surajm
/
Hinduja-LMS


			
				
					
						
						
							12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697
							//
//  PdfReaderViewController.swift
//  LMS
//
//  Created by Suraj Kumar Mandal on 24/08/22.
//

import UIKit
import WebKit
import Toast_Swift

class PdfReaderViewController: UIViewController {
    
    @IBOutlet var navigationBar: UINavigationBar!
    @IBOutlet var webView: WKWebView!
    
    var viewModel = PdfReaderViewModel()
    var id = String()
    var docType = String()
    var name = String()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
        navigationBar.topItem?.title = name
        viewModel.delegate = self
        getPDF()
    }
    
    func getPDF() {
        if Reachability.isConnectedToNetwork() {
            viewModel.getPdfData(fileId: id)
        } else {
            Alert.showInternetFailureAlert(on: self)
        }
    }
    
    func loadWebView(data:String) {
        if let decodeData = Data(base64Encoded: data, options: .ignoreUnknownCharacters) {
            if docType == "pdf" {
                webView.load(decodeData, mimeType: "application/pdf", characterEncodingName: "utf-8", baseURL: URL(fileURLWithPath: ""))
            } else if docType == "docx" {
                let urlStr = "data:application/vnd.openxmlformats-officedocument.wordprocessingml.document;base64," + decodeData.base64EncodedString()
                let url = URL(string: urlStr)!
                let request = URLRequest(url: url)
                self.webView.load(request)
            } else if docType == "scorm" {
                let url = URL (string: "http://3.7.239.194/\(id)")
                let requestObj = URLRequest(url: url!)
                self.webView.load(requestObj)
            } else if docType == "jpeg" {
                let docData = Data(base64Encoded: data, options: .ignoreUnknownCharacters)
                let jpeg = UIImage(data: docData!)
                let imageData = jpeg?.jpegData(compressionQuality: 1.0)
                let base64EncodedImage = imageData?.base64EncodedString()
                let htmlString = "<html><head><style>img{width:100%; height:100%;}</style></head><body><img src='data:image/jpeg;base64,\(base64EncodedImage!)' /></body></html>"
                //"<html><body><img src='data:image/jpeg;base64,\(base64EncodedImage!)' /></body></html>"
                webView.loadHTMLString(htmlString, baseURL: nil)
            }
        }
    }
    
    
    /*
     // MARK: - Navigation
     
     // In a storyboard-based application, you will often want to do a little preparation before navigation
     override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
     // Get the new view controller using segue.destination.
     // Pass the selected object to the new view controller.
     }
     */
    
    @IBAction func backAction(_ sender: UIBarButtonItem) {
        self.navigationController?.popViewController(animated: true)
    }
    
}

extension PdfReaderViewController: PdfReaderProtocol {
    func startLoader() {
        ActivityIndicator.start()
    }
    
    func stopLoader() {
        ActivityIndicator.stop()
    }
    
    func showError(error: String) {
        self.view.makeToast(error)
    }
    
    func pdfBase64(base64: String) {
        self.loadWebView(data: base64)
    }
}