kmpdfkit_demo/lib/states/convert_provider.dart

import 'package:ConversionFlutterDemo/convert_flutter.dart';
import 'package:ConversionFlutterDemo/models/convert_contain_options_bean.dart';
import 'package:ConversionFlutterDemo/models/convert_type.dart';
import 'package:flutter/material.dart';
import '../models/convert_bean.dart';
import 'package:path/path.dart';

///  convert_provider.dart
///  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.

class ConvertProvider extends ChangeNotifier {
  final List<ConvertBean> _items = [];

  List<ConvertBean> get items => _items;

  void addConvertData(BuildContext context, ConvertType convertType,
      ConvertOptionsBean options, List<String?> filePath) {

    var hasConvertingData = false;
    var list = _items.where((element) => element.status == convertConverting);
    if(list.isNotEmpty){
      hasConvertingData = true;
    }

    for (var i = 0; i < filePath.length; i++) {
      String? path = filePath[i];
      if (path != null) {
        ConvertBean convertBean = ConvertBean(
            tag:
                '${path}_${convertType}_${DateTime.now().millisecondsSinceEpoch}',
            filePath: path,
            fileName: basenameWithoutExtension(path),
            convertType: convertType.name,
            status: convertConverting,
            progress: 0,
            options: options);
        _items.add(convertBean);
      }
    }
    if(!hasConvertingData){
      ConvertFlutter().convert(context, getNextConvertBean());
    }
    notifyListeners();
  }

  void updateStatus(String tag, int progress, int status, String? outputPath) {
    ConvertBean bean = _items.firstWhere((element) => element.tag == tag);
    bean
      ..status = status
      ..progress = progress
      ..outputPath = outputPath;
    notifyListeners();
  }


  ConvertBean getNextConvertBean() {
    return _items.firstWhere((element) => element.status == convertConverting);
  }

}