/**
* Set the query string.
*
* This overwrites the current value
*
* @param string $query
* @param array $bind Bind values for placeholders in the query string
*
* @return self Provides fluent interface
*/
public function setQuery($query, $bind = null)
{
if (!is_null($bind)) {
$helper = new Helper();
$query = $helper->assemble($query, $bind);
}
return $this->setOption('query', $query);
}
public function build()
{
if (!empty($this->parameters)) {
$helper = new Helper();
return $helper->assemble($this->query, $this->parameters);
}
return $this->query;
}
public function testCacheControlWithoutCost()
{
$this->assertEquals('{!cache=true}', $this->helper->cacheControl(true));
}
public function testFilterControlCharacters()
{
$this->assertEquals('my string', $this->helper->filterControlCharacters("mystring"));
}
/**
* Set the query string.
*
* This overwrites the current value
*
* @param string $query
* @param array $bind Bind values for placeholders in the query string
*
* @return self Provides fluent interface
*/
public function setQuery($query, $bind = null)
{
if (!is_null($bind)) {
$helper = new Helper();
$query = $helper->assemble($query, $bind);
}
$this->query = trim($query);
return $this;
}
/**
* Flatten a keys array into a single search string.
*
* @param array $keys
* The keys array to flatten, formatted as specified by
* \Drupal\search_api\Query\QueryInterface::getKeys().
* @param bool $is_nested
* (optional) Whether the function is called for a nested condition.
* Defaults to FALSE.
*
* @return string
* A Solr query string representing the same keys.
*/
public function flattenKeys(array $keys, $is_nested = FALSE)
{
$k = array();
$or = $keys['#conjunction'] == 'OR';
$neg = !empty($keys['#negation']);
foreach ($keys as $key_nr => $key) {
// We cannot use \Drupal\Core\Render\Element::children() anymore because
// $keys is not a valid render array.
if ($key_nr[0] === '#' || !$key) {
continue;
}
if (is_array($key)) {
$subkeys = $this->flattenKeys($key, TRUE);
if ($subkeys) {
$nested_expressions = TRUE;
// If this is a negated OR expression, we can't just use nested keys
// as-is, but have to put them into parantheses.
if ($or && $neg) {
$subkeys = "({$subkeys})";
}
$k[] = $subkeys;
}
} else {
$solariumHelper = new SolariumHelper();
$key = $solariumHelper->escapePhrase(trim($key));
$k[] = $key;
}
}
if (!$k) {
return '';
}
// Formatting the keys into a Solr query can be a bit complex. The following
// code will produce filters that look like this:
//
// #conjunction | #negation | return value
// ----------------------------------------------------------------
// AND | FALSE | A B C
// AND | TRUE | -(A AND B AND C)
// OR | FALSE | ((A) OR (B) OR (C))
// OR | TRUE | -A -B -C
// If there was just a single, unnested key, we can ignore all this.
if (count($k) == 1 && empty($nested_expressions)) {
$k = reset($k);
return $neg ? "*:* AND -{$k}" : $k;
}
if ($or) {
if ($neg) {
return '*:* AND -' . implode(' AND -', $k);
}
return '((' . implode(') OR (', $k) . '))';
}
$k = implode($neg || $is_nested ? ' AND ' : ' ', $k);
return $neg ? "*:* AND -({$k})" : $k;
}
