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<?php |
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|
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/** |
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* Suppress "error - 0 - No summary was found for this file" on phpdoc generation |
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* |
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* @package WPDataAccess\Utilities |
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*/ |
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|
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namespace WPDataAccess\Utilities { |
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|
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use WPDataAccess\Connection\WPDADB; |
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use WPDataAccess\WPDA; |
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|
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/** |
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* Class WPDA_Reverse_Engineering |
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* |
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* @author Peter Schulz |
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* @since 2.0.13 |
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*/ |
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class WPDA_Reverse_Engineering { |
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|
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/** |
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* Database connection |
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* |
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* @var null |
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*/ |
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protected $wpdadb = null; |
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|
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/** |
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* Database schema name |
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* |
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* @var string |
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*/ |
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protected $schema_name; |
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|
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/** |
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* Database table name |
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* |
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* @var string |
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*/ |
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protected $table_name; |
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|
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/** |
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* WPDA_Reverse_Engineering constructor |
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* |
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* @param string $table_name Database table name |
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* @param string $schema_name Database schema name |
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* |
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* @since 2.0.13 |
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*/ |
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public function __construct( $table_name, $schema_name ) { |
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$this->schema_name = $schema_name; |
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$this->table_name = $table_name; |
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|
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$this->wpdadb = WPDADB::get_db_connection( $this->schema_name ); |
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if ( null === $this->wpdadb ) { |
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/* translators: %s = database name */ |
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wp_die( sprintf( esc_attr__( 'ERROR - Remote database %s not available', 'wp-data-access' ), esc_attr( $this->schema_name ) ) ); |
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} |
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} |
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|
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/** |
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* Get table info in Data Designer format |
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* |
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* @param string $design_mode Possible values are: Basic or Advanced |
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* |
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* @return array Database table in Data Designer format |
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* |
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* @since 2.0.13 |
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*/ |
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public function get_designer_format( $design_mode ) { |
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$table_structure = array(); |
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|
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$tab = $this->get_table_info(); |
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$rows = $this->get_table_columns(); |
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$idxs = $this->get_table_indexes(); |
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|
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$idx_current = ''; |
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$idx_current_unique = ''; |
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$idx_current_columns = ''; |
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$idx_array = array(); |
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$fulltext_support = get_option( 'wpda_fulltext_support' ); |
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foreach ( $idxs as $idx ) { |
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if ( $idx['index_name'] !== $idx_current ) { |
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if ( $idx_current_columns !== '' ) { |
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$idx_array[] = array( |
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'index_name' => $idx_current, |
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'unique' => $idx_current_unique, |
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'column_names' => rtrim( $idx_current_columns, ',' ), |
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); |
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} |
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$idx_current = $idx['index_name']; |
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} |
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if ( 'on' === $fulltext_support ) { |
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if ( 'FULLTEXT' === $idx['index_type'] ) { |
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$idx_current_unique = 'FULLTEXT'; |
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} else { |
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$idx_current_unique = $idx['non_unique'] === '1' ? 'No' : 'Yes'; |
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} |
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} else { |
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$idx_current_unique = $idx['non_unique'] === '1' ? 'No' : 'Yes'; |
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} |
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$idx_current_columns = $idx['column_name'] . ','; |
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} |
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if ( $idx_current !== '' ) { |
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$idx_array[] = array( |
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'index_name' => $idx_current, |
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'unique' => $idx_current_unique, |
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'column_names' => rtrim( $idx_current_columns, ',' ), |
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); |
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} |
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|
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foreach ( $rows as $row ) { |
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$obj = (object) null; |
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$obj->column_name = $row['column_name']; |
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|
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$obj->data_type = $row['data_type']; |
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if ( stripos( $row['column_type'], 'unsigned' ) !== false ) { |
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$obj->type_attribute = 'unsigned'; |
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} elseif ( stripos( $row['column_type'], 'unsigned zerofill' ) !== false ) { |
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$obj->type_attribute = 'unsigned zerofill'; |
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} else { |
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$obj->type_attribute = ''; |
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} |
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|
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$obj->key = 'PRI' === $row['column_key'] ? 'Yes' : 'No'; |
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$obj->mandatory = 'YES' === $row['is_nullable'] ? 'No' : 'Yes'; |
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|
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$obj->max_length = ''; |
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$max_length_start = strpos( $row['column_type'], '(' ); |
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if ( |
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false !== $max_length_start && |
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'enum' !== $row['data_type'] && |
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'set' !== $row['data_type'] |
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) { |
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// Get max length from column_type |
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$max_length_end = strpos( $row['column_type'], ')' ); |
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if ( false != $max_length_end ) { |
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$obj->max_length = substr( $row['column_type'], $max_length_start + 1, $max_length_end - $max_length_start - 1 ); |
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} elseif ( null !== $row['character_maximum_length'] ) { |
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$obj->max_length = $row['character_maximum_length']; |
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} elseif ( null !== $row['numeric_precision'] ) { |
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$obj->max_length = $row['numeric_precision']; |
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if ( null !== $row['numeric_scale'] ) { |
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$obj->max_length .= ",{$row['numeric_scale']}"; |
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} |
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} |
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} |
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|
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$obj->extra = $row['extra']; |
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if ( '' !== $row['column_default'] && null !== $row['column_default'] ) { |
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$simple_data_type = WPDA::get_type( $obj->data_type ); |
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if ( 'number' === $simple_data_type || 'date' === $simple_data_type ) { |
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$obj->default = $row['column_default']; |
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} else { |
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$obj->default = "'{$row['column_default']}'"; |
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} |
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} else { |
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$obj->default = ''; |
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} |
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|
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$obj->list = ''; |
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if ( 'enum' === $row['data_type'] ) { |
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$obj->list = substr( substr( $row['column_type'], 5 ), 0, - 1 ); |
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} elseif ( 'set' === $row['data_type'] ) { |
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$obj->list = substr( substr( $row['column_type'], 4 ), 0, - 1 ); |
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} |
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|
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$table_structure[] = $obj; |
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} |
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|
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return array( |
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'design_mode' => $design_mode, |
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'engine' => $tab[0]['engine'], |
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'collation' => $tab[0]['table_collation'], |
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'table' => $table_structure, |
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'indexes' => $idx_array, |
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); |
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} |
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|
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/** |
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* Get database table info |
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* |
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* @return array Table info |
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* |
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* @since 2.0.13 |
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*/ |
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protected function get_table_info() { |
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$query = $this->wpdadb->prepare( |
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' |
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SELECT engine AS engine, |
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table_collation AS table_collation |
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FROM information_schema.tables |
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WHERE table_schema = %s |
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AND table_name = %s |
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', |
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array( |
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$this->wpdadb->dbname, |
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$this->table_name, |
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) |
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); |
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|
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return $this->wpdadb->get_results( $query, 'ARRAY_A' ); |
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} |
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|
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/** |
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* Get database column info |
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* |
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* @return array Table column info |
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* |
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* @since 2.0.13 |
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*/ |
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protected function get_table_columns() { |
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$query = $this->wpdadb->prepare( |
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' |
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SELECT column_name AS column_name, |
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data_type AS data_type, |
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column_type AS column_type, |
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is_nullable AS is_nullable, |
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column_default AS column_default, |
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column_key AS column_key, |
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extra AS extra, |
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character_maximum_length AS character_maximum_length, |
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numeric_precision AS numeric_precision, |
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numeric_scale AS numeric_scale |
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FROM information_schema.columns |
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WHERE table_schema = %s |
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AND table_name = %s |
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ORDER BY ordinal_position |
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', |
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array( |
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$this->wpdadb->dbname, |
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$this->table_name, |
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) |
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); |
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|
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return $this->wpdadb->get_results( $query, 'ARRAY_A' ); |
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} |
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|
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/** |
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* Get database index info |
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* |
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* @return array Index info |
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* |
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* @since 2.0.13 |
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*/ |
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protected function get_table_indexes() { |
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$query = $this->wpdadb->prepare( |
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" |
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SELECT index_name AS index_name, |
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column_name AS column_name, |
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non_unique AS non_unique, |
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index_type AS index_type |
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FROM information_schema.statistics |
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WHERE table_schema = %s |
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AND table_name = %s |
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AND index_name != 'PRIMARY' |
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ORDER BY index_name, column_name, seq_in_index |
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", |
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array( |
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$this->wpdadb->dbname, |
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$this->table_name, |
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) |
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); |
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|
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return $this->wpdadb->get_results( $query, 'ARRAY_A' ); |
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} |
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|
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} |
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|
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} |
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|
