Examples with ZuliaIndexManager io.zulia.server.index.ZuliaIndexManager used on opensource projects

Example 11 with ZuliaIndexManager

use of io.zulia.server.index.ZuliaIndexManager in project zuliasearch by zuliaio.

the class QueryController method get.

@Get
@Produces({ MediaType.APPLICATION_JSON + ";charset=utf-8", MediaType.TEXT_PLAIN + ";charset=utf-8" })
public HttpResponse<?> get(@QueryValue(ZuliaConstants.INDEX) List<String> indexName, @QueryValue(value = ZuliaConstants.QUERY, defaultValue = "*:*") String query, @Nullable @QueryValue(ZuliaConstants.QUERY_FIELD) List<String> queryFields, @Nullable @QueryValue(ZuliaConstants.FILTER_QUERY) List<String> filterQueries, @Nullable @QueryValue(ZuliaConstants.QUERY_JSON) List<String> queryJsonList, @Nullable @QueryValue(ZuliaConstants.FIELDS) List<String> fields, @QueryValue(value = ZuliaConstants.FETCH, defaultValue = "true") Boolean fetch, @QueryValue(value = ZuliaConstants.ROWS, defaultValue = "0") Integer rows, @Nullable @QueryValue(ZuliaConstants.FACET) List<String> facet, @Nullable @QueryValue(ZuliaConstants.DRILL_DOWN) List<String> drillDowns, @Nullable @QueryValue(ZuliaConstants.DEFAULT_OP) String defaultOperator, @Nullable @QueryValue(ZuliaConstants.SORT) List<String> sort, @QueryValue(value = ZuliaConstants.PRETTY, defaultValue = "true") Boolean pretty, @Nullable @QueryValue(value = ZuliaConstants.DISMAX, defaultValue = "false") Boolean dismax, @Nullable @QueryValue(ZuliaConstants.DISMAX_TIE) Float dismaxTie, @Nullable @QueryValue(ZuliaConstants.MIN_MATCH) Integer mm, @Nullable @QueryValue(ZuliaConstants.SIMILARITY) List<String> similarity, @QueryValue(value = ZuliaConstants.DEBUG, defaultValue = "false") Boolean debug, @QueryValue(value = ZuliaConstants.DONT_CACHE, defaultValue = "true") Boolean dontCache, @Nullable @QueryValue(ZuliaConstants.START) Integer start, @Nullable @QueryValue(ZuliaConstants.HIGHLIGHT) List<String> highlightList, @Nullable @QueryValue(ZuliaConstants.HIGHLIGHT_JSON) List<String> highlightJsonList, @Nullable @QueryValue(ZuliaConstants.ANALYZE_JSON) List<String> analyzeJsonList, @QueryValue(value = ZuliaConstants.FORMAT, defaultValue = "json") String format, @QueryValue(value = ZuliaConstants.BATCH, defaultValue = "false") Boolean batch, @QueryValue(value = ZuliaConstants.BATCH_SIZE, defaultValue = "500") Integer batchSize, @Nullable @QueryValue(ZuliaConstants.CURSOR) String cursor, @QueryValue(value = ZuliaConstants.TRUNCATE, defaultValue = "false") Boolean truncate) {
    ZuliaIndexManager indexManager = ZuliaNodeProvider.getZuliaNode().getIndexManager();
    QueryRequest.Builder qrBuilder = QueryRequest.newBuilder().addAllIndex(indexName);
    try {
        boolean outputCursor = false;
        if (cursor != null) {
            if (!cursor.equals("0")) {
                qrBuilder.setLastResult(CursorHelper.getLastResultFromCursor(cursor));
            }
            outputCursor = true;
            if (sort == null || sort.isEmpty()) {
                return HttpResponse.created("Sort on unique value or value combination is required to use a cursor (i.e. id or title,id)").status(ZuliaConstants.INTERNAL_ERROR);
            }
        }
        if (debug != null) {
            qrBuilder.setDebug(debug);
        }
        if (start != null) {
            qrBuilder.setStart(start);
        }
        if (dontCache != null) {
            qrBuilder.setDontCache(dontCache);
        }
        Query.Builder mainQueryBuilder = Query.newBuilder();
        if (query != null) {
            mainQueryBuilder.setQ(query);
        }
        if (mm != null) {
            mainQueryBuilder.setMm(mm);
        }
        if (dismax != null) {
            mainQueryBuilder.setDismax(dismax);
            if (dismaxTie != null) {
                mainQueryBuilder.setDismaxTie(dismaxTie);
            }
        }
        if (queryFields != null) {
            mainQueryBuilder.addAllQf(queryFields);
        }
        if (defaultOperator != null) {
            if (defaultOperator.equalsIgnoreCase("AND")) {
                mainQueryBuilder.setDefaultOp(Query.Operator.AND);
            } else if (defaultOperator.equalsIgnoreCase("OR")) {
                mainQueryBuilder.setDefaultOp(Query.Operator.OR);
            } else {
                HttpResponse.created("Invalid default operator <" + defaultOperator + ">").status(ZuliaConstants.INTERNAL_ERROR);
            }
        }
        mainQueryBuilder.setQueryType(Query.QueryType.SCORE_MUST);
        qrBuilder.addQuery(mainQueryBuilder);
        if (similarity != null) {
            for (String sim : similarity) {
                if (sim.contains(":")) {
                    int i = sim.indexOf(":");
                    String field = sim.substring(0, i);
                    String simType = sim.substring(i + 1);
                    FieldSimilarity.Builder fieldSimilarity = FieldSimilarity.newBuilder();
                    fieldSimilarity.setField(field);
                    if (simType.equalsIgnoreCase("bm25")) {
                        fieldSimilarity.setSimilarity(Similarity.BM25);
                    } else if (simType.equalsIgnoreCase("constant")) {
                        fieldSimilarity.setSimilarity(Similarity.CONSTANT);
                    } else if (simType.equalsIgnoreCase("tf")) {
                        fieldSimilarity.setSimilarity(Similarity.TF);
                    } else if (simType.equalsIgnoreCase("tfidf")) {
                        fieldSimilarity.setSimilarity(Similarity.TFIDF);
                    } else {
                        HttpResponse.created("Unknown similarity type <" + simType + ">").status(ZuliaConstants.INTERNAL_ERROR);
                    }
                    qrBuilder.addFieldSimilarity(fieldSimilarity);
                } else {
                    HttpResponse.created("Similarity <" + sim + "> should be in the form field:simType").status(ZuliaConstants.INTERNAL_ERROR);
                }
            }
        }
        if (filterQueries != null) {
            for (String filterQuery : filterQueries) {
                Query filterQueryBuilder = Query.newBuilder().setQ(filterQuery).setQueryType(Query.QueryType.FILTER).build();
                qrBuilder.addQuery(filterQueryBuilder);
            }
        }
        if (queryJsonList != null) {
            for (String queryJson : queryJsonList) {
                try {
                    Query.Builder subQueryBuilder = Query.newBuilder();
                    JsonFormat.parser().merge(queryJson, subQueryBuilder);
                    qrBuilder.addQuery(subQueryBuilder);
                } catch (InvalidProtocolBufferException e) {
                    return HttpResponse.created("Failed to parse query json: " + e.getClass().getSimpleName() + ":" + e.getMessage()).status(ZuliaConstants.INTERNAL_ERROR);
                }
            }
        }
        if (highlightList != null) {
            for (String hl : highlightList) {
                HighlightRequest highlightRequest = HighlightRequest.newBuilder().setField(hl).build();
                qrBuilder.addHighlightRequest(highlightRequest);
            }
        }
        if (highlightJsonList != null) {
            for (String hlJson : highlightJsonList) {
                try {
                    HighlightRequest.Builder hlBuilder = HighlightRequest.newBuilder();
                    JsonFormat.parser().merge(hlJson, hlBuilder);
                    qrBuilder.addHighlightRequest(hlBuilder);
                } catch (InvalidProtocolBufferException e) {
                    return HttpResponse.created("Failed to parse highlight json: " + e.getClass().getSimpleName() + ":" + e.getMessage()).status(ZuliaConstants.INTERNAL_ERROR);
                }
            }
        }
        if (analyzeJsonList != null) {
            for (String alJson : analyzeJsonList) {
                try {
                    AnalysisRequest.Builder analyzeRequestBuilder = AnalysisRequest.newBuilder();
                    JsonFormat.parser().merge(alJson, analyzeRequestBuilder);
                    qrBuilder.addAnalysisRequest(analyzeRequestBuilder);
                } catch (InvalidProtocolBufferException e) {
                    return HttpResponse.created("Failed to parse analyzer json: " + e.getClass().getSimpleName() + ":" + e.getMessage()).status(ZuliaConstants.INTERNAL_ERROR);
                }
            }
        }
        if (fields != null) {
            for (String field : fields) {
                if (field.startsWith("-")) {
                    qrBuilder.addDocumentMaskedFields(field.substring(1));
                } else {
                    qrBuilder.addDocumentFields(field);
                }
            }
        }
        qrBuilder.setResultFetchType(FetchType.FULL);
        if (fetch != null && !fetch) {
            qrBuilder.setResultFetchType(FetchType.NONE);
        }
        FacetRequest.Builder frBuilder = FacetRequest.newBuilder();
        if (facet != null) {
            for (String f : facet) {
                Integer count = null;
                if (f.contains(":")) {
                    String countString = f.substring(f.indexOf(":") + 1);
                    f = f.substring(0, f.indexOf(":"));
                    try {
                        count = Integer.parseInt(countString);
                    } catch (Exception e) {
                        return HttpResponse.created("Invalid facet count <" + countString + "> for facet <" + f + ">").status(ZuliaConstants.INTERNAL_ERROR);
                    }
                }
                CountRequest.Builder countBuilder = CountRequest.newBuilder();
                Facet zuliaFacet = Facet.newBuilder().setLabel(f).build();
                CountRequest.Builder facetBuilder = countBuilder.setFacetField(zuliaFacet);
                if (count != null) {
                    facetBuilder.setMaxFacets(count);
                }
                frBuilder.addCountRequest(facetBuilder);
            }
        }
        if (drillDowns != null) {
            for (String drillDown : drillDowns) {
                if (drillDown.contains(":")) {
                    String value = drillDown.substring(drillDown.indexOf(":") + 1);
                    String field = drillDown.substring(0, drillDown.indexOf(":"));
                    frBuilder.addDrillDown(Facet.newBuilder().setLabel(field).setValue(value));
                }
            }
        }
        qrBuilder.setFacetRequest(frBuilder);
        if (sort != null) {
            SortRequest.Builder sortRequest = SortRequest.newBuilder();
            for (String sortField : sort) {
                FieldSort.Builder fieldSort = FieldSort.newBuilder();
                if (sortField.contains(":")) {
                    String sortDir = sortField.substring(sortField.indexOf(":") + 1);
                    sortField = sortField.substring(0, sortField.indexOf(":"));
                    if ("-1".equals(sortDir) || "DESC".equalsIgnoreCase(sortDir)) {
                        fieldSort.setDirection(FieldSort.Direction.DESCENDING);
                    } else if ("1".equals(sortDir) || "ASC".equalsIgnoreCase(sortDir)) {
                        fieldSort.setDirection(FieldSort.Direction.ASCENDING);
                    } else {
                        return HttpResponse.created("Invalid sort direction <" + sortDir + "> for field <" + sortField + ">.  Expecting -1/1 or DESC/ASC").status(ZuliaConstants.INTERNAL_ERROR);
                    }
                }
                fieldSort.setSortField(sortField);
                sortRequest.addFieldSort(fieldSort);
            }
            qrBuilder.setSortRequest(sortRequest);
        }
        qrBuilder.setAmount(rows);
        if (format.equals("json")) {
            QueryResponse qr = indexManager.query(qrBuilder.build());
            String response = getStandardResponse(qr, !pretty, outputCursor, truncate);
            if (pretty) {
                response = JsonWriter.formatJson(response);
            }
            return HttpResponse.ok(response).status(ZuliaConstants.SUCCESS).contentType(MediaType.APPLICATION_JSON_TYPE);
        } else {
            if (fields != null && !fields.isEmpty()) {
                if (batch) {
                    qrBuilder.setAmount(batchSize);
                    Writable writable = output -> {
                        try {
                            QueryResponse qr = indexManager.query(qrBuilder.build());
                            String header = buildHeaderForCSV(fields);
                            output.write(header);
                            output.flush();
                            int count = 0;
                            while (qr.getResultsList().size() > 0) {
                                for (ScoredResult scoredResult : qr.getResultsList()) {
                                    Document doc = ResultHelper.getDocumentFromScoredResult(scoredResult);
                                    appendDocument(fields, null, output, doc);
                                    count++;
                                    if (count % 1000 == 0) {
                                        LOG.info("Docs processed so far: " + count);
                                    }
                                }
                                qrBuilder.setLastResult(qr.getLastResult());
                                qr = indexManager.query(qrBuilder.build());
                            }
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    };
                    LocalDateTime now = LocalDateTime.now();
                    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd-H-mm-ss");
                    return HttpResponse.ok(writable).status(ZuliaConstants.SUCCESS).header("content-disposition", "attachment; filename = " + "zuliaDownload_" + now.format(formatter) + ".csv").contentType(MediaType.APPLICATION_OCTET_STREAM);
                } else {
                    QueryResponse qr = indexManager.query(qrBuilder.build());
                    String response = getCSVDocumentResponse(fields, qr);
                    return HttpResponse.ok(response).status(ZuliaConstants.SUCCESS).contentType(MediaType.TEXT_PLAIN + ";charset=utf-8");
                }
            } else if (facet != null && !facet.isEmpty() && rows == 0) {
                QueryResponse qr = indexManager.query(qrBuilder.build());
                StringBuilder response = new StringBuilder();
                response.append("facetName,facetKey,facetValue\n");
                for (FacetGroup facetGroup : qr.getFacetGroupList()) {
                    for (FacetCount facetCount : facetGroup.getFacetCountList()) {
                        response.append(facetGroup.getCountRequest().getFacetField().getLabel());
                        response.append(",");
                        response.append("\"").append(facetCount.getFacet()).append("\"");
                        response.append(",");
                        response.append(Long.valueOf(facetCount.getCount()));
                        response.append("\n");
                    }
                }
                return HttpResponse.ok(response.toString()).status(ZuliaConstants.SUCCESS).contentType(MediaType.TEXT_PLAIN + ";charset=utf-8");
            } else {
                return HttpResponse.ok("Please specify fields to be exported i.e. fl=title&fl=abstract or the facets to be exported i.e. facet=issn&facet=pubYear&rows=0").status(ZuliaConstants.SUCCESS).contentType(MediaType.TEXT_PLAIN + ";charset=utf-8");
            }
        }
    } catch (Exception e) {
        LOG.log(Level.SEVERE, e.getMessage(), e);
        return HttpResponse.serverError(e.getClass().getSimpleName() + ":" + e.getMessage()).status(ZuliaConstants.INTERNAL_ERROR);
    }
}