108 lines
2.9 KiB
Swift
108 lines
2.9 KiB
Swift
//
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// BuilderEventView.swift
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// damus
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//
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// Created by William Casarin on 2023-01-23.
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//
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import SwiftUI
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struct BuilderEventView: View {
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let damus: DamusState
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let event_id: String
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@State var event: NostrEvent?
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@State var subscription_uuid: String = UUID().description
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init(damus: DamusState, event: NostrEvent) {
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_event = State(initialValue: event)
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self.damus = damus
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self.event_id = event.id
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}
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init(damus: DamusState, event_id: String) {
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let event = damus.events.lookup(event_id)
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self.event_id = event_id
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self.damus = damus
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_event = State(initialValue: event)
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}
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func unsubscribe() {
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damus.pool.unsubscribe(sub_id: subscription_uuid)
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}
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func subscribe(filters: [NostrFilter]) {
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damus.pool.register_handler(sub_id: subscription_uuid, handler: handle_event)
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damus.pool.send(.subscribe(.init(filters: filters, sub_id: subscription_uuid)))
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}
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func handle_event(relay_id: String, ev: NostrConnectionEvent) {
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guard case .nostr_event(let nostr_response) = ev else {
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return
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}
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guard case .event(let id, let nostr_event) = nostr_response else {
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return
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}
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guard id == subscription_uuid else {
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return
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}
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guard nostr_event.known_kind == .text else {
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return
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}
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if event != nil {
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return
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}
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event = nostr_event
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unsubscribe()
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}
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func load() {
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subscribe(filters: [
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NostrFilter(ids: [self.event_id], limit: 1),
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NostrFilter(
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kinds: [NostrKind.zap.rawValue],
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referenced_ids: [self.event_id]
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)
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])
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}
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var body: some View {
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VStack {
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if let event = event {
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let ev = event.inner_event ?? event
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let thread = ThreadModel(event: ev, damus_state: damus)
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let dest = ThreadView(state: damus, thread: thread)
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NavigationLink(destination: dest) {
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EmbeddedEventView(damus_state: damus, event: event)
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.padding(8)
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}.buttonStyle(.plain)
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} else {
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ProgressView().padding()
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}
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}
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.frame(minWidth: 0, maxWidth: .infinity)
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.overlay(
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RoundedRectangle(cornerRadius: 10)
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.stroke(Color.gray.opacity(0.2), lineWidth: 1.0)
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)
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.onAppear {
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guard event == nil else {
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return
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}
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self.load()
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}
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}
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}
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struct BuilderEventView_Previews: PreviewProvider {
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static var previews: some View {
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BuilderEventView(damus: test_damus_state(), event_id: "536bee9e83c818e3b82c101935128ae27a0d4290039aaf253efe5f09232c1962")
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}
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}
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