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