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<?php |
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/** |
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* Created by PhpStorm. |
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* User: zing |
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* Date: 2018/12/26 |
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* Time: 7:14 PM. |
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*/ |
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namespace Zing\QueryBuilder; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Http\Request; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Str; |
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use Zing\QueryBuilder\Concerns\Castable; |
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class QueryBuilder extends Builder |
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{ |
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use Castable; |
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public const CAST_INTEGER = 'integer'; |
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public const CAST_ARRAY = 'array'; |
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public const CAST_BOOLEAN = 'boolean'; |
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/** @var \Illuminate\Http\Request */ |
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protected $request; |
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public function __construct(Builder $builder, $request) |
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{ |
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parent::__construct($builder->getQuery()); |
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$this->setModel($builder->getModel()); |
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$this->scopes = $builder->scopes; |
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$this->request = $request; |
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} |
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/** |
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* @param Builder|string $baseQuery |
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* @param \Illuminate\Http\Request $request |
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* |
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* @return \Zing\QueryBuilder\QueryBuilder |
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*/ |
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public static function for($baseQuery, Request $request) |
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{ |
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if (is_string($baseQuery)) { |
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$baseQuery = $baseQuery::query(); |
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} |
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return new static($baseQuery, $request); |
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} |
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/** |
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* 排序逻辑. |
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* |
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* @param array $inputs |
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* @param array $sorts |
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* |
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* @return mixed |
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*/ |
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protected function applySort($inputs, $sorts) |
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{ |
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foreach (['desc', 'asc'] as $direction) { |
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$this->when( |
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data_get($inputs, $direction), |
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function (Builder $query, $descAttribute) use ($sorts, $direction) { |
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if (array_key_exists($descAttribute, $sorts)) { |
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$descAttribute = Arr::get($sorts, $descAttribute); |
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} |
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return $query->orderBy($descAttribute, $direction); |
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} |
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); |
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} |
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return $this; |
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} |
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/** |
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* @param string $field |
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* @param array $results |
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* |
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* @return array |
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*/ |
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private function addNestedRelation($field, array $results) |
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{ |
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[$relation, $property] = collect(explode('.', $field)) |
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->pipe(function (Collection $parts) { |
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return [ |
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$parts->except(count($parts) - 1)->map([Str::class, 'camel'])->implode('.'), |
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$parts->last(), |
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]; |
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}); |
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$results[$relation][] = $property; |
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return $results; |
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} |
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protected function castAttribute($key, $value) |
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{ |
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switch ($this->getCastType($key)) { |
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case self::CAST_INTEGER: |
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return (int) $value; |
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case self::CAST_ARRAY: |
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if (Str::contains($value, ',')) { |
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return explode(',', $value); |
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} |
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return $value; |
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case self::CAST_BOOLEAN: |
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return (bool) $value; |
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} |
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return $value; |
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} |
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/** |
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* 自定义过滤器逻辑. |
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* |
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* @param \Zing\QueryBuilder\Filter[]|mixed $filters |
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* |
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* @return $this |
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*/ |
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public function addFilters($filters): self |
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{ |
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$filters = is_array($filters) ? $filters : func_get_args(); |
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$filters = collect($filters)->map(function ($filter) { |
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if ($filter instanceof Filter) { |
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return $filter; |
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} |
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return Filter::exact($filter); |
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}); |
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$filters->each(function (Filter $filter) { |
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$value = data_get($this->request->input(), $filter->getProperty()); |
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if ($value !== null && $value !== '') { |
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if ($this->hasCast($filter->getProperty())) { |
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$value = $this->castAttribute($filter->getProperty(), $value); |
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} elseif (Str::contains($value, ',')) { |
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$value = explode(',', $value); |
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} |
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$filter->filter($this, $value); |
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} |
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}); |
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return $this; |
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} |
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public function searchable($searchable) |
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{ |
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$searchable = is_array($searchable) ? $searchable : func_get_args(); |
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$search = $this->request->input('search'); |
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if ($search) { |
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$this->where( |
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function (Builder $query) use ($search, $searchable) { |
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$results = []; |
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foreach ($searchable as $field) { |
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if (Str::contains($field, '.')) { |
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$results = $this->addNestedRelation($field, $results); |
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} else { |
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$results[] = $field; |
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} |
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} |
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foreach ($results as $key => $value) { |
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if (is_numeric($key)) { |
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$query->orWhere($value, 'like', "%{$search}%"); |
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} else { |
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$query->orWhereHas( |
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$key, |
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function ($query) use ($value, $search) { |
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/** @var \Illuminate\Database\Query\Builder $query */ |
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$query->where( |
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function (Builder $query) use ($value, $search) { |
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foreach ($value as $field) { |
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$query->orWhere($field, 'like', "%{$search}%"); |
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} |
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} |
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); |
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} |
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); |
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} |
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} |
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} |
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); |
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}//end if |
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return $this; |
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} |
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} |
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zingimmick /
laravel-query-builder
