WIP: prototype for ManagedObjectProtocol

Sources/Setup/Dynamic Models/ManagedObject.swift

@@ -0,0 +1,68 @@
+//
+//  ManagedObject.swift
+//  CoreStore
+//
+//  Copyright © 2017 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 CoreData
+import Foundation
+
+
+// MARK: - ManagedObject
+
+open class ManagedObject: ManagedObjectProtocol {
+    
+    public required init(_ object: NSManagedObject) {
+        
+        self.isMeta = false
+        self.rawObject = object
+        self.initializeAttributes(Mirror(reflecting: self), { [unowned object] in object })
+    }
+    
+    public required init(asMeta: Void) {
+        
+        self.isMeta = true
+        self.rawObject = nil
+    }
+    
+    
+    // MARK: Internal
+    
+    internal let rawObject: NSManagedObject?
+    internal let isMeta: Bool
+    
+    
+    // MARK: Private
+    
+    private func initializeAttributes(_ mirror: Mirror, _ accessRawObject: @escaping () -> NSManagedObject) {
+        
+        _ = mirror.superclassMirror.flatMap({ self.initializeAttributes($0, accessRawObject) })
+        for child in mirror.children {
+            
+            guard case let property as AttributeProtocol = child.value else {
+                
+                continue
+            }
+            property.accessRawObject = accessRawObject
+        }
+    }
+}