<?php
# -- BEGIN LICENSE BLOCK ---------------------------------------
#
# This file is part of Dotclear 2.
#
# Copyright (c) 2003-2013 Olivier Meunier & Association Dotclear
# Licensed under the GPL version 2.0 license.
# See LICENSE file or
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK -----------------------------------------

require dirname(__FILE__).'/../inc/admin/prepend.php';

dcPage::checkSuper();

$users = array();
if (!empty($_POST['users']) && is_array($_POST['users']))
{
	foreach ($_POST['users'] as $u)
	{
		if ($core->userExists($u)) {
			$users[] = $u;
		}
	}
}

$blogs = array();
if (!empty($_POST['blogs']) && is_array($_POST['blogs']))
{
	foreach ($_POST['blogs'] as $b)
	{
		if ($core->blogExists($b)) {
			$blogs[] = $b;
		}
	}
}

/* Actions
-------------------------------------------------------- */
if (!empty($_POST['action']) && !empty($_POST['users']))
{
	$action = $_POST['action'];

	if (isset($_POST['redir']) && strpos($_POST['redir'],'://') === false)
	{
		$redir = $_POST['redir'];
	}
	else
	{
		$redir =
		'users.php?q='.$_POST['q'].
		'&sortby='.$_POST['sortby'].
		'&order='.$_POST['order'].
		'&page='.$_POST['page'].
		'&nb='.$_POST['nb'];
	}

	if (empty($users)) {
		$core->error->add(__('No blog or user given.'));
	}

	# --BEHAVIOR-- adminUsersActions
	$core->callBehavior('adminUsersActions',$core,$users,$blogs,$action,$redir);

	# Delete users
	if ($action == 'deleteuser' && !empty($users))
	{
		foreach ($users as $u)
		{
			try
			{
				if ($u == $core->auth->userID()) {
					throw new Exception(__('You cannot delete yourself.'));
				}

				# --BEHAVIOR-- adminBeforeUserDelete
				$core->callBehavior('adminBeforeUserDelete',$u);

				$core->delUser($u);
			}
			catch (Exception $e)
			{
				$core->error->add($e->getMessage());
			}
		}
		if (!$core->error->flag()) {
			dcPage::addSuccessNotice(__('User has been successfully deleted.'));
			http::redirect($redir);
		}
	}

	# Update users perms
	if ($action == 'updateperm' && !empty($users) && !empty($blogs))
	{
		try
		{
			if (empty($_POST['your_pwd']) || !$core->auth->checkPassword(crypt::hmac(DC_MASTER_KEY,$_POST['your_pwd']))) {
				throw new Exception(__('Password verification failed'));
			}

			foreach ($users as $u)
			{
				foreach ($blogs as $b)
				{
					$set_perms = array();

					if (!empty($_POST['perm'][$b]))
					{
						foreach ($_POST['perm'][$b] as $perm_id => $v)
						{
							if ($v) {
								$set_perms[$perm_id] = true;
							}
						}
					}

					$core->setUserBlogPermissions($u,$b,$set_perms,true);
				}
			}
		}
		catch (Exception $e)
		{
			$core->error->add($e->getMessage());
		}
		if (!$core->error->flag()) {
			dcPage::addSuccessNotice(__('User has been successfully updated.'));
			http::redirect($redir);
		}
	}
}

/* DISPLAY
-------------------------------------------------------- */
if (!empty($users) && empty($blogs) && $action == 'blogs') {
	$breadcrumb = dcPage::breadcrumb(
		array(
			__('System') => '',
			__('Users') => 'users.php',
			__('Permissions') => ''
		));
} else {
	$breadcrumb = dcPage::breadcrumb(
		array(
			__('System') => '',
			__('Users') => 'users.php',
			__('Actions') => ''
		));
}

dcPage::open(
	__('Users'),
	dcPage::jsLoad('js/_users_actions.js').
	# --BEHAVIOR-- adminUsersActionsHeaders
	$core->callBehavior('adminUsersActionsHeaders'),
	$breadcrumb
);

if (!isset($action)) {
	dcPage::close();
	exit;
}

$hidden_fields = '';
foreach($users as $u) {
	$hidden_fields .= form::hidden(array('users[]'),$u);
}

if (isset($_POST['redir']) && strpos($_POST['redir'],'://') === false)
{
	$hidden_fields .= form::hidden(array('redir'),html::escapeURL($_POST['redir']));
}
else
{
	$hidden_fields .=
	form::hidden(array('q'),html::escapeHTML($_POST['q'])).
	form::hidden(array('sortby'),$_POST['sortby']).
	form::hidden(array('order'),$_POST['order']).
	form::hidden(array('page'),$_POST['page']).
	form::hidden(array('nb'),$_POST['nb']);
}

echo '<p><a class="back" href="'.html::escapeURL($redir).'">'.__('Back to user profile').'</a></p>';

# --BEHAVIOR-- adminUsersActionsContent
$core->callBehavior('adminUsersActionsContent',$core,$action,$hidden_fields);

# Blog list where to set permissions
if (!empty($users) && empty($blogs) && $action == 'blogs')
{
	try {
		$rs = $core->getBlogs();
		$nb_blog = $rs->count();
	} catch (Exception $e) { }

	foreach ($users as $u) {
		$user_list[] = '<a href="user.php?id='.$u.'">'.$u.'</a>';
	}

	echo
	'<p>'.sprintf(
		__('Choose one or more blogs to which you want to give permissions to users %s.'),
		implode(', ',$user_list)
	).'</p>';

	if ($nb_blog == 0)
	{
		echo '<p><strong>'.__('No blog').'</strong></p>';
	}
	else
	{
		echo
		'<form action="users_actions.php" method="post" id="form-blogs">'.
		'<div class="table-outer clear">'.
		'<table><tr>'.
		'<th class="nowrap" colspan="2">'.__('Blog ID').'</th>'.
		'<th class="nowrap">'.__('Blog name').'</th>'.
		'<th class="nowrap">'.__('Entries').'</th>'.
		'<th class="nowrap">'.__('Status').'</th>'.
		'</tr>';

		while ($rs->fetch())
		{
			$img_status = $rs->blog_status == 1 ? 'check-on' : 'check-off';
			$txt_status = $core->getBlogStatus($rs->blog_status);
			$img_status = sprintf('<img src="images/%1$s.png" alt="%2$s" title="%2$s" />',$img_status,$txt_status);

			echo
			'<tr class="line">'.
			'<td class="nowrap">'.
			form::checkbox(array('blogs[]'),$rs->blog_id,'','','',false,'title="'.__('select').' '.$rs->blog_id.'"').'</td>'.
			'<td class="nowrap">'.$rs->blog_id.'</td>'.
			'<td class="maximal">'.html::escapeHTML($rs->blog_name).'</td>'.
			'<td class="nowrap">'.$core->countBlogPosts($rs->blog_id).'</td>'.
			'<td class="status">'.$img_status.'</td>'.
			'</tr>';
		}

		echo
		'</table></div>'.
		'<p class="checkboxes-helpers"></p>'.
		'<p><input type="submit" value="'.__('Set permissions').'" />'.
		$hidden_fields.
		form::hidden(array('action'),'perms').
		$core->formNonce().'</p>'.
		'</form>';
	}
}
# Permissions list for each selected blogs
elseif (!empty($blogs) && !empty($users) && $action == 'perms')
{
	$user_perm = array();
	if (count($users) == 1) {
			$user_perm = $core->getUserPermissions($users[0]);
	}

	foreach ($users as $u) {
		$user_list[] = '<a href="user.php?id='.$u.'">'.$u.'</a>';
	}

	echo
	'<p>'.sprintf(
		__('You are about to change permissions on the following blogs for users %s.'),
		implode(', ',$user_list)
	).'</p>'.
	'<form id="permissions-form" action="users_actions.php" method="post">';

	foreach ($blogs as $b)
	{
		echo '<h3>'.('Blog:').' <a href="blog.php?id='.html::escapeHTML($b).'">'.html::escapeHTML($b).'</a>'.
		form::hidden(array('blogs[]'),$b).'</h3>';
		$unknown_perms = $user_perm;
		foreach ($core->auth->getPermissionsTypes() as $perm_id => $perm)
		{
			$checked = false;

			if (count($users) == 1) {
				$checked = isset($user_perm[$b]['p'][$perm_id]) && $user_perm[$b]['p'][$perm_id];
			}
			if (isset($unknown_perms[$b]['p'][$perm_id])) {
				unset ($unknown_perms[$b]['p'][$perm_id]);
			}

			echo
			'<p><label for="perm'.html::escapeHTML($b).html::escapeHTML($perm_id).'" class="classic">'.
			form::checkbox(array('perm['.html::escapeHTML($b).']['.html::escapeHTML($perm_id).']','perm'.html::escapeHTML($b).html::escapeHTML($perm_id)),
			1,$checked).' '.
			__($perm).'</label></p>';
		}
		if (isset($unknown_perms[$b])) {

			foreach ($unknown_perms[$b]['p'] as $perm_id => $v) {
				$checked = isset($user_perm[$b]['p'][$perm_id]) && $user_perm[$b]['p'][$perm_id];
				echo
				'<p><label for="perm'.html::escapeHTML($b).html::escapeHTML($perm_id).'" class="classic">'.
				form::checkbox(
					array('perm['.html::escapeHTML($b).']['.html::escapeHTML($perm_id).']',
						'perm'.html::escapeHTML($b).html::escapeHTML($perm_id)),
					1,$checked).' '.
				sprintf(__('[%s] (unreferenced permission)'),$perm_id).'</label></p>';
			}
		}
	}

	echo
	'<div class="fieldset">'.
	'<h3>'.__('Validate permissions').'</h3>'.
	'<p><label for="your_pwd" class="required"><abbr title="'.__('Required field').'">*</abbr> '.__('Your password:').'</label>'.
	form::password('your_pwd',20,255).'</p>'.
	'<p><input type="submit" accesskey="s" value="'.__('Save').'" />'.
	$hidden_fields.
	form::hidden(array('action'),'updateperm').
	$core->formNonce().'</p>'.
	'</div>'.
	'</form>';
}

dcPage::helpBlock('core_users');
dcPage::close();