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.data.user.common.pk.UserVisitPK;
023import com.echothree.util.common.message.ExecutionErrors;
024import com.echothree.util.common.validation.FieldDefinition;
025import com.echothree.util.common.validation.FieldType;
026import com.echothree.util.common.command.BaseResult;
027import com.echothree.util.server.control.BaseSimpleCommand;
028import com.echothree.util.server.persistence.Session;
029import java.util.List;
030import javax.enterprise.context.Dependent;
031
032@Dependent
033public class GetSelectorNodesCommand
034        extends BaseSimpleCommand<GetSelectorNodesForm> {
035    
036    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
037    
038    static {
039        FORM_FIELD_DEFINITIONS = List.of(
040            new FieldDefinition("SelectorKindName", FieldType.ENTITY_NAME, true, null, null),
041            new FieldDefinition("SelectorTypeName", FieldType.ENTITY_NAME, true, null, null),
042            new FieldDefinition("SelectorName", FieldType.ENTITY_NAME, true, null, null)
043        );
044    }
045    
046    /** Creates a new instance of GetSelectorNodesCommand */
047    public GetSelectorNodesCommand() {
048        super(null, FORM_FIELD_DEFINITIONS, true);
049    }
050    
051    @Override
052    protected BaseResult execute() {
053        var selectorControl = Session.getModelController(SelectorControl.class);
054        var result = SelectorResultFactory.getGetSelectorNodesResult();
055        var selectorKindName = form.getSelectorKindName();
056        var selectorKind = selectorControl.getSelectorKindByName(selectorKindName);
057        
058        if(selectorKind != null) {
059            var selectorTypeName = form.getSelectorTypeName();
060            var selectorType = selectorControl.getSelectorTypeByName(selectorKind, selectorTypeName);
061            
062            result.setSelectorKind(selectorControl.getSelectorKindTransfer(getUserVisit(), selectorKind));
063            
064            if(selectorType != null) {
065                var selectorName = form.getSelectorName();
066                var selector = selectorControl.getSelectorByName(selectorType, selectorName);
067                
068                result.setSelectorType(selectorControl.getSelectorTypeTransfer(getUserVisit(), selectorType));
069                
070                if(selector != null) {
071                    result.setSelector(selectorControl.getSelectorTransfer(getUserVisit(), selector));
072                    result.setSelectorNodes(selectorControl.getSelectorNodeTransfersBySelector(getUserVisit(), selector));
073                } else {
074                    addExecutionError(ExecutionErrors.UnknownSelectorName.name(), selectorName);
075                }
076            } else {
077                addExecutionError(ExecutionErrors.UnknownSelectorTypeName.name(), selectorTypeName);
078            }
079        } else {
080            addExecutionError(ExecutionErrors.UnknownSelectorKindName.name(), selectorKindName);
081        }
082        
083        return result;
084    }
085    
086}