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<?php
/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

// Result Cache used here

//
// Top Smilies
//

//
// Start user modifiable variables
//

//
// Set smile_pref to 0, if you want that smilies are only counted once per post.
// This means that, if the same smilie is entered ten times in a message, only one is counted in that message.
//
$smile_pref = 0;

$bars = array(
	'left' => 'images/vote_lcap.gif',
	'right' => 'images/vote_rcap.gif',
	'bar' => 'images/voting_bar.gif'
);

//
// End user modifiable variables
//

$statistics->init_bars($bars);

//
// Functions
//

//
// sort multi-dimensional array - from File Attachment Mod
//
function smilies_sort_multi_array_attachment ($sort_array, $key, $sort_order) 
{
	$last_element = count($sort_array) - 1;

	$string_sort = ( is_string($sort_array[$last_element-1][$key]) ) ? TRUE : FALSE;

	for ($i = 0; $i < $last_element; $i++) 
	{
		$num_iterations = $last_element - $i;

		for ($j = 0; $j < $num_iterations; $j++) 
		{
			$next = 0;

			//
			// do checks based on key
			//
			$switch = FALSE;
			if ( !($string_sort) )
			{
				if ( ( ($sort_order == 'DESC') && (intval($sort_array[$j][$key]) < intval($sort_array[$j + 1][$key])) ) || ( ($sort_order == 'ASC') &&    (intval($sort_array[$j][$key]) > intval($sort_array[$j + 1][$key])) ) )
				{
					$switch = TRUE;
				}
			}
			else
			{
				if ( ( ($sort_order == 'DESC') && (strcasecmp($sort_array[$j][$key], $sort_array[$j + 1][$key]) < 0) ) || ( ($sort_order ==   'ASC') && (strcasecmp($sort_array[$j][$key], $sort_array[$j + 1][$key]) > 0) ) )
				{
					$switch = TRUE;
				}
			}

			if ($switch)
			{
				$temp = $sort_array[$j];
				$sort_array[$j] = $sort_array[$j + 1];
				$sort_array[$j + 1] = $temp;
			}
		}
	}

	return ($sort_array);
}

//
// END Functions
//

$template->assign_vars(array(
	'L_TOP_SMILIES' => $lang['module_name'],

	'L_USES' => $lang['Uses'],
	'L_RANK' => $lang['Rank'],
	'L_PERCENTAGE' => $lang['Percent'],
	'L_GRAPH' => $lang['Graph'],
	'L_IMAGE' => $lang['smiley_url'],
	'L_CODE' => $lang['smiley_code'])
);

//
// Most used smilies
//

// Determine if Caching is used
if (!$statistics->result_cache_used)
{
	@set_time_limit(0);

	// Init Cache -- tells the Stats Mod that we want to use the result cache
	$result_cache->init_result_cache();

	// With every new sql_query insult, the Statistics Mod will end the previous Control. ;)
	$sql = 'SELECT code, smile_url
	FROM ' . SMILIES_TABLE;

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Couldn\'t retrieve smilies data', '', __LINE__, __FILE__, $sql);
	}

	$rows = $db->sql_fetchrowset($result);
	$num_rows = $db->sql_numrows($result);
	
	$all_smilies = array();
	$total_smilies = 0;
	$where_query = '';
	$smile_group = array();
	$smile_urls = array();
	$smile_urls['url'] = array();
	$count = 0;

	for ($i = 0; $i < $num_rows; $i++)
	{
		$where_query .= ($where_query == '') ? ' (post_text LIKE \'%' . str_replace("'", "\'", $rows[$i]['code']) . '%\')' : ' OR (post_text LIKE \'%' . str_replace("'", "\'", $rows[$i]['code']) . '%\')';
		
		if (!in_array($rows[$i]['smile_url'], $smile_urls['url']))
		{
			$smile_urls['url'][] = $rows[$i]['smile_url'];
			$smile_urls[$rows[$i]['smile_url']] = $count;
			$count++;
			$all_smilies[$smile_urls[$rows[$i]['smile_url']]]['code'] = str_replace("'", "\'", $rows[$i]['code']);
		    $all_smilies[$smile_urls[$rows[$i]['smile_url']]]['smile_url'] = $rows[$i]['smile_url'];
		}

		$smile_group[$smile_urls[$rows[$i]['smile_url']]]['code'][] = str_replace("'", "\'", $rows[$i]['code']);
		$smile_group[$smile_urls[$rows[$i]['smile_url']]]['url'][] = $rows[$i]['smile_url'];

		$all_smilies[$smile_urls[$rows[$i]['smile_url']]]['count'] = 0;
	
	}
		
	$sql = "SELECT post_text
	FROM " . POSTS_TEXT_TABLE . "
	WHERE " . $where_query . "
	GROUP BY post_text";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Couldn\'t retrieve smilies data', '', __LINE__, __FILE__, $sql);
	}

	$rows = $db->sql_fetchrowset($result);
	$message = '';
// BEGIN: Modified to cycle through each message separately to correct count = 1 problem
   for ($k = 0; $k < count($rows); $k++)
   {
      //$message .= $rows[$i]['post_text'];
      $message = $rows[$k]['post_text'];
   //}
   
      //echo ";".$message.";";   
      for ($i = 0; $i < count($smile_group); $i++)
      {
         $found = FALSE;
         $match_regexp = '';
         for ($j = 0; $j < count($smile_group[$i]['code']) && $found == FALSE; $j++)
         {
            if ($smile_pref == 0)
            {
               if (strstr($message, $smile_group[$i]['code'][$j]))
               {
                  $all_smilies[$i]['count'] = $all_smilies[$i]['count'] + 1;
                  $found = TRUE;
               }
            }
            else
            {
               $match_regexp .= ($match_regexp == '') ? '/(?<=.\W|\W.|^\W)' . preg_quote($smile_group[$i]['code'][$j], "/") . '(?=.\W|\W.|\W$)' : '|(?<=.\W|\W.|^\W)' . preg_quote($smile_group[$i]['code'][$j], "/") . '(?=.\W|\W.|\W$)';
            }
         }
   
         if (!$found)
         {
            if ($match_regexp != '')
            {
               $match_regexp .= '/';
         //      echo "<br /><br />" . $match_regexp . "<br />";
         //      echo "#".$all_smilies[$i]['smile_url']."#";
               preg_match_all($match_regexp, ' ' . $message . ' ', $matches);
         //      echo "<br />-" . count($matches[0]) . "-<br />";
               $all_smilies[$i]['count'] = $all_smilies[$i]['count'] + count($matches[0]);
            }
         }
      }
   }
// END: Modified to cycle through each message separately to correct count = 1 problem 
	
	for ($i = 0; $i < count($all_smilies); $i++)
	{
		$total_smilies = $total_smilies + $all_smilies[$i]['count'];
	}

	// Sort array
	$all_smilies = smilies_sort_multi_array_attachment($all_smilies, 'count', 'DESC');

	$limit = ( $return_limit > count($all_smilies) ) ? count($all_smilies) : $return_limit;

	for ($i = 0; $i < $limit; $i++)
	{
		$class = ($i % 2) ? $theme['td_class2'] : $theme['td_class1'];

		$statistics->do_math($all_smilies[0]['count'], $all_smilies[$i]['count'], $total_smilies);

		if ($all_smilies[$i]['count'] != 0)
		{
			$template->assign_block_vars('topsmilies', array(
				'RANK' => $i+1,
				'CLASS' => $class,
				'CODE' => $all_smilies[$i]['code'],
				'USES' => $all_smilies[$i]['count'],
				'PERCENTAGE' => $statistics->percentage,
				'BAR' => $statistics->bar_percent,
				'URL' => '<img src="'. $board_config['smilies_path'] . '/' . $all_smilies[$i]['smile_url'] . '" alt="' . $all_smilies[$i]['smile_url'] . '" border="0">')
			);
		}

		$result_cache->assign_template_block_vars('topsmilies');
	}
}
else
{
	// Now use the result cache, with block_num_vars we are getting the number of variables within the block
	for ($i = 0; $i < $result_cache->block_num_vars('topsmilies'); $i++)
	{
		$template->assign_block_vars('topsmilies', $result_cache->get_block_array('topsmilies', $i));
	}

}

?>