<?php

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

jimport('joomla.application.component.view');
jimport('joomla.log.log');

class OpenAireViewCommunities extends JViewLegacy{
	const MODEL = 'search';
        const CLAIM_MODEL = 'claim';
	const LOG = 'openaire';
	const SIZE = 10;
	
	function display($template = NULL) {
		$locale = JFactory :: getLanguage() -> getTag();
		$this -> itemId = JRequest :: getUInt('Itemid', 0);
                $this -> id = JRequest :: getString('id');
		$term = JRequest :: getString('term');
                $type = JRequest :: getString('type');
                $parent = JRequest :: getString('parent');
		$funder = JRequest :: getString('funder');
                $claimModel = $this->getModel(self :: CLAIM_MODEL);
		$limit = JRequest :: getUInt('limit', self :: SIZE);
		$this -> communities = $claimModel -> getContexts();
                $data = array();
                
                if ($type == "root"){
                    list ($id, $category) = explode("::", $parent);
                    foreach ($this -> communities[$id] -> categories[$id. "::" . $category] -> concepts as $concept){
                        if (!$concept -> claim)
                            continue;
                        $data_t = new stdClass();
                        $data_t -> id = $concept -> id;
                        $data_t -> text = $concept -> name;
                        $data_t -> children = count($concept -> concepts)?true:false;
                        $data_t -> type = "root";
                        $data[] = $data_t;
                    }
                }else{
                    $concept = $claimModel -> getConcept($this -> id , 1);
                    $concepts = $concept -> concepts[count($concept -> concepts) - 1] -> concepts;
                    
                    foreach ($concepts as $concept){
                        if (!$concept -> claim)
                            continue;
                        $data_t = new stdClass();
                        $data_t -> id = $concept -> id;
                        $data_t -> text = $concept -> name;
                        $data_t -> children = count($concept -> concepts)?true:false;
                        $data_t -> type = "concept";
                        $data[] = $data_t;
                    }
                }
                $this -> communities = $data;
                $doc = JFactory::getDocument();
                $doc->setMimeEncoding('application/json');
                
		if (count($errors = $this -> get('Errors')) > 0) {
			JLog :: add('Error viewing communities (raw): ' . implode("\n", $errors), JLog :: ERROR, self :: LOG);
			return FALSE;
		}
		parent :: display($template);
	}
        
}