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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 内容控制器
*
* 主要用于控制日志相关内容的功能表现
*
* @package STBLOG
* @subpackage Controllers
* @category Front-controllers
* @author Saturn <huyanggang@gmail.com>
* @link http://code.google.com/p/stblog/
*/
class Home extends ST_Controller
{
/**
* 当前uri
*
* @access private
* @var string
*/
private $_uri = '';
/**
* 当前页码
*
* @access private
* @var string
*/
private $_current_page = 1;
/**
* 每页条目数
*
* @access private
* @var int
*/
private $_limit = 5;
/**
* 偏移
*
* @access private
* @var int
*/
private $_offset = 0;
/**
* 条目总数
*
* @access private
* @var int
*/
private $_total_count = 0;
/**
* 条目总数
*
* @access private
* @var array
*/
private $_posts = array();
/**
* 分页字符串 wrapper
*
* @access private
* @var string
*/
private $_pagination = '';
/**
* 构造函数
*
* @access public
* @return void
*/
public function __construct()
{
parent::__construct();
$this->_uri = $this->uri->segment(1) . '/';
}
/**
* 初始化分页参数
*
* @access public
* @param int $current_page
* @return void
*/
private function _init_pagination($current_page)
{
/** 当前页 */
$this->_current_page = ($current_page && is_numeric($current_page)) ? intval($current_page) : 1;
/** 每页多少项 */
$page_size = setting_item('posts_page_size');
$this->_limit = ($page_size && is_numeric($page_size)) ? intval($page_size) : 5;
/** 偏移量 */
$this->_offset = ($this->_current_page - 1) * $this->_limit;
if($this->_offset < 0)
{
redirect(site_url());
}
}
/**
* 加工和处理posts数据
*
* @access private
* @param array $posts 内容stdClass对象数组
* @return void
*/
private function _prepare_posts()
{
foreach($this->_posts as &$post)
{
/** 日志固定链接 */
$post->permalink = site_url('posts/'. $post->slug);
/** 日志发表日期 */
$post->published = setting_item('post_date_format')
? date(setting_item('post_date_format'), $post->created)
: date('Y-m-d', $post->created);
$this->metas_mdl->get_metas($post->pid);
/** 日志分类 */
$post->categories = $this->metas_mdl->metas['category'];
/** 日志标签 */
$post->tags = $this->metas_mdl->metas['tag'];
/** 日志摘要 */
$post->excerpt = Common::get_excerpt($post->text);
/** 是否存在摘要 */
$post->more = (Common::has_break($post->text)) ? TRUE : FALSE;
unset($post->slug);
unset($post->text);
}
}
/**
* 应用分页规则
*
* @access private
* @param string $target_uri 目标uri
* @param bool $url_friendly 开启友好url
* @param string $parament_name 页码参数 e.g ?p=1
* @param string $page 页码
* @return void
*/
private function _apply_pagination($target_uri, $url_friendly = TRUE, $parament_name = 'p')
{
if($this->_total_count > $this->_limit)
{
$this->dpagination->currentPage($this->_current_page);
$this->dpagination->items($this->_total_count);
$this->dpagination->limit($this->_limit);
$this->dpagination->adjacents(2);
$this->dpagination->target($target_uri);
$this->dpagination->nextLabel('');
$this->dpagination->PrevLabel('');
if($url_friendly)
{
$this->dpagination->urlFriendly();
}
else
{
$this->dpagination->parameterName($parament_name);
}
$this->_pagination = $this->dpagination->getOutput();
}
}
/**
* 提取归档提示语
*
* @access private
* @param int $year 归档年（必需）
* @param int $month 归档月（可选）
* @param int $day 归档日（可选）
* @return string
*/
private function _archive_hints($year, $month, $day)
{
if($year > 0)
{
if($month > 0)
{
if($day > 0)
{
$month = sprintf("%02d", $month);
$day = sprintf("%02d", $day);
$this->_uri .= "$year/$month/$day";
return date('Y年m月d日', mktime(0, 0, 0, $month, $day, $year));
}
$month = sprintf("%02d", $month);
$this->_uri .= "$year/$month";
return date('Y年m月', mktime(0, 0, 0, $month, 1, $year));
}
$this->_uri .= $year;
return date('Y年', mktime(0, 0, 0, 1, 1, $year));
}
return;
}
/**
* 默认日志分页显示
*
* @access public
* @return void
*/
public function index($page = 1)
{
/** 分页参数 */
$this->_init_pagination($page);
$this->_posts = $this->posts_mdl->get_posts('post', 'publish', NULL, $this->_limit, $this->_offset)->result();
$this->_total_count = $this->posts_mdl->get_posts('post', 'publish', NULL, 10000, 0)->num_rows();
if(!empty($this->_posts))
{
$this->_prepare_posts();
$this->_apply_pagination(site_url('page').'/%');
}
/** 页面初始化 */
$data['page_title'] = '首页';
$data['page_description'] = setting_item('blog_description');
$data['page_keywords'] = setting_item('blog_keywords');
$data['posts'] = $this->_posts;
$data['parsed_feed'] = Common::render_feed_meta();
$data['pagination'] = $this->_pagination;
/** 加载主题下的页面 */
$this->load_theme_view('index', $data);
}
/**
* 分类浏览
*
* @access public
* @param string $slug
* @param int $page
* @return void
*/
public function category($slug, $page = 1)
{
if(empty($slug) || !is_numeric($page))
{
redirect(site_url());
}
$category = $this->metas_mdl->get_meta_by_slug(trim($slug));
if(!$category)
{
show_error('分类不存在或已被管理员删除');
exit();
}
/** 分页参数 */
$this->_init_pagination($page);
$this->_posts = $this->posts_mdl->get_posts_by_meta($slug, 'category', 'post', 'publish', 'posts.*', $this->_limit, $this->_offset)->result();
$this->_total_count = $this->posts_mdl->get_posts_by_meta($slug, 'category', 'post', 'publish', 'posts.*', 10000, 0)->num_rows();
if(!empty($this->_posts))
{
$this->_prepare_posts();
$this->_apply_pagination(site_url('category/' . $slug) . '/%');
}
/** 页面初始化 */
$data['page_title'] = $category->name;
$data['page_description'] = $category->description;
$data['page_keywords'] = setting_item('blog_keywords');
$data['posts'] = $this->_posts;
$data['parsed_feed'] = Common::render_feed_meta('category', $category->slug, $category->name);
$data['current_view_hints'] = sprintf('%s 分类下的文章（第 %d 页 / 共 %d 篇）', $category->name, $this->_current_page, $this->_total_count);
$data['pagination'] = $this->_pagination;
$this->load_theme_view('index', $data);
}
/**
* 分类浏览
*
* @access public
* @param string $slug
* @param int $page
* @return void
*/
public function tag($slug, $page = 1)
{
if(empty($slug) || !is_numeric($page))
{
redirect(site_url());
}
$tag = $this->metas_mdl->get_meta_by_slug(trim($slug));
if(!$tag)
{
show_error('标签不存在或已被主人删除');
exit();
}
/** 分页参数 */
$this->_init_pagination($page);
$this->_posts = $this->posts_mdl->get_posts_by_meta($slug, 'tag', 'post', 'publish', 'posts.*', $this->_limit, $this->_offset)->result();
$this->_total_count = $this->posts_mdl->get_posts_by_meta($slug, 'tag', 'post', 'publish', 'posts.*', 10000, 0)->num_rows();
if(!empty($this->_posts))
{
$this->_prepare_posts();
$this->_apply_pagination(site_url('tag/' . $slug) . '/%');
}
/** 页面初始化 */
$data['page_title'] = $tag->name;
$data['page_description'] = $tag->description;
$data['page_keywords'] = setting_item('blog_keywords');
$data['posts'] = $this->_posts;
$data['parsed_feed'] = Common::render_feed_meta('tag', $tag->slug, $tag->name);
$data['current_view_hints'] = sprintf('标记有标签 %s 的文章（第 %d 页 / 共 %d 篇）', $tag->name, $this->_current_page, $this->_total_count);
$data['pagination'] = $this->_pagination;
$this->load_theme_view('index', $data);
}
/**
* 按作者显示日志
*
* @access public
* @param int $uid
* @param string $page 页码
* @return void
*/
public function authors($uid, $page = 1)
{
if(empty($uid) || !is_numeric($uid) || !is_numeric($page))
{
redirect(site_url());
}
/** 分页参数 */
$this->_init_pagination($page);
$uid = intval($uid);
$author = NULL;
$this->_posts = $this->posts_mdl
->get_posts_by_author($uid, 'post', 'publish', $this->_limit, $this->_offset)
->result();
$this->_total_count = $this->posts_mdl
->get_posts_by_author($uid, 'post', 'publish', 10000, 0)
->num_rows();
if(!empty($this->_posts))
{
$this->_prepare_posts();
list($temp) = $this->_posts;
$author = $temp->screenName;
unset($temp);
$this->_apply_pagination(site_url('authors/' . $uid) . '/%');
}
/** 页面初始化 */
$data['page_title'] = $author;
$data['page_description'] = setting_item('blog_description');
$data['page_keywords'] = setting_item('blog_keywords');
$data['posts'] = $this->_posts;
$data['parsed_feed'] = Common::render_feed_meta();
$data['current_view_hints'] = sprintf('%s 所写的文章（第 %d 页 / 共 %d 篇）', $author, $this->_current_page, $this->_total_count);
$data['pagination'] = $this->_pagination;
$this->load_theme_view('index', $data);
}
/**
* 归档
*
* @access public
* @param int $year 归档年（必需）
* @param int $month 归档月（可选）
* @param int $day 归档日（可选）
* @param string $page 页码
* @return void
*/
public function archives($year, $month = NULL, $day = NULL, $page = 'p1')
{
if(empty($year))
{
redirect(site_url());
}
/** 基本参数 */
$year = intval($year);
$month = intval($month);
$day = intval($day);
$date = $this->_archive_hints($year, $month, $day);
/** 分页参数 */
$page = str_replace('p','', $page);
$this->_init_pagination($page);
$this->_posts = $this->posts_mdl
->get_posts_by_date($year, $month, $day, $this->_limit, $this->_offset)
->result();
$this->_total_count = $this->posts_mdl
->get_posts_by_date($year, $month, $day, 10000, 0)
->num_rows();
if(!empty($this->_posts))
{
$this->_prepare_posts();
$this->_apply_pagination(site_url($this->_uri).'/p%/');
}
/** 页面初始化 */
$data['page_title'] = $date;
$data['page_description'] = sprintf('日志归档：%s', $date);
$data['page_keywords'] = setting_item('blog_keywords');
$data['posts'] = $this->_posts;
$data['parsed_feed'] = Common::render_feed_meta();
$data['current_view_hints'] = sprintf('%s日志归档（第 %d 页 / 共 %d 篇）', $date, $this->_current_page, $this->_total_count);
$data['pagination'] = $this->_pagination;
$this->load_theme_view('index', $data);
}
/**
* 搜索
*
* @access public
* @return void
*/
public function search()
{
$keywords = strip_tags($this->input->get('s', TRUE));
$page = strip_tags($this->input->get('p', TRUE));
/** 分页参数 */
$this->_init_pagination($page);
$this->_posts = $this->posts_mdl
->get_posts('post', 'publish', NULL, $this->_limit, $this->_offset, 0, $keywords, TRUE)
->result();
$this->_total_count = $this->posts_mdl
->get_posts('post', 'publish', NULL, 10000, 0, 0, $keywords, TRUE)
->num_rows();
if(!empty($this->_posts))
{
$this->_prepare_posts();
$this->_apply_pagination(site_url('search?s='. urlencode($keywords)), FALSE, 'p');
}
/** 页面初始化 */
$data['page_title'] = sprintf('搜索：%s', $keywords);
$data['page_description'] = setting_item('blog_description');
$data['page_keywords'] = setting_item('blog_keywords');
$data['posts'] = $this->_posts;
$data['parsed_feed'] = Common::render_feed_meta();
$data['current_view_hints'] = sprintf('关键字 %s 的搜索结果（第 %d 页 / 共 %d 篇）', $keywords, $this->_current_page, $this->_total_count);
$data['pagination'] = $this->_pagination;
$this->load_theme_view('index', $data);
}
}
/* End of file home.php */
/* Location: ./application/controllers/home.php */