/**
* Gets errors that may have been found with the user's query.
*
* @return array An array of errors, each error is an array itself and has a message and a code key.
*/
protected function getErrors()
{
$errors = array();
// detect empty user queries
$resultService = $this->parentPlugin->getSearchResultSetService();
$searchWasTriggeredWithEmptyQuery = $resultService->getLastSearchWasExecutedWithEmptyQueryString();
if ($searchWasTriggeredWithEmptyQuery && !$this->configuration->getSearchQueryAllowEmptyQuery()) {
$errors[] = array('message' => '###LLL:error_emptyQuery###', 'code' => 1300893669);
}
// hook to provide additional error messages
if (is_array($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['solr']['addSearchErrors'])) {
foreach ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['solr']['addSearchErrors'] as $classReference) {
$errorDetector = GeneralUtility::getUserObj($classReference);
if ($errorDetector instanceof ErrorDetector) {
if ($errorDetector instanceof CommandPluginAware) {
$errorDetector->setParentPlugin($this->parentPlugin);
}
$additionalErrors = $errorDetector->getErrors();
if (is_array($additionalErrors)) {
$errors = array_merge($errors, $additionalErrors);
} else {
throw new \UnexpectedValueException($classReference . ' must return an array', 1359156111);
}
} else {
throw new \InvalidArgumentException('Error detector "' . $classReference . '" must implement interface ApacheSolrForTypo3\\Solr\\Plugin\\Results\\ErrorDetector.', 1359156192);
}
}
}
return $errors;
}
/**
* Generates the options for the results per page switch.
*
* @return array Array of results per page switch options.
*/
public function getResultsPerPageOptions()
{
$resultsPerPageOptions = array();
$resultsPerPageSwitchOptions = $this->configuration->getSearchResultsPerPageSwitchOptionsAsArray();
$currentNumberOfResultsShown = $this->parentPlugin->getSearchResultSetService()->getLastResultSet()->getResultsPerPage();
$queryLinkBuilder = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Solr\\Query\\LinkBuilder', $this->parentPlugin->getSearchResultSetService()->getSearch()->getQuery());
$queryLinkBuilder->removeUnwantedUrlParameter('resultsPerPage');
$queryLinkBuilder->setLinkTargetPageId($this->parentPlugin->getLinkTargetPageId());
foreach ($resultsPerPageSwitchOptions as $option) {
$selected = '';
$selectedClass = '';
if ($option == $currentNumberOfResultsShown) {
$selected = ' selected="selected"';
$selectedClass = ' class="currentNumberOfResults"';
}
$resultsPerPageOptions[] = array('value' => $option, 'selected' => $selected, 'selectedClass' => $selectedClass, 'url' => $queryLinkBuilder->getQueryUrl(array('resultsPerPage' => $option)));
}
return $resultsPerPageOptions;
}
/**
* @param $numberOfResults
* @return string
*/
protected function getPageBrowser($numberOfResults)
{
$pageBrowserMarkup = '';
$solrPageBrowserConfiguration = $this->configuration->getSearchResultsPageBrowserConfiguration();
if ($solrPageBrowserConfiguration['enabled']) {
$resultsPerPage = $this->parentPlugin->getSearchResultSetService()->getLastResultSet()->getResultsPerPage();
$numberOfPages = intval($numberOfResults / $resultsPerPage) + ($numberOfResults % $resultsPerPage == 0 ? 0 : 1);
$solrGetParameters = GeneralUtility::_GET('tx_solr');
if (!is_array($solrGetParameters)) {
$solrGetParameters = array();
}
$currentPage = $solrGetParameters['page'];
unset($solrGetParameters['page']);
$pageBrowserConfiguration = array_merge($solrPageBrowserConfiguration, array('numberOfPages' => $numberOfPages, 'currentPage' => $currentPage, 'extraQueryString' => GeneralUtility::implodeArrayForUrl('tx_solr', $solrGetParameters), 'templateFile' => $this->configuration->getTemplateByFileKey('pagebrowser')));
$pageBrowser = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Solr\\Plugin\\Results\\PageBrowser', $pageBrowserConfiguration, $this->getPageBrowserLabels());
$pageBrowserMarkup = $pageBrowser->render();
}
return $pageBrowserMarkup;
}
/**
* Gets the results for the suggested keywords.
*
* Conducts a new search using the suggested keywords and uses that search
* to render the regular results command.
*
* @return string The rendered results command for the results of the suggested keywords.
*/
protected function getSuggestionResults()
{
$spellChecker = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Solr\\SpellChecker');
$suggestedKeywords = $spellChecker->getCollatedSuggestion();
$suggestionResults = '';
if (empty($suggestedKeywords)) {
return $suggestionResults;
}
$plugin = $this->parentPlugin;
$searchResultSetService = $this->parentPlugin->getSearchResultSetService();
// repeat the last search with suggestion as query string
$usedRequest = $searchResultSetService->getLastResultSet()->getUsedSearchRequest();
$usedRequest->setRawQueryString($suggestedKeywords);
$searchResultSetService->search($usedRequest);
$resultsCommand = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Solr\\Plugin\\Results\\ResultsCommand', $plugin);
$commandVariables = $resultsCommand->execute();
$suggestionResults = $plugin->renderCommand('results', $commandVariables);
return $suggestionResults;
}
