Project Setup

iOSTask/Pods/ObjectMapper/Sources/DateTransform.swift

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+//
+//  DateTransform.swift
+//  ObjectMapper
+//
+//  Created by Tristan Himmelman on 2014-10-13.
+//
+//  The MIT License (MIT)
+//
+//  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
+
+open class DateTransform: TransformType {
+	public typealias Object = Date
+	public typealias JSON = Double
+
+	public enum Unit: TimeInterval {
+		case seconds = 1
+		case milliseconds = 1_000
+		
+		func addScale(to interval: TimeInterval) -> TimeInterval {
+			return interval * rawValue
+		}
+		
+		func removeScale(from interval: TimeInterval) -> TimeInterval {
+			return interval / rawValue
+		}
+	}
+	
+	private let unit: Unit
+	
+	public init(unit: Unit = .seconds) {
+		self.unit = unit
+	}
+
+	open func transformFromJSON(_ value: Any?) -> Date? {
+		var timeInterval: TimeInterval?
+		if let timeInt = value as? Double {
+			timeInterval = TimeInterval(timeInt)
+		}
+		
+		if let timeStr = value as? String {
+			timeInterval = TimeInterval(atof(timeStr))
+		}
+		
+		return timeInterval.flatMap {
+			return Date(timeIntervalSince1970: unit.removeScale(from: $0))
+		}
+	}
+
+	open func transformToJSON(_ value: Date?) -> Double? {
+		if let date = value {
+			return Double(unit.addScale(to: date.timeIntervalSince1970))
+		}
+		return nil
+	}
+}