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.GetSelectorNodeDescriptionsForm;
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 GetSelectorNodeDescriptionsCommand
034        extends BaseSimpleCommand<GetSelectorNodeDescriptionsForm> {
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            new FieldDefinition("SelectorNodeName", FieldType.ENTITY_NAME, true, null, null)
044        );
045    }
046    
047    /** Creates a new instance of GetSelectorNodeDescriptionsCommand */
048    public GetSelectorNodeDescriptionsCommand() {
049        super(null, FORM_FIELD_DEFINITIONS, true);
050    }
051    
052    @Override
053    protected BaseResult execute() {
054        var selectorControl = Session.getModelController(SelectorControl.class);
055        var result = SelectorResultFactory.getGetSelectorNodeDescriptionsResult();
056        var selectorKindName = form.getSelectorKindName();
057        var selectorKind = selectorControl.getSelectorKindByName(selectorKindName);
058        
059        if(selectorKind != null) {
060            var selectorTypeName = form.getSelectorTypeName();
061            var selectorType = selectorControl.getSelectorTypeByName(selectorKind, selectorTypeName);
062            
063            result.setSelectorKind(selectorControl.getSelectorKindTransfer(getUserVisit(), selectorKind));
064            
065            if(selectorType != null) {
066                var selectorName = form.getSelectorName();
067                var selector = selectorControl.getSelectorByName(selectorType, selectorName);
068                
069                result.setSelectorType(selectorControl.getSelectorTypeTransfer(getUserVisit(), selectorType));
070                
071                if(selector != null) {
072                    var selectorNodeName = form.getSelectorNodeName();
073                    var selectorNode = selectorControl.getSelectorNodeByName(selector, selectorNodeName);
074                    
075                    result.setSelector(selectorControl.getSelectorTransfer(getUserVisit(), selector));
076                    
077                    if(selectorNode != null) {
078                        result.setSelectorNode(selectorControl.getSelectorNodeTransfer(getUserVisit(), selectorNode));
079                        result.setSelectorNodeDescriptions(selectorControl.getSelectorNodeDescriptionTransfers(getUserVisit(), selectorNode));
080                    } else {
081                        addExecutionError(ExecutionErrors.UnknownSelectorNodeName.name(), selectorNodeName);
082                    }
083                } else {
084                    addExecutionError(ExecutionErrors.UnknownSelectorName.name(), selectorName);
085                }
086            } else {
087                addExecutionError(ExecutionErrors.UnknownSelectorTypeName.name(), selectorTypeName);
088            }
089        } else {
090            addExecutionError(ExecutionErrors.UnknownSelectorKindName.name(), selectorKindName);
091        }
092        
093        return result;
094    }
095    
096}