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.DeleteEntityStringAttributeForm;
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.control.party.server.logic.LanguageLogic;
024import com.echothree.model.data.user.common.pk.UserVisitPK;
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.common.command.BaseResult;
029import com.echothree.util.server.control.BaseSimpleCommand;
030import com.echothree.util.server.control.CommandSecurityDefinition;
031import com.echothree.util.server.control.PartyTypeDefinition;
032import java.util.List;
033import javax.enterprise.context.Dependent;
034
035@Dependent
036public class DeleteEntityStringAttributeCommand
037        extends BaseSimpleCommand<DeleteEntityStringAttributeForm> {
038
039    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
040    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
041    
042    static {
043        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
044                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
045                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), null)
046        ));
047
048        FORM_FIELD_DEFINITIONS = List.of(
049                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
050                new FieldDefinition("Uuid", FieldType.UUID, false, null, null),
051                new FieldDefinition("EntityAttributeName", FieldType.ENTITY_NAME, false, null, null),
052                new FieldDefinition("EntityAttributeUuid", FieldType.UUID, false, null, null),
053                new FieldDefinition("LanguageIsoName", FieldType.ENTITY_NAME, false, null, null),
054                new FieldDefinition("LanguageUuid", FieldType.ENTITY_NAME, false, null, null)
055                );
056    }
057    
058    /** Creates a new instance of DeleteEntityStringAttributeCommand */
059    public DeleteEntityStringAttributeCommand() {
060        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
061    }
062    
063    @Override
064    protected BaseResult execute() {
065        var parameterCount = EntityInstanceLogic.getInstance().countPossibleEntitySpecs(form);
066
067        if(parameterCount == 1) {
068            var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(this, form);
069
070            if(!hasExecutionErrors()) {
071                var entityAttributeName = form.getEntityAttributeName();
072                var entityAttributeUuid = form.getEntityAttributeUuid();
073                
074                parameterCount = (entityAttributeName == null ? 0 : 1) + (entityAttributeUuid == null ? 0 : 1);
075                
076                if(parameterCount == 1) {
077                    var entityAttribute = entityAttributeName == null ?
078                            EntityAttributeLogic.getInstance().getEntityAttributeByUuid(this, entityAttributeUuid) :
079                            EntityAttributeLogic.getInstance().getEntityAttributeByName(this, entityInstance.getEntityType(), entityAttributeName);
080
081                    if(!hasExecutionErrors()) {
082                        if(entityInstance.getEntityType().equals(entityAttribute.getLastDetail().getEntityType())) {
083                            var languageIsoName = form.getLanguageIsoName();
084                            var languageUuid = form.getLanguageUuid();
085                            
086                            parameterCount = (languageIsoName == null ? 0 : 1) + (languageUuid == null ? 0 : 1);
087
088                            if(parameterCount == 1) {
089                                var language = languageIsoName == null ?
090                                        LanguageLogic.getInstance().getLanguageByUuid(this, languageUuid) :
091                                        LanguageLogic.getInstance().getLanguageByName(this, languageIsoName);
092
093                                if(!hasExecutionErrors()) {
094                                    var entityStringAttribute = coreControl.getEntityStringAttributeForUpdate(entityAttribute, entityInstance, language);
095
096                                    if(entityStringAttribute != null) {
097                                        coreControl.deleteEntityStringAttribute(entityStringAttribute, getPartyPK());
098                                    } else {
099                                        addExecutionError(ExecutionErrors.UnknownEntityStringAttribute.name());
100                                    }
101                                }
102                            } else {
103                                addExecutionError(ExecutionErrors.InvalidParameterCount.name());
104                            }
105                      } else {
106                            addExecutionError(ExecutionErrors.MismatchedEntityType.name());
107                        }
108                    }
109                } else {
110                    addExecutionError(ExecutionErrors.InvalidParameterCount.name());
111                }
112            }
113        } else {
114            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
115        }
116        
117        return null;
118    }
119    
120}