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<?php
/**
* class-groups-group-capability.php
*
* Copyright (c) "kento" Karim Rahimpur www.itthinx.com
*
* This code is released under the GNU General Public License.
* See COPYRIGHT.txt and LICENSE.txt.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This header and all notices must be kept intact.
*
* @author Karim Rahimpur
* @package groups
* @since groups 1.0.0
*/
if ( !defined( 'ABSPATH' ) ) {
exit;
}
/**
* Group Capability OPM
*/
class Groups_Group_Capability {
/**
* Hook into appropriate actions when needed.
* For now, this does nothing.
*
* @see Groups_Group::delete()
*/
public static function init() {
// Note that group-capabilities are deleted when a group is deleted.
}
/**
* Persist a group-capability relation.
*
* @param array $map attributes - must provide group_id and capability_id
*
* @return true on success, otherwise false
*/
public static function create( $map ) {
global $wpdb;
$result = false;
$group_id = isset( $map['group_id'] ) ? $map['group_id'] : null;
$capability_id = isset( $map['capability_id'] ) ? $map['capability_id'] : null;
// avoid nonsense requests
if ( !empty( $group_id ) && !empty( $capability_id) ) {
// make sure group and capability exist
if ( Groups_Group::read( $group_id ) && Groups_Capability::read( $capability_id ) ) {
$group_capability_table = _groups_get_tablename( 'group_capability' );
// don't try to create duplicate entries
// also it would raise an error for duplicate PK
if ( 0 === intval( $wpdb->get_var( $wpdb->prepare(
"SELECT COUNT(*) FROM $group_capability_table WHERE group_id = %d AND capability_id = %d", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
Groups_Utility::id( $group_id ),
Groups_Utility::id( $capability_id )
) ) ) ) {
$data = array(
'group_id' => Groups_Utility::id( $group_id ),
'capability_id' => Groups_Utility::id( $capability_id )
);
$formats = array( '%d', '%d' );
if ( $wpdb->insert( $group_capability_table, $data, $formats ) ) {
$result = true;
do_action( 'groups_created_group_capability', $group_id, $capability_id );
}
}
}
}
return $result;
}
/**
* Retrieve a group-capability relation.
*
* @param int $group_id group's id
* @param int $capability_id capability's id
*
* @return object upon success, otherwise false
*/
public static function read( $group_id, $capability_id ) {
global $wpdb;
$result = false;
$group_capability_table = _groups_get_tablename( 'group_capability' );
$group_capability = $wpdb->get_row( $wpdb->prepare(
"SELECT * FROM $group_capability_table WHERE group_id = %d AND capability_id = %d", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
Groups_Utility::id( $group_id ),
Groups_Utility::id( $capability_id )
) );
if ( $group_capability !== null ) {
$result = $group_capability;
}
return $result;
}
/**
* Update group-capability relation.
*
* This changes nothing so as of now it's pointless to even call this.
*
* @param array $map
*
* @return true if successful, false otherwise
*/
public static function update( $map ) {
$result = false;
// @since 3.0.0 do not process until this actually changes anything
if ( false ) {
$group_id = isset( $map['group_id'] ) ? $map['group_id'] : null;
$capability_id = isset( $map['capability_id'] ) ? $map['capability_id'] : null;
if ( !empty( $group_id ) && !empty( $capability_id) ) {
// make sure group and capability exist
if ( Groups_Group::read( $group_id ) && Groups_Capability::read( $capability_id ) ) {
$result = true;
do_action( 'groups_updated_group_capability', $group_id, $capability_id );
}
}
}
return $result;
}
/**
* Remove group-capability relation.
*
* @param int $group_id
* @param int $capability_id
*
* @return true if successful, false otherwise
*/
public static function delete( $group_id, $capability_id ) {
global $wpdb;
$result = false;
// avoid nonsense requests
if ( !empty( $group_id ) && !empty( $capability_id) ) {
// we can omit checking if the group and capability exist, to
// allow resolving the relationship after they have been deleted
$group_capability_table = _groups_get_tablename( 'group_capability' );
// get rid of it
$rows = $wpdb->query( $wpdb->prepare(
"DELETE FROM $group_capability_table WHERE group_id = %d AND capability_id = %d", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
Groups_Utility::id( $group_id ),
Groups_Utility::id( $capability_id )
) );
// must have affected a row, otherwise no great success
$result = ( $rows !== false ) && ( $rows > 0 );
if ( $result ) {
do_action( 'groups_deleted_group_capability', $group_id, $capability_id );
}
}
return $result;
}
}
Groups_Group_Capability::init();