class.ilUserXMLWriter.php

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<?php

/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "./Services/Xml/classes/class.ilXmlWriter.php";
include_once './Services/User/classes/class.ilObjUserFolder.php';

class ilUserXMLWriter extends ilXmlWriter
{
        var $ilias;
        var $xml;
        var $users;
        var $user_id = 0;
        var $attachRoles = false;
        var $attachPreferences = false;
        private static $exportablePrefs;

        private $settings;

        function __construct()
        {
                global $ilias,$ilUser;

                parent::__construct();

                $this->ilias = $ilias;
                $this->user_id = $ilUser->getId();
                $this->attachRoles = false;
                
/*              $this->exportablePrefs = array(
                        "priv_feed_pass", "language", "style", "skin", 'ilPageEditor_HTMLMode',
                         'ilPageEditor_JavaScript', 'ilPageEditor_MediaMode', 'tst_javascript', 
                         'tst_lastquestiontype', 'tst_multiline_answers', 'tst_use_previous_answers',
                        'graphicalAnswerSetting', "weekstart"                           
                );*/
        }

        function setAttachRoles ($value)
        {
                $this->attachRoles = $value == 1? true : false;
        }

        function setObjects(&  $users)
        {
                $this->users = & $users;
        }


        function start()
        {
                if (!is_array($this->users))
                        return false;

                $this->__buildHeader();


            include_once ("./Services/User/classes/class.ilUserDefinedFields.php");
                $udf_data = & ilUserDefinedFields::_getInstance();
                $udf_data->addToXML($this);

                foreach ($this->users as $user)
                {

                        $this->__handleUser ($user);

                }

                $this->__buildFooter();

                return true;
        }

        function getXML()
        {
                return $this->xmlDumpMem(FALSE);
        }


        function __buildHeader()
        {
                $this->xmlSetDtdDef("<!DOCTYPE Users PUBLIC \"-//ILIAS//DTD UserImport//EN\" \"".ILIAS_HTTP_PATH."/xml/ilias_user_5_1.dtd\">");
                $this->xmlSetGenCmt("User of ilias system");
                $this->xmlHeader();

                $this->xmlStartTag('Users');

                return true;
        }

        function __buildFooter()
        {
                $this->xmlEndTag('Users');
        }

        function __handleUser ($row)
        {
                global $ilDB,$lng;
                if (!is_array ($this->settings))  {
                        include_once ('./Services/User/classes/class.ilObjUserFolder.php');
                        $this->setSettings(ilObjUserFolder::getExportSettings());
                }

                $prefs = ilObjUser::_getPreferences($row["usr_id"]);
                
                if (strlen($row["language"]) == 0)
                {
                        $row["language"] = $lng->getDefaultLanguage();
                        
                }

                $attrs = array (
                        'Id' => "il_".IL_INST_ID."_usr_".$row["usr_id"],
                        'Language' => $row["language"],
                        'Action' => "Update"
                );

                $this->xmlStartTag("User", $attrs);

                $this->xmlElement("Login", null, $row["login"]);

                if ($this->attachRoles == TRUE)
                {
                        include_once './Services/AccessControl/classes/class.ilObjRole.php';

                        $query = sprintf("SELECT object_data.title, object_data.description,  rbac_fa.* ".
                                        "FROM object_data, rbac_ua, rbac_fa WHERE rbac_ua.usr_id = %s ".
                                                        "AND rbac_ua.rol_id = rbac_fa.rol_id AND object_data.obj_id = rbac_fa.rol_id",
                                        $ilDB->quote($row["usr_id"],'integer')
                        );
                        $rbacresult = $ilDB->query($query);

                        while ($rbacrow = $rbacresult->fetchRow(ilDBConstants::FETCHMODE_ASSOC))
                        {
                                        if ($rbacrow["assign"] != "y")
                                                continue;

                                        $type = "";

                                        if ($rbacrow["parent"] == ROLE_FOLDER_ID)
                                        {
                                                $type = "Global";
                                        }
                                        else
                                        {
                                                $type = "Local";
                                        }
                                        if (strlen($type))
                                        {
                                                $this->xmlElement("Role",
                                                        array ("Id" =>
                                                                "il_".IL_INST_ID."_role_".$rbacrow["rol_id"], "Type" => $type),
                                                        $rbacrow["title"]);
                                        }

                        }
                }

                $this->__addElement ("Firstname", $row["firstname"]);
                $this->__addElement ("Lastname", $row["lastname"]);
                $this->__addElement ("Title", $row["title"]);

                if ($this->canExport("PersonalPicture", "upload"))
                {
                        $imageData = $this->getPictureValue($row["usr_id"]);
                        if ($imageData)
                        {
                                $value = array_shift($imageData); //$imageData["value"];
                                $this->__addElement ("PersonalPicture", $value, $imageData, "upload");
                        }
                }


                $this->__addElement ("Gender", $row["gender"]);
                $this->__addElement ("Email", $row["email"]);
                $this->__addElement ("Birthday", $row["birthday"]);
                $this->__addElement ("Institution", $row["institution"]);
                $this->__addElement ("Street", $row["street"]);
                $this->__addElement ("City", $row["city"]);
                $this->__addElement ("PostalCode", $row["zipcode"], null, "zipcode");
                $this->__addElement ("Country", $row["country"]);
                $this->__addElement ("SelCountry", $row["sel_country"], null, "sel_country");
                $this->__addElement ("PhoneOffice", $row["phone_office"], null, "phone_office");
                $this->__addElement ("PhoneHome", $row["phone_home"], null, "phone_home");
                $this->__addElement ("PhoneMobile", $row["phone_mobile"],  null, "phone_mobile");
                $this->__addElement ("Fax", $row["fax"]);
                $this->__addElement ("Hobby", $row["hobby"]);   
                
                $this->__addElementMulti ("GeneralInterest", $row["interests_general"], null, "interests_general");
                $this->__addElementMulti ("OfferingHelp", $row["interests_help_offered"], null, "interests_help_offered");
                $this->__addElementMulti ("LookingForHelp", $row["interests_help_looking"], null, "interests_help_looking");            
                
                $this->__addElement ("Department", $row["department"]);
                $this->__addElement ("Comment", $row["referral_comment"], null, "referral_comment");
                $this->__addElement ("Matriculation", $row["matriculation"]);
                $this->__addElement ("Active", $row["active"] ? "true":"false" );
                $this->__addElement ("ClientIP", $row["client_ip"], null, "client_ip");
                $this->__addElement ("TimeLimitOwner", $row["time_limit_owner"], null, "time_limit_owner");
                $this->__addElement ("TimeLimitUnlimited", $row["time_limit_unlimited"], null, "time_limit_unlimited");
                $this->__addElement ("TimeLimitFrom", $row["time_limit_from"], null, "time_limit_from");
                $this->__addElement ("TimeLimitUntil", $row["time_limit_until"], null, "time_limit_until");
                $this->__addElement ("TimeLimitMessage", $row["time_limit_message"], null, "time_limit_message");
                $this->__addElement ("ApproveDate", $row["approve_date"], null, "approve_date");
                $this->__addElement ("AgreeDate", $row["agree_date"], null, "agree_date");

                if (strlen($row["auth_mode"])>0)
                {
                        $this->__addElement ("AuthMode", null, array ("type" => $row["auth_mode"]),"auth_mode", true);
                }

                if (strlen($row["ext_account"])>0)
                {
                        $this->__addElement ("ExternalAccount", $row["ext_account"], null, "ext_account", true);
                }

            if ($this->canExport("Look","skin_style"))
            {
                $this->__addElement("Look", null, array(
                        "Skin"  =>      $prefs["skin"], "Style" =>      $prefs["style"]
                ), "skin_style", true);

            }


                $this->__addElement ("LastUpdate", $row["last_update"], null, "last_update");
                $this->__addElement ("LastLogin", $row["last_login"], null, "last_login");

                include_once ("./Services/User/classes/class.ilUserDefinedData.php");
                $udf_data = new ilUserDefinedData($row['usr_id']);
                $udf_data->addToXML($this, $this->settings);

                $this->__addElement("AccountInfo", $row["ext_account"], array("Type" => "external"));

                $this->__addElement("GMapsInfo", null, array (
                        "longitude" => $row["longitude"],
                        "latitude" => $row["latitude"],
                        "zoom" => $row["loc_zoom"]));

                $this->__addElement("Feedhash", $row["feed_hash"]);

                if ($this->attachPreferences || $this->canExport("prefs", "preferences"))
                        $this->__handlePreferences ($prefs, $row);
                
                $this->xmlEndTag('User');
        }

        
        private function __handlePreferences ($prefs, $row) 
        {               
                
                include_once ("Services/Mail/classes/class.ilMailOptions.php");
                $mailOptions = new ilMailOptions($row["usr_id"]);
                $prefs["mail_incoming_type"] = $mailOptions->getIncomingType();         
                $prefs["mail_signature"] = $mailOptions->getSignature();
                $prefs["mail_linebreak"] = $mailOptions->getLinebreak();
                if (count($prefs))
                {
                        $this->xmlStartTag("Prefs");
                        foreach ($prefs as $key => $value) 
                        {
                                if (ilUserXMLWriter::isPrefExportable($key))
                                        $this->xmlElement("Pref", array("key" => $key), $value);        
                        }
                        $this->xmlEndTag("Prefs");
                }
        }
        
        function __addElementMulti ($tagname, $value, $attrs = null, $settingsname = null, $requiredTag = false)
        {
                if(is_array($value) && sizeof($value))
                {
                        foreach($value as $idx => $item)
                        {
                                $this->__addElement ($tagname, $item, $attrs, $settingsname, $requiredTag);
                        }
                }                                       
        }
        
        function __addElement ($tagname, $value, $attrs = null, $settingsname = null, $requiredTag = false)
        {
                if ($this->canExport($tagname, $settingsname))
                {
                        if (strlen($value) > 0 || $requiredTag || (is_array($attrs) && count($attrs) > 0))
                        {
                                $this->xmlElement ($tagname, $attrs, $value);
                        }
                }
        }

        private function canExport ($tagname, $settingsname = null)
        {
                return !is_array($this->settings) ||
                           in_array(strtolower($tagname), $this->settings) !== FALSE ||
                           in_array($settingsname, $this->settings) !== FALSE;
        }

        function setSettings ($settings) {
                $this->settings = $settings;
        }

        private function getPictureValue ($usr_id) {
                global $ilDB;
                // personal picture
                $q = sprintf("SELECT value FROM usr_pref WHERE usr_id = %s AND keyword = %s",
                        $ilDB->quote($usr_id, "integer"), $ilDB->quote('profile_image', "text"));
                $r = $ilDB->query($q);
                if ($ilDB->numRows($r) == 1)
                {
                        $personal_picture_data = $r->fetchRow(ilDBConstants::FETCHMODE_ASSOC);
                        $personal_picture = $personal_picture_data["value"];
                        $webspace_dir = ilUtil::getWebspaceDir();
                        $image_file = $webspace_dir."/usr_images/".$personal_picture;
                        if (@is_file($image_file))
                        {
                                $fh = fopen($image_file, "rb");
                                if ($fh)
                                {
                                        $image_data = fread($fh, filesize($image_file));
                                        fclose($fh);
                                        $base64 = base64_encode($image_data);
                                        $imagetype = "image/jpeg";
                                        if (preg_match("/.*\.(png|gif)$/", $personal_picture, $matches))
                                        {
                                                $imagetype = "image/".$matches[1];
                                        }
                                        return array (
                                                "value" => $base64,
                                                "encoding" => "Base64",
                                                "imagetype" => $imagetype
                                        );
                                }
                        }
                }
                return false;
        }

        
        public function setAttachPreferences ($attachPrefs) 
        {
                $this->attachPreferences = $attachPrefs;
        }
        
        public static function getExportablePreferences() {
                return array (
                                'hits_per_page',
                                'public_city',
                                'public_country',
                                'public_department',
                                'public_email',
                                'public_fax',
                                'public_hobby',
                                'public_institution',
                                'public_matriculation',
                                'public_phone',
                                'public_phone_home',
                                'public_phone_mobile',
                                'public_phone_office',
                                'public_profile',
                                'public_street',
                                'public_upload',
                                'public_zip',
                                'send_info_mails',
                                /*'show_users_online',*/
                                'hide_own_online_status',
                                'bs_allow_to_contact_me',
                                'chat_osc_accept_msg',
                                'user_tz',
                                'weekstart',
                                'mail_incoming_type',
                                'mail_signature',
                                'mail_linebreak',
                                'public_interests_general',
                                'public_interests_help_offered',
                                'public_interests_help_looking'
                );
        }
        
        public static function isPrefExportable($key) {
                return in_array($key, ilUserXMLWriter::getExportablePreferences());
        }
        
}


?>