class.ilPollDataSet.php

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

include_once("./Services/DataSet/classes/class.ilDataSet.php");

class ilPollDataSet extends ilDataSet
{       
        protected $current_blog;
        
        public function getSupportedVersions()
        {
                return array("4.3.0");
        }
        
        function getXmlNamespace($a_entity, $a_schema_version)
        {
                return "http://www.ilias.de/xml/Modules/Poll/".$a_entity;
        }
        
        protected function getTypes($a_entity, $a_version)
        {               
                if ($a_entity == "poll")
                {
                        switch ($a_version)
                        {                       
                                case "4.3.0":
                                        return array(
                                                "Id" => "integer",
                                                "Title" => "text",
                                                "Description" => "text",                                        
                                                "Question" => "text",                                   
                                                "Image" => "text",
                                                "ViewResults" => "integer",
                                                "Dir" => "directory"
                                                );
                        }
                }
                
                if ($a_entity == "poll_answer")
                {
                        switch ($a_version)
                        {                               
                                case "4.3.0":
                                        return array(
                                                "Id" => "integer",
                                                "PollId" => "integer",
                                                "Answer" => "text",
                                                "Pos" => "integer",                                             
                                        );
                        }
                }
        }

        function readData($a_entity, $a_version, $a_ids, $a_field = "")
        {
                global $ilDB;

                if (!is_array($a_ids))
                {
                        $a_ids = array($a_ids);
                }
                
                if ($a_entity == "poll")
                {
                        switch ($a_version)
                        {                               
                                case "4.3.0":
                                        $this->getDirectDataFromQuery("SELECT pl.id,od.title,od.description,".
                                                "pl.question,pl.image,pl.view_results".
                                                " FROM il_poll pl".
                                                " JOIN object_data od ON (od.obj_id = pl.id)".
                                                " WHERE ".$ilDB->in("pl.id", $a_ids, false, "integer").
                                                " AND od.type = ".$ilDB->quote("poll", "text"));
                                        break;                          
                        }
                }
                
                if ($a_entity == "poll_answer")
                {
                        switch ($a_version)
                        {                               
                                case "4.3.0":
                                        $this->getDirectDataFromQuery("SELECT id,poll_id,answer,pos".
                                                " FROM il_poll_answer WHERE ".
                                                $ilDB->in("poll_id", $a_ids, false, "integer"));
                                        break;
                        }
                }       
        }
        
        protected function getDependencies($a_entity, $a_version, $a_rec, $a_ids)
        {
                switch ($a_entity)
                {
                        case "poll":
                                return array (
                                        "poll_answer" => array("ids" => $a_rec["Id"])
                                );                      
                }
                return false;
        }

        function getXmlRecord($a_entity, $a_version, $a_set)
        {
                if ($a_entity == "poll")
                {
                        include_once("./Modules/Poll/classes/class.ilObjPoll.php");
                        $dir = ilObjPoll::initStorage($a_set["Id"]);
                        $a_set["Dir"] = $dir;
                }

                return $a_set;
        }
        
        function importRecord($a_entity, $a_types, $a_rec, $a_mapping, $a_schema_version)
        {
                switch ($a_entity)
                {
                        case "poll":
                                include_once("./Modules/Poll/classes/class.ilObjPoll.php");
                                
                                // container copy
                                if($new_id = $a_mapping->getMapping("Services/Container", "objs", $a_rec["Id"]))
                                {
                                        $newObj = ilObjectFactory::getInstanceByObjId($new_id, false);
                                }
                                else
                                {       
                                        $newObj = new ilObjPoll();
                                        $newObj->create();
                                }
                                
                                $newObj->setTitle($a_rec["Title"]);
                                $newObj->setDescription($a_rec["Description"]);                                                                                         
                                $newObj->setQuestion($a_rec["Question"]);                               
                                $newObj->setImage($a_rec["Image"]);
                                $newObj->setViewResults($a_rec["ViewResults"]);
                                $newObj->update();
                                
                                // handle image(s)
                                if($a_rec["Image"])
                                {                                                               
                                        $dir = str_replace("..", "", $a_rec["Dir"]);                                                                            
                                        if ($dir != "" && $this->getImportDirectory() != "")
                                        {
                                                $source_dir = $this->getImportDirectory()."/".$dir;
                                                $target_dir = ilObjPoll::initStorage($newObj->getId());         
                                                ilUtil::rCopy($source_dir, $target_dir);
                                        }
                                }

                                $a_mapping->addMapping("Modules/Poll", "poll", $a_rec["Id"], $newObj->getId());
                                break;

                        case "poll_answer":                                                     
                                $poll_id = (int) $a_mapping->getMapping("Modules/Poll", "poll", $a_rec["PollId"]);
                                if($poll_id)
                                {
                                        $poll = new ilObjPoll($poll_id, false);
                                        $poll->saveAnswer($a_rec["Answer"], $a_rec["pos"]);                                                                                     
                                }
                                break;
                }
        }       
}

?>