testcms-final-anon/system/functions/posts.php

   1 <?php defined('IN_CMS') or die('No direct access allowed.');
   2
   3 /**
   4         Theme functions for posts
   5 */
   6 function has_posts() {
   7         if(($posts = IoC::resolve('posts')) === false) {
   8                 $params = array(
   9                         'status' => 'published',
  10                         'sortby' => 'id',
  11                         'sortmode' => 'desc',
  12                         'limit' => Config::get('metadata.posts_per_page', 10),
  13                         'offset' => Input::get('offset', 0)
  14                 );
  15                 $posts = Posts::list_all($params);
  16                 IoC::instance('posts', $posts, true);
  17
  18                 $total_posts = Posts::count(array('status' => 'published'));
  19                 IoC::instance('total_posts', $total_posts, true);
  20         }
  21
  22         return $posts->length() > 0;
  23 }
  24
  25 function posts() {
  26         if(has_posts() === false) {
  27                 return false;
  28         }
  29
  30         $posts = IoC::resolve('posts');
  31
  32         if($result = $posts->valid()) {
  33                 // register single post
  34                 IoC::instance('article', $posts->current(), true);
  35
  36                 // move to next
  37                 $posts->next();
  38         }
  39
  40         return $result;
  41 }
  42
  43 function posts_next($text = 'Next', $default = '') {
  44         $per_page = Config::get('metadata.posts_per_page');
  45         $offset = Input::get('offset', 0);
  46         $total = IoC::resolve('total_posts');
  47
  48         $pages = floor($total / $per_page);
  49         $page = $offset / $per_page;
  50
  51         if($page < $pages) {
  52                 return '<a href="' . current_url() . '?offset=' . ($offset + $per_page) . '">' . $text . '</a>';
  53         }
  54
  55         return $default;
  56 }
  57
  58 function posts_prev($text = 'Previous', $default = '') {
  59         $per_page = Config::get('metadata.posts_per_page');
  60         $offset = Input::get('offset', 0);
  61         $total = IoC::resolve('total_posts');
  62
  63         $pages = ceil($total / $per_page);
  64         $page = $offset / $per_page;
  65
  66         if($offset > 0) {
  67                 return '<a href="' . current_url() . '?offset=' . ($offset - $per_page) . '">' . $text . '</a>';
  68         }
  69
  70         return $default;
  71 }