POC - Removing Participants on a Thread Reply

damus.xcodeproj/project.pbxproj

@@ -161,6 +161,7 @@
 		E990020F2955F837003BBC5A /* EditMetadataView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E990020E2955F837003BBC5A /* EditMetadataView.swift */; };
 		E9E4ED0B295867B900DD7078 /* ThreadV2View.swift in Sources */ = {isa = PBXBuildFile; fileRef = E9E4ED0A295867B900DD7078 /* ThreadV2View.swift */; };
 		F7F0BA25297892BD009531F3 /* SwipeToDismiss.swift in Sources */ = {isa = PBXBuildFile; fileRef = F7F0BA24297892BD009531F3 /* SwipeToDismiss.swift */; };
+		F7F0BA272978E54D009531F3 /* ParicipantsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = F7F0BA262978E54D009531F3 /* ParicipantsView.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -368,6 +369,7 @@
 		E990020E2955F837003BBC5A /* EditMetadataView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EditMetadataView.swift; sourceTree = "<group>"; };
 		E9E4ED0A295867B900DD7078 /* ThreadV2View.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ThreadV2View.swift; sourceTree = "<group>"; };
 		F7F0BA24297892BD009531F3 /* SwipeToDismiss.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SwipeToDismiss.swift; sourceTree = "<group>"; };
+		F7F0BA262978E54D009531F3 /* ParicipantsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ParicipantsView.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -538,6 +540,7 @@
 				4C06670028FC7C5900038D2A /* RelayView.swift */,
 				4C0A3F94280F6C78000448DE /* ReplyQuoteView.swift */,
 				4CACA9D4280C31E100D9BBE8 /* ReplyView.swift */,
+				F7F0BA262978E54D009531F3 /* ParicipantsView.swift */,
 				4C285C8D28399BFD008A31F1 /* SaveKeysView.swift */,
 				4C3AC7A628369BA200E1F516 /* SearchHomeView.swift */,
 				4C5C7E69284EDE2E00A22DF5 /* SearchResultsView.swift */,
@@ -900,6 +903,7 @@
 				4C0A3F8C280F5FCA000448DE /* ChatroomView.swift in Sources */,
 				4C477C9E282C3A4800033AA3 /* TipCounter.swift in Sources */,
 				647D9A8D2968520300A295DE /* SideMenuView.swift in Sources */,
+				F7F0BA272978E54D009531F3 /* ParicipantsView.swift in Sources */,
 				4C0A3F91280F6528000448DE /* ChatView.swift in Sources */,
 				4C216F362870A9A700040376 /* InputDismissKeyboard.swift in Sources */,
 				4C216F382871EDE300040376 /* DirectMessageModel.swift in Sources */,

damus/Views/ParicipantsView.swift

@@ -0,0 +1,53 @@
+//
+//  ParicipantsView.swift
+//  damus
+//
+//  Created by Joel Klabo on 1/18/23.
+//
+
+import SwiftUI
+
+struct ParticipantsView: View {
+    
+    let damus: DamusState
+    
+    @Binding var participants: [ReferencedId]
+    @Binding var originalParticipants: [ReferencedId]
+    
+    var body: some View {
+        VStack {
+            ForEach(originalParticipants) { participant in
+                ParticipantView(damus: damus, participant: participant) { participant, added in
+                    if added {
+                        participants.append(participant)
+                    } else {
+                        participants = participants.filter { $0 != participant }
+                    }
+                }
+            }
+        }
+    }
+}
+
+struct ParticipantView: View {
+    let damus: DamusState
+    let participant: ReferencedId
+    let onRemove: (ReferencedId, Bool) -> ()
+    
+    @State var isParticipating: Bool = true
+    
+    var body: some View {
+        HStack {
+            let pk = participant.ref_id
+            let prof = damus.profiles.lookup(id: pk)
+            Text(Profile.displayName(profile: prof, pubkey: pk))
+            Spacer()
+            Image(systemName: "checkmark.circle.fill")
+                .foregroundColor(isParticipating ? .purple : .gray)
+        }
+        .onTapGesture {
+            isParticipating.toggle()
+            onRemove(participant, isParticipating)
+        }
+    }
+}

damus/Views/ReplyView.swift

@@ -18,11 +18,14 @@ struct ReplyView: View {
     let replying_to: NostrEvent
     let damus: DamusState
     
+    @State var originalParticipants: [ReferencedId] = []
+    @State var participants: [ReferencedId] = []
+        
     var body: some View {
         VStack {
             Text("Replying to:", comment: "Indicating that the user is replying to the following listed people.")
             HStack(alignment: .top) {
-                let names = all_referenced_pubkeys(replying_to)
+                let names = participants
                     .map { pubkey in
                         let pk = pubkey.ref_id
                         let prof = damus.profiles.lookup(id: pk)
@@ -34,12 +37,16 @@ struct ReplyView: View {
                     .font(.footnote)
             }
             ScrollView {
-                EventView(event: replying_to, highlight: .none, has_action_bar: false, damus: damus, show_friend_icon: true)                
+                EventView(event: replying_to, highlight: .none, has_action_bar: false, damus: damus, show_friend_icon: true)
+                ParticipantsView(damus: damus, participants: $participants, originalParticipants: $originalParticipants)
             }
-            PostView(replying_to: replying_to, references: gather_reply_ids(our_pubkey: damus.pubkey, from: replying_to))
+            PostView(replying_to: replying_to, references: participants)
+        }
+        .onAppear {
+            participants = all_referenced_pubkeys(replying_to)
+            originalParticipants = participants
         }
         .padding()
-        
     }
     
     
@@ -47,6 +54,6 @@ struct ReplyView: View {
 
 struct ReplyView_Previews: PreviewProvider {
     static var previews: some View {
-        ReplyView(replying_to: NostrEvent(content: "hi", pubkey: "pubkey"), damus: test_damus_state())
+        ReplyView(replying_to: NostrEvent(content: "hi", pubkey: "pubkey"), damus: test_damus_state(), participants: [])
     }
 }