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 java.util.List;
039import javax.enterprise.context.Dependent;
040import javax.inject.Inject;
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    @Inject
065    ItemControl itemControl;
066
067    @Inject
068    EntityInstanceLogic entityInstanceLogic;
069
070    @Inject
071    ItemCategoryLogic itemCategoryLogic;
072
073    
074    /** Creates a new instance of DeleteItemCategoryCommand */
075    public DeleteItemCategoryCommand() {
076        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
077    }
078    
079    @Override
080    protected BaseResult execute() {
081        var itemCategoryName = form.getItemCategoryName();
082        var parameterCount = (itemCategoryName == null ? 0 : 1) + entityInstanceLogic.countPossibleEntitySpecs(form);
083
084        if(parameterCount == 1) {
085            ItemCategory itemCategory = null;
086            
087            if(itemCategoryName == null) {
088                var entityInstance = entityInstanceLogic.getEntityInstance(this, form, ComponentVendors.ECHO_THREE.name(),
089                        EntityTypes.ItemCategory.name());
090                
091                if(!hasExecutionErrors()) {
092                    itemCategory = itemControl.getItemCategoryByEntityInstanceForUpdate(entityInstance);
093                }
094            } else {
095                itemCategory = itemCategoryLogic.getItemCategoryByNameForUpdate(this, itemCategoryName);
096            }
097            
098            if(!hasExecutionErrors()) {
099                itemCategoryLogic.checkDeleteItemCategory(this, itemCategory);
100
101                if(!hasExecutionErrors()) {
102                    itemCategoryLogic.deleteItemCategory(itemCategory, getPartyPK());
103                }
104            }
105        } else {
106            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
107        }
108        
109        return null;
110    }
111    
112}