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.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.uom.server.control.UomControl;
022import com.echothree.model.data.item.server.entity.Item;
023import com.echothree.model.data.item.server.entity.ItemWeight;
024import com.echothree.model.data.uom.server.entity.UnitOfMeasureType;
025import com.echothree.model.data.user.common.pk.UserVisitPK;
026import com.echothree.util.common.message.ExecutionErrors;
027import com.echothree.util.common.validation.FieldDefinition;
028import com.echothree.util.common.validation.FieldType;
029import com.echothree.util.common.command.BaseResult;
030import com.echothree.util.server.control.BaseSimpleCommand;
031import com.echothree.util.server.persistence.Session;
032import java.util.Arrays;
033import java.util.Collections;
034import java.util.List;
035
036public class DeleteItemWeightCommand
037        extends BaseSimpleCommand<DeleteItemWeightForm> {
038    
039    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
040    
041    static {
042        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
043            new FieldDefinition("ItemName", FieldType.ENTITY_NAME, true, null, null),
044            new FieldDefinition("UnitOfMeasureTypeName", FieldType.ENTITY_NAME, true, null, null)
045        ));
046    }
047    
048    /** Creates a new instance of DeleteItemWeightCommand */
049    public DeleteItemWeightCommand(UserVisitPK userVisitPK, DeleteItemWeightForm form) {
050        super(userVisitPK, form, null, FORM_FIELD_DEFINITIONS, false);
051    }
052    
053    @Override
054    protected BaseResult execute() {
055        var itemControl = Session.getModelController(ItemControl.class);
056        String itemName = form.getItemName();
057        Item item = itemControl.getItemByName(itemName);
058        
059        if(item != null) {
060        var uomControl = Session.getModelController(UomControl.class);
061            String unitOfMeasureTypeName = form.getUnitOfMeasureTypeName();
062            UnitOfMeasureType unitOfMeasureType = uomControl.getUnitOfMeasureTypeByName(item.getLastDetail().getUnitOfMeasureKind(),
063                    unitOfMeasureTypeName);
064            
065            if(unitOfMeasureType != null) {
066                ItemWeight itemWeight = itemControl.getItemWeightForUpdate(item, unitOfMeasureType);
067                
068                if(itemWeight != null) {
069                    itemControl.deleteItemWeight(itemWeight, getPartyPK());
070                } else {
071                    addExecutionError(ExecutionErrors.UnknownItemWeight.name());
072                }
073            } else {
074                addExecutionError(ExecutionErrors.UnknownUnitOfMeasureTypeName.name(), unitOfMeasureTypeName);
075            }
076        } else {
077            addExecutionError(ExecutionErrors.UnknownItemName.name(), itemName);
078        }
079        
080        return null;
081    }
082    
083}