mark all knocks as seen implemented

ElementX/Sources/FlowCoordinators/RoomFlowCoordinator.swift

@@ -1651,14 +1651,3 @@ private extension RoomFlowCoordinator {
         case dismissKnockRequestsListScreen
     }
 }
-
-private extension Result {
-    var isFailure: Bool {
-        switch self {
-        case .success:
-            return false
-        case .failure:
-            return true
-        }
-    }
-}

ElementX/Sources/Other/Extensions/Result.swift

@@ -0,0 +1,17 @@
+//
+// Copyright 2024 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+// Please see LICENSE in the repository root for full details.
+//
+
+extension Result {
+    var isFailure: Bool {
+        switch self {
+        case .success:
+            return false
+        case .failure:
+            return true
+        }
+    }
+}

ElementX/Sources/Screens/RoomScreen/RoomScreenViewModel.swift

@@ -106,8 +106,7 @@ class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol
         case .acceptKnock(let eventID):
             Task { await acceptKnock(eventID: eventID) }
         case .dismissKnockRequests:
-            // TODO: API to mark knocks as seen required
-            break
+            Task { await markAllKnocksAsSeen() }
         case .viewKnockRequests:
             actionsSubject.send(.displayKnockRequests)
         }
@@ -304,6 +303,25 @@ class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol
         }
     }
 
+    private func markAllKnocksAsSeen() async {
+        let requests = roomProxy.requestsToJoinPublisher.value
+        state.handledEventIDs.formUnion(Set(requests.map(\.eventID)))
+        let failedIDs = await withTaskGroup(of: (String, Result<Void, RequestToJoinProxyError>).self) { group in
+            for request in requests {
+                group.addTask {
+                    await (request.eventID, request.markAsSeen())
+                }
+            }
+
+            var failedIDs = [String]()
+            for await result in group where result.1.isFailure {
+                failedIDs.append(result.0)
+            }
+            return failedIDs
+        }
+        state.handledEventIDs.subtract(failedIDs)
+    }
+
     // MARK: Loading indicators
 
     private static let loadingIndicatorIdentifier = "\(RoomScreenViewModel.self)-Loading"