arthrology.php

   1 <?php
   2
   3 /*
   4  * Arthrology for Elxis CMS 2008.x and 2009.x+
   5  *
   6  * Frontend Event Handler
   7  *
   8  * @version             1.3
   9  * @package             Arthrology
  10  * @author              Apostolos Koutsoulelos <akoutsoulelos@yahoo.gr>
  11  * @authorurl   http://www.bitcraft-labs.gr
  12  * @copyright   Copyright (C) 2009-2011 Apostolos Koutsoulelos. All rights reserved.
  13  * @license             GNU/GPL (http://www.gnu.org/copyleft/gpl.html)
  14  *
  15  * @link                http://www.elxis-downloads.com/downloads/miscellaneous/204.html
  16  */
  17
  18 // Prevent direct inclusion of this file
  19 defined( '_VALID_MOS' ) or die( 'Direct Access to this location is not allowed.' );
  20
  21 //  Check the permissions
  22 if ( $my->usertype == '' ) {
  23         $usertype = eUTF::utf8_strtolower($acl->get_group_name('29'));
  24 } else {
  25         $usertype = eUTF::utf8_strtolower($my->usertype);
  26 }
  27 // Check if the user is allowed to access this component. If not then re-direct him to the main page.
  28 if (($mosConfig_access == '1') | ($mosConfig_access == '3')) {
  29         if (!($acl->acl_check( 'action', 'view', 'users', $usertype, 'components', 'all' ) ||
  30             $acl->acl_check( 'action', 'view', 'users', $usertype, 'components', 'com_arthrology' ))) {
  31                     mosRedirect( 'index.php', _NOT_AUTH );
  32         }
  33 }
  34
  35 // Includes
  36 require_once($mainframe->getCfg('absolute_path' ).'/components/com_arthrology/arthrology.class.php'); // Component's general class
  37 require_once($mainframe->getCfg('absolute_path' ).'/components/com_arthrology/arthrology.html.php'); // Component's html file for the public area
  38
  39 /*************************************************************************/
  40 /*  THE CLASS THAT WILL CONTAIN THE COMPONENT'S FRONT-END FUNCTIONALITY  */
  41 /*************************************************************************/
  42 class clsArthrology {
  43
  44         // Initialize variables
  45         public $live_path = ''; // component's live path
  46         public $abs_path = ''; // component's absolute path
  47         public $lng = null; // component's language
  48         public $params = array(); // component's parameters
  49
  50         public $task = '';
  51         public $keyword = '';
  52         public $catid = '';
  53
  54         /****************************/
  55         /*  The class' constructor  */
  56         /****************************/
  57         public function __construct() {
  58                 global $mainframe, $lang, $Itemid, $database;
  59
  60                 // Set absolute and live path
  61                 $this->live_path = $mainframe->getCfg('live_site').'/components/com_arthrology';
  62                 $this->abs_path = $mainframe->getCfg('absolute_path').'/components/com_arthrology';
  63
  64                 // Load language file
  65                 if (file_exists($this->abs_path.'/language/'.$lang.'.php')) {
  66                         require_once($this->abs_path.'/language/'.$lang.'.php');
  67                 } else {
  68                         require_once($this->abs_path.'/language/english.php');
  69                 }
  70                 $this->lng = new clsArthrologyLng();
  71
  72                 // Load params from Arthrology (component)
  73                         $database->setQuery("SELECT params FROM #__components WHERE link = 'option=com_arthrology'", '#__', 1, 0);
  74                         $result = $database->loadResult();
  75                         $com_params = new mosParameters($result);
  76                 // Load params from MENUITEM
  77                         $menu = new mosMenu($database);
  78                         $menu->load($Itemid);
  79                         $menu_params = new mosParameters($menu->params);
  80                 // Create an array with parameters
  81                 $this->params['com'] = $com_params;
  82                 $this->params['menu'] = $menu_params;
  83                 $this->params['menuobj'] = $menu;
  84
  85                 //Set current task and keyword
  86                 $this->task = $this->makesafe((string)mosGetParam($_REQUEST, 'task' , 'search'));
  87
  88
  89                 $this->keyword = $this->makesafe((string)mosGetParam($_POST, 'keyword' , NULL));
  90                         if ($this->keyword == '') {
  91                                 $this->keyword = $this->makesafe((string)mosGetParam($_REQUEST, 'keyword' , NULL));
  92                         }
  93                 $this->catid = $this->makesafe((string)mosGetParam($_POST, 'catid', NULL));
  94                         if ($this->catid == '') {
  95                                 $this->catid = $this->makesafe((string)mosGetParam($_REQUEST, 'catid' , NULL));
  96                         }
  97         }
  98
  99         /******************************/
 100         /*  The class' main function  */
 101         /******************************/
 102         public function main() {
 103                 global $Itemid;
 104
 105                 clsArthrologyHTML::prepareHTML();
 106
 107                 switch($this->task) {
 108                         case 'results':
 109                         case 'printlist':
 110                                 $this->showResults();
 111                                 break;
 112                         case 'search':
 113                                 clsArthrologyHTML::searchScreenHTML();
 114                                 break;
 115                         default: // Redirect to search mode
 116                                 mosRedirect( sefRelToAbs("index.php?option=com_arthrology&task=search&Itemid=".$Itemid, ARTHBASE."/search.html") );
 117                                 break;
 118                 }
 119         }
 120
 121         /*****************************/
 122         /*  Prepare to show results  */
 123         /*****************************/
 124         private function showResults() {
 125                 global $database, $mainframe;
 126
 127                 if (eUTF::utf8_strlen($this->keyword) >= 3) {
 128                         $like_clause = "\n AND ((e.title LIKE '%".$this->keyword."%') OR (e.tags LIKE '%".$this->keyword."%') OR (e.description LIKE '%".$this->keyword."%') OR (e.author LIKE '%".$this->keyword."%'))";
 129                 } else {
 130                         $like_clause = "";
 131                 }
 132
 133                 if ($this->catid) {
 134                         $where_clause = "\n WHERE e.published = '1' AND c.id = '" . $this->catid . "'";
 135                 } else {
 136                         $where_clause = "\n WHERE e.published = '1'";
 137                 }
 138
 139                 // Load page navigation
 140                 $query = "SELECT COUNT(e.id) FROM #__arthrology e"
 141                         ."\n INNER JOIN #__categories c ON c.id = e.catid"
 142                         .$where_clause
 143                         .$like_clause;
 144                 $database->setQuery($query);
 145                 $total = intval($database->loadResult());
 146
 147                 if ($this->task != 'printlist') {
 148                         $limit = $this->params['com']->get('limit', 25);
 149
 150                         if ($mainframe->getCfg('sef') == 2) {
 151                                 $page = intval(mosGetParam($_REQUEST, 'page', 0));
 152                                 if ($page < 1) { $page = 0; }
 153                                 $limitstart = ($page * $limit);
 154                         }
 155                         if ( $total <= $limit ) { $limitstart = 0; }
 156                 } else {
 157                         $limit = $total;
 158                         $limitstart = 0;
 159                 }
 160
 161                 require_once($mainframe->getCfg('absolute_path').'/includes/pageNavigation.php');
 162                 $pageNav = new mosPageNav($total, $limitstart, $limit);
 163
 164                 // Load rows
 165                 $query = "SELECT e.*, c.title AS cat_name, c.description AS cat_description, c.params AS cat_params, c.seotitle AS cat_seotitle"
 166                         ."\n FROM #__arthrology e"
 167                         ."\n INNER JOIN #__categories c ON c.id = e.catid"
 168                         .$where_clause
 169                         .$like_clause
 170                         ."\n ORDER BY e.year DESC, c.title ASC, e.title ASC";
 171                 $database->setQuery($query, '#__', $pageNav->limit, $pageNav->limitstart);
 172                 $rows = $database->loadObjectList();
 173
 174                 clsArthrologyHTML::showResultsHTML($this->keyword, $this->catid, $rows, $total, $pageNav);
 175
 176         }
 177
 178         /***********************/
 179         /*  Make strings safe  */
 180         /***********************/
 181         public function makesafe($string='', $strict=1) {
 182                 // Special thanks to Ioannis <datahell> Sannos for this
 183
 184             if ($string == '') { return $string; }
 185         if ($strict) {
 186             $pat = "([\']|[\!]|[\(]|[\)]|[\;]|[\"]|[\$]|[\#]|[\<]|[\>]|[\*]|[\%]|[\~]|[\`]|[\^]|[\|]|[\{]|[\}]|[\\\])";
 187         } else {
 188             $pat = "([\']|[\"]|[\$]|[\#]|[\<]|[\>]|[\*]|[\%]|[\~]|[\`]|[\^]|[\|]|[\{]|[\}]|[\\\])";
 189         }
 190         $s = eUTF::utf8_trim(preg_replace($pat, '', $string));
 191         return $s;
 192         }
 193 }
 194
 195 // Initiate the class and execute it, then unset the
 196 // object in order to free the allocated PHP memory.
 197 $objArthrology = new clsArthrology();
 198 $objArthrology->main();
 199 unset($objArthrology);
 200 ?>