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.DeleteItemWeightForm;
020import com.echothree.model.control.item.server.control.ItemControl;
021import com.echothree.model.control.item.server.logic.ItemWeightTypeLogic;
022import com.echothree.model.control.party.common.PartyTypes;
023import com.echothree.model.control.security.common.SecurityRoleGroups;
024import com.echothree.model.control.security.common.SecurityRoles;
025import com.echothree.model.control.uom.server.control.UomControl;
026import com.echothree.util.common.command.BaseResult;
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.server.control.BaseSimpleCommand;
031import com.echothree.util.server.control.CommandSecurityDefinition;
032import com.echothree.util.server.control.PartyTypeDefinition;
033import com.echothree.util.server.control.SecurityRoleDefinition;
034import java.util.List;
035import javax.enterprise.context.Dependent;
036import javax.inject.Inject;
037
038@Dependent
039public class DeleteItemWeightCommand
040        extends BaseSimpleCommand<DeleteItemWeightForm> {
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(), List.of(
049                        new SecurityRoleDefinition(SecurityRoleGroups.ItemWeight.name(), SecurityRoles.Delete.name())
050                ))
051        ));
052
053        FORM_FIELD_DEFINITIONS = List.of(
054                new FieldDefinition("ItemName", FieldType.ENTITY_NAME, true, null, null),
055                new FieldDefinition("UnitOfMeasureTypeName", FieldType.ENTITY_NAME, true, null, null),
056                new FieldDefinition("ItemWeightTypeName", FieldType.ENTITY_NAME, true, null, null)
057        );
058    }
059
060    @Inject
061    ItemControl itemControl;
062
063    @Inject
064    UomControl uomControl;
065
066    @Inject
067    ItemWeightTypeLogic itemWeightTypeLogic;
068
069    
070    /** Creates a new instance of DeleteItemWeightCommand */
071    public DeleteItemWeightCommand() {
072        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
073    }
074    
075    @Override
076    protected BaseResult execute() {
077        var itemName = form.getItemName();
078        var item = itemControl.getItemByName(itemName);
079        
080        if(item != null) {
081            var unitOfMeasureTypeName = form.getUnitOfMeasureTypeName();
082            var unitOfMeasureType = uomControl.getUnitOfMeasureTypeByName(item.getLastDetail().getUnitOfMeasureKind(),
083                    unitOfMeasureTypeName);
084            
085            if(unitOfMeasureType != null) {
086                var itemWeightType = itemWeightTypeLogic.getItemWeightTypeByName(this, form.getItemWeightTypeName());
087
088                if(!hasExecutionErrors()) {
089                    var itemWeight = itemControl.getItemWeightForUpdate(item, unitOfMeasureType, itemWeightType);
090
091                    if(itemWeight != null) {
092                        itemControl.deleteItemWeight(itemWeight, getPartyPK());
093                    } else {
094                        addExecutionError(ExecutionErrors.UnknownItemWeight.name(), item.getLastDetail().getItemName(),
095                                unitOfMeasureType.getLastDetail().getUnitOfMeasureTypeName(),
096                                itemWeightType.getLastDetail().getItemWeightTypeName());
097                    }
098                }
099            } else {
100                addExecutionError(ExecutionErrors.UnknownUnitOfMeasureTypeName.name(), unitOfMeasureTypeName);
101            }
102        } else {
103            addExecutionError(ExecutionErrors.UnknownItemName.name(), itemName);
104        }
105        
106        return null;
107    }
108    
109}