Merge pull request #868 from Iterable/feature/recursive-lock-for-dictionary-wrapper

[MOB-10319] Recursive lock for dictionary wrapper for safety reasons

Author: sumeruchat

swift-sdk/Internal/InAppManager+Functions.swift

@@ -123,7 +123,7 @@ struct MessagesObtainedHandler {
         let addedInboxCount = addedMessages.reduce(0) { $1.saveToInbox ? $0 + 1 : $0 }
 
         var messagesOverwritten = 0
-        var newMessagesMap = ThreadSafeOrderedDictionary<String, IterableInAppMessage>()
+        let newMessagesMap = ThreadSafeOrderedDictionary<String, IterableInAppMessage>()
         messages.forEach { serverMessage in
             let messageId = serverMessage.messageId
             if let existingMessage = messagesMap[messageId] {

swift-sdk/Internal/ThreadSafeOrderedDictionary.swift

@@ -10,7 +10,7 @@ import Foundation
 
 public final class ThreadSafeOrderedDictionary<K: Hashable, V> {
     private var orderedDictionary = OrderedDictionary<K, V>()
-    private let lock = NSLock()
+    private let lock = NSRecursiveLock()
 
     public var keys: [K] {
         lock.withLock {