard guard
let context, let context,
let noteContent = try? JSONDecoder().decode(NoteInvitation.NoteContent.self, from: context) let noteContent = try? JSONDecoder().decode(NoteInvitation.NoteContent.self, from: context)
else { return } else { return }
DispatchQueue.main.async { DispatchQueue.main.async {
self.invitations.append( self.invitations.append(
.init( .init(
invitatorID: peerID, invitatorID: peerID,
note: noteContent, note: noteContent,
invitationHandler: { [weak self, invitationHandler] accepted in invitationHandler: { [weak self, invitationHandler] accepted in
guard let self else { return } guard let self else { return }
invitationHandler(accepted, self.session) invitationHandler(accepted, self.session)
DispatchQueue.main.async { DispatchQueue.main.async {
self.invitations.removeAll { $0.id == peerID } self.invitations.removeAll { $0.id == peerID }
} }
} }
) )
) )
} }
} }
} }
extension NoteEditingSessionClient: MCSessionDelegate { extension NoteEditingSessionClient: MCSessionDelegate {
func session( func session(
_ session: MCSession, _ session: MCSession,
peer peerID: MCPeerID, peer peerID: MCPeerID,
didChange state: MCSessionState didChange state: MCSessionState
) {} ) {}
func session( func session(
_ session: MCSession, _ session: MCSession,
didReceive data: Data, didReceive data: Data,
fromPeer peerID: MCPeerID fromPeer peerID: MCPeerID
) { ) {
guard let message = try? JSONDecoder().decode(NoteMessage.self, from: data) else { return } guard let message = try? JSONDecoder().decode(NoteMessage.self, from: data) else { return }
DispatchQueue.main.async { DispatchQueue.main.async {
self.noteChangesEmitter.send(message) self.noteChangesEmitter.send(message)
} }
} }
func session(_ session: MCSession, didReceive stream: InputStream, withName streamName: String, fromPeer peerID: MCPeerID) {} func session(
func session(_ session: MCSession, didStartReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, with progress: Progress) {} _ session: MCSession, didReceive stream: InputStream, withName streamName: String,
func session(_ session: MCSession, didFinishReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, at localURL: URL?, withError error: (any Error)?) {} fromPeer peerID: MCPeerID
) {}
func session(
_ session: MCSession, didStartReceivingResourceWithName resourceName: String,
fromPeer peerID: MCPeerID, with progress: Progress
) {}
func session(
_ session: MCSession, didFinishReceivingResourceWithName resourceName: String,
fromPeer peerID: MCPeerID, at localURL: URL?, withError error: (any Error)?
) {}
} }
@@ -1,14 +1,14 @@
import SwiftUI import SwiftUI
struct NoteInvitationView: View { struct NoteInvitationView: View {
@Binding var invitation: NoteInvitation @Binding var invitation: NoteInvitation
let joinTapped: () -> Void let joinTapped: () -> Void
var body: some View { var body: some View {
HStack { HStack {
Text(invitation.noteName) Text(invitation.noteName)
Spacer() Spacer()
Button("Join", action: joinTapped) Button("Join", action: joinTapped)
} }
} }
} }
@@ -1,4 +1,4 @@
struct NoteMessage: Codable { struct NoteMessage: Codable {
let senderID: String let senderID: String
let content: String let content: String
} }
@@ -8,72 +8,76 @@
import Foundation import Foundation
protocol StorageProvider { protocol StorageProvider {
func contentsOfDirectory(atPath path: String) throws -> [String] func contentsOfDirectory(atPath path: String) throws -> [String]
@discardableResult @discardableResult
func createFile(atPath path: String, contents data: Data?, attributes attr: [FileAttributeKey: Any]?) -> Bool func createFile(
atPath path: String, contents data: Data?, attributes attr: [FileAttributeKey: Any]?
) -> Bool
} }
extension FileManager: StorageProvider {} extension FileManager: StorageProvider {}
struct NotesStorage { struct NotesStorage {
let storageProvider: StorageProvider let storageProvider: StorageProvider
let rootDirectory: URL let rootDirectory: URL
init( init(
storageProvider: StorageProvider = FileManager.default, storageProvider: StorageProvider = FileManager.default,
rootDirectory: URL = .documentsDirectory rootDirectory: URL = .documentsDirectory
) { ) {
self.storageProvider = storageProvider self.storageProvider = storageProvider
self.rootDirectory = rootDirectory self.rootDirectory = rootDirectory
} }
func loadNotes() -> [Note] { func loadNotes() -> [Note] {
let files = try! storageProvider let files =
.contentsOfDirectory(atPath: rootDirectory.path) try! storageProvider
var notes = [Note]() .contentsOfDirectory(atPath: rootDirectory.path)
var notes = [Note]()
for file in files.compactMap({ for file in files.compactMap({
URL( URL(
filePath: $0, filePath: $0,
directoryHint: .notDirectory, directoryHint: .notDirectory,
relativeTo: rootDirectory relativeTo: rootDirectory
) )
}) { }) {
let name = file.lastPathComponent let name = file.lastPathComponent
let note = Note( let note = Note(
name: name, name: name,
path: file path: file
) )
notes.append(note) notes.append(note)
} }
return notes return notes
} }
func createNote(name: String) { func createNote(name: String) {
let currentNotes = loadNotes() let currentNotes = loadNotes()
var index: Int? = nil var index: Int? = nil
var proposedName: String { var proposedName: String {
index.map { name + " \($0)" } ?? name index.map { name + " \($0)" } ?? name
} }
while currentNotes.contains(where: { $0.name == proposedName }) { while currentNotes.contains(where: { $0.name == proposedName }) {
if let _index = index { if let _index = index {
index = _index + 1 index = _index + 1
} else { } else {
index = 1 index = 1
} }
} }
let pathToWrite = rootDirectory let pathToWrite =
.appendingPathComponent(proposedName) rootDirectory
.appendingPathExtension(for: .text) .appendingPathComponent(proposedName)
.appendingPathExtension(for: .text)
storageProvider.createFile( storageProvider.createFile(
atPath: pathToWrite.path, atPath: pathToWrite.path,
contents: Data(), contents: Data(),
attributes: nil attributes: nil
) )
} }
} }