Fixes #4222 - Hide timeline item actions that the user's power level does not allow

ElementX/Sources/Screens/FilePreviewScreen/TimelineMediaPreviewViewModel.swift

@@ -140,6 +140,7 @@ class TimelineMediaPreviewViewModel: TimelineMediaPreviewViewModelType {
         state.currentItemActions = switch state.currentItem {
         case .media(let mediaItem):
             TimelineItemMenuActionProvider(timelineItem: mediaItem.timelineItem,
+                                           canCurrentUserSendMessage: timelineContext.viewState.canCurrentUserSendMessage,
                                            canCurrentUserRedactSelf: timelineContext.viewState.canCurrentUserRedactSelf,
                                            canCurrentUserRedactOthers: timelineContext.viewState.canCurrentUserRedactOthers,
                                            canCurrentUserPin: timelineContext.viewState.canCurrentUserPin,

ElementX/Sources/Screens/Timeline/TimelineModels.swift

@@ -101,6 +101,7 @@ struct TimelineViewState: BindableState {
     var timelineState: TimelineState // check the doc before changing this
 
     var ownUserID: String
+    var canCurrentUserSendMessage = false
     var canCurrentUserRedactOthers = false
     var canCurrentUserRedactSelf = false
     var canCurrentUserPin = false

ElementX/Sources/Screens/Timeline/TimelineViewModel.swift

@@ -404,6 +404,12 @@ class TimelineViewModel: TimelineViewModelType, TimelineViewModelProtocol {
     }
     
     private func updatePermissions() async {
+        if case let .success(value) = await roomProxy.canUser(userID: roomProxy.ownUserID, sendMessage: .roomMessage) {
+            state.canCurrentUserSendMessage = value
+        } else {
+            state.canCurrentUserSendMessage = false
+        }
+        
         if case let .success(value) = await roomProxy.canUserRedactOther(userID: roomProxy.ownUserID) {
             state.canCurrentUserRedactOthers = value
         } else {

ElementX/Sources/Screens/Timeline/View/ItemMenu/TimelineItemMenu.swift

@@ -342,6 +342,7 @@ struct TimelineItemMenu_Previews: PreviewProvider, TestablePreview {
                             deliveryStatus: TimelineItemDeliveryStatus? = nil) -> (EventBasedTimelineItemProtocol, TimelineItemMenuActions)! {
         guard var item = makeItem(itemType: itemType) else { return nil }
         let provider = TimelineItemMenuActionProvider(timelineItem: item,
+                                                      canCurrentUserSendMessage: true,
                                                       canCurrentUserRedactSelf: true,
                                                       canCurrentUserRedactOthers: false,
                                                       canCurrentUserPin: true,

ElementX/Sources/Screens/Timeline/View/ItemMenu/TimelineItemMenuActionProvider.swift

@@ -10,6 +10,7 @@ import Foundation
 @MainActor
 struct TimelineItemMenuActionProvider {
     let timelineItem: RoomTimelineItemProtocol
+    let canCurrentUserSendMessage: Bool
     let canCurrentUserRedactSelf: Bool
     let canCurrentUserRedactOthers: Bool
     let canCurrentUserPin: Bool
@@ -47,7 +48,7 @@ struct TimelineItemMenuActionProvider {
             actions.append(.endPoll(pollStartID: eventID))
         }
 
-        if item.canBeRepliedTo {
+        if item.canBeRepliedTo, canCurrentUserSendMessage {
             if let messageItem = item as? EventBasedMessageTimelineItemProtocol {
                 actions.append(.reply(isThread: messageItem.properties.isThreaded))
             } else {
@@ -63,7 +64,7 @@ struct TimelineItemMenuActionProvider {
             actions.append(.forward(itemID: item.id))
         }
         
-        if item.isEditable {
+        if item.isEditable, canCurrentUserSendMessage {
             if item.supportsMediaCaption {
                 if item.hasMediaCaption {
                     actions.append(.editCaption)

ElementX/Sources/Screens/Timeline/View/Style/TimelineItemBubbledStylerView.swift

@@ -150,6 +150,7 @@ struct TimelineItemBubbledStylerView<Content: View>: View {
             }
             .contextMenu {
                 let provider = TimelineItemMenuActionProvider(timelineItem: timelineItem,
+                                                              canCurrentUserSendMessage: context.viewState.canCurrentUserSendMessage,
                                                               canCurrentUserRedactSelf: context.viewState.canCurrentUserRedactSelf,
                                                               canCurrentUserRedactOthers: context.viewState.canCurrentUserRedactOthers,
                                                               canCurrentUserPin: context.viewState.canCurrentUserPin,

ElementX/Sources/Screens/Timeline/View/TimelineView.swift

@@ -27,6 +27,7 @@ struct TimelineView: View {
             .sheet(item: $timelineContext.debugInfo) { TimelineItemDebugView(info: $0) }
             .sheet(item: $timelineContext.actionMenuInfo) { info in
                 let actions = TimelineItemMenuActionProvider(timelineItem: info.item,
+                                                             canCurrentUserSendMessage: timelineContext.viewState.canCurrentUserSendMessage,
                                                              canCurrentUserRedactSelf: timelineContext.viewState.canCurrentUserRedactSelf,
                                                              canCurrentUserRedactOthers: timelineContext.viewState.canCurrentUserRedactOthers,
                                                              canCurrentUserPin: timelineContext.viewState.canCurrentUserPin,