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TelegramUI/ChatHistoryEntriesForView.swift

@@ -0,0 +1,35 @@
+import Foundation
+import Postbox
+
+func chatHistoryEntriesForView(_ view: MessageHistoryView, includeUnreadEntry: Bool) -> [ChatHistoryEntry] {
+    var entries: [ChatHistoryEntry] = []
+    
+    for entry in view.entries {
+        switch entry {
+            case let .HoleEntry(hole, _):
+                entries.append(.HoleEntry(hole))
+            case let .MessageEntry(message, read, _):
+                entries.append(.MessageEntry(message, read))
+        }
+    }
+    
+    if let maxReadIndex = view.maxReadIndex, includeUnreadEntry {
+        var inserted = false
+        var i = 0
+        let unreadEntry: ChatHistoryEntry = .UnreadEntry(maxReadIndex)
+        for entry in entries {
+            if entry > unreadEntry {
+                entries.insert(unreadEntry, at: i)
+                inserted = true
+                
+                break
+            }
+            i += 1
+        }
+        if !inserted {
+            //entries.append(.UnreadEntry(maxReadIndex))
+        }
+    }
+    
+    return entries
+}