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.GetSelectorChoicesForm;
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 GetSelectorChoicesCommand
036        extends BaseSimpleCommand<GetSelectorChoicesForm> {
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("DefaultSelectorChoice", FieldType.ENTITY_NAME, false, null, null),
045            new FieldDefinition("AllowNullChoice", FieldType.BOOLEAN, true, null, null)
046        ));
047    }
048    
049    /** Creates a new instance of GetSelectorChoicesCommand */
050    public GetSelectorChoicesCommand() {
051        super(null, FORM_FIELD_DEFINITIONS, false);
052    }
053    
054    @Override
055    protected BaseResult execute() {
056        var selectorControl = Session.getModelController(SelectorControl.class);
057        var result = SelectorResultFactory.getGetSelectorChoicesResult();
058        var selectorKindName = form.getSelectorKindName();
059        var selectorKind = selectorControl.getSelectorKindByName(selectorKindName);
060        
061        if(selectorKind != null) {
062            var selectorTypeName = form.getSelectorTypeName();
063            var selectorType = selectorControl.getSelectorTypeByName(selectorKind, selectorTypeName);
064            
065            if(selectorType != null) {
066                var defaultSelectorChoice = form.getDefaultSelectorChoice();
067                var language = getPreferredLanguage();
068                var allowNullChoice = Boolean.parseBoolean(form.getAllowNullChoice());
069                
070                result.setSelectorChoices(selectorControl.getSelectorChoices(selectorType, defaultSelectorChoice, language, allowNullChoice));
071            } else {
072                addExecutionError(ExecutionErrors.UnknownSelectorTypeName.name(), selectorTypeName);
073            }
074        } else {
075            addExecutionError(ExecutionErrors.UnknownSelectorKindName.name(), selectorKindName);
076        }
077        
078        return result;
079    }
080    
081}