feat: add video batch upload queue

2026-05-29 16:17:26 +08:00
parent 1c971fb0b2
commit aa89e03bee
9 changed files with 1046 additions and 0 deletions
@@ -0,0 +1,62 @@
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:flutter/widgets.dart';
+import 'package:wechat_assets_picker/wechat_assets_picker.dart';
+
+import 'video_batch_upload_config.dart';
+import 'video_batch_upload_task.dart';
+
+class VideoBatchUploadPicker {
+  const VideoBatchUploadPicker._();
+
+  static Future<List<VideoBatchUploadTask>> pickVideos(
+    BuildContext context, {
+    int maxAssets = VideoBatchUploadConfig.maxAssets,
+  }) async {
+    final List<AssetEntity>? assets = await AssetPicker.pickAssets(
+      context,
+      pickerConfig: AssetPickerConfig(
+        maxAssets: maxAssets,
+        requestType: RequestType.video,
+      ),
+    );
+    if (assets == null || assets.isEmpty) {
+      return <VideoBatchUploadTask>[];
+    }
+
+    final List<VideoBatchUploadTask> tasks = <VideoBatchUploadTask>[];
+    for (final AssetEntity asset in assets) {
+      final File? file = await asset.file;
+      if (file == null) {
+        continue;
+      }
+      final Uint8List? thumbnail = await asset.thumbnailDataWithSize(
+        const ThumbnailSize.square(220),
+        quality: 72,
+      );
+      final int fileSize = await file.length();
+      tasks.add(
+        VideoBatchUploadTask(
+          id: '${asset.id}_${DateTime.now().microsecondsSinceEpoch}',
+          file: file,
+          fileName: _normalizeFileName(asset.title, file.path),
+          fileSize: fileSize,
+          duration: asset.duration,
+          thumbnail: thumbnail,
+        ),
+      );
+    }
+    return tasks;
+  }
+
+  static String _normalizeFileName(String? assetTitle, String path) {
+    final String title = (assetTitle ?? '').trim();
+    if (title.isNotEmpty) {
+      return title;
+    }
+    final List<String> segments = path.split(Platform.pathSeparator);
+    final String fileName = segments.isEmpty ? '' : segments.last.trim();
+    return fileName.isEmpty ? 'video.mp4' : fileName;
+  }
+}