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<?php |
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declare(strict_types=1); |
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namespace Sarala\Query; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Support\Str; |
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class QueryHelper |
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{ |
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private $query; |
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/** @var QueryParamBag */ |
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private $includes; |
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public function __construct($query, QueryParamBag $includes) |
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{ |
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$this->query = $query; |
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$this->includes = $includes; |
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} |
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public function exact($fields): self |
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{ |
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return $this->appendExact($fields, 'appendQuery'); |
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} |
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public function countExact($fields) |
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{ |
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return $this->appendExact($fields, 'appendCountQuery'); |
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} |
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private function appendExact($fields, $method) |
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{ |
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if (is_string($fields)) { |
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$this->{$method}($fields, $fields); |
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return $this; |
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} |
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if (! is_array($fields)) { |
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throw new \InvalidArgumentException( |
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'Expects a string or an array. '.gettype($fields).' given' |
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); |
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} |
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foreach (array_intersect($this->includes->keys(), $fields) as $field) { |
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$this->{$method}($field, $field); |
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} |
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return $this; |
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} |
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public function alias($fields, $value = null): self |
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{ |
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return $this->appendAlias($fields, $value, 'appendQuery'); |
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} |
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public function countAlias($fields, $value = null) |
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{ |
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return $this->appendAlias($fields, $value, 'appendCountQuery'); |
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} |
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private function appendAlias($fields, $value, $method): self |
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{ |
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if (is_array($fields) && is_null($value)) { |
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foreach ($fields as $field => $value) { |
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$this->{$method}($field, $value); |
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} |
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} |
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if (is_string($fields) && ! is_null($value)) { |
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$this->{$method}($fields, $value); |
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} |
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return $this; |
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} |
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private function appendCountQuery($field, $relationship) |
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{ |
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if (is_string($relationship)) { |
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$this->appendQuery($field, function ($query) use ($relationship) { |
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$relationship = Str::replaceLast('Count', '', Str::camel($relationship)); |
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$query->withCount($relationship); |
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}); |
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return; |
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} |
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throw new \InvalidArgumentException( |
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'countAlias() method expects second parameter to be a string. '.gettype($relationship).' given' |
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); |
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} |
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private function appendQuery($name, $value) |
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{ |
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if (is_callable($value)) { |
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$this->query->when($this->includes->has($name), $value); |
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return; |
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} |
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$this->query->when($this->includes->has($name), function (Builder $query) use ($value) { |
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$query->with($value); |
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}); |
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} |
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} |
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sarala-io /
sarala-laravel
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