<?php

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

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

class OpenAireViewStatistics extends JViewLegacy{
	const MODEL = 'statistics';
	const OPEN = 'OPEN';
	const LIMIT = 15;
	const UNLIMITED = -1;
	const LOG = 'openaire';
	
	function display($template = NULL) {
		$this -> itemId = JRequest :: getUInt('Itemid', 0);
		$this -> showCountries = (JRequest :: getString('showCountries') == 'true');
		$this -> showInstitutions = (JRequest :: getString('showInstitutions') == 'true');
		$model = $this -> getModel(self :: MODEL);
		$this -> statistics = $model -> getStatistics();
		$this -> publicationsByAccessMode = $model -> getPublicationsByAccessMode();
		$this -> openAccessPublications = 0;
		$this -> embargoPublications = 0;
		if ($this -> publicationsByAccessMode != NULL) {
			foreach ($this -> publicationsByAccessMode as $i => $pubilcationsByAccessMode) {
				if ($pubilcationsByAccessMode -> accessMode == self :: OPEN) {
					$this -> openAccessPublications += $pubilcationsByAccessMode -> publications;
					unset($this -> publicationsByAccessMode[$i]);
				} else
					$this -> embargoPublications += $pubilcationsByAccessMode -> publications;
			}
		}
		$this -> publicationsByProgramme = $model -> getPublicationsByProgramme(self :: UNLIMITED);
		$this -> publicationsByScientificArea = $model -> getPublicationsByScientificArea(self :: UNLIMITED);
		$this -> publicationsByCountry = $model -> getPublicationsByCountry($this -> showCountries ? self :: UNLIMITED : self :: LIMIT);
		$this -> publicationsByInstitution = $model -> getPublicationsByInstitution($this -> showInstitutions ? self :: UNLIMITED : self :: LIMIT);
		if (count($errors = $this -> get('Errors')) > 0) {
			JLog :: add('Error viewing statistics: ' . implode("\n", $errors), JLog :: ERROR, self :: LOG);
			return FALSE;
		}
		parent :: display($template);
	}
}