Merge pull request #667 from Iterable/MOB-6584-Additional-coredata-checks

[MOB - 6584] - Additional coredata checks

Author: Ayyanchira

swift-sdk/Internal/IterableCoreDataPersistence.swift

@@ -160,7 +160,13 @@ struct CoreDataPersistenceContext: IterablePersistenceContext {
 
     func deleteAllTasks() throws {
         let taskManagedObjects: [IterableTaskManagedObject] = try CoreDataUtil.findAll(context: managedObjectContext, entity: PersistenceConst.Entity.Task.name)
-        taskManagedObjects.forEach { managedObjectContext.delete($0) }
+        taskManagedObjects.forEach {
+            if !$0.isDeleted {
+                managedObjectContext.delete($0)
+            } else {
+                ITBDebug("task already deleted")
+            }
+        }
     }
 
     func countTasks() throws -> Int {

swift-sdk/Internal/IterableTaskScheduler.swift

@@ -54,7 +54,7 @@ class IterableTaskScheduler {
             do {
                 try persistenceContext.deleteAllTasks()
                 try persistenceContext.save()
-            } catch let error {
+            } catch {
                 ITBError("deleteAllTasks: \(error.localizedDescription)")
                 self?.healthMonitor.onDeleteAllTasksError()
             }