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.GetItemUnitLimitForm;
020import com.echothree.control.user.item.common.result.ItemResultFactory;
021import com.echothree.model.control.inventory.server.control.InventoryControl;
022import com.echothree.model.control.item.server.control.ItemControl;
023import com.echothree.model.control.uom.server.control.UomControl;
024import com.echothree.model.data.user.common.pk.UserVisitPK;
025import com.echothree.util.common.message.ExecutionErrors;
026import com.echothree.util.common.validation.FieldDefinition;
027import com.echothree.util.common.validation.FieldType;
028import com.echothree.util.common.command.BaseResult;
029import com.echothree.util.server.control.BaseSimpleCommand;
030import com.echothree.util.server.persistence.Session;
031import java.util.List;
032import javax.enterprise.context.Dependent;
033
034@Dependent
035public class GetItemUnitLimitCommand
036        extends BaseSimpleCommand<GetItemUnitLimitForm> {
037    
038    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
039    
040    static {
041        FORM_FIELD_DEFINITIONS = List.of(
042            new FieldDefinition("ItemName", FieldType.ENTITY_NAME, true, null, null),
043            new FieldDefinition("InventoryConditionName", FieldType.ENTITY_NAME, true, null, null),
044            new FieldDefinition("UnitOfMeasureTypeName", FieldType.PERCENT, true, null, null)
045        );
046    }
047    
048    /** Creates a new instance of GetItemUnitLimitCommand */
049    public GetItemUnitLimitCommand() {
050        super(null, FORM_FIELD_DEFINITIONS, false);
051    }
052    
053    @Override
054    protected BaseResult execute() {
055        var itemControl = Session.getModelController(ItemControl.class);
056        var result = ItemResultFactory.getGetItemUnitLimitResult();
057        var itemName = form.getItemName();
058        var item = itemControl.getItemByName(itemName);
059        
060        if(item != null) {
061            var inventoryControl = Session.getModelController(InventoryControl.class);
062            var inventoryConditionName = form.getInventoryConditionName();
063            var inventoryCondition = inventoryControl.getInventoryConditionByName(inventoryConditionName);
064            
065            if(inventoryCondition != null) {
066                var uomControl = Session.getModelController(UomControl.class);
067                var unitOfMeasureTypeName = form.getUnitOfMeasureTypeName();
068                var unitOfMeasureKind = item.getLastDetail().getUnitOfMeasureKind();
069                var unitOfMeasureType = uomControl.getUnitOfMeasureTypeByName(unitOfMeasureKind, unitOfMeasureTypeName);
070                
071                if(unitOfMeasureType != null) {
072                    var itemUnitLimit = itemControl.getItemUnitLimit(item, inventoryCondition, unitOfMeasureType);
073                    
074                    if(itemUnitLimit != null) {
075                        result.setItemUnitLimit(itemControl.getItemUnitLimitTransfer(getUserVisit(), itemUnitLimit));
076                    } else {
077                        addExecutionError(ExecutionErrors.UnknownItemUnitLimit.name(), itemName, inventoryConditionName, unitOfMeasureTypeName);
078                    }
079                } else {
080                    addExecutionError(ExecutionErrors.UnknownUnitOfMeasureTypeName.name(), unitOfMeasureKind.getLastDetail().getUnitOfMeasureKindName(), unitOfMeasureTypeName);
081                }
082            } else {
083                addExecutionError(ExecutionErrors.UnknownInventoryConditionName.name(), inventoryConditionName);
084            }
085        } else {
086            addExecutionError(ExecutionErrors.UnknownItemName.name(), itemName);
087        }
088        
089        return result;
090    }
091    
092}