OSReadYourWriteData Implementation

Motivation: encapsulating object to keep rywTokens & rywDelays together

Override equality

Author: Rodrigo Gomez Palacio

iOS_SDK/OneSignalSDK/OneSignalOSCore/Source/Consistency/OSReadYourWriteData.swift

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+/*
+ Modified MIT License
+
+ Copyright 2024 OneSignal
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ 1. The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ 2. All copies of substantial portions of the Software may only be used in connection
+ with services provided by OneSignal.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ */
+
+@objcMembers
+public class OSReadYourWriteData: NSObject {
+    public let rywToken: String?
+    public let rywDelay: NSNumber?
+
+    public init(rywToken: String?, rywDelay: NSNumber?) {
+        self.rywToken = rywToken
+        self.rywDelay = rywDelay
+    }
+
+    // Override `isEqual` for custom equality comparison.
+    override public func isEqual(_ object: Any?) -> Bool {
+        guard let other = object as? OSReadYourWriteData else {
+            return false
+        }
+
+        let tokensAreEqual = (self.rywToken == other.rywToken) || (self.rywToken == nil && other.rywToken == nil)
+        let delaysAreEqual = (self.rywDelay?.isEqual(to: other.rywDelay ?? 0) ?? false) || (self.rywDelay == nil && other.rywDelay == nil)
+
+        return tokensAreEqual && delaysAreEqual
+    }
+
+    // Override `hash` to maintain hashability.
+    // This is because two equal objects must have the same hash value.
+    // Since we are overriding isEqual we must also override `hash`
+    override public var hash: Int {
+        var hasher = Hasher()
+        hasher.combine(rywToken)
+        hasher.combine(rywDelay)
+        return hasher.finalize()
+    }
+}
+