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.workrequirement.server.command;
018
019import com.echothree.control.user.workrequirement.common.form.GetWorkRequirementScopesForm;
020import com.echothree.control.user.workrequirement.common.result.WorkRequirementResultFactory;
021import com.echothree.model.control.workeffort.server.control.WorkEffortControl;
022import com.echothree.model.control.workrequirement.server.control.WorkRequirementControl;
023import com.echothree.model.data.user.common.pk.UserVisitPK;
024import com.echothree.util.common.message.ExecutionErrors;
025import com.echothree.util.common.validation.FieldDefinition;
026import com.echothree.util.common.validation.FieldType;
027import com.echothree.util.common.command.BaseResult;
028import com.echothree.util.server.control.BaseSimpleCommand;
029import com.echothree.util.server.persistence.Session;
030import java.util.List;
031import javax.enterprise.context.Dependent;
032
033@Dependent
034public class GetWorkRequirementScopesCommand
035        extends BaseSimpleCommand<GetWorkRequirementScopesForm> {
036    
037    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
038    
039    static {
040        FORM_FIELD_DEFINITIONS = List.of(
041            new FieldDefinition("WorkEffortTypeName", FieldType.ENTITY_NAME, true, null, null),
042            new FieldDefinition("WorkRequirementTypeName", FieldType.ENTITY_NAME, false, null, null),
043            new FieldDefinition("WorkEffortScopeName", FieldType.ENTITY_NAME, false, null, null)
044        );
045    }
046    
047    /** Creates a new instance of GetWorkRequirementScopesCommand */
048    public GetWorkRequirementScopesCommand() {
049        super(null, FORM_FIELD_DEFINITIONS, true);
050    }
051    
052    @Override
053    protected BaseResult execute() {
054        var workEffortControl = Session.getModelController(WorkEffortControl.class);
055        var result = WorkRequirementResultFactory.getGetWorkRequirementScopesResult();
056        var workEffortTypeName = form.getWorkEffortTypeName();
057        var workEffortType = workEffortControl.getWorkEffortTypeByName(workEffortTypeName);
058        
059        if(workEffortType != null) {
060            var userVisit = getUserVisit();
061            var workEffortScopeName = form.getWorkEffortScopeName();
062            var workRequirementTypeName = form.getWorkRequirementTypeName();
063            var parameterCount = (workEffortScopeName == null ? 0 : 1) + (workRequirementTypeName == null ? 0 : 1);
064            
065            result.setWorkEffortType(workEffortControl.getWorkEffortTypeTransfer(userVisit, workEffortType));
066            
067            if(parameterCount == 1) {
068                var workRequirementControl = Session.getModelController(WorkRequirementControl.class);
069                
070                if(workEffortScopeName != null) {
071                    var workEffortScope = workEffortControl.getWorkEffortScopeByName(workEffortType, workEffortScopeName);
072                    
073                    if(workEffortScope != null) {
074                        result.setWorkEffortScope(workEffortControl.getWorkEffortScopeTransfer(userVisit, workEffortScope));
075                        result.setWorkRequirementScopes(workRequirementControl.getWorkRequirementScopeTransfersByWorkEffortScope(userVisit, workEffortScope));
076                    } else {
077                        addExecutionError(ExecutionErrors.UnknownWorkEffortScopeName.name(), workEffortScopeName);
078                    }
079                } else if(workRequirementTypeName != null) {
080                    var workRequirementType = workRequirementControl.getWorkRequirementTypeByName(workEffortType, workRequirementTypeName);
081                    
082                    if(workRequirementType != null) {
083                        result.setWorkRequirementType(workRequirementControl.getWorkRequirementTypeTransfer(userVisit, workRequirementType));
084                        result.setWorkRequirementScopes(workRequirementControl.getWorkRequirementScopeTransfersByWorkRequirementType(userVisit, workRequirementType));
085                    } else {
086                        addExecutionError(ExecutionErrors.UnknownWorkRequirementTypeName.name(), workRequirementTypeName);
087                    }
088                }
089            } else {
090                addExecutionError(ExecutionErrors.InvalidParameterCount.name());
091            }
092        } else {
093            addExecutionError(ExecutionErrors.UnknownWorkEffortTypeName.name(), workEffortTypeName);
094        }
095        
096        return result;
097    }
098    
099}