package io.lumify.web.routes.vertex;
import com.google.inject.Inject;
import io.lumify.core.config.Configuration;
import io.lumify.core.exception.LumifyAccessDeniedException;
import io.lumify.core.exception.LumifyException;
import io.lumify.core.model.user.UserRepository;
import io.lumify.core.model.workspace.WorkspaceRepository;
import io.lumify.core.user.User;
import io.lumify.core.util.ClientApiConverter;
import io.lumify.miniweb.HandlerChain;
import io.lumify.web.BaseRequestHandler;
import io.lumify.web.clientapi.model.ClientApiVertexMultipleResponse;
import org.securegraph.Authorizations;
import org.securegraph.Graph;
import org.securegraph.Vertex;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Arrays;
import java.util.HashSet;
import static org.securegraph.util.IterableUtils.toIterable;
public class VertexMultiple extends BaseRequestHandler {
private final Graph graph;
@Inject
public VertexMultiple(
final Graph graph,
final UserRepository userRepository,
final WorkspaceRepository workspaceRepository,
final Configuration configuration) {
super(userRepository, workspaceRepository, configuration);
this.graph = graph;
}
@Override
public void handle(HttpServletRequest request, HttpServletResponse response, HandlerChain chain) throws Exception {
HashSet<String> vertexStringIds = new HashSet<String>(Arrays.asList(getRequiredParameterArray(request, "vertexIds[]")));
boolean fallbackToPublic = getOptionalParameterBoolean(request, "fallbackToPublic", false);
User user = getUser(request);
GetAuthorizationsResult getAuthorizationsResult = getAuthorizations(request, fallbackToPublic, user);
String workspaceId = getWorkspaceId(request);
Iterable<String> vertexIds = toIterable(vertexStringIds.toArray(new String[vertexStringIds.size()]));
Iterable<Vertex> graphVertices = graph.getVertices(vertexIds, getAuthorizationsResult.authorizations);
ClientApiVertexMultipleResponse result = new ClientApiVertexMultipleResponse();
result.setRequiredFallback(getAuthorizationsResult.requiredFallback);
for (Vertex v : graphVertices) {
result.getVertices().add(ClientApiConverter.toClientApiVertex(v, workspaceId, getAuthorizationsResult.authorizations));
}
respondWithClientApiObject(response, result);
}
private GetAuthorizationsResult getAuthorizations(HttpServletRequest request, boolean fallbackToPublic, User user) {
GetAuthorizationsResult result = new GetAuthorizationsResult();
result.requiredFallback = false;
try {
result.authorizations = getAuthorizations(request, user);
} catch (LumifyAccessDeniedException ex) {
if (fallbackToPublic) {
result.authorizations = getUserRepository().getAuthorizations(user);
result.requiredFallback = true;
} else {
throw ex;
}
}
return result;
}
private String getWorkspaceId(HttpServletRequest request) {
String workspaceId;
try {
workspaceId = getActiveWorkspaceId(request);
} catch (LumifyException ex) {
workspaceId = null;
}
return workspaceId;
}
private static class GetAuthorizationsResult {
public Authorizations authorizations;
public boolean requiredFallback;
}
}