63 lines
1.8 KiB
Dart
63 lines
1.8 KiB
Dart
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import 'dart:io';
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import 'dart:typed_data';
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import 'package:flutter/widgets.dart';
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import 'package:wechat_assets_picker/wechat_assets_picker.dart';
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import 'video_batch_upload_config.dart';
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import 'video_batch_upload_task.dart';
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class VideoBatchUploadPicker {
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const VideoBatchUploadPicker._();
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static Future<List<VideoBatchUploadTask>> pickVideos(
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BuildContext context, {
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int maxAssets = VideoBatchUploadConfig.maxAssets,
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}) async {
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final List<AssetEntity>? assets = await AssetPicker.pickAssets(
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context,
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pickerConfig: AssetPickerConfig(
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maxAssets: maxAssets,
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requestType: RequestType.video,
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),
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);
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if (assets == null || assets.isEmpty) {
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return <VideoBatchUploadTask>[];
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}
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final List<VideoBatchUploadTask> tasks = <VideoBatchUploadTask>[];
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for (final AssetEntity asset in assets) {
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final File? file = await asset.file;
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if (file == null) {
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continue;
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}
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final Uint8List? thumbnail = await asset.thumbnailDataWithSize(
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const ThumbnailSize.square(220),
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quality: 72,
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);
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final int fileSize = await file.length();
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tasks.add(
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VideoBatchUploadTask(
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id: '${asset.id}_${DateTime.now().microsecondsSinceEpoch}',
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file: file,
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fileName: _normalizeFileName(asset.title, file.path),
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fileSize: fileSize,
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duration: asset.duration,
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thumbnail: thumbnail,
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),
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);
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}
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return tasks;
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}
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static String _normalizeFileName(String? assetTitle, String path) {
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final String title = (assetTitle ?? '').trim();
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if (title.isNotEmpty) {
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return title;
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}
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final List<String> segments = path.split(Platform.pathSeparator);
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final String fileName = segments.isEmpty ? '' : segments.last.trim();
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return fileName.isEmpty ? 'video.mp4' : fileName;
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}
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}
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