Convert CoreDataStack to Swift

Sources/WordPressData/Swift/CoreDataStack.swift

@@ -0,0 +1,23 @@
+import CoreData
+
+@objc public protocol CoreDataStack {
+
+    var mainContext: NSManagedObjectContext { get }
+
+    @available(*, deprecated, message: "Use `performAndSave` instead")
+    func newDerivedContext() -> NSManagedObjectContext
+
+    func saveContextAndWait(_ context: NSManagedObjectContext)
+
+    @objc(saveContext:)
+    func save(_ context: NSManagedObjectContext)
+
+    @objc(saveContext:withCompletionBlock:onQueue:)
+    func save(_ context: NSManagedObjectContext, completion: (() -> Void)?, on queue: DispatchQueue)
+
+    @objc(performAndSaveUsingBlock:)
+    func performAndSave(_ block: @escaping (NSManagedObjectContext) -> Void)
+
+    @objc(performAndSaveUsingBlock:completion:onQueue:)
+    func performAndSave(_ block: @escaping (NSManagedObjectContext) -> Void, completion: (() -> Void)?, on queue: DispatchQueue)
+}

Sources/WordPressData/WordPressData.h

@@ -9,7 +9,6 @@ FOUNDATION_EXPORT const unsigned char WordPressDataVersionString[];
 // Note: Some of these might not need to be public, but it was simpler to extract to WordPressData by making everything public.
 // As we'll hopefully soon rewrite these in Swift, we can implement proper access level then.
 #import <WordPressData/Blog.h>
-#import <WordPressData/CoreDataStack.h>
 #import <WordPressData/PostHelper.h>
 
 FOUNDATION_EXTERN void SetCocoaLumberjackObjCLogLevel(NSUInteger ddLogLevelRawValue);

WordPress/WordPress.xcodeproj/project.pbxproj

@@ -1168,7 +1168,6 @@
 			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
 			publicHeaders = (
 				"Objective-C/include/Blog.h",
-				"Objective-C/include/CoreDataStack.h",
 				"Objective-C/include/PostHelper.h",
 				WordPressData.h,
 			);