didvan-app/lib/services/media/media.dart

import 'dart:io';

import 'package:didvan/constants/assets.dart';
import 'package:didvan/models/requests/studio.dart';
import 'package:didvan/models/studio_details_data.dart';
import 'package:didvan/models/view/action_sheet_data.dart';
import 'package:didvan/providers/media.dart';
import 'package:didvan/services/network/request.dart';
import 'package:didvan/services/network/request_helper.dart';
import 'package:didvan/services/storage/storage.dart';
import 'package:didvan/utils/action_sheet.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:image_picker/image_picker.dart';
import 'package:just_audio/just_audio.dart';
import 'package:path/path.dart' as p;
import 'package:file_picker/file_picker.dart';
import 'package:path_provider/path_provider.dart';
import 'package:http/http.dart' as http;
import 'package:universal_html/html.dart' as html;

class MediaService {
  static final audioPlayer = AudioPlayer();
  static String? audioPlayerTag;
  static StudioDetailsData? currentPodcast;
  static StudioRequestArgs? podcastPlaylistArgs;

  static Duration? get duration => audioPlayer.duration;

  static Future<void> handleAudioPlayback({
    required dynamic audioSource,
    required int id,
    bool isNetworkAudio = true,
    bool isVoiceMessage = true,
    bool isBlob = false,
    void Function(bool isNext)? onTrackChanged,
  }) async {
    try {
      String tag;
      tag =
          '${currentPodcast?.description == 'radar' ? 'radar' : isVoiceMessage ? 'message' : 'podcast'}-$id';
      if (!isVoiceMessage && MediaProvider.downloadedItemIds.contains(id)) {
        audioSource = '${StorageService.appDocsDir}/podcasts/podcast-$id.mp3';
        isNetworkAudio = false;
      }
      if (audioPlayerTag == tag) {
        if (audioPlayer.playing) {
          await audioPlayer.pause();
        } else {
          await audioPlayer.play();
        }

        return;
      }
      await audioPlayer.stop();
      audioPlayerTag = tag;
      String source;
      if (isNetworkAudio) {
        if (isVoiceMessage) {
          source =
              '${RequestHelper.baseUrl + audioSource}?accessToken=${RequestService.token}';
        } else {
          source = audioSource;
        }
        audioPlayer.setUrl(
          source,
          tag: isVoiceMessage
              ? null
              : {
                  "artist": 'استودیو دیدوان',
                  "title": currentPodcast?.title ?? '',
                },
        );
      } else {
        if (isBlob) {
          audioPlayer.setAudioSource(AudioSource.uri(Uri.parse(audioSource)));
        } else {
          audioPlayer.setFilePath(
            audioSource,
            tag: isVoiceMessage
                ? null
                : {
                    "artist": 'استودیو دیدوان',
                    "title": currentPodcast?.title ?? '',
                  },
          );
        }
      }
      await audioPlayer.play();
      // await audioPlayer.open(
      //   audio,
      //   showNotification: !isVoiceMessage,
      //   notificationSettings: NotificationSettings(
      //     customStopAction: (_) => resetAudioPlayer(),
      //     customNextAction: (_) => onTrackChanged?.call(true),
      //     customPrevAction: (_) => onTrackChanged?.call(false),
      //   ),
      // );
    } catch (e) {
      // resetAudioPlayer();
      // rethrow;
    }
  }

  static Future<void> resetAudioPlayer() async {
    audioPlayerTag = null;
    currentPodcast = null;
    podcastPlaylistArgs = null;
    await MediaService.audioPlayer.stop();
  }

  static Future<XFile?> pickImage({required ImageSource source}) async {
    try {
      final imagePicker = ImagePicker();
      final XFile? pickedFile = await imagePicker.pickImage(source: source);
      return pickedFile;
    } catch (e) {
      e.printError(info: 'Pick Image Fail');
      return null;
    }
  }

  static Future<FilePickerResult?> pickPdfFile() async {
    try {
      final FilePickerResult? result = await FilePicker.platform.pickFiles(
        type: FileType.custom,
        allowedExtensions: ['pdf'],
        allowMultiple: false,
      );
      return result;
    } catch (e) {
      e.printError(info: 'Pick PDF Fail');
      // navigatorKey.currentState!.pop();
      return null;
    }
  }

  static Future<FilePickerResult?> pickAudioFile() async {
    try {
      return await FilePicker.platform.pickFiles(
        type: FileType.audio,
        allowMultiple: false,
      );
    } catch (e) {
      e.printError(info: 'Pick Audio Fail');
      return null;
    }
  }

  static Future<String?> downloadFile(String url) async {
    final basename = p.basename(url).split('?accessToken=').first;
    Directory? dir;
    try {
      if (Platform.isIOS) {
        dir = await getApplicationDocumentsDirectory(); // for iOS
      } else {
        dir = Directory('/storage/emulated/0/Download/'); // for android
        if (!await dir.exists()) dir = (await getExternalStorageDirectory())!;
      }
    } catch (err) {
      if (kDebugMode) {
        print("Cannot get download folder path $err");
      }
    }
    String path = "${dir?.path}${Platform.isIOS ? '/' : ''}$basename";

    File file = File(path);

    try {
      final http.Response audioResponse = await http.get(Uri.parse(url));
      final bytes = audioResponse.bodyBytes;
      file.writeAsBytes(bytes);
    } catch (e) {
      if (kDebugMode) {
        print("Exception$e");
      }
      return null;
    }

    return path;
  }

  static String downloadFileFromWeb(String url) {
    html.AnchorElement anchorElement = html.AnchorElement(href: url);
    anchorElement.download = url;
    anchorElement.click();
    return anchorElement.pathname!;
  }

  static onLoadingPickFile(BuildContext context) {
    ActionSheetUtils(context).openDialog(
        barrierDismissible: false,
        data: ActionSheetData(
          content: Center(
            child: Image.asset(
              Assets.loadingAnimation,
              width: 60,
              height: 60,
            ),
          ),
          hasConfirmButton: false,
          hasDismissButton: false,
        ));
  }
}