Search suggestion is enabled even without full search terms

[archiloque]

In com.sismics.docs.core.util.indexing.LuceneIndexingHandler#findByCriteria I found this code:

        if (!Strings.isNullOrEmpty(criteria.getSimpleSearch()) || !Strings.isNullOrEmpty(criteria.getFullSearch())) {
            // …
            suggestSearchTerms(criteria.getFullSearch(), suggestionList);
        }

It means that if criteria.getSimpleSearch() is filled and criteria.getFullSearch() is null, suggestSearchTerms is called with a null parameter. It feels wrong => in this case should the suggestion search be skipped ?

[jendib]

You are right, suggestSearchTerms should only be called with a non null "search" parameter, otherwise it will throw NPE inside. Could you do a PR please?

[archiloque]

Thanks, I'll do a PR after #722 is merged to avoid any conflict risk