apostrophe-forms/lib/modules/apostrophe-forms-file-field-widgets/index.js

Build forms for ApostropheCMS in a simple user interface.

module.exports = {
  extend: 'apostrophe-forms-base-field-widgets',
  label: 'File Attachment',
  construct: function(self, options) {
    self.pushAsset('script', 'lean', { when: 'lean' });
    self.sanitizeFormField = async function(req, form, widget, input, output) {
      const fileIds = self.apos.launder.ids(input[widget.fieldName]);

      // File IDs are stored in an array to allow multiple-file uploads.
      output[widget.fieldName] = [];

      for (let id of fileIds) {
        const info = await self.apos.attachments.db.findOne({
          _id: id
        });

        if (info) {
          output[widget.fieldName].push(self.apos.attachments.url(info, {
            size: 'original'
          }));
        }
      }
    };
  }
};