Deprecation of enum CoreStore, reorganize global symbols

Sources/Internals.CoreStoreFetchedResultsController.swift

@@ -0,0 +1,104 @@
+//
+//  CoreStoreFetchedResultsController.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  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:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  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.
+//
+
+import Foundation
+import CoreData
+
+
+// MARK: - Internals
+
+extension Internals {
+    
+    // MARK: - CoreStoreFetchedResultsController
+    
+    @available(macOS 10.12, *)
+    internal final class CoreStoreFetchedResultsController: NSFetchedResultsController<NSManagedObject> {
+        
+        // MARK: Internal
+        
+        @nonobjc
+        internal let typedFetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>
+        
+        @nonobjc
+        internal convenience init<D>(dataStack: DataStack, fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>, from: From<D>, sectionBy: SectionBy<D>? = nil, applyFetchClauses: @escaping (_ fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>) -> Void) {
+            
+            self.init(
+                context: dataStack.mainContext,
+                fetchRequest: fetchRequest,
+                from: from,
+                sectionBy: sectionBy,
+                applyFetchClauses: applyFetchClauses
+            )
+        }
+        
+        @nonobjc
+        internal init<D>(context: NSManagedObjectContext, fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>, from: From<D>, sectionBy: SectionBy<D>? = nil, applyFetchClauses: @escaping (_ fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>) -> Void) {
+            
+            _ = try? from.applyToFetchRequest(
+                fetchRequest,
+                context: context,
+                applyAffectedStores: false
+            )
+            applyFetchClauses(fetchRequest)
+            
+            self.typedFetchRequest = fetchRequest
+            self.reapplyAffectedStores = { fetchRequest, context in
+                
+                try from.applyAffectedStoresForFetchedRequest(fetchRequest, context: context)
+            }
+            
+            super.init(
+                fetchRequest: fetchRequest.staticCast(),
+                managedObjectContext: context,
+                sectionNameKeyPath: sectionBy?.sectionKeyPath,
+                cacheName: nil
+            )
+        }
+        
+        @nonobjc
+        internal func performFetchFromSpecifiedStores() throws {
+            
+            try self.reapplyAffectedStores(self.typedFetchRequest, self.managedObjectContext)
+            try self.performFetch()
+        }
+        
+        @nonobjc
+        internal func dynamicCast<U>() -> NSFetchedResultsController<U> {
+            
+            return unsafeBitCast(self, to: NSFetchedResultsController<U>.self)
+        }
+        
+        deinit {
+            
+            self.delegate = nil
+        }
+        
+        
+        // MARK: Private
+        
+        @nonobjc
+        private let reapplyAffectedStores: (_ fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>, _ context: NSManagedObjectContext) throws -> Void
+    }
+}