Creates a BubbleReactionsViewModelBuilder.

2026-04-19 16:13:42 +02:00 · 2020-07-31 18:27:03 +02:00
parent b6d6fefb54
commit fb6e777502
2 changed files with 69 additions and 0 deletions
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+/*
+Copyright 2020 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
+
+@objcMembers
+final class BubbleReactionsViewModelBuilder: NSObject {
+    
+    func buildForFirstVisibleComponent(of roomBubbleCellData: RoomBubbleCellData) -> BubbleReactionsViewModel? {
+        
+        guard roomBubbleCellData.firstVisibleComponentIndex() != NSNotFound else {
+            return nil
+        }
+        
+        return self.build(from: roomBubbleCellData, componentIndex: roomBubbleCellData.firstVisibleComponentIndex())
+    }
+    
+    func build(from roomBubbleCellData: RoomBubbleCellData, componentIndex: Int) -> BubbleReactionsViewModel? {
+        
+        let isCollapsableCellCollapsed = roomBubbleCellData.collapsable && roomBubbleCellData.collapsed
+        
+        guard isCollapsableCellCollapsed == false else {
+            return nil
+        }
+        
+        guard let bubbleComponents = roomBubbleCellData.bubbleComponents, componentIndex < roomBubbleCellData.bubbleComponents.count else {
+            return nil
+        }
+        
+        let bubbleComponent: MXKRoomBubbleComponent = bubbleComponents[componentIndex]
+        
+        guard let bubbleComponentEvent = bubbleComponent.event,
+            bubbleComponentEvent.isRedactedEvent() == false,
+            let componentEventId = bubbleComponentEvent.eventId,
+            let cellDataReactions = roomBubbleCellData.reactions,
+            let componentReactions = cellDataReactions[componentEventId] as? MXAggregatedReactions,
+            let aggregatedReactions = componentReactions.withNonZeroCount() else {
+                return nil
+        }
+        
+        let showAllReactions = roomBubbleCellData.showAllReactions(forEvent: componentEventId)
+        return BubbleReactionsViewModel(aggregatedReactions: aggregatedReactions,
+                                        eventId: componentEventId,
+                                        showAll: showAllReactions)
+    }
+}