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Extensions/NSManagedObjectContext+ExecuteAndMergeChanges.swift

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+import CoreData
+
+extension NSManagedObjectContext {
+    /// Executes the given `NSBatchDeleteRequest` and directly merges the changes to bring the given managed object context up to date.
+    ///
+    /// - Parameter batchDeleteRequest: The `NSBatchDeleteRequest` to execute.
+    /// - Throws: An error if anything went wrong executing the batch deletion.
+    func executeAndMergeChanges(_ batchDeleteRequest: NSBatchDeleteRequest) throws {
+        batchDeleteRequest.resultType = .resultTypeObjectIDs
+        let result = try execute(batchDeleteRequest) as? NSBatchDeleteResult
+        let changes: [AnyHashable: Any] = [NSDeletedObjectsKey: result?.result as? [NSManagedObjectID] ?? []]
+        NSManagedObjectContext.mergeChanges(fromRemoteContextSave: changes, into: [self])
+    }
+}