<?php
/*=====================================================================*\
|| ###################################################################
|| # Bugdar
|| # Copyright (c)2004-2009 Blue Static
|| #
|| # This program is free software; you can redistribute it and/or modify
|| # it under the terms of the GNU General Public License as published by
|| # the Free Software Foundation; version 2 of the License.
|| #
|| # This program 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.
|| #
|| # You should have received a copy of the GNU General Public License along
|| # with this program; if not, write to the Free Software Foundation, Inc.,
|| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|| ###################################################################
\*=====================================================================*/

// TODO - look at an API for permission.php

require_once('./global.php');
require_once('./includes/functions_datastore.php');

NavLinks::usersPages();
$navigator->set_focus('tab', 'users', null);
$navigator->set_focus('link', 'users-pages-permissions', 'users-pages');

if (!can_perform('canadmingroups'))
{
	admin_login();
}

// ###################################################################
// define permissions as groups

$permissions = array(
	T('General Permissions') => array(
		'canviewbugs' => T('Can View Bugs'),
		'canviewhidden' => T('Can View All Hidden Bugs and Comments'),
		'canviewownhidden' => T('Can View Own Hidden Bugs'),
		'cansubscribe' => T('Can Subscribe to Bugs'),
	),
	
	T('Posting/Submitting Permissions') => array(
		'canvote' => T('Can Vote on Polls'),
		'cansubmitbugs' => T('Can Submit Bugs'),
		'canpostcomments' => T('Can Post Comments'),
		'cangetattach' => T('Can View Attachments'),
		'canputattach' => T('Can Upload/Edit Own Attachments'),
		'caneditattach' => T('Can Manage All Attachments')
	),
	
	T('Moderation/Managment Permissions') => array(
		'caneditown' => T('Can Edit Own Bugs'),
		'caneditother' => T('Can Edit Others\' Bugs'),
		'caneditownreply' => T('Can Edit Own Comments'),
		'caneditotherreply' => T('Can Edit Others\' Comments'),
		'canassign' => T('Can Assign Bugs'),
		'canchangestatus' => T('Can Change Status'),
		'candeletedata' => T('Can Delete Bugs and Comments')
	)
);

// ###################################################################

if (empty($_REQUEST['do']))
{
	$_REQUEST['do'] = 'modify';
}

// ###################################################################

if ($_REQUEST['do'] == 'kill')
{
	$input->inputClean('usergroupid', TYPE_UINT);
	$db->query("DELETE FROM " . TABLE_PREFIX . "permission WHERE usergroupid = " . $input->in['usergroupid'] . " AND productid = " . $input->inputClean('productid', TYPE_UINT));
	
	build_permissions();
	
	$admin->redirect('permission.php?do=modify&usergroupid=' . $input->in['usergroupid']);
}

// ###################################################################

if ($_REQUEST['do'] == 'delete')
{
	$admin->page_confirm(T('Are you sure you want to revert this permission mask?'), 'permission.php', 'kill', array('usergroupid' => $input->inputClean('usergroupid', TYPE_UINT), 'productid' => $input->inputClean('productid', TYPE_UINT)));
}

// ###################################################################

if ($_REQUEST['do'] == 'edit')
{
	$input->inputClean_array(array(
		'usergroupid'	=> TYPE_UINT,
		'productid'		=> TYPE_UINT
	));
	$perm = $db->queryFirst("SELECT * FROM " . TABLE_PREFIX . "permission WHERE usergroupid = " . $input->in['usergroupid'] . " AND productid = " . $input->in['productid']);
	$usergroup = $db->queryFirst("SELECT * FROM " . TABLE_PREFIX . "usergroup WHERE usergroupid = " . $input->in['usergroupid']);
	$product = $db->queryFirst("SELECT * FROM " . TABLE_PREFIX . "product WHERE productid = " . $input->in['productid']);
	
	if (!$usergroup OR !$product)
	{
		$admin->error(L_INVALID_ID);
	}
	
	$admin->page_start(T('Edit Permissions'));
	
	$admin->form_start('permission.php', 'update');
	$admin->form_hidden_field('usergroupid', $usergroup['usergroupid']);
	$admin->form_hidden_field('productid', $product['productid']);
	
	// determine the value to work off of
	if ($perm)
	{
		$mask = $perm['mask'];
	}
	else
	{
		$mask = $usergroup['permissions'];
	}
	
	// Permission
	$admin->table_start();
	$admin->table_head(sprintf(T('Permissions: %1$s - %2$s'), $usergroup['title'], $product['title']));
	
	foreach ($permissions AS $group => $settings)
	{
		$admin->row_span($group, 'thead', 'center');
		foreach ($settings AS $setting => $name)
		{
			$admin->row_yesno($name, "perm[$setting]", ($mask & bugdar::$permissions["$setting"]));
		}
	}

	$admin->row_submit();
	$admin->table_end();
	$admin->form_end();
	$admin->page_end();
}

// ###################################################################

if ($_POST['do'] == 'update')
{
	$input->inputClean_array(array(
		'perm'			=> TYPE_UINT,
		'usergroupid'	=> TYPE_UINT,
		'productid'		=> TYPE_UINT
	));
	foreach ($input->in['perm'] AS $permtitle => $binaryswitch)
	{
		$permissionvalue += bugdar::$permissions["$permtitle"] * $binaryswitch;
	}
	
	$db->query("
		REPLACE INTO " . TABLE_PREFIX . "permission
			(usergroupid, productid, mask)
		VALUES
			(" . $input->in['usergroupid'] . ",
			" . $input->in['productid'] . ",
			$permissionvalue
		)"
	);
	
	build_permissions();
	
	$admin->redirect('permission.php?do=modify&usergroupid=' . $input->in['usergroupid']);
}

// ###################################################################

if ($_REQUEST['do'] == 'modify')
{
	$admin->page_start(T('Permission Manager'));
	
	$admin->table_start();
	$admin->table_head(T('Permission Manager'));
	
	$groups = $db->query("SELECT * FROM " . TABLE_PREFIX . "usergroup ORDER BY usergroupid ASC");
	foreach ($groups as $group)
	{
		$usergroups["$group[usergroupid]"] = $group;
	}
	$db->free_result($groups);
	
	foreach ($usergroups AS $group)
	{
		$admin->row_text($group['title'], ($input->in['usergroupid'] != $group['usergroupid'] ? "<a href=\"permission.php?do=modify&amp;usergroupid=$group[usergroupid]\">[" . T('Expand') . "]</a>" : ''), 'top', 2, 'alt3');
		
		if ($input->in['usergroupid'] == $group['usergroupid'])
		{
			$permissions_fetch = $db->query("SELECT * FROM " . TABLE_PREFIX . "permission WHERE usergroupid = $group[usergroupid]");
			foreach ($permissions_fetch as $permission)
			{
				$permissions["$permission[productid]"] = $permission['mask'];
			}
			
			$products_fetch = $db->query("SELECT * FROM " . TABLE_PREFIX . "product WHERE !parentid OR parentid IS NULL ORDER BY displayorder ASC");
			foreach ($products_fetch as $product)
			{
				$groupid = $group['usergroupid'];
				$prodid = $product['productid'];
				
				if (!isset($permissions["$product[productid]"]))
				{
					$statuslink = T('Inherited From Usergroup Settings: ');
					$statuslink .= "<a href=\"permission.php?do=edit&amp;usergroupid=$groupid&amp;productid=$prodid\">[" . T('Customize') . ']</a>';
				}
				else
				{
					$statuslink = T('Customized: ');
					$statuslink .= "<a href=\"permission.php?do=edit&amp;usergroupid=$groupid&amp;productid=$prodid\">[" . T('Edit') . ']</a>';
					$statuslink .= " <a href=\"permission.php?do=delete&amp;usergroupid=$groupid&amp;productid=$prodid\">[" . T('Revert') . ']</a>';
				}
				
				$admin->row_text($product['title'], $statuslink);
			}
		}
	}
	
	$admin->table_end();
	
	$admin->page_end();
}

?>