Kingfisher+Unsplash.swift

//
//  UIImageView+Unsplash.swift
//  Created by David on 2019/12/9.
//

import UIKit.UIImageView
import Kingfisher

/// check api doc: https://source.unsplash.com/
fileprivate let randomUnsplashImageURL = "https://source.unsplash.com/random"

public extension UIImageView {

    func loadRandomUnsplashImage(width: Int, height: Int) {
        let url = URL(string: "\(randomUnsplashImageURL)/\(width)x\(height)")!
        loadImage(from: url)
    }

    func loadRandomUnsplashImage() {
        loadImage(from: URL(string: randomUnsplashImageURL)!)
    }

    fileprivate func loadImage(from url: URL) {
        ImageCache.default.removeImage(forKey: url.absoluteString)
        kf.setImage(with: url)
    }

}