public function YAMLFrontMatterExporter::compile in Loft Data Grids 7.2

Build the string content of $this->output and return $this for chaining.

Parameters

mixed $page_id: (Optional) Defaults to NULL. Set this to only compile a single page.

Return value

$this

Overrides ExporterInterface::compile

File

vendor/aklump/loft_data_grids/src/AKlump/LoftDataGrids/YAMLFrontMatterExporter.php, line 62

Class

YAMLFrontMatterExporter

Class YAMLFrontMatterExporter

Namespace

AKlump\LoftDataGrids

Code

public function compile($page_id = null) {
  $bodyKey = $this->settings->bodyKey;

  // We will only operate on the current page.
  $data = $this
    ->getData()
    ->getPage();

  // We ignore all but the first row
  $row = reset($data);
  $build = array();
  $this->output = '';
  if ($data) {
    $build[] = '---';
    if ($build['fm'] = array_diff_key($row, array(
      $bodyKey => null,
    ))) {
      $build['fm'] = trim(Yaml::dump($build['fm']));
    }
    $build[] = '---';
    if (empty($build['fm'])) {
      $build = array();
    }
    $build['body'] = isset($row[$bodyKey]) ? $row[$bodyKey] : '';
    $this->output = implode(PHP_EOL, $build);
  }
  return $this;
}