/**
* Convert a QueryGroup object to a query string.
*
* @param QueryGroup $query QueryGroup to convert
*
* @return array
*/
protected function queryGroupToArray(QueryGroup $query)
{
$nextLevel = $query->getQueries();
$op = $nextLevel[0]->getOperator();
$negated = $nextLevel[0]->isNegated();
$parts = [];
foreach ($nextLevel[0]->getQueries() as $q) {
$index = $q->getHandler();
//$op = $q->getOperator();
$lookfor = $q->getString();
$parts[] = compact('index', 'op', 'negated', 'lookfor');
}
return $parts;
}
/**
* Convert a QueryGroup object to a query string.
*
* @param QueryGroup $query QueryGroup to convert
*
* @return string
*/
protected function queryGroupToString(QueryGroup $query)
{
$groups = $excludes = [];
foreach ($query->getQueries() as $params) {
// Advanced Search
if ($params instanceof QueryGroup) {
$thisGroup = [];
// Process each search group
foreach ($params->getQueries() as $group) {
// Build this group individually as a basic search
$thisGroup[] = $this->abstractQueryToString($group);
}
// Is this an exclusion (NOT) group or a normal group?
if ($params->isNegated()) {
$excludes[] = join(" OR ", $thisGroup);
} else {
$groups[] = join(" " . $params->getOperator() . " ", $thisGroup);
}
} else {
// Basic Search
$groups[] = $this->queryToString($params);
}
}
// Put our advanced search together
$queryStr = '';
if (count($groups) > 0) {
$queryStr .= "(" . join(") " . $query->getOperator() . " (", $groups) . ")";
}
// and concatenate exclusion after that
if (count($excludes) > 0) {
$queryStr .= " NOT ((" . join(") OR (", $excludes) . "))";
}
return $queryStr;
}
/**
* Convert a QueryGroup object to a query string.
*
* @param QueryGroup $query QueryGroup to convert
*
* @return array
*/
protected function queryGroupToArray(QueryGroup $query)
{
$groups = [];
foreach ($query->getQueries() as $params) {
// Advanced Search
if ($params instanceof QueryGroup) {
// Process each search group
foreach ($params->getQueries() as $q) {
// Build this group individually as a basic search
$op = $q->getOperator();
if ($params->isNegated()) {
$op = 'NOT';
}
$grp = $this->queryToEdsQuery($q, $op);
$groups[] = $grp;
}
} else {
// Basic Search
$groups[] = $this->queryToEdsQuery($params);
}
}
return $groups;
}
/**
* Support method for fixBadQuery().
*
* @param QueryGroup $query Query to fix
*
* @return bool|QueryGroup Fixed query, or false if no solution is found.
*/
protected function fixBadQueryGroup(QueryGroup $query)
{
$newQueries = [];
$fixed = false;
// Try to fix each query in the group; replace any query that needs to
// be changed.
foreach ($query->getQueries() as $current) {
$fixedQuery = $this->fixBadQuery($current);
if ($fixedQuery) {
$fixed = true;
$newQueries[] = $fixedQuery;
} else {
$newQueries[] = $current;
}
}
// If any of the queries in the group was fixed, we'll treat the whole
// group as being fixed.
if ($fixed) {
$query->setQueries($newQueries);
return $query;
}
// If we got this far, nothing was changed -- report failure:
return false;
}