Project Setup

iOSTask/Pods/ObjectMapper/Sources/DictionaryTransform.swift

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+//
+//  DictionaryTransform.swift
+//  ObjectMapper
+//
+//  Created by Milen Halachev on 7/20/16.
+//
+//  Copyright (c) 2014-2018 Tristan Himmelman
+//
+//  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
+
+///Transforms [String: AnyObject] <-> [Key: Value] where Key is RawRepresentable as String, Value is Mappable
+public struct DictionaryTransform<Key, Value>: TransformType where Key: Hashable, Key: RawRepresentable, Key.RawValue == String, Value: Mappable {
+	
+	public init() {
+		
+	}
+	
+	public func transformFromJSON(_ value: Any?) -> [Key: Value]? {
+		
+		guard let json = value as? [String: Any] else {
+			
+			return nil
+		}
+		
+		let result = json.reduce([:]) { (result, element) -> [Key: Value] in
+			
+			guard
+			let key = Key(rawValue: element.0),
+			let valueJSON = element.1 as? [String: Any],
+			let value = Value(JSON: valueJSON)
+			else {
+				
+				return result
+			}
+			
+			var result = result
+			result[key] = value
+			return result
+		}
+		
+		return result
+	}
+	
+	public func transformToJSON(_ value: [Key: Value]?) -> Any? {
+		
+		let result = value?.reduce([:]) { (result, element) -> [String: Any] in
+			
+			let key = element.0.rawValue
+			let value = element.1.toJSON()
+			
+			var result = result
+			result[key] = value
+			return result
+		}
+		
+		return result
+	}
+}