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;
034import javax.inject.Inject;
035
036@Dependent
037public class DeleteEntityStringAttributeCommand
038        extends BaseSimpleCommand<DeleteEntityStringAttributeForm> {
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                new FieldDefinition("LanguageIsoName", FieldType.ENTITY_NAME, false, null, null),
055                new FieldDefinition("LanguageUuid", FieldType.ENTITY_NAME, false, null, null)
056        );
057    }
058
059    @Inject
060    EntityAttributeLogic entityAttributeLogic;
061
062    @Inject
063    EntityInstanceLogic entityInstanceLogic;
064
065    @Inject
066    LanguageLogic languageLogic;
067
068    
069    /** Creates a new instance of DeleteEntityStringAttributeCommand */
070    public DeleteEntityStringAttributeCommand() {
071        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
072    }
073    
074    @Override
075    protected BaseResult execute() {
076        var parameterCount = entityInstanceLogic.countPossibleEntitySpecs(form);
077
078        if(parameterCount == 1) {
079            var entityInstance = entityInstanceLogic.getEntityInstance(this, form);
080
081            if(!hasExecutionErrors()) {
082                var entityAttributeName = form.getEntityAttributeName();
083                var entityAttributeUuid = form.getEntityAttributeUuid();
084                
085                parameterCount = (entityAttributeName == null ? 0 : 1) + (entityAttributeUuid == null ? 0 : 1);
086                
087                if(parameterCount == 1) {
088                    var entityAttribute = entityAttributeName == null ?
089                            entityAttributeLogic.getEntityAttributeByUuid(this, entityAttributeUuid) :
090                            entityAttributeLogic.getEntityAttributeByName(this, entityInstance.getEntityType(), entityAttributeName);
091
092                    if(!hasExecutionErrors()) {
093                        if(entityInstance.getEntityType().equals(entityAttribute.getLastDetail().getEntityType())) {
094                            var languageIsoName = form.getLanguageIsoName();
095                            var languageUuid = form.getLanguageUuid();
096                            
097                            parameterCount = (languageIsoName == null ? 0 : 1) + (languageUuid == null ? 0 : 1);
098
099                            if(parameterCount == 1) {
100                                var language = languageIsoName == null ?
101                                        languageLogic.getLanguageByUuid(this, languageUuid) :
102                                        languageLogic.getLanguageByName(this, languageIsoName);
103
104                                if(!hasExecutionErrors()) {
105                                    var entityStringAttribute = coreControl.getEntityStringAttributeForUpdate(entityAttribute, entityInstance, language);
106
107                                    if(entityStringAttribute != null) {
108                                        coreControl.deleteEntityStringAttribute(entityStringAttribute, getPartyPK());
109                                    } else {
110                                        addExecutionError(ExecutionErrors.UnknownEntityStringAttribute.name());
111                                    }
112                                }
113                            } else {
114                                addExecutionError(ExecutionErrors.InvalidParameterCount.name());
115                            }
116                      } else {
117                            addExecutionError(ExecutionErrors.MismatchedEntityType.name());
118                        }
119                    }
120                } else {
121                    addExecutionError(ExecutionErrors.InvalidParameterCount.name());
122                }
123            }
124        } else {
125            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
126        }
127        
128        return null;
129    }
130    
131}