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.GetItemWeightForm;
020import com.echothree.control.user.item.common.result.GetItemWeightResult;
021import com.echothree.control.user.item.common.result.ItemResultFactory;
022import com.echothree.model.control.item.server.control.ItemControl;
023import com.echothree.model.control.uom.server.control.UomControl;
024import com.echothree.model.data.item.server.entity.Item;
025import com.echothree.model.data.item.server.entity.ItemWeight;
026import com.echothree.model.data.uom.server.entity.UnitOfMeasureKind;
027import com.echothree.model.data.uom.server.entity.UnitOfMeasureType;
028import com.echothree.model.data.user.common.pk.UserVisitPK;
029import com.echothree.util.common.message.ExecutionErrors;
030import com.echothree.util.common.validation.FieldDefinition;
031import com.echothree.util.common.validation.FieldType;
032import com.echothree.util.common.command.BaseResult;
033import com.echothree.util.server.control.BaseSimpleCommand;
034import com.echothree.util.server.persistence.Session;
035import java.util.Arrays;
036import java.util.Collections;
037import java.util.List;
038
039public class GetItemWeightCommand
040        extends BaseSimpleCommand<GetItemWeightForm> {
041    
042    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
043    
044    static {
045        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
046            new FieldDefinition("ItemName", FieldType.ENTITY_NAME, true, null, null),
047            new FieldDefinition("UnitOfMeasureTypeName", FieldType.ENTITY_NAME, true, null, null)
048        ));
049    }
050    
051    /** Creates a new instance of GetItemWeightCommand */
052    public GetItemWeightCommand(UserVisitPK userVisitPK, GetItemWeightForm form) {
053        super(userVisitPK, form, null, FORM_FIELD_DEFINITIONS, false);
054    }
055    
056    @Override
057    protected BaseResult execute() {
058        var itemControl = Session.getModelController(ItemControl.class);
059        GetItemWeightResult result = ItemResultFactory.getGetItemWeightResult();
060        String itemName = form.getItemName();
061        Item item = itemControl.getItemByName(itemName);
062        
063        if(item != null) {
064        var uomControl = Session.getModelController(UomControl.class);
065            String unitOfMeasureTypeName = form.getUnitOfMeasureTypeName();
066            UnitOfMeasureKind unitOfMeasureKind = item.getLastDetail().getUnitOfMeasureKind();
067            UnitOfMeasureType unitOfMeasureType = uomControl.getUnitOfMeasureTypeByName(unitOfMeasureKind, unitOfMeasureTypeName);
068            
069            if(unitOfMeasureType != null) {
070                ItemWeight itemWeight = itemControl.getItemWeight(item, unitOfMeasureType);
071                
072                if(itemWeight != null) {
073                    result.setItemWeight(itemControl.getItemWeightTransfer(getUserVisit(), itemWeight));
074                } else {
075                    addExecutionError(ExecutionErrors.UnknownItemWeight.name(), itemName, unitOfMeasureTypeName);
076                }
077            } else {
078                addExecutionError(ExecutionErrors.UnknownUnitOfMeasureTypeName.name(), unitOfMeasureKind.getLastDetail().getUnitOfMeasureKindName(), unitOfMeasureTypeName);
079            }
080        } else {
081            addExecutionError(ExecutionErrors.UnknownItemName.name(), itemName);
082        }
083        
084        return result;
085    }
086    
087}