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Filename : InstallerScriptInterface.php
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<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2022 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Installer;

/**
 * Base install script interface for use by extensions providing helper methods for common behaviours.
 *
 * @since  4.2.0
 */
interface InstallerScriptInterface
{
    /**
     * Function called after the extension is installed.
     *
     * @param   InstallerAdapter  $adapter  The adapter calling this method
     *
     * @return  boolean  True on success
     *
     * @since   4.2.0
     */
    public function install(InstallerAdapter $adapter): bool;

    /**
     * Function called after the extension is updated.
     *
     * @param   InstallerAdapter  $adapter  The adapter calling this method
     *
     * @return  boolean  True on success
     *
     * @since   4.2.0
     */
    public function update(InstallerAdapter $adapter): bool;

    /**
     * Function called after the extension is uninstalled.
     *
     * @param   InstallerAdapter  $adapter  The adapter calling this method
     *
     * @return  boolean  True on success
     *
     * @since   4.2.0
     */
    public function uninstall(InstallerAdapter $adapter): bool;

    /**
     * Function called before extension installation/update/removal procedure commences.
     *
     * @param   string            $type     The type of change (install or discover_install, update, uninstall)
     * @param   InstallerAdapter  $adapter  The adapter calling this method
     *
     * @return  boolean  True on success
     *
     * @since   4.2.0
     */
    public function preflight(string $type, InstallerAdapter $adapter): bool;

    /**
     * Function called after extension installation/update/removal procedure commences.
     *
     * @param   string            $type     The type of change (install or discover_install, update, uninstall)
     * @param   InstallerAdapter  $adapter  The adapter calling this method
     *
     * @return  boolean  True on success
     *
     * @since   4.2.0
     */
    public function postflight(string $type, InstallerAdapter $adapter): bool;
}