D-Net

<?php

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

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

jimport('joomla.environment.request');

jimport('joomla.log.log');

class OpenAireViewSearchDatasets extends JViewLegacy{

	const LOG = 'openaire';

	const MODEL = 'search';

	const DEFAULT_PAGE = 1;

	const DEFAULT_SIZE = 10;

	const MAX_PAGES = 5;

	function display($template = NULL) {

		$model = $this -> getModel(self :: MODEL);

		$locale = JFactory :: getLanguage() -> getTag();

		$this -> itemId = JRequest :: getUInt('Itemid', 0);

		$this -> keyword = JRequest :: getString('keyword');

		$this -> filters = array();

		$type = JRequest :: getString('type');

		if ($type != NULL) {

			$this -> filters['type'] = new JObject();

			$this -> filters['type'] -> name = 'type';

			$this -> filters['type'] -> value = $type;

		}

		$language = JRequest :: getString('languageFilter');

		if ($language != NULL) {

			$this -> filters['languageFilter'] = new JObject();

			$this -> filters['languageFilter'] -> name = 'languageFilter';

			$this -> filters['languageFilter'] -> value = $language;

		}

		$funder = JRequest :: getString('funder');

		if ($funder != NULL) {

			$this -> filters['funder'] = new JObject();

			$this -> filters['funder'] -> name = 'funder';

			$this -> filters['funder'] -> value = $funder;

		}

		$fundingStream = JRequest :: getString('fundingStream');

		if ($fundingStream != NULL) {

			$this -> filters['fundingStream'] = new JObject();

			$this -> filters['fundingStream'] -> name = 'fundingStream';

			$this -> filters['fundingStream'] -> value = $fundingStream;

		}

		$scientificArea = JRequest :: getString('scientificArea');

		if ($scientificArea != NULL) {

			$this -> filters['scientificArea'] = new JObject();

			$this -> filters['scientificArea'] -> name = 'scientificArea';

			$this -> filtesr['scientificArea'] -> value = $scientificArea;

		}

		$year = JRequest :: getUInt('year', NULL);

		if ($year != NULL) {

			$this -> filters['year'] = new JObject();

			$this -> filters['year'] -> name = 'year';

			$this -> filters['year'] -> value = $year;

		}

		$accessMode = JRequest :: getString('accessMode');

		if ($accessMode != NULL) {

			$this -> filters['accessMode'] = new JObject();

			$this -> filters['accessMode'] -> name = 'accessMode';

			$this -> filters['accessMode'] -> value = $accessMode;

		}

		$datasource = JRequest :: getString('datasource');

		if ($datasource != NULL) {

			$this -> filters['datasource'] = new JObject();

			$this -> filters['datasource'] -> name = 'datasource';

			$this -> filters['datasource'] -> value = $datasource;

		}

		$this -> page = JRequest :: getUInt('page', self :: DEFAULT_PAGE);

		$this -> size = JRequest :: getUInt('size', self :: DEFAULT_SIZE);

		if ($this -> keyword == NULL)

			$this -> statistics = $model -> getDatasetStatistics($locale);

		else {

			JViewLegacy:: loadHelper('PiwikHelper');

			PiwikHelper :: logPageView('searchDatasets', 'keyword=' . urlencode($this -> keyword) . '&type=' . urlencode($type) . '&language=' . urlencode($language) . '&funder=' . urlencode($funder) . '&fundingStream=' . urlencode($fundingStream) . '&scientificArea=' . urlencode($scientificArea) . '&year=' . urlencode($year) . '&accessMode=' . urlencode($accessMode) . '&datasource=' . urlencode($datasource) . '&page=' . urlencode($this -> page) . '&size=' . urlencode($this -> size) . '&locale=' . urlencode($locale));

			$this -> result = $model -> searchDatasets($this -> keyword, $type, $language, $funder, $fundingStream, $scientificArea, $year, $accessMode, $datasource, $this -> page, $this -> size, $locale);			

			$this -> totalPages = ($this -> result == NULL) ? NULL : ceil($this -> result -> totalDatasets / $this -> size);

			if ($this -> totalPages == NULL)

				$this -> totalPages = 1;

			$this -> pagingStart = $this -> page;

			$this -> pagingEnd = $this -> page;

			while (($this -> pagingEnd - $this -> pagingStart < self :: MAX_PAGES - 1) && (($this -> pagingStart != 1) || ($this -> pagingEnd != $this -> totalPages))) {

				if ($this -> pagingStart > 1)

					$this -> pagingStart --;

				if ($this -> pagingEnd < $this -> totalPages)

					$this -> pagingEnd++;

			}			

		}

		if (count($errors = $this -> get('Errors')) > 0) {

			JLog :: add('Error viewing searchdatasets: ' . implode("\n", $errors), JLog :: ERROR, self :: LOG);

			return FALSE;

		}

		parent :: display($template);

	}

}