/administrator/components/com_acesef/library/metadata.php

<?php

/**

* @version		1.5.0

* @package		AceSEF Library

* @subpackage	Metadata

* @copyright	2009-2012 JoomAce LLC, www.joomace.net

* @license		GNU/GPL http://www.gnu.org/copyleft/gpl.html

*/



// No Permission

defined('_JEXEC') or die('Restricted Access');



// Metadata class

class AcesefMetadata {

	

	function __construct() {

		// Get config object

		$this->AcesefConfig = AcesefFactory::getConfig();

	}

	

	function autoMetadata($sef_url, $meta) {

		$no_auto_meta = (empty($meta['title']) && empty($meta['description']) && empty($meta['keywords']));

		

		if ($no_auto_meta) {

			return;

		}

		

		static $checked = array();

        

		if (!isset($checked[$sef_url])) {

			$m = AcesefCache::checkMetadata($sef_url);

			$checked[$sef_url] = "checked";

		}

		

		if ($checked[$sef_url] != "saved" && isset($m) && !is_object($m)) {

			$meta['description'] = ltrim($meta['description']);

			$values = "(".AceDatabase::quote($sef_url).", '{$meta['title']}', '{$meta['description']}', '{$meta['keywords']}')";

			

			AceDatabase::query("INSERT IGNORE INTO #__acesef_metadata (url_sef, title, description, keywords) VALUES {$values}");

			

			$checked[$sef_url] = "saved";

		}

	}

	

	// Clean metadata

	function clean($where = "", $fields) {

		// Get records

		$records = AceDatabase::loadObjectList("SELECT id FROM #__acesef_metadata {$where}");



		if (!empty($records)) {

			foreach ($records as $i => $record) {

				$id = $record->id;

				

				$metadata = "";

				if(is_array($fields) && count($fields) > 0) {

					foreach($fields as $index => $field) {

						$metadata .= "{$field} = '', ";

					}

					

					if (!empty($metadata)) {

						$metadata = rtrim($metadata, ', ');

						AceDatabase::query("UPDATE #__acesef_metadata SET {$metadata} WHERE id = {$id}");

					}

				}

			}

			return true;

		} else {

			return false;

		}

	}

	

	// Delete metadata

	function delete($where = "", $fields) {

		$metadata = "";

		if (is_array($fields) && count($fields) > 0) {

			foreach($fields as $index => $field) {

				$metadata .= "{$field} != '' AND ";

			}

			

			if (!empty($metadata)) {

				if ($where == "") {

					$where = " WHERE ";

				}

				

				$metadata = rtrim($metadata, 'AND ');

				AceDatabase::query("DELETE FROM #__acesef_metadata {$where}{$metadata}");

			}

			

			return true;

		} 

		else {

			return false;

		}

	}

	

	// Update meta

	function update($where = "", $fields) {

		// Get records

		$urls = AceDatabase::loadObjectList("SELECT m.id, m.url_sef, u.url_real FROM #__acesef_metadata AS m, #__acesef_urls AS u WHERE m.url_sef = u.url_sef {$where}");



		if (!empty($urls)) {

			$ret = "";

			foreach ($urls as $i => $record) {

				$id = $record->id;

				$sef_url = $record->url_sef;

				$real_url = $record->url_real;

				

				if (!strpos($real_url, "option=")) {

					continue;

				}

				

				$component = AcesefUtility::getOptionFromRealURL($real_url);

				

				if (file_exists(JPATH_ACESEF_ADMIN.DS.'extensions'.DS.$component.'.php')) {

					$acesef_ext = AcesefFactory::getExtension($component);

					

					$uri = AcesefURI::_createURI($real_url);

					

					$acesef_ext->beforeBuild($uri);

					$segments = array();

					$do_sef = true;

					$meta = null;

					$item_limitstart = false;

					$acesef_ext->build($uri->_vars, $segments, $do_sef, $meta, $item_limitstart);

					

					if (is_array($meta) && count($meta) > 0 && !empty($fields) && is_array($fields)) {

						$metadata = "";

						foreach ($fields as $index => $field) {

							if (!empty($meta[$field])) {

								$metadata .= "{$field} = '{$meta[$field]}', ";

							}

						}

						

						if (!empty($metadata)) {

							$metadata = rtrim($metadata, ', ');

							AceDatabase::query("UPDATE #__acesef_metadata SET {$metadata} WHERE id = {$id}");

							$ret .= $sef_url.' ===> '.JText::_('ACESEF_METADATA_UPDATED_OK').'<br/>';

						} else {

							$ret .= $sef_url.' ===> '.JText::_('ACESEF_METADATA_UPDATED_CANT').'<br/>';

						}

					} else {

						$ret .= JText::_('ACESEF_METADATA_UPDATED_NO');

					}

				} else {

					$ret .= $sef_url.' ===> '.JText::_('ACESEF_METADATA_UPDATED_NO_EXTENSION').'<br/>';

				}

			}

			return $ret;

		} else {

			return JText::_('ACESEF_METADATA_UPDATED_NO');

		}

	}

	

	function plugin($document) {

		$mainframe =& JFactory::getApplication();

		

		// Meta

		$url_id 		= $mainframe->get('acesef.url.id');

		$url_sef 		= $mainframe->get('acesef.url.sef');

		$auto_desc		= AcesefUtility::replaceSpecialChars($mainframe->get('acesef.meta.autodesc'), true);

		$auto_key		= AcesefUtility::replaceSpecialChars($mainframe->get('acesef.meta.autokey'), true);

		$meta_title		= AcesefUtility::replaceSpecialChars($mainframe->get('acesef.meta.title'), true);

		$meta_desc		= AcesefUtility::replaceSpecialChars($mainframe->get('acesef.meta.desc'), true);

		$meta_key		= AcesefUtility::replaceSpecialChars($mainframe->get('acesef.meta.key'), true);

		$meta_lang   	= $mainframe->get('acesef.meta.lang');

		$meta_robots	= $mainframe->get('acesef.meta.robots');

		$meta_google	= $mainframe->get('acesef.meta.google');

		$link_canonical	= $mainframe->get('acesef.link.canonical');

		$generator  	= $this->AcesefConfig->meta_generator;

		$abstract  		= $this->AcesefConfig->meta_abstract;

		$revisit  		= $this->AcesefConfig->meta_revisit;

		$direction 		= $this->AcesefConfig->meta_direction;

		$google_key  	= $this->AcesefConfig->meta_googlekey;

		$live_key  		= $this->AcesefConfig->meta_livekey;

		$yahoo_key  	= $this->AcesefConfig->meta_yahookey;

		$alexa_key  	= $this->AcesefConfig->meta_alexa;

		$name_1  		= $this->AcesefConfig->meta_name_1;

		$name_2  		= $this->AcesefConfig->meta_name_2;

		$name_3  		= $this->AcesefConfig->meta_name_3;

		$con_1  		= $this->AcesefConfig->meta_con_1;

		$con_2  		= $this->AcesefConfig->meta_con_2;

		$con_3  		= $this->AcesefConfig->meta_con_3;

		

		// Core tags

		if ($this->AcesefConfig->meta_core == 1) {

			// Get original title, desc and keys

			$org_title	= $document->getTitle();

			$org_desc	= $document->getDescription();

			$org_key	= $document->getMetaData('keywords');

			

			// Meta that need to be updated

			$update_meta = array();

			

			// Title

			$title = self::_pluginTitle($org_title, $meta_title);

			if (!empty($title)) {

				$document->setTitle($title);

				if (empty($meta_title) && $this->AcesefConfig->meta_title == '1') {

					$update_meta['title'] = $title;

				}

				

				if ($this->AcesefConfig->meta_title_tag == 1) {

					$title_t = str_replace('"', '', $title);

					$document->setMetaData('title', $title_t);

				}

			}

			

			// Description

			$description = self::_pluginDescKey($org_desc, $meta_desc, $auto_desc, 'desc');

			if (!empty($description)) {

				$description = str_replace('"', '', $description);

				$document->setDescription($description);

				

				if (empty($meta_desc) && ($this->AcesefConfig->meta_desc == '1' || $this->AcesefConfig->meta_desc == '3')) {

					$update_meta['description'] = ltrim($description);

				}

			}

			

			// Keywords

			$keywords = self::_pluginDescKey($org_key, $meta_key, $auto_key, 'key');

			if (!empty($keywords)) {

				$keywords = str_replace('"', '', $keywords);

				$document->setMetaData('keywords', $keywords);

				

				if (empty($meta_key) && ($this->AcesefConfig->meta_key == '1' || $this->AcesefConfig->meta_key == '3')) {

					$update_meta['keywords'] = $keywords;

				}

			}

			

			// Update meta

			$uri = JFactory::getURI();

			if (!empty($update_meta) && !AcesefURI::_isHomePage($uri)) {

				$meta_list = AcesefCache::checkMetadata($url_sef);

				if (is_array($meta_list) && !empty($meta_list)) {

					$metadata = "";

					foreach ($update_meta as $field => $value) {

						$val = AcesefUtility::cleanText($value);

						$metadata .= "{$field} = '{$val}', ";

					}

				

					$metadata = rtrim($metadata, ', ');

					AceDatabase::query("UPDATE #__acesef_metadata SET {$metadata} WHERE url_sef = '{$url_sef}'");

				}

			}

		}

		

		// Extra tags

		if (!empty($meta_robots))		$document->setMetaData('robots', $meta_robots);

		if (!empty($meta_lang))			$document->setMetaData('language', $meta_lang);

		if (!empty($meta_google))		$document->setMetaData('googlebot', $meta_google);

		if (!empty($link_canonical) && $document->getType() == 'html') 	$document->addHeadLink($link_canonical, 'canonical');

		if (!empty($generator)) 		$document->setGenerator($generator);

		if (!empty($abstract)) 			$document->setMetaData('abstract', $abstract);

		if (!empty($revisit)) 			$document->setMetaData('revisit', $revisit);

		if (!empty($direction)) 		$document->setDirection($direction);

		if (!empty($google_key))		$document->setMetaData('google-site-verification', $google_key);

		if (!empty($live_key))			$document->setMetaData('msvalidate.01', $live_key);

		if (!empty($yahoo_key))			$document->setMetaData('y_key', $yahoo_key);

		if (!empty($alexa_key))			$document->setMetaData('alexaVerifyID', $alexa_key);

		if (!empty($name_1))			$document->setMetaData($name_1, $con_1);

		if (!empty($name_2))			$document->setMetaData($name_2, $con_2);

		if (!empty($name_3))			$document->setMetaData($name_3, $con_3);

	}

	

	// Title

	function _pluginTitle($org_title, $db_title) {

		if (!empty($db_title)) {

			return $db_title;

		}

		

		// Modify original title

		$modified_title = $org_title;

		if (!empty($modified_title)) {

			$JoomlaConfig = &JFactory::getConfig();

			$sitename = $JoomlaConfig->getValue('sitename');

			

			$component = JRequest::getVar('option');

			if (file_exists(JPATH_ACESEF_ADMIN.DS.'extensions'.DS.$component.'.xml')) {

				$ext_params			= AcesefCache::getExtensionParams($component);

				$separator			= $ext_params->get('separator', '-');

				$custom_sitename	= $ext_params->get('custom_sitename', '');

				$use_sitename		= $ext_params->get('use_sitename', '2');

				$title_prefix		= $ext_params->get('title_prefix', '');

				$title_suffix		= $ext_params->get('title_suffix', '');

			} else {

				$separator			= $this->AcesefConfig->meta_t_seperator;

				$custom_sitename	= $this->AcesefConfig->meta_t_sitename;

				$use_sitename		= $this->AcesefConfig->meta_t_usesitename;

				$title_prefix		= $this->AcesefConfig->meta_t_prefix;

				$title_suffix		= $this->AcesefConfig->meta_t_suffix;

			}

		

			if (!empty($custom_sitename)) {

				$sitename = $custom_sitename;

			}

			

			if ($use_sitename == 1) {

				$modified_title = $sitename." ".$separator." ".$modified_title;

			} elseif ($use_sitename == 2) {

				$modified_title = $modified_title." ".$separator." ".$sitename;

			}

			

			if (!empty($title_prefix)) {

				$modified_title = $title_prefix." ".$separator." ".$modified_title;

			}

			

			if (!empty($title_suffix)) {

				$modified_title = $modified_title." ".$separator." ".$title_suffix;

			}

		}

		

		return $modified_title;

	}

	

	// Description & Keywords

	function _pluginDescKey($org_val, $db_val, $auto_val, $type) {

		if ($type == 'desc') {

			$AConfig = 'meta_desc';

			$JConfig = 'MetaDesc';

		} elseif ($type == 'key') {

			$AConfig = 'meta_key';

			$JConfig = 'MetaKeys';

		}

	

		// Let's play

		if ($this->AcesefConfig->$AConfig == '1' || $this->AcesefConfig->$AConfig == '3') {

			// Get global description

			$JoomlaConfig = & JFactory::getConfig();

			$global_val = $JoomlaConfig->getValue($JConfig);

			

			// Clean out original description if it's the global one

			if ($org_val == $global_val) {

				$org_val = '';

			}

			

			$val1 = $val2 = '';

			if ($this->AcesefConfig->$AConfig == '1') {

				$val1 = $auto_val;

				$val2 = $org_val;

			} else {

				$val1 = $org_val;

				$val2 = $auto_val;

			}

			if (empty($db_val)) {

				if (empty($val1)) {

					return $val2;

				} else {

					return $val1;

				}

			} else {

				return $db_val;

			}

		} else {

			if (empty($db_val)) {

				return $org_val;

			} else {

				return $db_val;

			}

		}

	}

}