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<?php
/**
 * [PHPFOX_HEADER]
 */

defined('PHPFOX') or exit('NO DICE!');

/**
 * 
 * 
 * @copyright        [PHPFOX_COPYRIGHT]
 * @author          Raymond Benc
 * @package         Phpfox_Service
 * @version         $Id: process.class.php 4497 2012-07-11 10:27:33Z Miguel_Espinoza $
 */
class User_Service_Group_Process extends Phpfox_Service 
{
    /**
     * Class constructor
     */    
    public function __construct()
    {    
        $this->_sTable = Phpfox::getT('user_group');
    }
    
    public function add($aVals)
    {        
        $iId = ($this->database()->select('user_group_id')
            ->from($this->_sTable)
            ->order('user_group_id DESC')
            ->execute('getField') + 1);            
        
        $aForm = array(
            'title' => array(
                'type' => 'string:required',
                'message' => Phpfox::getPhrase('user.provide_a_name_for_the_user_group')
            ),
            'prefix' => array(
                'type' => 'string'
            ),
            'suffix' => array(
                'type' => 'string'
            ),
            'inherit_id' => array(
                'type' => 'int:required',
                'message' => Phpfox::getPhrase('user.select_an_inherit_user_group')
            )
        );
        
        $aVals = $this->validator()->process($aForm, $aVals);
        
        if (!Phpfox_Error::isPassed())
        {
            return false;
        }
        
        $aVals['user_group_id'] = $iId;
        $aVals['title'] = $this->preParse()->clean($aVals['title'], 255);
        
        if (($aVals['icon_ext'] = $this->_uploadImage($iId)) === false)
        {
            return false;
        }                
        
        if (is_bool($aVals['icon_ext']))
        {
            $aVals['icon_ext'] = null;
        }
        
        $this->database()->insert($this->_sTable, $aVals);
        
        // Add the language phrase for this new user group
        $aLanguages = Phpfox::getService('language')->getAll();
        $sPhraseVar = 'user.' . str_replace(' ', '_', strtolower($aVals['title']));
        $aToAdd = array('module' => 'user|user', 'product_id' => 'phpfox', 'text' => array(), 'var_name' => $sPhraseVar);
        foreach ($aLanguages as $aLang)
        {
            $aToAdd['text'][$aLang['language_id']] = $aVals['title'];
        }
        Phpfox::getService('language.phrase.process')->add($aToAdd);
        
        $aMenus = $this->database()->select('menu_id, disallow_access')
            ->from(Phpfox::getT('menu'))
            ->execute('getRows');
            
        $aCache = array();
        $aGroupRows = $this->database()->select('user_group_id')
            ->from($this->_sTable)
            ->execute('getRows');
        foreach ($aGroupRows as $aGroupRow)
        {
            $aCache[] = $aGroupRow['user_group_id'];
        }
        
        switch($aVals['inherit_id'])
        {
            case ADMIN_USER_ID:
                $sVar = 'default_admin';
                break;
            case GUEST_USER_ID:
                $sVar = 'default_guest';
                break;
            case STAFF_USER_ID:
                $sVar = 'default_staff';
                break;            
            case NORMAL_USER_ID:
                $sVar = 'default_user';
                break;
            default:
                
                break;
        }        
        
        if (empty($sVar))
        {
            $aGroupSettings = $this->database()->select('ugs.setting_id, ugc.module_id, ugc.name, ugc.default_value')
                ->from(Phpfox::getT('user_group_custom'), 'ugc')
                ->join(Phpfox::getT('user_group_setting'), 'ugs', 'ugc.name = ugs.name')
                ->where('ugc.user_group_id = ' . (int) $aVals['inherit_id'])
                ->execute('getRows');                  
        }
        else 
        {
            $aGroupSettings = $this->database()->select('setting_id, module_id, name, ' . $sVar)    
                ->from(Phpfox::getT('user_group_setting'))
                ->execute('getRows');
        }

        $aActualSettings = $this->database()->select('setting_id, value_actual')
            ->from(Phpfox::getT('user_setting'))
            ->where('user_group_id = ' . (int) $aVals['inherit_id'])
            ->execute('getRows');
            
        $aCacheSettings = array();
        foreach ($aActualSettings as $aActualSetting)
        {
            $aCacheSettings[$aActualSetting['setting_id']] = $aActualSetting['value_actual'];            
        }
        
        foreach ($aGroupSettings as $aGroupSetting)
        {    
            $sDefaultValue = (isset($aCacheSettings[$aGroupSetting['setting_id']]) ? $aCacheSettings[$aGroupSetting['setting_id']] : $aGroupSetting[(empty($sVar) ? 'default_value' : $sVar)]);
            if ($aGroupSetting['name'] == 'has_special_custom_fields')
            {
                $sDefaultValue = 0;
            }
            
            $this->database()->insert(Phpfox::getT('user_group_custom'), array(
                    'user_group_id' => $iId,
                    'module_id' => $aGroupSetting['module_id'],
                    'name' => $aGroupSetting['name'],
                    'default_value' => $sDefaultValue
                )
            );
        }        
        
        foreach ($aMenus as $aMenu)
        {
            if (empty($aMenu['disallow_access']))
            {
                continue;
            }
            
            $aGroups = unserialize($aMenu['disallow_access']);
            
            foreach ($aGroups as $iKey => $iGroup)
            {
                if (!in_array($iGroup, $aCache))
                {
                    unset($aGroups[$iKey]);
                }
            }
            
            if (in_array($aVals['inherit_id'], $aGroups))
            {            
                array_push($aGroups, $iId);
                
                $this->database()->update(Phpfox::getT('menu'), array('disallow_access' => serialize($aGroups)), 'menu_id = ' . $aMenu['menu_id']);
            }
        }        
        
        $this->cache()->remove();
        
        return $iId;
    }
    
    public function delete($aVals)
    {
        $aGroup = Phpfox::getService('user.group')->getGroup($aVals['delete_id']);
        
        if (!isset($aGroup['user_group_id']))
        {
            return Phpfox_Error::display(Phpfox::getPhrase('user.unable_to_find_the_user_group_you_want_to_delete'));
        }
        
        if ($aGroup['is_special'])
        {
            return Phpfox_Error::display(Phpfox::getPhrase('user.not_allowed_to_delete_this_user_group'));
        }        
        
        $aMenus = $this->database()->select('menu_id, disallow_access')
            ->from(Phpfox::getT('menu'))
            ->execute('getRows');                
        
        foreach ($aMenus as $aMenu)
        {
            if (empty($aMenu['disallow_access']))
            {
                continue;
            }
            
            $aGroups = unserialize($aMenu['disallow_access']);
            
            foreach ($aGroups as $iKey => $iGroup)
            {
                if ($iGroup == $aGroup['user_group_id'])
                {
                    unset($aGroups[$iKey]);
                }
            }
            
            $this->database()->update(Phpfox::getT('menu'), array('disallow_access' => serialize($aGroups)), 'menu_id = ' . $aMenu['menu_id']);
        }        
        $bHasCustom = $this->database()->select('s.value_actual')
                ->from(Phpfox::getT('user_setting'), 's')
                ->join(Phpfox::getT('user_group_custom'), 'v', 'v.setting_id = s.setting_id')
                ->where('s.user_group_id = ' . $aGroup['user_group_id'] . ' AND v.name= "has_special_custom_fields"')
                ->execute('getSlaveField');
        if ($bHasCustom)
        {
            $sTableName = Phpfox::getParam(array('db','prefix')) . 'user_group_custom_' . str_replace(' ', '_', strtolower($aGroup['title']));
            if ($this->database()->tableExists($sTableName) != false)
            {
                $this->database()->dropTables($sTableName);
            }
            if ($this->database()->tableExists($sTableName .'_value') != false)
            {
                $this->database()->dropTables($sTableName.'_value');
            }
        }
        $this->deleteIcon($aGroup['user_group_id']);
        
        $this->database()->delete(Phpfox::getT('user_group_custom'), 'user_group_id = ' . $aGroup['user_group_id']);
        $this->database()->delete(Phpfox::getT('user_setting'), 'user_group_id = ' . $aGroup['user_group_id']);
        $this->database()->delete(Phpfox::getT('user_group'), 'user_group_id = ' . $aGroup['user_group_id']);        
        $this->database()->update(Phpfox::getT('user'), array('user_group_id' => $aVals['user_group_id']), 'user_group_id = ' . $aGroup['user_group_id']);
        
        $this->database()->update(Phpfox::getT('subscribe_package'), array('is_active' => 0), 'user_group_id = ' . $aGroup['user_group_id']);
        $this->cache()->remove();
        
        return true;
    }
    
    public function update($iGroupId, $aVals)
    {
        $aForm = array(
            'title' => array(
                'type' => 'string:required',
                'message' => Phpfox::getPhrase('user.provide_a_name_for_the_user_group')
            ),
            'prefix' => array(
                'type' => 'string'
            ),
            'suffix' => array(
                'type' => 'string'
            )
        );
        
        $aVals = $this->validator()->process($aForm, $aVals);
        
        if (!Phpfox_Error::isPassed())
        {
            return false;
        }
        
        $aVals['title'] = $this->preParse()->clean($aVals['title'], 255);
        
        if (($aVals['icon_ext'] = $this->_uploadImage($iGroupId)) === false)
        {
            return false;
        }        
        
        if (is_bool($aVals['icon_ext']))
        {
            $aVals['icon_ext'] = null;
        }        
        
        $this->database()->update(Phpfox::getT('user_group'), $aVals, 'user_group_id = ' . (int) $iGroupId);        
        
        $this->cache()->remove();
        
        return true;
    }    
    
    public function deleteIcon($iId)
    {
        $aGroup = Phpfox::getService('user.group')->getGroup($iId);
        if (!empty($aGroup['icon_ext']))
        {
            if (file_exists(Phpfox::getParam('core.dir_icon') . $aGroup['icon_ext']))
            {
                unlink(Phpfox::getParam('core.dir_icon') . $aGroup['icon_ext']);
            }
        }
            
        return true;        
    }
    
    /**
     * If a call is made to an unknown method attempt to connect
     * it to a specific plug-in with the same name thus allowing 
     * plug-in developers the ability to extend classes.
     *
     * @param string $sMethod is the name of the method
     * @param array $aArguments is the array of arguments of being passed
     */
    public function __call($sMethod, $aArguments)
    {
        /**
         * Check if such a plug-in exists and if it does call it.
         */
        if ($sPlugin = Phpfox_Plugin::get('user.service_group_process__call'))
        {
            return eval($sPlugin);
        }
            
        /**
         * No method or plug-in found we must throw a error.
         */
        Phpfox_Error::trigger('Call to undefined method ' . __CLASS__ . '::' . $sMethod . '()', E_USER_ERROR);
    }    
    
    private function _uploadImage($iId)
    {
        if (!empty($_FILES['icon']['name']))
        {
            $aImage = Phpfox::getLib('file')->load('icon', array('jpg', 'gif', 'png'));
            if ($aImage === false)
            {
                return false;
            }
            
            $aGroup = Phpfox::getService('user.group')->getGroup($iId);
            if (!empty($aGroup['icon_ext']))
            {
                if (file_exists(Phpfox::getParam('core.dir_icon') . $aGroup['icon_ext']))
                {
                    unlink(Phpfox::getParam('core.dir_icon') . $aGroup['icon_ext']);
                }
            }
            
            return Phpfox::getLib('file')->upload('icon', Phpfox::getParam('core.dir_icon'), $iId, false, 0644, false);
        }        
        
        return true;
    }
}

?>