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75 lines
2.2 KiB
75 lines
2.2 KiB
// |
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// DateTransform.swift |
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// ObjectMapper |
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// |
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// Created by Tristan Himmelman on 2014-10-13. |
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// |
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// The MIT License (MIT) |
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// |
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// Copyright (c) 2014-2018 Tristan Himmelman |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a copy |
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// of this software and associated documentation files (the "Software"), to deal |
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// in the Software without restriction, including without limitation the rights |
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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// copies of the Software, and to permit persons to whom the Software is |
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// furnished to do so, subject to the following conditions: |
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// |
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// The above copyright notice and this permission notice shall be included in |
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// all copies or substantial portions of the Software. |
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// |
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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// THE SOFTWARE. |
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import Foundation |
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open class DateTransform: TransformType { |
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public typealias Object = Date |
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public typealias JSON = Double |
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public enum Unit: TimeInterval { |
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case seconds = 1 |
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case milliseconds = 1_000 |
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func addScale(to interval: TimeInterval) -> TimeInterval { |
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return interval * rawValue |
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} |
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func removeScale(from interval: TimeInterval) -> TimeInterval { |
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return interval / rawValue |
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} |
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} |
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private let unit: Unit |
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public init(unit: Unit = .seconds) { |
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self.unit = unit |
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} |
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open func transformFromJSON(_ value: Any?) -> Date? { |
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var timeInterval: TimeInterval? |
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if let timeInt = value as? Double { |
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timeInterval = TimeInterval(timeInt) |
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} |
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if let timeStr = value as? String { |
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timeInterval = TimeInterval(atof(timeStr)) |
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} |
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return timeInterval.flatMap { |
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return Date(timeIntervalSince1970: unit.removeScale(from: $0)) |
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} |
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} |
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open func transformToJSON(_ value: Date?) -> Double? { |
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if let date = value { |
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return Double(unit.addScale(to: date.timeIntervalSince1970)) |
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} |
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return nil |
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} |
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}
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