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.uom.server.command;
018
019import com.echothree.control.user.uom.common.form.GetUnitOfMeasureKindUsesForm;
020import com.echothree.control.user.uom.common.result.UomResultFactory;
021import com.echothree.model.control.uom.server.control.UomControl;
022import com.echothree.model.control.uom.server.logic.UnitOfMeasureKindLogic;
023import com.echothree.model.control.uom.server.logic.UnitOfMeasureKindUseLogic;
024import com.echothree.model.data.uom.server.entity.UnitOfMeasureKind;
025import com.echothree.model.data.uom.server.entity.UnitOfMeasureKindUse;
026import com.echothree.model.data.uom.server.entity.UnitOfMeasureKindUseType;
027import com.echothree.model.data.user.common.pk.UserVisitPK;
028import com.echothree.util.common.message.ExecutionErrors;
029import com.echothree.util.common.validation.FieldDefinition;
030import com.echothree.util.common.validation.FieldType;
031import com.echothree.util.common.command.BaseResult;
032import com.echothree.util.server.control.BaseMultipleEntitiesCommand;
033import com.echothree.util.server.persistence.Session;
034import java.util.Collection;
035import java.util.List;
036import javax.enterprise.context.Dependent;
037
038@Dependent
039public class GetUnitOfMeasureKindUsesCommand
040        extends BaseMultipleEntitiesCommand<UnitOfMeasureKindUse, GetUnitOfMeasureKindUsesForm> {
041    
042    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
043    
044    static {
045        FORM_FIELD_DEFINITIONS = List.of(
046            new FieldDefinition("UnitOfMeasureKindName", FieldType.ENTITY_NAME, false, null, null),
047            new FieldDefinition("UnitOfMeasureKindUseTypeName", FieldType.ENTITY_NAME, false, null, null)
048        );
049    }
050    
051    /** Creates a new instance of GetUnitOfMeasureKindUsesCommand */
052    public GetUnitOfMeasureKindUsesCommand() {
053        super(null, FORM_FIELD_DEFINITIONS, true);
054    }
055    
056    UnitOfMeasureKind unitOfMeasureKind;
057    UnitOfMeasureKindUseType unitOfMeasureKindUseType;
058    
059    @Override
060    protected Collection<UnitOfMeasureKindUse> getEntities() {
061        Collection<UnitOfMeasureKindUse> entities = null;
062        var unitOfMeasureKindName = form.getUnitOfMeasureKindName();
063        var unitOfMeasureKindUseTypeName = form.getUnitOfMeasureKindUseTypeName();
064        var parameterCount = (unitOfMeasureKindName == null ? 0 : 1) + (unitOfMeasureKindUseTypeName == null ? 0 : 1);
065        
066        if(parameterCount == 1) {
067            if(unitOfMeasureKindName != null) {
068                unitOfMeasureKind = UnitOfMeasureKindLogic.getInstance().getUnitOfMeasureKindByName(this, unitOfMeasureKindName);
069                
070                if(!hasExecutionErrors()) {
071                    var uomControl = Session.getModelController(UomControl.class);
072
073                    entities = uomControl.getUnitOfMeasureKindUsesByUnitOfMeasureKind(unitOfMeasureKind);
074                }
075            } else {
076                unitOfMeasureKindUseType = UnitOfMeasureKindUseLogic.getInstance().getUnitOfMeasureKindUseTypeByName(this, unitOfMeasureKindUseTypeName);
077                
078                if(!hasExecutionErrors()) {
079                    var uomControl = Session.getModelController(UomControl.class);
080
081                    entities = uomControl.getUnitOfMeasureKindUsesByUnitOfMeasureKindUseType(unitOfMeasureKindUseType);
082                }
083            }
084        } else {
085            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
086        }
087        
088        return entities;
089    }
090    
091    @Override
092    protected BaseResult getResult(Collection<UnitOfMeasureKindUse> entities) {
093        var result = UomResultFactory.getGetUnitOfMeasureKindUsesResult();
094        
095        if(entities != null) {
096            var uomControl = Session.getModelController(UomControl.class);
097
098            if(unitOfMeasureKind != null) {
099                result.setUnitOfMeasureKind(uomControl.getUnitOfMeasureKindTransfer(getUserVisit(), unitOfMeasureKind));
100            } else {
101                result.setUnitOfMeasureKindUseType(uomControl.getUnitOfMeasureKindUseTypeTransfer(getUserVisit(), unitOfMeasureKindUseType));
102            }
103
104            result.setUnitOfMeasureKindUses(uomControl.getUnitOfMeasureKindUseTransfers(getUserVisit(), entities));
105        }
106        
107        return result;
108    }
109        
110}