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<?php |
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namespace Spatie\QueryBuilder\Concerns; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Str; |
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use Spatie\QueryBuilder\Exceptions\InvalidAppendQuery; |
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trait AppendsAttributesToResults |
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{ |
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/** @var \Illuminate\Support\Collection */ |
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protected $allowedAppends; |
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public function allowedAppends($appends): self |
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{ |
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$appends = is_array($appends) ? $appends : func_get_args(); |
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$this->allowedAppends = collect($appends); |
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$this->ensureAllAppendsExist(); |
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return $this; |
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} |
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protected function addAppendsToResults(Collection $results) |
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{ |
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$appends = $this->request->appends(); |
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return $results->each(function($item) use($appends) |
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{ |
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$appends->each(function($append) use($item) |
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{ |
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if(Str::contains($append, '.')) |
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{ |
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$nestedAppends = collect(explode('.', $append)); |
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$relation = $nestedAppends->shift(); |
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$this->appendLoop($item, $relation, $nestedAppends); |
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} else |
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{ |
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$item->append($append); |
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} |
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}); |
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}); |
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} |
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private function appendLoop($item, string $relation, Collection $nestedAppends) |
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{ |
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if($item->relationLoaded($relation)) |
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{ |
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if($nestedAppends->count() === 1) |
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{ |
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$sub = $nestedAppends->first(); |
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if($item->$relation instanceof \Illuminate\Database\Eloquent\Collection) |
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{ |
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$item->$relation->each(function($model) use($sub) |
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{ |
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$model->append($sub); |
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}); |
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} else |
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{ |
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$item->$relation->append($sub); |
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} |
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} else |
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{ |
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$sub = $nestedAppends->shift(); |
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$this->appendLoop($item->$relation, $sub, $nestedAppends); |
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} |
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} |
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} |
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protected function ensureAllAppendsExist() |
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{ |
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$appends = $this->request->appends(); |
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$diff = $appends->diff($this->allowedAppends); |
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if ($diff->count()) { |
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throw InvalidAppendQuery::appendsNotAllowed($diff, $this->allowedAppends); |
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} |
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} |
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} |
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spatie /
laravel-query-builder
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: