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.DeleteEntityDateAttributeForm;
020import com.echothree.model.control.core.server.logic.EntityAttributeLogic;
021import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
022import com.echothree.model.control.party.common.PartyTypes;
023import com.echothree.model.data.user.common.pk.UserVisitPK;
024import com.echothree.util.common.message.ExecutionErrors;
025import com.echothree.util.common.validation.FieldDefinition;
026import com.echothree.util.common.validation.FieldType;
027import com.echothree.util.common.command.BaseResult;
028import com.echothree.util.server.control.BaseSimpleCommand;
029import com.echothree.util.server.control.CommandSecurityDefinition;
030import com.echothree.util.server.control.PartyTypeDefinition;
031import java.util.List;
032import javax.enterprise.context.Dependent;
033
034@Dependent
035public class DeleteEntityDateAttributeCommand
036        extends BaseSimpleCommand<DeleteEntityDateAttributeForm> {
037
038    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
039    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
040    
041    static {
042        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
043                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
044                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), null)
045        ));
046
047        FORM_FIELD_DEFINITIONS = List.of(
048                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
049                new FieldDefinition("Uuid", FieldType.UUID, false, null, null),
050                new FieldDefinition("EntityAttributeName", FieldType.ENTITY_NAME, false, null, null),
051                new FieldDefinition("EntityAttributeUuid", FieldType.UUID, false, null, null)
052                );
053    }
054    
055    /** Creates a new instance of DeleteEntityDateAttributeCommand */
056    public DeleteEntityDateAttributeCommand() {
057        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
058    }
059    
060    @Override
061    protected BaseResult execute() {
062        var parameterCount = EntityInstanceLogic.getInstance().countPossibleEntitySpecs(form);
063
064        if(parameterCount == 1) {
065            var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(this, form);
066
067            if(!hasExecutionErrors()) {
068                var entityAttributeName = form.getEntityAttributeName();
069                var entityAttributeUuid = form.getEntityAttributeUuid();
070
071                parameterCount = (entityAttributeName == null ? 0 : 1) + (entityAttributeUuid == null ? 0 : 1);
072
073                if(parameterCount == 1) {
074                    var entityAttribute = entityAttributeName == null ?
075                            EntityAttributeLogic.getInstance().getEntityAttributeByUuid(this, entityAttributeUuid) :
076                            EntityAttributeLogic.getInstance().getEntityAttributeByName(this, entityInstance.getEntityType(), entityAttributeName);
077
078                    if(!hasExecutionErrors()) {
079                        if(entityInstance.getEntityType().equals(entityAttribute.getLastDetail().getEntityType())) {
080                            var entityDateAttribute = coreControl.getEntityDateAttributeForUpdate(entityAttribute, entityInstance);
081
082                            if(entityDateAttribute != null) {
083                                coreControl.deleteEntityDateAttribute(entityDateAttribute, getPartyPK());
084                            } else {
085                                addExecutionError(ExecutionErrors.UnknownEntityDateAttribute.name());
086                            }
087                        } else {
088                            addExecutionError(ExecutionErrors.MismatchedEntityType.name());
089                        }
090                    }
091                } else {
092                    addExecutionError(ExecutionErrors.InvalidParameterCount.name());
093                }
094            }
095        } else {
096            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
097        }
098
099        return null;
100    }
101    
102}