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<?php
/**
* Class LP_Abstract_Object_Data.
*
* @author ThimPress
* @package LearnPress/Classes
* @version 3.0.0
*/
/**
* Prevent loading this file directly
*/
defined( 'ABSPATH' ) || exit();
if ( ! class_exists( 'LP_Abstract_Object_Data' ) ) {
/**
* Class LP_Abstract_Object_Data
*/
abstract class LP_Abstract_Object_Data {
/**
* @var int
*/
protected $_id = 0;
/**
* @var array
*/
protected $_data = array();
/**
* @var array
*/
protected $_extra_data = array();
/**
* @var bool
*/
protected $_no_cache = false;
/**
* @var array
*/
protected $_supports = array();
/**
* Store new changes
*
* @var array
*/
protected $_changes = array();
/**
* @var array
*/
protected $_extra_data_changes = array();
/**
* Object meta
*
* @var array
*/
protected $_meta_data = array();
/**
* @var array
*/
protected $_meta_keys = array();
/**
* CURD class to manipulation with database.
*
* @var null
*/
protected $_curd = null;
/**
* Mark the $post object is set up to this class
*
* @var bool
*/
protected $_setup_postdata = false;
/**
* LP_Abstract_Object_Data constructor.
*
* @param null $data
*/
public function __construct( $data = null ) {
$this->_data = (array) $data;
if ( array_key_exists( 'id', $this->_data ) ) {
$this->set_id( absint( $this->_data['id'] ) );
unset( $this->_data['id'] );
}
$this->load_curd();
}
/**
* Load curd.
*/
protected function load_curd() {
if ( is_string( $this->_curd ) && $this->_curd ) {
$this->_curd = new $this->_curd();
}
}
/**
* Set id of object in database
*
* @param $id
*/
public function set_id( $id ) {
$this->_id = $id;
}
/**
* Get id of object in database
*
* @return int
*/
public function get_id() {
return absint( $this->_id );
}
/**
* Get post object assigned to this class.
*
* @since 3.0.0
* @return array|null|WP_Post
*/
public function get_post() {
return get_post( $this->get_id() );
}
/**
* Get global $post object and set it up with new data
*
* @since 3.0.0
*
* @return bool|WP_Post
*/
public function setup_postdata() {
global $post;
if ( $post = $this->get_post() ) {
setup_postdata( $post );
$this->_setup_postdata = true;
return $post;
}
return false;
}
/**
* Reset global $post to WP default.
*
* @since 3.0.0
*
* @return bool
*/
public function reset_postdata() {
if ( $this->_setup_postdata ) {
wp_reset_postdata();
return true;
}
return false;
}
/**
* Get object data
*
* @param string $name - Optional. Name of data want to get, true if return all.
* @param mixed $default
*
* @return array|mixed
*/
public function get_data( $name = '', $default = '' ) {
if ( is_string( $name ) ) {
// Check in data first then check in extra data
return
array_key_exists( $name, $this->_data ) ? $this->_data[ $name ] :
( array_key_exists( $name, $this->_extra_data ) ? $this->_extra_data[ $name ] : $default );
} elseif ( is_array( $name ) ) {
$data = array();
foreach ( $name as $key ) {
$data[ $key ] = $this->get_data( $key, $default );
}
return $data;
} elseif ( true === $name ) {
return array_merge( $this->_data, $this->_extra_data );
}
return false;
}
/**
* @param string $name
* @param string $default
*
* @return array|bool|mixed|string
*/
public function get_extra_data( $name = '', $default = '' ) {
if ( is_string( $name ) ) {
// Check in data first then check in extra data
return array_key_exists( $name, $this->_extra_data ) ? $this->_extra_data[ $name ] : $default;
} elseif ( is_array( $name ) ) {
$data = array();
foreach ( $name as $key ) {
$data[ $key ] = $this->get_extra_data( $key, $default );
}
return $data;
} elseif ( true === $name ) {
return $this->_extra_data;
}
return false;
}
/**
* Set object data.
*
* @param mixed $key_or_data
* @param mixed $value
* @param bool $extra
*/
protected function _set_data( $key_or_data, $value = '', $extra = false ) {
if ( is_array( $key_or_data ) ) {
foreach ( $key_or_data as $key => $value ) {
$this->_set_data( $key, $value, $extra );
}
} elseif ( $key_or_data ) {
$data = $extra ? $this->_extra_data : $this->_data;
$changes = $extra ? $this->_extra_data_changes : $this->_changes;
if ( $key_or_data === 'total' ) {
}
if ( $extra ) {
// Do not allow to add extra data with the same key in data
if ( ! array_key_exists( $key_or_data, $this->_data ) ) {
$this->_extra_data[ $key_or_data ] = $value;
}
} else {
try {
if ( ! is_string( $key_or_data ) && ! is_numeric( $key_or_data ) ) {
throw new Exception( 'error' );
}
// Only change the data is already existed
if ( array_key_exists( $key_or_data, $this->_data ) ) {
$this->_data[ $key_or_data ] = $value;
} else {
$this->_extra_data[ $key_or_data ] = $value;
}
}
catch ( Exception $ex ) {
print_r( $key_or_data );
print_r( $ex->getMessage() );
die(__FILE__ . '::'.__FUNCTION__);;
}
}
}
}
/**
* Set extra data
*
* @param array|string $key_or_data
* @param string $value
*/
public function set_data( $key_or_data, $value = '' ) {
$this->_set_data( $key_or_data, $value, true );
}
/**
* @param $key
* @param $value
*/
public function set_data_date( $key, $value ) {
if ( LP_Datetime::getSqlNullDate() !== $value && ! $value instanceof LP_Datetime ) {
$value = new LP_Datetime( $value );
}
$this->_set_data( $key, $value );
}
public function set_data_null_date( $key ) {
$this->_set_data( $key, LP_Datetime::getSqlNullDate() );
}
/**
* Set data via methods in array
*
* @param array $data - Array with key is method and value is value to set
*
* @throws Exception
*/
public function set_data_via_methods( $data ) {
$errors = array_keys( $data );
foreach ( $data as $prop => $value ) {
$setter = "set_$prop";
if ( /*! is_null( $value ) && */
is_callable( array( $this, $setter ) )
) {
$reflection = new ReflectionMethod( $this, $setter );
if ( $reflection->isPublic() ) {
$this->{$setter}( $value );
$errors = array_diff( $errors, array( $prop ) );
}
}
}
// If there is at least one method failed
if ( $errors ) {
$errors = array_map( array( $this, 'prefix_set_method' ), $errors );
throw new Exception( sprintf( __( 'The following these functions %s do not exists in %s', 'learnpress' ), join( ',', $errors ), get_class( $this ) ) );
}
}
/**
* Return the keys of data
*
* @param bool $extra - Optional. TRUE if including extra data
*
* @return array
*/
public function get_data_keys( $extra = true ) {
return $extra ? array_merge( array_keys( $this->_data ), array_keys( $this->_extra_data ) ) : array_keys( $this->_data );
}
/**
* @param $method
*
* @return string
*/
public function prefix_set_method( $method ) {
return "set_{$method}";
}
/**
* Apply the changes
*/
public function apply_changes() {
$this->_data = array_replace_recursive( $this->_data, $this->_changes );
$this->_changes = array();
}
/**
* Get the changes.
*
* @return array
*/
public function get_changes() {
return $this->_changes;
}
/**
* Check if question is support feature.
*
* @param string $feature
* @param string $type
*
* @return bool
*/
public function is_support( $feature, $type = '' ) {
$feature = $this->_sanitize_feature_key( $feature );
$is_support = array_key_exists( $feature, $this->_supports ) ? true : false;
if ( $type && $is_support ) {
return $this->_supports[ $feature ] === $type;
}
return $is_support;
}
/**
* Add a feature that question is supported
*
* @param $feature
* @param string $type
*/
public function add_support( $feature, $type = 'yes' ) {
$feature = $this->_sanitize_feature_key( $feature );
$this->_supports[ $feature ] = $type === null ? 'yes' : $type;
}
/**
* @param $feature
*
* @return mixed
*/
protected function _sanitize_feature_key( $feature ) {
return preg_replace( '~[_]+~', '-', $feature );
}
/**
* Get all features are supported by question.
*
* @return array
*/
public function get_supports() {
return $this->_supports;
}
/**
* @param $value
*/
public function set_no_cache( $value ) {
$this->_no_cache = $value;
}
/**
* @return bool
*/
public function get_no_cache() {
return $this->_no_cache;
}
/**
* Read all metas and set to object
*/
public function read_meta() {
if ( $meta_data = $this->_curd->read_meta( $this ) ) {
$external_metas = array_filter( $meta_data, array( $this, 'exclude_metas' ) );
foreach ( $external_metas as $meta ) {
$this->_meta_data[] = $meta;
}
}
}
/**
* Callback function for excluding meta keys.
*
* @param $meta
*
* @return bool
*/
protected function exclude_metas( $meta ) {
$exclude_keys = array_merge( array_keys( $this->_meta_keys ), array_keys( $this->_data ) );
return ! in_array( $meta->meta_key, $exclude_keys ) && 0 !== stripos( $meta->meta_key, 'wp_' );
}
/**
* Add new meta data to object.
*
* @param string|array $key_or_array
* @param string $value
*/
public function add_meta( $key_or_array, $value = '' ) {
if ( is_array( $key_or_array ) ) {
foreach ( $key_or_array as $key => $value ) {
$this->add_meta( $key, $value );
}
} elseif ( is_string( $key_or_array ) ) {
$this->_meta_data[] = (object) array(
'meta_key' => $key_or_array,
'meta_value' => $value
);
} else {
$this->_meta_data[] = $key_or_array;
}
}
/**
* Delete meta data by key.
* If meta value is passed, compare with existing value in database (string only).
*
* @param string $meta_key
* @param bool $meta_value - Optional. FALSE to abort comparison.
*
* @return bool
*/
public function delete_meta( $meta_key, $meta_value = false ) {
if ( empty( $this->_meta_data ) ) {
return false;
} else {
$new_meta_data = array();
foreach ( $this->_meta_data as $k => $meta_data ) {
if ( $meta_data->meta_key === $meta_key ) {
if ( false !== $meta_value && $meta_data->meta_value === $meta_value ) {
continue;
}
continue;
}
$new_meta_data[] = $meta_data;
}
// Assign new meta
$this->_meta_data = $new_meta_data;
// Force to deleting from database
delete_post_meta( $this->get_id(), $meta_key, $meta_value );
}
return true;
}
/**
* Update item meta if it is already existed. Otherwise, add a new once.
*
* @param $meta_key
* @param $meta_value
*/
public function set_meta( $meta_key, $meta_value ) {
if ( empty( $this->_meta_data ) ) {
$this->add_meta( $meta_key, $meta_value );
} else {
$found = false;
foreach ( $this->_meta_data as $k => $meta_data ) {
if ( $meta_data->meta_key === $meta_key ) {
$this->_meta_data[ $k ]->meta_value = $meta_value;
$found = true;
}
}
if ( ! $found ) {
$this->add_meta( $meta_key, $meta_value );
}
}
}
/**
* Update meta.
*/
public function update_meta() {
if ( $this->_meta_data ) {
foreach ( $this->_meta_data as $meta_data ) {
$this->_curd->update_meta( $this, $meta_data );
}
}
}
/**
* Get meta keys.
*
* @return array
*/
public function get_meta_keys() {
return $this->_meta_keys;
}
}
}
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