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<?php |
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namespace Staudenmeir\LaravelAdjacencyList\Eloquent\Traits; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Relations\BelongsToMany; |
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use Staudenmeir\LaravelAdjacencyList\Eloquent\Graph\Collection; |
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use Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Ancestors; |
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use Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Descendants; |
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trait HasGraphAdjacencyList |
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{ |
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use HasGraphRelationshipScopes; |
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/** |
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* The additional constraint for the recursive query. |
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* |
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* @var callable|null |
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*/ |
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public static $recursiveQueryConstraint; |
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/** |
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* Get the name of the pivot table. |
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* |
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* @return string |
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*/ |
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abstract public function getPivotTableName(): string; |
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/** |
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* Get the name of the parent key column. |
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* |
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* @return string |
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*/ |
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public function getParentKeyName(): string |
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{ |
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return 'parent_id'; |
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} |
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/** |
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* Get the qualified parent key column. |
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* |
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* @return string |
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*/ |
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public function getQualifiedParentKeyName() |
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{ |
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return $this->getPivotTableName() . '.' . $this->getParentKeyName(); |
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} |
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/** |
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* Get the name of the child key column. |
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* |
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* @return string |
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*/ |
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public function getChildKeyName(): string |
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{ |
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return 'child_id'; |
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} |
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/** |
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* Get the qualified child key column. |
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* |
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* @return string |
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*/ |
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public function getQualifiedChildKeyName() |
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{ |
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return $this->getPivotTableName() . '.' . $this->getChildKeyName(); |
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} |
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/** |
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* Get the name of the local key column. |
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* |
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* @return string |
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*/ |
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public function getLocalKeyName(): string |
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{ |
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return $this->getKeyName(); |
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} |
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/** |
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* Get the qualified local key column. |
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* |
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* @return string |
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*/ |
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public function getQualifiedLocalKeyName(): string |
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{ |
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return $this->qualifyColumn( |
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$this->getLocalKeyName() |
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); |
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} |
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/** |
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* Get the name of the depth column. |
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* |
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* @return string |
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*/ |
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public function getDepthName(): string |
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{ |
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return 'depth'; |
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} |
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/** |
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* Get the name of the path column. |
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* |
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* @return string |
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*/ |
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public function getPathName(): string |
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{ |
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return 'path'; |
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} |
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/** |
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* Get the path separator. |
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* |
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* @return string |
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*/ |
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public function getPathSeparator(): string |
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{ |
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return '.'; |
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} |
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/** |
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* Get the additional custom paths. |
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* |
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* @return array |
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*/ |
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public function getCustomPaths(): array |
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{ |
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return []; |
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} |
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/** |
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* Get the pivot table columns to retrieve. |
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* |
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* @return array |
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*/ |
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public function getPivotColumns(): array |
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{ |
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return []; |
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} |
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/** |
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* Get the name of the common table expression. |
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* |
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* @return string |
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*/ |
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public function getExpressionName(): string |
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return 'laravel_cte'; |
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} |
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/** |
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* Whether to enable cycle detection. |
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* |
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* @return bool |
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*/ |
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public function enableCycleDetection(): bool |
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{ |
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return false; |
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} |
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/** |
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* Whether to include the first row of the cycle in the query results. |
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* |
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* @return bool |
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*/ |
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public function includeCycleStart(): bool |
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{ |
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return false; |
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} |
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/** |
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* Get the name of the cycle detection column. |
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* |
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* @return string |
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*/ |
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public function getCycleDetectionColumnName(): string |
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{ |
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return 'is_cycle'; |
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} |
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/** |
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* Get the model's ancestors. |
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* |
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* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Ancestors<static> |
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*/ |
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public function ancestors(): Ancestors |
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{ |
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return $this->newAncestors( |
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(new static())->newQuery(), |
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$this, |
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$this->getPivotTableName(), |
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$this->getParentKeyName(), |
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$this->getChildKeyName(), |
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$this->getLocalKeyName(), |
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$this->getLocalKeyName(), |
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false |
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); |
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} |
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/** |
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* Get the model's ancestors and itself. |
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* |
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* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Ancestors<static> |
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*/ |
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public function ancestorsAndSelf(): Ancestors |
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{ |
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return $this->newAncestors( |
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(new static())->newQuery(), |
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$this, |
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$this->getPivotTableName(), |
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$this->getParentKeyName(), |
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$this->getChildKeyName(), |
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$this->getLocalKeyName(), |
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$this->getLocalKeyName(), |
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true |
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); |
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} |
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/** |
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* Instantiate a new Ancestors relationship. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $query |
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* @param \Illuminate\Database\Eloquent\Model $parent |
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* @param string $table |
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* @param string $foreignPivotKey |
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* @param string $relatedPivotKey |
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* @param string $parentKey |
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* @param string $relatedKey |
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* @param bool $andSelf |
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* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Ancestors<static> |
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*/ |
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protected function newAncestors( |
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Builder $query, |
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Model $parent, |
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string $table, |
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string $foreignPivotKey, |
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string $relatedPivotKey, |
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string $parentKey, |
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string $relatedKey, |
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bool $andSelf |
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): Ancestors { |
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return new Ancestors( |
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$query, |
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$parent, |
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$table, |
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$foreignPivotKey, |
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$relatedPivotKey, |
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$parentKey, |
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$relatedKey, |
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$andSelf |
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); |
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} |
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/** |
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* Get the model's children. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\BelongsToMany<static> |
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*/ |
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public function children(): BelongsToMany |
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{ |
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return $this->belongsToMany( |
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static::class, |
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$this->getPivotTableName(), |
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$this->getParentKeyName(), |
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$this->getChildKeyName(), |
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$this->getLocalKeyName(), |
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$this->getLocalKeyName() |
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)->withPivot( |
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$this->getPivotColumns() |
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); |
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} |
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/** |
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* Get the model's children and itself. |
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* |
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* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Descendants<static> |
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*/ |
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public function childrenAndSelf(): Descendants |
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{ |
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return $this->descendantsAndSelf()->whereDepth('<=', 1); |
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} |
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/** |
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* Get the model's descendants. |
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* |
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* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Descendants<static> |
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*/ |
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public function descendants(): Descendants |
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{ |
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return $this->newDescendants( |
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(new static())->newQuery(), |
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$this, |
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$this->getPivotTableName(), |
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$this->getParentKeyName(), |
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$this->getChildKeyName(), |
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$this->getLocalKeyName(), |
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$this->getLocalKeyName(), |
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false |
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); |
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} |
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/** |
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* Get the model's descendants and itself. |
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* |
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* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Descendants<static> |
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*/ |
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public function descendantsAndSelf(): Descendants |
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{ |
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return $this->newDescendants( |
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(new static())->newQuery(), |
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$this, |
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$this->getPivotTableName(), |
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$this->getParentKeyName(), |
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$this->getChildKeyName(), |
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$this->getLocalKeyName(), |
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$this->getLocalKeyName(), |
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true |
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); |
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} |
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/** |
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* Instantiate a new Descendants relationship. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $query |
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* @param \Illuminate\Database\Eloquent\Model $parent |
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* @param string $table |
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* @param string $foreignPivotKey |
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* @param string $relatedPivotKey |
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* @param string $parentKey |
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* @param string $relatedKey |
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* @param bool $andSelf |
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* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Descendants<static> |
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*/ |
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protected function newDescendants( |
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Builder $query, |
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Model $parent, |
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string $table, |
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string $foreignPivotKey, |
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string $relatedPivotKey, |
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string $parentKey, |
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string $relatedKey, |
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bool $andSelf |
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): Descendants { |
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return new Descendants( |
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$query, |
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$parent, |
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$table, |
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$foreignPivotKey, |
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$relatedPivotKey, |
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$parentKey, |
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$relatedKey, |
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$andSelf |
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); |
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} |
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/** |
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* Get the model's parents. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\BelongsToMany<static> |
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*/ |
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public function parents(): BelongsToMany |
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{ |
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return $this->belongsToMany( |
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static::class, |
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$this->getPivotTableName(), |
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$this->getChildKeyName(), |
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$this->getParentKeyName(), |
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$this->getLocalKeyName(), |
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$this->getLocalKeyName() |
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)->withPivot( |
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$this->getPivotColumns() |
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); |
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} |
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/** |
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* Get the model's parents and itself. |
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* |
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* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Relations\Graph\Ancestors<static> |
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4 |
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*/ |
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public function parentsAndSelf(): Ancestors |
382
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{ |
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return $this->ancestorsAndSelf()->whereDepth('>=', -1); |
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|
384
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} |
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/** |
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* Get the first segment of the model's path. |
388
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* |
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* @return string |
390
|
88 |
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*/ |
391
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public function getFirstPathSegment(): string |
392
|
88 |
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{ |
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|
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$path = $this->attributes[$this->getPathName()]; |
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|
88 |
|
|
395
|
|
|
return explode($this->getPathSeparator(), $path)[0]; |
396
|
|
|
} |
397
|
|
|
|
398
|
|
|
/** |
399
|
|
|
* Determine if an attribute is an integer. |
400
|
|
|
* |
401
|
|
|
* @param string $attribute |
402
|
|
|
* @return bool |
403
|
68 |
|
*/ |
404
|
|
|
public function isIntegerAttribute(string $attribute): bool |
405
|
68 |
|
{ |
406
|
68 |
|
$segments = explode('.', $attribute); |
407
|
|
|
$attribute = end($segments); |
408
|
68 |
|
|
409
|
|
|
$casts = $this->getCasts(); |
|
|
|
|
410
|
68 |
|
|
411
|
|
|
return isset($casts[$attribute]) && in_array($casts[$attribute], ['int', 'integer']); |
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
/** |
415
|
|
|
* Create a new Eloquent query builder for the model. |
416
|
|
|
* |
417
|
|
|
* @param \Illuminate\Database\Query\Builder $query |
418
|
|
|
* @return \Illuminate\Database\Eloquent\Builder|static |
419
|
280 |
|
*/ |
420
|
|
|
public function newEloquentBuilder($query) |
421
|
280 |
|
{ |
422
|
|
|
return new \Staudenmeir\LaravelAdjacencyList\Eloquent\Builder($query); |
423
|
|
|
} |
424
|
|
|
|
425
|
|
|
/** |
426
|
|
|
* Create a new Eloquent Collection instance. |
427
|
|
|
* |
428
|
|
|
* @param array $models |
429
|
|
|
* @return \Staudenmeir\LaravelAdjacencyList\Eloquent\Graph\Collection |
430
|
5 |
|
*/ |
431
|
|
|
public function newCollection(array $models = []) |
432
|
5 |
|
{ |
433
|
|
|
return new Collection($models); |
|
|
|
|
434
|
|
|
} |
435
|
|
|
|
436
|
|
|
/** |
437
|
|
|
* Set an additional constraint for the recursive query. |
438
|
|
|
* |
439
|
|
|
* @param callable $constraint |
440
|
5 |
|
* @return void |
441
|
|
|
*/ |
442
|
5 |
|
public static function setRecursiveQueryConstraint(callable $constraint): void |
443
|
|
|
{ |
444
|
|
|
static::$recursiveQueryConstraint = $constraint; |
445
|
|
|
} |
446
|
|
|
|
447
|
|
|
/** |
448
|
|
|
* Unset the additional constraint for the recursive query. |
449
|
|
|
* |
450
|
|
|
* @return void |
451
|
|
|
*/ |
452
|
15 |
|
public static function unsetRecursiveQueryConstraint(): void |
453
|
|
|
{ |
454
|
15 |
|
static::$recursiveQueryConstraint = null; |
455
|
|
|
} |
456
|
15 |
|
|
457
|
|
|
/** |
458
|
15 |
|
* Execute a query with an additional constraint for the recursive query. |
459
|
|
|
* |
460
|
15 |
|
* @param callable $constraint |
461
|
|
|
* @param callable $query |
462
|
15 |
|
* @return mixed |
463
|
|
|
*/ |
464
|
|
|
public static function withRecursiveQueryConstraint(callable $constraint, callable $query): mixed |
465
|
|
|
{ |
466
|
|
|
$previous = static::$recursiveQueryConstraint; |
467
|
|
|
|
468
|
|
|
static::$recursiveQueryConstraint = $constraint; |
469
|
|
|
|
470
|
|
|
$result = $query(); |
471
|
|
|
|
472
|
10 |
|
static::$recursiveQueryConstraint = $previous; |
473
|
|
|
|
474
|
10 |
|
return $result; |
475
|
|
|
} |
476
|
10 |
|
|
477
|
10 |
|
/** |
478
|
10 |
|
* Execute a query with a maximum depth constraint for the recursive query. |
479
|
10 |
|
* |
480
|
|
|
* @param int $maxDepth |
481
|
|
|
* @param callable $query |
482
|
|
|
* @return mixed |
483
|
|
|
*/ |
484
|
|
|
public static function withMaxDepth(int $maxDepth, callable $query): mixed |
485
|
|
|
{ |
486
|
|
|
$operator = $maxDepth > 0 ? '<' : '>'; |
487
|
|
|
|
488
|
|
|
return static::withRecursiveQueryConstraint( |
489
|
|
|
fn (Builder $query) => $query->whereDepth($operator, $maxDepth), |
490
|
|
|
$query |
491
|
|
|
); |
492
|
|
|
} |
493
|
|
|
} |
494
|
|
|
|
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.