!7

sclass SearchResult {
  S snippetID;
  S title;
  int occurrences;
  
  sS _fieldOrder = "snippetID title occurrences";
}

cmodule FullTextSnippetSearch > DynTableWithInput2<SearchResult> {
  switchable int maxResults = 1000;
  transient S status;
  
  JComponent mainComponent() {
    ret northAndCenterWithMargin(dm_rightAlignedLabel status(), super.mainComponent());
  }
  
  start {
    dontPersist();
  }
  
  void calc {
    S query = upper(input);
    
    S index = dm_require("#1028972/SnippetsWordIndex");
    Cl<S> preSnippetIDs = cast dm_call(index, 'snippetsContainingTextIC_preSearch, query);
    print("Pre-search: " + (preSnippetIDs == null ? "-" : lstr(preSnippetIDs)));
    
    S mod = dm_require("#1028945/CacheAllSnippets");
    SS data = cast dm_rcall getData(mod);
    SS titles = cast dm_rcall getTitles(mod);
    new L<SearchResult> out;
    if (preSnippetIDs == null) preSnippetIDs = keys(data);
    if (nempty(query)) {
      time "Full-Text Search" {
        fOr ping (S snippetID : preSnippetIDs) {
          S text = data.get(snippetID);
          S title = titles.get(snippetID);
          int n = 
            countOccurrencesIC(title, query)
            + countOccurrences_optimizedForZero(text, query);
          if (n > 0) {
            new SearchResult r;
            r.snippetID = snippetID;
            r.title = title;
            r.occurrences = n;
            out.add(r);
            if (l(out) >= maxResults) break;
          }
        }
      }
    }
    sortInPlaceByCalculatedFieldDesc(out, r -> r.occurrences);
    setField(status := empty(query) ? " " : "Found " + addPlusToCount(maxResults, l(out), nSnippets(out) + " in " + lastTiming() + " ms");
    setList(out);
  }
}