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.control.user.selector.server.command;
018
019import com.echothree.control.user.selector.common.form.GetSelectorNodesForm;
020import com.echothree.control.user.selector.common.result.SelectorResultFactory;
021import com.echothree.model.control.selector.server.control.SelectorControl;
022import com.echothree.model.control.selector.server.logic.SelectorLogic;
023import com.echothree.model.data.selector.server.entity.Selector;
024import com.echothree.model.data.selector.server.entity.SelectorNode;
025import com.echothree.model.data.selector.server.factory.SelectorNodeFactory;
026import com.echothree.util.common.command.BaseResult;
027import com.echothree.util.common.validation.FieldDefinition;
028import com.echothree.util.common.validation.FieldType;
029import com.echothree.util.server.control.BasePaginatedMultipleEntitiesCommand;
030import java.util.Collection;
031import java.util.List;
032import javax.enterprise.context.Dependent;
033import javax.inject.Inject;
034
035@Dependent
036public class GetSelectorNodesCommand
037        extends BasePaginatedMultipleEntitiesCommand<SelectorNode, GetSelectorNodesForm> {
038
039    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
040
041    static {
042        FORM_FIELD_DEFINITIONS = List.of(
043                new FieldDefinition("SelectorKindName", FieldType.ENTITY_NAME, true, null, null),
044                new FieldDefinition("SelectorTypeName", FieldType.ENTITY_NAME, true, null, null),
045                new FieldDefinition("SelectorName", FieldType.ENTITY_NAME, true, null, null)
046        );
047    }
048
049    @Inject
050    SelectorControl selectorControl;
051
052    @Inject
053    SelectorLogic selectorLogic;
054
055    /** Creates a new instance of GetSelectorNodesCommand */
056    public GetSelectorNodesCommand() {
057        super(null, FORM_FIELD_DEFINITIONS, true);
058    }
059
060    private Selector selector;
061
062    @Override
063    protected void handleForm() {
064        selector = selectorLogic.getSelectorByName(this, form.getSelectorKindName(), form.getSelectorTypeName(), form.getSelectorName());
065    }
066
067    @Override
068    protected Long getTotalEntities() {
069        return hasExecutionErrors() ? null : selectorControl.countSelectorNodesBySelector(selector);
070    }
071
072    @Override
073    protected Collection<SelectorNode> getEntities() {
074        return hasExecutionErrors() ? null : selectorControl.getSelectorNodesBySelector(selector);
075    }
076
077    @Override
078    protected BaseResult getResult(Collection<SelectorNode> entities) {
079        var result = SelectorResultFactory.getGetSelectorNodesResult();
080
081        if(entities != null) {
082            var userVisit = getUserVisit();
083
084            result.setSelector(selectorControl.getSelectorTransfer(userVisit, selector));
085
086            if(session.hasLimit(SelectorNodeFactory.class)) {
087                result.setSelectorNodeCount(getTotalEntities());
088            }
089
090            result.setSelectorNodes(selectorControl.getSelectorNodeTransfersBySelector(userVisit, selector));
091        }
092
093        return result;
094    }
095
096}