/**
* Set up filters based on VuFind settings.
*
* @param ParamBag $params Parameter collection to update
*
* @return void
*/
public function createBackendFilterParameters(ParamBag $params)
{
// flag our non-Standard checkbox filters:
$foundIncludeNewspapers = false;
# includeNewspapers
$foundIncludeWithoutFulltext = false;
# includeWithoutFulltext
$filterList = $this->getFilterList();
// Which filters should be applied to our query?
if (!empty($filterList)) {
// Loop through all filters and add appropriate values to request:
foreach ($filterList as $filterArray) {
foreach ($filterArray as $filt) {
$safeValue = SummonQuery::escapeParam($filt['value']);
if ($filt['field'] == 'holdingsOnly') {
// Special case -- "holdings only" is a separate parameter from
// other facets.
$params->set('holdings', strtolower(trim($safeValue)) == 'true');
} else {
if ($filt['field'] == 'excludeNewspapers') {
// support a checkbox for excluding newspapers:
// this is now the default behaviour.
} else {
if ($filt['field'] == 'includeNewspapers') {
// explicitly include newspaper articles
$foundIncludeNewspapers = true;
} else {
if ($range = SolrUtils::parseRange($filt['value'])) {
// Special case -- range query (translate [x TO y] syntax):
$from = SummonQuery::escapeParam($range['from']);
$to = SummonQuery::escapeParam($range['to']);
$params->add('rangeFilters', "PublicationDate,{$from}:{$to}");
} else {
if ($filt['field'] == 'includeWithoutFulltext') {
$foundIncludeWithoutFulltext = true;
} else {
// Standard case:
$params->add('filters', "{$filt['field']},{$safeValue}");
}
}
}
}
}
}
}
}
// special cases (apply also when filter list is empty)
// newspaper articles
if (!$foundIncludeNewspapers) {
// this actually means: do *not* show newspaper articles
$params->add('filters', "ContentType,Newspaper Article,true");
}
// combined facet "with holdings/with fulltext"
if (!$foundIncludeWithoutFulltext) {
$params->set('holdings', true);
$params->add('filters', 'IsFullText,true');
} else {
$params->set('holdings', false);
}
}
/**
* Set up filters based on VuFind settings.
*
* @param ParamBag $params Parameter collection to update
*
* @return void
*/
public function createBackendFilterParameters(ParamBag $params)
{
// Which filters should be applied to our query?
$filterList = $this->getFilterList();
if (!empty($filterList)) {
$orFacets = [];
// Loop through all filters and add appropriate values to request:
foreach ($filterList as $filterArray) {
foreach ($filterArray as $filt) {
$safeValue = SummonQuery::escapeParam($filt['value']);
// Special case -- "holdings only" is a separate parameter from
// other facets.
if ($filt['field'] == 'holdingsOnly') {
$params->set('holdings', strtolower(trim($safeValue)) == 'true');
} else {
if ($filt['field'] == 'queryExpansion') {
// Special case -- "query expansion" is a separate parameter
// from other facets.
$params->set('expand', strtolower(trim($safeValue)) == 'true');
} else {
if ($filt['field'] == 'excludeNewspapers') {
// Special case -- support a checkbox for excluding
// newspapers:
$params->add('filters', "ContentType,Newspaper Article,true");
} else {
if ($range = SolrUtils::parseRange($filt['value'])) {
// Special case -- range query (translate [x TO y] syntax):
$from = SummonQuery::escapeParam($range['from']);
$to = SummonQuery::escapeParam($range['to']);
$params->add('rangeFilters', "{$filt['field']},{$from}:{$to}");
} else {
if ($filt['operator'] == 'OR') {
// Special case -- OR facets:
$orFacets[$filt['field']] = isset($orFacets[$filt['field']]) ? $orFacets[$filt['field']] : [];
$orFacets[$filt['field']][] = $safeValue;
} else {
// Standard case:
$fq = "{$filt['field']},{$safeValue}";
if ($filt['operator'] == 'NOT') {
$fq .= ',true';
}
$params->add('filters', $fq);
}
}
}
}
}
}
// Deal with OR facets:
foreach ($orFacets as $field => $values) {
$params->add('groupFilters', $field . ',or,' . implode(',', $values));
}
}
}
}
