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.item.server.command;
018
019import com.echothree.control.user.item.common.form.DeleteItemCategoryForm;
020import com.echothree.model.control.core.common.ComponentVendors;
021import com.echothree.model.control.core.common.EntityTypes;
022import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
023import com.echothree.model.control.item.server.control.ItemControl;
024import com.echothree.model.control.item.server.logic.ItemCategoryLogic;
025import com.echothree.model.control.party.common.PartyTypes;
026import com.echothree.model.control.security.common.SecurityRoleGroups;
027import com.echothree.model.control.security.common.SecurityRoles;
028import com.echothree.model.data.item.server.entity.ItemCategory;
029import com.echothree.model.data.user.common.pk.UserVisitPK;
030import com.echothree.util.common.message.ExecutionErrors;
031import com.echothree.util.common.validation.FieldDefinition;
032import com.echothree.util.common.validation.FieldType;
033import com.echothree.util.common.command.BaseResult;
034import com.echothree.util.server.control.BaseSimpleCommand;
035import com.echothree.util.server.control.CommandSecurityDefinition;
036import com.echothree.util.server.control.PartyTypeDefinition;
037import com.echothree.util.server.control.SecurityRoleDefinition;
038import com.echothree.util.server.persistence.Session;
039import java.util.List;
040import javax.enterprise.context.Dependent;
041
042@Dependent
043public class DeleteItemCategoryCommand
044        extends BaseSimpleCommand<DeleteItemCategoryForm> {
045    
046    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
047    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
048    
049    static {
050        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
051                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
052                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
053                        new SecurityRoleDefinition(SecurityRoleGroups.ItemCategory.name(), SecurityRoles.Delete.name())
054                        ))
055                ));
056        
057        FORM_FIELD_DEFINITIONS = List.of(
058                new FieldDefinition("ItemCategoryName", FieldType.ENTITY_NAME, false, null, null),
059                new FieldDefinition("EntityRef", FieldType.ENTITY_REF, false, null, null),
060                new FieldDefinition("Uuid", FieldType.UUID, false, null, null)
061                );
062    }
063    
064    /** Creates a new instance of DeleteItemCategoryCommand */
065    public DeleteItemCategoryCommand() {
066        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
067    }
068    
069    @Override
070    protected BaseResult execute() {
071        var itemCategoryName = form.getItemCategoryName();
072        var parameterCount = (itemCategoryName == null ? 0 : 1) + EntityInstanceLogic.getInstance().countPossibleEntitySpecs(form);
073
074        if(parameterCount == 1) {
075            var itemControl = Session.getModelController(ItemControl.class);
076            ItemCategory itemCategory = null;
077            
078            if(itemCategoryName == null) {
079                var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(this, form, ComponentVendors.ECHO_THREE.name(),
080                        EntityTypes.ItemCategory.name());
081                
082                if(!hasExecutionErrors()) {
083                    itemCategory = itemControl.getItemCategoryByEntityInstanceForUpdate(entityInstance);
084                }
085            } else {
086                itemCategory = ItemCategoryLogic.getInstance().getItemCategoryByNameForUpdate(this, itemCategoryName);
087            }
088            
089            if(!hasExecutionErrors()) {
090                var itemCategoryLogic = ItemCategoryLogic.getInstance();
091
092                itemCategoryLogic.checkDeleteItemCategory(this, itemCategory);
093
094                if(!hasExecutionErrors()) {
095                    itemCategoryLogic.deleteItemCategory(itemCategory, getPartyPK());
096                }
097            }
098        } else {
099            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
100        }
101        
102        return null;
103    }
104    
105}