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.training.server.command;
018
019import com.echothree.control.user.training.common.form.DeleteTrainingClassAnswerForm;
020import com.echothree.model.control.party.common.PartyTypes;
021import com.echothree.model.control.security.common.SecurityRoleGroups;
022import com.echothree.model.control.security.common.SecurityRoles;
023import com.echothree.model.control.training.server.control.TrainingControl;
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.control.CommandSecurityDefinition;
031import com.echothree.util.server.control.PartyTypeDefinition;
032import com.echothree.util.server.control.SecurityRoleDefinition;
033import com.echothree.util.server.persistence.Session;
034import java.util.List;
035import javax.enterprise.context.Dependent;
036
037@Dependent
038public class DeleteTrainingClassAnswerCommand
039        extends BaseSimpleCommand<DeleteTrainingClassAnswerForm> {
040    
041    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
042    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
043    
044    static {
045        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(List.of(
046                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
047                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), List.of(
048                        new SecurityRoleDefinition(SecurityRoleGroups.TrainingClassAnswer.name(), SecurityRoles.Delete.name())
049                        ))
050                ));
051
052        FORM_FIELD_DEFINITIONS = List.of(
053                new FieldDefinition("TrainingClassName", FieldType.ENTITY_NAME, true, null, null),
054                new FieldDefinition("TrainingClassSectionName", FieldType.ENTITY_NAME, true, null, null),
055                new FieldDefinition("TrainingClassQuestionName", FieldType.ENTITY_NAME, true, null, null),
056                new FieldDefinition("TrainingClassAnswerName", FieldType.ENTITY_NAME, true, null, null)
057                );
058    }
059    
060    /** Creates a new instance of DeleteTrainingClassAnswerCommand */
061    public DeleteTrainingClassAnswerCommand() {
062        super(COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, false);
063    }
064    
065    @Override
066    protected BaseResult execute() {
067        var trainingControl = Session.getModelController(TrainingControl.class);
068        var trainingClassName = form.getTrainingClassName();
069        var trainingClass = trainingControl.getTrainingClassByName(trainingClassName);
070
071        if(trainingClass != null) {
072            var trainingClassSectionName = form.getTrainingClassSectionName();
073            var trainingClassSection = trainingControl.getTrainingClassSectionByName(trainingClass, trainingClassSectionName);
074
075            if(trainingClassSection != null) {
076                var trainingClassQuestionName = form.getTrainingClassQuestionName();
077                var trainingClassQuestion = trainingControl.getTrainingClassQuestionByName(trainingClassSection, trainingClassQuestionName);
078
079                if(trainingClassQuestion != null) {
080                    var trainingClassAnswerName = form.getTrainingClassAnswerName();
081                    var trainingClassAnswer = trainingControl.getTrainingClassAnswerByNameForUpdate(trainingClassQuestion, trainingClassAnswerName);
082
083                    if(trainingClassAnswer != null) {
084                        trainingControl.deleteTrainingClassAnswer(trainingClassAnswer, getPartyPK());
085                    } else {
086                        addExecutionError(ExecutionErrors.UnknownTrainingClassAnswerName.name(), trainingClassName, trainingClassSectionName,
087                                trainingClassQuestionName, trainingClassAnswerName);
088                    }
089                } else {
090                    addExecutionError(ExecutionErrors.UnknownTrainingClassQuestionName.name(), trainingClassName, trainingClassSectionName,
091                            trainingClassQuestionName);
092                }
093            } else {
094                addExecutionError(ExecutionErrors.UnknownTrainingClassSectionName.name(), trainingClassName, trainingClassSectionName);
095            }
096        } else {
097            addExecutionError(ExecutionErrors.UnknownTrainingClassName.name(), trainingClassName);
098        }
099        
100        return null;
101    }
102    
103}