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.core.server.command;
018
019import com.echothree.control.user.core.common.form.DeleteEntityEntityAttributeForm;
020import com.echothree.model.control.core.common.EntityAttributeTypes;
021import com.echothree.model.control.core.server.logic.EntityAttributeLogic;
022import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
023import com.echothree.model.control.party.common.PartyTypes;
024import com.echothree.model.data.user.common.pk.UserVisitPK;
025import com.echothree.util.common.command.BaseResult;
026import com.echothree.util.common.message.ExecutionErrors;
027import com.echothree.util.common.validation.FieldDefinition;
028import com.echothree.util.common.validation.FieldType;
029import com.echothree.util.server.control.BaseSimpleCommand;
030import com.echothree.util.server.control.CommandSecurityDefinition;
031import com.echothree.util.server.control.PartyTypeDefinition;
032import com.echothree.util.server.persistence.PersistenceUtils;
033import java.util.List;
034import javax.enterprise.context.Dependent;
035import javax.inject.Inject;
036
037@Dependent
038public class DeleteEntityEntityAttributeCommand
039        extends BaseSimpleCommand<DeleteEntityEntityAttributeForm> {
040
041    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
042    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
043    
044    static {
045        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
046                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
047                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), null)
048        ));
049
050        FORM_FIELD_DEFINITIONS = List.of(
051                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
052                new FieldDefinition("Uuid", FieldType.UUID, false, null, null),
053                new FieldDefinition("EntityAttributeName", FieldType.ENTITY_NAME, false, null, null),
054                new FieldDefinition("EntityAttributeUuid", FieldType.UUID, false, null, null)
055        );
056    }
057
058    @Inject
059    EntityAttributeLogic entityAttributeLogic;
060
061    @Inject
062    EntityInstanceLogic entityInstanceLogic;
063
064    
065    /** Creates a new instance of DeleteEntityEntityAttributeCommand */
066    public DeleteEntityEntityAttributeCommand() {
067        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
068    }
069    
070    @Override
071    protected BaseResult execute() {
072        var entityInstance = entityInstanceLogic.getEntityInstance(this, form);
073
074        if(!hasExecutionErrors()) {
075            var entityAttribute = entityAttributeLogic.getEntityAttribute(this, entityInstance, form, form,
076                    EntityAttributeTypes.ENTITY);
077
078            if(!hasExecutionErrors()) {
079                var entityEntityAttribute = coreControl.getEntityEntityAttributeForUpdate(entityAttribute, entityInstance);
080                
081                if(entityEntityAttribute != null) {
082                    coreControl.deleteEntityEntityAttribute(entityEntityAttribute, getPartyPK());
083                } else {
084                    var basePK = PersistenceUtils.getInstance().getBasePKFromEntityInstance(entityInstance);
085                    var entityTypeDetail = entityInstance.getEntityType().getLastDetail();
086
087                    addExecutionError(ExecutionErrors.UnknownEntityEntityAttribute.name(), basePK.getEntityRef(),
088                            entityTypeDetail.getComponentVendor().getLastDetail().getComponentVendorName(),
089                            entityTypeDetail.getEntityTypeName(), entityAttribute.getLastDetail().getEntityAttributeName());
090                }
091            }
092        }
093        
094        return null;
095    }
096    
097}