Files
wristcode/watch/WristCode/Views/FeedView.swift
T

349 lines
13 KiB
Swift

// Mock B's attention feed: the count waiting on you, then cards for every host. Needs you first
// (with Allow and Deny on the card), then working (with what the agent is doing), then recent.
// A Recent row swipes left to settle, and the Recent header settles every completed thread. Past
// Recent's first 10, an "N more" row opens the full Recent list.
import SwiftUI
struct FeedView: View {
@Environment(AppModel.self) private var model
@Environment(\.scenePhase) private var scenePhase
@State private var visible = false
var body: some View {
List {
FeedHeader(feed: model.feed, error: model.feedError)
.feedRow()
if let feed = model.feed {
let recent = model.visibleRecent(feed.recent)
let more = model.settlingAll ? 0 : feed.moreRecent
ForEach(feed.needsYou) { item in
NeedsYouCard(item: item).feedRow()
}
ForEach(feed.working) { item in
StatusCard(item: item).feedRow()
}
if !recent.isEmpty || more > 0 {
RecentHeader(recent: recent, more: more).feedRow()
}
ForEach(recent) { item in
RecentRow(item: item).feedRow()
}
if more > 0 {
MoreRecentRow(count: more).feedRow()
}
if feed.needsYou.isEmpty && feed.working.isEmpty && recent.isEmpty && more == 0 {
Text("No threads right now.")
.font(.system(size: 13))
.foregroundStyle(Theme.secondaryText)
.feedRow()
}
} else if model.feedError != nil {
Button("Try again") { Task { await model.refreshFeed() } }
.buttonStyle(PillButtonStyle(fill: Theme.control, foreground: .white))
.feedRow()
}
}
.listStyle(.plain)
.refreshable { await model.refreshFeed() }
.toolbar {
ToolbarItem(placement: .topBarLeading) {
NavigationLink(value: Route.status) {
Image(systemName: "gearshape.fill")
.foregroundStyle(.black)
}
.accessibilityLabel("Status and settings")
}
ToolbarItem(placement: .topBarTrailing) {
NavigationLink(value: Route.newThread) {
Image(systemName: "plus")
.fontWeight(.bold)
.foregroundStyle(.black)
}
.accessibilityLabel("New thread")
}
}
.onAppear { visible = true }
.onDisappear { visible = false }
// Refresh on appear, when the app comes to the foreground, and every 10 s while on screen.
.task(id: visible && scenePhase == .active) {
guard visible && scenePhase == .active else { return }
while !Task.isCancelled {
await model.refreshFeed()
try? await Task.sleep(for: .seconds(10))
}
}
}
}
extension View {
/// A clear List row with the feed's card insets.
func feedRow() -> some View {
listRowBackground(Color.clear)
.listRowInsets(EdgeInsets(top: 3, leading: 4, bottom: 3, trailing: 4))
}
}
/// The big count of threads waiting on you, plus offline hosts and refresh errors.
private struct FeedHeader: View {
var feed: Feed?
var error: String?
var body: some View {
VStack(alignment: .leading, spacing: 2) {
if let feed {
let waiting = feed.needsYou.count
Text("\(waiting)")
.font(.system(size: 34, weight: .bold, design: .rounded))
.foregroundStyle(waiting > 0 ? Theme.you : Theme.done)
Text(subtitle(feed))
.font(.system(size: 13))
.foregroundStyle(Theme.secondaryText)
ForEach(feed.hosts.filter { $0.status != .online }) { host in
Label("\(host.label) \(host.status.problem ?? "")", systemImage: "wifi.slash")
.font(.system(size: 11))
.foregroundStyle(Theme.done)
}
} else if error == nil {
Text("Loading")
.font(.system(size: 15, weight: .semibold))
.foregroundStyle(Theme.secondaryText)
}
if let error {
Text(error)
.font(.system(size: 11))
.foregroundStyle(Theme.done)
.lineLimit(3)
}
}
.padding(.horizontal, 8)
.padding(.bottom, 4)
.accessibilityElement(children: .combine)
}
private func subtitle(_ feed: Feed) -> String {
let working = feed.working.count
let lead = feed.needsYou.isEmpty ? "nothing waiting" : "waiting on you"
return working > 0 ? "\(lead) · \(working) working" : lead
}
}
/// A title over the finished and failed threads, with Settle all when any completed or when
/// threads past `recent` may have. Settle all is one call for every completed thread in Recent. It
/// leaves failed threads, which settle one at a time by swipe.
struct RecentHeader: View {
@Environment(AppModel.self) private var model
var title = "Recent"
var recent: [FeedItem]
/// Threads in Recent that `recent` leaves out.
var more = 0
var body: some View {
VStack(alignment: .leading, spacing: 2) {
HStack {
Text(title)
.foregroundStyle(Theme.secondaryText)
Spacer()
if more > 0 || recent.contains(where: { $0.phase == .completed }) {
Button("Settle all") { Task { await model.settleAllRecent() } }
.buttonStyle(.plain)
.foregroundStyle(Theme.work)
.disabled(model.settlingAll)
}
}
.font(.system(size: 12, weight: .semibold))
if let error = model.settleAllError {
Text(error)
.font(.system(size: 11))
.foregroundStyle(Theme.secondaryText)
}
}
.padding(.horizontal, 8)
.padding(.top, 4)
}
}
/// A Recent thread: its card, which opens the thread, and a left swipe to settle it.
struct RecentRow: View {
@Environment(AppModel.self) private var model
var item: FeedItem
var body: some View {
StatusCard(item: item)
.swipeActions(edge: .trailing) {
Button { Task { await model.settle([item]) } } label: {
Label("Settle", systemImage: "checkmark")
}
.tint(Theme.work)
}
}
}
/// The last Recent row when the feed leaves threads out: "N more", dimmer than a card, opening the
/// full Recent list.
struct MoreRecentRow: View {
@Environment(AppModel.self) private var model
var count: Int
var body: some View {
Button { model.path.append(.recent) } label: {
Card(edge: Theme.done.opacity(0.5)) {
HStack {
Text("\(count) more")
.font(.system(size: 13, weight: .semibold))
.foregroundStyle(Theme.done)
Spacer(minLength: 4)
Image(systemName: "chevron.right")
.font(.system(size: 11, weight: .bold))
.foregroundStyle(Theme.done)
}
}
.opacity(0.8)
.contentShape(Rectangle())
}
.buttonStyle(.plain)
.accessibilityLabel("\(count) more recent threads")
}
}
/// An amber card for a thread waiting on an approval or an answer, with Allow and Deny inline.
/// When a subagent asked, one line names it, and the answer goes to the subagent.
struct NeedsYouCard: View {
@Environment(AppModel.self) private var model
var item: FeedItem
@State private var sending = false
@State private var error: String?
var body: some View {
Card(edge: Theme.you) {
Button { model.path.append(item.route) } label: {
VStack(alignment: .leading, spacing: 1) {
Text("\(item.hostLabel) · \(item.projectTitle)")
.font(.system(size: 11, weight: .semibold))
.foregroundStyle(Theme.you)
.lineLimit(1)
Text(item.title)
.font(.system(size: 15, weight: .semibold))
.lineLimit(2)
if let via = item.via, let request = item.request {
let name = Text(via.title).bold().foregroundStyle(.white)
Text(request.isQuestion ? "Subagent \(name) asks:" : "Subagent \(name) wants to run:")
.font(.system(size: 12))
.foregroundStyle(Theme.secondaryText)
.lineLimit(2)
.padding(.top, 2)
}
if let request = item.request {
Text(request.summary)
.font(request.isQuestion ? .system(size: 12) : .system(size: 12, design: .monospaced))
.foregroundStyle(Theme.secondaryText)
.lineLimit(3)
.padding(.top, 2)
}
}
.frame(maxWidth: .infinity, alignment: .leading)
.contentShape(Rectangle())
}
.buttonStyle(.plain)
if let request = item.request, let quick = request.quickOptions {
HStack(spacing: 6) {
Button(quick.allow.label) { respond(request, quick.allow.decision) }
.buttonStyle(ChoiceButtonStyle(fill: Theme.you, foreground: .black))
Button(quick.deny.label) { respond(request, quick.deny.decision) }
.buttonStyle(ChoiceButtonStyle())
}
.disabled(sending)
.opacity(sending ? 0.5 : 1)
.padding(.top, 7)
} else if item.request?.isQuestion == true {
Button("Answer") { model.path.append(item.route) }
.buttonStyle(ChoiceButtonStyle(fill: Theme.you, foreground: .black))
.padding(.top, 7)
}
if let error {
Text(error)
.font(.system(size: 11))
.foregroundStyle(Theme.secondaryText)
.padding(.top, 4)
}
}
}
private func respond(_ request: PendingRequest, _ decision: ApprovalDecision) {
sending = true
error = nil
Task {
do {
let target = item.requestThread
try await model.api.respond(
hostId: target.hostId, threadId: target.threadId,
request: .decision(requestId: request.id, decision: decision))
} catch let failure as GatewayError where failure.isStale {
// Someone answered it already; the refresh below drops the card.
} catch {
self.error = model.message(for: error)
}
await model.refreshFeed()
sending = false
}
}
}
/// A teal card for a working thread, or a grey one for a recent thread. A recent thread that failed
/// to settle shows why.
struct StatusCard: View {
@Environment(AppModel.self) private var model
var item: FeedItem
var body: some View {
Button { model.path.append(item.route) } label: {
Card(edge: item.phase.color) {
Text(meta)
.font(.system(size: 11, weight: .semibold))
.foregroundStyle(item.phase == .failed ? Theme.secondaryText : item.phase.color)
.lineLimit(1)
Text(item.title)
.font(.system(size: 15, weight: .semibold))
.foregroundStyle(item.phase.isWorking ? Color.white : Theme.secondaryText)
.lineLimit(2)
.padding(.top, 1)
if item.phase.isWorking, let line = item.lastMessage {
Text(line)
.font(.system(size: 12))
.foregroundStyle(Theme.secondaryText)
.lineLimit(2)
.padding(.top, 3)
}
if let error = model.settleErrors[item.id] {
Text(error)
.font(.system(size: 11))
.foregroundStyle(Theme.secondaryText)
.padding(.top, 4)
}
}
.contentShape(Rectangle())
}
.buttonStyle(.plain)
}
private var meta: String {
if item.phase.isWorking {
return "\(item.hostLabel) · \(item.projectTitle)"
}
let age = Format.age(of: item.updatedAt)
let state = item.phase == .failed ? "Failed" : age == "now" ? "just now" : "\(age) ago"
return "\(item.hostLabel) · \(state)"
}
}
#Preview("Feed") {
NavigationStack {
FeedView()
}
.environment(AppModel.preview())
.fontDesign(.rounded)
}