543 lines
20 KiB
Java
543 lines
20 KiB
Java
package org.gcube.data_catalogue.grsf_publish_ws.services;
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import java.beans.PropertyDescriptor;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import javax.servlet.ServletContext;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.CkanResource;
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import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.CustomField;
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import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.Group;
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import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.Tag;
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import org.gcube.data_catalogue.grsf_publish_ws.json.input.Base;
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import org.gcube.data_catalogue.grsf_publish_ws.json.input.Common;
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import org.gcube.data_catalogue.grsf_publish_ws.json.input.FisheryRecord;
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import org.gcube.data_catalogue.grsf_publish_ws.json.input.RefersToBean;
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import org.gcube.data_catalogue.grsf_publish_ws.json.input.Resource;
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import org.gcube.data_catalogue.grsf_publish_ws.json.input.StockRecord;
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import org.gcube.data_catalogue.grsf_publish_ws.json.input.TimeSeriesBean;
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import org.gcube.data_catalogue.grsf_publish_ws.json.output.ResponseCreationBean;
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import org.gcube.data_catalogue.grsf_publish_ws.utils.HelperMethods;
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import org.gcube.data_catalogue.grsf_publish_ws.utils.groups.Product_Type;
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import org.gcube.data_catalogue.grsf_publish_ws.utils.groups.Sources;
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import org.gcube.data_catalogue.grsf_publish_ws.utils.groups.Status;
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import org.gcube.data_catalogue.grsf_publish_ws.utils.threads.AssociationToGroupThread;
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import org.gcube.data_catalogue.grsf_publish_ws.utils.threads.ManageTimeSeriesThread;
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import org.gcube.data_catalogue.grsf_publish_ws.utils.threads.WritePostCatalogueManagerThread;
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import org.gcube.datacatalogue.ckanutillibrary.server.DataCatalogue;
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import org.gcube.datacatalogue.ckanutillibrary.shared.ResourceBean;
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import org.gcube.datacatalogue.ckanutillibrary.shared.RolesCkanGroupOrOrg;
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import org.slf4j.LoggerFactory;
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/**
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* Services common utils.
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* @author Costantino Perciante at ISTI-CNR
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*/
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@SuppressWarnings({"rawtypes", "unchecked"})
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public class CommonServiceUtils {
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private static final org.slf4j.Logger logger = LoggerFactory.getLogger(CommonServiceUtils.class);
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public static final String DEFAULT_LICENSE = "CC-BY-SA-4.0";
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//public static final String GRSF_GROUP_NAME = "grsf-group";
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private static final int TIME_SERIES_TAKE_LAST_VALUES = 5;
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private static final String REGEX_TAGS = "[^\\s\\w-_.]";
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public static final String SYSTEM_TYPE = "system:type";
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// item url property
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public static final String ITEM_URL_FIELD = "GRSF Record URL";
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/**
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* Retrieve the list of licenses for stocks and fisheries
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* @return
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*/
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public static Map<String, String> getLicenses(){
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Map<String, String> licenses = null;
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try{
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logger.info("Requested licenses...");
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licenses = HelperMethods.getLicenses(HelperMethods.getDataCatalogueRunningInstance(ScopeProvider.instance.get()));
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}catch(Exception e){
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logger.error("Failed to retrieve the list of licenses");
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return null;
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}
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return licenses;
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}
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/**
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* Validate an aggregated GRSF record. TODO use @Valid tags
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* @throws Exception
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*/
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public static void validateAggregatedRecord(Common record) throws Exception {
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List<RefersToBean> refersToList = record.getRefersTo();
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String shortTitle = record.getShortTitle();
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Boolean traceabilityFlag = record.isTraceabilityFlag();
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Status status = record.getStatus();
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if(refersToList == null || refersToList.isEmpty())
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throw new Exception("refers_to cannot be null/empty");
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if(traceabilityFlag == null)
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throw new Exception("traceability_flag cannot be null");
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if(shortTitle == null || shortTitle.isEmpty())
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throw new Exception("short_title cannot be null/empty");
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if(status == null)
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throw new Exception("status cannot be null/empty");
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// check if it is a stock and perform related checks
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if(record.getClass().equals(StockRecord.class)){
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StockRecord stock = (StockRecord) record;
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List<String> species = stock.getSpecies();
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if(species == null || species.isEmpty())
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throw new Exception("species cannot be null/empty in a GRSF record");
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}
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// check if it is a stock and perform related checks
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if(record.getClass().equals(FisheryRecord.class)){
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FisheryRecord fishery = (FisheryRecord) record;
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List<String> fishingArea = fishery.getFishingArea();
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List<String> jurisdictionArea = fishery.getJurisdictionArea();
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if((fishingArea == null || fishingArea.isEmpty()) && (jurisdictionArea == null || jurisdictionArea.isEmpty()))
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throw new Exception("fishing_area and jurisdiction_area cannot be null/empty at the same time!");
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}
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}
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/**
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* Parse the record to look up tags, groups and resources
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* @param tags
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* @param skipTags
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* @param groups
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* @param skipGroups
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* @param resources
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* @param skipResources
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* @param extras
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* @param record
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* @param username
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* @param source
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*/
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public static void getTagsGroupsResourcesExtrasByRecord(
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Set<String> tags,
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boolean skipTags,
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Set<String> groups,
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boolean skipGroups,
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List<ResourceBean> resources,
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boolean skipResources,
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Map<String, List<String>> extras,
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Base record,
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String username,
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Sources source // it comes from the source type e.g., "grsf-", "ram-" ..
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){
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Class<?> current = record.getClass();
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do{
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Field[] fields = current.getDeclaredFields();
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for (Field field : fields) {
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if(!skipTags)
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getTagsByField(field, current, record, tags);
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if(!skipGroups)
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getGroupsByField(field, current, record, groups, source);
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getExtrasByField(field, current, record, extras);
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if(!skipResources)
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getResourcesByField(field, current, record, username, resources);
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}
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}
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while((current = current.getSuperclass())!=null); // start from the inherited class up to the Object.class
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logger.debug("Tags are " + tags);
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logger.debug("Groups are " + groups);
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logger.debug("Extras are " + extras);
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logger.debug("Resources without timeseries are " + resources);
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}
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/**
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* Retrieve the list of tags for this object
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*/
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private static void getTagsByField(Field field, Class<?> current, Base record, Set<String> tags){
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if(field.isAnnotationPresent(Tag.class)){
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try{
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Object f = new PropertyDescriptor(field.getName(), current).getReadMethod().invoke(record);
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if(f != null){
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if(f instanceof List<?>){
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List asList = ((List) f);
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if(!asList.isEmpty()){
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logger.debug("The object annotated with @Tag is a list. Adding ... ");
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int elementsToConsider = asList.size();
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// check if it is a time series, in this take the last X elements
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if(asList.get(0).getClass().equals(TimeSeriesBean.class)){
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elementsToConsider = Math.min(elementsToConsider, TIME_SERIES_TAKE_LAST_VALUES);
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for (int i = (asList.size() - elementsToConsider); i < asList.size(); i++) {
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String finalTag = asList.get(i).toString().trim().replaceAll(REGEX_TAGS, "");
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tags.add(finalTag);
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}
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}else{
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// else add all the available elements
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for (int i = 0; i < elementsToConsider; i++) {
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String finalTag = asList.get(i).toString().trim().replaceAll(REGEX_TAGS, "");
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tags.add(finalTag);
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}
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}
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}
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}else{
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logger.debug("The object annotated with @Tag is a simple one. Adding ... ");
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String finalTag = f.toString().trim().replaceAll(REGEX_TAGS, "");
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logger.debug(finalTag);
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tags.add(finalTag);
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}
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}
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}catch(Exception e){
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logger.error("Failed to read value for field " + field.getName() + " skipping", e);
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}
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}
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}
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/**
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* Retrieve the list of groups' names for this object
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*/
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private static void getGroupsByField(Field field, Class<?> current, Base record, Set<String> groups, Sources source){
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if(field.isAnnotationPresent(Group.class)){
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String conditionToCheck = field.getAnnotation(Group.class).condition();
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String groupNameOverValue = field.getAnnotation(Group.class).groupNameOverValue();
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try{
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Object f = new PropertyDescriptor(field.getName(), current).getReadMethod().invoke(record);
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if(f != null){
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if(f instanceof List<?>){
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List asList = ((List) f);
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if(!asList.isEmpty()){
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logger.debug("The object annotated with @Group is a list. Adding ... ");
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// else add all the available elements
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for (int i = 0; i < asList.size(); i++) {
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boolean match = conditionToCheck.isEmpty() ? true : asList.get(i).toString().trim().matches(conditionToCheck);
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if(match){
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String groupName = groupNameOverValue.isEmpty() ?
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HelperMethods.getGroupNameOnCkan(source.toString().toLowerCase() + "-" + asList.get(i).toString().trim()) :
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source.toString().toLowerCase() + "-" + groupNameOverValue;
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groups.add(groupName);
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}
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}
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}
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}else{
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// also convert to the group name that should be on ckan
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boolean match = conditionToCheck.isEmpty() ? true : f.toString().trim().matches(conditionToCheck);
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if(match){
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String groupName = groupNameOverValue.isEmpty() ?
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HelperMethods.getGroupNameOnCkan(source.toString().toLowerCase() + "-" + f.toString().trim()) :
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source.toString().toLowerCase() + "-" + groupNameOverValue;
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groups.add(groupName);
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}
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}
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}
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}catch(Exception e){
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logger.error("Failed to read value for field " + field.getName() + " skipping", e);
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}
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}
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// add the record among the source group (check for grsf-group)
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//groups.add(source.equals(Sources.GRSF) ? CommonServiceUtils.GRSF_GROUP_NAME : source.getOrigName().toLowerCase());
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}
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/**
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* Retrieve the list of extras for this object
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*/
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private static void getExtrasByField(Field field, Class<?> current, Base record, Map<String,List<String>> extras){
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if(field.isAnnotationPresent(CustomField.class)){
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try{
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Object f = new PropertyDescriptor(field.getName(), current).getReadMethod().invoke(record);
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String keyField = field.getAnnotation(CustomField.class).key();
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if(f != null){
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Set<String> valuesForKey = null;
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// check if the map already contains this key
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if(extras.containsKey(keyField))
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valuesForKey = new HashSet(extras.get(keyField));
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else
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valuesForKey = new HashSet<String>();
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if(f instanceof List<?>){
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logger.debug("The object " + field.getName() + " is a list and is annotated with @CustomField. Adding ...");
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List asList = (List)f;
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if(!asList.isEmpty()){
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int elementsToConsider = asList.size();
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// check if it is a time series, in this case take the last X elements
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if(asList.get(0).getClass().equals(TimeSeriesBean.class)){
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elementsToConsider = Math.min(elementsToConsider, TIME_SERIES_TAKE_LAST_VALUES);
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for (int i = (asList.size() - elementsToConsider); i < asList.size(); i++) {
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// trim and remove html
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String clean = HelperMethods.removeHTML(asList.get(i).toString().trim());
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valuesForKey.add(clean);
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}
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}else{
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for (int i = 0; i < elementsToConsider; i++) {
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String clean = HelperMethods.removeHTML(asList.get(i).toString().trim());
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valuesForKey.add(clean);
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}
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}
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}
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}else{
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String clean = HelperMethods.removeHTML(f.toString().trim());
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valuesForKey.add(clean);
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}
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// add to the map
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extras.put(keyField, new ArrayList<String>(valuesForKey));
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}
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}catch(Exception e){
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logger.error("Failed to read value for field " + field.getName() + " skipping", e);
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}
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}
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}
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/**
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* Retrieve the ResourceBean given the record (extract resources from Database Sources and Source of Information and others)
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* @param record
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* @param username
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* @param tags
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* @param resources
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* @return
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*/
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private static void getResourcesByField(Field field, Class<?> current, Base record, String username, List<ResourceBean> resources){
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if(field.isAnnotationPresent(CkanResource.class)){
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try{
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Object f = new PropertyDescriptor(field.getName(), current).getReadMethod().invoke(record);
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if(f != null){
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if(f instanceof List<?>){
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List<Resource> listOfResources = (List<Resource>)f;
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for (Resource resource : listOfResources) {
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resources.add(new ResourceBean(resource.getUrl(), resource.getName().toString(), resource.getDescription(), null, username, null, null));
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}
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}else{
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Resource res = (Resource)f;
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resources.add(new ResourceBean(res.getUrl(), res.getName().toString(), res.getDescription(), null, username, null, null));
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}
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}
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}catch(Exception e){
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logger.error("Failed to read value for field " + field.getName() + " skipping", e);
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}
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}
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}
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/**
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* Evaluate if the user has the admin role
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* Throws exception if he/she doesn't
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*/
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public static void hasAdminRole(String username, DataCatalogue catalogue, String apiKey, String organization) throws Exception{
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String role = catalogue.getRoleOfUserInOrganization(username, organization, apiKey);
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// Iterator<Entry<CkanOrganization, RolesCkanGroupOrOrg>> roles = catalogue.getUserRoleByOrganization(username, apiKey).get(organization).entrySet().iterator();
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//
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// while (roles.hasNext()) {
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// Map.Entry<CkanOrganization, RolesCkanGroupOrOrg> entry = (Map.Entry<CkanOrganization, RolesCkanGroupOrOrg>) roles
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// .next();
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// role = RolesCkanGroupOrOrg.convertToCkanCapacity(entry.getValue());
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// }
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logger.info("Role of the user " + username + " is " + role + " in " + organization);
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if(role == null || role.isEmpty() || !role.equalsIgnoreCase(RolesCkanGroupOrOrg.ADMIN.toString()))
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throw new Exception("You are not authorized to create a product. Please check you have the Catalogue-Administrator role!");
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}
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/**
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* Check this record's name
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* @param futureName
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* @param catalogue
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* @throws Exception on name check
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*/
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public static void checkName(String futureName, DataCatalogue catalogue) throws Exception {
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if(!HelperMethods.isNameValid(futureName)){
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throw new Exception("The 'uuid_knowledge_base' must contain only alphanumeric characters, and symbols like '.' or '_', '-'");
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}else{
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logger.debug("Checking if such name [" + futureName + "] doesn't exist ...");
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boolean alreadyExists = catalogue.existProductWithNameOrId(futureName);
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if(alreadyExists){
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logger.debug("A product with 'uuid_knowledge_base' " + futureName + " already exists");
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throw new Exception("A product with 'uuid_knowledge_base' " + futureName + " already exists");
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}
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}
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}
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/**
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* Validate and check sources
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* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
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* @param apiKey
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* @param context
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* @param contextServlet
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* @param sourceInPath
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* @param record
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* @param resources
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* @param groups
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* @param customFields
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* @param tags
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* @param futureTitle
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* @param username
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* @throws Exception
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*/
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public static void validateRecordAndMapFields(String apiKey, String context, ServletContext contextServlet,
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Sources sourceInPath, Common record, Product_Type productType, Set<String> tags, Map<String, List<String>> customFields,
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Set<String> groups, List<ResourceBean> resources, String username, String futureTitle) throws Exception {
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// validate the record if it is a GRSF one and set the record type and in manage context
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// Status field is needed only in the Manage context for GRSF records
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if(context.equals((String)contextServlet.getInitParameter(HelperMethods.MANAGE_CONTEX_KEY))){
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if(sourceInPath.equals(Sources.GRSF)){
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//Evaluate the sources
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List<Resource<Sources>> recordSources = record.getDatabaseSources();
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String sources = "";
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for (Resource<Sources> resource : recordSources) {
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sources += resource.getName() + ", ";
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}
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sources = sources.endsWith(", ") ? sources.substring(0, sources.length() -2) : sources;
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record.setSourceType(sources);
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CommonServiceUtils.validateAggregatedRecord(record);
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}
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}
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// set the grsf type: fishery or stock
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record.setGrsfType(productType.getOrigName());
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// evaluate the custom fields/tags, resources and groups
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groups.add(sourceInPath.getOrigName().toLowerCase() + "-" + productType.getOrigName().toLowerCase()); //e.g. grsf-fishery
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boolean skipTags = !sourceInPath.equals(Sources.GRSF); // no tags for the Original records
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CommonServiceUtils.getTagsGroupsResourcesExtrasByRecord(tags, skipTags, groups, false, resources, false, customFields, record, username, sourceInPath);
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// manage the refers to
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if(sourceInPath.equals(Sources.GRSF)){
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List<RefersToBean> refersTo = record.getRefersTo();
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if(refersTo == null || refersTo.isEmpty())
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throw new Exception("refers_to is empty for a GRSF record");
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// we have the id within the catalog of this record. This means that we can retrieve the record and its system:type
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for (RefersToBean refersToBean : refersTo) {
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resources.add(new ResourceBean(refersToBean.getUrl(), getSystemTypeValue(refersToBean.getId(), apiKey, context) , "The source record has id " + refersToBean.getId() + " in the catalog", null, username, null, null));
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}
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}
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// add the SYSTEM_TYPE
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customFields.put(CommonServiceUtils.SYSTEM_TYPE, Arrays.asList(sourceInPath.getOrigName()));
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}
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/**
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* Fetch the system:type property from a record
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* @param itemIdOrName
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* @param apiKey
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* @return null on error
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* @throws Exception
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*/
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public static String getSystemTypeValue(String itemIdOrName, String apiKey, String context) throws Exception{
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DataCatalogue catalog = HelperMethods.getDataCatalogueRunningInstance(context);
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String systemTypeValue = catalog.getDataset(itemIdOrName, apiKey).getExtrasAsHashMap().get(SYSTEM_TYPE);
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if(systemTypeValue == null || systemTypeValue.isEmpty())
|
|
throw new Exception(SYSTEM_TYPE + " property not set in record " + itemIdOrName);
|
|
else
|
|
return systemTypeValue;
|
|
|
|
}
|
|
|
|
/**
|
|
* Actions to execute once the dataset has been updated or created.
|
|
* @param responseBean
|
|
* @param catalogue
|
|
* @param namespaces
|
|
* @param groups
|
|
* @param context
|
|
* @param token
|
|
* @param futureTitle
|
|
* @param authorFullname
|
|
* @param contextServlet
|
|
* @throws InterruptedException
|
|
*/
|
|
public static void actionsPostCreateOrUpdate(
|
|
String datasetId, String futureName, Common record, String apiKey, String username, String organization, String itemUrl,
|
|
ResponseCreationBean responseBean, DataCatalogue catalogue,
|
|
Map<String, String> namespaces, Set<String> groups, String context,
|
|
String token, String futureTitle, String authorFullname, ServletContext contextServlet, boolean isUpdated) throws InterruptedException {
|
|
|
|
// on create, we need to add the item url
|
|
if(!isUpdated){
|
|
itemUrl = catalogue.getUnencryptedUrlFromDatasetIdOrName(futureName);
|
|
Map<String, List<String>> addField = new HashMap<String, List<String>>();
|
|
String modifiedUUIDKey = namespaces.containsKey(CommonServiceUtils.ITEM_URL_FIELD) ? namespaces.get(CommonServiceUtils.ITEM_URL_FIELD) : CommonServiceUtils.ITEM_URL_FIELD;
|
|
addField.put(modifiedUUIDKey, Arrays.asList(itemUrl));
|
|
catalogue.patchProductCustomFields(datasetId, apiKey, addField);
|
|
}
|
|
|
|
// set info in the response bean
|
|
responseBean.setId(datasetId);
|
|
responseBean.setItemUrl(itemUrl);
|
|
responseBean.setKbUuid(record.getUuid());
|
|
|
|
// manage groups (wait thread to die: ckan doesn't support too much concurrency on same record ...)
|
|
if(!groups.isEmpty()){
|
|
logger.info("Launching thread for association to the list of groups " + groups);
|
|
AssociationToGroupThread threadGroups = new AssociationToGroupThread(new ArrayList<String>(groups), datasetId, organization, username, catalogue, apiKey);
|
|
threadGroups.start();
|
|
logger.debug("Waiting association thread to die..");
|
|
threadGroups.join();
|
|
logger.debug("Ok, it died");
|
|
}
|
|
|
|
// manage time series as resources
|
|
logger.info("Launching thread for time series handling");
|
|
new ManageTimeSeriesThread(record, futureName, username, catalogue, context, token).start();
|
|
|
|
// write a post if the product has been published in grsf context
|
|
if(!isUpdated && context.equals((String)contextServlet.getInitParameter(HelperMethods.PUBLIC_CONTEX_KEY))){
|
|
new WritePostCatalogueManagerThread(
|
|
context,
|
|
token,
|
|
futureTitle,
|
|
itemUrl,
|
|
false,
|
|
new ArrayList<String>(),
|
|
authorFullname).start();
|
|
logger.info("Thread to write a post about the new product has been launched");
|
|
}
|
|
}
|
|
} |