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.CreateEntityBlobAttributeForm;
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.core.server.logic.MimeTypeLogic;
024import com.echothree.model.control.party.common.PartyTypes;
025import com.echothree.model.control.party.server.logic.LanguageLogic;
026import com.echothree.model.data.user.common.pk.UserVisitPK;
027import com.echothree.util.common.message.ExecutionErrors;
028import com.echothree.util.common.validation.FieldDefinition;
029import com.echothree.util.common.validation.FieldType;
030import com.echothree.util.common.command.BaseResult;
031import com.echothree.util.server.control.BaseSimpleCommand;
032import com.echothree.util.server.control.CommandSecurityDefinition;
033import com.echothree.util.server.control.PartyTypeDefinition;
034import java.util.List;
035import javax.enterprise.context.Dependent;
036import javax.inject.Inject;
037
038@Dependent
039public class CreateEntityBlobAttributeCommand
040        extends BaseSimpleCommand<CreateEntityBlobAttributeForm> {
041
042    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
043    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
044    
045    static {
046        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
047                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
048                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), null)
049        ));
050
051        FORM_FIELD_DEFINITIONS = List.of(
052                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
053                new FieldDefinition("Uuid", FieldType.UUID, false, null, null),
054                new FieldDefinition("EntityAttributeName", FieldType.ENTITY_NAME, false, null, null),
055                new FieldDefinition("EntityAttributeUuid", FieldType.UUID, false, null, null),
056                new FieldDefinition("LanguageIsoName", FieldType.ENTITY_NAME, false, null, null),
057                new FieldDefinition("LanguageUuid", FieldType.ENTITY_NAME, false, null, null),
058                new FieldDefinition("MimeTypeName", FieldType.MIME_TYPE, true, null, null)
059        );
060    }
061
062    @Inject
063    EntityAttributeLogic entityAttributeLogic;
064
065    @Inject
066    EntityInstanceLogic entityInstanceLogic;
067
068    @Inject
069    LanguageLogic languageLogic;
070
071    @Inject
072    MimeTypeLogic mimeTypeLogic;
073
074    
075    /** Creates a new instance of CreateEntityBlobAttributeCommand */
076    public CreateEntityBlobAttributeCommand() {
077        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
078    }
079    
080    @Override
081    protected BaseResult execute() {
082        var parameterCount = entityInstanceLogic.countPossibleEntitySpecs(form);
083
084        if(parameterCount == 1) {
085            var entityInstance = entityInstanceLogic.getEntityInstance(this, form);
086
087            if(!hasExecutionErrors()) {
088                var entityAttributeName = form.getEntityAttributeName();
089                var entityAttributeUuid = form.getEntityAttributeUuid();
090                
091                parameterCount = (entityAttributeName == null ? 0 : 1) + (entityAttributeUuid == null ? 0 : 1);
092                
093                if(parameterCount == 1) {
094                    var entityAttribute = entityAttributeName == null ?
095                            entityAttributeLogic.getEntityAttributeByUuid(this, entityAttributeUuid) :
096                            entityAttributeLogic.getEntityAttributeByName(this, entityInstance.getEntityType(), entityAttributeName);
097
098                    if(!hasExecutionErrors()) {
099                        var entityAttributeTypeName = entityAttribute.getLastDetail().getEntityAttributeType().getEntityAttributeTypeName();
100
101                        if(EntityAttributeTypes.BLOB.name().equals(entityAttributeTypeName)) {
102                            if(entityInstance.getEntityType().equals(entityAttribute.getLastDetail().getEntityType())) {
103                                var languageIsoName = form.getLanguageIsoName();
104                                var languageUuid = form.getLanguageUuid();
105
106                                parameterCount = (languageIsoName == null ? 0 : 1) + (languageUuid == null ? 0 : 1);
107
108                                if(parameterCount == 1) {
109                                    var language = languageIsoName == null ?
110                                            languageLogic.getLanguageByUuid(this, languageUuid) :
111                                            languageLogic.getLanguageByName(this, languageIsoName);
112
113                                    if(!hasExecutionErrors()) {
114                                        var entityBlobAttribute = coreControl.getEntityBlobAttribute(entityAttribute, entityInstance, language);
115
116                                        if(entityBlobAttribute == null) {
117                                            var mimeType = mimeTypeLogic.getMimeTypeByName(this, form.getMimeTypeName());
118
119                                            if(!hasExecutionErrors()) {
120                                                if(mimeType.getLastDetail().getEntityAttributeType().getEntityAttributeTypeName().equals(EntityAttributeTypes.BLOB.name())) {
121                                                    var blobAttribute = form.getBlobAttribute();
122
123                                                    if(blobAttribute != null) {
124                                                        coreControl.createEntityBlobAttribute(entityAttribute, entityInstance, language, blobAttribute, mimeType, getPartyPK());
125                                                    } else {
126                                                        addExecutionError(ExecutionErrors.MissingBlobAttribute.name());
127                                                    }
128                                                } else {
129                                                    addExecutionError(ExecutionErrors.InvalidMimeType.name(), mimeType.getLastDetail().getMimeTypeName());
130                                                }
131                                            }
132                                        } else {
133                                            addExecutionError(ExecutionErrors.DuplicateEntityBlobAttribute.name(),
134                                                    entityInstanceLogic.getEntityRefFromEntityInstance(entityInstance),
135                                                    entityAttribute.getLastDetail().getEntityAttributeName(),
136                                                    language.getLanguageIsoName());
137                                        }
138                                    }
139                                }
140                            } else {
141                                var expectedEntityTypeDetail = entityAttribute.getLastDetail().getEntityType().getLastDetail();
142                                var suppliedEntityTypeDetail = entityInstance.getEntityType().getLastDetail();
143
144                                addExecutionError(ExecutionErrors.MismatchedEntityType.name(),
145                                        expectedEntityTypeDetail.getComponentVendor().getLastDetail().getComponentVendorName(),
146                                        expectedEntityTypeDetail.getEntityTypeName(),
147                                        suppliedEntityTypeDetail.getComponentVendor().getLastDetail().getComponentVendorName(),
148                                        suppliedEntityTypeDetail.getEntityTypeName());
149                            }
150                        } else {
151                            addExecutionError(ExecutionErrors.MismatchedEntityAttributeType.name(),
152                                    EntityAttributeTypes.BLOB.name(), entityAttributeTypeName);
153                        }
154                    }
155                } else {
156                    addExecutionError(ExecutionErrors.InvalidParameterCount.name());
157                }
158            }
159        } else {
160            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
161        }
162        
163        return null;
164    }
165    
166}