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.core.server.command;
018
019import com.echothree.control.user.core.common.form.GetEntityClobAttributeForm;
020import com.echothree.control.user.core.common.result.CoreResultFactory;
021import com.echothree.model.control.core.server.control.EntityInstanceControl;
022import com.echothree.model.control.party.server.control.PartyControl;
023import com.echothree.model.data.user.common.pk.UserVisitPK;
024import com.echothree.util.common.command.BaseResult;
025import com.echothree.util.common.message.ExecutionErrors;
026import com.echothree.util.common.validation.FieldDefinition;
027import com.echothree.util.common.validation.FieldType;
028import com.echothree.util.server.control.BaseSimpleCommand;
029import com.echothree.util.server.persistence.Session;
030import java.util.Arrays;
031import java.util.Collections;
032import java.util.List;
033import javax.enterprise.context.RequestScoped;
034
035@RequestScoped
036public class GetEntityClobAttributeCommand
037        extends BaseSimpleCommand<GetEntityClobAttributeForm> {
038    
039    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
040    
041    static {
042        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
043                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, true, null, null),
044                new FieldDefinition("EntityAttributeName", FieldType.ENTITY_NAME, true, null, null),
045                new FieldDefinition("LanguageIsoName", FieldType.ENTITY_NAME, false, null, null)
046                ));
047    }
048    
049    /** Creates a new instance of GetEntityClobAttributeCommand */
050    public GetEntityClobAttributeCommand() {
051        super(null, FORM_FIELD_DEFINITIONS, false);
052    }
053    
054    @Override
055    protected BaseResult execute() {
056        var entityInstanceControl = Session.getModelController(EntityInstanceControl.class);
057        var result = CoreResultFactory.getGetEntityClobAttributeResult();
058        var entityRef = form.getEntityRef();
059        var entityInstance = entityInstanceControl.getEntityInstanceByEntityRef(entityRef);
060        
061        if(entityInstance != null) {
062            var entityAttributeName = form.getEntityAttributeName();
063            var entityAttribute = coreControl.getEntityAttributeByName(entityInstance.getEntityType(), entityAttributeName);
064            
065            if(entityAttribute != null) {
066                var partyControl = Session.getModelController(PartyControl.class);
067                var languageIsoName = form.getLanguageIsoName();
068                var language = languageIsoName == null ? null : partyControl.getLanguageByIsoName(languageIsoName);
069                
070                if(language != null) {
071                    var entityClobAttribute = language == null ? coreControl.getBestEntityClobAttribute(entityAttribute, entityInstance, getPreferredLanguage())
072                            : coreControl.getEntityClobAttribute(entityAttribute, entityInstance, language);
073                    
074                    if(entityClobAttribute != null) {
075                        result.setEntityClobAttribute(coreControl.getEntityClobAttributeTransfer(getUserVisit(), entityClobAttribute, entityInstance));
076                    } else {
077                        var entityTypeDetail = entityInstance.getEntityType().getLastDetail();
078
079                        addExecutionError(ExecutionErrors.UnknownEntityClobAttribute.name(), entityRef,
080                                entityTypeDetail.getComponentVendor().getLastDetail().getComponentVendorName(),
081                                entityTypeDetail.getEntityTypeName(), entityAttributeName, languageIsoName);
082                    }
083                } else {
084                    addExecutionError(ExecutionErrors.UnknownLanguageIsoName.name(), languageIsoName);
085                }
086            } else {
087                var entityTypeDetail = entityInstance.getEntityType().getLastDetail();
088                
089                addExecutionError(ExecutionErrors.UnknownEntityAttributeName.name(), entityTypeDetail.getComponentVendor().getLastDetail().getComponentVendorName(),
090                        entityTypeDetail.getEntityTypeName(), entityAttributeName);
091            }
092        } else {
093            addExecutionError(ExecutionErrors.UnknownEntityRef.name(), entityRef);
094        }
095        
096        return result;
097    }
098    
099}