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<?php |
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namespace Staudenmeir\EloquentJsonRelations\Relations\Traits; |
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use Illuminate\Contracts\Database\Query\Builder; |
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use Illuminate\Contracts\Support\Arrayable; |
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use Illuminate\Database\Eloquent\Collection; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Relations\Pivot; |
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use RuntimeException; |
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use Staudenmeir\EloquentJsonRelations\Grammars\JsonGrammar; |
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use Staudenmeir\EloquentJsonRelations\Grammars\MySqlGrammar; |
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use Staudenmeir\EloquentJsonRelations\Grammars\PostgresGrammar; |
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use Staudenmeir\EloquentJsonRelations\Grammars\SQLiteGrammar; |
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use Staudenmeir\EloquentJsonRelations\Grammars\SqlServerGrammar; |
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trait IsJsonRelation |
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{ |
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/** |
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* The base path of the foreign key. |
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* |
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* @var string |
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*/ |
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protected $path; |
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/** |
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* The optional object key of the foreign key. |
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* |
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* @var string |
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*/ |
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protected $key; |
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/** |
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* Hydrate the pivot relationship on the models. |
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* |
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* @param \Illuminate\Database\Eloquent\Collection $models |
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* @param \Illuminate\Database\Eloquent\Model $parent |
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* @param callable $callback |
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* @return \Illuminate\Database\Eloquent\Collection |
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*/ |
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public function hydratePivotRelation(Collection $models, Model $parent, callable $callback): Collection |
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{ |
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foreach ($models as $i => $model) { |
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$clone = clone $model; |
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$models[$i] = $clone->setRelation( |
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$this->getPivotAccessor(), |
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$this->pivotRelation($clone, $parent, $callback) |
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); |
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} |
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return $models; |
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} |
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/** |
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* Get the pivot relationship from the query. |
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* |
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* @param \Illuminate\Database\Eloquent\Model $model |
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* @param \Illuminate\Database\Eloquent\Model $parent |
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* @param callable $callback |
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* @return \Illuminate\Database\Eloquent\Model |
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*/ |
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protected function pivotRelation(Model $model, Model $parent, callable $callback) |
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{ |
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$records = $callback($model, $parent); |
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if ($records instanceof Arrayable) { |
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$records = $records->toArray(); |
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} |
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$attributes = $this->pivotAttributes($model, $parent, $records); |
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return Pivot::fromAttributes($model, $attributes, null, true); |
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} |
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/** |
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* Get the pivot attributes from a model. |
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* |
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* @param \Illuminate\Database\Eloquent\Model $model |
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* @param \Illuminate\Database\Eloquent\Model $parent |
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* @param array $records |
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* @return array |
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*/ |
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abstract public function pivotAttributes(Model $model, Model $parent, array $records); |
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/** |
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* Execute the query and get the first related model. |
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* |
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* @param array $columns |
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* @return mixed |
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*/ |
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public function first($columns = ['*']) |
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{ |
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return $this->take(1)->get($columns)->first(); |
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} |
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/** |
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* Get the fully qualified path of the relationship. |
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* |
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* @return string |
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*/ |
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public function getQualifiedPath() |
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{ |
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return $this->parent->qualifyColumn($this->path); |
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} |
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/** |
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* Add a “where JSON contains” or "member of" clause to the query. |
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* |
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* @param \Illuminate\Contracts\Database\Query\Builder $query |
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* @param string $column |
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* @param mixed $value |
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* @param callable|null $objectValueCallback |
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* @param string $boolean |
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* @return void |
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*/ |
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protected function whereJsonContainsOrMemberOf( |
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Builder $query, |
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string $column, |
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mixed $value, |
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callable $objectValueCallback = null, |
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string $boolean = 'and' |
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): void { |
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$grammar = $this->getJsonGrammar($query); |
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$connection = $query->getConnection(); |
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if ($grammar->supportsMemberOf($connection)) { |
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$query->whereRaw( |
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$grammar->compileMemberOf($column, $this->key, $value), |
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$grammar->prepareBindingsForMemberOf($value), |
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$boolean |
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); |
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} else { |
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$value = $this->key && $objectValueCallback ? $objectValueCallback($value) : $value; |
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$query->whereJsonContains($column, $value, $boolean); |
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} |
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} |
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/** |
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* Get the JSON grammar. |
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* |
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* @param \Illuminate\Contracts\Database\Query\Builder $query |
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* @return \Staudenmeir\EloquentJsonRelations\Grammars\JsonGrammar |
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*/ |
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protected function getJsonGrammar(Builder $query): JsonGrammar |
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{ |
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$driver = $query->getConnection()->getDriverName(); |
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return $query->getConnection()->withTablePrefix( |
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match ($driver) { |
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'mysql' => new MySqlGrammar(), |
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'pgsql' => new PostgresGrammar(), |
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'sqlite' => new SQLiteGrammar(), |
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'sqlsrv' => new SqlServerGrammar(), |
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default => throw new RuntimeException('This database is not supported.') // @codeCoverageIgnore |
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} |
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); |
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} |
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/** |
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* Get the name of the pivot accessor for this relationship. |
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* |
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* @return string |
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*/ |
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public function getPivotAccessor(): string |
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{ |
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return 'pivot'; |
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} |
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/** |
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* Get the base path of the foreign key. |
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* |
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* @return string |
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*/ |
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public function getForeignKeyPath(): string |
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{ |
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return $this->path; |
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} |
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} |
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