Examples with Filter org.hippoecm.hst.content.beans.query.filter.Filter used on opensource projects

Example 16 with Filter

use of org.hippoecm.hst.content.beans.query.filter.Filter in project hippo by NHS-digital-website.

the class EventsComponent method addIntervalFilter.

/**
 * This method is creating an xpath query that will be appended to the query produced by the EssentialListComponent.
 * The main goal of this component is to query the interval compound and NOT the event documents: for this reason
 * we need to customize the query manually to have this behavior
 *
 * @param request neeeded to build the new query
 * @return String containing the query for the interval compound
 */
protected String addIntervalFilter(final HstRequest request) {
    final EssentialsEventsComponentInfo paramInfo = getComponentParametersInfo(request);
    final String dateField = paramInfo.getDocumentDateField();
    if (!Strings.isNullOrEmpty(dateField)) {
        // filter list containing dates contraints
        try {
            HstQueryBuilder hstQueryBuider = HstQueryBuilder.create(request.getRequestContext().getSiteContentBaseBean());
            hstQueryBuider.ofTypes("website:interval");
            HstQuery hstQuery = hstQueryBuider.build();
            List<BaseFilter> filters = new ArrayList<>();
            // adding the interval date range constraint
            addIntervalConstraint(filters, hstQuery, dateField, request);
            final Filter queryFilter = createQueryFilter(request, hstQuery);
            if (queryFilter != null) {
                filters.add(queryFilter);
            }
            // appling the filters on the hstQuery object
            applyAndFilters(hstQuery, filters);
            // Apply sort
            if (paramInfo.getHidePastEvents()) {
                hstQuery.addOrderByAscending(dateField);
            } else {
                // past events sorted descending order by date, most recent first
                hstQuery.addOrderByDescending(dateField);
            }
            // removing existing filters the query, since it shouldn't include path, availability and query constraint
            String intervalQueryString = hstQuery.getQueryAsString(true).replaceAll("\\(@hippo:paths='[^']*'\\)( and)?", "");
            intervalQueryString = intervalQueryString.replaceAll("\\(@hippo:availability='[^']*'\\)( and)?", "");
            intervalQueryString = intervalQueryString.replaceAll("not\\(@jcr:primaryType='nt:frozenNode'\\)( and)?", "");
            // removing the first slash, since the string must be appended to an existing xpath query
            return intervalQueryString.substring(1, intervalQueryString.length());
        } catch (FilterException filterException) {
            log.warn("Exceptions while adding event date range filter {} ", filterException);
        } catch (QueryException queryException) {
            log.warn("Exceptions while getting the string representation of the query {} ", queryException);
        }
    }
    return "";
}

Example 17 with Filter

use of org.hippoecm.hst.content.beans.query.filter.Filter in project hippo by NHS-digital-website.

the class EventsComponent method contributeAndFilters.

@Override
protected void contributeAndFilters(final List<BaseFilter> filters, final HstRequest request, final HstQuery query) {
    // filter's documents such that the website:display is set to true
    try {
        Filter filter = query.createFilter();
        filter.addEqualTo("website:display", true);
        filters.add(filter);
    } catch (FilterException var7) {
        log.error("An exception occurred while trying to create a query filter showing document with display field on : {}", var7);
    }
    // fetching the selected types from the request
    String[] selectedTypes = getSelectedTypes(request);
    if (selectedTypes.length > 0) {
        final Filter filter = query.createFilter();
        for (String type : selectedTypes) {
            try {
                filter.addEqualTo("@website:type", type);
            } catch (FilterException filterException) {
                log.warn("Errors while adding event type filter {}", filterException);
            }
        }
        filters.add(filter);
    }
}