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knowledgepixels / nanodash / 17915104384

22 Sep 2025 12:21PM UTC coverage: 13.525% (-0.2%) from 13.712%
17915104384

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github

tkuhn
fix: Handling of failing queries

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src/main/java/com/knowledgepixels/nanodash/Space.java
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package com.knowledgepixels.nanodash;
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import static com.knowledgepixels.nanodash.Utils.vf;
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import java.io.Serializable;
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import java.time.format.DateTimeParseException;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Collections;
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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 org.eclipse.rdf4j.model.IRI;
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import org.eclipse.rdf4j.model.Literal;
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import org.eclipse.rdf4j.model.Statement;
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import org.eclipse.rdf4j.model.vocabulary.DCTERMS;
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import org.eclipse.rdf4j.model.vocabulary.OWL;
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import org.nanopub.Nanopub;
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import org.nanopub.extra.services.ApiResponse;
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import org.nanopub.extra.services.ApiResponseEntry;
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import org.nanopub.extra.services.QueryRef;
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import org.nanopub.vocabulary.NTEMPLATE;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.github.jsonldjava.shaded.com.google.common.collect.Ordering;
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import com.google.common.collect.ArrayListMultimap;
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import com.google.common.collect.Multimap;
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import com.knowledgepixels.nanodash.template.Template;
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import com.knowledgepixels.nanodash.template.TemplateData;
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import jakarta.xml.bind.DatatypeConverter;
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/**
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 * Class representing a "Space", which can be any kind of collaborative unit, like a project, group, or event.
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 */
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public class Space implements Serializable {
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    private static final Logger logger = LoggerFactory.getLogger(Space.class);
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    /**
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     * The predicate to assign the admins of the space.
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     */
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    public static final IRI HAS_ADMIN = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasAdmin");
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    /**
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     * The predicate for pinned templates in the space.
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     */
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    public static final IRI HAS_PINNED_TEMPLATE = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasPinnedTemplate");
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    /**
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     * The predicate for pinned queries in the space.
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     */
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    public static final IRI HAS_PINNED_QUERY = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasPinnedQuery");
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    private static List<Space> spaceList;
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    private static Map<String, List<Space>> spaceListByType;
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    private static Map<String,Space> spacesByCoreInfo = new HashMap<>();
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    private static Map<String,Space> spacesById;
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    private static Map<Space,Set<Space>> subspaceMap;
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    private static Map<Space,Set<Space>> superspaceMap;
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    private static boolean loaded = false;
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    public static synchronized void refresh(ApiResponse resp) {
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        spaceList = new ArrayList<>();
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        spaceListByType = new HashMap<>();
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        Map<String,Space> prevSpacesByCoreInfoPrev = spacesByCoreInfo;
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        spacesByCoreInfo = new HashMap<>();
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        spacesById = new HashMap<>();
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        subspaceMap = new HashMap<>();
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        superspaceMap = new HashMap<>();
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        for (ApiResponseEntry entry : resp.getData()) {
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            Space space = new Space(entry);
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            Space prevSpace = prevSpacesByCoreInfoPrev.get(space.getCoreInfoString());
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            if (prevSpace != null) space = prevSpace;
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            spaceList.add(space);
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            spaceListByType.computeIfAbsent(space.getType(), k -> new ArrayList<>()).add(space);
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            spacesByCoreInfo.put(space.getCoreInfoString(), space);
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            spacesById.put(space.getId(), space);
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        }
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        for (Space space : spaceList) {
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            Space superSpace = space.getIdSuperspace();
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            if (superSpace == null) continue;
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            subspaceMap.computeIfAbsent(superSpace, k -> new HashSet<>()).add(space);
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            superspaceMap.computeIfAbsent(space, k -> new HashSet<>()).add(superSpace);
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        }
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        loaded = true;
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    }
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    public static boolean isLoaded() {
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        return loaded;
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    }
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    public static void ensureLoaded() {
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        if (spaceList == null) {
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            refresh(QueryApiAccess.forcedGet(new QueryRef("get-spaces")));
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        }
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    }
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    public static List<Space> getSpaceList() {
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        ensureLoaded();
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        return spaceList;
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    }
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    public static List<Space> getSpaceList(String type) {
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        ensureLoaded();
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        return spaceListByType.computeIfAbsent(type, k -> new ArrayList<>());
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    }
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    public static Space get(String id) {
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        ensureLoaded();
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        return spacesById.get(id);
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    }
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    public static void refresh() {
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        ensureLoaded();
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        for (Space space : spaceList) {
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            space.dataNeedsUpdate = true;
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        }
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    }
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    private String id, label, rootNanopubId, type;
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    private Nanopub rootNanopub = null;
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    private SpaceData data = new SpaceData();
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    private static class SpaceData implements Serializable {
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        List<String> altIds = new ArrayList<>();
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        String description = null;
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        Calendar startDate, endDate;
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        IRI defaultProvenance = null;
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        List<IRI> admins = new ArrayList<>();
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        Map<IRI,Set<SpaceMemberRole>> members = new HashMap<>();
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        List<SpaceMemberRole> roles = new ArrayList<>();
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        Map<IRI,SpaceMemberRole> roleMap = new HashMap<>();
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        Map<String,IRI> adminPubkeyMap = new HashMap<>();
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        List<Serializable> pinnedResources = new ArrayList<>();
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        Set<String> pinGroupTags = new HashSet<>();
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        Map<String, List<Serializable>> pinnedResourceMap = new HashMap<>();
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        void addAdmin(IRI admin) {
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            // TODO This isn't efficient for long owner lists:
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            if (admins.contains(admin)) return;
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            admins.add(admin);
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            UserData ud = User.getUserData();
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            for (String pubkeyhash : ud.getPubkeyhashes(admin, true)) {
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                adminPubkeyMap.put(pubkeyhash, admin);
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            }
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        }
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    }
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    private boolean dataInitialized = false;
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    private boolean dataNeedsUpdate = true;
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    private Space(ApiResponseEntry resp) {
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        this.id = resp.get("space");
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        this.label = resp.get("label");
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        this.type = resp.get("type");
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        this.rootNanopubId = resp.get("np");
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        this.rootNanopub = Utils.getAsNanopub(rootNanopubId);
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        setCoreData(data);
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    }
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    public String getId() {
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        return id;
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    }
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    public String getRootNanopubId() {
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        return rootNanopubId;
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    }
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    public String getCoreInfoString() {
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        return id + " " + rootNanopubId;
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    }
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    public Nanopub getRootNanopub() {
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        return rootNanopub;
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    }
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    public String getLabel() {
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        return label;
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    }
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    public String getType() {
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        return type;
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    }
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    public Calendar getStartDate() {
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        return data.startDate;
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    }
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    public Calendar getEndDate() {
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        return data.endDate;
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    }
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    public String getTypeLabel() {
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        return type.replaceFirst("^.*/", "");
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    }
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    public String getDescription() {
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        return data.description;
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    }
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    public boolean isDataInitialized() {
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        triggerDataUpdate();
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        return dataInitialized;
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    }
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    public List<IRI> getAdmins() {
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        triggerDataUpdate();
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        return data.admins;
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    }
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    public List<IRI> getMembers() {
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        triggerDataUpdate();
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        List<IRI> members = new ArrayList<IRI>(data.members.keySet());
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        members.sort(User.getUserData().userComparator);
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        return members;
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    }
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    public Set<SpaceMemberRole> getMemberRoles(IRI memberId) {
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        return data.members.get(memberId);
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    }
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    public boolean isMember(IRI userId) {
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        triggerDataUpdate();
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        return data.members.containsKey(userId);
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    }
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    public List<Serializable> getPinnedResources() {
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        triggerDataUpdate();
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        return data.pinnedResources;
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    }
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    public Set<String> getPinGroupTags() {
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        triggerDataUpdate();
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        return data.pinGroupTags;
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    }
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    public Map<String, List<Serializable>> getPinnedResourceMap() {
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        triggerDataUpdate();
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        return data.pinnedResourceMap;
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    }
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    public IRI getDefaultProvenance() {
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        return data.defaultProvenance;
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    }
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    public List<SpaceMemberRole> getRoles() {
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        return data.roles;
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    }
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    public String getSuperId() {
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        return null;
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    }
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    public Space getIdSuperspace() {
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        if (!id.matches("https?://[^/]+/.*/[^/]*/?")) return null;
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        String superId = id.replaceFirst("(https?://[^/]+/.*)/[^/]*/?", "$1");
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        if (spacesById.containsKey(superId)) {
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            return spacesById.get(superId);
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        }
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        return null;
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    }
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    public List<Space> getSuperspaces() {
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        if (superspaceMap.containsKey(this)) {
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            List<Space> superspaces = new ArrayList<>(superspaceMap.get(this));
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            Collections.sort(superspaces, Ordering.usingToString());
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            return superspaces;
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        }
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        return new ArrayList<>();
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    }
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    public List<Space> getSubspaces() {
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        if (subspaceMap.containsKey(this)) {
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            List<Space> subspaces = new ArrayList<>(subspaceMap.get(this));
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            Collections.sort(subspaces, Ordering.usingToString());
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            return subspaces;
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        }
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        return new ArrayList<>();
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    }
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    public List<Space> getSubspaces(String type) {
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        List<Space> l = new ArrayList<>();
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        for (Space s : getSubspaces()) {
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            if (s.getType().equals(type)) l.add(s);
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        }
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        return l;
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    }
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    public List<String> getAltIDs() {
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        return data.altIds;
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    }
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    private synchronized void triggerDataUpdate() {
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        if (dataNeedsUpdate) {
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            new Thread(() -> {
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                try {
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                    SpaceData newData = new SpaceData();
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                    setCoreData(newData);
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                    newData.roles.add(SpaceMemberRole.ADMIN_ROLE);
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                    newData.roleMap.put(SpaceMemberRole.ADMIN_ROLE_IRI, SpaceMemberRole.ADMIN_ROLE);
×
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                    Multimap<String, String> spaceIds = ArrayListMultimap.create();
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                    spaceIds.put("space", id);
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                    for (String id : newData.altIds) {
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                        spaceIds.put("space", id);
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                    }
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                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-admins", spaceIds)).getData()) {
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                        String pubkeyhash = r.get("pubkey");
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                        if (newData.adminPubkeyMap.containsKey(pubkeyhash)) {
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                            IRI adminId = Utils.vf.createIRI(r.get("admin"));
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                            newData.addAdmin(adminId);
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                            newData.members.computeIfAbsent(adminId, (k) -> new HashSet<>()).add(SpaceMemberRole.ADMIN_ROLE);
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                        }
326
                    }
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                    newData.admins.sort(User.getUserData().userComparator);
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                    Multimap<String, String> getSpaceMemberParams = ArrayListMultimap.create(spaceIds);
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                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef( "get-space-member-roles", spaceIds)).getData()) {
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                        if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;
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                        SpaceMemberRole role = new SpaceMemberRole(r);
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                        newData.roles.add(role);
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                        // TODO Handle cases of overlapping properties:
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                        newData.roleMap.put(role.getMainProperty(), role);
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                        for (IRI p : role.getEquivalentProperties()) newData.roleMap.put(p, role);
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                        for (IRI p : role.getInverseProperties()) newData.roleMap.put(p, role);
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                        role.addRoleParams(getSpaceMemberParams);
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                    }
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                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-space-members", getSpaceMemberParams)).getData()) {
×
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                        IRI memberId = Utils.vf.createIRI(r.get("member"));
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                        SpaceMemberRole role = newData.roleMap.get(Utils.vf.createIRI(r.get("role")));
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                        newData.members.computeIfAbsent(memberId, (k) -> new HashSet<>()).add(role);
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                    }
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350
                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-pinned-templates", spaceIds)).getData()) {
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351
                        if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;
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                        Template t = TemplateData.get().getTemplate(r.get("template"));
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                        if (t == null) continue;
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                        newData.pinnedResources.add(t);
×
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                        String tag = r.get("tag");
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                        if (tag != null && !tag.isEmpty()) {
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                            newData.pinGroupTags.add(r.get("tag"));
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                            newData.pinnedResourceMap.computeIfAbsent(tag, k -> new ArrayList<>()).add(TemplateData.get().getTemplate(r.get("template")));
×
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                        }
360
                    }
×
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                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-pinned-queries", spaceIds)).getData()) {
×
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                        if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;
×
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                        GrlcQuery query = GrlcQuery.get(r.get("query"));
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                        if (query == null) continue;
×
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                        newData.pinnedResources.add(query);
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                        String tag = r.get("tag");
×
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                        if (tag != null && !tag.isEmpty()) {
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                            newData.pinGroupTags.add(r.get("tag"));
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                            newData.pinnedResourceMap.computeIfAbsent(tag, k -> new ArrayList<>()).add(query);
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                        }
371
                    }
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                    data = newData;
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                    dataInitialized = true;
×
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                } catch (Exception ex) {
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                    logger.error("Error while trying to update space data: {}", ex);
×
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                }
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            }).start();
×
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            dataNeedsUpdate = false;
×
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        }
380
    }
×
381

382
    private void setCoreData(SpaceData data) {
383
        for (Statement st : rootNanopub.getAssertion()) {
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384
            if (st.getSubject().stringValue().equals(getId())) {
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385
                if (st.getPredicate().equals(OWL.SAMEAS) && st.getObject() instanceof IRI objIri) {
×
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                    data.altIds.add(objIri.stringValue());
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                } else if (st.getPredicate().equals(DCTERMS.DESCRIPTION)) {
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                    data.description = st.getObject().stringValue();
×
389
                } else if (st.getPredicate().stringValue().equals("http://schema.org/startDate")) {
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                    try {
391
                        data.startDate = DatatypeConverter.parseDateTime(st.getObject().stringValue());
×
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                    } catch (DateTimeParseException ex) {
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                        logger.error("Failed to parse date {}", st.getObject().stringValue());
×
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                    }
×
395
                } else if (st.getPredicate().stringValue().equals("http://schema.org/endDate")) {
×
396
                    try {
397
                        data.endDate = DatatypeConverter.parseDateTime(st.getObject().stringValue());
×
398
                    } catch (IllegalArgumentException ex) {
×
399
                        logger.error("Failed to parse date {}", st.getObject().stringValue());
×
400
                    }
×
401
                } else if (st.getPredicate().equals(HAS_ADMIN) && st.getObject() instanceof IRI obj) {
×
402
                    data.addAdmin(obj);
×
403
                } else if (st.getPredicate().equals(HAS_PINNED_TEMPLATE) && st.getObject() instanceof IRI obj) {
×
404
                    data.pinnedResources.add(TemplateData.get().getTemplate(obj.stringValue()));
×
405
                } else if (st.getPredicate().equals(HAS_PINNED_QUERY) && st.getObject() instanceof IRI obj) {
×
406
                    data.pinnedResources.add(GrlcQuery.get(obj.stringValue()));
×
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                } else if (st.getPredicate().equals(NTEMPLATE.HAS_DEFAULT_PROVENANCE) && st.getObject() instanceof IRI obj) {
×
408
                    data.defaultProvenance = obj;
×
409
                }
410
            } else if (st.getPredicate().equals(NTEMPLATE.HAS_TAG) && st.getObject() instanceof Literal l) {
×
411
                data.pinGroupTags.add(l.stringValue());
×
412
                List<Serializable> list = data.pinnedResourceMap.get(l.stringValue());
×
413
                if (list == null) {
×
414
                    list = new ArrayList<>();
×
415
                    data.pinnedResourceMap.put(l.stringValue(), list);
×
416
                }
417
                list.add(TemplateData.get().getTemplate(st.getSubject().stringValue()));
×
418
            }
419
        }
×
420
    }
×
421

422
    @Override
423
    public String toString() {
424
        return id;
×
425
    }
426

427
}
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