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Step 1: Create PostSearchForm class to control search optionsoptions
 
PostSearchForm.php
| Code Block | 
|---|
| <?php
namespace Apps\Posts\Api\Form;
use Apps\Core_MobileApi\Api\Form\SearchForm; 
class PostSearchForm extends SearchForm
{ 
	public function getSortOptions()
	{
		$sortOptions = parent::getSortOptions();
		$sortOptions[] = [
		'value' => 'is_featured',
		'label' => 'Is Featured'
		]; 
		return $sortOptions; 
	} 
	public function getWhenOptions()
	{
		return parent::getWhenOptions();
	} 
} | 
...
| Code Block | 
|---|
| <?php
namespace Apps\Posts\Api\Service; 
use Apps\Core_MobileApi\Adapter\MobileApp\MobileApp;
use Apps\Core_MobileApi\Adapter\MobileApp\MobileAppSettingInterface;
use Apps\Core_MobileApi\Adapter\MobileApp\Screen;
use Apps\Core_MobileApi\Adapter\Utility\UrlUtility;
use Apps\Core_MobileApi\Api\AbstractResourceApi;
use Apps\Posts\Api\Form\PostForm;
use Apps\Posts\Api\Form\PostSearchForm;
use Apps\Posts\Api\Resource\PostResource; 
class PostApi extends AbstractResourceApi implements MobileAppSettingInterface
{ 
	public function __naming()
	{
		return [
			'post/search-form' => [
				'get' => 'getSearchForm'
			]
		]; 
	} 
	public function getSearchForm()
	{
		$form = $this->createForm(PostSearchForm::class, [
			'title' => 'search',
			'method' => 'GET',
			'action' => UrlUtility::makeApiUrl('post')
			]); 
		return $this->success($form->getFormStructure());
	}
	/* other code... */
} | 
Explain the code above:
- Method __naming() of PostApi class allows defining more API routes, Route to Search form MUST follow standard "{resource_name}/search-form"
- Method getSearchForm() handles API request and returns the response with the form's structure in JSON
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