Handle empty poll list case

RiotSwiftUI/Modules/Room/PollHistory/MockPollHistoryScreenState.swift

@@ -25,6 +25,8 @@ enum MockPollHistoryScreenState: MockScreenState, CaseIterable {
     // mock that screen.
     case active
     case past
+    case activeEmpty
+    case pastEmpty
     
     /// The associated screen
     var screenType: Any.Type {
@@ -34,15 +36,22 @@ enum MockPollHistoryScreenState: MockScreenState, CaseIterable {
     /// Generate the view struct for the screen state.
     var screenView: ([Any], AnyView) {
         let pollHistoryMode: PollHistoryMode
+        let pollService = MockPollHistoryService()
         
         switch self {
         case .active:
             pollHistoryMode = .active
         case .past:
             pollHistoryMode = .past
+        case .activeEmpty:
+            pollHistoryMode = .active
+            pollService.pollListData = []
+        case .pastEmpty:
+            pollHistoryMode = .past
+            pollService.pollListData = []
         }
         
-        let viewModel = PollHistoryViewModel(mode: pollHistoryMode, pollService: MockPollHistoryService())
+        let viewModel = PollHistoryViewModel(mode: pollHistoryMode, pollService: pollService)
         
         // can simulate service and viewModel actions here if needs be.
         

RiotSwiftUI/Modules/Room/PollHistory/Service/Mock/MockPollHistoryService.swift

@@ -15,13 +15,15 @@
 //
 
 final class MockPollHistoryService: PollHistoryServiceProtocol {
+    var pollListData: [PollListData] = (1..<10)
+        .map { index in
+            PollListData(startDate: .init().addingTimeInterval(-CGFloat(index) * 3600), question: "Do you like the poll number \(index)?")
+        }
+        .sorted { poll1, poll2 in
+            poll1.startDate > poll2.startDate
+        }
+    
     func fetchHistory() async throws -> [PollListData] {
-        (1..<10)
-            .map { index in
-                PollListData(startDate: .init().addingTimeInterval(-CGFloat(index) * 3600), question: "Do you like the poll number \(index)?")
-            }
-            .sorted { poll1, poll2 in
-                poll1.startDate > poll2.startDate
-            }
+        pollListData
     }
 }

RiotSwiftUI/Modules/Room/PollHistory/View/PollHistory.swift

@@ -37,24 +37,10 @@ struct PollHistory: View {
             }
             .padding(.horizontal, 16)
             
-            ScrollView {
-                LazyVStack(spacing: 32) {
-                    let enumeratedPolls = Array(viewModel.viewState.polls.enumerated())
-                    
-                    ForEach(enumeratedPolls, id: \.offset) { _, pollData in
-                        PollListItem(pollData: pollData)
-                    }
-                    .frame(maxWidth: .infinity, alignment: .leading)
-                    
-                    Button {
-                        #warning("handle action")
-                    } label: {
-                        Text("Load more polls")
-                    }
-                    .frame(maxWidth: .infinity, alignment: .leading)
-                }
-                .padding(.horizontal, 16)
-                .padding(.top, 32)
+            if viewModel.viewState.polls.isEmpty {
+                noPollsView
+            } else {
+                pollListView
             }
         }
         .padding(.top, 32)
@@ -66,6 +52,36 @@ struct PollHistory: View {
             viewModel.send(viewAction: .viewAppeared)
         }
     }
+    
+    private var pollListView: some View {
+        ScrollView {
+            LazyVStack(spacing: 32) {
+                let enumeratedPolls = Array(viewModel.viewState.polls.enumerated())
+                
+                ForEach(enumeratedPolls, id: \.offset) { _, pollData in
+                    PollListItem(pollData: pollData)
+                }
+                .frame(maxWidth: .infinity, alignment: .leading)
+                
+                Button {
+                    #warning("handle action")
+                } label: {
+                    Text("Load more polls")
+                }
+                .frame(maxWidth: .infinity, alignment: .leading)
+            }
+            .padding(.top, 32)
+            .padding(.horizontal, 16)
+        }
+    }
+    
+    private var noPollsView: some View {
+        Text(viewModel.mode == .active ? VectorL10n.pollHistoryNoActivePollText : VectorL10n.pollHistoryNoPastPollText)
+            .font(theme.fonts.body)
+            .foregroundColor(theme.colors.secondaryContent)
+            .frame(maxHeight: .infinity)
+            .padding(.horizontal, 16)
+    }
 }
 
 private extension PollHistoryMode {