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Edit File: router_helper.php

<?php

class OsRouterHelper {

public static function build_pre_route_link( $route, $params = array() ) {
		return self::build_link( $route, array_merge( array( 'pre_route' => 1 ), $params ) );
	}

public static function add_extension( $string = '', $extension = '.php' ) {
		if ( substr( $string, -strlen( $extension ) ) === $extension ) {
			return $string;
		} else {
			return $string . $extension;
		}
	}

public static function build_link( $route, $params = array() ) {
		$params_query = '';
		if ( $params ) {
			$params_query = '&' . http_build_query( $params );
		}
		if ( is_array( $route ) && ( count( $route ) == 2 ) ) {
			$route = OsRouterHelper::build_route_name( $route[0], $route[1] );
		}
		return admin_url( 'admin.php?page=latepoint&route_name=' . $route . $params_query );
	}

public static function build_admin_post_link( $route, $params = array() ) {
		$params_query = '';
		if ( $params ) {
			$params_query = '&' . http_build_query( $params );
		}
		if ( is_array( $route ) && ( count( $route ) == 2 ) ) {
			$route = OsRouterHelper::build_route_name( $route[0], $route[1] );
		}
		return admin_url( 'admin-post.php?action=latepoint_route_call&route_name=' . $route . $params_query );
	}

public static function link_has_route( $route_name, $link ) {
		$link_params = wp_parse_url( $link );
		if ( empty( $link_params['query'] ) ) {
			return false;
		}
		parse_str( $link_params['query'], $link_query_params );
		return ( $link_query_params && isset( $link_query_params['route_name'] ) && ( $link_query_params['route_name'] == $route_name ) );
	}

public static function build_front_link( $route, $params = array() ) {
		$params_query = '';
		if ( $params ) {
			$params_query = '&' . http_build_query( $params );
		}
		if ( is_array( $route ) && ( count( $route ) == 2 ) ) {
			$route = OsRouterHelper::build_route_name( $route[0], $route[1] );
		}
		return site_url( 'index.php?latepoint_is_custom_route=true&route_name=' . $route . $params_query );
	}

public static function build_route_name( $controller, $action ) {
		return $controller . '__' . $action;
	}

public static function convert_route_name_to_controller_and_action( $route_name ): array {
		list($controller_name, $action) = explode( '__', $route_name );
		if ( empty( $controller_name ) || empty( $action ) ) {
			return [];
		}
		$controller_name       = str_replace( '_', '', ucwords( $controller_name, '_' ) );
		$controller_class_name = 'Os' . $controller_name . 'Controller';
		if ( class_exists( $controller_class_name ) ) {
			$controller_obj = new $controller_class_name();
			if ( method_exists( $controller_obj, $action ) ) {
				// check if action is valid
				return [
					'controller' => $controller_obj,
					'action'     => $action,
				];
			} else {
				return [];
			}
		} else {
			return [];
		}
	}

public static function call_by_route_name( $route_name, $return_format = 'html' ) {
		OsDebugHelper::log_route( $route_name, $return_format );
		$route_data = self::convert_route_name_to_controller_and_action( $route_name );
		if ( ! empty( $route_data ) ) {
			$controller_obj = $route_data['controller'];
			$action         = $route_data['action'];
			if ( $return_format ) {
				$controller_obj->set_return_format( $return_format );
			}
			// check if user is allowed to access this route
			if ( $controller_obj->can_current_user_access_action( $action ) ) {
				$controller_obj->route_name = $route_name;
				$controller_obj->$action();
			} else {
				if ( $controller_obj->get_return_format() == 'json' ) {
					$controller_obj->send_json(
						[
							'status'  => LATEPOINT_STATUS_ERROR,
							'message' => __( 'Not Authorized', 'latepoint' ),
						] 
					);
				} else {
					echo '<div class="latepoint-not-authorized"><div class="not-authorized-message">' . esc_html__( 'Not Authorized', 'latepoint' ) . '</div></div>';
				}
			}
		} else {
			esc_html_e( 'Page Not Found', 'latepoint' );
		}
	}

public static function get_request_param( $name, $default = false ) {
		if ( isset( $_GET[ $name ] ) ) {
			$param = sanitize_text_field( wp_unslash( $_GET[ $name ] ) );
		} elseif ( isset( $_POST[ $name ] ) ) {
			$param = sanitize_text_field( wp_unslash( $_POST[ $name ] ) );
		} else {
			$param = $default;
		}
		return $param;
	}
}

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