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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 WPDataProjects\List_Table |
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*/ |
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|
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namespace WPDataProjects\List_Table { |
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|
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use WPDataAccess\Connection\WPDADB; |
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use WPDataAccess\WPDA; |
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use WPDataAccess\List_Table\WPDA_List_Table; |
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use WPDataProjects\Data_Dictionary\WPDP_List_Columns_Cache; |
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use WPDataAccess\Plugin_Table_Models\WPDP_Project_Design_Table_Model; |
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|
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/** |
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* Class WPDP_List_Table_Lookup extends WPDA_List_Table |
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* |
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* This class implements the lookup functionality. A lookup is the opposite of a one to many relationship. |
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* (1) A lookup provides the user with a listbox of possible values |
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* (2) A lookup offers the user comfort to search in lookup strings (e.g. titles or descriptions) |
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* |
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* @see WPDA_List_Table |
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* |
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* @author Peter Schulz |
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* @since 2.0.0 |
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*/ |
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class WPDP_List_Table_Lookup extends WPDA_List_Table { |
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|
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/** |
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* Column options for the given table |
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* |
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* @var array|null |
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*/ |
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protected $column_options_listtable; |
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|
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/** |
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* Options set name |
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* |
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* @var string |
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*/ |
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protected $setname = 'default'; |
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|
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protected $page_id = null; |
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protected $has_default_where = false; |
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|
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/** |
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* WPDP_List_Table_Lookup constructor |
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* |
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* @param array $args |
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* |
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* @see WPDA_List_Table |
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*/ |
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public function __construct( $args = array() ) { |
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$args['pid'] = isset( $args['pid'] ) ? $args['pid'] : ''; |
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|
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parent::__construct( $args ); |
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|
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$this->setname = $this->wpda_list_columns->get_setname(); |
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$this->column_options_listtable = WPDP_Project_Design_Table_Model::get_column_options( $this->table_name, 'listtable', $this->setname, $this->schema_name ); |
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$this->has_default_where = isset( $args['where_clause'] ) && null !== $args['where_clause'] && '' !== trim( $args['where_clause'] ); |
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$this->page_id = $args['pid']; |
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} |
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|
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/** |
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* Overwrites method get_sortable_columns |
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* |
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* @return array |
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* @see WPDA_List_Table::get_sortable_columns() |
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*/ |
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public function get_sortable_columns() { |
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if ( false !== strpos( $this->orderby, '-' ) ) { |
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return array(); |
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} |
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|
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if ( null != $this->column_options_listtable ) { |
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$columns = array(); |
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foreach ( $this->column_options_listtable as $column_option ) { |
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if ( isset( $column_option->lookup ) && $column_option->lookup !== false ) { |
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// Sorting on lookup columns is not possible. |
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} else { |
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$columns[ $column_option->column_name ] = array( $column_option->column_name, false ); |
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} |
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} |
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|
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return $columns; |
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} else { |
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return parent::get_sortable_columns(); |
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} |
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} |
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|
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/** |
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* Overwrites method column_default |
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* |
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* @param array $item List of all available items |
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* @param string $column_name Database column name |
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* |
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* @return mixed|string |
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* @see WPDA_List_Table::column_default() |
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*/ |
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public function column_default( $item, $column_name ) { |
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if ( null != $this->column_options_listtable ) { |
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foreach ( $this->column_options_listtable as $column_option ) { |
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if ( isset( $column_option->lookup ) ) { |
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if ( $column_option->column_name === $column_name && $column_option->lookup !== false ) { |
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$column_options_relationships = WPDP_Project_Design_Table_Model::get_column_options( $this->table_name, 'relationships', $this->setname, $this->schema_name ); |
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if ( null !== $column_options_relationships ) { |
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foreach ( $column_options_relationships['relationships'] as $column_options_relationship ) { |
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if ( |
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( |
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'lookup' === $column_options_relationship->relation_type || |
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'autocomplete' === $column_options_relationship->relation_type |
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) && |
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$column_options_relationship->source_column_name[0] === $column_name |
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) { |
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if ( isset( $column_options_relationship->target_schema_name ) ) { |
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$target_schema_name = $column_options_relationship->target_schema_name; |
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} else { |
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$target_schema_name = $this->schema_name; |
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} |
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$target_table_name = $column_options_relationship->target_table_name; |
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$target_column_name = $column_options_relationship->target_column_name[0]; |
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|
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$data_type = null; |
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foreach ( $column_options_relationships['table'] as $tableinfo ) { |
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if ( $tableinfo->column_name === $column_name ) { |
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$data_type = $tableinfo->data_type; |
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} |
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} |
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|
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$wpdadb = WPDADB::get_db_connection( $target_schema_name ); |
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if ( null !== $wpdadb ) { |
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$where = ''; |
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for ( $i = 1; $i < count( $column_options_relationship->source_column_name ); $i++ ) { // phpcs:ignore -- 8.1 proof |
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if ( isset( $item[ $column_options_relationship->source_column_name[ $i ] ] ) ) { |
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$value = $item[ $column_options_relationship->source_column_name[ $i ] ]; |
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$data_type_lookup = null; |
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foreach ( $column_options_relationships['table'] as $tableinfo ) { |
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if ( $tableinfo->column_name === $column_options_relationship->source_column_name[ $i ] ) { |
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$data_type_lookup = $tableinfo->data_type; |
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} |
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} |
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if ( 'number' == WPDA::get_type( $data_type_lookup ) ) { |
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$where .= $wpdadb->prepare( " and {$column_options_relationship->target_column_name[ $i ]} = %d", array( $value ) ); |
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} else { |
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$where .= $wpdadb->prepare( " and {$column_options_relationship->target_column_name[ $i ]} = %s", array( $value ) ); |
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} |
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} |
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} |
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|
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$lookup_value = $this->column_lookup( |
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$target_column_name, |
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$target_table_name, |
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$column_option->lookup, |
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$item[ $column_name ], |
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$data_type, |
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$where, |
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$target_schema_name |
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); |
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|
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$item[ "lookup_id_$column_name" ] = $item[ $column_name ]; |
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$item[ "lookup_column_$column_name" ] = $column_option->lookup; |
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$item[ "lookup_value_$column_name" ] = null === $lookup_value || '' === $lookup_value ? '' : $lookup_value; |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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|
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return parent::column_default( $item, $column_name ); |
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} |
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|
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/** |
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* Performs lookup query |
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* |
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* @param string $target_column_name Lookup key column |
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* @param string $target_table_name Lookup table name |
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* @param string $source_column_name Source column name |
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* @param mixed $value Lookup key value |
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* @param string $data_type Lookup key data type |
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* @param string $and Extension of where clause |
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* @param string $target_schema_name Database schema name |
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* |
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* @return mixed Lookup value |
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*/ |
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protected function column_lookup( $target_column_name, $target_table_name, $source_column_name, $value, $data_type, $and, $target_schema_name ) { |
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$wpdadb = WPDADB::get_db_connection( $target_schema_name ); |
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if ( $wpdadb === null ) { |
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return null; |
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} |
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|
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// Value is taken from database query. No need to prepare. |
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if ( '' === $target_schema_name ) { |
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$lookup_sql_table_name = '`' . str_replace( '`', '', $target_table_name ) . '`'; |
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} else { |
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$lookup_sql_table_name = "`{$wpdadb->dbname}`.`" . str_replace( '`', '', $target_table_name ) . '`'; |
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} |
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$sql = 'select `' . str_replace( '`', '', $source_column_name ) . "` from $lookup_sql_table_name where `" . str_replace( '`', '', $target_column_name ) . '` = '; |
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if ( 'number' === WPDA::get_type( $data_type ) ) { |
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$sql = $wpdadb->prepare( $sql . "%d $and", array( $value ) ); |
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} else { |
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$sql = $wpdadb->prepare( $sql . "%s $and", array( $value ) ); |
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} |
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$set = $wpdadb->get_results( $sql, 'ARRAY_A' ); |
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|
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if ( 1 === $wpdadb->num_rows ) { |
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return $set[0][ $source_column_name ]; |
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} else { |
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return null; |
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} |
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} |
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|
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/** |
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* Constructs the where clause |
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* |
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* Uses the table options to determine lookup table and columns. A subquery is added if a lookup is found. |
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*/ |
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protected function construct_where_clause() { |
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$perform_default_method = true; |
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if ( null !== $this->search_value && '' !== $this->search_value ) { |
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if ( null != $this->column_options_listtable ) { |
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global $wpdb; |
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$nowhere = ( '' === $this->where ); |
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$search_values = '%' . esc_attr( $this->search_value ) . '%'; |
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$where_current = ''; |
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$where_first = true; |
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foreach ( $this->column_options_listtable as $column_option ) { |
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if ( isset( $column_option->lookup ) && $column_option->lookup !== false ) { |
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// Add a subquery for text columns. |
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$column_options_relationships = WPDP_Project_Design_Table_Model::get_column_options( $this->table_name, 'relationships', $this->setname, $this->schema_name ); |
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if ( null !== $column_options_relationships ) { |
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foreach ( $column_options_relationships['relationships'] as $column_options_relationship ) { |
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if ( |
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( |
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'lookup' === $column_options_relationship->relation_type || |
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'autocomplete' === $column_options_relationship->relation_type |
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) && |
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$column_options_relationship->source_column_name[0] === $column_option->column_name |
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) { |
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$target_table_name = str_replace( '`', '', $column_options_relationship->target_table_name ); |
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$target_column_name = str_replace( '`', '', $column_options_relationship->target_column_name[0] ); |
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|
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$relationship_table = WPDP_List_Columns_Cache::get_list_columns( $wpdb->dbname, $target_table_name, 'listtable', $this->setname ); |
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$relationship_table_columns = $relationship_table->get_table_columns(); |
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foreach ( $relationship_table_columns as $relationship_table_column ) { |
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if ( $column_option->lookup === $relationship_table_column['column_name'] ) { |
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if ( 'varchar' === $relationship_table_column['data_type'] || 'enum' === $relationship_table_column['data_type'] ) { |
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if ( '' === $this->schema_name ) { |
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$lookup_sql_table_name = "`$target_table_name`"; |
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} else { |
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$lookup_sql_table_name = "`{$this->schema_name}`.`$target_table_name`"; |
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} |
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$where_current_prepare = "`{$column_option->column_name}` in (select `$target_column_name` from $lookup_sql_table_name where `{$column_option->lookup}` like %s)"; |
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if ( ! $where_first ) { |
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$where_current .= ' or '; |
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} |
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$where_current .= $wpdb->prepare( $where_current_prepare, $search_values ); // phpcs:ignore WordPress.DB.PreparedSQL |
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$where_first = false; |
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} |
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break; |
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} |
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} |
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} |
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} |
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} |
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} else { |
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// This is already handled by the parent. |
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} |
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} |
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|
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$where_user_search = $this->get_where_clause(); |
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if ( '' !== $where_user_search ) { |
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if ( '' === $where_current ) { |
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$where_current = $where_user_search; |
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} else { |
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$where_current = "($where_current or $where_user_search)"; |
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} |
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} |
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|
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if ( '' !== $where_current ) { |
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$this->where = $nowhere ? " where $where_current " : " {$this->where} and ($where_current) "; |
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$perform_default_method = false; |
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} |
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} |
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} |
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|
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if ( $perform_default_method ) { |
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parent::construct_where_clause(); |
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} else { |
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$whereclause = $this->get_where_clause(); |
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|
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if ( '' === $this->where ) { |
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$this->where = " where {$whereclause} "; |
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} |
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|
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if ( ' (1=2) ' !== $whereclause ) { |
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// TODO Add other (non lookup) columns |
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// $this->where .= " and {$whereclause} "; // Needs to be tested |
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} |
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} |
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} |
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|
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protected function get_order_by() { |
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$orderby = parent::get_order_by(); |
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|
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if ( '' === $orderby && null !== $this->orderby && '' !== trim( $this->orderby ) ) { |
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$orderby = |
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' order by ' . |
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trim( str_replace( 'order by ', '', $this->orderby ) ); |
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} |
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|
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return $orderby; |
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} |
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|
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protected function add_full_table_downloads_add_args() { |
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if ( $this->has_default_where && '' !== trim( $this->page_id ) ) { |
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echo '<input type="hidden" name="pid_default_where" value="' . esc_attr( $this->page_id ) . '"/>'; |
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} |
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} |
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|
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} |
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|
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} |
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|
