Extensions.swift

//
// Extensions.swift
//
// Copyright © 2017 Peter Zignego. All rights reserved.
//
// 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

public extension Date {
    var slackTimestamp: Double {
        return NSNumber(value: timeIntervalSince1970).doubleValue
    }
}

public extension UInt64 {
    static var nanosecondsPerSecond: UInt64 {
        #if os(Linux)
            return UInt64(CLOCKS_PER_SEC)
        #else
            return NSEC_PER_SEC
        #endif
    }
}

public extension Dictionary where Key == String, Value == Any {
    subscript(codingKey: CodingKey) -> Any? {
        get {
            return self[codingKey.stringValue]
        }
    
        set {
            self[codingKey.stringValue] = newValue
        }
    }
}

public func filterNilParameters(_ parameters: [String: Any?]) -> [String: Any] {
    var finalParameters = [String: Any]()
    for (key, value) in parameters {
        if let unwrapped = value {
            finalParameters[key] = unwrapped
        }
    }
    return finalParameters
}