Preview Files Using A Combined List Of Files and Attachments

// Listen to Salesforce field changes
formyoula.form_fields[ '5f60-3609-81b9' ].on( 'change', function( options ) {
  // Get Salesforce record id
  var parent_record_id = this.get( 'value' );
  // Construct the SOQL query to fetch related attachments and content versions
  var soql_query = `
      SELECT Id, 
          (SELECT Id, Name FROM Attachments),
          (SELECT Id, ContentDocument.Title, ContentDocument.LatestPublishedVersionId FROM ContentDocumentLinks WHERE LinkedEntityId = '${parent_record_id}')
      FROM Account WHERE Id = '${parent_record_id}'`;
  // Execute the SOQL query using the forcetk client
  formyoula.sfdc.query( soql_query, function( response ) {
    // Check if we have records
    if ( response.records && response.records[ 0 ] ) {
      // Initialize an empty array to hold the combined records
      var combined_files = [];
      // Extract the attachment records from the account data
      var attachments = response.records[ 0 ].Attachments.records;
      // Loop through each attachment record
      for ( var i = 0; i < attachments.length; i++ ) {
        // Push the attachment's Name and Id into the combined records array
        combined_files.push( {
          name: attachments[ i ].Name,
          id: attachments[ i ].Id
        } );
      }
      // Extract the content document link records from the account data
      var content_document_links = response.records[ 0 ].ContentDocumentLinks.records;
      // Loop through each content document link record
      for ( var j = 0; j < content_document_links.length; j++ ) {
        // Push the content document's Title and LatestPublishedVersionId into the combined records array
        combined_files.push( {
          name: content_document_links[ j ].ContentDocument.Title,
          id: content_document_links[ j ].ContentDocument.LatestPublishedVersionId
        } );
      }
      // Set all files
      formyoula.form_fields[ '4fe2-6c2a-e5b5' ].set( { value: combined_files } );
    }
  } );
} );