sdi-service/src/main/java/org/gcube/spatial/data/sdi/rest/GeoNetwork.java

package org.gcube.spatial.data.sdi.rest;

import java.util.Collection;

import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response.Status;

import org.gcube.spatial.data.geonetwork.GeoNetworkAdministration;
import org.gcube.spatial.data.geonetwork.LoginLevel;
import org.gcube.spatial.data.geonetwork.model.Group;
import org.gcube.spatial.data.geonetwork.model.ScopeConfiguration;
import org.gcube.spatial.data.geonetwork.model.faults.AuthorizationException;
import org.gcube.spatial.data.geonetwork.model.faults.MissingConfigurationException;
import org.gcube.spatial.data.geonetwork.model.faults.MissingServiceEndpointException;
import org.gcube.spatial.data.geonetwork.utils.ScopeUtils;
import org.gcube.spatial.data.sdi.Constants;
import org.gcube.spatial.data.sdi.engine.GeoNetworkProvider;
import org.gcube.spatial.data.sdi.engine.impl.faults.ClientInitializationException;

import io.swagger.annotations.Api;
import it.geosolutions.geonetwork.exception.GNLibException;
import it.geosolutions.geonetwork.exception.GNServerException;
import lombok.extern.slf4j.Slf4j;

@Slf4j
@Path(Constants.GEONETWORK_INTERFACE)
@Api(value="GeoNetwork")
public class GeoNetwork {

	@Inject
	GeoNetworkProvider geonetworkProvider;
	
	
	@GET
	@Path(Constants.GEONETWORK_CONFIGURATION_PATH)
	@Produces(MediaType.APPLICATION_JSON)
	public ScopeConfiguration getConfiguration(){
		try {
			return geonetworkProvider.getGeoNetwork().getConfiguration().getScopeConfiguration();
		} catch (MissingConfigurationException | MissingServiceEndpointException e) {
			log.warn("Unable to get GeoNetwork configuration. Current scope is {} ",ScopeUtils.getCurrentScope(),e);
			throw new WebApplicationException("Scope is not well configured. Please contact administrator.", e, Status.PRECONDITION_FAILED);
		} catch (ClientInitializationException e) {
			log.warn("Unable to get GN Client",e);
			throw new WebApplicationException("Internal Error. Please contact administrator.", e, Status.INTERNAL_SERVER_ERROR);
		}
	}
	
	@GET
	@Path(Constants.GEONETWORK_GROUPS_PATH)
	@Produces(MediaType.APPLICATION_JSON)
	public Collection<Group> getGroups(){
		try {
			GeoNetworkAdministration admin=geonetworkProvider.getGeoNetwork();
			admin.login(LoginLevel.ADMIN);
			return admin.getGroups();
		} catch (MissingConfigurationException | MissingServiceEndpointException e) {
			log.warn("Unable to get GeoNetwork configuration. Current scope is {} ",ScopeUtils.getCurrentScope(),e);
			throw new WebApplicationException("Scope is not well configured. Please contact administrator.", e, Status.PRECONDITION_FAILED);
		} catch (AuthorizationException e) {
			log.warn("Unable to use Admin rights.",e);
			throw new WebApplicationException("Unable to use Admin rights on GeoNetwork. Please contact administrator.", e, Status.INTERNAL_SERVER_ERROR);
		} catch (GNLibException e) {
			log.warn("Internal library exception.",e);
			throw new WebApplicationException("Internal library exception.", e, Status.INTERNAL_SERVER_ERROR);
		} catch (GNServerException e) {
			log.warn("GeoNEtwork service exception.",e);
			throw new WebApplicationException("GeoNetwork service exception.", e, Status.INTERNAL_SERVER_ERROR);
		} catch (ClientInitializationException e) {
			log.warn("Unable to get GN Client",e);
			throw new WebApplicationException("Internal Error. Please contact administrator.", e, Status.INTERNAL_SERVER_ERROR);
		}
	}
	
	
	
	
}