* {domainGroup.title}
*
* {skill.name}
*
*
*/
class SkillGroupingViewHelper extends AbstractViewHelper
{
use CompileWithRenderStatic;
protected $escapeOutput = false;
public function initializeArguments(): void
{
$this->registerArgument('skills', 'array', 'An array of skills to group', false, []);
$this->registerArgument('skillSet', SkillSet::class, 'The skills of this skill set will be grouped');
$this->registerArgument('as', 'string', 'The name of the iteration variable', true);
}
public static function renderStatic(
array $arguments,
Closure $renderChildrenClosure,
RenderingContextInterface $renderingContext
) {
/** @var Skill[] $skills */
$skills = $arguments['skills'];
/** @var SkillSet|null $skillSet */
$skillSet = $arguments['skillSet'];
$as = $arguments['as'];
$groups = self::group($skillSet ? $skillSet->getSkills() : $skills);
$templateVariableContainer = $renderingContext->getVariableProvider();
$output = '';
foreach ($groups as $group) {
$templateVariableContainer->add($as, $group);
$output .= $renderChildrenClosure();
$templateVariableContainer->remove($as);
}
return $output;
}
/**
* @param Skill[] $skills
* @return array
*/
protected static function group(array $skills): array
{
$result = [];
foreach ($skills as $skill) {
$skillAsArray = $skill->toArray();
$domainTag = !empty($skillAsArray['domainTag']) ? $skillAsArray['domainTag'] : ['uid' => 0, 'title' => ''];
if (!isset($result[$domainTag['uid']])) {
$result[$domainTag['uid']] = [
'uid' => $domainTag['uid'],
'title' => $domainTag['title'],
'skills' => [],
];
}
$result[$domainTag['uid']]['skills'][] = $skill;
}
return $result;
}
}