no message

TelegramUI/StringForMessageTimestampStatus.swift

@@ -0,0 +1,29 @@
+import Foundation
+import Postbox
+import TelegramCore
+
+func stringForMessageTimestampStatus(message: Message, timeFormat: PresentationTimeFormat, strings: PresentationStrings) -> String {
+    var dateText = stringForMessageTimestamp(timestamp: message.timestamp, timeFormat: timeFormat)
+    
+    var authorTitle: String?
+    if let author = message.author as? TelegramUser {
+        if let peer = message.peers[message.id.peerId] as? TelegramChannel, case .broadcast = peer.info {
+            authorTitle = author.displayTitle
+        }
+    } else {
+        if let peer = message.peers[message.id.peerId] as? TelegramChannel, case .broadcast = peer.info {
+            for attribute in message.attributes {
+                if let attribute = attribute as? AuthorSignatureMessageAttribute {
+                    authorTitle = attribute.signature
+                    break
+                }
+            }
+        }
+    }
+    
+    if let authorTitle = authorTitle, !authorTitle.isEmpty {
+        dateText = "\(authorTitle), \(dateText)"
+    }
+    
+    return dateText
+}