no message

TelegramUI/ChatInterfaceStateContextMenus.swift

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+import Foundation
+import Postbox
+import TelegramCore
+import Display
+import UIKit
+
+func contextMenuForChatPresentationIntefaceState(_ chatPresentationInterfaceState: ChatPresentationInterfaceState, account: Account, message: Message, interfaceInteraction: ChatPanelInterfaceInteraction?) -> ContextMenuController? {
+    guard let peer = chatPresentationInterfaceState.peer, let interfaceInteraction = interfaceInteraction else {
+        return nil
+    }
+    
+    var actions: [ContextMenuAction] = []
+    
+    var canReply = false
+    if let channel = peer as? TelegramChannel, case .broadcast = channel.info {
+        switch channel.role {
+            case .creator, .editor, .moderator:
+                canReply = true
+            case .member:
+                canReply = false
+        }
+    } else {
+        canReply = true
+    }
+    if canReply {
+        actions.append(ContextMenuAction(content: .text("Reply"), action: {
+            interfaceInteraction.setupReplyMessage(message.id)
+        }))
+    }
+    
+    actions.append(ContextMenuAction(content: .text("Copy"), action: {
+        if !message.text.isEmpty {
+            UIPasteboard.general.string = message.text
+        }
+    }))
+    
+    actions.append(ContextMenuAction(content: .text("More..."), action: {
+        interfaceInteraction.beginMessageSelection(message.id)
+    }))
+
+    
+    if !actions.isEmpty {
+        let contextMenuController = ContextMenuController(actions: actions)
+        return contextMenuController
+    } else {
+        return nil
+    }
+}