Traders_Circuit/lib/Utils/utils.dart

import 'dart:developer';
import 'dart:io';

import 'package:device_info_plus/device_info_plus.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:get/get.dart' as getx;
import 'package:permission_handler/permission_handler.dart';

class Utils {
  static Future<MultipartFile> networkImageToMultipartFile(
      String imageUrl) async {
    Dio dio = Dio();

    Response<Uint8List> response = await dio.get<Uint8List>(imageUrl,
        options: Options(responseType: ResponseType.bytes));

    MultipartFile multipartFile = MultipartFile.fromBytes(
      response.data!,
      filename: imageUrl.substring(imageUrl.lastIndexOf("/") + 1),
    );

    return multipartFile;
  }

  static Future<MultipartFile> assetImageToMultipartFile(
      String assetImagePath, String fileName) async {
    ByteData assetByteData = await rootBundle.load(assetImagePath);
    List<int> assetBytes = assetByteData.buffer.asUint8List();

    MultipartFile file = MultipartFile.fromBytes(
      assetBytes,
      filename: fileName,
    );

    return file;
  }

  static showToast(String? msg) {
    if (msg != null && msg != "null" && msg.isNotEmpty) {
      Fluttertoast.showToast(
        msg: msg,
        toastLength: Toast.LENGTH_LONG,
      );
    }
  }

  static loader() {
    getx.Get.dialog(
      Dialog(
        elevation: 0,
        backgroundColor: Colors.transparent,
        child: WillPopScope(
            child: const Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                CircularProgressIndicator(
                  color: Color(0xFF9A0000),
                ),
              ],
            ),
            onWillPop: () async => false),
      ),
      barrierDismissible: false,
    );
  }

  static Future<void> getStoragePermission() async {
    DeviceInfoPlugin plugin = DeviceInfoPlugin();
    AndroidDeviceInfo android = await plugin.androidInfo;
    if (android.version.sdkInt < 33) {
      if (await Permission.storage.request().isGranted) {
        //  setState(() {
        //    permissionGranted = true;
        //  });
      } else if (await Permission.storage.request().isPermanentlyDenied) {
        await openAppSettings();
        await showToast("Permission denied.");
      }
      // else if (await Permission.audio.request().isDenied) {
      //   //  setState(() {
      //   //    permissionGranted = false;
      //   //  });
      // }
    } else {
      if (await Permission.photos.request().isGranted) {
        // await utils.showToast("Permission granted.");
        // setState(() {
        //    permissionGranted = true;
        // });
      } else if (await Permission.photos.request().isPermanentlyDenied) {
        await openAppSettings();
        await showToast("Permission denied.");
      } else if (await Permission.photos.request().isDenied) {
        await openAppSettings();
        await showToast("Permission denied.");
        //  setState(() {
        //      permissionGranted = false;
        //  });
      }
    }
  }

  static Future openFile({
    required String url,
    String? fileName,
  }) async {
    var status;
    //    Permission.manageExternalStorage.request();
    final deviceInfo = await DeviceInfoPlugin().androidInfo;
    if (deviceInfo.version.sdkInt > 32) {
      status = await Permission.photos.request().isGranted;

      await Permission.manageExternalStorage.request();
    } else {
      status = await Permission.storage.request().isGranted;
      await Permission.manageExternalStorage.request();
    }
    if (status) {
      await downloadFile(url, fileName!);
      //   if (file == null) {
      //   log("Error 3333333333333");
      // } else {
      //   await OpenFile.open(file.path).then((value) {
      //     print("RUNNING THIS");
      //     if (value.type == ResultType.noAppToOpen) {
      //       ScaffoldMessenger.of(context).showSnackBar(Helper.displaySnackBar(
      //           "type",
      //           "error",
      //           "You do not have any application to open this file"));

      //       //Navigator.pop(context);
      //     } else {
      //       log(value.message);
      //     }
      //   });

      //   // if (message.toString() != "done") {
      //   //   displaySnackBar("login", "error", message.message.toString());
      //   // }
      // }
    } else {
      openAppSettings();
    }
  }

  static Future<File?> downloadFile(String url, String name) async {
    final appStorage = Directory("/storage/emulated/0/Download");
    final file = File('${appStorage.path}/$name');

    try {
      showToast("Downloading...");
      final response = await Dio().get(
        url,
        options: Options(
          // headers: requestHeaders,
          responseType: ResponseType.bytes,
          followRedirects: false,
          // receiveTimeout: 0,
        ),
      );
      final raf = file.openSync(mode: FileMode.write);
      raf.writeFromSync(response.data);
      await raf.close();
      showToast("Download Completed !");

      return file;
    } catch (e) {
      log(e.toString());
      showToast("Download Error! Please try again");

      return null;
    }
  }
}