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.uom.server.factory.UnitOfMeasureKindUseFactory;
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.BasePaginatedMultipleEntitiesCommand;
033import java.util.Collection;
034import java.util.List;
035import javax.enterprise.context.Dependent;
036import javax.inject.Inject;
037
038@Dependent
039public class GetUnitOfMeasureKindUsesCommand
040        extends BasePaginatedMultipleEntitiesCommand<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    @Inject
052    UomControl uomControl;
053
054    @Inject
055    UnitOfMeasureKindLogic unitOfMeasureKindLogic;
056
057    @Inject
058    UnitOfMeasureKindUseLogic unitOfMeasureKindUseLogic;
059
060
061    /** Creates a new instance of GetUnitOfMeasureKindUsesCommand */
062    public GetUnitOfMeasureKindUsesCommand() {
063        super(null, FORM_FIELD_DEFINITIONS, true);
064    }
065
066    private UnitOfMeasureKind unitOfMeasureKind;
067    private UnitOfMeasureKindUseType unitOfMeasureKindUseType;
068    
069    @Override
070    protected void handleForm() {
071        var unitOfMeasureKindName = form.getUnitOfMeasureKindName();
072        var unitOfMeasureKindUseTypeName = form.getUnitOfMeasureKindUseTypeName();
073        var parameterCount = (unitOfMeasureKindName == null ? 0 : 1) + (unitOfMeasureKindUseTypeName == null ? 0 : 1);
074
075        if(parameterCount == 1) {
076            if(unitOfMeasureKindName != null) {
077                unitOfMeasureKind = unitOfMeasureKindLogic.getUnitOfMeasureKindByName(this, unitOfMeasureKindName);
078            } else {
079                unitOfMeasureKindUseType = unitOfMeasureKindUseLogic.getUnitOfMeasureKindUseTypeByName(this, unitOfMeasureKindUseTypeName);
080            }
081        } else {
082            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
083        }
084    }
085
086    @Override
087    protected Long getTotalEntities() {
088        Long totalEntities = null;
089
090        if(!hasExecutionErrors()) {
091            if(unitOfMeasureKind != null) {
092                totalEntities = uomControl.countUnitOfMeasureKindUsesByUnitOfMeasureKind(unitOfMeasureKind);
093            } else {
094                totalEntities = uomControl.countUnitOfMeasureKindUsesByUnitOfMeasureKindUseType(unitOfMeasureKindUseType);
095            }
096        }
097
098        return totalEntities;
099    }
100
101    @Override
102    protected Collection<UnitOfMeasureKindUse> getEntities() {
103        Collection<UnitOfMeasureKindUse> entities = null;
104        
105        if(!hasExecutionErrors()) {
106            if(unitOfMeasureKind != null) {
107                entities = uomControl.getUnitOfMeasureKindUsesByUnitOfMeasureKind(unitOfMeasureKind);
108            } else {
109                entities = uomControl.getUnitOfMeasureKindUsesByUnitOfMeasureKindUseType(unitOfMeasureKindUseType);
110            }
111        }
112        
113        return entities;
114    }
115    
116    @Override
117    protected BaseResult getResult(Collection<UnitOfMeasureKindUse> entities) {
118        var result = UomResultFactory.getGetUnitOfMeasureKindUsesResult();
119        
120        if(entities != null) {
121            var userVisit = getUserVisit();
122
123            if(unitOfMeasureKind != null) {
124                result.setUnitOfMeasureKind(uomControl.getUnitOfMeasureKindTransfer(userVisit, unitOfMeasureKind));
125            } else {
126                result.setUnitOfMeasureKindUseType(uomControl.getUnitOfMeasureKindUseTypeTransfer(userVisit, unitOfMeasureKindUseType));
127            }
128
129            if(session.hasLimit(UnitOfMeasureKindUseFactory.class)) {
130                result.setUnitOfMeasureKindUseCount(getTotalEntities());
131            }
132
133            result.setUnitOfMeasureKindUses(uomControl.getUnitOfMeasureKindUseTransfers(userVisit, entities));
134        }
135        
136        return result;
137    }
138    
139}