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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* STBlog Blogging System
*
* 基于Codeigniter的单用户多权限开源博客系统
*
* STBlog is an open source multi-privilege blogging System built on the
* well-known PHP framework Codeigniter.
*
* @package STBLOG
* @author Saturn <huyanggang@gmail.com>
* @copyright Copyright (c) 2009 - 2010, cnsaturn.com.
* @license GNU General Public License 2.0
* @link http://code.google.com/p/stblog/
* @version 0.1.0
*/
// ------------------------------------------------------------------------
/**
* STBLOG Comments Controller Class
*
* 留言和引用的管理
*
* @package STBLOG
* @subpackage Controller
* @category Admin Controller
* @author Saturn <huyanggang@gmail.com>
* @link http://code.google.com/p/stblog/
*/
class Comments extends ST_Auth_Controller {
/**
* 传递到对应视图的数据
*
* @access private
* @var array
*/
private $_data = array();
/**
* 构造函数
*
* @access public
* @return void
*/
public function __construct()
{
parent::__construct();
/** 权限确认 */
$this->auth->exceed('contributor');
$this->load->helper('json');
$this->_data['parentPage'] = 'manage-posts';
$this->_data['currentPage'] = 'manage-comments';
}
/**
* 默认执行函数
*
* @access public
* @return void
*/
public function index()
{
redirect('admin/comments/manage');
}
/**
* 管理留言和引用
*
* @access public
* @param string $status 状态
* @return void
*/
public function manage($status = 'approved')
{
$query = array();
/** 默认标题 */
$this->_data['page_title'] = '管理评论和引用';
/** 如果具有编辑以上权限,可以查看所有评论,反之只能查看自己文章的评论 */
$owner_id = $this->user->uid;
if($this->auth->exceed('editor',TRUE))
{
$all_posts = $this->input->get('__all_comments',TRUE);
if(empty($all_posts))
{
if('on' == $this->session->userdata('__all_comments'))
{
$owner_id = NULL;
}
}
else if('on' == $all_posts)
{
$this->session->set_userdata('__all_comments', 'on');
$owner_id = NULL;
}
else if('off' == $all_posts)
{
$this->session->unset_userdata('__all_comments');
}
}
/** 标题过滤，用于搜索 */
$filter = $this->input->get('keywords', TRUE);
if(!empty($filter))
{
$this->_data['page_title'] = '搜索评论：'. $filter;
$query[] = 'keywords='. $filter;
}
/** 查看日志下的评论 */
$pid = $this->input->get('pid',TRUE);
if(!empty($pid))
{
$post = $this->posts_mdl->get_post_by_id('pid', $pid);
if(empty($post))
{
show_error('ERROR!');
exit();
}
$this->_data['page_title'] = '文章：'. $post->title .' 的评论';
unset($post);
$query[] = 'pid='.$pid;
}
/** 分页设置 */
$page = $this->input->get('p', TRUE);
$page = ($page && is_numeric($page)) ? intval($page) : 1;
$limit = 10;
$offset = ($page - 1) * $limit;
$pagination = '';
if($offset < 0)
{
redirect('admin/comments/manage');
}
$comments = ($pid && is_numeric($pid))
?$this->comments_mdl->get_cmts($pid, '', $status, $limit, $offset, 'DESC', $filter)
:$this->comments_mdl->get_cmts_by_owner('', $status, $owner_id, $limit, $offset, 'DESC',$filter);
$comments_count = ($pid && is_numeric($pid))
?$this->comments_mdl->get_cmts($pid, '', $status, 10000, 0, 'DESC', $filter)->num_rows()
:$this->posts_mdl->get_posts('', $status, $owner_id, 10000, 0, 'DESC',$filter)->num_rows();
if($comments)
{
foreach($comments->result() as $comment)
{
$comment->post = $this->posts_mdl->get_post_by_id('pid', $comment->pid);
}
$pagination = '';
if($comments_count > $limit)
{
$this->dpagination->currentPage($page);
$this->dpagination->items($comments_count);
$this->dpagination->limit($limit);
$this->dpagination->adjacents(5);
$this->dpagination->target(site_url('admin/comments/manage/'. $status .'?'.implode('&',$query)));
$this->dpagination->parameterName('p');
$this->dpagination->nextLabel('下一页');
$this->dpagination->PrevLabel('上一页');
$pagination = $this->dpagination->getOutput();
}
$this->_data['pagination'] = $pagination;
}
$this->_data['comments'] = $comments;
$this->_data['status'] = $status;
$this->load->view('admin/manage_comments',$this->_data);
}
/**
* 操作留言和引用
*
* @access public
* @return void
*/
public function operate()
{
/** 尝试get获取数据 */
$action = $this->input->get('do',TRUE);
/* 不是get传递来的数据? */
if(empty($action))
{
/** 换post试试 */
$action = $this->input->post('do',TRUE);
}
switch($action)
{
case 'get':
$this->_get();
break;
case 'edit':
$this->_edit();
break;
case 'spam':
$this->_spam();
break;
case 'approved';
$this->_approved();
break;
case 'waiting':
$this->_waiting();
break;
case 'delete':
$this->_delete();
break;
case 'delete-spam':
$this->_delete_spam();
break;
default:
show_404();
break;
}
}
/**
* 获得一条评论内容（ajax）
*
* @access private
* @return void
*/
private function _get()
{
$cid = $this->input->get('cid',TRUE);
$comment = $this->comments_mdl->get_cmt($cid);
if($comment && $this->_is_cmt_writable($comment))
{
throwJson(array(
'success' => 1,
'comment' => $comment
));
}
else
{
throwJson(array(
'success' => 0,
'comment' => '获取评论失败'
));
}
}
/**
* 编辑
*
* @access private
* @return void
*/
private function _edit()
{
$cid = $this->input->get('cid',TRUE);
//to do: 添加验证配置
$comment = $this->comments_mdl->get_cmt($cid);
if($comment && $this->_is_cmt_writable($comment))
{
$data = array(
'text' => trim($this->input->post('text',TRUE)),
'author' => trim($this->input->post('author',TRUE)),
'mail' => trim($this->input->post('mail',TRUE)),
'url' => trim($this->input->post('url',TRUE))
);
$this->comments_mdl->update_cmt($cid, $data);
$updated = $this->comments_mdl->get_cmt($cid);
throwJson(array(
'success' => 1,
'comment' => $updated
));
}
throwJson(array(
'success' => 0,
'comment' => '修改评论失败'
));
}
/**
* 是否可写
*
* @access private
* @param object $comment 评论对象
* @return bool
*/
private function _is_cmt_writable($comment)
{
if($this->auth->exceed('editor',TRUE))
{
return TRUE;
}
if($comment->ownerid == $this->user->uid)
{
return TRUE;
}
return FALSE;
}
/**
* 处理垃圾评论
*
* @access private
* @return void
*/
private function _spam()
{
$comments = $this->_fetch_cid_as_array();
$affected_rows = 0;
if(!empty($comments))
{
foreach($comments as $comment)
{
if($this->mark($comment, 'spam'))
{
$affected_rows ++;
}
}
}
($affected_rows >0)
?$this->_redirect_with_msg('success', '评论已经被标记为垃圾')
:$this->_redirect_with_msg('error', '没有评论被标记为垃圾');
}
/**
* 处理待审核评论
*
* @access private
* @return void
*/
private function _waiting()
{
$comments = $this->_fetch_cid_as_array();
$affected_rows = 0;
if(!empty($comments))
{
foreach($comments as $comment)
{
if($this->mark($comment,'waiting'))
{
$affected_rows ++;
}
}
}
($affected_rows >0)
?$this->_redirect_with_msg('success', '评论已经被标记为待审核')
:$this->_redirect_with_msg('error', '没有评论被标记为待审核');
}
/**
* 处理正常通过评论
*
* @access private
* @return void
*/
private function _approved()
{
$comments = $this->_fetch_cid_as_array();
$affected_rows = 0;
if(!empty($comments))
{
foreach($comments as $comment)
{
if($this->mark($comment,'approved'))
{
$affected_rows ++;
}
}
}
($affected_rows >0)
?$this->_redirect_with_msg('success', '评论已经被标记为已通过')
:$this->_redirect_with_msg('error', '没有评论被标记为已通过');
}
/**
* 删除评论
*
* @access private
* @return void
*/
private function _delete()
{
$comments = $this->_fetch_cid_as_array();
$deleted = 0;
if(!empty($comments))
{
foreach($comments as $comment)
{
$comment = $this->comments_mdl->get_cmt($comment);
/** 删除评论 */
$this->comments_mdl->remove_cmt(array('cid' => $comment->cid));
/** 更新相关评论数 */
if('approved' == $comment->status)
{
$this->posts_mdl->cmts_num_minus($comment->pid);
}
$deleted ++;
}
}
($deleted >0)
?$this->_redirect_with_msg('success', '成功删除评论')
:$this->_redirect_with_msg('error', '没有评论被删除');
}
/**
* 删除垃圾评论
*
* @access private
* @return void
*/
private function _delete_spam()
{
$condition = array('status' => 'spam');
if('on' !== $this->session->userdata('__all_comments') && !$this->auth->exceed('editor',TRUE))
{
array_push($condition, array('ownerid' => $this->user->uid));
}
if($this->input->get('pid',TRUE))
{
array_push($condition, array('pid' => $this->input->get('pid',TRUE)));
}
$this->comments_mdl->remove_cmt($condition);
$this->_redirect_with_msg('success', '成功删除所有垃圾评论');
}
/**
* 标记评论状态
*
* @access private
* @param integer $cid 评论主键
* @param string $status 状态
* @return boolean
*/
public function mark($cid, $status)
{
$comment = $this->comments_mdl->get_cmt($cid);
if($comment && $this->_is_cmt_writable($comment))
{
/** 不必更新的情况 */
if($status == $comment->status)
{
return FALSE;
}
/** 更新评论 */
$this->comments_mdl->update_cmt($cid, array('status' => $status));
/** 更新相关内容的评论数 */
if ('approved' == $comment->status && 'approved' != $status)
{
$this->posts_mdl->cmts_num_minus($comment->pid);
}
else if ('approved' != $comment->status && 'approved' == $status)
{
$this->posts_mdl->cmts_num_plus($comment->pid);
}
return TRUE;
}
return FALSE;
}
/**
* 获取待操作的评论ID数组
*
* @access private
* @return array
*/
private function _fetch_cid_as_array()
{
/** 尝试get获取数据 */
$cid = $this->input->get('cid',TRUE);
/* 不是get传递来的数据? */
if(empty($cid))
{
/** 换post试试 */
$cid = $this->input->post('cid',TRUE);
}
return $cid ? (is_array($cid) ? $cid : array($cid)) : array();
}
private function _redirect_with_msg($flag, $msg)
{
$this->session->set_flashdata($flag, $msg);
go_back();
}
}
/* End of file Comments.php */
/* Location: ./application/controllers/admin/Comments.php */