Attachment constructor

Attachment({ String? id, String? type, String? titleLink, String? title, String? thumbUrl, String? text, String? pretext, String? ogScrapeUrl, String? imageUrl, String? footerIcon, String? footer, dynamic fields, String? fallback, String? color, String? authorName, String? authorLink, String? authorIcon, String? assetUrl, List<Action>? actions, Map<String, Object?> extraData = const {}, AttachmentFile? file, UploadState? uploadState, })

Constructor used for json serialization

Implementation

Attachment({
  String? id,
  this.type,
  this.titleLink,
  String? title,
  this.thumbUrl,
  this.text,
  this.pretext,
  this.ogScrapeUrl,
  this.imageUrl,
  this.footerIcon,
  this.footer,
  this.fields,
  this.fallback,
  this.color,
  this.authorName,
  this.authorLink,
  this.authorIcon,
  this.assetUrl,
  List<Action>? actions,
  Map<String, Object?> extraData = const {},
  this.file,
  UploadState? uploadState,
})  : id = id ?? const Uuid().v4(),
      title = title ?? file?.name,
      localUri = file?.path != null ? Uri.parse(file!.path!) : null,
      actions = actions ?? [],
      // For backwards compatibility,
      // set 'file_size', 'mime_type' in [extraData].
      extraData = {
        ...extraData,
        if (file?.size != null) 'file_size': file?.size,
        if (file?.mimeType != null) 'mime_type': file?.mimeType?.mimeType,
      } {
  this.uploadState = uploadState ??
      ((assetUrl != null || imageUrl != null)
          ? const UploadState.success()
          : const UploadState.preparing());
}