acp_groups.php

这些都是我以前学习是用到的源码

<?php
/** 
*
* @package acp
* @version $Id: acp_groups.php,v 1.38 2006/11/26 14:55:16 acydburn Exp $
* @copyright (c) 2005 phpBB Group 
* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
*
*/

/**
* @package acp
*/
class acp_groups
{
	var $u_action;

	function main($id, $mode)
	{
		global $config, $db, $user, $auth, $template, $cache;
		global $phpbb_root_path, $phpbb_admin_path, $phpEx, $table_prefix, $file_uploads;

		$user->add_lang('acp/groups');
		$this->tpl_name = 'acp_groups';
		$this->page_title = 'ACP_GROUPS_MANAGE';

		include($phpbb_root_path . 'includes/functions_user.' . $phpEx);

		// Check and set some common vars
		$action		= (isset($_POST['add'])) ? 'add' : ((isset($_POST['addusers'])) ? 'addusers' : request_var('action', ''));
		$group_id	= request_var('g', 0);
		$mark_ary	= request_var('mark', array(0));
		$name_ary	= request_var('usernames', '', true);
		$leader		= request_var('leader', 0);
		$default	= request_var('default', 0);
		$start		= request_var('start', 0);
		$update		= (isset($_POST['update'])) ? true : false;

		// Clear some vars
		$can_upload = (file_exists($phpbb_root_path . $config['avatar_path']) && is_writeable($phpbb_root_path . $config['avatar_path']) && $file_uploads) ? true : false;
		$group_row = array();

		// Grab basic data for group, if group_id is set and exists
		if ($group_id)
		{
			$sql = 'SELECT * 
				FROM ' . GROUPS_TABLE . " 
				WHERE group_id = $group_id";
			$result = $db->sql_query($sql);
			$group_row = $db->sql_fetchrow($result);
			$db->sql_freeresult($result);

			if (!$group_row)
			{
				trigger_error($user->lang['NO_GROUP'] . adm_back_link($this->u_action), E_USER_WARNING);
			}

			// Check if the user is allowed to manage this group if set to founder only.
			if ($user->data['user_type'] != USER_FOUNDER && $group_row['group_founder_manage'])
			{
				trigger_error($user->lang['NOT_ALLOWED_MANAGE_GROUP'] . adm_back_link($this->u_action), E_USER_WARNING);
			}
		}

		// Which page?
		switch ($action)
		{
			case 'approve':
			case 'demote':
			case 'promote':
				if (!$group_id)
				{
					trigger_error($user->lang['NO_GROUP'] . adm_back_link($this->u_action), E_USER_WARNING);
				}

				// Approve, demote or promote
				group_user_attributes($action, $group_id, $mark_ary, false, $group_row['group_name']);

				switch ($action)
				{
					case 'demote':
						$message = 'GROUP_MODS_DEMOTED';
					break;

					case 'promote':
						$message = 'GROUP_MODS_PROMOTED';
					break;

					case 'approve':
						$message = 'USERS_APPROVED';
					break;
				}

				group_update_listings($group_id);

				trigger_error($user->lang[$message] . adm_back_link($this->u_action . '&amp;action=list&amp;g=' . $group_id));
			break;

			case 'default':
				if (!$group_id)
				{
					trigger_error($user->lang['NO_GROUP'] . adm_back_link($this->u_action), E_USER_WARNING);
				}

				if (confirm_box(true))
				{
					if (!sizeof($mark_ary))
					{
						$start = 0;

						do
						{
							$sql = 'SELECT user_id 
								FROM ' . USER_GROUP_TABLE . "
								WHERE group_id = $group_id 
								ORDER BY user_id";
							$result = $db->sql_query_limit($sql, 200, $start);

							$mark_ary = array();
							if ($row = $db->sql_fetchrow($result))
							{
								do
								{
									$mark_ary[] = $row['user_id'];
								}
								while ($row = $db->sql_fetchrow($result));

								group_user_attributes('default', $group_id, $mark_ary, false, $group_row['group_name'], $group_row);

								$start = (sizeof($mark_ary) < 200) ? 0 : $start + 200;
							}
							else
							{
								$start = 0;
							}
							$db->sql_freeresult($result);
						}
						while ($start);
					}
					else
					{
						group_user_attributes('default', $group_id, $mark_ary, false, $group_row['group_name'], $group_row);
					}

					group_update_listings($group_id);

					trigger_error($user->lang['GROUP_DEFS_UPDATED'] . adm_back_link($this->u_action . '&amp;action=list&amp;g=' . $group_id));
				}
				else
				{
					confirm_box(false, $user->lang['CONFIRM_OPERATION'], build_hidden_fields(array(
						'mark'		=> $mark_ary,
						'g'			=> $group_id,
						'i'			=> $id,
						'mode'		=> $mode,
						'action'	=> $action))
					);
				}

			break;

			case 'deleteusers':
			case 'delete':
				if (confirm_box(true))
				{
					if (!$group_id)
					{
						trigger_error($user->lang['NO_GROUP'] . adm_back_link($this->u_action), E_USER_WARNING);
					}

					$error = '';

					switch ($action)
					{
						case 'delete':
							if (!$auth->acl_get('a_groupdel'))
							{
								trigger_error($user->lang['NO_AUTH_OPERATION'] . adm_back_link($this->u_action), E_USER_WARNING);
							}

							$error = group_delete($group_id, $group_row['group_name']);
						break;

						case 'deleteusers':
							$error = group_user_del($group_id, $mark_ary, false, $group_row['group_name']);
						break;
					}

					$back_link = ($action == 'delete') ? $this->u_action : $this->u_action . '&amp;action=list&amp;g=' . $group_id;

					if ($error)
					{
						trigger_error($user->lang[$error] . adm_back_link($back_link), E_USER_WARNING);
					}

					$message = ($action == 'delete') ? 'GROUP_DELETED' : 'GROUP_USERS_REMOVE';
					trigger_error($user->lang[$message] . adm_back_link($back_link));
				}
				else
				{
					confirm_box(false, $user->lang['CONFIRM_OPERATION'], build_hidden_fields(array(
						'mark'		=> $mark_ary,
						'g'			=> $group_id,
						'i'			=> $id,
						'mode'		=> $mode,
						'action'	=> $action))
					);
				}
			break;

			case 'addusers':
				if (!$group_id)
				{
					trigger_error($user->lang['NO_GROUP'] . adm_back_link($this->u_action), E_USER_WARNING);
				}

				if (!$name_ary)
				{
					trigger_error($user->lang['NO_USERS'] . adm_back_link($this->u_action . '&amp;action=list&amp;g=' . $group_id), E_USER_WARNING);
				}

				$name_ary = array_unique(explode("\n", $name_ary));
				$group_name = ($group_row['group_type'] == GROUP_SPECIAL) ? $user->lang['G_' . $group_row['group_name']] : $group_row['group_name'];

				// Add user/s to group
				if ($error = group_user_add($group_id, false, $name_ary, $group_name, $default, $leader, 0, $group_row))
				{
					trigger_error($user->lang[$error] . adm_back_link($this->u_action . '&amp;action=list&amp;g=' . $group_id), E_USER_WARNING);
				}

				$message = ($leader) ? 'GROUP_MODS_ADDED' : 'GROUP_USERS_ADDED';
				trigger_error($user->lang[$message] . adm_back_link($this->u_action . '&amp;action=list&amp;g=' . $group_id));
			break;

			case 'edit':
			case 'add':

				$data = $submit_ary = array();

				if ($action == 'edit' && !$group_id)
				{
					trigger_error($user->lang['NO_GROUP'] . adm_back_link($this->u_action), E_USER_WARNING);
				}

				if ($action == 'add' && !$auth->acl_get('a_groupadd'))
				{
					trigger_error($user->lang['NO_AUTH_OPERATION'] . adm_back_link($this->u_action), E_USER_WARNING);
				}

				$error = array();
				$user->add_lang('ucp');
			
				$avatar_select = basename(request_var('avatar_select', ''));
				$category = basename(request_var('category', ''));

				// Did we submit?
				if ($update)
				{
					$group_name	= request_var('group_name', '', true);
					$group_desc = request_var('group_desc', '', true);
					$group_type	= request_var('group_type', GROUP_FREE);

					$allow_desc_bbcode	= request_var('desc_parse_bbcode', false);
					$allow_desc_urls	= request_var('desc_parse_urls', false);
					$allow_desc_smilies	= request_var('desc_parse_smilies', false);

					$data['uploadurl']	= request_var('uploadurl', '');
					$data['remotelink'] = request_var('remotelink', '');
					$delete				= request_var('delete', '');

					$submit_ary = array(
						'colour'			=> request_var('group_colour', ''),
						'rank'				=> request_var('group_rank', 0),
						'receive_pm'		=> isset($_REQUEST['group_receive_pm']) ? 1 : 0,
						'legend'			=> isset($_REQUEST['group_legend']) ? 1 : 0,
						'message_limit'		=> request_var('group_message_limit', 0),
					);

					if ($user->data['user_type'] == USER_FOUNDER)
					{
						$submit_ary['founder_manage'] = isset($_REQUEST['group_founder_manage']) ? 1 : 0;
					}
					else
					{
						$submit_ary['founder_manage'] = 0;
					}

					if (!empty($_FILES['uploadfile']['tmp_name']) || $data['uploadurl'] || $data['remotelink'])
					{
						$data['width']		= request_var('width', '');
						$data['height']		= request_var('height', '');

						// Avatar stuff
						$var_ary = array(
							'uploadurl'		=> array('string', true, 5, 255), 
							'remotelink'	=> array('string', true, 5, 255), 
							'width'			=> array('string', true, 1, 3), 
							'height'		=> array('string', true, 1, 3), 
						);

						if (!($error = validate_data($data, $var_ary)))
						{
							$data['user_id'] = "g$group_id";

							if ((!empty($_FILES['uploadfile']['tmp_name']) || $data['uploadurl']) && $can_upload)
							{
								list($submit_ary['avatar_type'], $submit_ary['avatar'], $submit_ary['avatar_width'], $submit_ary['avatar_height']) = avatar_upload($data, $error);
							}
							else if ($data['remotelink'])
							{
								list($submit_ary['avatar_type'], $submit_ary['avatar'], $submit_ary['avatar_width'], $submit_ary['avatar_height']) = avatar_remote($data, $error);
							}
						}
					}
					else if ($avatar_select && $config['allow_avatar_local'])
					{
						// check avatar gallery
						if (is_dir($phpbb_root_path . $config['avatar_gallery_path'] . '/' . $category))
						{
							$submit_ary['avatar_type'] = AVATAR_GALLERY;

							list($submit_ary['avatar_width'], $submit_ary['avatar_height']) = getimagesize($phpbb_root_path . $config['avatar_gallery_path'] . '/' . $category . '/' . $avatar_select);
							$submit_ary['avatar'] = $category . '/' . $avatar_select;
						}
					}
					else if ($delete)
					{
						$submit_ary['avatar'] = '';
						$submit_ary['avatar_type'] = $submit_ary['avatar_width'] = $submit_ary['avatar_height'] = 0;
					}

					if ((isset($submit_ary['avatar']) && $submit_ary['avatar'] && (!isset($group_row['group_avatar']) || $group_row['group_avatar'] != $submit_ary['avatar'])) || $delete)
					{
						if (isset($group_row['group_avatar']) && $group_row['group_avatar'])
						{
							avatar_delete('group', $group_row);
						}
					}

					if (!sizeof($error))
					{
						// Only set the rank, colour, etc. if it's changed or if we're adding a new
						// group. This prevents existing group members being updated if no changes 
						// were made.

						$group_attributes = array();
						$test_variables = array('rank', 'colour', 'avatar', 'avatar_type', 'avatar_width', 'avatar_height', 'receive_pm', 'legend', 'message_limit', 'founder_manage');
						foreach ($test_variables as $test)
						{
							if (isset($submit_ary[$test]) && ($action == 'add' || $group_row['group_' . $test] != $submit_ary[$test]))
							{
								$group_attributes['group_' . $test] = $group_row['group_' . $test] = $submit_ary[$test];
							}
						}

						if (!($error = group_create($group_id, $group_type, $group_name, $group_desc, $group_attributes, $allow_desc_bbcode, $allow_desc_urls, $allow_desc_smilies)))
						{
							$group_perm_from = request_var('group_perm_from', 0);

							// Copy permissions?
							if ($group_perm_from && $action == 'add')
							{
								// From the mysql documentation:
								// Prior to MySQL 4.0.14, the target table of the INSERT statement cannot appear in the FROM clause of the SELECT part of the query. This limitation is lifted in 4.0.14.
								// Due to this we stay on the safe side if we do the insertion "the manual way"