Mambo API

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   1  <?php
   2  /**
   3  * @package Mambo
   4  * @author Mambo Foundation Inc see README.php
   5  * @copyright (C) 2000 - 2009 Mambo Foundation Inc.
   6  * See COPYRIGHT.php for copyright notices and details.
   7  * @license GNU/GPL Version 2, see LICENSE.php
   8  *
   9  * Redistributions of files must retain the above copyright notice.
  10  *
  11  * Mambo is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; version 2 of the License.
  14  */
  15  
  16  /** ensure this file is being included by a parent file */
  17  defined( '_VALID_MOS' ) or die( 'Direct Access to this location is not allowed.' );
  18  
  19  require_once( $mainframe->getPath( 'front_html' ) );
  20  require_once( $mainframe->getPath( 'class' ) );
  21  
  22  $tabclass             = 'sectiontableentry2,sectiontableentry1';
  23  $polls_graphwidth     = 200;
  24  $polls_barheight     = 2;
  25  $polls_maxcolors     = 5;
  26  $polls_barcolor     = 0;
  27  
  28  $poll = new mosPoll( $database );
  29  
  30  $id     = intval( mosGetParam( $_REQUEST, 'id', 0 ) );
  31  $task     = mosGetParam( $_REQUEST, 'task', '' );
  32  
  33  switch ($task) {
  34  
  35      case 'vote':
  36          pollAddVote( $id, $Itemid );
  37          break;
  38  
  39      default:
  40          pollresult( $id, $option, $task, $Itemid );
  41          break;
  42  }
  43  
  44  function pollAddVote( $uid, $Itemid ) {
  45      global $database, $mosConfig_offset, $Itemid;
  46  
  47      $redirect = 1;
  48  
  49      $sessionCookieName = md5( 'site'.$GLOBALS['mosConfig_live_site'] );
  50      $sessioncookie = mosGetParam( $_REQUEST, $sessionCookieName, '' );
  51  
  52      if (!$sessioncookie) {
  53          echo '<h3>'. T_('Cookies must be enabled!') .'"</h3>';
  54          echo '<input class="button" type="button" value="'. T_('Continue') .'" onClick="window.history.go(-1);">';
  55          return;
  56      }
  57  
  58      $poll = new mosPoll( $database );
  59      if (!$poll->load( $uid )) {
  60          echo '<h3>'. T_('You are not authorized to view this resource.') .'</h3>';
  61          echo '<input class="button" type="button" value="'. T_('Continue') .'" onClick="window.history.go(-1);">';
  62          return;
  63      }
  64  
  65      $cookiename = "voted$poll->id";
  66      $voted = mosGetParam( $_COOKIE, $cookiename, '0' );
  67  
  68      if ($voted) {
  69          echo "<h3>".T_('You already voted for this poll today!')."</h3>";
  70          echo "<input class=\"button\" type=\"button\" value=\"".T_('Continue')."\" onClick=\"window.history.go(-1);\">";
  71          return;
  72      }
  73  
  74      $voteid = mosGetParam( $_POST, 'voteid', 0 );
  75      if (!$voteid) {
  76          echo "<h3>".T_('No selection has been made, please try again')."</h3>";
  77          echo '<input class="button" type="button" value="'. T_('Continue') .'" onClick="window.history.go(-1);">';
  78          return;
  79      }
  80  
  81      setcookie( $cookiename, '1', time()+$poll->lag );
  82  
  83      $database->setQuery( "UPDATE #__poll_data SET hits=hits + 1"
  84          ."\n WHERE pollid='$poll->id' AND id='$voteid'");
  85  
  86      $database->query();
  87  
  88      $database->setQuery( "UPDATE #__polls SET voters=voters + 1"
  89          ."\n WHERE id='$poll->id'");
  90  
  91      $database->query();
  92  
  93      $now = date("Y-m-d G:i:s");
  94      $database->setQuery( "INSERT INTO #__poll_date SET date='$now', vote_id='$voteid',    poll_id='$poll->id'");
  95  
  96      $database->query();
  97      if ( $redirect ) {
  98          mosRedirect( sefRelToAbs( 'index.php?option=com_poll&amp;task=results&amp;id='. $uid . ($Itemid?"&amp;Itemid=$Itemid":'')), T_('Thanks for your vote!'));
  99      } else {
 100          echo '<h3>'. T_('Thanks for your vote!') .'</h3>';
 101          echo '<form action="" method="GET">';
 102          echo '<input class="button" type="button" value="'. T_('Results') .'" onClick="window.location=\''. sefRelToAbs( 'index.php?option=com_poll&amp;task=results&amp;id='. $uid . ($Itemid?"&amp;Itemid=$Itemid":'')) .'\'">';
 103          echo '</form>';
 104      }
 105  }
 106  
 107  
 108  function pollresult( $uid, $option, $task, $Itemid  ) {
 109      global $database, $mosConfig_offset, $mosConfig_live_site;
 110      global $mainframe;
 111  
 112      $poll = new mosPoll( $database );
 113      $poll->load( $uid );
 114  
 115      if (empty($poll->title)) {
 116          $poll->id = '';
 117          $poll->title = T_('Select Poll from the list');
 118      }
 119  
 120      $first_vote = '';
 121      $last_vote = '';
 122  
 123      if (isset($poll->id) && $poll->id != "") {
 124          $query = "SELECT MIN(date) AS mindate, MAX(date) AS maxdate"
 125          ."\n FROM #__poll_date"
 126          ."\n WHERE poll_id='$poll->id'"
 127          ;
 128          $database->setQuery( $query );
 129  
 130          $dates = $database->loadObjectList();
 131  
 132          if (isset($dates[0]->mindate)) {
 133              $first_vote = mosFormatDate( $dates[0]->mindate, _DATE_FORMAT_LC2 );
 134              $last_vote = mosFormatDate( $dates[0]->maxdate, _DATE_FORMAT_LC2 );
 135          }
 136      }
 137  
 138      $query = "SELECT a.id, a.text, count( DISTINCT b.id ) AS hits, count( DISTINCT b.id )/COUNT( DISTINCT a.id )*100.0 AS percent"
 139      . "\n FROM #__poll_data AS a"
 140      . "\n LEFT JOIN #__poll_date AS b ON b.vote_id = a.id"
 141      . "\n WHERE a.pollid='$poll->id' AND a.text <> ''"
 142      . "\n GROUP BY a.id"
 143      . "\n ORDER BY a.id"
 144      ;
 145      $database->setQuery( $query );
 146      $votes = $database->loadObjectList();
 147  
 148      $query = "SELECT id, title"
 149      . "\n FROM #__polls"
 150      . "\n WHERE published=1"
 151      . "\n ORDER BY id"
 152      ;
 153      $database->setQuery( $query );
 154      $polls = $database->loadObjectList();
 155  
 156      reset( $polls );
 157      $script = "this.options[selectedIndex].value";
 158      $link = sefRelToAbs( "index.php?option=com_poll&amp;task=results&amp;id=0".($Itemid?"&amp;Itemid=$Itemid":'') );
 159      if (mamboCore::get('mosConfig_sef'))
 160          $link = str_replace('/id,0', "/id,'+$script+'", $link);
 161      else
 162          $link = str_replace('&amp;id=0', "&amp;id='+$script+'", $link);
 163      $pollist = '<select name="id" class="inputbox" size="1" style="width:200px" onchange="if (this.options[selectedIndex].value != \'\') {document.location.href=\''. $link .'\'}">';
 164      $pollist .= '<option value="">'. T_('Select Poll from the list') .'</option>';
 165      for ($i=0, $n=count( $polls ); $i < $n; $i++ ) {
 166          $k = $polls[$i]->id;
 167          $t = $polls[$i]->title;
 168  
 169          $sel = ($k == intval( $poll->id ) ? " selected=\"selected\"" : '');
 170          $pollist .= "\n\t<option value=\"".$k."\"$sel>" . $t . "</option>";
 171      }
 172      $pollist .= '</select>';
 173  
 174      // Adds parameter handling
 175      $menu =& new mosMenu( $database );
 176      $menu->load( $Itemid );
 177      $params =& new mosParameters( $menu->params );
 178      $params->def( 'page_title', 1 );
 179      $params->def( 'pageclass_sfx', '' );
 180      $params->def( 'back_button', $mainframe->getCfg( 'back_button' ) );
 181      $params->def( 'header', ($menu->id ? $menu->name : T_('Polls')) );
 182  
 183      // get pathway stuff
 184      $pathway =& mosPathway::getInstance();
 185      $basePath = mamboCore::get('mosConfig_live_site').'/index.php?option=com_poll&amp;task=results';
 186      $uri = new mosUriHelper();
 187      $uri->setUri($basePath);
 188      if (!$Itemid) {
 189          $pathway->addItem($params->get('header'), sefRelToAbs($uri->toString()));
 190      }
 191      if ($poll->id) {
 192          if ($Itemid) $uri->popParam('Itemid');
 193          $uri->pushParam('id', $poll->id);
 194          if ($Itemid) $uri->pushParam('Itemid', $Itemid);
 195          $pathway->addItem($poll->title, sefRelToAbs($uri->toString()));
 196      }
 197  
 198      $mainframe->SetPageTitle( ($poll->id ? $poll->title : T_('Polls')) );
 199      poll_html::showResults( $poll, $votes, $first_vote, $last_vote, $pollist, $params );
 200  }
 201  ?>