001// --------------------------------------------------------------------------------
002// Copyright 2002-2025 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.Arrays;
030import java.util.Collections;
031import java.util.List;
032import javax.enterprise.context.RequestScoped;
033
034@RequestScoped
035public class GetSelectorNodesCommand
036        extends BaseSimpleCommand<GetSelectorNodesForm> {
037    
038    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
039    
040    static {
041        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
042            new FieldDefinition("SelectorKindName", FieldType.ENTITY_NAME, true, null, null),
043            new FieldDefinition("SelectorTypeName", FieldType.ENTITY_NAME, true, null, null),
044            new FieldDefinition("SelectorName", FieldType.ENTITY_NAME, true, null, null)
045        ));
046    }
047    
048    /** Creates a new instance of GetSelectorNodesCommand */
049    public GetSelectorNodesCommand() {
050        super(null, FORM_FIELD_DEFINITIONS, true);
051    }
052    
053    @Override
054    protected BaseResult execute() {
055        var selectorControl = Session.getModelController(SelectorControl.class);
056        var result = SelectorResultFactory.getGetSelectorNodesResult();
057        var selectorKindName = form.getSelectorKindName();
058        var selectorKind = selectorControl.getSelectorKindByName(selectorKindName);
059        
060        if(selectorKind != null) {
061            var selectorTypeName = form.getSelectorTypeName();
062            var selectorType = selectorControl.getSelectorTypeByName(selectorKind, selectorTypeName);
063            
064            result.setSelectorKind(selectorControl.getSelectorKindTransfer(getUserVisit(), selectorKind));
065            
066            if(selectorType != null) {
067                var selectorName = form.getSelectorName();
068                var selector = selectorControl.getSelectorByName(selectorType, selectorName);
069                
070                result.setSelectorType(selectorControl.getSelectorTypeTransfer(getUserVisit(), selectorType));
071                
072                if(selector != null) {
073                    result.setSelector(selectorControl.getSelectorTransfer(getUserVisit(), selector));
074                    result.setSelectorNodes(selectorControl.getSelectorNodeTransfersBySelector(getUserVisit(), selector));
075                } else {
076                    addExecutionError(ExecutionErrors.UnknownSelectorName.name(), selectorName);
077                }
078            } else {
079                addExecutionError(ExecutionErrors.UnknownSelectorTypeName.name(), selectorTypeName);
080            }
081        } else {
082            addExecutionError(ExecutionErrors.UnknownSelectorKindName.name(), selectorKindName);
083        }
084        
085        return result;
086    }
087    
088}