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.model.control.training.server.logic;
018
019import com.echothree.model.control.training.common.exception.UnknownTrainingClassAnswerNameException;
020import com.echothree.model.control.training.server.control.TrainingControl;
021import com.echothree.model.data.training.server.entity.TrainingClassAnswer;
022import com.echothree.model.data.training.server.entity.TrainingClassQuestion;
023import com.echothree.util.common.message.ExecutionErrors;
024import com.echothree.util.server.control.BaseLogic;
025import com.echothree.util.server.message.ExecutionErrorAccumulator;
026import com.echothree.util.server.persistence.EntityPermission;
027import javax.enterprise.context.ApplicationScoped;
028import javax.enterprise.inject.spi.CDI;
029import javax.inject.Inject;
030
031@ApplicationScoped
032public class TrainingClassAnswerLogic
033        extends BaseLogic {
034
035    @Inject
036    private TrainingControl trainingControl;
037
038    protected TrainingClassAnswerLogic() {
039        super();
040    }
041
042    public static TrainingClassAnswerLogic getInstance() {
043        return CDI.current().select(TrainingClassAnswerLogic.class).get();
044    }
045
046    private TrainingClassAnswer getTrainingClassAnswerByName(final ExecutionErrorAccumulator eea, final TrainingClassQuestion trainingClassQuestion,
047            final String trainingClassAnswerName, EntityPermission entityPermission) {
048        var trainingClassAnswer = trainingControl.getTrainingClassAnswerByName(trainingClassQuestion, trainingClassAnswerName, entityPermission);
049
050        if(trainingClassAnswer == null) {
051            var trainingClassQuestionDetail = trainingClassQuestion.getLastDetail();
052            var trainingClassSectionDetail = trainingClassQuestionDetail.getTrainingClassSection().getLastDetail();
053            var trainingClassDetail = trainingClassSectionDetail.getTrainingClass().getLastDetail();
054
055            handleExecutionError(UnknownTrainingClassAnswerNameException.class, eea, ExecutionErrors.UnknownTrainingClassAnswerName.name(),
056                    trainingClassDetail.getTrainingClassName(), trainingClassSectionDetail.getTrainingClassSectionName(),
057                    trainingClassQuestionDetail.getTrainingClassQuestionName(), trainingClassAnswerName);
058        }
059
060        return trainingClassAnswer;
061    }
062
063    public TrainingClassAnswer getTrainingClassAnswerByName(final ExecutionErrorAccumulator eea, final TrainingClassQuestion trainingClassQuestion,
064            final String trainingClassAnswerName) {
065        return getTrainingClassAnswerByName(eea, trainingClassQuestion, trainingClassAnswerName, EntityPermission.READ_ONLY);
066    }
067
068    public TrainingClassAnswer getTrainingClassAnswerByNameForUpdate(final ExecutionErrorAccumulator eea, final TrainingClassQuestion trainingClassQuestion,
069            final String trainingClassAnswerName) {
070        return getTrainingClassAnswerByName(eea, trainingClassQuestion, trainingClassAnswerName, EntityPermission.READ_WRITE);
071    }
072
073}