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<?php |
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declare(strict_types = 1); |
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namespace Infrastructure\Database; |
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use DataSource\Connection; |
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use BasePatterns\RecordSet\Row; |
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use BasePatterns\RecordSet\RecordSet; |
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use DataSource\TableDataGateway\DataAdapter; |
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class DbDataAdapter implements DataAdapter |
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{ |
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private string $query; |
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private Connection $connection; |
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public function __construct(string $query, Connection $connection) |
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{ |
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$this->query = $query; |
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$this->connection = $connection; |
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} |
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public function update(RecordSet $data, string $tableName): int |
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{ |
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foreach ($data->getTable($tableName)->getRows() as $row) { |
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$this->updateRow($tableName, $row); |
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} |
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return 0; |
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} |
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public function fill(RecordSet $data, string $tableName): int |
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{ |
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$traversable = $this->connection |
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->prepare($this->query) |
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->executeQuery(); |
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$data->load($traversable, $tableName); |
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return $data->count(); |
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} |
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private function updateRow(string $tableName, Row $row): void |
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{ |
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if (!$row->hasChanges()) { |
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return; |
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} |
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list($sqlCommand, $binds) = $this->createSqlForUpdate($tableName, $row->getChanges()); |
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$this->connection |
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->prepare($sqlCommand) |
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->execute($binds); |
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} |
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private function createSqlForUpdate(string $tableName, array $changes): array |
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{ |
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$sqlArray = []; |
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$binds = []; |
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foreach ($changes as $field => $value) { |
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$sqlArray[] = sprintf("`%s`.%s = ?", $tableName, $field); |
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$binds[] = $value; |
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} |
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return [ |
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sprintf('UPDATE `%s` SET %s', $tableName, implode(', ', $sqlArray)), |
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$binds |
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]; |
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} |
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} |
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akDeveloper /
patterns-eaa-in-php
