Refactoring

submodules/TelegramCore/Sources/ApiUtils/ReactionsMessageAttribute.swift

@@ -0,0 +1,102 @@
+import Foundation
+import Postbox
+import TelegramApi
+
+import SyncCore
+
+/*extension ReactionsMessageAttribute {
+    func withUpdatedResults(_ reactions: Api.MessageReactions) -> ReactionsMessageAttribute {
+        switch reactions {
+        case let .messageReactions(flags, results):
+            let min = (flags & (1 << 0)) != 0
+            var reactions = results.map { result -> MessageReaction in
+                switch result {
+                case let .reactionCount(flags, reaction, count):
+                    return MessageReaction(value: reaction, count: count, isSelected: (flags & (1 << 0)) != 0)
+                }
+            }
+            if min {
+                var currentSelectedReaction: String?
+                for reaction in self.reactions {
+                    if reaction.isSelected {
+                        currentSelectedReaction = reaction.value
+                        break
+                    }
+                }
+                if let currentSelectedReaction = currentSelectedReaction {
+                    for i in 0 ..< reactions.count {
+                        if reactions[i].value == currentSelectedReaction {
+                            reactions[i].isSelected = true
+                        }
+                    }
+                }
+            }
+            return ReactionsMessageAttribute(reactions: reactions)
+        }
+    }
+}*/
+
+public func mergedMessageReactions(attributes: [MessageAttribute]) -> ReactionsMessageAttribute? {
+    var current: ReactionsMessageAttribute?
+    var pending: PendingReactionsMessageAttribute?
+    for attribute in attributes {
+        if let attribute = attribute as? ReactionsMessageAttribute {
+            current = attribute
+        } else if let attribute = attribute as? PendingReactionsMessageAttribute {
+            pending = attribute
+        }
+    }
+    
+    if let pending = pending {
+        var reactions = current?.reactions ?? []
+        if let value = pending.value {
+            var found = false
+            for i in 0 ..< reactions.count {
+                if reactions[i].value == value {
+                    found = true
+                    if !reactions[i].isSelected {
+                        reactions[i].isSelected = true
+                        reactions[i].count += 1
+                    }
+                }
+            }
+            if !found {
+                reactions.append(MessageReaction(value: value, count: 1, isSelected: true))
+            }
+        }
+        for i in (0 ..< reactions.count).reversed() {
+            if reactions[i].isSelected, pending.value != reactions[i].value {
+                if reactions[i].count == 1 {
+                    reactions.remove(at: i)
+                } else {
+                    reactions[i].isSelected = false
+                    reactions[i].count -= 1
+                }
+            }
+        }
+        if !reactions.isEmpty {
+            return ReactionsMessageAttribute(reactions: reactions)
+        } else {
+            return nil
+        }
+    } else if let current = current {
+        return current
+    } else {
+        return nil
+    }
+}
+
+/*extension ReactionsMessageAttribute {
+    convenience init(apiReactions: Api.MessageReactions) {
+        switch apiReactions {
+        case let .messageReactions(_, results):
+            self.init(reactions: results.map { result in
+                switch result {
+                case let .reactionCount(flags, reaction, count):
+                    return MessageReaction(value: reaction, count: count, isSelected: (flags & (1 << 0)) != 0)
+                }
+            })
+        }
+    }
+}
+*/