<?php

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

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

class OpenAireViewSearchDatasources 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;
		}
		$language = JRequest :: getString('language');
		if ($language != NULL) {
			$this -> filters['language'] = new JObject();
			$this -> filters['language'] -> name = 'language';
			$this -> filters['language'] -> value = $language;
		}
		$content = JRequest :: getString('content');
		if ($content != NULL) {
			$this -> filters['content'] = new JObject();
			$this -> filters['content'] -> name = 'content';
			$this -> filters['content'] -> value = $content;
		}
		$compatibility = JRequest :: getString('compatibility');
		if ($compatibility != NULL) {
			$this -> filters['compatibility'] = new JObject();
			$this -> filters['compatibility'] -> name = 'compatibility';
			$this -> filters['compatibility'] -> value = $compatibility;
		}
		$this -> page = JRequest :: getUInt('page', self :: DEFAULT_PAGE);
		$this -> size = self :: DEFAULT_SIZE; //JRequest :: getUInt('size', self :: DEFAULT_SIZE);
		if ($this -> keyword == NULL)
			$this -> statistics = $model -> getDatasourceStatistics($locale);
		else {
			JViewLegacy:: loadHelper('PiwikHelper');
			PiwikHelper :: logPageView('searchDatasources', 'keyword=' . urlencode($this -> keyword) . '&type=' . urlencode($type) . '&language=' . urlencode($language) . '&content=' . urlencode($content) . '&compatibility=' . urlencode($compatibility) . '&page=' . urlencode($this -> page) . '&size=' . urlencode($this -> size) . '&locale=' . urlencode($locale));
			$this -> result = $model -> searchDatasources($this -> keyword, $type, $language, $content, $compatibility, $this -> page, $this -> size, $locale, TRUE);
			$this -> totalPages = ($this -> result == NULL) ? NULL : ceil($this -> result -> totalDatasources / $this -> size);
			if ($this -> totalPages == NULL)
				$this -> totalPages = 1;
                        $this -> page = ($this -> page > $this -> totalPages)? $this -> totalPages:$this -> page;
			$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 searchdatasources: ' . implode("\n", $errors), JLog :: ERROR, self :: LOG);
			return FALSE;
		}
		parent :: display($template);
	}
}