public function StepsBlock::build in Opigno Learning path 3.x

Same name and namespace in other branches

1. 8 src/Plugin/Block/StepsBlock.php \Drupal\opigno_learning_path\Plugin\Block\StepsBlock::build()

Builds and returns the renderable array for this block plugin.

If a block should not be rendered because it has no content, then this method must also ensure to return no content: it must then only return an empty array, or an empty array with #cache set (with cacheability metadata indicating the circumstances for it being empty).

Return value

array A renderable array representing the content of the block.

Overrides BlockPluginInterface::build

See also

\Drupal\block\BlockViewBuilder

File

src/Plugin/Block/StepsBlock.php, line 90

Class

StepsBlock

Provides a 'article' block.

Namespace

Drupal\opigno_learning_path\Plugin\Block

Code

public function build() {
  $group = $this
    ->getGroupByRouteOrContext();
  $steps = $this
    ->getStepsByGroup($group);

  // Get group context.
  $cid = $this
    ->getCurrentGroupContentId();
  if (!$cid) {
    return [];
  }
  if (!$steps) {
    return [];
  }
  $steps = array_values($steps);
  if (!$steps) {
    return [];
  }
  foreach ($steps as $index => &$step) {
    $step['step_previous'] = $steps[$index - 1] ?? FALSE;
    $step['step_first'] = $index === 0;
    $step['step_last'] = count($steps) - 1 === $index;
  }
  return [
    '#type' => 'container',
    [
      '#theme' => 'opigno_lp_step_activity',
      'title' => [
        '#markup' => $group
          ->label(),
      ],
      'steps' => $steps,
      '#pre_render' => [
        [
          $this,
          'processModuleList',
        ],
      ],
    ],
  ];
}