kmpdfkit_demo/ios/Classes/ConvertUtil.swift

//
//  ConvertUtil.swift
//  Runner
//
//
//  Copyright © 2014-2023 PDF Technologies, Inc. All Rights Reserved.
//
//  THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
//  AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
//  UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
//  This notice may not be removed from this file.
//

import Foundation
import ComPDFKit_Conversion

class ConvertUtil : NSObject,CPDFConverterDelegate{
     
    
    var pdfConvert : CPDFConverter?
    var mPath:String?
    var result: ((Int, Int, String?) -> Void)?
    
    func getConvertOptions(withArguments arguments: Any?) -> CPDFConvertOptions {
        
        let convertData = arguments as! [String: Any];
        let isContainImages = Bool((convertData[params_contain_images] as? String) ?? "true") ?? true
        let isContainAnnotation = Bool((convertData[params_contain_annotations] as? String) ?? "true") ?? true;
        let filePath = convertData[params_file_path] as! String;
        let fileName = (convertData[params_file_name] as? String) ?? "";
        let convertType = convertData[params_convert_type] as! String;
        let workSheetOptions = (convertData[params_worksheet_options] as? String) ?? "";
        let contentOptions = (convertData[params_content_options] as? String) ?? "";
        let imageDpi = (convertData[params_image_dpi] as? String) ?? "300";
        let imagePageOptions = (convertData[params_image_page_options] as? String) ?? "";
        let mergeCSV = Bool((convertData[params_merge_csv] as? String) ?? "false") ?? false;
        let htmlPageOptions = convertData[params_html_page_options];
        print("convertType:\(convertType)")
        print("isContainImages:\(isContainImages)")
        print("isContainAnnotations:\(isContainAnnotation)")
        
        switch convertType.uppercased() {
            case ConvertType.PPT.rawValue:
                let pptOptions = CPDFConvertPPTOptions()
                pptOptions.isContainImages = isContainImages
                pptOptions.isContainAnnotations = isContainAnnotation
                return pptOptions
            case ConvertType.WORD.rawValue:
            let wordOptions = CPDFConvertWordOptions()
            wordOptions.isContainImages = isContainImages
            wordOptions.isContainAnnotations = isContainAnnotation
            return wordOptions
            case ConvertType.EXCEL.rawValue:
            let excelOptions = CPDFConvertExcelOptions()
            excelOptions.isContainImages = isContainImages
            excelOptions.isContainAnnotations = isContainAnnotation
            
            switch workSheetOptions {
            case "ForEachTable":
                excelOptions.worksheetOptions = CPDFConvertExcelWorksheetOptions.forEachTable
            case "ForEachPage":
                excelOptions.worksheetOptions = CPDFConvertExcelWorksheetOptions.forEachPage
            default :
                excelOptions.worksheetOptions = CPDFConvertExcelWorksheetOptions.forTheDocument
            }
            
            switch contentOptions {
            case "OnlyText":
                excelOptions.contentOptions = CPDFConvertExcelContentOptions.onlyText
            case "OnlyTable":
                excelOptions.contentOptions = CPDFConvertExcelContentOptions.onlyTable
            default :
                excelOptions.contentOptions = CPDFConvertExcelContentOptions.allContent
            }
            return excelOptions
            
            case ConvertType.TXT.rawValue:
                return CPDFConvertTxtOptions()
            
            case ConvertType.IMAGE.rawValue:
                let imageOptions = CPDFConvertImgOptions()
        
            imageOptions.imageDpi = Int32(imageDpi) ?? 300
            imageOptions.isContainAnnotations = isContainAnnotation
            switch imagePageOptions {
            case "JPEG":
                imageOptions.type = CPDFConvertImgType.JPEG
            case "PNG":
                imageOptions.type = CPDFConvertImgType.PNG
            default:
                imageOptions.type = CPDFConvertImgType.PNG
            }
            return imageOptions
            
            case ConvertType.CSV.rawValue:
                let csvOptions = CPDFConvertCsvOptions()
            csvOptions.isMergeCSV = mergeCSV
            return csvOptions
            
            case ConvertType.RTF.rawValue:
               let rtfOptions = CPDFConvertRtfOptions()
            rtfOptions.isContainImages = isContainImages
            rtfOptions.isContainAnnotations = isContainAnnotation
            return rtfOptions
            
            case ConvertType.HTML.rawValue:
                let htmlOptions = CPDFConvertHtmlOptions()
            htmlOptions.isContainImages = isContainImages
            htmlOptions.isContainAnnotations = isContainAnnotation
            return htmlOptions
            default:
                return CPDFConvertOptions()
    
        }
    
    }
    

    
    func convert(options :CPDFConvertOptions, filePath:String,fileName : String, convertType : String, onProgress : @escaping (_ progress : Int, _ status : Int, _ outputPath : String?) -> Void) {
        
         result = onProgress
        
        var outPutPath = NSHomeDirectory() + "/Documents/ConversionDemo"
         if !FileManager.default.fileExists(atPath: outPutPath) {
             try! FileManager.default.createDirectory(atPath: outPutPath, withIntermediateDirectories: true)
         }
         let encodeString = filePath.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)
         let fileURL = URL(string:encodeString ?? "")
    
         switch convertType.uppercased() {
            case ConvertType.PPT.rawValue:
            
             pdfConvert = CPDFConverterPPT(url: fileURL, password: "")
             outPutPath = outPutPath.appending("/converted_\(fileName)_\(self.timeIntervalChangetoTimeStr(timeInterval: NSDate().timeIntervalSince1970, dateFormat:nil)).pptx")
            
            case ConvertType.WORD.rawValue:
             
             pdfConvert = CPDFConverterWord(url: fileURL, password: "")
             outPutPath = outPutPath.appending("/converted_\(fileName)_\(self.timeIntervalChangetoTimeStr(timeInterval: NSDate().timeIntervalSinceNow, dateFormat:nil)).docx")
            
            case ConvertType.EXCEL.rawValue:
            pdfConvert = CPDFConverterExcel(url: fileURL, password: "")
            outPutPath = outPutPath.appending("/converted_\(fileName)_\(self.timeIntervalChangetoTimeStr(timeInterval: NSDate().timeIntervalSinceNow, dateFormat:nil)).xlsx")
            case ConvertType.TXT.rawValue:
              pdfConvert = CPDFConverterTxt(url: fileURL, password: "")
              outPutPath = outPutPath.appending("/converted_\(fileName)_\(self.timeIntervalChangetoTimeStr(timeInterval: NSDate().timeIntervalSinceNow, dateFormat:nil)).txt")
            
            case ConvertType.IMAGE.rawValue:
              pdfConvert = CPDFConverterImg(url: fileURL, password: "")
             outPutPath = outPutPath.appending("/converted_\(fileName)_\(self.timeIntervalChangetoTimeStr(timeInterval: NSDate().timeIntervalSinceNow, dateFormat:nil)).zip")
            
            case ConvertType.CSV.rawValue:
              pdfConvert = CPDFConverterCsv(url: fileURL, password: "")
              outPutPath = outPutPath.appending("/converted_\(fileName)_\(self.timeIntervalChangetoTimeStr(timeInterval: NSDate().timeIntervalSinceNow, dateFormat:nil)).zip")
            
            case ConvertType.RTF.rawValue:
            pdfConvert = CPDFConverterRtf(url: fileURL, password: "")
               outPutPath = outPutPath.appending("/converted_\(fileName)_\(self.timeIntervalChangetoTimeStr(timeInterval: NSDate().timeIntervalSinceNow, dateFormat:nil)).rtf")
            
            case ConvertType.HTML.rawValue:
            pdfConvert = CPDFConverterHtml(url: fileURL, password: "")
            outPutPath = outPutPath.appending("/converted_\(fileName)_\(self.timeIntervalChangetoTimeStr(timeInterval: NSDate().timeIntervalSinceNow, dateFormat:nil)).zip")
               
            default:
            pdfConvert = CPDFConverter()

        }
        pdfConvert?.delegate = self
        mPath = outPutPath;
        pdfConvert?.convert(toFilePath: outPutPath, pageIndexs: nil, options: nil)
    }
    
    func timeIntervalChangetoTimeStr(timeInterval:TimeInterval, dateFormat:String?) -> String {
        let date:NSDate = NSDate.init(timeIntervalSince1970: timeInterval/1000)
        let formatter = DateFormatter.init()
        if dateFormat == nil {
            formatter.dateFormat = "yyyy-MM-dd_HH:mm:ss"
        }else{
            formatter.dateFormat = dateFormat
        }
        return formatter.string(from: date as Date)
    }
     
     @objc func converter(_ converter: CPDFConverter!, didStartConvert error: Error!) {
         result?(0, task_start, mPath)
     }
     
     @objc func converter(_ converter: CPDFConverter!, pageIndex index: UInt, pageCount count: UInt) {
         let progress = Double(index) / Double(count)
         result?(Int(progress*100), task_converting, mPath)
     }
     
     @objc func converter(_ converter: CPDFConverter!, didEndConvert error: Error!) {
         result?(100, task_success, mPath)
     }
}