Mute events in threads

Changlog-Added: Mute events in threads

damus/Views/Events/MutedEventView.swift

@@ -0,0 +1,112 @@
+//
+//  MutedEventView.swift
+//  damus
+//
+//  Created by William Casarin on 2023-01-27.
+//
+
+import SwiftUI
+
+struct MutedEventView: View {
+    let damus_state: DamusState
+    let event: NostrEvent
+    let scroller: ScrollViewProxy?
+    
+    let selected: Bool
+    @Binding var nav_target: String?
+    @Binding var navigating: Bool
+    @State var shown: Bool
+    @Environment(\.colorScheme) var colorScheme
+    
+    init(damus_state: DamusState, event: NostrEvent, scroller: ScrollViewProxy?, nav_target: Binding<String?>, navigating: Binding<Bool>, selected: Bool) {
+        self.damus_state = damus_state
+        self.event = event
+        self.scroller = scroller
+        self.selected = selected
+        self._nav_target = nav_target
+        self._navigating = navigating
+        self._shown = State(initialValue: !should_hide_event(contacts: damus_state.contacts, ev: event))
+    }
+    
+    var should_mute: Bool {
+        return should_hide_event(contacts: damus_state.contacts, ev: event)
+    }
+    
+    var FillColor: Color {
+        colorScheme == .light ? Color("DamusLightGrey") : Color("DamusDarkGrey")
+    }
+    
+    var MutedBox: some View {
+        ZStack {
+            RoundedRectangle(cornerRadius: 20)
+                .foregroundColor(FillColor)
+            
+            HStack {
+                Text("Post from a user you've blocked")
+                Spacer()
+                Button(shown ? "Hide" : "Show") {
+                    shown.toggle()
+                }
+            }
+            .padding(10)
+        }
+    }
+    
+    var Event: some View {
+        Group {
+            if selected {
+                SelectedEventView(damus: damus_state, event: event)
+            } else {
+                EventView(damus: damus_state, event: event, has_action_bar: true)
+                    .onTapGesture {
+                        nav_target = event.id
+                        navigating = true
+                    }
+                    .onAppear {
+                        // TODO: find another solution to prevent layout shifting and layout blocking on large responses
+                        scroller?.scrollTo("main", anchor: .bottom)
+                    }
+            }
+        }
+    }
+    
+    var body: some View {
+        Group {
+            if should_mute {
+                MutedBox
+            }
+            if shown {
+                Event
+            }
+        }
+        .onReceive(handle_notify(.new_mutes)) { notif in
+            guard let mutes = notif.object as? [String] else {
+                return
+            }
+            
+            if mutes.contains(event.pubkey) {
+                shown = false
+            }
+        }
+        .onReceive(handle_notify(.new_unmutes)) { notif in
+            guard let unmutes = notif.object as? [String] else {
+                return
+            }
+            
+            if unmutes.contains(event.pubkey) {
+                shown = true
+            }
+        }
+    }
+}
+
+struct MutedEventView_Previews: PreviewProvider {
+    @State static var nav_target: String? = nil
+    @State static var navigating: Bool = false
+    
+    static var previews: some View {
+        
+        MutedEventView(damus_state: test_damus_state(), event: test_event, scroller: nil, nav_target: $nav_target, navigating: $navigating, selected: false)
+            .frame(width: .infinity, height: 50)
+    }
+}