Add a UserProfileScreen for profiles of non-members. (#2687)

ElementX.xcodeproj/project.pbxproj

@@ -115,6 +115,7 @@
 		1950A80CD198BED283DFC2CE /* ClientProxy.swift in Sources */ = {isa = PBXBuildFile; fileRef = 18F2958E6D247AE2516BEEE8 /* ClientProxy.swift */; };
 		19DED23340D0855B59693ED2 /* VoiceMessageRecorderProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = D45C9EAA86423D7D3126DE4F /* VoiceMessageRecorderProtocol.swift */; };
 		19FE025AE9BA2959B6589B0D /* RoomMemberDetailsScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1CC575D1895FA62591451A93 /* RoomMemberDetailsScreen.swift */; };
+		1A3B073568D1DC8F76F1F3A0 /* UserProfileScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = 23EE69982BBA18C6D51AD08E /* UserProfileScreen.swift */; };
 		1A70A2199394B5EC660934A5 /* MatrixRustSDK in Frameworks */ = {isa = PBXBuildFile; productRef = A678E40E917620059695F067 /* MatrixRustSDK */; };
 		1A83DD22F3E6F76B13B6E2F9 /* VideoRoomTimelineItemContent.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8C8616254EE40CA8BA5E9BC2 /* VideoRoomTimelineItemContent.swift */; };
 		1AB3D8563AB12635250A6A6E /* StaticLocationScreenCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = C15E0017717EAE3A1D02D005 /* StaticLocationScreenCoordinator.swift */; };
@@ -293,6 +294,7 @@
 		4557192F5B15A8D9BB920232 /* AdvancedSettingsScreenCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7E492690C8B27A892C194CC4 /* AdvancedSettingsScreenCoordinator.swift */; };
 		46562110EE202E580A5FFD9C /* RoomScreenViewModelTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 93CF7B19FFCF8EFBE0A8696A /* RoomScreenViewModelTests.swift */; };
 		4681820102DAC8BA586357D4 /* VoiceMessageCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = DAB8D7926A5684E18196B538 /* VoiceMessageCache.swift */; };
+		46A183C6125A669AEB005699 /* UserProfileScreenViewModelProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = F134D2D91DFF732FB75B2CB7 /* UserProfileScreenViewModelProtocol.swift */; };
 		46A261AA898344A1F3C406B1 /* ReportContentScreenModels.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3CCE3636E3D01477C8B2E9D0 /* ReportContentScreenModels.swift */; };
 		46A6DB0F78FB399BD59E2D41 /* EncryptionKeyProviderProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = E78FC546F28E045A560F2963 /* EncryptionKeyProviderProtocol.swift */; };
 		46BA7F4B4D3A7164DED44B88 /* FullscreenDialog.swift in Sources */ = {isa = PBXBuildFile; fileRef = 565F1B2B300597C616B37888 /* FullscreenDialog.swift */; };
@@ -445,6 +447,7 @@
 		69DE29C3E3180BB17D840690 /* ProgressCursorModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97C8E13A1FBA717B0C277ECC /* ProgressCursorModifier.swift */; };
 		6A0E7551E0D1793245F34CDD /* ClientError.swift in Sources */ = {isa = PBXBuildFile; fileRef = D09A267106B9585D3D0CFC0D /* ClientError.swift */; };
 		6AD722DD92E465E56D2885AB /* BugReportScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = BA919F521E9F0EE3638AFC85 /* BugReportScreen.swift */; };
+		6AEB650311F694A5702255C9 /* UserProfileScreenCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5B4932E4EFBC8FAC10972CD /* UserProfileScreenCoordinator.swift */; };
 		6AECC84BE14A13440120FED8 /* NSESettingsProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9FB4F169D653296023ED65E6 /* NSESettingsProtocol.swift */; };
 		6B05AA5D9BBCD6D8D63B80EB /* TimelineItemAccessibilityModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74C6F3DAD167F972702C8893 /* TimelineItemAccessibilityModifier.swift */; };
 		6B31508C6334C617360C2EAB /* RoomMemberDetailsViewModelTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EC589E641AE46EFB2962534D /* RoomMemberDetailsViewModelTests.swift */; };
@@ -722,6 +725,7 @@
 		AADE7C2497A7B55D8BED7BD6 /* IdentityConfirmedScreenViewModelProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8319173DD66C07F45DC48848 /* IdentityConfirmedScreenViewModelProtocol.swift */; };
 		AAF0BBED840DF4A53EE85E77 /* MatrixRustSDK in Frameworks */ = {isa = PBXBuildFile; productRef = C2C69B8BA5A9702E7A8BC08F /* MatrixRustSDK */; };
 		ABF3FAB234AD3565B214309B /* TimelineSenderAvatarView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0BC588051E6572A1AF51D738 /* TimelineSenderAvatarView.swift */; };
+		AC1DB27A4134470846BE49F6 /* UserProfileScreenViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0BD116096CAA9139B95EEA9C /* UserProfileScreenViewModel.swift */; };
 		AC69B6DF15FC451AB2945036 /* UserSessionStoreProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = BEBA759D1347CFFB3D84ED1F /* UserSessionStoreProtocol.swift */; };
 		AC7AA215D60FBC307F984028 /* Consumable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 127A57D053CE8C87B5EFB089 /* Consumable.swift */; };
 		AC90434798E7894370E80E66 /* SecureBackupScreenViewModelProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = D79BB714D28C9F588DD69353 /* SecureBackupScreenViewModelProtocol.swift */; };
@@ -890,6 +894,7 @@
 		D415764645491F10344FC6AC /* Publisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = 60F18AECC9D38C2B6D85F99C /* Publisher.swift */; };
 		D43F0503EF2CBC55272538FE /* SDKGeneratedMocks.swift in Sources */ = {isa = PBXBuildFile; fileRef = C2F079B5DBD0D85FEA687AAE /* SDKGeneratedMocks.swift */; };
 		D46C33F8B61B55F0C8C2D15F /* LocationRoomTimelineItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1B2AC540DE619B36832A5DB5 /* LocationRoomTimelineItem.swift */; };
+		D4CB979EB4FE26AAD9F9A72B /* UserProfileScreenModels.swift in Sources */ = {isa = PBXBuildFile; fileRef = 604A69C081B935D6A38DE6D8 /* UserProfileScreenModels.swift */; };
 		D4D5595C4A2A702CFF4E94FF /* HeroImage.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7EC2F1622C5BBABED6012E12 /* HeroImage.swift */; };
 		D4D7CCECC6C0AAFC42E165BB /* NotificationPermissionsScreenViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = BE9BBB18FB27F09032AD8769 /* NotificationPermissionsScreenViewModel.swift */; };
 		D53B80EF02C1062E68659EDD /* ReportContentViewModelTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 086C19086DD16E9B38E25954 /* ReportContentViewModelTests.swift */; };
@@ -1169,6 +1174,7 @@
 		0BB05221D7D941CC82DC8480 /* LogViewerScreenViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LogViewerScreenViewModel.swift; sourceTree = "<group>"; };
 		0BC588051E6572A1AF51D738 /* TimelineSenderAvatarView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineSenderAvatarView.swift; sourceTree = "<group>"; };
 		0BCE3FAF40932AC7C7639AC4 /* AnalyticsSettingsScreenViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AnalyticsSettingsScreenViewModel.swift; sourceTree = "<group>"; };
+		0BD116096CAA9139B95EEA9C /* UserProfileScreenViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserProfileScreenViewModel.swift; sourceTree = "<group>"; };
 		0C34667458773B02AB5FB0B2 /* LegalInformationScreenViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LegalInformationScreenViewModel.swift; sourceTree = "<group>"; };
 		0C62E07C1164F5120727A2A8 /* AppLockSetupBiometricsScreenCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppLockSetupBiometricsScreenCoordinator.swift; sourceTree = "<group>"; };
 		0CCC6C31102E1D8B9106DEDE /* AppLockSetupBiometricsScreenViewModelProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppLockSetupBiometricsScreenViewModelProtocol.swift; sourceTree = "<group>"; };
@@ -1268,6 +1274,7 @@
 		2389732B0E115A999A069083 /* NotificationSettingsScreenCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationSettingsScreenCoordinator.swift; sourceTree = "<group>"; };
 		23AA3F4B285570805CB0CCDD /* MapTiler.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MapTiler.swift; sourceTree = "<group>"; };
 		23E6EB7960BC9D0F7396B3BD /* RoomChangeRolesScreenRow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RoomChangeRolesScreenRow.swift; sourceTree = "<group>"; };
+		23EE69982BBA18C6D51AD08E /* UserProfileScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserProfileScreen.swift; sourceTree = "<group>"; };
 		240610DF32F3213BEC5611D7 /* BlockedUsersScreenViewModelTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BlockedUsersScreenViewModelTests.swift; sourceTree = "<group>"; };
 		24227FF9A2797F6EA7F69CDD /* HomeScreenInvitesButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomeScreenInvitesButton.swift; sourceTree = "<group>"; };
 		2429224EB0EEA34D35CE9249 /* UserIndicatorControllerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserIndicatorControllerTests.swift; sourceTree = "<group>"; };
@@ -1499,6 +1506,7 @@
 		5F4134FEFE4EB55759017408 /* UserSessionProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserSessionProtocol.swift; sourceTree = "<group>"; };
 		5FACD034DB52525A3CEF2BDF /* SessionVerificationScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SessionVerificationScreen.swift; sourceTree = "<group>"; };
 		6033779EB37259F27F938937 /* ClientProxyProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ClientProxyProtocol.swift; sourceTree = "<group>"; };
+		604A69C081B935D6A38DE6D8 /* UserProfileScreenModels.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserProfileScreenModels.swift; sourceTree = "<group>"; };
 		60F18AECC9D38C2B6D85F99C /* Publisher.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Publisher.swift; sourceTree = "<group>"; };
 		612EF972F2A1800682D32C5E /* StickerRoomTimelineView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StickerRoomTimelineView.swift; sourceTree = "<group>"; };
 		61B33F23681660E940BA57F4 /* it */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = it; path = it.lproj/SAS.strings; sourceTree = "<group>"; };
@@ -1965,6 +1973,7 @@
 		D529B976F8B2AA654D923422 /* VoiceMessageRoomTimelineItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VoiceMessageRoomTimelineItem.swift; sourceTree = "<group>"; };
 		D54E12B98252F6C527E31FEE /* MediaUploadPreviewScreenViewModelProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaUploadPreviewScreenViewModelProtocol.swift; sourceTree = "<group>"; };
 		D5AC06FC11B6638F7BF1670E /* TimelineDeliveryStatusView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineDeliveryStatusView.swift; sourceTree = "<group>"; };
+		D5B4932E4EFBC8FAC10972CD /* UserProfileScreenCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserProfileScreenCoordinator.swift; sourceTree = "<group>"; };
 		D5E26C54362206BBDD096D83 /* test_audio.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; path = test_audio.mp3; sourceTree = "<group>"; };
 		D5EA0312A6262484AA393AC9 /* CompletionSuggestionServiceTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CompletionSuggestionServiceTests.swift; sourceTree = "<group>"; };
 		D622EC7898469BB1D0881CDD /* PollFormScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PollFormScreen.swift; sourceTree = "<group>"; };
@@ -2075,6 +2084,7 @@
 		F08776C48FFB47CACF64ED10 /* ServerConfirmationScreenViewModelTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ServerConfirmationScreenViewModelTests.swift; sourceTree = "<group>"; };
 		F0B9F5BC4C80543DE7228B9D /* MapTilerStyle.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MapTilerStyle.swift; sourceTree = "<group>"; };
 		F0E14FF533D25A0692F7CEB0 /* RoomPollsHistoryScreenViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RoomPollsHistoryScreenViewModel.swift; sourceTree = "<group>"; };
+		F134D2D91DFF732FB75B2CB7 /* UserProfileScreenViewModelProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserProfileScreenViewModelProtocol.swift; sourceTree = "<group>"; };
 		F174A5627CDB3CAF280D1880 /* EmojiPickerScreenModels.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiPickerScreenModels.swift; sourceTree = "<group>"; };
 		F17EFA1D3D09FC2F9C5E1CB2 /* MediaProvider.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaProvider.swift; sourceTree = "<group>"; };
 		F1B8500C152BC59445647DA8 /* UnsupportedRoomTimelineItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UnsupportedRoomTimelineItem.swift; sourceTree = "<group>"; };
@@ -3863,6 +3873,14 @@
 			path = Session;
 			sourceTree = "<group>";
 		};
+		832EB453B3A5D04C18D86117 /* View */ = {
+			isa = PBXGroup;
+			children = (
+				23EE69982BBA18C6D51AD08E /* UserProfileScreen.swift */,
+			);
+			path = View;
+			sourceTree = "<group>";
+		};
 		832FC81F760220239E285294 /* Proxy */ = {
 			isa = PBXGroup;
 			children = (
@@ -4015,6 +4033,18 @@
 			path = ElementCall;
 			sourceTree = "<group>";
 		};
+		93C7520ED23C9598BB144DBB /* UserProfileScreen */ = {
+			isa = PBXGroup;
+			children = (
+				D5B4932E4EFBC8FAC10972CD /* UserProfileScreenCoordinator.swift */,
+				604A69C081B935D6A38DE6D8 /* UserProfileScreenModels.swift */,
+				0BD116096CAA9139B95EEA9C /* UserProfileScreenViewModel.swift */,
+				F134D2D91DFF732FB75B2CB7 /* UserProfileScreenViewModelProtocol.swift */,
+				832EB453B3A5D04C18D86117 /* View */,
+			);
+			path = UserProfileScreen;
+			sourceTree = "<group>";
+		};
 		948DD12A5533BE1BC260E437 /* LocationSharing */ = {
 			isa = PBXGroup;
 			children = (
@@ -4873,6 +4903,7 @@
 				2565414373E6F68005966B8E /* SecureBackup */,
 				70B74A432C241E56A7ACE610 /* Settings */,
 				EC4545C7E37E8294D3FE6800 /* StartChatScreen */,
+				93C7520ED23C9598BB144DBB /* UserProfileScreen */,
 			);
 			path = Screens;
 			sourceTree = "<group>";
@@ -6504,6 +6535,11 @@
 				80DEA2A4B20F9E279EAE6B2B /* UserProfile+Mock.swift in Sources */,
 				ED90A59F068FD0CA27E602ED /* UserProfileListRow.swift in Sources */,
 				E21FE4C5B614F311C0955859 /* UserProfileProxy.swift in Sources */,
+				1A3B073568D1DC8F76F1F3A0 /* UserProfileScreen.swift in Sources */,
+				6AEB650311F694A5702255C9 /* UserProfileScreenCoordinator.swift in Sources */,
+				D4CB979EB4FE26AAD9F9A72B /* UserProfileScreenModels.swift in Sources */,
+				AC1DB27A4134470846BE49F6 /* UserProfileScreenViewModel.swift in Sources */,
+				46A183C6125A669AEB005699 /* UserProfileScreenViewModelProtocol.swift in Sources */,
 				8AB8ED1051216546CB35FA0E /* UserSession.swift in Sources */,
 				4A618590DEB72C4F186BFED4 /* UserSessionFlowCoordinator.swift in Sources */,
 				3113065AABBC14CEAE6843FA /* UserSessionFlowCoordinatorStateMachine.swift in Sources */,

ElementX/Sources/FlowCoordinators/RoomFlowCoordinator.swift

@@ -186,6 +186,11 @@ class RoomFlowCoordinator: FlowCoordinatorProtocol {
             case (.roomMemberDetails(_, let fromRoomMembersList), .dismissRoomMemberDetails):
                 return fromRoomMembersList ? .roomMembersList : .room
             
+            case (.roomMemberDetails(_, fromRoomMembersList: false), .presentUserProfile(let userID)):
+                return .userProfile(userID: userID)
+            case (.userProfile, .dismissUserProfile):
+                return .room
+                
             case (.roomDetails, .presentInviteUsersScreen):
                 return .inviteUsersScreen(fromRoomMembersList: false)
             case (.roomMembersList, .presentInviteUsersScreen):
@@ -305,6 +310,11 @@ class RoomFlowCoordinator: FlowCoordinatorProtocol {
             case (.roomMemberDetails, .dismissRoomMemberDetails, .roomMembersList):
                 break
             
+            case (.roomMemberDetails, .presentUserProfile(let userID), .userProfile):
+                replaceRoomMemberDetailsWithUserProfile(userID: userID)
+            case (.userProfile, .dismissUserProfile, .room):
+                break
+                
             case (.roomDetails, .presentInviteUsersScreen, .inviteUsersScreen):
                 presentInviteUsersScreen()
             case (.inviteUsersScreen, .dismissInviteUsersScreen, .roomDetails):
@@ -874,35 +884,10 @@ class RoomFlowCoordinator: FlowCoordinatorProtocol {
         coordinator.actions.sink { [weak self] action in
             guard let self else { return }
             switch action {
+            case .openUserProfile:
+                stateMachine.tryEvent(.presentUserProfile(userID: userID))
             case .openDirectChat(let displayName):
-                let loadingIndicatorIdentifier = "OpenDirectChatLoadingIndicator"
+                openDirectChat(with: userID, displayName: displayName)
-                
-                userIndicatorController.submitIndicator(UserIndicator(id: loadingIndicatorIdentifier,
-                                                                      type: .modal(progress: .indeterminate, interactiveDismissDisabled: true, allowsInteraction: false),
-                                                                      title: L10n.commonLoading,
-                                                                      persistent: true))
-                
-                Task { [weak self] in
-                    guard let self else { return }
-                    
-                    let currentDirectRoom = await userSession.clientProxy.directRoomForUserID(userID)
-                    switch currentDirectRoom {
-                    case .success(.some(let roomID)):
-                        stateMachine.tryEvent(.presentChildRoom(roomID: roomID))
-                    case .success(nil):
-                        switch await userSession.clientProxy.createDirectRoom(with: userID, expectedRoomName: displayName) {
-                        case .success(let roomID):
-                            analytics.trackCreatedRoom(isDM: true)
-                            stateMachine.tryEvent(.presentChildRoom(roomID: roomID))
-                        case .failure:
-                            userIndicatorController.alertInfo = .init(id: UUID())
-                        }
-                    case .failure:
-                        userIndicatorController.alertInfo = .init(id: UUID())
-                    }
-                    
-                    userIndicatorController.retractIndicatorWithId(loadingIndicatorIdentifier)
-                }
             }
         }
         .store(in: &cancellables)
@@ -912,6 +897,60 @@ class RoomFlowCoordinator: FlowCoordinatorProtocol {
         }
     }
     
+    private func replaceRoomMemberDetailsWithUserProfile(userID: String) {
+        let parameters = UserProfileScreenCoordinatorParameters(userID: userID,
+                                                                clientProxy: userSession.clientProxy,
+                                                                mediaProvider: userSession.mediaProvider,
+                                                                userIndicatorController: userIndicatorController)
+        let coordinator = UserProfileScreenCoordinator(parameters: parameters)
+        coordinator.actionsPublisher.sink { [weak self] action in
+            guard let self else { return }
+            
+            switch action {
+            case .openDirectChat(let displayName):
+                openDirectChat(with: userID, displayName: displayName)
+            }
+        }
+        .store(in: &cancellables)
+        
+        // Replace the RoomMemberDetailsScreen without any animation.
+        navigationStackCoordinator.pop(animated: false)
+        navigationStackCoordinator.push(coordinator, animated: false) { [weak self] in
+            self?.stateMachine.tryEvent(.dismissUserProfile)
+        }
+    }
+    
+    private func openDirectChat(with userID: String, displayName: String?) {
+        let loadingIndicatorIdentifier = "OpenDirectChatLoadingIndicator"
+        
+        userIndicatorController.submitIndicator(UserIndicator(id: loadingIndicatorIdentifier,
+                                                              type: .modal(progress: .indeterminate, interactiveDismissDisabled: true, allowsInteraction: false),
+                                                              title: L10n.commonLoading,
+                                                              persistent: true))
+        
+        Task { [weak self] in
+            guard let self else { return }
+            
+            let currentDirectRoom = await userSession.clientProxy.directRoomForUserID(userID)
+            switch currentDirectRoom {
+            case .success(.some(let roomID)):
+                stateMachine.tryEvent(.presentChildRoom(roomID: roomID))
+            case .success(nil):
+                switch await userSession.clientProxy.createDirectRoom(with: userID, expectedRoomName: displayName) {
+                case .success(let roomID):
+                    analytics.trackCreatedRoom(isDM: true)
+                    stateMachine.tryEvent(.presentChildRoom(roomID: roomID))
+                case .failure:
+                    userIndicatorController.alertInfo = .init(id: UUID())
+                }
+            case .failure:
+                userIndicatorController.alertInfo = .init(id: UUID())
+            }
+            
+            userIndicatorController.retractIndicatorWithId(loadingIndicatorIdentifier)
+        }
+    }
+    
     private func presentMessageForwarding(for itemID: TimelineItemIdentifier) {
         guard let roomSummaryProvider = userSession.clientProxy.alternateRoomSummaryProvider, let eventID = itemID.eventID else {
             fatalError()
@@ -1160,6 +1199,7 @@ private extension RoomFlowCoordinator {
         case globalNotificationSettings
         case roomMembersList
         case roomMemberDetails(userID: String, fromRoomMembersList: Bool)
+        case userProfile(userID: String)
         case inviteUsersScreen(fromRoomMembersList: Bool)
         case mediaUploadPicker(source: MediaPickerScreenSource)
         case mediaUploadPreview(fileURL: URL)
@@ -1207,6 +1247,9 @@ private extension RoomFlowCoordinator {
         case presentRoomMemberDetails(userID: String)
         case dismissRoomMemberDetails
         
+        case presentUserProfile(userID: String)
+        case dismissUserProfile
+        
         case presentInviteUsersScreen
         case dismissInviteUsersScreen
                 

ElementX/Sources/Other/SwiftUI/Views/AvatarHeaderView.swift

@@ -59,6 +59,22 @@ struct AvatarHeaderView<Footer: View>: View {
         self.footer = footer
     }
     
+    init(user: UserProfileProxy,
+         avatarSize: AvatarSize,
+         imageProvider: ImageProviderProtocol? = nil,
+         onAvatarTap: (() -> Void)? = nil,
+         @ViewBuilder footer: @escaping () -> Footer) {
+        id = user.userID
+        name = user.displayName
+        subtitle = user.displayName == nil ? nil : user.userID
+        avatarURL = user.avatarURL
+        
+        self.avatarSize = avatarSize
+        self.imageProvider = imageProvider
+        self.onAvatarTap = onAvatarTap
+        self.footer = footer
+    }
+
     var body: some View {
         VStack(spacing: 8.0) {
             Button {

ElementX/Sources/Screens/RoomMemberDetailsScreen/RoomMemberDetailsScreenCoordinator.swift

@@ -26,6 +26,7 @@ struct RoomMemberDetailsScreenCoordinatorParameters {
 }
 
 enum RoomMemberDetailsScreenCoordinatorAction {
+    case openUserProfile
     case openDirectChat(displayName: String?)
 }
 
@@ -52,6 +53,8 @@ final class RoomMemberDetailsScreenCoordinator: CoordinatorProtocol {
             guard let self else { return }
             
             switch action {
+            case .openUserProfile:
+                actionsSubject.send(.openUserProfile)
             case .openDirectChat(let displayName):
                 actionsSubject.send(.openDirectChat(displayName: displayName))
             }

ElementX/Sources/Screens/RoomMemberDetailsScreen/RoomMemberDetailsScreenModels.swift

@@ -17,6 +17,7 @@
 import Foundation
 
 enum RoomMemberDetailsScreenViewModelAction {
+    case openUserProfile
     case openDirectChat(displayName: String?)
 }
 

ElementX/Sources/Screens/RoomMemberDetailsScreen/RoomMemberDetailsScreenViewModel.swift

@@ -59,8 +59,8 @@ class RoomMemberDetailsScreenViewModel: RoomMemberDetailsScreenViewModelType, Ro
                 state.memberDetails = RoomMemberDetails(withProxy: member)
                 state.isOwnMemberDetails = member.userID == roomProxy.ownUserID
             case .failure(let error):
-                state.bindings.alertInfo = .init(id: .unknown)
+                MXLog.warning("Failed to find member: \(error)")
-                MXLog.error("[RoomFlowCoordinator] Failed to get member: \(error)")
+                actionsSubject.send(.openUserProfile)
             }
         }
     }

ElementX/Sources/Screens/RoomMemberDetailsScreen/View/RoomMemberDetailsScreen.swift

@@ -21,19 +21,6 @@ struct RoomMemberDetailsScreen: View {
     @ObservedObject var context: RoomMemberDetailsScreenViewModel.Context
     
     var body: some View {
-        content
-            .compoundList()
-            .navigationTitle(L10n.screenRoomMemberDetailsTitle)
-            .alert(item: $context.ignoreUserAlert, actions: blockUserAlertActions, message: blockUserAlertMessage)
-            .alert(item: $context.alertInfo)
-            .track(screen: .User)
-            .interactiveQuickLook(item: $context.mediaPreviewItem, shouldHideControls: true)
-    }
-    
-    // MARK: - Private
-    
-    @ViewBuilder
-    private var content: some View {
         Form {
             headerSection
             
@@ -42,8 +29,16 @@ struct RoomMemberDetailsScreen: View {
                 blockUserSection
             }
         }
+        .compoundList()
+        .navigationTitle(L10n.screenRoomMemberDetailsTitle)
+        .alert(item: $context.ignoreUserAlert, actions: blockUserAlertActions, message: blockUserAlertMessage)
+        .alert(item: $context.alertInfo)
+        .track(screen: .User)
+        .interactiveQuickLook(item: $context.mediaPreviewItem, shouldHideControls: true)
     }
     
+    // MARK: - Private
+    
     @ViewBuilder
     private var headerSection: some View {
         if let memberDetails = context.viewState.memberDetails {
@@ -63,7 +58,7 @@ struct RoomMemberDetailsScreen: View {
                 }
             }
         } else {
-            AvatarHeaderView(member: .init(loading: context.viewState.userID),
+            AvatarHeaderView(user: UserProfileProxy(userID: context.viewState.userID),
                              avatarSize: .user(on: .memberDetails),
                              imageProvider: context.imageProvider,
                              footer: { })

ElementX/Sources/Screens/UserProfileScreen/UserProfileScreenCoordinator.swift

@@ -0,0 +1,67 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Combine
+import SwiftUI
+
+struct UserProfileScreenCoordinatorParameters {
+    let userID: String
+    let clientProxy: ClientProxyProtocol
+    let mediaProvider: MediaProviderProtocol
+    let userIndicatorController: UserIndicatorControllerProtocol
+}
+
+enum UserProfileScreenCoordinatorAction {
+    case openDirectChat(displayName: String?)
+}
+
+final class UserProfileScreenCoordinator: CoordinatorProtocol {
+    private var viewModel: UserProfileScreenViewModelProtocol
+    
+    private var cancellables = Set<AnyCancellable>()
+    
+    private let actionsSubject: PassthroughSubject<UserProfileScreenCoordinatorAction, Never> = .init()
+    var actionsPublisher: AnyPublisher<UserProfileScreenCoordinatorAction, Never> {
+        actionsSubject.eraseToAnyPublisher()
+    }
+    
+    init(parameters: UserProfileScreenCoordinatorParameters) {
+        viewModel = UserProfileScreenViewModel(userID: parameters.userID,
+                                               clientProxy: parameters.clientProxy,
+                                               mediaProvider: parameters.mediaProvider,
+                                               userIndicatorController: parameters.userIndicatorController)
+    }
+    
+    func start() {
+        viewModel.actionsPublisher.sink { [weak self] action in
+            guard let self else { return }
+            
+            switch action {
+            case .openDirectChat(let displayName):
+                actionsSubject.send(.openDirectChat(displayName: displayName))
+            }
+        }
+        .store(in: &cancellables)
+    }
+    
+    func stop() {
+        viewModel.stop()
+    }
+    
+    func toPresentable() -> AnyView {
+        AnyView(UserProfileScreen(context: viewModel.context))
+    }
+}

ElementX/Sources/Screens/UserProfileScreen/UserProfileScreenModels.swift

@@ -0,0 +1,47 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+enum UserProfileScreenViewModelAction {
+    case openDirectChat(displayName: String?)
+}
+
+struct UserProfileScreenViewState: BindableState {
+    let userID: String
+    let isOwnUser: Bool
+    
+    var userProfile: UserProfileProxy?
+    var permalink: URL?
+
+    var bindings: UserProfileScreenViewStateBindings
+}
+
+struct UserProfileScreenViewStateBindings {
+    var alertInfo: AlertInfo<UserProfileScreenError>?
+    
+    /// A media item that will be previewed with QuickLook.
+    var mediaPreviewItem: MediaPreviewItem?
+}
+
+enum UserProfileScreenViewAction {
+    case displayAvatar
+    case openDirectChat
+}
+
+enum UserProfileScreenError: Hashable {
+    case unknown
+}

ElementX/Sources/Screens/UserProfileScreen/UserProfileScreenViewModel.swift

@@ -0,0 +1,119 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Combine
+import MatrixRustSDK
+import SwiftUI
+
+typealias UserProfileScreenViewModelType = StateStoreViewModel<UserProfileScreenViewState, UserProfileScreenViewAction>
+
+class UserProfileScreenViewModel: UserProfileScreenViewModelType, UserProfileScreenViewModelProtocol {
+    private let clientProxy: ClientProxyProtocol
+    private let mediaProvider: MediaProviderProtocol
+    private let userIndicatorController: UserIndicatorControllerProtocol
+    
+    private var actionsSubject: PassthroughSubject<UserProfileScreenViewModelAction, Never> = .init()
+    var actionsPublisher: AnyPublisher<UserProfileScreenViewModelAction, Never> {
+        actionsSubject.eraseToAnyPublisher()
+    }
+    
+    init(userID: String,
+         clientProxy: ClientProxyProtocol,
+         mediaProvider: MediaProviderProtocol,
+         userIndicatorController: UserIndicatorControllerProtocol) {
+        self.clientProxy = clientProxy
+        self.mediaProvider = mediaProvider
+        self.userIndicatorController = userIndicatorController
+        
+        let initialViewState = UserProfileScreenViewState(userID: userID,
+                                                          isOwnUser: userID == clientProxy.userID,
+                                                          bindings: .init())
+        
+        super.init(initialViewState: initialViewState, imageProvider: mediaProvider)
+        
+        showMemberLoadingIndicator()
+        Task {
+            defer {
+                hideMemberLoadingIndicator()
+            }
+            
+            switch await clientProxy.profile(for: userID) {
+            case .success(let userProfile):
+                state.userProfile = userProfile
+                state.permalink = (try? matrixToUserPermalink(userId: userID)).flatMap(URL.init(string:))
+            case .failure(let error):
+                state.bindings.alertInfo = .init(id: .unknown)
+                MXLog.error("Failed to find user profile: \(error)")
+            }
+        }
+    }
+    
+    // MARK: - Public
+    
+    func stop() {
+        // Work around QLPreviewController dismissal issues, see the InteractiveQuickLookModifier.
+        state.bindings.mediaPreviewItem = nil
+        
+        hideMemberLoadingIndicator()
+    }
+    
+    override func process(viewAction: UserProfileScreenViewAction) {
+        switch viewAction {
+        case .displayAvatar:
+            displayFullScreenAvatar()
+        case .openDirectChat:
+            guard let userProfile = state.userProfile else { fatalError() }
+            actionsSubject.send(.openDirectChat(displayName: userProfile.displayName))
+        }
+    }
+
+    // MARK: - Private
+    
+    private func displayFullScreenAvatar() {
+        guard let userProfile = state.userProfile else { fatalError() }
+        guard let avatarURL = userProfile.avatarURL else { return }
+        
+        let loadingIndicatorIdentifier = "roomMemberAvatarLoadingIndicator"
+        userIndicatorController.submitIndicator(UserIndicator(id: loadingIndicatorIdentifier, type: .modal, title: L10n.commonLoading, persistent: true))
+        
+        Task {
+            defer {
+                userIndicatorController.retractIndicatorWithId(loadingIndicatorIdentifier)
+            }
+            
+            // We don't actually know the mime type here, assume it's an image.
+            if case let .success(file) = await mediaProvider.loadFileFromSource(.init(url: avatarURL, mimeType: "image/jpeg")) {
+                state.bindings.mediaPreviewItem = MediaPreviewItem(file: file, title: userProfile.displayName)
+            }
+        }
+    }
+    
+    // MARK: Loading indicator
+    
+    private static let loadingIndicatorIdentifier = "\(UserProfileScreenViewModel.self)-Loading"
+    
+    private func showMemberLoadingIndicator() {
+        userIndicatorController.submitIndicator(UserIndicator(id: Self.loadingIndicatorIdentifier,
+                                                              type: .modal(progress: .indeterminate, interactiveDismissDisabled: false, allowsInteraction: true),
+                                                              title: L10n.commonLoading,
+                                                              persistent: true),
+                                                delay: .milliseconds(100))
+    }
+    
+    private func hideMemberLoadingIndicator() {
+        userIndicatorController.retractIndicatorWithId(Self.loadingIndicatorIdentifier)
+    }
+}

ElementX/Sources/Screens/UserProfileScreen/UserProfileScreenViewModelProtocol.swift

@@ -0,0 +1,25 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Combine
+
+@MainActor
+protocol UserProfileScreenViewModelProtocol {
+    var actionsPublisher: AnyPublisher<UserProfileScreenViewModelAction, Never> { get }
+    var context: UserProfileScreenViewModelType.Context { get }
+    
+    func stop()
+}

ElementX/Sources/Screens/UserProfileScreen/View/UserProfileScreen.swift

@@ -0,0 +1,99 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Compound
+import SwiftUI
+
+struct UserProfileScreen: View {
+    @ObservedObject var context: UserProfileScreenViewModel.Context
+    
+    var body: some View {
+        Form {
+            headerSection
+            
+            if context.viewState.userProfile != nil, !context.viewState.isOwnUser {
+                directChatSection
+            }
+        }
+        .compoundList()
+        .navigationTitle(L10n.screenRoomMemberDetailsTitle)
+        .alert(item: $context.alertInfo)
+        .track(screen: .User)
+        .interactiveQuickLook(item: $context.mediaPreviewItem, shouldHideControls: true)
+    }
+    
+    // MARK: - Private
+    
+    @ViewBuilder
+    private var headerSection: some View {
+        if let userProfile = context.viewState.userProfile {
+            AvatarHeaderView(user: userProfile,
+                             avatarSize: .user(on: .memberDetails),
+                             imageProvider: context.imageProvider) {
+                context.send(viewAction: .displayAvatar)
+            } footer: {
+                if let permalink = context.viewState.permalink {
+                    HStack(spacing: 32) {
+                        ShareLink(item: permalink) {
+                            CompoundIcon(\.shareIos)
+                        }
+                        .buttonStyle(FormActionButtonStyle(title: L10n.actionShare))
+                    }
+                    .padding(.top, 32)
+                }
+            }
+        } else {
+            AvatarHeaderView(user: UserProfileProxy(userID: context.viewState.userID),
+                             avatarSize: .user(on: .memberDetails),
+                             imageProvider: context.imageProvider,
+                             footer: { })
+        }
+    }
+    
+    private var directChatSection: some View {
+        Section {
+            ListRow(label: .default(title: L10n.commonDirectChat,
+                                    icon: \.chat),
+                    kind: .button {
+                        context.send(viewAction: .openDirectChat)
+                    })
+                    .accessibilityIdentifier(A11yIdentifiers.roomMemberDetailsScreen.directChat)
+        }
+    }
+}
+
+// MARK: - Previews
+
+struct UserProfileScreen_Previews: PreviewProvider, TestablePreview {
+    static let otherUserViewModel = makeViewModel(userID: RoomMemberProxyMock.mockDan.userID)
+    static let accountOwnerViewModel = makeViewModel(userID: RoomMemberProxyMock.mockMe.userID)
+    
+    static var previews: some View {
+        UserProfileScreen(context: otherUserViewModel.context)
+            .previewDisplayName("Other User")
+            .snapshot(delay: 0.25)
+        UserProfileScreen(context: accountOwnerViewModel.context)
+            .previewDisplayName("Account Owner")
+            .snapshot(delay: 0.25)
+    }
+    
+    static func makeViewModel(userID: String) -> UserProfileScreenViewModel {
+        UserProfileScreenViewModel(userID: userID,
+                                   clientProxy: ClientProxyMock(.init()),
+                                   mediaProvider: MockMediaProvider(),
+                                   userIndicatorController: ServiceLocator.shared.userIndicatorController)
+    }
+}

ElementX/Sources/Services/Room/RoomMember/RoomMemberDetails.swift

@@ -48,18 +48,6 @@ extension RoomMemberDetails {
         isBanned = proxy.membership == .ban
         role = .init(proxy.role)
     }
-    
-    init(loading id: String) {
-        self.id = id
-        name = nil
-        avatarURL = nil
-        permalink = nil
-        
-        isInvited = false
-        isIgnored = false
-        isBanned = false
-        role = .user
-    }
 }
 
 extension RoomMemberDetails.Role {

changelog.d/2634.change

@@ -0,0 +1 @@
+Add a UserProfileScreen to handle permalinks for users that aren't in the current room.