stevotvr/phpbb-groupsub

<?php
/**
 *
 * Group Subscription. An extension for the phpBB Forum Software package.
 *
 * @copyright (c) 2017, Steve Guidetti, https://github.com/stevotvr
 * @license GNU General Public License, version 2 (GPL-2.0)
 *
 */

namespace stevotvr\groupsub\event;

use phpbb\auth\auth;
use phpbb\config\config;
use phpbb\controller\helper;
use phpbb\db\driver\driver_interface;
use phpbb\event\data;
use phpbb\template\template;
use stevotvr\groupsub\operator\package_interface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Group Subscription event listener.
 */
class main_listener implements EventSubscriberInterface
{
    /**
     * @var auth
     */
    protected $auth;

    /**
     * @var config
     */
    protected $config;

    /**
     * @var driver_interface
     */
    protected $db;

    /**
     * @var helper
     */
    protected $helper;

    /**
     * @var package_interface
     */
    protected $pkg_operator;

    /**
     * @var template
     */
    protected $template;

    /**
     * The name of the groupsub_actions table.
     *
     * @var string
     */
    protected $action_table;

    /**
     * The name of the groupsub_subs table.
     *
     * @var string
     */
    protected $sub_table;

    /**
     * @param auth              $auth
     * @param config            $config
     * @param driver_interface  $db
     * @param helper            $helper
     * @param package_interface $pkg_operator
     * @param template          $template
     * @param string            $action_table The name of the groupsub_actions table
     * @param string            $sub_table    The name of the groupsub_subs table
     */
    public function __construct(auth $auth, config $config, driver_interface $db, helper $helper, package_interface $pkg_operator, template $template, $action_table, $sub_table)
    {
        $this->auth = $auth;
        $this->config = $config;
        $this->db = $db;
        $this->helper = $helper;
        $this->pkg_operator = $pkg_operator;
        $this->template = $template;
        $this->action_table = $action_table;
        $this->sub_table = $sub_table;
    }

    /**
     * @inheritDoc
     */
    static public function getSubscribedEvents()
    {
        return array(
            'core.permissions'            => 'permissions',
            'core.user_setup'            => 'user_setup',
            'core.delete_group_after'    => 'delete_group_after',
            'core.delete_user_after'    => 'delete_user_after',
        );
    }

    /**
     * Loads the permissions.
     *
     * @param data $event The event data
     */
    public function permissions(data $event)
    {
        $categories = $event['categories'];
        $categories['groupsub'] = 'ACL_CAT_GROUPSUB';
        $event['categories'] = $categories;

        $permissions = $event['permissions'];
        $permissions['a_groupsub_settings'] = array('lang' => 'ACL_A_GROUPSUB_SETTINGS', 'cat' => 'groupsub');
        $permissions['a_groupsub_packages'] = array('lang' => 'ACL_A_GROUPSUB_PACKAGES', 'cat' => 'groupsub');
        $permissions['a_groupsub_subscriptions'] = array('lang' => 'ACL_A_GROUPSUB_SUBSCRIPTIONS', 'cat' => 'groupsub');
        $permissions['a_groupsub_subscriptions_edit'] = array('lang' => 'ACL_A_GROUPSUB_SUBSCRIPTIONS_EDIT', 'cat' => 'groupsub');
        $permissions['a_groupsub_transactions'] = array('lang' => 'ACL_A_GROUPSUB_TRANSACTIONS', 'cat' => 'groupsub');
        $event['permissions'] = $permissions;
    }

    /**
     * Adds the extension language set and the controller link on user setup.
     *
     * @param data $event The event data
     */
    public function user_setup(data $event)
    {
        $lang_set_ext = $event['lang_set_ext'];
        $lang_set_ext[] = array(
            'ext_name'    => 'stevotvr/groupsub',
            'lang_set'    => 'common',
        );
        $event['lang_set_ext'] = $lang_set_ext;

        if (($this->config['stevotvr_groupsub_active'] || $this->auth->acl_get('a_')) && $this->pkg_operator->count_packages())
        {
            $this->template->assign_var('U_GROUPSUB_SUBS', $this->helper->route('stevotvr_groupsub_main'));
        }
    }

    /**
     * Remove references to a group after it is deleted.
     *
     * @param data $event The event data
     */
    public function delete_group_after(data $event)
    {
        $actions = array(
            'gs_add_group',
            'gs_remove_group',
            'gs_default_group',
        );
        $sql = 'DELETE FROM ' . $this->action_table . '
                WHERE ' . $this->db->sql_in_set('act_name', $actions) . '
                    AND act_param = ' . (int) $event['group_id'];
        $this->db->sql_query($sql);
    }

    /**
     * Remove references to users after they are deleted.
     *
     * @param data $event The event data
     */
    public function delete_user_after(data $event)
    {
        $sql = 'DELETE FROM ' . $this->sub_table . '
                WHERE ' . $this->db->sql_in_set('user_id', $event['user_ids']);
        $this->db->sql_query($sql);
    }
}