Polls history (#2244)

ElementX/Sources/Screens/RoomPollsHistoryScreen/RoomPollsHistoryScreenModels.swift

@@ -0,0 +1,81 @@
+//
+// 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 RoomPollsHistoryScreenViewModelAction {
+    case editPoll(pollStartID: String, poll: Poll)
+}
+
+struct RoomPollsHistoryScreenViewState: BindableState {
+    let title: String
+    let filters: [RoomPollsHistoryFilter] = [.ongoing, .past]
+    var pollTimelineItems: [RoomPollsHistoryPollDetails] = []
+    var canBackPaginate = false
+    var isBackPaginating = false
+    var bindings: RoomPollsHistoryScreenViewStateBindings
+    
+    var emptyStateMessage: String {
+        switch bindings.filter {
+        case .ongoing:
+            L10n.screenPollsHistoryEmptyOngoing
+        case .past:
+            L10n.screenPollsHistoryEmptyPast
+        }
+    }
+}
+
+struct RoomPollsHistoryScreenViewStateBindings {
+    /// Polls list filter
+    var filter: RoomPollsHistoryFilter
+
+    /// Information describing the currently displayed alert.
+    var alertInfo: AlertInfo<RoomPollsHistoryScreenErrorType>?
+}
+
+enum RoomPollsHistoryScreenViewAction {
+    case filter(RoomPollsHistoryFilter)
+    case end(pollStartID: String)
+    case edit(pollStartID: String, poll: Poll)
+    case sendPollResponse(pollStartID: String, optionID: String)
+    case loadMore
+}
+
+enum RoomPollsHistoryFilter: Equatable {
+    case ongoing
+    case past
+}
+
+struct RoomPollsHistoryPollDetails {
+    let timestamp: Date
+    let item: PollRoomTimelineItem
+}
+
+extension RoomPollsHistoryFilter: CustomStringConvertible {
+    var description: String {
+        switch self {
+        case .ongoing:
+            L10n.screenPollsHistoryFilterOngoing
+        case .past:
+            L10n.screenPollsHistoryFilterPast
+        }
+    }
+}
+
+enum RoomPollsHistoryScreenErrorType: Hashable {
+    /// A specific error message shown in an alert.
+    case alert
+}