18889822546

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docs: Add comment line to code

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src/main/java/com/knowledgepixels/nanodash/Space.java

package com.knowledgepixels.nanodash;

import static com.knowledgepixels.nanodash.Utils.vf;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.Literal;
import org.eclipse.rdf4j.model.Statement;
import org.eclipse.rdf4j.model.vocabulary.DCTERMS;
import org.eclipse.rdf4j.model.vocabulary.OWL;
import org.nanopub.Nanopub;
import org.nanopub.extra.services.ApiResponse;
import org.nanopub.extra.services.ApiResponseEntry;
import org.nanopub.extra.services.QueryRef;
import org.nanopub.vocabulary.NTEMPLATE;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.github.jsonldjava.shaded.com.google.common.collect.Ordering;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
import com.knowledgepixels.nanodash.template.Template;
import com.knowledgepixels.nanodash.template.TemplateData;

import jakarta.xml.bind.DatatypeConverter;

/**
 * Class representing a "Space", which can be any kind of collaborative unit, like a project, group, or event.
 */
public class Space implements Serializable {

    private static final Logger logger = LoggerFactory.getLogger(Space.class);

    /**
     * The predicate to assign the admins of the space.
     */
    public static final IRI HAS_ADMIN = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasAdmin");

    /**
     * The predicate for pinned templates in the space.
     */
    public static final IRI HAS_PINNED_TEMPLATE = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasPinnedTemplate");

    /**
     * The predicate for pinned queries in the space.
     */
    public static final IRI HAS_PINNED_QUERY = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasPinnedQuery");

    private static List<Space> spaceList;
    private static Map<String, List<Space>> spaceListByType;
    private static Map<String, Space> spacesByCoreInfo = new HashMap<>();
    private static Map<String, Space> spacesById;
    private static Map<Space, Set<Space>> subspaceMap;
    private static Map<Space, Set<Space>> superspaceMap;
    private static boolean loaded = false;

    /**
     * Refresh the list of spaces from the API response.
     *
     * @param resp The API response containing space data.
     */
    public static synchronized void refresh(ApiResponse resp) {
        spaceList = new ArrayList<>();
        spaceListByType = new HashMap<>();
        Map<String, Space> prevSpacesByCoreInfoPrev = spacesByCoreInfo;
        spacesByCoreInfo = new HashMap<>();
        spacesById = new HashMap<>();
        subspaceMap = new HashMap<>();
        superspaceMap = new HashMap<>();
        for (ApiResponseEntry entry : resp.getData()) {
            Space space = new Space(entry);
            Space prevSpace = prevSpacesByCoreInfoPrev.get(space.getCoreInfoString());
            if (prevSpace != null) space = prevSpace;
            spaceList.add(space);
            spaceListByType.computeIfAbsent(space.getType(), k -> new ArrayList<>()).add(space);
            spacesByCoreInfo.put(space.getCoreInfoString(), space);
            spacesById.put(space.getId(), space);
        }
        for (Space space : spaceList) {
            Space superSpace = space.getIdSuperspace();
            if (superSpace == null) continue;
            subspaceMap.computeIfAbsent(superSpace, k -> new HashSet<>()).add(space);
            superspaceMap.computeIfAbsent(space, k -> new HashSet<>()).add(superSpace);
        }
        loaded = true;
    }

    /**
     * Check if the spaces have been loaded.
     *
     * @return true if loaded, false otherwise.
     */
    public static boolean isLoaded() {
        return loaded;
    }

    public static boolean areAllSpacesInitialized() {
        for (Space space : spaceList) {
            if (!space.isDataInitialized()) return false;
        }
        return true;
    }

    public static void triggerAllDataUpdates() {
        for (Space space : spaceList) {
            space.triggerDataUpdate();
        }
    }

    /**
     * Ensure that the spaces are loaded, fetching them from the API if necessary.
     */
    public static void ensureLoaded() {
        if (spaceList == null) {
            refresh(QueryApiAccess.forcedGet(new QueryRef("get-spaces")));
        }
    }

    /**
     * Get the list of all spaces.
     *
     * @return List of spaces.
     */
    public static List<Space> getSpaceList() {
        ensureLoaded();
        return spaceList;
    }

    /**
     * Get the list of spaces of a specific type.
     *
     * @param type The type of spaces to retrieve.
        System.err.println("REFRESH...");
     * @return List of spaces of the specified type.
     */
    public static List<Space> getSpaceList(String type) {
        ensureLoaded();
        return spaceListByType.computeIfAbsent(type, k -> new ArrayList<>());
    }

    /**
     * Get a space by its id.
     *
     * @param id The id of the space.
     * @return The corresponding Space object, or null if not found.
     */
    public static Space get(String id) {
        ensureLoaded();
        return spacesById.get(id);
    }

    /**
     * Mark all spaces as needing a data update.
     */
    public static void refresh() {
        refresh(QueryApiAccess.forcedGet(new QueryRef("get-spaces")));
        for (Space space : spaceList) {
            space.dataNeedsUpdate = true;
        }
    }

    private String id, label, rootNanopubId, type;
    private Nanopub rootNanopub = null;
    private SpaceData data = new SpaceData();

    private static class SpaceData implements Serializable {

        List<String> altIds = new ArrayList<>();

        String description = null;
        Calendar startDate, endDate;
        IRI defaultProvenance = null;

        List<IRI> admins = new ArrayList<>();
        Map<IRI, Set<SpaceMemberRole>> users = new HashMap<>();
        List<SpaceMemberRole> roles = new ArrayList<>();
        Map<IRI, SpaceMemberRole> roleMap = new HashMap<>();

        Map<String, IRI> adminPubkeyMap = new HashMap<>();
        Set<Serializable> pinnedResources = new HashSet<>();
        List<ResourceView> views = new ArrayList<>();
        Set<String> pinGroupTags = new HashSet<>();
        Map<String, Set<Serializable>> pinnedResourceMap = new HashMap<>();

        void addAdmin(IRI admin) {
            // TODO This isn't efficient for long owner lists:
            if (admins.contains(admin)) return;
            admins.add(admin);
            UserData ud = User.getUserData();
            for (String pubkeyhash : ud.getPubkeyhashes(admin, true)) {
                adminPubkeyMap.put(pubkeyhash, admin);
            }
        }

    }

    private boolean dataInitialized = false;
    private boolean dataNeedsUpdate = true;

    private Space(ApiResponseEntry resp) {
        this.id = resp.get("space");
        this.label = resp.get("label");
        this.type = resp.get("type");
        this.rootNanopubId = resp.get("np");
        this.rootNanopub = Utils.getAsNanopub(rootNanopubId);
        setCoreData(data);
    }

    /**
     * Get the ID of the space.
     *
     * @return The space ID.
     */
    public String getId() {
        return id;
    }

    /**
     * Get the root nanopublication ID of the space.
     *
     * @return The root nanopub ID.
     */
    public String getRootNanopubId() {
        return rootNanopubId;
    }

    /**
     * Get a string combining the space ID and root nanopub ID for core identification.
     *
     * @return The core info string.
     */
    public String getCoreInfoString() {
        return id + " " + rootNanopubId;
    }

    /**
     * Get the root nanopublication of the space.
     *
     * @return The root Nanopub object.
     */
    public Nanopub getRootNanopub() {
        return rootNanopub;
    }

    /**
     * Get the label of the space.
     *
     * @return The space label.
     */
    public String getLabel() {
        return label;
    }

    /**
     * Get the type of the space.
     *
     * @return The space type.
     */
    public String getType() {
        return type;
    }

    /**
     * Get the start date of the space.
     *
     * @return The start date as a Calendar object, or null if not set.
     */
    public Calendar getStartDate() {
        return data.startDate;
    }

    /**
     * Get the end date of the space.
     *
     * @return The end date as a Calendar object, or null if not set.
     */
    public Calendar getEndDate() {
        return data.endDate;
    }

    /**
     * Get a simplified label for the type of space by removing any namespace prefix.
     *
     * @return The simplified type label.
     */
    public String getTypeLabel() {
        return type.replaceFirst("^.*/", "");
    }

    /**
     * Get the description of the space.
     *
     * @return The description string.
     */
    public String getDescription() {
        return data.description;
    }

    /**
     * Check if the space data has been initialized.
     *
     * @return true if initialized, false otherwise.
     */
    public boolean isDataInitialized() {
        triggerDataUpdate();
        return dataInitialized;
    }

    /**
     * Get the list of admins in this space.
     *
     * @return List of admin IRIs.
     */
    public List<IRI> getAdmins() {
        ensureInitialized();
        return data.admins;
    }

    /**
     * Get the list of members in this space.
     *
     * @return List of member IRIs.
     */
    public List<IRI> getUsers() {
        ensureInitialized();
        List<IRI> users = new ArrayList<IRI>(data.users.keySet());
        users.sort(User.getUserData().userComparator);
        return users;
    }

    /**
     * Get the roles of a specific member in this space.
     *
     * @param userId The IRI of the member.
     * @return Set of roles assigned to the member, or null if the member is not part of this space.
     */
    public Set<SpaceMemberRole> getMemberRoles(IRI userId) {
        ensureInitialized();
        return data.users.get(userId);
    }

    /**
     * Check if a user is a member of this space.
     *
     * @param userId The IRI of the user to check.
     * @return true if the user is a member, false otherwise.
     */
    public boolean isMember(IRI userId) {
        ensureInitialized();
        return data.users.containsKey(userId);
    }

    public boolean isAdminPubkey(String pubkey) {
        ensureInitialized();
        return data.adminPubkeyMap.containsKey(pubkey);
    }

    /**
     * Get the list of pinned resources in this space.
     *
     * @return List of pinned resources.
     */
    public Set<Serializable> getPinnedResources() {
        ensureInitialized();
        return data.pinnedResources;
    }

    /**
     * Get the set of tags used for grouping pinned resources.
     *
     * @return Set of tags.
     */
    public Set<String> getPinGroupTags() {
        ensureInitialized();
        return data.pinGroupTags;
    }

    /**
     * Get a map of pinned resources grouped by their tags.
     *
     * @return Map where keys are tags and values are lists of pinned resources (Templates or GrlcQueries).
     */
    public Map<String, Set<Serializable>> getPinnedResourceMap() {
        ensureInitialized();
        return data.pinnedResourceMap;
    }

    /**
     * Get the list of views (GrlcQueries) associated with this space.
     *
     * @return List of GrlcQuery views.
     */
    public List<ResourceView> getViews() {
        return data.views;
    }

    /**
     * Get the default provenance IRI for this space.
     *
     * @return The default provenance IRI, or null if not set.
     */
    public IRI getDefaultProvenance() {
        return data.defaultProvenance;
    }

    /**
     * Get the roles defined in this space.
     *
     * @return List of roles.
     */
    public List<SpaceMemberRole> getRoles() {
        return data.roles;
    }

    /**
     * Get the super ID of the space.
     *
     * @return Always returns null. Use getIdSuperspace() instead.
     */
    public String getSuperId() {
        return null;
    }

    /**
     * Get the superspace ID.
     *
     * @return The superspace, or null if not applicable.
     */
    public Space getIdSuperspace() {
        if (!id.matches("https?://[^/]+/.*/[^/]*/?")) return null;
        String superId = id.replaceFirst("(https?://[^/]+/.*)/[^/]*/?", "$1");
        if (spacesById.containsKey(superId)) {
            return spacesById.get(superId);
        }
        return null;
    }

    /**
     * Get superspaces of this space.
     *
     * @return List of superspaces.
     */
    public List<Space> getSuperspaces() {
        if (superspaceMap.containsKey(this)) {
            List<Space> superspaces = new ArrayList<>(superspaceMap.get(this));
            Collections.sort(superspaces, Ordering.usingToString());
            return superspaces;
        }
        return new ArrayList<>();
    }

    /**
     * Get subspaces of this space.
     *
     * @return List of subspaces.
     */
    public List<Space> getSubspaces() {
        if (subspaceMap.containsKey(this)) {
            List<Space> subspaces = new ArrayList<>(subspaceMap.get(this));
            Collections.sort(subspaces, Ordering.usingToString());
            return subspaces;
        }
        return new ArrayList<>();
    }

    /**
     * Get subspaces of a specific type.
     *
     * @param type The type of subspaces to retrieve.
     * @return List of subspaces of the specified type.
     */
    public List<Space> getSubspaces(String type) {
        List<Space> l = new ArrayList<>();
        for (Space s : getSubspaces()) {
            if (s.getType().equals(type)) l.add(s);
        }
        return l;
    }

    /**
     * Get alternative IDs for the space.
     *
     * @return List of alternative IDs.
     */
    public List<String> getAltIDs() {
        return data.altIds;
    }

    private synchronized void ensureInitialized() {
        Thread thread = triggerDataUpdate();
        if (!dataInitialized && thread != null) {
            try {
                thread.join();
            } catch (InterruptedException ex) {
                logger.error("failed to join thread", ex);
            }
        }
    }

    private synchronized Thread triggerDataUpdate() {
        if (dataNeedsUpdate) {
            Thread thread = new Thread(() -> {
                try {
                    SpaceData newData = new SpaceData();
                    setCoreData(newData);

                    newData.roles.add(SpaceMemberRole.ADMIN_ROLE);
                    newData.roleMap.put(SpaceMemberRole.HAS_ADMIN_PREDICATE, SpaceMemberRole.ADMIN_ROLE);

                    // TODO Improve this:
                    Multimap<String, String> spaceIds = ArrayListMultimap.create();
                    Multimap<String, String> resourceIds = ArrayListMultimap.create();
                    spaceIds.put("space", id);
                    resourceIds.put("resource", id);
                    for (String id : newData.altIds) {
                        spaceIds.put("space", id);
                        resourceIds.put("resource", id);
                    }

                    // TODO Is this correct? Shouldn't this be run several times until no new admins are found?
                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-admins", spaceIds)).getData()) {
                        String pubkeyhash = r.get("pubkey");
                        if (newData.adminPubkeyMap.containsKey(pubkeyhash)) {
                            IRI adminId = Utils.vf.createIRI(r.get("admin"));
                            newData.addAdmin(adminId);
                            newData.users.computeIfAbsent(adminId, (k) -> new HashSet<>()).add(SpaceMemberRole.ADMIN_ROLE);
                        }
                    }
                    newData.admins.sort(User.getUserData().userComparator);

                    Multimap<String, String> getSpaceMemberParams = ArrayListMultimap.create(spaceIds);

                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-space-member-roles", spaceIds)).getData()) {
                        if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;
                        SpaceMemberRole role = new SpaceMemberRole(r);
                        newData.roles.add(role);

                        // TODO Handle cases of overlapping properties:
                        for (IRI p : role.getRegularProperties()) newData.roleMap.put(p, role);
                        for (IRI p : role.getInverseProperties()) newData.roleMap.put(p, role);

                        role.addRoleParams(getSpaceMemberParams);
                    }

                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-space-members", getSpaceMemberParams)).getData()) {
                        IRI memberId = Utils.vf.createIRI(r.get("member"));
                        SpaceMemberRole role = newData.roleMap.get(Utils.vf.createIRI(r.get("role")));
                        newData.users.computeIfAbsent(memberId, (k) -> new HashSet<>()).add(role);
                    }

                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-pinned-templates", spaceIds)).getData()) {
                        if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;
                        Template t = TemplateData.get().getTemplate(r.get("template"));
                        if (t == null) continue;
                        newData.pinnedResources.add(t);
                        String tag = r.get("tag");
                        if (tag != null && !tag.isEmpty()) {
                            newData.pinGroupTags.add(r.get("tag"));
                            newData.pinnedResourceMap.computeIfAbsent(tag, k -> new HashSet<>()).add(TemplateData.get().getTemplate(r.get("template")));
                        }
                    }
                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-pinned-queries", spaceIds)).getData()) {
                        if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;
                        GrlcQuery query = GrlcQuery.get(r.get("query"));
                        if (query == null) continue;
                        newData.pinnedResources.add(query);
                        String tag = r.get("tag");
                        if (tag != null && !tag.isEmpty()) {
                            newData.pinGroupTags.add(r.get("tag"));
                            newData.pinnedResourceMap.computeIfAbsent(tag, k -> new HashSet<>()).add(query);
                        }
                    }
                    for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-view-displays", resourceIds)).getData()) {
                        if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;
                        ResourceView view = ResourceView.get(r.get("view"));
                        if (view == null) continue;
                        newData.views.add(view);
                    }
                    data = newData;
                    dataInitialized = true;
                } catch (Exception ex) {
                    logger.error("Error while trying to update space data: {}", ex);
                }
            });
            thread.start();
            dataNeedsUpdate = false;
            return thread;
        }
        return null;
    }

    private void setCoreData(SpaceData data) {
        for (Statement st : rootNanopub.getAssertion()) {
            if (st.getSubject().stringValue().equals(getId())) {
                if (st.getPredicate().equals(OWL.SAMEAS) && st.getObject() instanceof IRI objIri) {
                    data.altIds.add(objIri.stringValue());
                } else if (st.getPredicate().equals(DCTERMS.DESCRIPTION)) {
                    data.description = st.getObject().stringValue();
                } else if (st.getPredicate().stringValue().equals("http://schema.org/startDate")) {
                    try {
                        data.startDate = DatatypeConverter.parseDateTime(st.getObject().stringValue());
                    } catch (IllegalArgumentException ex) {
                        logger.error("Failed to parse date {}", st.getObject().stringValue());
                    }
                } else if (st.getPredicate().stringValue().equals("http://schema.org/endDate")) {
                    try {
                        data.endDate = DatatypeConverter.parseDateTime(st.getObject().stringValue());
                    } catch (IllegalArgumentException ex) {
                        logger.error("Failed to parse date {}", st.getObject().stringValue());
                    }
                } else if (st.getPredicate().equals(HAS_ADMIN) && st.getObject() instanceof IRI obj) {
                    data.addAdmin(obj);
                } else if (st.getPredicate().equals(HAS_PINNED_TEMPLATE) && st.getObject() instanceof IRI obj) {
                    data.pinnedResources.add(TemplateData.get().getTemplate(obj.stringValue()));
                } else if (st.getPredicate().equals(HAS_PINNED_QUERY) && st.getObject() instanceof IRI obj) {
                    data.pinnedResources.add(GrlcQuery.get(obj.stringValue()));
                } else if (st.getPredicate().equals(NTEMPLATE.HAS_DEFAULT_PROVENANCE) && st.getObject() instanceof IRI obj) {
                    data.defaultProvenance = obj;
                }
            } else if (st.getPredicate().equals(NTEMPLATE.HAS_TAG) && st.getObject() instanceof Literal l) {
                data.pinGroupTags.add(l.stringValue());
                Set<Serializable> list = data.pinnedResourceMap.get(l.stringValue());
                if (list == null) {
                    list = new HashSet<>();
                    data.pinnedResourceMap.put(l.stringValue(), list);
                }
                list.add(TemplateData.get().getTemplate(st.getSubject().stringValue()));
            }
        }
    }

    @Override
    public String toString() {
        return id;
    }

}

1	package com.knowledgepixels.nanodash;
2
3	import static com.knowledgepixels.nanodash.Utils.vf;
4
5	import java.io.Serializable;
6	import java.util.ArrayList;
7	import java.util.Calendar;
8	import java.util.Collections;
9	import java.util.HashMap;
10	import java.util.HashSet;
11	import java.util.List;
12	import java.util.Map;
13	import java.util.Set;
14
15	import org.eclipse.rdf4j.model.IRI;
16	import org.eclipse.rdf4j.model.Literal;
17	import org.eclipse.rdf4j.model.Statement;
18	import org.eclipse.rdf4j.model.vocabulary.DCTERMS;
19	import org.eclipse.rdf4j.model.vocabulary.OWL;
20	import org.nanopub.Nanopub;
21	import org.nanopub.extra.services.ApiResponse;
22	import org.nanopub.extra.services.ApiResponseEntry;
23	import org.nanopub.extra.services.QueryRef;
24	import org.nanopub.vocabulary.NTEMPLATE;
25	import org.slf4j.Logger;
26	import org.slf4j.LoggerFactory;
27
28	import com.github.jsonldjava.shaded.com.google.common.collect.Ordering;
29	import com.google.common.collect.ArrayListMultimap;
30	import com.google.common.collect.Multimap;
31	import com.knowledgepixels.nanodash.template.Template;
32	import com.knowledgepixels.nanodash.template.TemplateData;
33
34	import jakarta.xml.bind.DatatypeConverter;
35
36	/**
37	* Class representing a "Space", which can be any kind of collaborative unit, like a project, group, or event.
38	*/
39	public class Space implements Serializable {
40
41	private static final Logger logger = LoggerFactory.getLogger(Space.class);	3✔
42
43	/**
44	* The predicate to assign the admins of the space.
45	*/
46	public static final IRI HAS_ADMIN = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasAdmin");	4✔
47
48	/**
49	* The predicate for pinned templates in the space.
50	*/
51	public static final IRI HAS_PINNED_TEMPLATE = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasPinnedTemplate");	4✔
52
53	/**
54	* The predicate for pinned queries in the space.
55	*/
56	public static final IRI HAS_PINNED_QUERY = vf.createIRI("https://w3id.org/kpxl/gen/terms/hasPinnedQuery");	4✔
57
58	private static List<Space> spaceList;
59	private static Map<String, List<Space>> spaceListByType;
60	private static Map<String, Space> spacesByCoreInfo = new HashMap<>();	4✔
61	private static Map<String, Space> spacesById;
62	private static Map<Space, Set<Space>> subspaceMap;
63	private static Map<Space, Set<Space>> superspaceMap;
64	private static boolean loaded = false;	3✔
65
66	/**
67	* Refresh the list of spaces from the API response.
68	*
69	* @param resp The API response containing space data.
70	*/
71	public static synchronized void refresh(ApiResponse resp) {
72	spaceList = new ArrayList<>();	4✔
73	spaceListByType = new HashMap<>();	4✔
74	Map<String, Space> prevSpacesByCoreInfoPrev = spacesByCoreInfo;	2✔
75	spacesByCoreInfo = new HashMap<>();	4✔
76	spacesById = new HashMap<>();	4✔
77	subspaceMap = new HashMap<>();	4✔
78	superspaceMap = new HashMap<>();	4✔
79	for (ApiResponseEntry entry : resp.getData()) {	11✔
80	Space space = new Space(entry);	5✔
81	Space prevSpace = prevSpacesByCoreInfoPrev.get(space.getCoreInfoString());	6✔
82	if (prevSpace != null) space = prevSpace;	4✔
83	spaceList.add(space);	4✔
84	spaceListByType.computeIfAbsent(space.getType(), k -> new ArrayList<>()).add(space);	13✔
85	spacesByCoreInfo.put(space.getCoreInfoString(), space);	6✔
86	spacesById.put(space.getId(), space);	6✔
87	}	1✔
88	for (Space space : spaceList) {	10✔
89	Space superSpace = space.getIdSuperspace();	3✔
90	if (superSpace == null) continue;	3✔
91	subspaceMap.computeIfAbsent(superSpace, k -> new HashSet<>()).add(space);	12✔
92	superspaceMap.computeIfAbsent(space, k -> new HashSet<>()).add(superSpace);	12✔
93	}	1✔
94	loaded = true;	2✔
95	}	1✔
96
97	/**
98	* Check if the spaces have been loaded.
99	*
100	* @return true if loaded, false otherwise.
101	*/
102	public static boolean isLoaded() {
103	return loaded;	×
104	}
105
106	public static boolean areAllSpacesInitialized() {
107	for (Space space : spaceList) {	×
108	if (!space.isDataInitialized()) return false;	×
109	}	×
110	return true;	×
111	}
112
113	public static void triggerAllDataUpdates() {
114	for (Space space : spaceList) {	×
115	space.triggerDataUpdate();	×
116	}	×
117	}	×
118
119	/**
120	* Ensure that the spaces are loaded, fetching them from the API if necessary.
121	*/
122	public static void ensureLoaded() {
123	if (spaceList == null) {	2✔
124	refresh(QueryApiAccess.forcedGet(new QueryRef("get-spaces")));	6✔
125	}
126	}	1✔
127
128	/**
129	* Get the list of all spaces.
130	*
131	* @return List of spaces.
132	*/
133	public static List<Space> getSpaceList() {
134	ensureLoaded();	×
135	return spaceList;	×
136	}
137
138	/**
139	* Get the list of spaces of a specific type.
140	*
141	* @param type The type of spaces to retrieve.
142	System.err.println("REFRESH...");
143	* @return List of spaces of the specified type.
144	*/
145	public static List<Space> getSpaceList(String type) {
146	ensureLoaded();	×
147	return spaceListByType.computeIfAbsent(type, k -> new ArrayList<>());	×
148	}
149
150	/**
151	* Get a space by its id.
152	*
153	* @param id The id of the space.
154	* @return The corresponding Space object, or null if not found.
155	*/
156	public static Space get(String id) {
157	ensureLoaded();	1✔
158	return spacesById.get(id);	5✔
159	}
160
161	/**
162	* Mark all spaces as needing a data update.
163	*/
164	public static void refresh() {
165	refresh(QueryApiAccess.forcedGet(new QueryRef("get-spaces")));	6✔
166	for (Space space : spaceList) {	10✔
167	space.dataNeedsUpdate = true;	3✔
168	}	1✔
169	}	1✔
170
171	private String id, label, rootNanopubId, type;
172	private Nanopub rootNanopub = null;	3✔
173	private SpaceData data = new SpaceData();	5✔
174
175	private static class SpaceData implements Serializable {	2✔
176
177	List<String> altIds = new ArrayList<>();	5✔
178
179	String description = null;	3✔
180	Calendar startDate, endDate;
181	IRI defaultProvenance = null;	3✔
182
183	List<IRI> admins = new ArrayList<>();	5✔
184	Map<IRI, Set<SpaceMemberRole>> users = new HashMap<>();	5✔
185	List<SpaceMemberRole> roles = new ArrayList<>();	5✔
186	Map<IRI, SpaceMemberRole> roleMap = new HashMap<>();	5✔
187
188	Map<String, IRI> adminPubkeyMap = new HashMap<>();	5✔
189	Set<Serializable> pinnedResources = new HashSet<>();	5✔
190	List<ResourceView> views = new ArrayList<>();	5✔
191	Set<String> pinGroupTags = new HashSet<>();	5✔
192	Map<String, Set<Serializable>> pinnedResourceMap = new HashMap<>();	6✔
193
194	void addAdmin(IRI admin) {
195	// TODO This isn't efficient for long owner lists:
196	if (admins.contains(admin)) return;	5!
197	admins.add(admin);	5✔
198	UserData ud = User.getUserData();	2✔
199	for (String pubkeyhash : ud.getPubkeyhashes(admin, true)) {	14✔
200	adminPubkeyMap.put(pubkeyhash, admin);	6✔
201	}	1✔
202	}	1✔
203
204	}
205
206	private boolean dataInitialized = false;	3✔
207	private boolean dataNeedsUpdate = true;	3✔
208
209	private Space(ApiResponseEntry resp) {	2✔
210	this.id = resp.get("space");	5✔
211	this.label = resp.get("label");	5✔
212	this.type = resp.get("type");	5✔
213	this.rootNanopubId = resp.get("np");	5✔
214	this.rootNanopub = Utils.getAsNanopub(rootNanopubId);	5✔
215	setCoreData(data);	4✔
216	}	1✔
217
218	/**
219	* Get the ID of the space.
220	*
221	* @return The space ID.
222	*/
223	public String getId() {
224	return id;	3✔
225	}
226
227	/**
228	* Get the root nanopublication ID of the space.
229	*
230	* @return The root nanopub ID.
231	*/
232	public String getRootNanopubId() {
233	return rootNanopubId;	×
234	}
235
236	/**
237	* Get a string combining the space ID and root nanopub ID for core identification.
238	*
239	* @return The core info string.
240	*/
241	public String getCoreInfoString() {
242	return id + " " + rootNanopubId;	6✔
243	}
244
245	/**
246	* Get the root nanopublication of the space.
247	*
248	* @return The root Nanopub object.
249	*/
250	public Nanopub getRootNanopub() {
251	return rootNanopub;	×
252	}
253
254	/**
255	* Get the label of the space.
256	*
257	* @return The space label.
258	*/
259	public String getLabel() {
260	return label;	×
261	}
262
263	/**
264	* Get the type of the space.
265	*
266	* @return The space type.
267	*/
268	public String getType() {
269	return type;	3✔
270	}
271
272	/**
273	* Get the start date of the space.
274	*
275	* @return The start date as a Calendar object, or null if not set.
276	*/
277	public Calendar getStartDate() {
278	return data.startDate;	×
279	}
280
281	/**
282	* Get the end date of the space.
283	*
284	* @return The end date as a Calendar object, or null if not set.
285	*/
286	public Calendar getEndDate() {
287	return data.endDate;	×
288	}
289
290	/**
291	* Get a simplified label for the type of space by removing any namespace prefix.
292	*
293	* @return The simplified type label.
294	*/
295	public String getTypeLabel() {
296	return type.replaceFirst("^.*/", "");	×
297	}
298
299	/**
300	* Get the description of the space.
301	*
302	* @return The description string.
303	*/
304	public String getDescription() {
305	return data.description;	×
306	}
307
308	/**
309	* Check if the space data has been initialized.
310	*
311	* @return true if initialized, false otherwise.
312	*/
313	public boolean isDataInitialized() {
314	triggerDataUpdate();	×
315	return dataInitialized;	×
316	}
317
318	/**
319	* Get the list of admins in this space.
320	*
321	* @return List of admin IRIs.
322	*/
323	public List<IRI> getAdmins() {
324	ensureInitialized();	×
325	return data.admins;	×
326	}
327
328	/**
329	* Get the list of members in this space.
330	*
331	* @return List of member IRIs.
332	*/
333	public List<IRI> getUsers() {
334	ensureInitialized();	×
335	List<IRI> users = new ArrayList<IRI>(data.users.keySet());	×
336	users.sort(User.getUserData().userComparator);	×
337	return users;	×
338	}
339
340	/**
341	* Get the roles of a specific member in this space.
342	*
343	* @param userId The IRI of the member.
344	* @return Set of roles assigned to the member, or null if the member is not part of this space.
345	*/
346	public Set<SpaceMemberRole> getMemberRoles(IRI userId) {
347	ensureInitialized();	×
348	return data.users.get(userId);	×
349	}
350
351	/**
352	* Check if a user is a member of this space.
353	*
354	* @param userId The IRI of the user to check.
355	* @return true if the user is a member, false otherwise.
356	*/
357	public boolean isMember(IRI userId) {
358	ensureInitialized();	×
359	return data.users.containsKey(userId);	×
360	}
361
362	public boolean isAdminPubkey(String pubkey) {
363	ensureInitialized();	×
364	return data.adminPubkeyMap.containsKey(pubkey);	×
365	}
366
367	/**
368	* Get the list of pinned resources in this space.
369	*
370	* @return List of pinned resources.
371	*/
372	public Set<Serializable> getPinnedResources() {
373	ensureInitialized();	×
374	return data.pinnedResources;	×
375	}
376
377	/**
378	* Get the set of tags used for grouping pinned resources.
379	*
380	* @return Set of tags.
381	*/
382	public Set<String> getPinGroupTags() {
383	ensureInitialized();	×
384	return data.pinGroupTags;	×
385	}
386
387	/**
388	* Get a map of pinned resources grouped by their tags.
389	*
390	* @return Map where keys are tags and values are lists of pinned resources (Templates or GrlcQueries).
391	*/
392	public Map<String, Set<Serializable>> getPinnedResourceMap() {
393	ensureInitialized();	×
394	return data.pinnedResourceMap;	×
395	}
396
397	/**
398	* Get the list of views (GrlcQueries) associated with this space.
399	*
400	* @return List of GrlcQuery views.
401	*/
402	public List<ResourceView> getViews() {
403	return data.views;	×
404	}
405
406	/**
407	* Get the default provenance IRI for this space.
408	*
409	* @return The default provenance IRI, or null if not set.
410	*/
411	public IRI getDefaultProvenance() {
412	return data.defaultProvenance;	×
413	}
414
415	/**
416	* Get the roles defined in this space.
417	*
418	* @return List of roles.
419	*/
420	public List<SpaceMemberRole> getRoles() {
421	return data.roles;	×
422	}
423
424	/**
425	* Get the super ID of the space.
426	*
427	* @return Always returns null. Use getIdSuperspace() instead.
428	*/
429	public String getSuperId() {
430	return null;	×
431	}
432
433	/**
434	* Get the superspace ID.
435	*
436	* @return The superspace, or null if not applicable.
437	*/
438	public Space getIdSuperspace() {
439	if (!id.matches("https?://[^/]+/./[^/]/?")) return null;	5!
440	String superId = id.replaceFirst("(https?://[^/]+/.)/[^/]/?", "$1");	6✔
441	if (spacesById.containsKey(superId)) {	4✔
442	return spacesById.get(superId);	5✔
443	}
444	return null;	2✔
445	}
446
447	/**
448	* Get superspaces of this space.
449	*
450	* @return List of superspaces.
451	*/
452	public List<Space> getSuperspaces() {
453	if (superspaceMap.containsKey(this)) {	×
454	List<Space> superspaces = new ArrayList<>(superspaceMap.get(this));	×
455	Collections.sort(superspaces, Ordering.usingToString());	×
456	return superspaces;	×
457	}
458	return new ArrayList<>();	×
459	}
460
461	/**
462	* Get subspaces of this space.
463	*
464	* @return List of subspaces.
465	*/
466	public List<Space> getSubspaces() {
467	if (subspaceMap.containsKey(this)) {	×
468	List<Space> subspaces = new ArrayList<>(subspaceMap.get(this));	×
469	Collections.sort(subspaces, Ordering.usingToString());	×
470	return subspaces;	×
471	}
472	return new ArrayList<>();	×
473	}
474
475	/**
476	* Get subspaces of a specific type.
477	*
478	* @param type The type of subspaces to retrieve.
479	* @return List of subspaces of the specified type.
480	*/
481	public List<Space> getSubspaces(String type) {
482	List<Space> l = new ArrayList<>();	×
483	for (Space s : getSubspaces()) {	×
484	if (s.getType().equals(type)) l.add(s);	×
485	}	×
486	return l;	×
487	}
488
489	/**
490	* Get alternative IDs for the space.
491	*
492	* @return List of alternative IDs.
493	*/
494	public List<String> getAltIDs() {
495	return data.altIds;	×
496	}
497
498	private synchronized void ensureInitialized() {
499	Thread thread = triggerDataUpdate();	×
500	if (!dataInitialized && thread != null) {	×
501	try {
502	thread.join();	×
503	} catch (InterruptedException ex) {	×
504	logger.error("failed to join thread", ex);	×
505	}	×
506	}
507	}	×
508
509	private synchronized Thread triggerDataUpdate() {
510	if (dataNeedsUpdate) {	×
511	Thread thread = new Thread(() -> {	×
512	try {
513	SpaceData newData = new SpaceData();	×
514	setCoreData(newData);	×
515
516	newData.roles.add(SpaceMemberRole.ADMIN_ROLE);	×
517	newData.roleMap.put(SpaceMemberRole.HAS_ADMIN_PREDICATE, SpaceMemberRole.ADMIN_ROLE);	×
518
519	// TODO Improve this:
520	Multimap<String, String> spaceIds = ArrayListMultimap.create();	×
521	Multimap<String, String> resourceIds = ArrayListMultimap.create();	×
522	spaceIds.put("space", id);	×
523	resourceIds.put("resource", id);	×
524	for (String id : newData.altIds) {	×
525	spaceIds.put("space", id);	×
526	resourceIds.put("resource", id);	×
527	}	×
528
529	// TODO Is this correct? Shouldn't this be run several times until no new admins are found?
530	for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-admins", spaceIds)).getData()) {	×
531	String pubkeyhash = r.get("pubkey");	×
532	if (newData.adminPubkeyMap.containsKey(pubkeyhash)) {	×
533	IRI adminId = Utils.vf.createIRI(r.get("admin"));	×
534	newData.addAdmin(adminId);	×
535	newData.users.computeIfAbsent(adminId, (k) -> new HashSet<>()).add(SpaceMemberRole.ADMIN_ROLE);	×
536	}
537	}	×
538	newData.admins.sort(User.getUserData().userComparator);	×
539
540	Multimap<String, String> getSpaceMemberParams = ArrayListMultimap.create(spaceIds);	×
541
542	for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-space-member-roles", spaceIds)).getData()) {	×
543	if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;	×
544	SpaceMemberRole role = new SpaceMemberRole(r);	×
545	newData.roles.add(role);	×
546
547	// TODO Handle cases of overlapping properties:
548	for (IRI p : role.getRegularProperties()) newData.roleMap.put(p, role);	×
549	for (IRI p : role.getInverseProperties()) newData.roleMap.put(p, role);	×
550
551	role.addRoleParams(getSpaceMemberParams);	×
552	}	×
553
554	for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-space-members", getSpaceMemberParams)).getData()) {	×
555	IRI memberId = Utils.vf.createIRI(r.get("member"));	×
556	SpaceMemberRole role = newData.roleMap.get(Utils.vf.createIRI(r.get("role")));	×
557	newData.users.computeIfAbsent(memberId, (k) -> new HashSet<>()).add(role);	×
558	}	×
559
560	for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-pinned-templates", spaceIds)).getData()) {	×
561	if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;	×
562	Template t = TemplateData.get().getTemplate(r.get("template"));	×
563	if (t == null) continue;	×
564	newData.pinnedResources.add(t);	×
565	String tag = r.get("tag");	×
566	if (tag != null && !tag.isEmpty()) {	×
567	newData.pinGroupTags.add(r.get("tag"));	×
568	newData.pinnedResourceMap.computeIfAbsent(tag, k -> new HashSet<>()).add(TemplateData.get().getTemplate(r.get("template")));	×
569	}
570	}	×
571	for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-pinned-queries", spaceIds)).getData()) {	×
572	if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;	×
573	GrlcQuery query = GrlcQuery.get(r.get("query"));	×
574	if (query == null) continue;	×
575	newData.pinnedResources.add(query);	×
576	String tag = r.get("tag");	×
577	if (tag != null && !tag.isEmpty()) {	×
578	newData.pinGroupTags.add(r.get("tag"));	×
579	newData.pinnedResourceMap.computeIfAbsent(tag, k -> new HashSet<>()).add(query);	×
580	}
581	}	×
582	for (ApiResponseEntry r : QueryApiAccess.get(new QueryRef("get-view-displays", resourceIds)).getData()) {	×
583	if (!newData.adminPubkeyMap.containsKey(r.get("pubkey"))) continue;	×
584	ResourceView view = ResourceView.get(r.get("view"));	×
585	if (view == null) continue;	×
586	newData.views.add(view);	×
587	}	×
588	data = newData;	×
589	dataInitialized = true;	×
590	} catch (Exception ex) {	×
591	logger.error("Error while trying to update space data: {}", ex);	×
592	}	×
593	});	×
594	thread.start();	×
595	dataNeedsUpdate = false;	×
596	return thread;	×
597	}
598	return null;	×
599	}
600
601	private void setCoreData(SpaceData data) {
602	for (Statement st : rootNanopub.getAssertion()) {	12✔
603	if (st.getSubject().stringValue().equals(getId())) {	7!
604	if (st.getPredicate().equals(OWL.SAMEAS) && st.getObject() instanceof IRI objIri) {	14!
605	data.altIds.add(objIri.stringValue());	7✔
606	} else if (st.getPredicate().equals(DCTERMS.DESCRIPTION)) {	5✔
607	data.description = st.getObject().stringValue();	6✔
608	} else if (st.getPredicate().stringValue().equals("http://schema.org/startDate")) {	6✔
609	try {
610	data.startDate = DatatypeConverter.parseDateTime(st.getObject().stringValue());	6✔
611	} catch (IllegalArgumentException ex) {	×
612	logger.error("Failed to parse date {}", st.getObject().stringValue());	×
613	}	1✔
614	} else if (st.getPredicate().stringValue().equals("http://schema.org/endDate")) {	6✔
615	try {
616	data.endDate = DatatypeConverter.parseDateTime(st.getObject().stringValue());	6✔
617	} catch (IllegalArgumentException ex) {	×
618	logger.error("Failed to parse date {}", st.getObject().stringValue());	×
619	}	1✔
620	} else if (st.getPredicate().equals(HAS_ADMIN) && st.getObject() instanceof IRI obj) {	14!
621	data.addAdmin(obj);	4✔
622	} else if (st.getPredicate().equals(HAS_PINNED_TEMPLATE) && st.getObject() instanceof IRI obj) {	5!
623	data.pinnedResources.add(TemplateData.get().getTemplate(obj.stringValue()));	×
624	} else if (st.getPredicate().equals(HAS_PINNED_QUERY) && st.getObject() instanceof IRI obj) {	5!
625	data.pinnedResources.add(GrlcQuery.get(obj.stringValue()));	×
626	} else if (st.getPredicate().equals(NTEMPLATE.HAS_DEFAULT_PROVENANCE) && st.getObject() instanceof IRI obj) {	5!
627	data.defaultProvenance = obj;	1✔
628	}
629	} else if (st.getPredicate().equals(NTEMPLATE.HAS_TAG) && st.getObject() instanceof Literal l) {	×
630	data.pinGroupTags.add(l.stringValue());	×
631	Set<Serializable> list = data.pinnedResourceMap.get(l.stringValue());	×
632	if (list == null) {	×
633	list = new HashSet<>();	×
634	data.pinnedResourceMap.put(l.stringValue(), list);	×
635	}
636	list.add(TemplateData.get().getTemplate(st.getSubject().stringValue()));	×
637	}
638	}	1✔
639	}	1✔
640
641	@Override
642	public String toString() {
643	return id;	×
644	}
645
646	}

knowledgepixels / nanodash / 18889822546

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