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<?php |
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namespace SetBased\Audit\MySql\Sql; |
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use SetBased\Audit\MySql\AuditDataLayer; |
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use SetBased\Audit\MySql\Metadata\TableColumnsMetadata; |
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use SetBased\Helper\CodeStore\MySqlCompoundSyntaxCodeStore; |
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/** |
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* Class for creating SQL statements for creating audit tables. |
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*/ |
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class CreateAuditTable |
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{ |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* The name of the audit schema. |
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* |
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* @var string |
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*/ |
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private $auditSchemaName; |
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/** |
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* The name of the table. |
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* |
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* @var TableColumnsMetadata |
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*/ |
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private $columns; |
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/** |
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* The name of the data schema. |
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* |
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* @var string |
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*/ |
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private $dataSchemaName; |
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/** |
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* The name of the table. |
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* |
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* @var string |
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*/ |
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private $tableName; |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Object constructor. |
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* |
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* @param string $dataSchemaName The name of the data schema. |
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* @param string $auditSchemaName The name of the audit schema. |
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* @param string $tableName The name of the table. |
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* @param TableColumnsMetadata $columns The metadata of the columns of the audit table (i.e. the audit |
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* columns and columns of the data table). |
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*/ |
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public function __construct($dataSchemaName, |
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$auditSchemaName, |
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$tableName, |
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$columns) |
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{ |
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$this->dataSchemaName = $dataSchemaName; |
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$this->auditSchemaName = $auditSchemaName; |
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$this->tableName = $tableName; |
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$this->columns = $columns; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns a SQL statement for creating the audit table. |
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* |
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* @return string |
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*/ |
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public function buildStatement() |
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{ |
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$code = new MySqlCompoundSyntaxCodeStore(); |
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$code->append(sprintf('create table `%s`.`%s`', $this->auditSchemaName, $this->tableName)); |
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// Create SQL for columns. |
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$code->append('('); |
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$code->append($this->getColumnDefinitions()); |
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// Create SQL for table options. |
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$tableOptions = AuditDataLayer::getTableOptions($this->dataSchemaName, $this->tableName); |
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$code->append(sprintf(') engine=%s character set=%s collate=%s', |
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$tableOptions['engine'], |
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$tableOptions['character_set_name'], |
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$tableOptions['table_collation'])); |
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return $code->getCode(); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns an array with SQL code for column definitions. |
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* |
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* @return string[] |
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*/ |
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private function getColumnDefinitions() |
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{ |
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$lines = []; |
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$columns = $this->columns->getColumns(); |
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$maxLength = $this->columns->getLongestColumnNameLength(); |
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foreach ($columns as $column) |
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{ |
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$name = $column->getName(); |
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$filler = str_repeat(' ', $maxLength - mb_strlen($name) + 1); |
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$line = sprintf(' `%s`%s%s', $name, $filler, $column->getColumnDefinition()); |
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if (end($columns)!==$column) |
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{ |
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$line .= ','; |
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} |
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$lines[] = $line; |
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} |
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return $lines; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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} |
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//---------------------------------------------------------------------------------------------------------------------- |
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|
SetBased /
php-audit
