<?php

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

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

class OpenAireViewDatasource extends JViewLegacy{
	const MODEL = 'search';
	const UNKNOWN_REPOSITORY = 'Unknown Repository';
	const OTHER = 'Οther';
	const OPENAIRE = 'OpenAIRE publication 2.0';
	const DRIVER = 'OpenAIRE publication basic (DRIVER)';
	const DRIVER_OPENAIRE = 'OpenAIRE funding 2.0';
	const NON_COMPATIBLE = 'non compatible';
        const OPENDOAR_BASEURL="http://www.opendoar.org/find.php?format=full&rID=";
        const RE3DATA_BASEURL="http://service.re3data.org/repository/";
	const PAGE = 1;
	const SIZE = 5;
	const LOG = 'openaire';
	
	function display($template = NULL) {
		$model = $this -> getModel(self :: MODEL);
		$this -> itemId = JRequest :: getUInt('Itemid', 0);
		$this -> datasourceId = JRequest :: getString('datasourceId');
		$locale = JFactory :: getLanguage() -> getTag();
		JViewLegacy:: loadHelper('PiwikHelper');
		PiwikHelper :: logPageView('viewDatasource', 'datasourceId=' . urlencode($this -> datasourceId) . '&locale=' . urlencode($locale));
		$this -> datasource = ($this -> datasourceId==NULL||$this -> datasourceId=="")?NULL:$model -> getDatasource($this -> datasourceId, $locale, true);
		// if type is Aggregator show related datasources
                if ($this -> datasource -> type!=null && strpos($this -> datasource -> type, 'Aggregator') !== false){
                    $this -> publications =($this -> datasourceId==NULL||$this -> datasourceId=="")?NULL: $model -> browsePublications(NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, $this -> datasourceId, NULL, self :: PAGE, self :: SIZE, $locale, NULL, NULL,TRUE,'&fields=' . OpenAireModelSearch :: PUBLICATION_PROJECT. '&fields=' . OpenAireModelSearch :: RESULT_HOSTING_DATASOURCE);
                    $this -> datasets =($this -> datasourceId==NULL||$this -> datasourceId=="")?NULL: $model -> browseDatasets(NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, $this -> datasourceId, self :: PAGE, self :: SIZE, $locale, NULL, NULL,TRUE, '&fields=' . OpenAireModelSearch :: RESULT_HOSTING_DATASOURCE);
                }else{
                    $this -> publications =($this -> datasourceId==NULL||$this -> datasourceId=="")?NULL: $model -> browsePublications(NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, $this -> datasourceId, NULL, self :: PAGE, self :: SIZE, $locale, NULL, NULL,TRUE,'&fields=' . OpenAireModelSearch :: PUBLICATION_PROJECT);
		$this -> datasets =($this -> datasourceId==NULL||$this -> datasourceId=="")?NULL: $model -> browseDatasets(NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, $this -> datasourceId, self :: PAGE, self :: SIZE, $locale, NULL, NULL,FALSE);
                }
                
		if ($this -> datasource == NULL) {
			$this -> statisticsExistUrl = NULL;
			$this -> statisticsChartUrl = NULL;
		} else {
			$this -> statisticsExistUrl = $model -> getDatasourceStatisticsExistUrl() . $this -> datasource -> url;
			$this -> statisticsChartUrl = $model -> getDatasourceStatisticsChartUrl() . $this -> datasource -> url;
		}
		$this -> projectStatisticsChartUrl = $model -> getProjectStatisticsChartUrl();
		if (count($errors = $this -> get('Errors')) > 0) {
			JLog :: add('Error viewing datasource: ' . implode("\n", $errors), JLog :: ERROR, self :: LOG);
			return FALSE;
		}
		parent :: display($template);
	}
}