001// --------------------------------------------------------------------------------
002// Copyright 2002-2024 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.core.server.entity.EntityAttribute;
027import com.echothree.model.data.core.server.entity.EntityBlobAttribute;
028import com.echothree.model.data.core.server.entity.EntityInstance;
029import com.echothree.model.data.core.server.entity.EntityTypeDetail;
030import com.echothree.model.data.core.server.entity.MimeType;
031import com.echothree.model.data.party.server.entity.Language;
032import com.echothree.model.data.user.common.pk.UserVisitPK;
033import com.echothree.util.common.message.ExecutionErrors;
034import com.echothree.util.common.validation.FieldDefinition;
035import com.echothree.util.common.validation.FieldType;
036import com.echothree.util.common.command.BaseResult;
037import com.echothree.util.common.persistence.type.ByteArray;
038import com.echothree.util.server.control.BaseSimpleCommand;
039import com.echothree.util.server.control.CommandSecurityDefinition;
040import com.echothree.util.server.control.PartyTypeDefinition;
041import java.util.Arrays;
042import java.util.Collections;
043import java.util.List;
044
045public class CreateEntityBlobAttributeCommand
046        extends BaseSimpleCommand<CreateEntityBlobAttributeForm> {
047
048    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
049    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
050    
051    static {
052        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
053                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
054                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), null)
055        ));
056
057        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
058                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
059                new FieldDefinition("Key", FieldType.KEY, false, null, null),
060                new FieldDefinition("Guid", FieldType.GUID, false, null, null),
061                new FieldDefinition("Ulid", FieldType.ULID, false, null, null),
062                new FieldDefinition("EntityAttributeName", FieldType.ENTITY_NAME, false, null, null),
063                new FieldDefinition("EntityAttributeUlid", FieldType.ULID, false, null, null),
064                new FieldDefinition("LanguageIsoName", FieldType.ENTITY_NAME, false, null, null),
065                new FieldDefinition("LanguageUlid", FieldType.ENTITY_NAME, false, null, null),
066                new FieldDefinition("MimeTypeName", FieldType.MIME_TYPE, true, null, null)
067                ));
068    }
069    
070    /** Creates a new instance of CreateEntityBlobAttributeCommand */
071    public CreateEntityBlobAttributeCommand(UserVisitPK userVisitPK, CreateEntityBlobAttributeForm form) {
072        super(userVisitPK, form, COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
073    }
074    
075    @Override
076    protected BaseResult execute() {
077        var parameterCount = EntityInstanceLogic.getInstance().countPossibleEntitySpecs(form);
078
079        if(parameterCount == 1) {
080            var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(this, form);
081
082            if(!hasExecutionErrors()) {
083                String entityAttributeName = form.getEntityAttributeName();
084                String entityAttributeUlid = form.getEntityAttributeUlid();
085                
086                parameterCount = (entityAttributeName == null ? 0 : 1) + (entityAttributeUlid == null ? 0 : 1);
087                
088                if(parameterCount == 1) {
089                    EntityAttribute entityAttribute = entityAttributeName == null ?
090                            EntityAttributeLogic.getInstance().getEntityAttributeByUlid(this, entityAttributeUlid) :
091                            EntityAttributeLogic.getInstance().getEntityAttributeByName(this, entityInstance.getEntityType(), entityAttributeName);
092
093                    if(!hasExecutionErrors()) {
094                        String entityAttributeTypeName = entityAttribute.getLastDetail().getEntityAttributeType().getEntityAttributeTypeName();
095
096                        if(EntityAttributeTypes.BLOB.name().equals(entityAttributeTypeName)) {
097                            if(entityInstance.getEntityType().equals(entityAttribute.getLastDetail().getEntityType())) {
098                                String languageIsoName = form.getLanguageIsoName();
099                                String languageUlid = form.getLanguageUlid();
100
101                                parameterCount = (languageIsoName == null ? 0 : 1) + (languageUlid == null ? 0 : 1);
102
103                                if(parameterCount == 1) {
104                                    Language language = languageIsoName == null ?
105                                            LanguageLogic.getInstance().getLanguageByUlid(this, languageUlid) :
106                                            LanguageLogic.getInstance().getLanguageByName(this, languageIsoName);
107
108                                    if(!hasExecutionErrors()) {
109                                        var coreControl = getCoreControl();
110                                        EntityBlobAttribute entityBlobAttribute = coreControl.getEntityBlobAttribute(entityAttribute, entityInstance, language);
111
112                                        if(entityBlobAttribute == null) {
113                                            MimeType mimeType = MimeTypeLogic.getInstance().getMimeTypeByName(this, form.getMimeTypeName());
114
115                                            if(!hasExecutionErrors()) {
116                                                if(mimeType.getLastDetail().getEntityAttributeType().getEntityAttributeTypeName().equals(EntityAttributeTypes.BLOB.name())) {
117                                                    ByteArray blobAttribute = form.getBlobAttribute();
118
119                                                    if(blobAttribute != null) {
120                                                        coreControl.createEntityBlobAttribute(entityAttribute, entityInstance, language, blobAttribute, mimeType, getPartyPK());
121                                                    } else {
122                                                        addExecutionError(ExecutionErrors.MissingBlobAttribute.name());
123                                                    }
124                                                } else {
125                                                    addExecutionError(ExecutionErrors.InvalidMimeType.name(), mimeType.getLastDetail().getMimeTypeName());
126                                                }
127                                            }
128                                        } else {
129                                            addExecutionError(ExecutionErrors.DuplicateEntityBlobAttribute.name(),
130                                                    EntityInstanceLogic.getInstance().getEntityRefFromEntityInstance(entityInstance),
131                                                    entityAttribute.getLastDetail().getEntityAttributeName(),
132                                                    language.getLanguageIsoName());
133                                        }
134                                    }
135                                }
136                            } else {
137                                EntityTypeDetail expectedEntityTypeDetail = entityAttribute.getLastDetail().getEntityType().getLastDetail();
138                                EntityTypeDetail suppliedEntityTypeDetail = entityInstance.getEntityType().getLastDetail();
139
140                                addExecutionError(ExecutionErrors.MismatchedEntityType.name(),
141                                        expectedEntityTypeDetail.getComponentVendor().getLastDetail().getComponentVendorName(),
142                                        expectedEntityTypeDetail.getEntityTypeName(),
143                                        suppliedEntityTypeDetail.getComponentVendor().getLastDetail().getComponentVendorName(),
144                                        suppliedEntityTypeDetail.getEntityTypeName());
145                            }
146                        } else {
147                            addExecutionError(ExecutionErrors.MismatchedEntityAttributeType.name(),
148                                    EntityAttributeTypes.BLOB.name(), entityAttributeTypeName);
149                        }
150                    }
151                } else {
152                    addExecutionError(ExecutionErrors.InvalidParameterCount.name());
153                }
154            }
155        } else {
156            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
157        }
158        
159        return null;
160    }
161    
162}