* {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 = $arguments['as'];
if ($skillSet) {
$groups = self::group($skillSet->getSkills());
} else {
$groups = self::group($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
{
$domainTags = [];
foreach ($skills as $skill) {
$domainTags[] = isset($skill->toArray()['domainTag']) ? $skill->toArray()['domainTag']['title'] : "none";
}
$domainTags = array_unique($domainTags);
$result = [];
foreach ($domainTags as $domainTag) {
$result[] = [
'title' => $domainTag,
'skills' => array_filter($skills, function (Skill $skill) use ($domainTag) {
if (!isset($skill->toArray()['domainTag'])) {
return $domainTag === "none";
}
return $skill->toArray()['domainTag']['title'] === $domainTag;
})
];
}
return $result;
}
}