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.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.RequestScoped;
035
036@RequestScoped
037public class DeleteEntityEntityAttributeCommand
038        extends BaseSimpleCommand<DeleteEntityEntityAttributeForm> {
039
040    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
041    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
042    
043    static {
044        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
045                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
046                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), null)
047        ));
048
049        FORM_FIELD_DEFINITIONS = List.of(
050                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
051                new FieldDefinition("Uuid", FieldType.UUID, false, null, null),
052                new FieldDefinition("EntityAttributeName", FieldType.ENTITY_NAME, false, null, null),
053                new FieldDefinition("EntityAttributeUuid", FieldType.UUID, false, null, null)
054        );
055    }
056    
057    /** Creates a new instance of DeleteEntityEntityAttributeCommand */
058    public DeleteEntityEntityAttributeCommand() {
059        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
060    }
061    
062    @Override
063    protected BaseResult execute() {
064        var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(this, form);
065
066        if(!hasExecutionErrors()) {
067            var entityAttribute = EntityAttributeLogic.getInstance().getEntityAttribute(this, entityInstance, form, form,
068                    EntityAttributeTypes.ENTITY);
069
070            if(!hasExecutionErrors()) {
071                var entityEntityAttribute = coreControl.getEntityEntityAttributeForUpdate(entityAttribute, entityInstance);
072                
073                if(entityEntityAttribute != null) {
074                    coreControl.deleteEntityEntityAttribute(entityEntityAttribute, getPartyPK());
075                } else {
076                    var basePK = PersistenceUtils.getInstance().getBasePKFromEntityInstance(entityInstance);
077                    var entityTypeDetail = entityInstance.getEntityType().getLastDetail();
078
079                    addExecutionError(ExecutionErrors.UnknownEntityEntityAttribute.name(), basePK.getEntityRef(),
080                            entityTypeDetail.getComponentVendor().getLastDetail().getComponentVendorName(),
081                            entityTypeDetail.getEntityTypeName(), entityAttribute.getLastDetail().getEntityAttributeName());
082                }
083            }
084        }
085        
086        return null;
087    }
088    
089}