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Current File : /var/www/web032/htdocs/cms/administrator/components/com_rialto/script.php
<?php
/*
 *
 * @Version       $Id: script.php 2306 2016-06-13 13:24:56Z geoffc $
 * @Package       Rialto
 * @Subpackage    com_rialto
 * @Release       1.3.0
 * @Copyright     Copyright (C) 2015-2016 Macrotone Consulting Ltd. All rights reserved.
 * @License       GNU General Public License version 3 or later; see LICENSE.txt
 * @Contact       support@macrotoneconsulting.co.uk
 * @Lastrevision  $Date: 2016-06-13 14:24:56 +0100 (Mon, 13 Jun 2016) $
 *
 * Rialto - Classified Ads for Joomla!
 *
 */
// No direct access to this file
defined('_JEXEC') or die('Restricted access');

if (!defined('DS')){
   define('DS',DIRECTORY_SEPARATOR);
}

//Import filesystem libraries. Perhaps not necessary, but does not hurt
JLoader::import( 'joomla.filesystem.file' );
JLoader::import("joomla.filesystem.folder");


/**
 * Class com_rialtoInstallerScript
 */
class com_rialtoInstallerScript
{
   /*
    * The release value would ideally be extracted from <version> in the manifest file,
    * but at preflight, the manifest file exists only in the uploaded temp folder.
    */
   private $release  = '1.3.0';     // Main release version
   // private $prelease = '1.0.0';     // Plugin release version
   // private $pname = 'com_rialto';

   /* @var array Obsolete files and folders to remove from the release */
   private $oldFiles = array(
      'files'  => array(
         // Old files to remove go here.
     ),
      'folders' => array(
         // Old images folder directory
         'images/rialto/entries',
         'images/rialto',
      )
   );

   /**
    * $parent is the class calling this method.
    * $type is the type of change (install, update or discover_install, not uninstall).
    * preflight runs before anything else and while the extracted files are in the uploaded temp folder.
    * If preflight returns false, Joomla will abort the update and undo everything already done.
    * @param $type
    * @param $parent
    * @return bool
    */
   function preflight( $type, $parent ) {
      // this component does not work with Joomla releases prior to 2.5
      // abort if the current Joomla release is older
      $jversion = new JVersion();
      if( version_compare( $jversion->getShortVersion(), '3.3', 'lt' ) ) {
         Jerror::raiseWarning(null, 'Cannot install com_rialto in a Joomla release prior to 3.3');
         return false;
      }

      // abort if the release being installed is not newer (or the same) than the currently installed version
      if ( $type == 'update' ) {
         $oldRelease = $this->getParam('version');
         $rel = ' from ' . $oldRelease . ' to ' . $this->release;
         if ( version_compare( $this->release, $oldRelease, 'lt' ) ) {
            Jerror::raiseWarning(null, 'Incorrect version sequence. Cannot upgrade ' . $rel);
            return false;
         }
      } else {
         $rel = ' Version ' .$this->release;
      }
      echo '<p>' . JText::_('COM_RIALTO_PREFLIGHT_' . strtoupper($type) . '_TEXT') . $rel . '</p>';

      return true;
   }

   /**
    * $parent is the class calling this method.
    * install runs after the database scripts are executed.
    * If the extension is new, the install method is run.
    * If install returns false, Joomla will abort the install and undo everything already done.
    * @param $parent
    */
   function install( $parent )
   {
      echo '<p>' . JText::_('COM_RIALTO_INSTALL_TEXT') . ' to version: ' . $this->release . '</p>';
      // Install plugin
      $manifest = $parent->get("manifest");

      $parent = $parent->getParent();
      $source = $parent->getPath("source");
      $installer = new JInstaller();

      // Install plugins
      foreach($manifest->plugins->plugin as $plugin) {
         $attributes = $plugin->attributes();
         $plg = $source . DS . $attributes['folder'].DS.$attributes['plugin'];
         // $plgname = $attributes['plugin'];
         $pname = $attributes['name'];
         $installer->install($plg);
         echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_PLUGIN_INSTALL_TEXT') . $pname. '</p>';
         $this->enable_plugin($pname);
      }

      // Install modules
      foreach($manifest->modules->module as $module) {
         $attributes = $module->attributes();
         $mod = $source . DS . $attributes['folder'].DS.$attributes['module'];
         $modname = $attributes['module'];
         $installer->install($mod);
         echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_MODULE_INSTALL_TEXT') . $modname. '</p>';
      }

      $this->syncusers();
      $this->loadsampledata($parent);
   }

   function syncusers()
   {
      // Check to see if we need to synchronise with users table.
      $query = "SELECT count(*) FROM `#__rialto_users`";
      $db = JFactory::getDbo();
      $db->setQuery($query);
      $p_id = $db->loadResult();

      if ( $p_id == 0 ) {
         $query = "INSERT IGNORE INTO `#__rialto_users` (id, username, email)";
         $query.= "\n   SELECT id, username, email FROM `#__users`";
         $db->setQuery($query);
         $db->execute();
      }
   }

   /**
    * $parent is the class calling this method.
    * update runs after the database scripts are executed.
    * If the extension exists, then the update method is run.
    * If this returns false, Joomla will abort the update and undo everything already done.
    * @param $parent
    */
   function update( $parent )
   {
      $manifest = $parent->get("manifest");
      $parent = $parent->getParent();
      $source = $parent->getPath("source");
      $installer = new JInstaller();

      // Install plugins
      foreach($manifest->plugins->plugin as $plugin) {
         $attributes = $plugin->attributes();
         $plg = $source . DS . $attributes['folder'].DS.$attributes['plugin'];
         // $plgname = $attributes['plugin'];
         $pname = $attributes['name'];
         echo "Update ".$pname."<p>";
         $installer->install($plg);
         echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_PLUGIN_INSTALL_TEXT') . $pname. '</p>';
         $this->enable_plugin($pname);
      }

      // Install modules
      foreach($manifest->modules->module as $module) {
         $attributes = $module->attributes();
         $mod = $source . DS . $attributes['folder'].DS.$attributes['module'];
         $modname = $attributes['module'];
         $installer->install($mod);
         echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_MODULE_INSTALL_TEXT') . $modname. '</p>';
      }

      $this->loadsampledata($parent);

      echo '<p>' . JText::_('COM_RIALTO_UPDATE_TEXT') . ' version: ' . $this->release . '</p>';
   }

   /**
    * $parent is the class calling this method.
    * $type is the type of change (install, update or discover_install, not uninstall).
    * postflight is run after the extension is registered in the database.
    * @param $type
    * @param $parent
    */
   function postflight( $type, $parent )
   {
      // set initial values for component parameters
      $params['my_param0'] = 'Component version ' . $this->release;
      $this->setParams( $params );

      $this->update_tags();

      echo '<p>' . JText::_('COM_RIALTO_POSTFLIGHT_' . strtoupper($type) . '_TEXT') . ' version: ' . $this->release . '</p>';
   }

   /*
    * $parent is the class calling this method
    * uninstall runs before any other action is taken (file removal or database processing).
    */
   /**
    * @param $parent
    */
   function uninstall( $parent )
   {
      //$this->deinstallPlugin();
      $manifest = $parent->get("manifest");
      $installer = new JInstaller();
      $db = JFactory::getDbo();

      // Uninstall modules
      // echo "<PRE>";var_dump($manifest->modules);echo "</PRE>";
      foreach($manifest->modules->module as $module) {
         $attributes = $module->attributes();
         $modname = $attributes['module'];
         $db->setQuery("SELECT `extension_id` FROM #__extensions WHERE `type` = 'module' AND `element` = '".$modname."'");
         $id = $db->loadResult();
         $installer->uninstall('module',$id);
         echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_MODULE_UNINSTALL_TEXT') . $modname. '</p>';
      }

      // Uninstall plugins
      // echo "<PRE>";var_dump($manifest->plugins);echo "</PRE>";
      foreach($manifest->plugins->plugin as $plugin) {
         $attributes = $plugin->attributes();
         $pname = $attributes['name'];
         $db->setQuery("SELECT `extension_id` FROM #__extensions WHERE `type` = 'plugin' AND (`element` = 'rialto' OR element = 'com_rialto') AND name ='".$pname."'");
         $id = $db->loadResult();
         $installer->uninstall('plugin',$id);
         echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_PLUGIN_UNINSTALL_TEXT') . $pname.'</p>';
      }

      $this->rem_tags();

      // Remove obsolete files and folders
      $oldFiles = $this->oldFiles;
      $this->_removeOldFilesAndFolders($oldFiles);

      echo '<p>' . JText::_('COM_RIALTO_UNINSTALL_TEXT') . ' version: ' . $this->release . '</p>';
   }


   /**
    * Removes obsolete files and folders
    *
    * @param array $oldFiles
    */
   private function _removeOldFilesAndFolders($oldFiles)
   {
      // Remove files
      JLoader::import('joomla.filesystem.file');
      if(!empty($oldFiles['files'])) foreach($oldFiles['files'] as $file) {
         $f = JPATH_ROOT.'/'.$file;
         if(!JFile::exists($f)) continue;
         JFile::delete($f);
      }

      // Remove folders
      JLoader::import('joomla.filesystem.file');
      if(!empty($oldFiles['folders'])) foreach($oldFiles['folders'] as $folder) {
         $f = JPATH_ROOT.'/'.$folder;
         if(!JFolder::exists($f)) continue;
         JFolder::delete($f);
      }
   }

   /**
    * @param $plgname
    */
   function enable_plugin($plgname)
   {
      // Check if plugin installed.
      // We are no enabling xmap plugin!
      $db = JFactory::getDBO();
      $db->setQuery("SELECT extension_id, enabled FROM #__extensions WHERE type='plugin' AND element='rialto' AND name='".$plgname."' ");
      $row = $db->loadObject();

      if ( empty($row) ) return;

      $plugin_id = $row->extension_id;
      $plugin_enabled = $row->enabled;
      if ( $plugin_id && !$plugin_enabled ){
         $db->setQuery( "UPDATE #__extensions SET enabled='1', access='1' WHERE extension_id='$plugin_id' ");
         $db->execute();
      }
      echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_PLUGIN_ENABLED_TEXT') . $plgname . '</p>';
   }

   /*
    * get a variable from the manifest file (actually, from the manifest cache).
    */
   /**
    * @param $name
    * @return mixed
    */
   function getParam( $name )
   {
      $db = JFactory::getDbo();
      $db->setQuery('SELECT manifest_cache FROM #__extensions WHERE element = "com_rialto" AND name = "Rialto"');
      $manifest = json_decode( $db->loadResult(), true );
      return $manifest[ $name ];
   }

   /*
    * sets parameter values in the component's row of the extension table
    */
   /**
    * @param $param_array
    */
   function setParams($param_array)
   {
      if ( count($param_array) > 0 ) {
         // read the existing component value(s)
         $db = JFactory::getDbo();
         $db->setQuery('SELECT params FROM #__extensions WHERE element = "com_rialto" AND  name = "Rialto"');
         $params = json_decode( $db->loadResult(), true );
         // add the new variable(s) to the existing one(s)
         foreach ( $param_array as $name => $value ) {
            $params[ (string) $name ] = (string) $value;
         }
         // store the combined new and existing values back as a JSON string
         $paramsString = json_encode( $params );
         $db->setQuery('UPDATE #__extensions SET params = ' .
            $db->quote( $paramsString ) . ' WHERE element = "com_rialto" AND name = "Rialto"' );
         $db->execute();
      }
   }


   /**
    * Procedure to create default categories and default labels.
    *
    * @param $parent
    */
   function loadsampledata($parent)
   {
      $db = JFactory::getDbo();
      // $user = JFactory::getUser();

      // Check to see if the Root node exists
      $query   = "SELECT id from `#__rialto_categories` WHERE title ='Root'";
      $db->setQuery($query);
      $r_id    = $db->loadResult();

      if ( empty ($r_id) ) {
         $query = "INSERT IGNORE INTO `#__rialto_categories` (id, title, description, parent_id, lft, rgt, level, alias, state, image, created, language) ";
         $query .= "VALUES (1, 'Root', 'Root', 0, 0, 5, 0, 'root',  1, NULL, now(), '*'),";
         $query .= "       (2, 'Uncategorised', 'Uncategorised', 1, 1, 2, 1, 'uncategorised', 1, 'images/rialto/uncategorised.png', now(), '*'),";
         $query .= "       (3, 'Demo Category', 'Demo Category', 1, 3, 4, 1, 'demo-category', 1, 'images/rialto/demo.png', now(), '*' )";
         $db->setQuery($query);
         $db->execute();
      }

      $db->setQuery( 'SELECT COUNT(*) FROM `#__rialto_labels`');
      if ( $db->loadResult() == 0) {
         $query  = "INSERT INTO `#__rialto_labels` (id, name, ordering, state, description, image, language) ";
         $query .= "VALUES ";
         $query .= " ( '1', 'For Sale', '1', '1', 'Items for sale', 'images/rialto/for_sale.png', '*' ), ";
         $query .= " ('2', 'Wanted', '2', '1', 'Items wanted.', 'images/rialto/wanted.png', '*' ),";
         $query .= " ('3', 'Want to change', '3', '1', 'Items to exchange.', 'images/rialto/exchange.png', '*')";
         $db->setQuery($query);
         $db->execute();
      }

      // Copy over sample label images.
      $src = $parent->getPath('source');

      $srcdir = $src.'/images/';
      $dest   = JPATH_SITE . '/images/rialto';

      if ( !JFolder::exists($dest) ) {
         JFolder::create($dest);
         echo "Images destination Folder created.<p>";
      }

      $ifiles = array(
         'for_sale.png',
         'wanted.png',
         'exchange.png',
         'demo.png',
         'uncategorised.png',
      );

      foreach($ifiles as $f) {
         $fc = $srcdir.$f;
         if (JFile::exists($fc)) {
            if (!JFile::move($fc, $dest.'/'.$f)) {
               echo "Failed to copy from ".$fc." to ".$dest."<p>";
            }
         } else{
            echo "File $f doesn't exist in installation folder!<p>";
         }
      }

      // Where we have introduced the language column in 1.1.0 it would be null in existing installations, set to all;
      $db->setQuery( "UPDATE `#__rialto_labels` set language='*' where language = '' ");
      $db->execute();
      $db->setQuery( "UPDATE `#__rialto_categories` set language='*' where language = '' ");
      $db->execute();
      $db->setQuery( "UPDATE `#__rialto_entries` set language='*' where language = '' ");
      $db->execute();
  }

   private function update_tags()
   {
      $db = JFactory::getDbo();

      // If entries do not exist in #__content_types add them
      $query = "SELECT COUNT(*) FROM `#__content_types` ";
      $query .= " WHERE type_title IN ('Rialto Entry','Rialto Category') ";
      $db->setQuery($query);
      $cnt = $db->loadResult();

      // Ensure re have teh latest Entry fields.
      if ($cnt != 0) {
         $sql = 'UPDATE `#__content_types` set field_mappings = ';
         $sql .= '\'{"common":{"core_content_item_id":"id","core_title":"title","core_state":"state","core_alias":"alias","core_created_by_alias":"null","core_created_time":"date_created","core_modified_time":"date_lastmodified","core_body":"description", "core_hits":"null","core_publish_up":"null","core_publish_down":"null","core_access":"access", "core_params":"params", "core_featured":"flag_featured", "core_metadata":"null", "core_language":"language", "core_images":"null", "core_urls":"null", "core_version":"null", "core_ordering":"ordering", "core_metakey":"null", "core_metadesc":"null", "core_catid":"null", "core_xreference":"null", "asset_id":"null"}, "special":{}}\'';
         $sql .= ' WHERE type_title = \'Rialto Entry\' ';
         $db->setQuery($sql);
         $db->execute();
         echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_TAGS_UPDATED') . '</p>';
      }

      if ( $cnt == 0  ) {
         $query  = 'INSERT INTO `#__content_types` ';
         $query .= '(`type_title`, `type_alias`, `table`, `rules`, `field_mappings`,`router`) VALUES ';
         $query .= "('Rialto Entry','com_rialto.entry',";
         $query .= '\'{"special":{"dbtable":"#__rialto_entries","key":"id","type":"Entry","prefix":"RialtoTable","config":"array()"}}\',';
         $query .= "'',";
         $query .= '\'{"common":{"core_content_item_id":"id","core_title":"title","core_state":"state","core_alias":"alias","core_created_by_alias":"null","core_created_time":"date_created","core_modified_time":"date_lastmodified","core_body":"description", "core_hits":"null","core_publish_up":"null","core_publish_down":"null","core_access":"access", "core_params":"params", "core_featured":"flag_featured", "core_metadata":"null", "core_language":"language", "core_images":"null", "core_urls":"null", "core_version":"null", "core_ordering":"ordering", "core_metakey":"null", "core_metadesc":"null", "core_catid":"null", "core_xreference":"null", "asset_id":"null"}, "special":{}}\',';
         $query .= "'RialtoHelperRoute::getEntryRoute'),";
         $query .= "('Rialto Category', 'com_rialto.category',";
         $query .= '\'{"special":"{dbtable":"#__rialto_categories","key":"id","type":"Category","prefix":"RialtoTable","config":"array()"}}\',';
         $query .= "'',";
         $query .= '\'{"common":{"core_content_item_id":"id","core_title":"title","core_state":"state","core_alias":"alias","core_created_by_alias":"null","core_created_time":"created","core_modified_time":"modified","core_body":"description", "core_hits":"null","core_publish_up":"null","core_publish_down":"null","core_access":"access","core_params":"params","core_featured":"null","core_metadata":"null","core_language":"language","core_images":"null","core_urls":"null","core_version":"null","core_ordering":"lft","core_metakey":"null","core_metadesc":"null","core_catid":"null","core_xreference":"null","asset_id":"null"},"special": {"parent_id":"parent_id","lft":"lft","rgt":"rgt","level":"level","path":"path","start_date":"start_date"}}\',';
         $query .= "'RialtoHelperRoute::getCategoryRoute');";
         $db->setQuery($query);
         $db->execute();

         echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_TAGS_UPDATED') . '</p>';
      }
   }

   private function rem_tags()
   {
      // Needed since we have to perform some specific updates if this is a Joomla 3.x uninstall.

      $db = JFactory::getDbo();

      $query  = "DELETE FROM `#__ucm_content` WHERE `core_type_alias` IN ('com_rialto.entry', 'com_rialto.category')";
      $db->setQuery($query);
      $db->execute();

      $query  = "DELETE FROM `#__contentitem_tag_map` WHERE `type_alias` IN ('com_rialto.entry', 'com_rialto.category')";
      $db->setQuery($query);
      $db->execute();

      $query  = "DELETE a FROM `#__ucm_base` AS a INNER JOIN `#__content_types` AS b ON a.ucm_type_id = b.type_id WHERE b.type_alias IN ('com_rialto.entry', 'com_rialto.category')";
      $db->setQuery($query);
      $db->execute();

      $query  = "DELETE FROM `#__content_types` WHERE type_alias IN ('com_rialto.entry','com_rialto.category')";
      $db->setQuery($query);
      $db->execute();

      echo '<p style="color: #5F9E30;">' . JText::_('COM_RIALTO_TAGS_REMOVED') . '</p>';
   }

}

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