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<?php
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
/**
* SendPress DB base class
*
* @package SendPress
* @subpackage Classes/DB/SendPress DB
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 1.0.12.11
*/
abstract class SendPress_DB {
public $prefix = 'sendpress_';
/**
* The name of our database table
*
* @access public
* @since 1.0.12.11
*/
public $table_name;
/**
* The version of our database table
*
* @access public
* @since 1.0.12.11
*/
public $version;
/**
* The name of the primary column
*
* @access public
* @since 1.0.12.11
*/
public $primary_key;
/**
* Get things started
*
* @access public
* @since 1.0.12.11
*/
public function __construct() {}
/**
* Whitelist of columns
*
* @access public
* @since 1.0.12.11
* @return array
*/
public function get_columns() {
return array();
}
/**
* Default column values
*
* @access public
* @since 1.0.12.11
* @return array
*/
public function get_column_defaults() {
return array();
}
/**
* Retrieve a row by the primary key
*
* @access public
* @since 1.0.12.11
* @return object
*/
public function get( $row_id ) {
global $wpdb;
return $wpdb->get_row( "SELECT * FROM $this->table_name WHERE $this->primary_key = $row_id LIMIT 1;" );
}
/**
* Retrieve a row by a specific column / value
*
* @access public
* @since 1.0.12.11
* @return object
*/
public function get_by( $column, $row_id ) {
global $wpdb;
return $wpdb->get_row( "SELECT * FROM $this->table_name WHERE $column = '$row_id' LIMIT 1;" );
}
/**
* Retrieve a specific column's value by the primary key
*
* @access public
* @since 1.0.12.11
* @return string
*/
public function get_column( $column, $row_id ) {
global $wpdb;
return $wpdb->get_var( "SELECT $column FROM $this->table_name WHERE $this->primary_key = $row_id LIMIT 1;" );
}
/**
* Retrieve a specific column's value by the the specified column / value
*
* @access public
* @since 1.0.12.11
* @return string
*/
public function get_column_by( $column, $column_where, $column_value ) {
global $wpdb;
return $wpdb->get_var( "SELECT $column FROM $this->table_name WHERE $column_where = '$column_value' LIMIT 1;" );
}
public function make_where( $where ) {
$where_format = $this->get_columns();
$wheres = array();
$where_formats = $where_format = (array) $where_format;
foreach ( (array) array_keys( $where ) as $field ) {
if ( !empty( $where_format ) )
$form = ( $form = array_shift( $where_formats ) ) ? $form : $where_format[0];
elseif ( isset( $this->field_types[$field] ) )
$form = $this->field_types[$field];
else
$form = '%s';
$wheres[] = "`$field` = {$form}";
}
return implode( ' AND ', $wheres );
}
/**
* Insert a new row
*
* @access public
* @since 1.0.12.11
* @return int
*/
public function replace( $data, $type = '' ) {
global $wpdb;
// Set default values
$data = wp_parse_args( $data, $this->get_column_defaults() );
do_action( 'spnl_pre_replace_' . $type , $data );
// Initialise column format array
$column_formats = $this->get_columns();
// Force fields to lower case
$data = array_change_key_case( $data );
// White list columns
$data = array_intersect_key( $data, $column_formats );
// Reorder $column_formats to match the order of columns given in $data
$data_keys = array_keys( $data );
$column_formats = array_merge( array_flip( $data_keys ), $column_formats );
$wpdb->replace( $this->table_name, $data, $column_formats );
do_action( 'spnl_post_replace_' . $type, $wpdb->insert_id, $data );
return $wpdb->insert_id;
}
/**
* Insert a new row
*
* @access public
* @since 1.0.12.11
* @return int
*/
public function insert( $data, $type = '' ) {
global $wpdb;
// Set default values
$data = wp_parse_args( $data, $this->get_column_defaults() );
do_action( 'spnl_pre_insert_' . $type , $data );
// Initialise column format array
$column_formats = $this->get_columns();
// Force fields to lower case
$data = array_change_key_case( $data );
// White list columns
$data = array_intersect_key( $data, $column_formats );
// Reorder $column_formats to match the order of columns given in $data
$data_keys = array_keys( $data );
$column_formats = array_merge( array_flip( $data_keys ), $column_formats );
$wpdb->insert( $this->table_name, $data, $column_formats );
do_action( 'spnl_post_insert_' . $type, $wpdb->insert_id, $data );
return $wpdb->insert_id;
}
/**
* Update a row
*
* @access public
* @since 1.0.12.11
* @return bool
*/
public function update( $row_id, $data = array(), $where = '' ) {
global $wpdb;
// Row ID must be positive integer
$row_id = absint( $row_id );
if( empty( $row_id ) ) {
return false;
}
if( empty( $where ) ) {
$where = $this->primary_key;
}
// Initialise column format array
$column_formats = $this->get_columns();
// Force fields to lower case
$data = array_change_key_case( $data );
// White list columns
$data = array_intersect_key( $data, $column_formats );
// Reorder $column_formats to match the order of columns given in $data
$data_keys = array_keys( $data );
$column_formats = array_merge( array_flip( $data_keys ), $column_formats );
if ( false === $wpdb->update( $this->table_name, $data, array( $where => $row_id ), $column_formats ) ) {
return false;
}
return true;
}
/**
* Delete a row identified by the primary key
*
* @access public
* @since 1.0.12.11
* @return bool
*/
public function delete( $row_id = 0 ) {
global $wpdb;
// Row ID must be positive integer
$row_id = absint( $row_id );
if( empty( $row_id ) ) {
return false;
}
if ( false === $wpdb->query( $wpdb->prepare( "DELETE FROM $this->table_name WHERE $this->primary_key = %d", $row_id ) ) ) {
return false;
}
return true;
}
public function repair_table(){
global $wpdb;
$wpdb->query("REPAIR TABLE $this->table_name");
}
}