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<?php |
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namespace TheCodingMachine\TDBM\Utils; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Platforms\AbstractPlatform; |
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use Doctrine\DBAL\Schema\ForeignKeyConstraint; |
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use TheCodingMachine\TDBM\ResultIterator; |
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use TheCodingMachine\TDBM\TDBMInvalidArgumentException; |
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/** |
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* @internal |
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*/ |
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class ManyToManyRelationshipPathDescriptor |
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{ |
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/** |
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* @var string Unquoted identifier of the target table |
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*/ |
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private $targetTable; |
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/** |
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* @var string Unquoted identifier of the pivot table |
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*/ |
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private $pivotTable; |
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/** |
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* @var array |
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*/ |
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private $joinForeignKeys; |
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/** |
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* @var array |
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*/ |
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private $joinLocalKeys; |
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/** |
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* @var array |
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*/ |
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private $whereKeys; |
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/** |
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* @var class-string |
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*/ |
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private $resultIteratorClass; |
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/** |
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* @param string[] $joinForeignKeys |
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* @param string[] $joinLocalKeys |
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* @param string[] $whereKeys |
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* @param class-string $resultIteratorClass |
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*/ |
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public function __construct(string $targetTable, string $pivotTable, array $joinForeignKeys, array $joinLocalKeys, array $whereKeys, string $resultIteratorClass) |
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{ |
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assert(is_a($resultIteratorClass, ResultIterator::class, true), new TDBMInvalidArgumentException('$resultIteratorClass should be a `'. ResultIterator::class. '`. `' . $resultIteratorClass . '` provided.')); |
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$this->targetTable = $targetTable; |
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$this->pivotTable = $pivotTable; |
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$this->joinForeignKeys = $joinForeignKeys; |
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$this->joinLocalKeys = $joinLocalKeys; |
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$this->whereKeys = $whereKeys; |
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$this->resultIteratorClass = $resultIteratorClass; |
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} |
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public static function generateModelKey(ForeignKeyConstraint $remoteFk, ForeignKeyConstraint $localFk): string |
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{ |
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return $remoteFk->getLocalTableName() . "." . implode("__", $localFk->getUnquotedLocalColumns()); |
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} |
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public function getPivotName(): string |
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{ |
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return $this->pivotTable; |
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} |
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public function getTargetName(): string |
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{ |
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return $this->targetTable; |
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} |
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/** |
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* Get the `FROM` clause of the query. |
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* |
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* This may have issue handling namespaced table (e.g. mydb.table) |
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*/ |
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public function getPivotFrom(AbstractPlatform $platform): string |
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{ |
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$mainTable = $this->targetTable; |
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$pivotTable = $this->pivotTable; |
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$join = []; |
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foreach ($this->joinForeignKeys as $key => $column) { |
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$join[] = sprintf( |
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'%s.%s = %s.%s', |
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$platform->quoteIdentifier($mainTable), |
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$platform->quoteIdentifier($column), |
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$platform->quoteIdentifier($pivotTable), |
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$platform->quoteIdentifier($this->joinLocalKeys[$key]) |
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); |
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} |
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return $platform->quoteIdentifier($mainTable) . ' JOIN ' . $platform->quoteIdentifier($pivotTable) . ' ON ' . implode(' AND ', $join); |
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} |
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/** |
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* Get the `WHERE` clause of the query. |
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* |
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* This may have issue handling namespaced table (e.g. mydb.table) |
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*/ |
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public function getPivotWhere(AbstractPlatform $platform): string |
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{ |
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$paramList = []; |
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foreach ($this->whereKeys as $key => $column) { |
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$paramList[] = sprintf('%s.%s = :param%s', $platform->quoteIdentifier($this->pivotTable), $platform->quoteIdentifier($column), $key); |
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} |
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return implode(' AND ', $paramList); |
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} |
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/** |
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* @param string[] $primaryKeys |
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* @return string[] |
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*/ |
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public function getPivotParams(array $primaryKeys): array |
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{ |
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$params = []; |
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foreach ($primaryKeys as $key => $primaryKeyValue) { |
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$params['param' . $key] = $primaryKeyValue; |
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} |
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return $params; |
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} |
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/** |
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* @return class-string |
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*/ |
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public function getResultIteratorClass(): string |
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{ |
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return $this->resultIteratorClass; |
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} |
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} |
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