Download PDF File using Alamofire - Swift - iOS Development

PDFDwonload.swift

import Foundation
import Alamofire

class APIService {
    static let shared = APIService()
    
    func downloadPDF (completion: @escaping(_ error: Error?) -> Void) {
        
        let destination: DownloadRequest.Destination = { _ , _ in
            
            let documentURLs = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
            
            let fileURL = documentURLs.appendingPathComponent("RandomFile\(Int.random(in: 1..<10000)).pdf")
            return (fileURL, [.removePreviousFile, .createIntermediateDirectories])
            
        }
        
        AF.download(URL(string: "http://www.africau.edu/images/default/sample.pdf")!, method: .get, to: destination).downloadProgress(closure: { (progress) in
            
        }).validate()
            .response {response in
                
                if response.error == nil {
                    debugPrint(response)
                    completion(nil)
                }
                else {
                    completion(response.error)
                }
            }
    }
    
}