001// --------------------------------------------------------------------------------
002// Copyright 2002-2026 Echo Three, LLC
003//
004// Licensed under the Apache License, Version 2.0 (the "License");
005// you may not use this file except in compliance with the License.
006// You may obtain a copy of the License at
007//
008//     http://www.apache.org/licenses/LICENSE-2.0
009//
010// Unless required by applicable law or agreed to in writing, software
011// distributed under the License is distributed on an "AS IS" BASIS,
012// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013// See the License for the specific language governing permissions and
014// limitations under the License.
015// --------------------------------------------------------------------------------
016
017package com.echothree.model.control.core.server.graphql;
018
019import com.echothree.model.control.core.server.control.LinkDirectionalityControl;
020import com.echothree.model.control.core.server.control.LinkTypeControl;
021import com.echothree.model.control.graphql.server.graphql.BaseEntityInstanceObject;
022import com.echothree.model.control.graphql.server.graphql.count.Connections;
023import com.echothree.model.control.graphql.server.graphql.count.CountedObjects;
024import com.echothree.model.control.graphql.server.graphql.count.CountingDataConnectionFetcher;
025import com.echothree.model.control.graphql.server.graphql.count.CountingPaginatedData;
026import com.echothree.model.control.graphql.server.util.BaseGraphQl;
027import com.echothree.model.control.graphql.server.util.count.ObjectLimiter;
028import com.echothree.model.control.user.server.control.UserControl;
029import com.echothree.model.data.core.common.LinkTypeConstants;
030import com.echothree.model.data.core.server.entity.LinkDirectionality;
031import com.echothree.model.data.core.server.entity.LinkDirectionalityDetail;
032import com.echothree.util.server.persistence.Session;
033import graphql.annotations.annotationTypes.GraphQLDescription;
034import graphql.annotations.annotationTypes.GraphQLField;
035import graphql.annotations.annotationTypes.GraphQLName;
036import graphql.annotations.annotationTypes.GraphQLNonNull;
037import graphql.annotations.connection.GraphQLConnection;
038import graphql.schema.DataFetchingEnvironment;
039import java.util.ArrayList;
040import java.util.stream.Collectors;
041
042@GraphQLDescription("link directionality object")
043@GraphQLName("LinkDirectionality")
044public class LinkDirectionalityObject
045        extends BaseEntityInstanceObject {
046
047    private final LinkDirectionality linkDirectionality; // Always Present
048
049    public LinkDirectionalityObject(final LinkDirectionality linkDirectionality) {
050        super(linkDirectionality.getPrimaryKey());
051
052        this.linkDirectionality = linkDirectionality;
053    }
054
055    private LinkDirectionalityDetail linkDirectionalityDetail; // Optional, use getLinkDirectionalityDetail()
056
057    private LinkDirectionalityDetail getLinkDirectionalityDetail() {
058        if(linkDirectionalityDetail == null) {
059            linkDirectionalityDetail = linkDirectionality.getLastDetail();
060        }
061
062        return linkDirectionalityDetail;
063    }
064
065    @GraphQLField
066    @GraphQLDescription("link directionality name")
067    @GraphQLNonNull
068    public String getLinkDirectionalityName() {
069        return getLinkDirectionalityDetail().getLinkDirectionalityName();
070    }
071
072    @GraphQLField
073    @GraphQLDescription("is default")
074    @GraphQLNonNull
075    public boolean getIsDefault() {
076        return getLinkDirectionalityDetail().getIsDefault();
077    }
078
079    @GraphQLField
080    @GraphQLDescription("sort order")
081    @GraphQLNonNull
082    public int getSortOrder() {
083        return getLinkDirectionalityDetail().getSortOrder();
084    }
085
086    @GraphQLField
087    @GraphQLDescription("description")
088    @GraphQLNonNull
089    public String getDescription(final DataFetchingEnvironment env) {
090        var linkDirectionalityControl = Session.getModelController(LinkDirectionalityControl.class);
091        var userControl = Session.getModelController(UserControl.class);
092
093        return linkDirectionalityControl.getBestLinkDirectionalityDescription(linkDirectionality, userControl.getPreferredLanguageFromUserVisit(BaseGraphQl.getUserVisit(env)));
094    }
095
096    @GraphQLField
097    @GraphQLDescription("link types")
098    @GraphQLNonNull
099    @GraphQLConnection(connectionFetcher = CountingDataConnectionFetcher.class)
100    public CountingPaginatedData<LinkTypeObject> getLinkTypes(final DataFetchingEnvironment env) {
101        if(CoreSecurityUtils.getHasLinkTypesAccess(env)) {
102            var linkTypeControl = Session.getModelController(LinkTypeControl.class);
103            var condition = linkTypeControl.getLinkTypeFilter(null, null, null, null, linkDirectionality, null);
104            var totalCount = linkTypeControl.countLinkTypes(condition);
105
106            try(var objectLimiter = new ObjectLimiter(env, LinkTypeConstants.COMPONENT_VENDOR_NAME,
107                    LinkTypeConstants.ENTITY_TYPE_NAME, totalCount)) {
108                var entities = linkTypeControl.getLinkTypes(condition);
109                var linkTypes = entities.stream()
110                        .map(LinkTypeObject::new)
111                        .collect(Collectors.toCollection(() -> new ArrayList<>(entities.size())));
112
113                return new CountedObjects<>(objectLimiter, linkTypes);
114            }
115        } else {
116            return Connections.emptyConnection();
117        }
118    }
119
120}