package de.spinscale.elasticsearch.rest.action.suggest;
import de.spinscale.elasticsearch.action.suggest.suggest.SuggestAction;
import de.spinscale.elasticsearch.action.suggest.suggest.SuggestRequest;
import de.spinscale.elasticsearch.action.suggest.suggest.SuggestResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.support.XContentMapValues;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestToXContentListener;
import java.io.IOException;
import java.util.Map;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestRequest.Method.POST;
import static org.elasticsearch.rest.RestStatus.BAD_REQUEST;
public class RestSuggestAction extends BaseRestHandler {
@Inject
public RestSuggestAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(GET, "/{index}/__suggest", this);
controller.registerHandler(GET, "/{index}/{type}/__suggest", this);
controller.registerHandler(POST, "/{index}/__suggest", this);
controller.registerHandler(POST, "/{index}/{type}/__suggest", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, Client client) {
final String[] indices = Strings.splitStringByCommaToArray(request.param("index"));
try {
Map<String, Object> parserMap = null;
if (request.hasContent()) {
XContentParser parser = XContentFactory.xContent(request.content()).createParser(request.content());
parserMap = parser.mapAndClose();
} else if (request.hasParam("source")) {
String source = request.param("source");
XContentParser parser = XContentFactory.xContent(source).createParser(source);
parserMap = parser.mapAndClose();
} else {
channel.sendResponse(new BytesRestResponse(BAD_REQUEST, "Please provide body data or source parameter"));
}
SuggestRequest suggestRequest = new SuggestRequest(indices);
suggestRequest.field(XContentMapValues.nodeStringValue(parserMap.get("field"), ""));
suggestRequest.suggestType(XContentMapValues.nodeStringValue(parserMap.get("type"), ""));
if (parserMap.containsKey("analyzer")) {
suggestRequest.indexAnalyzer(XContentMapValues.nodeStringValue(parserMap.get("analyzer"), ""));
suggestRequest.queryAnalyzer(XContentMapValues.nodeStringValue(parserMap.get("analyzer"), ""));
} else {
suggestRequest.indexAnalyzer(XContentMapValues.nodeStringValue(parserMap.get("indexAnalyzer"), ""));
suggestRequest.queryAnalyzer(XContentMapValues.nodeStringValue(parserMap.get("queryAnalyzer"), ""));
}
suggestRequest.term(XContentMapValues.nodeStringValue(parserMap.get("term"), ""));
suggestRequest.similarity(XContentMapValues.nodeFloatValue(parserMap.get("similarity"), 1.0f));
suggestRequest.size(XContentMapValues.nodeIntegerValue(parserMap.get("size"), 10));
client.execute(SuggestAction.INSTANCE, suggestRequest, new RestToXContentListener<SuggestResponse>(channel));
} catch (IOException e) {
try {
channel.sendResponse(new BytesRestResponse(channel, RestStatus.BAD_REQUEST, e));
} catch (IOException e1) {
logger.error("Failed to send failure response", e1);
}
}
}
}