Files
damus/damus/ContentView.swift
Swift 15849e290e Fixed repost turning green too early and not reposting sometimes
Changelog-Fixed: Fixed repost turning green too early and not reposting sometimes
2023-04-17 12:55:52 -07:00

881 lines
33 KiB
Swift

//
// ContentView.swift
// damus
//
// Created by William Casarin on 2022-04-01.
//
import SwiftUI
import Starscream
struct TimestampedProfile {
let profile: Profile
let timestamp: Int64
let event: NostrEvent
}
enum Sheets: Identifiable {
case post
case report(ReportTarget)
case reply(NostrEvent)
case event(NostrEvent)
case filter
var id: String {
switch self {
case .report: return "report"
case .post: return "post"
case .reply(let ev): return "reply-" + ev.id
case .event(let ev): return "event-" + ev.id
case .filter: return "filter"
}
}
}
enum ThreadState {
case event_details
case chatroom
}
enum FilterState : Int {
case posts_and_replies = 1
case posts = 0
func filter(ev: NostrEvent) -> Bool {
switch self {
case .posts:
return !ev.is_reply(nil)
case .posts_and_replies:
return true
}
}
}
struct ContentView: View {
let keypair: Keypair
var pubkey: String {
return keypair.pubkey
}
var privkey: String? {
return keypair.privkey
}
@State var status: String = "Not connected"
@State var active_sheet: Sheets? = nil
@State var damus_state: DamusState? = nil
@State var selected_timeline: Timeline? = .home
@State var is_deleted_account: Bool = false
@State var is_profile_open: Bool = false
@State var event: NostrEvent? = nil
@State var active_profile: String? = nil
@State var active_search: NostrFilter? = nil
@State var active_event: NostrEvent? = nil
@State var profile_open: Bool = false
@State var thread_open: Bool = false
@State var search_open: Bool = false
@State var muting: String? = nil
@State var confirm_mute: Bool = false
@State var user_muted_confirm: Bool = false
@State var confirm_overwrite_mutelist: Bool = false
@State var current_boost: NostrEvent? = nil
@State var filter_state : FilterState = .posts_and_replies
@State private var isSideBarOpened = false
@StateObject var home: HomeModel = HomeModel()
@State var shouldShowBoostAlert = false
// connect retry timer
let timer = Timer.publish(every: 4, on: .main, in: .common).autoconnect()
let sub_id = UUID().description
@Environment(\.colorScheme) var colorScheme
var mystery: some View {
Text("Are you lost?", comment: "Text asking the user if they are lost in the app.")
.id("what")
}
var PostingTimelineView: some View {
VStack {
ZStack {
TabView(selection: $filter_state) {
// This is needed or else there is a bug when switching from the 3rd or 2nd tab to first. no idea why.
mystery
contentTimelineView(filter: FilterState.posts.filter)
.tag(FilterState.posts)
.id(FilterState.posts)
contentTimelineView(filter: FilterState.posts_and_replies.filter)
.tag(FilterState.posts_and_replies)
.id(FilterState.posts_and_replies)
}
.tabViewStyle(.page(indexDisplayMode: .never))
if privkey != nil {
PostButtonContainer(is_left_handed: damus_state?.settings.left_handed ?? false) {
self.active_sheet = .post
}
}
}
}
.safeAreaInset(edge: .top, spacing: 0) {
VStack(spacing: 0) {
CustomPicker(selection: $filter_state, content: {
Text("Posts", comment: "Label for filter for seeing only posts (instead of posts and replies).").tag(FilterState.posts)
Text("Posts & Replies", comment: "Label for filter for seeing posts and replies (instead of only posts).").tag(FilterState.posts_and_replies)
})
Divider()
.frame(height: 1)
}
.background(colorScheme == .dark ? Color.black : Color.white)
}
}
func contentTimelineView(filter: (@escaping (NostrEvent) -> Bool)) -> some View {
ZStack {
if let damus = self.damus_state {
TimelineView(events: home.events, loading: $home.loading, damus: damus, show_friend_icon: false, filter: filter)
}
}
}
func popToRoot() {
profile_open = false
thread_open = false
search_open = false
isSideBarOpened = false
}
var timelineNavItem: Text {
return Text(timeline_name(selected_timeline))
.bold()
}
func MainContent(damus: DamusState) -> some View {
VStack {
NavigationLink(destination: MaybeProfileView, isActive: $profile_open) {
EmptyView()
}
if let active_event {
let thread = ThreadModel(event: active_event, damus_state: damus_state!)
NavigationLink(destination: ThreadView(state: damus_state!, thread: thread), isActive: $thread_open) {
EmptyView()
}
}
NavigationLink(destination: MaybeSearchView, isActive: $search_open) {
EmptyView()
}
switch selected_timeline {
case .search:
if #available(iOS 16.0, *) {
SearchHomeView(damus_state: damus_state!, model: SearchHomeModel(damus_state: damus_state!))
.scrollDismissesKeyboard(.immediately)
} else {
// Fallback on earlier versions
SearchHomeView(damus_state: damus_state!, model: SearchHomeModel(damus_state: damus_state!))
}
case .home:
PostingTimelineView
case .notifications:
NotificationsView(state: damus, notifications: home.notifications)
case .dms:
DirectMessagesView(damus_state: damus_state!, model: damus_state!.dms)
case .none:
EmptyView()
}
}
.navigationBarTitle(timeline_name(selected_timeline), displayMode: .inline)
.toolbar {
ToolbarItem(placement: .principal) {
VStack {
if selected_timeline == .home {
Image("damus-home")
.resizable()
.frame(width:30,height:30)
.shadow(color: DamusColors.purple, radius: 2)
.opacity(isSideBarOpened ? 0 : 1)
.animation(isSideBarOpened ? .none : .default, value: isSideBarOpened)
} else {
timelineNavItem
.opacity(isSideBarOpened ? 0 : 1)
.animation(isSideBarOpened ? .none : .default, value: isSideBarOpened)
}
}
}
}
}
var MaybeSearchView: some View {
Group {
if let search = self.active_search {
SearchView(appstate: damus_state!, search: SearchModel(contacts: damus_state!.contacts, pool: damus_state!.pool, search: search))
} else {
EmptyView()
}
}
}
var MaybeProfileView: some View {
Group {
if let pk = self.active_profile {
let profile_model = ProfileModel(pubkey: pk, damus: damus_state!)
let followers = FollowersModel(damus_state: damus_state!, target: pk)
ProfileView(damus_state: damus_state!, profile: profile_model, followers: followers)
} else {
EmptyView()
}
}
}
func MaybeReportView(target: ReportTarget) -> some View {
Group {
if let damus_state {
if let sec = damus_state.keypair.privkey {
ReportView(postbox: damus_state.postbox, target: target, privkey: sec)
} else {
EmptyView()
}
} else {
EmptyView()
}
}
}
func open_event(ev: NostrEvent) {
self.active_event = ev
self.thread_open = true
}
var body: some View {
VStack(alignment: .leading, spacing: 0) {
if let damus = self.damus_state {
NavigationView {
TabView { // Prevents navbar appearance change on scroll
MainContent(damus: damus)
.toolbar() {
ToolbarItem(placement: .navigationBarLeading) {
Button {
isSideBarOpened.toggle()
} label: {
ProfilePicView(pubkey: damus_state!.pubkey, size: 32, highlight: .none, profiles: damus_state!.profiles)
.opacity(isSideBarOpened ? 0 : 1)
.animation(isSideBarOpened ? .none : .default, value: isSideBarOpened)
}
.disabled(isSideBarOpened)
}
ToolbarItem(placement: .navigationBarTrailing) {
HStack(alignment: .center) {
SignalView(state: damus_state!, signal: home.signal)
// maybe expand this to other timelines in the future
if selected_timeline == .search {
Button(action: {
//isFilterVisible.toggle()
self.active_sheet = .filter
}) {
// checklist, checklist.checked, lisdt.bullet, list.bullet.circle, line.3.horizontal.decrease..., line.3.horizontail.decrease
Label(NSLocalizedString("Filter", comment: "Button label text for filtering relay servers."), systemImage: "line.3.horizontal.decrease")
.foregroundColor(.gray)
//.contentShape(Rectangle())
}
}
}
}
}
}
.tabViewStyle(.page(indexDisplayMode: .never))
.overlay(
SideMenuView(damus_state: damus, isSidebarVisible: $isSideBarOpened.animation())
)
}
.navigationViewStyle(.stack)
TabBar(new_events: $home.new_events, selected: $selected_timeline, settings: damus.settings, action: switch_timeline)
.padding([.bottom], 8)
.background(Color(uiColor: .systemBackground).ignoresSafeArea())
}
}
.ignoresSafeArea(.keyboard)
.onAppear() {
self.connect()
setup_notifications()
}
.sheet(item: $active_sheet) { item in
switch item {
case .report(let target):
MaybeReportView(target: target)
case .post:
PostView(replying_to: nil, damus_state: damus_state!)
case .reply(let event):
PostView(replying_to: event, damus_state: damus_state!)
case .event:
EventDetailView()
case .filter:
let timeline = selected_timeline ?? .home
if #available(iOS 16.0, *) {
RelayFilterView(state: damus_state!, timeline: timeline)
.presentationDetents([.height(550)])
.presentationDragIndicator(.visible)
} else {
RelayFilterView(state: damus_state!, timeline: timeline)
}
}
}
.onOpenURL { url in
guard let link = decode_nostr_uri(url.absoluteString) else {
return
}
switch link {
case .ref(let ref):
if ref.key == "p" {
active_profile = ref.ref_id
profile_open = true
} else if ref.key == "e" {
find_event(state: damus_state!, evid: ref.ref_id, search_type: .event, find_from: nil) { ev in
if let ev {
open_event(ev: ev)
}
}
}
case .filter(let filt):
active_search = filt
search_open = true
break
// TODO: handle filter searches?
}
}
.onReceive(handle_notify(.boost)) { notif in
if let ev = (notif.object as? NostrEvent) {
current_boost = ev
shouldShowBoostAlert = true
}
}
.onReceive(handle_notify(.reply)) { notif in
let ev = notif.object as! NostrEvent
self.active_sheet = .reply(ev)
}
.onReceive(handle_notify(.like)) { like in
}
.onReceive(handle_notify(.deleted_account)) { notif in
self.is_deleted_account = true
}
.onReceive(handle_notify(.report)) { notif in
let target = notif.object as! ReportTarget
self.active_sheet = .report(target)
}
.onReceive(handle_notify(.mute)) { notif in
let pubkey = notif.object as! String
self.muting = pubkey
self.confirm_mute = true
}
.onReceive(handle_notify(.broadcast_event)) { obj in
let ev = obj.object as! NostrEvent
guard let ds = self.damus_state else {
return
}
ds.postbox.send(ev)
if let profile = ds.profiles.profiles[ev.pubkey] {
ds.postbox.send(profile.event)
}
}
.onReceive(handle_notify(.unfollow)) { notif in
guard let privkey = self.privkey else {
return
}
guard let damus = self.damus_state else {
return
}
let target = notif.object as! FollowTarget
let pk = target.pubkey
if let ev = unfollow_user(postbox: damus.postbox,
our_contacts: damus.contacts.event,
pubkey: damus.pubkey,
privkey: privkey,
unfollow: pk) {
notify(.unfollowed, pk)
damus.contacts.event = ev
damus.contacts.remove_friend(pk)
//friend_events = friend_events.filter { $0.pubkey != pk }
}
}
.onReceive(handle_notify(.follow)) { notif in
guard let privkey = self.privkey else {
return
}
let fnotify = notif.object as! FollowTarget
guard let damus = self.damus_state else {
return
}
if let ev = follow_user(pool: damus.pool,
our_contacts: damus.contacts.event,
pubkey: damus.pubkey,
privkey: privkey,
follow: ReferencedId(ref_id: fnotify.pubkey, relay_id: nil, key: "p")) {
notify(.followed, fnotify.pubkey)
damus_state?.contacts.event = ev
switch fnotify {
case .pubkey(let pk):
damus.contacts.add_friend_pubkey(pk)
case .contact(let ev):
damus.contacts.add_friend_contact(ev)
}
}
}
.onReceive(handle_notify(.post)) { obj in
guard let privkey = self.privkey else {
return
}
let post_res = obj.object as! NostrPostResult
switch post_res {
case .post(let post):
//let post = tup.0
//let to_relays = tup.1
print("post \(post.content)")
let new_ev = post_to_event(post: post, privkey: privkey, pubkey: pubkey)
guard let ds = self.damus_state else {
return
}
ds.postbox.send(new_ev)
for eref in new_ev.referenced_ids.prefix(3) {
// also broadcast at most 3 referenced events
if let ev = ds.events.lookup(eref.ref_id) {
ds.postbox.send(ev)
}
}
case .cancel:
active_sheet = nil
print("post cancelled")
}
}
.onReceive(timer) { n in
self.damus_state?.pool.connect_to_disconnected()
}
.onReceive(handle_notify(.new_mutes)) { notif in
home.filter_muted()
}
.onReceive(handle_notify(.mute_thread)) { notif in
home.filter_muted()
}
.onReceive(handle_notify(.unmute_thread)) { notif in
home.filter_muted()
}
.onReceive(handle_notify(.local_notification)) { notif in
guard let local = notif.object as? LossyLocalNotification,
let damus_state else {
return
}
guard let target = damus_state.events.lookup(local.event_id) else {
return
}
switch local.type {
case .dm:
selected_timeline = .dms
damus_state.dms.open_dm_by_pk(target.pubkey)
case .like: fallthrough
case .zap: fallthrough
case .mention: fallthrough
case .repost:
open_event(ev: target)
}
}
.alert(NSLocalizedString("Deleted Account", comment: "Alert message to indicate this is a deleted account"), isPresented: $is_deleted_account) {
Button(NSLocalizedString("Logout", comment: "Button to close the alert that informs that the current account has been deleted.")) {
is_deleted_account = false
notify(.logout, ())
}
}
.alert(NSLocalizedString("User muted", comment: "Alert message to indicate the user has been muted"), isPresented: $user_muted_confirm, actions: {
Button(NSLocalizedString("Thanks!", comment: "Button to close out of alert that informs that the action to muted a user was successful.")) {
user_muted_confirm = false
}
}, message: {
if let pubkey = self.muting {
let profile = damus_state!.profiles.lookup(id: pubkey)
let name = Profile.displayName(profile: profile, pubkey: pubkey).username
Text("\(name) has been muted", comment: "Alert message that informs a user was muted.")
} else {
Text("User has been muted", comment: "Alert message that informs a user was d.")
}
})
.alert(NSLocalizedString("Create new mutelist", comment: "Title of alert prompting the user to create a new mutelist."), isPresented: $confirm_overwrite_mutelist, actions: {
Button(NSLocalizedString("Cancel", comment: "Button to cancel out of alert that creates a new mutelist.")) {
confirm_overwrite_mutelist = false
confirm_mute = false
}
Button(NSLocalizedString("Yes, Overwrite", comment: "Text of button that confirms to overwrite the existing mutelist.")) {
guard let ds = damus_state else {
return
}
guard let keypair = ds.keypair.to_full() else {
return
}
guard let pubkey = muting else {
return
}
guard let mutelist = create_or_update_mutelist(keypair: keypair, mprev: nil, to_add: pubkey) else {
return
}
damus_state?.contacts.set_mutelist(mutelist)
ds.postbox.send(mutelist)
confirm_overwrite_mutelist = false
confirm_mute = false
user_muted_confirm = true
}
}, message: {
Text("No mute list found, create a new one? This will overwrite any previous mute lists.", comment: "Alert message prompt that asks if the user wants to create a new mute list, overwriting previous mute lists.")
})
.alert(NSLocalizedString("Mute User", comment: "Title of alert for muting a user."), isPresented: $confirm_mute, actions: {
Button(NSLocalizedString("Cancel", comment: "Alert button to cancel out of alert for muting a user."), role: .cancel) {
confirm_mute = false
}
Button(NSLocalizedString("Mute", comment: "Alert button to mute a user."), role: .destructive) {
guard let ds = damus_state else {
return
}
if ds.contacts.mutelist == nil {
confirm_overwrite_mutelist = true
} else {
guard let keypair = ds.keypair.to_full() else {
return
}
guard let pubkey = muting else {
return
}
guard let ev = create_or_update_mutelist(keypair: keypair, mprev: ds.contacts.mutelist, to_add: pubkey) else {
return
}
damus_state?.contacts.set_mutelist(ev)
ds.postbox.send(ev)
}
}
}, message: {
if let pubkey = muting {
let profile = damus_state?.profiles.lookup(id: pubkey)
let name = Profile.displayName(profile: profile, pubkey: pubkey).username
Text("Mute \(name)?", comment: "Alert message prompt to ask if a user should be muted.")
} else {
Text("Could not find user to mute...", comment: "Alert message to indicate that the muted user could not be found.")
}
})
.alert(NSLocalizedString("Repost", comment: "Title of alert for confirming to repost a post."), isPresented: $shouldShowBoostAlert) {
Button(NSLocalizedString("Cancel", comment: "Button to cancel out of reposting a post.")) {
current_boost = nil
}
Button(NSLocalizedString("Repost", comment: "Button to confirm reposting a post.")) {
if let current_boost {
self.damus_state?.postbox.send(current_boost)
}
}
} message: {
Text("Are you sure you want to repost this?", comment: "Alert message to ask if user wants to repost a post.")
}
}
func switch_timeline(_ timeline: Timeline) {
self.isSideBarOpened = false
self.popToRoot()
NotificationCenter.default.post(name: .switched_timeline, object: timeline)
if timeline == self.selected_timeline {
NotificationCenter.default.post(name: .scroll_to_top, object: nil)
return
}
self.selected_timeline = timeline
//NotificationCenter.default.post(name: .switched_timeline, object: timeline)
//self.selected_timeline = timeline
}
func add_relay(_ pool: RelayPool, _ relay: String) {
//add_rw_relay(pool, "wss://nostr-pub.wellorder.net")
add_rw_relay(pool, relay)
/*
let profile = Profile(name: relay, about: nil, picture: nil)
let ts = Int64(Date().timeIntervalSince1970)
let tsprofile = TimestampedProfile(profile: profile, timestamp: ts)
damus!.profiles.add(id: relay, profile: tsprofile)
*/
}
func connect() {
let pool = RelayPool()
let metadatas = RelayMetadatas()
let relay_filters = RelayFilters(our_pubkey: pubkey)
let bootstrap_relays = load_bootstrap_relays(pubkey: pubkey)
let new_relay_filters = load_relay_filters(pubkey) == nil
for relay in bootstrap_relays {
if let url = URL(string: relay) {
add_new_relay(relay_filters: relay_filters, metadatas: metadatas, pool: pool, url: url, info: .rw, new_relay_filters: new_relay_filters)
}
}
pool.register_handler(sub_id: sub_id, handler: home.handle_event)
self.damus_state = DamusState(pool: pool,
keypair: keypair,
likes: EventCounter(our_pubkey: pubkey),
boosts: EventCounter(our_pubkey: pubkey),
contacts: Contacts(our_pubkey: pubkey),
tips: TipCounter(our_pubkey: pubkey),
profiles: Profiles(),
dms: home.dms,
previews: PreviewCache(),
zaps: Zaps(our_pubkey: pubkey),
lnurls: LNUrls(),
settings: UserSettingsStore(),
relay_filters: relay_filters,
relay_metadata: metadatas,
drafts: Drafts(),
events: EventCache(),
bookmarks: BookmarksManager(pubkey: pubkey),
postbox: PostBox(pool: pool),
bootstrap_relays: bootstrap_relays,
replies: ReplyCounter(our_pubkey: pubkey),
muted_threads: MutedThreadsManager(keypair: keypair)
)
home.damus_state = self.damus_state!
pool.connect()
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView(keypair: Keypair(pubkey: "3efdaebb1d8923ebd99c9e7ace3b4194ab45512e2be79c1b7d68d9243e0d2681", privkey: nil))
}
}
func get_since_time(last_event: NostrEvent?) -> Int64? {
if let last_event = last_event {
return last_event.created_at - 60 * 10
}
return nil
}
func ws_nostr_event(relay: String, ev: WebSocketEvent) -> NostrEvent? {
switch ev {
case .binary(let dat):
return NostrEvent(content: "binary data? \(dat.count) bytes", pubkey: relay)
case .cancelled:
return NostrEvent(content: "cancelled", pubkey: relay)
case .connected:
return NostrEvent(content: "connected", pubkey: relay)
case .disconnected:
return NostrEvent(content: "disconnected", pubkey: relay)
case .error(let err):
return NostrEvent(content: "error \(err.debugDescription)", pubkey: relay)
case .text(let txt):
return NostrEvent(content: "text \(txt)", pubkey: relay)
case .pong:
return NostrEvent(content: "pong", pubkey: relay)
case .ping:
return NostrEvent(content: "ping", pubkey: relay)
case .viabilityChanged(let b):
return NostrEvent(content: "viabilityChanged \(b)", pubkey: relay)
case .reconnectSuggested(let b):
return NostrEvent(content: "reconnectSuggested \(b)", pubkey: relay)
}
}
func is_notification(ev: NostrEvent, pubkey: String) -> Bool {
if ev.pubkey == pubkey {
return false
}
return ev.references(id: pubkey, key: "p")
}
extension UINavigationController: UIGestureRecognizerDelegate {
override open func viewDidLoad() {
super.viewDidLoad()
interactivePopGestureRecognizer?.delegate = self
}
public func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
return viewControllers.count > 1
}
}
struct LastNotification {
let id: String
let created_at: Int64
}
func get_last_event(_ timeline: Timeline) -> LastNotification? {
let str = timeline.rawValue
let last = UserDefaults.standard.string(forKey: "last_\(str)")
let last_created = UserDefaults.standard.string(forKey: "last_\(str)_time")
.flatMap { Int64($0) }
return last.flatMap { id in
last_created.map { created in
return LastNotification(id: id, created_at: created)
}
}
}
func save_last_event(_ ev: NostrEvent, timeline: Timeline) {
let str = timeline.rawValue
UserDefaults.standard.set(ev.id, forKey: "last_\(str)")
UserDefaults.standard.set(String(ev.created_at), forKey: "last_\(str)_time")
}
func get_like_pow() -> [String] {
return ["00000"] // 20 bits
}
func update_filters_with_since(last_of_kind: [Int: NostrEvent], filters: [NostrFilter]) -> [NostrFilter] {
return filters.map { filter in
let kinds = filter.kinds ?? []
let initial: Int64? = nil
let earliest = kinds.reduce(initial) { earliest, kind in
let last = last_of_kind[kind]
let since: Int64? = get_since_time(last_event: last)
if earliest == nil {
if since == nil {
return nil
}
return since
}
if since == nil {
return earliest
}
return since! < earliest! ? since! : earliest!
}
if let earliest = earliest {
var with_since = NostrFilter.copy(from: filter)
with_since.since = earliest
return with_since
}
return filter
}
}
func setup_notifications() {
UIApplication.shared.registerForRemoteNotifications()
let center = UNUserNotificationCenter.current()
center.getNotificationSettings { settings in
guard settings.authorizationStatus == .authorized else {
center.requestAuthorization(options: [.alert, .sound, .badge]) { granted, error in
}
return
}
}
}
func find_event(state: DamusState, evid: String, search_type: SearchType, find_from: [String]?, callback: @escaping (NostrEvent?) -> ()) {
if let ev = state.events.lookup(evid) {
callback(ev)
return
}
let subid = UUID().description
var has_event = false
var filter = search_type == .event ? NostrFilter.filter_ids([ evid ]) : NostrFilter.filter_authors([ evid ])
if search_type == .profile {
filter.kinds = [0]
}
filter.limit = 1
var attempts = 0
state.pool.subscribe_to(sub_id: subid, filters: [filter], to: find_from) { relay_id, res in
guard case .nostr_event(let ev) = res else {
return
}
guard ev.subid == subid else {
return
}
switch ev {
case .ok:
break
case .event(_, let ev):
has_event = true
callback(ev)
state.pool.unsubscribe(sub_id: subid)
case .eose:
if !has_event {
attempts += 1
if attempts == state.pool.descriptors.count / 2 {
callback(nil)
}
state.pool.unsubscribe(sub_id: subid, to: [relay_id])
}
case .notice(_):
break
}
}
}
func timeline_name(_ timeline: Timeline?) -> String {
guard let timeline else {
return ""
}
switch timeline {
case .home:
return NSLocalizedString("Home", comment: "Navigation bar title for Home view where posts and replies appear from those who the user is following.")
case .notifications:
return NSLocalizedString("Notifications", comment: "Toolbar label for Notifications view.")
case .search:
return NSLocalizedString("Universe 🛸", comment: "Toolbar label for the universal view where posts from all connected relay servers appear.")
case .dms:
return NSLocalizedString("DMs", comment: "Toolbar label for DMs view, where DM is the English abbreviation for Direct Message.")
}
}