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<?php |
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namespace Zgabievi\KendoGridState\Filters; |
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use Illuminate\Support\Facades\DB; |
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use Illuminate\Database\Eloquent\Builder; |
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use Zgabievi\KendoGridState\Contracts\FilterAbstract; |
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class Filter extends FilterAbstract |
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{ |
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/** |
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* @param Builder $builder |
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* @param $descriptors |
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* @return mixed |
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*/ |
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public function filter(Builder $builder, $descriptors) |
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{ |
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$logic = array_get($descriptors, 'logic', 'and'); |
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$filters = array_get($descriptors, 'filters', []); |
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if (! is_array($filters)) { |
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return $builder; |
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} |
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foreach ($filters as $filter) { |
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$this->handle($builder, $filter, $logic); |
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} |
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} |
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/** |
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* @param Builder $builder |
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* @param $descriptor |
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* @param $logic |
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* @return \Illuminate\Database\Query\Builder|Builder |
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*/ |
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protected function handle(Builder $builder, $descriptor, $logic) |
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{ |
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if (! is_array($descriptor) || ! array_key_exists('field', $descriptor)) { |
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return $builder; |
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} |
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$logic = $logic === 'or' ? 'or' : 'and'; |
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if (array_key_exists('operator', $descriptor)) { |
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if ($descriptor['operator'] === 'isnull') { |
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return $builder->whereNull($descriptor['field'], $logic); |
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} |
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if ($descriptor['operator'] === 'isnotnull') { |
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return $builder->whereNotNull($descriptor['field'], $logic); |
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} |
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} |
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return $builder->where( |
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$this->resolveField($descriptor), |
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$this->resolveOperator($descriptor), |
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$this->resolveValue($descriptor), |
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$logic |
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); |
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} |
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/** |
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* @param $descriptor |
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* @return \Illuminate\Database\Query\Expression |
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*/ |
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protected function resolveField($descriptor) |
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{ |
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return $this->isBinary($descriptor) ? DB::raw('BINARY '.$descriptor['field']) : $descriptor['field']; |
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} |
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/** |
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* @param $descriptor |
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* @return string |
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*/ |
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protected function resolveOperator($descriptor) |
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{ |
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if (! array_key_exists('operator', $descriptor)) { |
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return '='; |
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} |
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switch ($descriptor['operator']) { |
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case 'eq': |
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case 'isempty': |
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return '='; |
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case 'neq': |
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case 'isnotempty': |
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return '!='; |
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case 'lt': |
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return '<'; |
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case 'lte': |
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return '<='; |
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case 'gt': |
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return '>'; |
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case 'gte': |
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return '>='; |
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case 'startswith': |
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case 'endswith': |
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case 'contains': |
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return 'LIKE'; |
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case 'doesnotcontain': |
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return 'NOT LIKE'; |
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} |
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} |
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/** |
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* @param $descriptor |
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* @return mixed |
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*/ |
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protected function resolveValue($descriptor) |
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{ |
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$value = array_get($descriptor, 'value', ''); |
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$operator = array_get($descriptor, 'operator', 'eq'); |
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switch ($operator) { |
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case 'eq': |
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case 'neq': |
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case 'lt': |
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case 'lte': |
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case 'gt': |
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case 'gte': |
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return $value; |
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case 'startswith': |
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return $value.'%'; |
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case 'endswith': |
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return '%'.$value; |
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case 'contains': |
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case 'doesnotcontain': |
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return '%'.$value.'%'; |
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case 'isempty': |
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case 'isnotempty': |
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return ''; |
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} |
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} |
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/** |
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* @param $descriptor |
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* @param $sensitive |
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* @return bool |
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*/ |
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protected function isBinary($descriptor) |
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{ |
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$operator = array_get($descriptor, 'operator', 'eq'); |
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$ignoreCase = array_get($descriptor, 'ignoreCase', 'true'); |
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return $ignoreCase === 'false' && in_array($operator, ['eq', 'neq']); |
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} |
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} |
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zgabievi /
laravel-kendo-grid-state
