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.UnknownTrainingClassSectionNameException;
020import com.echothree.model.control.training.server.control.TrainingControl;
021import com.echothree.model.data.training.server.entity.TrainingClass;
022import com.echothree.model.data.training.server.entity.TrainingClassSection;
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 TrainingClassSectionLogic
033        extends BaseLogic {
034
035    @Inject
036    private TrainingControl trainingControl;
037
038    protected TrainingClassSectionLogic() {
039        super();
040    }
041
042    public static TrainingClassSectionLogic getInstance() {
043        return CDI.current().select(TrainingClassSectionLogic.class).get();
044    }
045
046    private TrainingClassSection getTrainingClassSectionByName(final ExecutionErrorAccumulator eea, final TrainingClass trainingClass,
047            final String trainingClassSectionName, EntityPermission entityPermission) {
048        var trainingClassSection = trainingControl.getTrainingClassSectionByName(trainingClass, trainingClassSectionName, entityPermission);
049
050        if(trainingClassSection == null) {
051            var trainingClassDetail = trainingClass.getLastDetail();
052
053            handleExecutionError(UnknownTrainingClassSectionNameException.class, eea, ExecutionErrors.UnknownTrainingClassSectionName.name(),
054                    trainingClassDetail.getTrainingClassName(), trainingClassSectionName);
055        }
056
057        return trainingClassSection;
058    }
059
060    public TrainingClassSection getTrainingClassSectionByName(final ExecutionErrorAccumulator eea, final TrainingClass trainingClass,
061            final String trainingClassSectionName) {
062        return getTrainingClassSectionByName(eea, trainingClass, trainingClassSectionName, EntityPermission.READ_ONLY);
063    }
064
065    public TrainingClassSection getTrainingClassSectionByNameForUpdate(final ExecutionErrorAccumulator eea, final TrainingClass trainingClass,
066            final String trainingClassSectionName) {
067        return getTrainingClassSectionByName(eea, trainingClass, trainingClassSectionName, EntityPermission.READ_WRITE);
068    }
069
070}