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.GetSelectorNodeChoicesForm;
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 java.util.List;
029import javax.enterprise.context.Dependent;
030import javax.inject.Inject;
031
032@Dependent
033public class GetSelectorNodeChoicesCommand
034        extends BaseSimpleCommand<GetSelectorNodeChoicesForm> {
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("DefaultSelectorNodeChoice", FieldType.ENTITY_NAME, false, null, null),
044                new FieldDefinition("AllowNullChoice", FieldType.BOOLEAN, true, null, null)
045        );
046    }
047
048    @Inject
049    SelectorControl selectorControl;
050
051    
052    /** Creates a new instance of GetSelectorNodeChoicesCommand */
053    public GetSelectorNodeChoicesCommand() {
054        super(null, FORM_FIELD_DEFINITIONS, false);
055    }
056    
057    @Override
058    protected BaseResult execute() {
059        var result = SelectorResultFactory.getGetSelectorNodeChoicesResult();
060        var selectorKindName = form.getSelectorKindName();
061        var selectorKind = selectorControl.getSelectorKindByName(selectorKindName);
062        
063        if(selectorKind != null) {
064            var selectorTypeName = form.getSelectorTypeName();
065            var selectorType = selectorControl.getSelectorTypeByName(selectorKind, selectorTypeName);
066            
067            if(selectorType != null) {
068                var selectorName = form.getSelectorName();
069                var selector = selectorControl.getSelectorByName(selectorType, selectorName);
070                
071                if(selector != null) {
072                    var defaultSelectorNodeChoice = form.getDefaultSelectorNodeChoice();
073                    var language = getPreferredLanguage();
074                    var allowNullChoice = Boolean.parseBoolean(form.getAllowNullChoice());
075                    
076                    result.setSelectorNodeChoices(selectorControl.getSelectorNodeChoices(selector, defaultSelectorNodeChoice,
077                            language, allowNullChoice));
078                } else {
079                    addExecutionError(ExecutionErrors.UnknownSelectorName.name(), selectorName);
080                }
081            } else {
082                addExecutionError(ExecutionErrors.UnknownSelectorTypeName.name(), selectorTypeName);
083            }
084        } else {
085            addExecutionError(ExecutionErrors.UnknownSelectorKindName.name(), selectorKindName);
086        }
087        
088        return result;
089    }
090    
091}