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ENHANCEMENT overload getResults() with extension point to change $booleanSearch param #23

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ENHANCEMENT overload getResults() with extension point to change $booleanSearch param #23

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83 changes: 83 additions & 0 deletions src/CMS/Search/SearchForm.php
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,11 @@

use BadMethodCallException;
use SilverStripe\Assets\File;
use SilverStripe\CMS\Model\SiteTree;
use SilverStripe\CMS\Search\SearchForm as SS_SearchForm;
use SilverStripe\Control\Controller;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\SS_List;
use SilverStripers\ElementalSearch\Model\SearchDocument;

class SearchForm extends SS_SearchForm
Expand Down Expand Up @@ -40,4 +44,83 @@ public function classesToSearch($classes)
$this->classesToSearch = $legalClasses;
}

/**
* Return dataObjectSet of the results using current request to get info from form.
* Wraps around {@link searchEngine()}.
*
* @return SS_List
*/
public function getResults()
{
// Get request data from request handler
$request = $this->getRequestHandler()->getRequest();

// set language (if present)
$locale = null;
$origLocale = null;
if (class_exists('Translatable')) {
$locale = $request->requestVar('searchlocale');
if (SiteTree::singleton()->hasExtension('Translatable') && $locale) {
if ($locale === "ALL") {
Translatable::disable_locale_filter();
} else {
$origLocale = Translatable::get_current_locale();

Translatable::set_current_locale($locale);
}
}
}

$keywords = $request->requestVar('Search');

$andProcessor = function ($matches) {
return ' +' . $matches[2] . ' +' . $matches[4] . ' ';
};
$notProcessor = function ($matches) {
return ' -' . $matches[3];
};

$keywords = preg_replace_callback('/()("[^()"]+")( and )("[^"()]+")()/i', $andProcessor, $keywords);
$keywords = preg_replace_callback('/(^| )([^() ]+)( and )([^ ()]+)( |$)/i', $andProcessor, $keywords);
$keywords = preg_replace_callback('/(^| )(not )("[^"()]+")/i', $notProcessor, $keywords);
$keywords = preg_replace_callback('/(^| )(not )([^() ]+)( |$)/i', $notProcessor, $keywords);

$keywords = $this->addStarsToKeywords($keywords);

$pageLength = $this->getPageLength();
$start = $request->requestVar('start') ?: 0;

$booleanSearch =
strpos($keywords, '"') !== false ||
strpos($keywords, '+') !== false ||
strpos($keywords, '-') !== false ||
strpos($keywords, '*') !== false;

$this->extend('updateBooleanSearchParam', $booleanSearch);

$results = DB::get_conn()->searchEngine($this->classesToSearch, $keywords, $start, $pageLength, "\"Relevance\" DESC", "", $booleanSearch);

// filter by permission
if ($results) {
foreach ($results as $result) {
if (!$result->canView()) {
$results->remove($result);
}
}
}

// reset locale
if (class_exists('Translatable')) {
if (SiteTree::singleton()->hasExtension('Translatable') && $locale) {
if ($locale == "ALL") {
Translatable::enable_locale_filter();
} else {
Translatable::set_current_locale($origLocale);
}
}
}

return $results;
}

}