478 lines
22 KiB
Java
478 lines
22 KiB
Java
package org.gcube.datacatalogue.grsf_manage_widget.server.manage;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.UUID;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpSession;
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import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
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import org.gcube.common.portal.PortalContext;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.datacatalogue.ckanutillibrary.server.DataCatalogue;
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import org.gcube.datacatalogue.ckanutillibrary.server.DataCatalogueFactory;
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import org.gcube.datacatalogue.ckanutillibrary.server.utils.UtilMethods;
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import org.gcube.datacatalogue.common.Constants;
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import org.gcube.datacatalogue.common.enums.Product_Type;
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import org.gcube.datacatalogue.common.enums.Sources;
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import org.gcube.datacatalogue.common.enums.Status;
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import org.gcube.datacatalogue.grsf_manage_widget.client.GRSFManageWidgetService;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.ConnectedBean;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.ManageProductBean;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.SimilarGRSFRecord;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.SourceRecord;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.ex.NoGRSFRecordException;
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import org.gcube.vomanagement.usermanagement.RoleManager;
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import org.gcube.vomanagement.usermanagement.impl.LiferayRoleManager;
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import org.gcube.vomanagement.usermanagement.model.GCubeTeam;
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import org.gcube.vomanagement.usermanagement.model.GCubeUser;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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import eu.trentorise.opendata.jackan.internal.org.apache.http.impl.client.CloseableHttpClient;
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import eu.trentorise.opendata.jackan.internal.org.apache.http.impl.client.HttpClientBuilder;
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import eu.trentorise.opendata.jackan.model.CkanDataset;
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import eu.trentorise.opendata.jackan.model.CkanPair;
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import eu.trentorise.opendata.jackan.model.CkanResource;
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/**
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* Endpoint for sending update records information to GRSF KnowledgeBase.
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* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
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*/
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public class GRSFNotificationService extends RemoteServiceServlet implements GRSFManageWidgetService{
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private static final long serialVersionUID = -4534905087994875893L;
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//private static final Log logger = LogFactoryUtil.getLog(GRSFNotificationService.class);
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private static final Logger logger = LoggerFactory.getLogger(GRSFNotificationService.class);
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/**
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* Instanciate the ckan util library.
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* Since it needs the scope, we need to check if it is null or not
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* @param discoverScope if you want to the discover the utils library in this specified scope
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* @return DataCatalogue object
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* @throws Exception
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*/
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public DataCatalogue getCatalogue(String discoverScope) throws Exception{
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String currentScope = Utils.getCurrentContext(getThreadLocalRequest(), true);
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DataCatalogue instance = null;
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try{
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String scopeInWhichDiscover = (discoverScope != null && !discoverScope.isEmpty()) ? discoverScope : currentScope;
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logger.debug("Discovering ckan utils library into scope " + scopeInWhichDiscover);
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instance = DataCatalogueFactory.getFactory().getUtilsPerScope(scopeInWhichDiscover);
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}catch(Exception e){
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logger.error("Unable to retrieve ckan utils. Error was " + e.toString());
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throw e;
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}
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return instance;
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}
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@Override
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public ManageProductBean getProductBeanById(String productIdentifier) throws Exception {
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ManageProductBean toReturn = null;
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// check into session first
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HttpSession httpSession = getThreadLocalRequest().getSession();
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String sessionProductKey = ScopeProvider.instance.get() + productIdentifier;
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if(httpSession.getAttribute(sessionProductKey) != null)
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return (ManageProductBean) httpSession.getAttribute(sessionProductKey);
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if(!Utils.isIntoPortal()){
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toReturn = new ManageProductBean();
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toReturn.setCatalogueIdentifier(UUID.randomUUID().toString());
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List<ConnectedBean> connectTo = new ArrayList<>();
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connectTo.add(new ConnectedBean(
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"91f1e413-dc9f-3b4e-b1c5-0e8560177253",
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"Stock",
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"http://data.d4science.org/ctlg/GRSF_Admin/91f1e413-dc9f-3b4e-b1c5-0e8560177253",
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"89f1e413-dc9f-3b4e-b1c5-0e8560177254",
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"Random title",
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"http://data.d4science.org/ctlg/GRSF_Admin/89f1e413-dc9f-3b4e-b1c5-0e8560177254",
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"Fishery"
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));
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toReturn.setCurrentConnections(connectTo);
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toReturn.setGrsfDomain("Stock");
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toReturn.setGrsfType("Assessment Unit");
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toReturn.setKnowledgeBaseIdentifier("91f1e413-dc9f-3b4e-b1c5-0e8560177253");
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toReturn.setShortName("Widow rockfish - US West Coast");
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toReturn.setShortNameUpdated("Widow rockfish - US West Coast");
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toReturn.setGrsfName("sebastes entomelas FAO 77 FAO 67");
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toReturn.setTraceabilityFlag(true);
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toReturn.setCurrentStatus(Status.Pending);
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toReturn.setSemanticIdentifier("asfis:WRO+fao:67;FAO");
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ArrayList<SourceRecord> sources = new ArrayList<SourceRecord>();
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sources.add(new SourceRecord("RAM", "http://www.google.it"));
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sources.add(new SourceRecord("FIRMS", "http://www.google.it"));
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sources.add(new SourceRecord("FishSource", "http://www.google.it"));
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toReturn.setSources(sources);
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List<SimilarGRSFRecord> similarGrsfRecords = new ArrayList<SimilarGRSFRecord>();
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similarGrsfRecords.add(new SimilarGRSFRecord("same species overlapping water areas",
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Utils.getDatasetKnowledgeBaseIdFromUrl("http://data.d4science.org/ctlg/GRSF_Admin/1a03d6d8-002d-39b9-9255-a954c8ee2bf0")
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,"unknown:ONCORHYNCHUS GORBUSCHA+unknown:USA-AKSTATE-KELPB",
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"Pink Salmon Kelp By (District112)",
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"http://data.d4science.org/ctlg/GRSF_Admin/1a03d6d8-002d-39b9-9255-a954c8ee2bf0"));
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similarGrsfRecords.add(new SimilarGRSFRecord("same species overlapping water areas 2",
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Utils.getDatasetKnowledgeBaseIdFromUrl("http://data.d4science.org/ctlg/GRSF_Admin/1a03d6d8-002d-39b9-9255-a954c8ee2bf0"),
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"unknown:ONCORHYNCHUS GORBUSCHA+unknown:USA-AKSTATE-KELPB",
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"Pink Salmon Kelp By (District112) 2",
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"http://data.d4science.org/ctlg/GRSF_Admin/1a03d6d8-002d-39b9-9255-a954c8ee2bf0"));
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toReturn.setSimilarGrsfRecords(similarGrsfRecords);
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}else{
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String scopePerCurrentUrl = Utils.getScopeFromClientUrl(getThreadLocalRequest());
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DataCatalogue catalogue = getCatalogue(scopePerCurrentUrl);
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String username = Utils.getCurrentUser(getThreadLocalRequest()).getUsername();
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String apiKey = catalogue.getApiKeyFromUsername(username);
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CkanDataset record = catalogue.getDataset(productIdentifier, apiKey);
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// it cannot be enabled in this case ...
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if(record == null)
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throw new Exception("Unable to retrieve information for the selected record, sorry");
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else{
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logger.debug("Trying to fetch the record....");
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// check it is a grsf record (Source records have a different System Type)
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Map<String, String> extrasAsMap = record.getExtrasAsHashMap();
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// get extras as hashmap and pairs
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List<CkanPair> extrasAsPairs = record.getExtras();
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String systemType = extrasAsMap.get(Constants.SYSTEM_TYPE_CUSTOM_KEY);
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if(systemType == null || systemType.isEmpty() || systemType.equals(Constants.SYSTEM_TYPE_FOR_SOURCES_VALUE))
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throw new NoGRSFRecordException("This is not a GRSF Record");
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boolean isStock = record.getExtrasAsHashMap().get(Constants.DOMAIN_CUSTOM_KEY).contains(Product_Type.STOCK.getOrigName());
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// fetch map for namespaces
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Map<String, String> fieldsNamespacesMap =
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Utils.getFieldToFieldNameSpaceMapping(httpSession, isStock ?
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Constants.GENERIC_RESOURCE_NAME_MAP_KEY_NAMESPACES_STOCK : Constants.GENERIC_RESOURCE_NAME_MAP_KEY_NAMESPACES_FISHERY);
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Map<String, List<String>> extrasWithoutNamespaces = Utils.replaceFieldsKey(extrasAsPairs, fieldsNamespacesMap);
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// get extras fields (wrt the mandatory ones) to show in the management panel TODO
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// Utils.getExtrasToShow();
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String catalogueIdentifier = record.getId();
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Status status = Status.fromString(extrasWithoutNamespaces.get(Constants.STATUS_OF_THE_GRSF_RECORD_CUSTOM_KEY).get(0));
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String uuidKB = extrasWithoutNamespaces.get(Constants.UUID_KB_CUSTOM_KEY).get(0);
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String grsfDomain = extrasWithoutNamespaces.get(Constants.DOMAIN_CUSTOM_KEY).get(0);
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if(status == null || uuidKB == null)
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throw new Exception("Some information is missing in this record: Status = " + status + ", knowledge base uuid = " + uuidKB +
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", and grsf domain is = " + grsfDomain);
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if(status.equals(Status.To_be_Merged) || status.equals(Status.Rejected))
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throw new Exception("Records under merging activity or rejected cannot be updated");
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String semanticId = extrasWithoutNamespaces.get(Constants.GRSF_SEMANTIC_IDENTIFIER_CUSTOM_KEY).get(0);
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String shortName = extrasWithoutNamespaces.get(Constants.SHORT_NAME_CUSTOM_KEY).get(0);
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String grsfType = extrasWithoutNamespaces.get(Constants.GRSF_TYPE_CUSTOM_KEY).get(0);
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String recordUrl = extrasWithoutNamespaces.get(Constants.ITEM_URL_FIELD).get(0);
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String grsfName = extrasWithoutNamespaces.get(grsfDomain.contains(Product_Type.STOCK.getOrigName()) ? Constants.STOCK_NAME_CUSTOM_KEY : Constants.FISHERY_NAME_CUSTOM_KEY).get(0);
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boolean traceabilityFlag = false;
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try{
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traceabilityFlag = extrasWithoutNamespaces.get(Constants.TRACEABILITY_FLAG_CUSTOM_KEY).get(0).equalsIgnoreCase("true");
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}catch(Exception e){
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logger.warn("Unable to fetch traceability flag", e);
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}
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// Get similar GRSF records, if any (each of which should have name, description, url and id(i.e semantic identifier))
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List<String> similarGrsfRecordsAsStrings = extrasWithoutNamespaces.containsKey(Constants.SIMILAR_GRSF_RECORDS_CUSTOM_KEY) ? extrasWithoutNamespaces.get(Constants.SIMILAR_GRSF_RECORDS_CUSTOM_KEY): null;
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List<SimilarGRSFRecord> similarRecords = new ArrayList<SimilarGRSFRecord>(0);
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if(similarGrsfRecordsAsStrings != null){
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for (String similarGRSFRecord : similarGrsfRecordsAsStrings) {
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if(similarGRSFRecord.equals(Constants.NO_SIMILAR_GRSF_RECORDS)) // stop here if there is a single element with this information
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break;
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similarRecords.add(Utils.similarGRSFRecordFromJson(similarGRSFRecord));
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}
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}
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logger.debug("SimilarGRSFRecords are " + similarRecords);
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// get connected records (and the proposed ones)
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List<String> connectedBeanUrls =
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extrasWithoutNamespaces.containsKey(Constants.CONNECTED_CUSTOM_KEY) ? extrasWithoutNamespaces.get(Constants.CONNECTED_CUSTOM_KEY): null;
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List<ConnectedBean> connectedBeans = new ArrayList<ConnectedBean>(0);
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if(connectedBeanUrls != null){
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for (String connectedBean : connectedBeanUrls) {
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if(connectedBean.equals(Constants.NO_CONNECTED_RECORDS)) // stop here if there is a single element with this information
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break;
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ConnectedBean builtBean = Utils.connectedBeanRecordFromUrl(recordUrl, connectedBean, uuidKB, grsfDomain, catalogue, apiKey);
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if(builtBean != null)
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connectedBeans.add(builtBean);
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}
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}
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logger.debug("Already connected records are " + connectedBeans);
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// get the connections the knowledge base suggests
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List<ConnectedBean> suggestedConnectionsByKnowledgeBase = new ArrayList<ConnectedBean>(0);
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List<String> exploitedResourcesUrls = isStock ?
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(extrasWithoutNamespaces.containsKey(Constants.EXPLOITING_FISHERY_JSON_KEY) ?
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extrasWithoutNamespaces.get(Constants.EXPLOITING_FISHERY_JSON_KEY) : null):
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(extrasWithoutNamespaces.containsKey(Constants.RESOURCES_EXPLOITED_JSON_KEY) ? extrasWithoutNamespaces.get(Constants.RESOURCES_EXPLOITED_JSON_KEY) : null);
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if(exploitedResourcesUrls != null && !exploitedResourcesUrls.isEmpty()){
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for (String exploited : exploitedResourcesUrls) {
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ConnectedBean builtBean = Utils.connectedBeanRecordFromUrl(recordUrl, exploited, uuidKB, grsfDomain, catalogue, apiKey);
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if(builtBean != null)
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suggestedConnectionsByKnowledgeBase.add(builtBean);
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}
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}
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logger.debug("Knowledge base suggests " + suggestedConnectionsByKnowledgeBase);
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// Get sources
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List<CkanResource> resources = record.getResources();
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List<SourceRecord> sources = new ArrayList<SourceRecord>(3);
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for (CkanResource ckanResource : resources) {
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if(Sources.getListNames().contains(ckanResource.getName()))
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sources.add(new SourceRecord(ckanResource.getName(), ckanResource.getUrl()));
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}
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// set the values
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toReturn = new ManageProductBean(semanticId, catalogueIdentifier, uuidKB, grsfType,
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grsfDomain, grsfName, shortName, traceabilityFlag, status, recordUrl,
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null, sources, similarRecords, connectedBeans, suggestedConnectionsByKnowledgeBase);
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}
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}
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logger.info("Returning item bean " + toReturn);
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httpSession.setAttribute(sessionProductKey, toReturn);
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return toReturn;
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}
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@Override
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public boolean isAdminUser() {
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try{
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Boolean inSession = (Boolean)getThreadLocalRequest().getSession().getAttribute(Constants.GRSF_ADMIN_SESSION_KEY);
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if(inSession != null)
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return inSession;
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else{
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boolean toSetInSession = false;
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if(!Utils.isIntoPortal()){
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toSetInSession = true;
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}else{
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PortalContext pContext = PortalContext.getConfiguration();
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RoleManager roleManager = new LiferayRoleManager();
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String username = pContext.getCurrentUser(getThreadLocalRequest()).getUsername();
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long userId = pContext.getCurrentUser(getThreadLocalRequest()).getUserId();
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long groupId = pContext.getCurrentGroupId(getThreadLocalRequest());
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List<GCubeTeam> teamRoles = roleManager.listTeamsByUserAndGroup(userId, groupId);
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toSetInSession = isEditor(username, teamRoles) | isReviewer(username, teamRoles);
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}
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getThreadLocalRequest().getSession().setAttribute(Constants.GRSF_ADMIN_SESSION_KEY, toSetInSession);
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return toSetInSession;
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}
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}catch(Exception e){
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logger.error("Failed to check if the user belongs to team " + Constants.GRSF_CATALOGUE_EDITOR_ROLE + " or " + Constants.GRSF_CATALOGUE_REVIEWER_ROLE +"!", e);
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}
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return false;
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}
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@Override
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public String notifyProductUpdate(ManageProductBean bean) throws Exception{
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logger.info("Creating notification for the bean " + bean + " to send to the knowledge base");
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try{
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String context = Utils.getScopeFromClientUrl(getThreadLocalRequest());
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String token = SecurityTokenProvider.instance.get();
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DataCatalogue catalogue = getCatalogue(context);
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String administratorFullName = Utils.getCurrentUser(getThreadLocalRequest()).getFullname();
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String username = Utils.getCurrentUser(getThreadLocalRequest()).getUsername();
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// check if the base url of the service is in session
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String keyPerContext = UtilMethods.concatenateSessionKeyScope(Constants.GRSF_UPDATER_SERVICE, context);
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HttpServletRequest threadRequest = getThreadLocalRequest();
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String baseUrl = (String)threadRequest.getSession().getAttribute(keyPerContext);
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if(baseUrl == null || baseUrl.isEmpty()){
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baseUrl = GRSFUpdaterServiceClient.discoverEndPoint(context);
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threadRequest.getSession().setAttribute(keyPerContext, baseUrl);
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}
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// remove it from the session
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String sessionProductKey = ScopeProvider.instance.get() + bean.getCatalogueIdentifier();
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threadRequest.getSession().removeAttribute(sessionProductKey);
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return Utils.updateRecord(baseUrl, bean, catalogue, username, administratorFullName, threadRequest,
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PortalContext.getConfiguration().getCurrentGroupId(threadRequest), context, token);
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}catch(Exception e){
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logger.error("Unable to update the product", e);
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throw e;
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}
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}
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@Override
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public void validateRevertOperation(String encryptedUrl) throws Exception {
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PortalContext pContext = PortalContext.getConfiguration();
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String context = Utils.getScopeFromClientUrl(getThreadLocalRequest());
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RoleManager roleManager = new LiferayRoleManager();
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GCubeUser user = pContext.getCurrentUser(getThreadLocalRequest());
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String username = user.getUsername();
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String fullName = user.getFullname();
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long userId = pContext.getCurrentUser(getThreadLocalRequest()).getUserId();
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long groupId = pContext.getCurrentGroupId(getThreadLocalRequest());
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List<GCubeTeam> teamRoles = roleManager.listTeamsByUserAndGroup(userId, groupId);
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boolean isEditor = isEditor(username, teamRoles);
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boolean isReviewer = isReviewer(username, teamRoles);
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if(!(isEditor | isReviewer))
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throw new Exception("You are not allowed to perform this operation!");
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// decrypt the url
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RevertOperationUrl decryptedUrl = new RevertOperationUrl(encryptedUrl);
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String adminInUrl = decryptedUrl.getAdmin();
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String uuid = decryptedUrl.getUuid();
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logger.info("User " + username + " has requested to invert an operation on record with id " + uuid + " and admin in url was " + adminInUrl);
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// we need to check the timestamp (it has 24h validity)
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boolean isValidTimestamp = decryptedUrl.isTimestampValid();
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if(!isValidTimestamp)
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throw new Exception("This operation can no longer be reverted (link expired)!");
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String keyPerContext = UtilMethods.concatenateSessionKeyScope(Constants.GRSF_UPDATER_SERVICE, context);
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String baseUrl = (String)getThreadLocalRequest().getSession().getAttribute(keyPerContext);
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if(baseUrl == null || baseUrl.isEmpty()){
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baseUrl = GRSFUpdaterServiceClient.discoverEndPoint(context);
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getThreadLocalRequest().getSession().setAttribute(keyPerContext, baseUrl);
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}
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if(baseUrl == null || baseUrl.isEmpty())
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throw new Exception("Unable to discover grsf-updater service!");
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// check if it is a reviewer, than he can do what he wants (no matter the admin)
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try(CloseableHttpClient httpClient = HttpClientBuilder.create().build();){
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if(isReviewer){
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GRSFUpdaterServiceClient.revertOperation(httpClient, baseUrl, fullName, uuid);
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}else{
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if(!username.equals(adminInUrl))
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throw new Exception("You are not the editor allowed to perform this operation!");
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else
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GRSFUpdaterServiceClient.revertOperation(httpClient, baseUrl, fullName, uuid);
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}
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}catch(Exception e){
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logger.error("Unable to update this Item ", e);
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throw e;
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}
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}
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/**
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* Check if the current user is an editor
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* @param username
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* @param teamRoles
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* @return true if he/she is an editor, false otherwise
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*/
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private boolean isEditor(String username, List<GCubeTeam> teamRoles){
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for (GCubeTeam team : teamRoles) {
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if(team.getTeamName().equals(Constants.GRSF_CATALOGUE_EDITOR_ROLE)){
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logger.info("User " + username + " is allowed to modify GRSF records as editor");
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return true;
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}
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}
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return false;
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}
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/**
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* Check if the current user is a reviewer
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* @param username
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* @param teamRoles
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* @return true if he/she is an reviewer, false otherwise
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*/
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private boolean isReviewer(String username, List<GCubeTeam> teamRoles){
|
|
|
|
for (GCubeTeam team : teamRoles) {
|
|
if(team.getTeamName().equals(team.getTeamName().equals(Constants.GRSF_CATALOGUE_REVIEWER_ROLE))){
|
|
logger.info("User " + username + " is allowed to modify GRSF records as reviewer");
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public String checkIdentifierExists(String id)
|
|
throws Exception {
|
|
String scopePerCurrentUrl = Utils.getScopeFromClientUrl(getThreadLocalRequest());
|
|
DataCatalogue catalogue = getCatalogue(scopePerCurrentUrl);
|
|
String username = Utils.getCurrentUser(getThreadLocalRequest()).getUsername();
|
|
CkanDataset dataset = catalogue.getDataset(id, catalogue.getApiKeyFromUsername(username));
|
|
if(dataset == null)
|
|
throw new Exception("A record with id " + id + " doesn't exist");
|
|
return dataset.getExtrasAsHashMap().get(Constants.ITEM_URL_FIELD);
|
|
}
|
|
|
|
@Override
|
|
public String checkIdentifierExistsInDomain(String id,
|
|
String domain) throws Exception {
|
|
String scopePerCurrentUrl = Utils.getScopeFromClientUrl(getThreadLocalRequest());
|
|
DataCatalogue catalogue = getCatalogue(scopePerCurrentUrl);
|
|
String username = Utils.getCurrentUser(getThreadLocalRequest()).getUsername();
|
|
CkanDataset dataset = catalogue.getDataset(id, catalogue.getApiKeyFromUsername(username));
|
|
if(dataset == null)
|
|
throw new Exception("A record with id " + id + " doesn't exist");
|
|
|
|
List<CkanPair> extrasAsPairs = dataset.getExtras();
|
|
|
|
for (CkanPair ckanPair : extrasAsPairs) {
|
|
if(ckanPair.getKey().contains(Constants.DOMAIN_CUSTOM_KEY)){
|
|
if(ckanPair.getValue().equalsIgnoreCase(domain))
|
|
return dataset.getExtrasAsHashMap().get(Constants.ITEM_URL_FIELD);
|
|
}
|
|
}
|
|
|
|
throw new Exception("A record with id " + id + " doesn't exist in domain " + domain);
|
|
}
|
|
|
|
// @Override
|
|
// public boolean checkSemanticIdentifierExists(String semanticIdentifier)
|
|
// throws Exception {
|
|
//
|
|
// return getDataset(semanticIdentifier) != null;
|
|
// }
|
|
//
|
|
// @Override
|
|
// public boolean checkSemanticIdentifierExistsInDomain(String semanticIdentifier, String domain)
|
|
// throws Exception {
|
|
// CkanDataset dataset = getDataset(semanticIdentifier);
|
|
//
|
|
// // look for the right domain this time
|
|
// List<CkanPair> extrasAsPairs = dataset.getExtras();
|
|
//
|
|
// for (CkanPair ckanPair : extrasAsPairs) {
|
|
// if(ckanPair.getKey().contains(Constants.DOMAIN_CUSTOM_KEY)){
|
|
// return ckanPair.getValue().equalsIgnoreCase(domain);
|
|
// }
|
|
// }
|
|
//
|
|
// return false;
|
|
// }
|
|
|
|
// private CkanDataset getDataset(String semanticIdentifier) throws Exception{
|
|
// String scopePerCurrentUrl = Utils.getScopeFromClientUrl(getThreadLocalRequest());
|
|
// DataCatalogue catalogue = getCatalogue(scopePerCurrentUrl);
|
|
// String username = Utils.getCurrentUser(getThreadLocalRequest()).getUsername();
|
|
// CkanDataset dataset = Utils.getRecordBySemanticIdentifier(semanticIdentifier, catalogue, catalogue.getApiKeyFromUsername(username));
|
|
// return dataset;
|
|
// }
|
|
|
|
}
|