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EloquentFilter.php
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EloquentFilter.php
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<?php
/**
* Author: Nil Portugués Calderó <contact@nilportugues.com>
* Date: 7/02/16
* Time: 16:06.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace NilPortugues\Foundation\Infrastructure\Model\Repository\Eloquent;
use Illuminate\Database\Eloquent\Builder;
use NilPortugues\Foundation\Domain\Model\Repository\Contracts\BaseFilter;
use NilPortugues\Foundation\Domain\Model\Repository\Contracts\Filter as FilterInterface;
/**
* Class SqlFilter.
*/
class EloquentFilter
{
const MUST_NOT = 'must_not';
const MUST = 'must';
const SHOULD = 'should';
public static function filter(Builder $query, FilterInterface $filter)
{
foreach ($filter->filters() as $condition => $filters) {
$filters = self::removeEmptyFilters($filters);
if (count($filters) > 0) {
self::processConditions($query, $condition, $filters);
}
}
return $query;
}
/**
* @param array $filters
*
* @return array
*/
private static function removeEmptyFilters(array $filters)
{
$filters = array_filter($filters, function ($v) {
return count($v) > 0;
});
return $filters;
}
/**
* @param Builder $where
* @param string $condition
* @param array $filters
*/
private static function processConditions(Builder $where, $condition, array &$filters)
{
switch ($condition) {
case self::MUST:
self::apply($where, $filters, 'AND');
break;
case self::MUST_NOT:
self::apply($where, $filters, 'AND NOT');
break;
case self::SHOULD:
self::apply($where, $filters, 'OR');
break;
}
}
/**
* @param Builder $where
* @param array $filters
* @param string $boolean
*/
protected static function apply(Builder $where, array $filters, $boolean)
{
foreach ($filters as $filterName => $valuePair) {
foreach ($valuePair as $key => $value) {
if (is_array($value) && count($value) > 0) {
$value = array_values($value);
if (count($value[0]) > 1) {
switch ($filterName) {
case BaseFilter::RANGES:
$where->whereBetween($key, [$value[0][0], $value[0][1]], $boolean);
break;
case BaseFilter::NOT_RANGES:
$where->whereNotBetween($key, [$value[0][0], $value[0][1]], $boolean);
break;
}
} else {
switch ($filterName) {
case BaseFilter::GROUP:
$where->whereIn($key, $value, $boolean);
break;
case BaseFilter::NOT_GROUP:
$where->whereNotIn($key, $value, $boolean);
break;
}
}
}
$value = (array) $value;
$value = array_shift($value);
switch ($filterName) {
case BaseFilter::GREATER_THAN_OR_EQUAL:
$where->where($key, '>=', $value, $boolean);
break;
case BaseFilter::GREATER_THAN:
$where->where($key, '>', $value, $boolean);
break;
case BaseFilter::LESS_THAN_OR_EQUAL:
$where->where($key, '<=', $value, $boolean);
break;
case BaseFilter::LESS_THAN:
$where->where($key, '<', $value, $boolean);
break;
case BaseFilter::CONTAINS:
$where->where($key, 'LIKE', '%'.$value.'%', $boolean);
break;
case BaseFilter::NOT_CONTAINS:
$where->where($key, 'NOT LIKE', '%'.$value.'%', $boolean);
break;
case BaseFilter::STARTS_WITH:
$where->where($key, 'LIKE', $value.'%', $boolean);
break;
case BaseFilter::ENDS_WITH:
$where->where($key, 'LIKE', '%'.$value, $boolean);
break;
case BaseFilter::EQUALS:
$where->where($key, '=', $value, $boolean);
break;
case BaseFilter::NOT_EQUAL:
$where->where($key, '!=', $value, $boolean);
break;
}
}
}
}
}