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<?php |
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namespace SebastianBerc\Repositories\Services; |
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use Illuminate\Contracts\Container\Container as Application; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Database\Eloquent\Collection; |
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use Illuminate\Database\Eloquent\Model as Eloquent; |
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use Illuminate\Pagination\LengthAwarePaginator; |
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use SebastianBerc\Repositories\Contracts\ServiceInterface; |
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use SebastianBerc\Repositories\Repository; |
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use SebastianBerc\Repositories\Traits\Filterable; |
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use SebastianBerc\Repositories\Traits\Sortable; |
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/** |
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* Class DatabaseService. |
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* |
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* @author Sebastian Berć <[email protected]> |
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* @copyright Copyright (c) Sebastian Berć |
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*/ |
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class DatabaseService implements ServiceInterface |
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{ |
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use Filterable, Sortable; |
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/** |
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* Contains Laravel Application instance. |
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* |
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* @var Application |
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*/ |
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protected $app; |
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/** |
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* Contains a repository instance. |
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* |
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* @var Repository |
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*/ |
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protected $repository; |
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/** |
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* Contains model instance for fetch, and simple fetch methods. |
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* |
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* @var mixed |
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*/ |
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protected $instance; |
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/** |
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* Create a new database service instance. |
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* |
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* @param Application $app |
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* @param Repository $repository |
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*/ |
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public function __construct(Application $app, Repository $repository) |
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{ |
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$this->app = $app; |
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$this->repository = $repository; |
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} |
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/** |
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* Get all of the models from the database. |
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* |
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* @param string[] $columns |
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* |
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* @return Collection |
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*/ |
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public function all(array $columns = ['*']) |
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{ |
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return $this->repository->makeQuery()->get($columns); |
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} |
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/** |
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* Create a new basic where query clause on model. |
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* |
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* @param string|array $column |
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* @param string $operator |
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* @param mixed $value |
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* @param string $boolean |
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* @param string[] $columns |
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* |
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* @return Collection |
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*/ |
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public function where($column, $operator = '=', $value = null, $boolean = 'and', array $columns = ['*']) |
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{ |
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return $this->repository->makeQuery()->where($column, $operator, $value, $boolean, $columns)->get($columns); |
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} |
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/** |
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* Paginate the given query. |
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* |
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* @param int $perPage |
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* @param string[] $columns |
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* |
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* @return \Illuminate\Contracts\Pagination\LengthAwarePaginator |
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*/ |
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public function paginate($perPage = 15, array $columns = ['*']) |
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{ |
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return $this->repository->makeQuery()->paginate($perPage, $columns); |
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} |
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/** |
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* Save a new model and return the instance. |
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* |
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* @param array $attributes |
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* |
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* @return Eloquent |
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*/ |
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public function create(array $attributes = []) |
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{ |
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return $this->repository->makeModel()->create($attributes); |
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} |
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/** |
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* Save or update the model in the database. |
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* |
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* @param mixed $identifier |
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* @param array $attributes |
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* |
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* @return Eloquent |
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*/ |
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public function update($identifier, array $attributes = []) |
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{ |
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$instance = $identifier instanceof Eloquent |
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? $identifier |
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: $this->repository->makeQuery()->findOrFail($identifier); |
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$instance->fill($attributes); |
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if ($instance->isDirty()) { |
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$instance->save(); |
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} |
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return $instance; |
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} |
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/** |
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* Delete the model from the database. |
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* |
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* @param int $identifier |
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* |
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* @return bool|null |
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*/ |
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public function delete($identifier) |
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{ |
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return $this->repository->makeQuery() |
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->findOrFail($identifier, [$this->repository->makeModel()->getKeyName()]) |
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->delete(); |
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} |
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/** |
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* Find a model by its primary key. |
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* |
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* @param int $identifier |
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* @param string[] $columns |
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* |
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* @return Eloquent |
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*/ |
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public function find($identifier, array $columns = ['*']) |
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{ |
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return $this->repository->makeQuery()->find($identifier, $columns); |
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} |
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/** |
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* Find a model by its specified column and value. |
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* |
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* @param mixed $column |
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* @param mixed $value |
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* @param string[] $columns |
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* |
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* @return Eloquent |
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*/ |
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public function findBy($column, $value, array $columns = ['*']) |
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{ |
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return $this->where([$column => $value], '=', null, 'and', $columns)->first(); |
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} |
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/** |
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* Find a model by its specified columns and values presented as array. |
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* |
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* @param array $wheres |
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* @param string[] $columns |
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* |
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* @return Eloquent |
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*/ |
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public function findWhere(array $wheres, array $columns = ['*']) |
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{ |
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return $this->where($wheres, '=', null, 'and', $columns)->first(); |
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} |
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/** |
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* Find a models by its primary key. |
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* |
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* @param array $identifiers |
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* @param string[] $columns |
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* |
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* @return Collection |
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*/ |
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public function findMany($identifiers, array $columns = ['*']) |
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{ |
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return $this->repository->makeQuery()->findMany($identifiers, $columns); |
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} |
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/** |
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* Search the models in search of words in a given phrase to the specified columns. |
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* |
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* @param string $search |
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* @param array $columns |
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* @param float $threshold |
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* |
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* @return Builder |
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*/ |
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public function search($search, array $columns = [], $threshold = null) |
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{ |
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$searchable = empty($columns) ? $columns : $this->repository->getSearchableFields(); |
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$service = new SearchService($this->repository->makeQuery(), $searchable, $threshold); |
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return $service->search($search); |
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} |
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/** |
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* Returns total count of whole collection. |
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* |
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* @return int |
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*/ |
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public function count() |
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{ |
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$countBy = "{$this->repository->makeModel()->getTable()}.{$this->repository->makeModel()->getKeyName()}"; |
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return $this->repository->makeQuery()->count($countBy); |
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} |
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/** |
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* Fetch collection ordered and filtrated by specified columns for specified page as paginator. |
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* |
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* @param int $page |
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* @param int $perPage |
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* @param array $columns |
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* @param array $filter |
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* @param array $sort |
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* @param string $search |
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* |
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* @return LengthAwarePaginator |
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*/ |
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public function fetch( |
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$page = 1, |
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$perPage = 15, |
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array $columns = ['*'], |
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array $filter = [], |
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array $sort = [], |
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$search = null |
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) { |
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View Code Duplication |
if (empty($search)) { |
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$this->instance = $this->repository->makeQuery(); |
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$this->multiFilterBy($filter)->multiSortBy($sort); |
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} else { |
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$this->instance = $this->repository->search($search); |
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} |
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$this->parseAliases($this->instance); |
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$count = $this->countResults($this->instance); |
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$items = $this->instance->forPage($page, $perPage)->get($columns); |
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$options = [ |
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'path' => $this->app->make('request')->url(), |
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'query' => compact('page', 'perPage'), |
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]; |
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return new LengthAwarePaginator($items, $count, $perPage, $page, $options); |
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} |
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/** |
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* Fetch collection ordered and filtrated by specified columns for specified page. |
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* |
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* @param int $page |
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* @param int $perPage |
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* @param array $columns |
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* @param array $filter |
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* @param array $sort |
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* @param string $search |
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* |
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* @return Collection |
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*/ |
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public function simpleFetch( |
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$page = 1, |
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$perPage = 15, |
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array $columns = ['*'], |
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array $filter = [], |
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array $sort = [], |
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$search = null |
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) { |
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View Code Duplication |
if (is_null($search)) { |
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$this->instance = $this->repository->makeQuery(); |
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$this->multiFilterBy($filter)->multiSortBy($sort); |
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} else { |
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$this->instance = $this->repository->search($search); |
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} |
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$this->parseAliases($this->instance); |
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return $this->instance->forPage($page, $perPage)->get($columns); |
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} |
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/** |
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* Counts results for given query. |
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* |
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* @param Builder $query |
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* |
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* @return int |
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*/ |
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protected function countResults(Builder $query) |
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{ |
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$query = clone $query; |
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$query->getQuery()->aggregate = ['function' => 'count', 'columns' => $columns = ['*']]; |
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$query->getQuery()->orders = null; |
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$results = $query->getQuery()->get($columns); |
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if (isset($results[0])) { |
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return array_change_key_case((array) $results[0])['aggregate']; |
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} |
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} |
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/** |
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* Replace alias name in where closure with sub-queries from select. |
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* |
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* Example: |
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* |
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* SELECT table.*, (SELECT 1 FROM other_table ot WHERE ot.id = table.id) AS exists |
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* WHERE exists = 1; |
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* |
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* Will be converted to: |
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* |
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* SELECT table.*, (SELECT 1 FROM other_table ot WHERE ot.id = table.id) AS exists |
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* WHERE (SELECT 1 FROM other_table ot WHERE ot.id = table.id) = 1; |
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* |
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* @param Builder $query |
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* |
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* @return Builder |
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*/ |
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protected function parseAliases(Builder $query) |
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{ |
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$aliases = []; |
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if (!empty($query->getQuery()->columns)) { |
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$aliases = $this->getAliases($query); |
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} |
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if (!empty($aliases) && !empty($query->getQuery()->wheres)) { |
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$this->replaceAliases($query, $aliases); |
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} |
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return $query; |
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} |
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/** |
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* Get sub queries and aliases from select statement. |
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* |
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* @param Builder $query |
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* |
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* @return array |
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*/ |
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protected function getAliases(Builder $query) |
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{ |
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$aliases = []; |
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foreach ($query->getQuery()->columns as $column) { |
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if (preg_match("~AS (\w+)~i", $column, $matches)) { |
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$aliases[$matches[1]] = \DB::raw(str_replace($matches[0], '', $column)); |
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} |
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} |
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return $aliases; |
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} |
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/** |
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* Replace aliases in where statement with sub queries. |
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* |
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* @param Builder $query |
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* @param array $aliases |
380
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* |
381
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* @return void |
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*/ |
383
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protected function replaceAliases(Builder $query, $aliases) |
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{ |
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foreach ($query->getQuery()->wheres as $key => $value) { |
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if (in_array($value['column'], array_keys($aliases))) { |
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$query->getQuery()->wheres[$key]['column'] = $aliases[$value['column']]; |
388
|
|
|
} |
389
|
|
|
} |
390
|
|
|
} |
391
|
|
|
} |
392
|
|
|
|
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: