Timeline decorations: Refactor reaction class names.

2026-04-20 00:24:43 +02:00 · 2022-02-28 15:52:29 +01:00
parent 7942a7b914
commit 7dfff11b5f
21 changed files with 159 additions and 165 deletions
@@ -0,0 +1,107 @@
+/*
+ Copyright 2019 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
+
+@objc final class RoomReactionsViewModel: NSObject, RoomReactionsViewModelType {
+
+    // MARK: - Constants
+
+    private enum Constants {
+        static let maxItemsWhenLimited: Int = 8
+    }
+
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    private let aggregatedReactions: MXAggregatedReactions
+    private let eventId: String
+    private let showAll: Bool
+    
+    // MARK: Public
+    
+    @objc weak var viewModelDelegate: RoomReactionsViewModelDelegate?
+    weak var viewDelegate: RoomReactionsViewModelViewDelegate?
+    
+    // MARK: - Setup
+    
+    @objc init(aggregatedReactions: MXAggregatedReactions,
+               eventId: String,
+               showAll: Bool) {
+        self.aggregatedReactions = aggregatedReactions
+        self.eventId = eventId
+        self.showAll = showAll
+    }
+    
+    // MARK: - Public
+    
+    func process(viewAction: RoomReactionsViewAction) {
+        switch viewAction {
+        case .loadData:
+            self.loadData()
+        case .tapReaction(let index):
+            guard index < self.aggregatedReactions.reactions.count else {
+                return
+            }
+            let reactionCount = self.aggregatedReactions.reactions[index]
+            if reactionCount.myUserHasReacted {
+                self.viewModelDelegate?.roomReactionsViewModel(self, didRemoveReaction: reactionCount, forEventId: self.eventId)
+            } else {
+                self.viewModelDelegate?.roomReactionsViewModel(self, didAddReaction: reactionCount, forEventId: self.eventId)
+            }
+        case .addNewReaction:
+            break
+        case .tapShowAction(.showAll):
+            self.viewModelDelegate?.roomReactionsViewModel(self, didShowAllTappedForEventId: self.eventId)
+        case .tapShowAction(.showLess):
+            self.viewModelDelegate?.roomReactionsViewModel(self, didShowLessTappedForEventId: self.eventId)
+        case .longPress:
+            self.viewModelDelegate?.roomReactionsViewModel(self, didLongPressForEventId: self.eventId)
+        }
+    }
+
+    func loadData() {
+        var reactions = self.aggregatedReactions.reactions
+        var showAllButtonState: RoomReactionsViewState.ShowAllButtonState = .none
+
+        // Limit displayed reactions if required
+        if reactions.count > Constants.maxItemsWhenLimited {
+            if self.showAll == true {
+                showAllButtonState = .showLess
+            } else {
+                reactions = Array(reactions[0..<Constants.maxItemsWhenLimited])
+                showAllButtonState = .showAll
+            }
+        }
+
+        let reactionsViewData = reactions.map { (reactionCount) -> RoomReactionViewData in
+            return RoomReactionViewData(emoji: reactionCount.reaction, countString: "\(reactionCount.count)", isCurrentUserReacted: reactionCount.myUserHasReacted)
+        }
+
+        self.viewDelegate?.roomReactionsViewModel(self, didUpdateViewState: .loaded(reactionsViewData: reactionsViewData, showAllButtonState: showAllButtonState))
+    }
+        
+    // MARK: - Hashable
+    
+    override var hash: Int {
+        var hasher = Hasher()
+        hasher.combine(self.aggregatedReactions)
+        hasher.combine(self.eventId)
+        hasher.combine(self.showAll)
+        return hasher.finalize()
+    }
+}