pick method

Implementation

Future<UploadSource?> pick(HatangAttachmentSource source) async {
  switch (source) {
    case HatangAttachmentSource.camera:
    case HatangAttachmentSource.gallery:
      final x = await _images.pickImage(
        source: source == HatangAttachmentSource.camera ? ImageSource.camera : ImageSource.gallery,
        maxWidth: maxImageSide.toDouble(),
        maxHeight: maxImageSide.toDouble(),
        imageQuality: jpegQuality,
        requestFullMetadata: false,
      );
      if (x == null) return null;
      return await prepare(await x.readAsBytes(), x.name, x.mimeType);
    case HatangAttachmentSource.file:
      final pick = _pickFile;
      if (pick == null) return null;
      final f = await pick();
      if (f == null) return null;
      return await prepare(f.bytes, f.name, f.mimeType);
  }
}