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Merge pull request #17 from zamblas/json-case-insensitive
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Update Filter.php to allow case insensitive filtering on JSON columns
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@coolsam726
coolsam726 authored Jul 20, 2023
2 parents 439b663 + 3d82db9 commit 86fcbe7
Showing 1 changed file with 92 additions and 14 deletions.
106 changes: 92 additions & 14 deletions src/Filter.php
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Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,10 @@ class Filter
const DATE_AFTER = 'dateAfter';

private $likeOperator = 'LIKE';

public function __construct(public string $field, public ?string $value = null, public ?string $matchMode = self::CONTAINS)
{
$this->likeOperator = \DB::connection()->getPDO()->getAttribute(\PDO::ATTR_DRIVER_NAME) == 'pgsql' ? 'ILIKE' : 'LIKE';
$this->likeOperator = \DB::connection()->getPDO()->getAttribute(\PDO::ATTR_DRIVER_NAME) == 'pgsql' ? 'ILIKE' : 'LIKE';
}

public function buildWhere(Builder &$q, ?bool $or = false)
Expand Down Expand Up @@ -91,40 +91,92 @@ public function buildWhere(Builder &$q, ?bool $or = false)
}
private function applyWhere(Builder &$q, string $field, ?bool $or = false)
{
$jsonField = $this->isJsonFieldPath($field);

switch ($this->matchMode) {
case self::STARTS_WITH:
if ($or) {
$q->orWhere($field, $this->likeOperator, $this->value . "%");
if(!$jsonField) {
$q->orWhere($field, $this->likeOperator, $this->value . "%");
}
else {
$q->orWhereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") '.$this->likeOperator.' ?', mb_strtolower($this->value . "%"));
}
} else {
$q->where($field, $this->likeOperator, $this->value . "%");
if(!$jsonField) {
$q->where($field, $this->likeOperator, $this->value . "%");
}
else {
$q->whereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") '.$this->likeOperator.' ?', mb_strtolower($this->value . "%"));
}
}
break;
case self::NOT_CONTAINS:
if ($or) {
$q->orWhere($field, "NOT" . $this->likeOperator, "%" . $this->value . "%");
if(!$jsonField) {
$q->orWhere($field, "NOT" . $this->likeOperator, "%" . $this->value . "%");
}
else {
$q->orWhereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") NOT '.$this->likeOperator.' ?', mb_strtolower("%" . $this->value . "%"));
}
} else {
$q->where($field, "NOT" . $this->likeOperator, "%" . $this->value . "%");
if(!$jsonField) {
$q->where($field, "NOT" . $this->likeOperator, "%" . $this->value . "%");
}
else {
$q->whereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") NOT '.$this->likeOperator.' ?', mb_strtolower("%" . $this->value . "%"));
}
}
break;
case self::ENDS_WITH:
if ($or) {
$q->orWhere($field, $this->likeOperator, "%" . $this->value);
if(!$jsonField) {
$q->orWhere($field, $this->likeOperator, "%" . $this->value);
}
else {
$q->orWhereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") '.$this->likeOperator.' ?', mb_strtolower("%" . $this->value . ""));
}
} else {
$q->where($field, $this->likeOperator, "%" . $this->value);
if(!$jsonField) {
$q->where($field, $this->likeOperator, "%" . $this->value);
}
else {
$q->whereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") '.$this->likeOperator.' ?', mb_strtolower("%" . $this->value . ""));
}
}
break;
case self::EQUALS:
if ($or) {
$q->orWhere($field, "=", $this->value);
if(!$jsonField) {
$q->orWhere($field, "=", $this->value);
}
else {
$q->orWhereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") = ?', mb_strtolower($this->value));
}
} else {
$q->where($field, "=", $this->value);
if(!$jsonField) {
$q->where($field, "=", $this->value);
}
else {
$q->whereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") = ?', mb_strtolower($this->value));
}
}
break;
case self::NOT_EQUALS:
if ($or) {
$q->orWhere($field, "!=", $this->value);
if(!$jsonField) {
$q->orWhere($field, "!=", $this->value);
}
else {
$q->orWhereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") != ?', mb_strtolower($this->value));
}
} else {
$q->where($field, "!=", $this->value);
if(!$jsonField) {
$q->where($field, "!=", $this->value);
}
else {
$q->whereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") != ?', mb_strtolower($this->value));
}
}
break;
case self::IN:
Expand Down Expand Up @@ -195,12 +247,38 @@ private function applyWhere(Builder &$q, string $field, ?bool $or = false)

case self::CONTAINS:
default:

if ($or) {
$q->orWhere($field, $this->likeOperator, "%" . $this->value . "%");
if(!$jsonField) {
$q->orWhere($field, $this->likeOperator, "%" . $this->value . "%");
}
else {
$q->orWhereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") '.$this->likeOperator.' ?', mb_strtolower("%" . $this->value . "%"));
}
} else {
$q->where($field, $this->likeOperator, "%" . $this->value . "%");
if(!$jsonField) {
$q->where($field, $this->likeOperator, "%" . $this->value . "%");
}
else {
$q->whereRaw('LOWER('.$jsonField[0].'->>"$.'.$jsonField[1].'") '.$this->likeOperator.' ?', mb_strtolower("%" . $this->value . "%"));
}
}
break;
}
}

/**
* Check if a field string represents a JSON field path.
*
* @param string $field The field string to check.
* @return array|false Returns an array of path segments if the field is a JSON field path,
* or false otherwise.
*/
private function isJsonFieldPath(string $field): false|array
{
if(str_contains($field, "->")) {
return explode("->", $field);
}
return false;
}
}

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