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<?php |
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namespace Spatie\QueryBuilder\Concerns; |
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use Spatie\QueryBuilder\AllowedFilter; |
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use Spatie\QueryBuilder\Exceptions\InvalidFilterQuery; |
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trait FiltersQuery |
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{ |
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/** @var \Illuminate\Support\Collection */ |
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protected $allowedFilters; |
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public function allowedFilters($filters): self |
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{ |
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$filters = is_array($filters) ? $filters : func_get_args(); |
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$this->allowedFilters = collect($filters)->map(function ($filter) { |
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if ($filter instanceof AllowedFilter) { |
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return $filter; |
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} |
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return AllowedFilter::partial($filter); |
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}); |
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if ($this->ensureAllFiltersExist()) { |
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$this->addFiltersToQuery(); |
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} |
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return $this; |
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} |
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protected function addFiltersToQuery() |
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{ |
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$this->allowedFilters->each(function (AllowedFilter $filter) { |
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if ($this->isFilterRequested($filter)) { |
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$value = $this->request->filters()->get($filter->getName()); |
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$filter->filter($this, $value); |
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return; |
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} |
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if ($filter->hasDefault()) { |
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$filter->filter($this, $filter->getDefault()); |
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return; |
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} |
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}); |
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} |
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protected function findFilter(string $property): ?AllowedFilter |
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{ |
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return $this->allowedFilters |
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->first(function (AllowedFilter $filter) use ($property) { |
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return $filter->isForFilter($property); |
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}); |
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} |
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protected function isFilterRequested(AllowedFilter $allowedFilter): bool |
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{ |
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return $this->request->filters()->has($allowedFilter->getName()); |
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} |
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protected function ensureAllFiltersExist(): bool |
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{ |
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$filterNames = $this->request->filters()->keys(); |
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$allowedFilterNames = $this->allowedFilters->map(function (AllowedFilter $allowedFilter) { |
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return $allowedFilter->getName(); |
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}); |
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$diff = $filterNames->diff($allowedFilterNames); |
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if ($diff->count()) { |
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if ($this->throwInvalidQueryExceptions) { |
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throw InvalidFilterQuery::filtersNotAllowed($diff, $allowedFilterNames); |
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} else { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: