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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly!
}
if ( ! class_exists( 'WPSC_Category' ) ) :
final class WPSC_Category {
/**
* Object data in key => val pair.
*
* @var array
*/
private $data = array();
/**
* Set whether or not current object properties modified
*
* @var boolean
*/
private $is_modified = false;
/**
* Schema for this model
*
* @var array
*/
public static $schema = array();
/**
* Prevent fields to modify
*
* @var array
*/
public static $prevent_modify = array();
/**
* DB object caching
*
* @var array
*/
private static $cache = array();
/**
* Initialize this class
*
* @return void
*/
public static function init() {
// Apply schema for this model.
add_action( 'init', array( __CLASS__, 'apply_schema' ), 2 );
// Get object of this class.
add_filter( 'wpsc_load_ref_classes', array( __CLASS__, 'load_ref_class' ) );
}
/**
* Apply schema for this model
*
* @return void
*/
public static function apply_schema() {
$schema = array(
'id' => array(
'has_ref' => false,
'ref_class' => '',
'has_multiple_val' => false,
),
'name' => array(
'has_ref' => false,
'ref_class' => '',
'has_multiple_val' => false,
),
'load_order' => array(
'has_ref' => false,
'ref_class' => '',
'has_multiple_val' => false,
),
);
self::$schema = apply_filters( 'wpsc_category_schema', $schema );
// Prevent modify.
$prevent_modify = array( 'id' );
self::$prevent_modify = apply_filters( 'wpsc_category_prevent_modify', $prevent_modify );
}
/**
* Model constructor
*
* @param int $id - Optional. Data record id to retrive object for.
*/
public function __construct( $id = 0 ) {
global $wpdb;
$id = intval( $id );
if ( isset( self::$cache[ $id ] ) ) {
$this->data = self::$cache[ $id ]->data;
return;
}
if ( $id > 0 ) {
$category = $wpdb->get_row( "SELECT * FROM {$wpdb->prefix}psmsc_categories WHERE id = " . $id, ARRAY_A );
if ( ! is_array( $category ) ) {
return;
}
foreach ( $category as $key => $val ) {
if ( $key == 'name' ) {
$this->data[ $key ] = $val !== null ? WPSC_Translations::get( 'wpsc-category-' . $category['id'], stripslashes( $val ) ) : '';
} else {
$this->data[ $key ] = $val !== null ? $val : '';
}
}
self::$cache[ $id ] = $this;
}
}
/**
* Convert object into an array
*
* @return array
*/
public function to_array() {
return $this->data;
}
/**
* Magic get function to use with object arrow function
*
* @param string $var_name - variable name.
* @return mixed
*/
public function __get( $var_name ) {
if ( ! isset( $this->data[ $var_name ] ) ||
$this->data[ $var_name ] == null ||
$this->data[ $var_name ] == ''
) {
return self::$schema[ $var_name ]['has_multiple_val'] ? array() : '';
}
if ( self::$schema[ $var_name ]['has_multiple_val'] ) {
$response = array();
$values = $this->data[ $var_name ] ? explode( '|', $this->data[ $var_name ] ) : array();
foreach ( $values as $val ) {
$response[] = self::$schema[ $var_name ]['has_ref'] ?
WPSC_Functions::get_object( self::$schema[ $var_name ]['ref_class'], $val ) :
$val;
}
return $response;
} else {
return self::$schema[ $var_name ]['has_ref'] && $this->data[ $var_name ] ?
WPSC_Functions::get_object( self::$schema[ $var_name ]['ref_class'], $this->data[ $var_name ] ) :
$this->data[ $var_name ];
}
}
/**
* Magic function to use setting object field with arrow function
*
* @param string $var_name - (Required) property slug.
* @param mixed $value - (Required) value to set for a property.
* @return void
*/
public function __set( $var_name, $value ) {
if (
! isset( $this->data[ $var_name ] ) ||
in_array( $var_name, self::$prevent_modify )
) {
return;
}
$data_val = '';
if ( self::$schema[ $var_name ]['has_multiple_val'] ) {
$data_vals = array_map(
fn( $val ) => is_object( $val ) ? WPSC_Functions::set_object( self::$schema[ $var_name ]['ref_class'], $val ) : $val,
$value
);
$data_val = $data_vals ? implode( '|', $data_vals ) : '';
} else {
$data_val = is_object( $value ) ? WPSC_Functions::set_object( self::$schema[ $var_name ]['ref_class'], $value ) : $value;
}
if ( $this->data[ $var_name ] == $data_val ) {
return;
}
$this->data[ $var_name ] = $data_val;
$this->is_modified = true;
}
/**
* Save changes made
*
* @return boolean
*/
public function save() {
global $wpdb;
if ( ! $this->is_modified ) {
return true;
}
$data = $this->data;
$success = true;
if ( ! isset( $data['id'] ) ) {
$ct = self::insert( $data );
if ( $ct ) {
$this->data = $ct->data;
$success = true;
} else {
$success = false;
}
} else {
unset( $data['id'] );
$success = $wpdb->update(
$wpdb->prefix . 'psmsc_categories',
$data,
array( 'id' => $this->data['id'] )
);
// Set string translation..
WPSC_Translations::add( 'wpsc-category-' . $this->data['id'], $this->data['name'] );
}
$this->is_modified = false;
self::$cache[ $this->id ] = $this;
return $success ? true : false;
}
/**
* Insert new record
*
* @param array $data - insert data.
* @return WPSC_Category
*/
public static function insert( $data ) {
global $wpdb;
if ( ! isset( $data['load_order'] ) ) {
$max_order = $wpdb->get_var( "SELECT MAX(load_order) FROM {$wpdb->prefix}psmsc_categories" );
$data['load_order'] = intval( $max_order ) + 1;
}
$success = $wpdb->insert(
$wpdb->prefix . 'psmsc_categories',
$data
);
if ( ! $success ) {
return false;
}
$id = $wpdb->insert_id;
// string translation.
WPSC_Translations::add( 'wpsc-category-' . $id, $data['name'] );
$category = new WPSC_Category( $id );
return $category;
}
/**
* Delete record of given ID
*
* @param WPSC_Category $category - category object.
* @return boolean
*/
public static function destroy( $category ) {
global $wpdb;
$success = $wpdb->delete(
$wpdb->prefix . 'psmsc_categories',
array( 'id' => $category->id )
);
if ( ! $success ) {
return false;
}
unset( self::$cache[ $category->id ] );
// remove string translations.
WPSC_Translations::remove( 'wpsc-category-' . $category->id );
return true;
}
/**
* Set data to create new object using direct data. Used in find method
*
* @param array $data - data to set for object.
* @return void
*/
private function set_data( $data ) {
foreach ( $data as $var_name => $val ) {
if ( $var_name == 'name' ) {
$this->data[ $var_name ] = $val !== null ? WPSC_Translations::get( 'wpsc-category-' . $data['id'], stripslashes( $val ) ) : '';
} else {
$this->data[ $var_name ] = $val !== null ? $val : '';
}
}
self::$cache[ $this->id ] = $this;
}
/**
* Find records based on given filters
*
* @param array $filter - array containing array items like search, where, orderby, order, page_no, items_per_page, etc.
* @param boolean $is_object - return data as array or object. Default object.
* @return mixed
*/
public static function find( $filter = array(), $is_object = true ) {
global $wpdb;
$sql = 'SELECT * FROM ' . $wpdb->prefix . 'psmsc_categories ';
$where = self::get_where( $filter );
$filter['items_per_page'] = isset( $filter['items_per_page'] ) ? $filter['items_per_page'] : 0;
$filter['page_no'] = isset( $filter['page_no'] ) ? $filter['page_no'] : 0;
$filter['orderby'] = isset( $filter['orderby'] ) ? $filter['orderby'] : 'load_order';
$filter['order'] = isset( $filter['order'] ) ? $filter['order'] : 'ASC';
$order = WPSC_Functions::parse_order( $filter );
$sql = $sql . $where . $order;
$results = $wpdb->get_results( $sql, ARRAY_A );
// total results.
$sql = 'SELECT count(id) FROM ' . $wpdb->prefix . 'psmsc_categories ';
$total_items = $wpdb->get_var( $sql . $where );
$response = WPSC_Functions::parse_response( $results, $total_items, $filter );
// Return array.
if ( ! $is_object ) {
return $response;
}
// create and return array of objects.
$temp_results = array();
foreach ( $response['results'] as $category ) {
$ob = new WPSC_Category();
$data = array();
foreach ( $category as $key => $val ) {
$data[ $key ] = $val;
}
$ob->set_data( $data );
$temp_results[] = $ob;
}
$response['results'] = $temp_results;
return $response;
}
/**
* Get where for find method
*
* @param array $filter - user filter.
* @return array
*/
private static function get_where( $filter ) {
$where = '';
// Set user defined filters.
$meta_query = isset( $filter['meta_query'] ) && $filter['meta_query'] ? $filter['meta_query'] : array();
$meta_query = apply_filters( 'wpsc_category_meta_query', $meta_query, $filter );
if ( $meta_query ) {
$meta_query = WPSC_Functions::parse_user_filters( __CLASS__, $meta_query );
$where = $meta_query . ' ';
}
return $where ? 'WHERE ' . $where : '';
}
/**
* Load current class to reference classes
*
* @param array $classes - Associative array of class names indexed by its slug.
* @return array
*/
public static function load_ref_class( $classes ) {
$classes['wpsc_category'] = array(
'class' => __CLASS__,
'save-key' => 'id',
);
return $classes;
}
}
endif;
WPSC_Category::init();
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